/* =====================================================================
   Инкубатор 2.0 — стили сайта
   Концепция: графит + сигнальный оранжевый (цвет акцентов изделия),
   технические моно-подписи, чередование тёмных и светлых секций.
   Mobile-first; брейкпоинты: 560 / 640 / 700 / 900 / 1000 / 1100 / 1180.
   ===================================================================== */

/* ---------- Токены ---------- */
:root {
    --c-ink: #0e0f11;
    --c-ink-2: #141619;
    --c-ink-3: #1b1e22;
    --c-ink-4: #262a2f;
    --c-text-d: #f1f1ee;
    --c-muted-d: #a0a6ad;

    --c-paper: #ecebe7;
    --c-paper-2: #e4e3de;
    --c-white: #f8f8f6;
    --c-card: #ffffff;
    --c-text: #16181b;
    --c-muted: #5b6168;
    --c-line: rgba(20, 22, 26, .11);

    --c-accent: #ff6b1a;
    --c-accent-2: #ff8440;
    --c-accent-ink: #c2410c;
    --c-accent-soft: rgba(255, 107, 26, .12);
    --c-cyan: #6cc6ff;
    --c-led: #3de0a0;
    --c-error: #c4320a;

    --radius-s: 12px;
    --radius: 20px;
    --radius-l: 28px;
    --shadow: 0 24px 60px -28px rgba(10, 12, 14, .45);

    --container: 1280px;
    --gutter: 16px;
    --header-h: 64px;
    --topbar-h: 0px;

    --font-display: 'Unbounded', 'Arial Black', 'Helvetica Neue', system-ui, sans-serif;
    --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

    --ease: cubic-bezier(.2, .7, .2, 1);
}

@media (min-width: 700px) {
    :root { --gutter: 28px; }
}

@media (min-width: 900px) {
    :root { --header-h: 72px; --topbar-h: 38px; }
}

/* ---------- База ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
    margin: 0;
    font: 400 16px/1.6 var(--font-body);
    color: var(--c-text);
    background: var(--c-ink);
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
img[style*="--img-bg"] { background: var(--img-bg); }
picture { display: block; }

a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }

h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }

:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(100% - 2 * var(--gutter), var(--container));
    margin-inline: auto;
}

/* Одноколоночные сетки на мобильных: колонка не шире контейнера, даже если внутри
   есть широкое содержимое (ленты вкладок, поля ввода). Многоколоночные варианты
   задаются ниже в медиазапросах и переопределяют это правило. */
.hero__inner, .about__grid, .roles, .bands__grid, .viewer, .viewer__panel, .design__bottom,
.adv-grid, .arch__benefits, .specs__layout, .kit__layout, .kit__groups, .options__head,
.options__grid, .cables__extra, .power__layout, .power__main, .batteries, .sources, .apps__grid,
.compat__layout, .platforms, .reviews-grid, .info-links, .faq__layout, .request__layout,
.contacts__layout, .footer__grid, .form__grid, .doc-layout, .page-cta, .related, .reviews-list,
.topics, .params, .reviews-summary, .warranty__inner, .section-head--split {
    grid-template-columns: minmax(0, 1fr);
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    margin: -1px; padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    left: 16px; top: -60px;
    z-index: 100;
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--c-accent);
    color: #111;
    font-weight: 700;
    text-decoration: none;
    transition: top .2s;
}
.skip-link:focus { top: 12px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon { width: 1.25em; height: 1.25em; flex: none; }
.icon--sm { width: 1em; height: 1em; }
.icon--accent { color: var(--c-accent); }

mark {
    background: rgba(255, 107, 26, .28);
    color: inherit;
    border-radius: 3px;
    padding: 0 2px;
}

/* ---------- Типографика ---------- */
.section-title {
    margin: 0;
    font: 600 clamp(1.75rem, 1.15rem + 2.5vw, 3.1rem)/1.08 var(--font-display);
    letter-spacing: -.02em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .7em;
    margin: 0 0 18px;
    font: 500 .75rem/1 var(--font-mono);
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-accent-ink);
}
.eyebrow::after {
    content: '';
    width: 36px; height: 1px;
    background: currentColor;
    opacity: .5;
}
.eyebrow__num {
    padding: 4px 7px;
    border-radius: 6px;
    background: var(--c-accent-soft);
}
.eyebrow--light { color: var(--c-accent); }

.section-lead {
    margin: 0;
    font-size: 1.0625rem;
    color: var(--c-muted);
    max-width: 48ch;
}

.lead {
    margin: 0 0 20px;
    font-size: clamp(1.125rem, 1rem + .5vw, 1.375rem);
    line-height: 1.5;
    font-weight: 600;
    color: var(--c-text);
}

/* ---------- Секции ---------- */
.section { padding-block: clamp(64px, 8vw, 120px); }
.section--dark { background: var(--c-ink-2); color: var(--c-text-d); }
.section--dark .section-lead { color: var(--c-muted-d); }
.section--light { background: var(--c-paper); }
.section--paper { background: var(--c-paper-2); }
.section--white { background: var(--c-white); }

.section-head { margin-bottom: clamp(32px, 4vw, 56px); }
.section-head--split { display: grid; gap: 16px 48px; align-items: end; }
@media (min-width: 900px) {
    .section-head--split { grid-template-columns: 1.15fr .85fr; }
}

/* ---------- Кнопки и ссылки ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .65em;
    min-height: 48px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font: 700 .9375rem/1.2 var(--font-body);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: background-color .25s, color .25s, border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.btn:active { transform: translateY(1px); }
.btn .icon { width: 18px; height: 18px; }

.btn__arrow {
    display: grid;
    place-items: center;
    width: 30px; height: 30px;
    margin-right: -12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .14);
    transition: transform .3s var(--ease);
}
.btn__arrow svg { width: 16px; height: 16px; }
.btn:hover .btn__arrow { transform: rotate(45deg); }

.btn--primary { background: var(--c-accent); color: #111; }
.btn--primary:hover { background: var(--c-accent-2); box-shadow: 0 10px 30px -10px rgba(255, 107, 26, .7); }

.btn--lg { min-height: 58px; padding: 0 30px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--outline { border-color: rgba(255, 255, 255, .3); color: #fff; background: transparent; }
.btn--outline:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }

.btn--outline-dark { border-color: rgba(17, 17, 17, .3); color: #111; background: transparent; }
.btn--outline-dark:hover { background: #111; color: #fff; border-color: #111; }

.btn--dark { background: #15171a; color: #fff; }
.btn--dark .btn__arrow { background: var(--c-accent); color: #111; }
.btn--dark:hover { background: #000; }

.btn--ghost {
    background: transparent;
    color: var(--c-muted);
    text-decoration: underline;
    text-underline-offset: 4px;
    min-height: auto;
    padding: 8px;
}

.btn--pill {
    padding: 0 6px 0 20px;
    min-height: 46px;
    background: #fff;
    color: #111;
    font-size: .875rem;
}
.btn__circle {
    display: grid;
    place-items: center;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--c-accent);
    transition: transform .3s var(--ease);
}
.btn__circle svg { width: 16px; height: 16px; }
.btn--pill:hover .btn__circle { transform: rotate(45deg); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: .45em;
    font-weight: 700;
    color: var(--c-accent-ink);
    text-decoration: none;
    transition: gap .25s var(--ease);
}
.link-arrow:hover { gap: .75em; }
.link-arrow--light,
.section--dark .link-arrow,
.options .link-arrow,
.contacts .link-arrow,
.footer .link-arrow { color: var(--c-accent); }

.chip { position: relative; display: inline-flex; cursor: pointer; }
.chip input { position: absolute; inset: 0; margin: 0; opacity: 0; cursor: pointer; }
.chip span {
    display: inline-block;
    padding: 9px 15px;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    font: 600 .8125rem/1.2 var(--font-body);
    transition: background-color .2s, color .2s, border-color .2s;
}
.chip input:checked + span { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.chip:hover span { border-color: rgba(20, 22, 26, .35); }

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--c-accent-soft);
    color: var(--c-accent-ink);
    font: 600 .65rem/1.3 var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
}

/* ---------- Шапка ---------- */
.header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 60;
    color: #fff;
    transition: transform .35s var(--ease), background-color .35s, box-shadow .35s;
}
.header.is-scrolled {
    transform: translateY(calc(-1 * var(--topbar-h)));
    background: rgba(14, 15, 17, .86);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    backdrop-filter: blur(16px) saturate(140%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, .07);
}
.menu-open .header { background: var(--c-ink); transform: none; }

.header__top {
    display: none;
    height: var(--topbar-h);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    font-size: .8125rem;
    color: rgba(255, 255, 255, .72);
}
@media (min-width: 900px) { .header__top { display: block; } }

.header__top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 100%;
}
.header__contacts { display: flex; gap: 26px; min-width: 0; }
.header__contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
    transition: color .2s;
}
.header__contact .icon { width: 16px; height: 16px; }
.header__contact:hover { color: #fff; }
.header__pages { display: flex; gap: 22px; }
.header__pages a { text-decoration: none; transition: color .2s; white-space: nowrap; }
.header__pages a:hover { color: #fff; }
.header__pages a[aria-current="page"] { color: var(--c-accent); }

.header__main-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: var(--header-h);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
    color: inherit;
    text-decoration: none;
}
.logo__mark {
    display: grid;
    place-items: center;
    width: 38px; height: 38px;
    border-radius: 11px;
    background: var(--c-accent);
    color: #111;
}
.logo__icon { width: 26px; height: 26px; }
.logo__text {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    font: 700 1rem/1 var(--font-display);
    letter-spacing: .05em;
    text-transform: uppercase;
}
.logo__ver {
    padding: 2px 4px;
    border: 1px solid currentColor;
    border-radius: 5px;
    color: var(--c-accent);
    font-size: .6em;
    letter-spacing: 0;
}

.nav { display: none; }
@media (min-width: 1180px) { .nav { display: block; } }
.nav__list {
    display: flex;
    gap: 2px;
    margin: 0;
    padding: 4px;
    list-style: none;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.nav__link {
    display: block;
    padding: 9px 14px;
    border-radius: 999px;
    font-size: .875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    white-space: nowrap;
    transition: background-color .25s, color .25s;
}
.nav__link:hover { color: #fff; }
.nav__link.is-active { background: var(--c-accent); color: #111; }

.header__cta { display: none; }
@media (min-width: 720px) { .header__cta { display: inline-flex; } }

.burger {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
    cursor: pointer;
}
@media (min-width: 1180px) { .burger { display: none; } }
.burger__lines,
.burger__lines::before,
.burger__lines::after {
    display: block;
    width: 20px; height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform .3s var(--ease), opacity .2s;
}
.burger__lines { position: relative; }
.burger__lines::before, .burger__lines::after { content: ''; position: absolute; left: 0; }
.burger__lines::before { top: -6px; }
.burger__lines::after { top: 6px; }
.burger[aria-expanded="true"] .burger__lines { background: transparent; }
.burger[aria-expanded="true"] .burger__lines::before { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__lines::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Мобильное меню ---------- */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 55;
    overflow-y: auto;
    padding: calc(var(--header-h) + 12px) 0 32px;
    background: var(--c-ink);
    color: #fff;
    opacity: 0;
    transition: opacity .3s;
}
.mobile-menu.is-open { opacity: 1; }
.mobile-menu[hidden] { display: none; }
.mobile-menu__inner {
    width: min(100% - 2 * var(--gutter), 640px);
    margin-inline: auto;
    display: grid;
    gap: 28px;
}
.mobile-menu__label {
    margin: 0 0 6px;
    font: 500 .7rem/1 var(--font-mono);
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-accent);
}
.mobile-menu__list { margin: 0 0 22px; padding: 0; list-style: none; }
.mobile-menu__list a {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    font: 600 1.125rem/1.3 var(--font-display);
    text-decoration: none;
}
.mobile-menu__list--pages a { font: 700 1.0625rem/1.3 var(--font-body); }
.mobile-menu__list a[aria-current="page"] { color: var(--c-accent); }
.mobile-menu__contacts {
    display: grid;
    gap: 12px;
    padding: 18px;
    border-radius: var(--radius);
    background: var(--c-ink-3);
}
.mobile-menu__contact {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: .9375rem;
    text-decoration: none;
    color: rgba(255, 255, 255, .85);
}
.mobile-menu__contact .icon { margin-top: 2px; }

/* ---------- Первый экран ---------- */
.hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: calc(var(--header-h) + 36px) 0 40px;
    background:
        radial-gradient(ellipse 60% 55% at 78% 42%, rgba(255, 107, 26, .16), transparent 70%),
        radial-gradient(ellipse 50% 60% at 0% 100%, rgba(108, 198, 255, .06), transparent 70%),
        var(--c-ink);
    color: #fff;
}
@media (min-width: 900px) {
    .hero { padding-top: calc(var(--topbar-h) + var(--header-h) + 48px); }
}

.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 70% 65% at 65% 40%, #000 20%, transparent 80%);
    mask-image: radial-gradient(ellipse 70% 65% at 65% 40%, #000 20%, transparent 80%);
}
.hero__word {
    position: absolute;
    left: 50%;
    top: calc(var(--topbar-h) + var(--header-h) - .08em);
    transform: translateX(-50%);
    font: 700 clamp(4.5rem, 16vw, 15rem)/1 var(--font-display);
    letter-spacing: -.03em;
    text-transform: uppercase;
    white-space: nowrap;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, .07);
    user-select: none;
}

.hero__inner { display: grid; gap: 28px; align-items: center; }
@media (min-width: 1100px) {
    .hero__inner { grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 40px; }
}

.hero__title {
    margin: 0 0 18px;
    font: 700 clamp(2.6rem, 1.3rem + 4.8vw, 4.9rem)/.98 var(--font-display);
    letter-spacing: -.035em;
    text-transform: uppercase;
}
.hero__ver { display: block; color: var(--c-accent); }

.hero__lead {
    margin: 0 0 14px;
    max-width: 32ch;
    font: 700 clamp(1.125rem, 1rem + .6vw, 1.45rem)/1.35 var(--font-body);
}
.hero__text { margin: 0; max-width: 54ch; color: rgba(255, 255, 255, .7); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
@media (max-width: 559px) {
    .hero__actions .btn { width: 100%; }
}

.hero__visual { position: relative; }
.hero__device { position: relative; z-index: 2; }
.hero__img {
    width: 100%;
    background: transparent !important;
    -webkit-mask-image: radial-gradient(ellipse 66% 66% at 52% 56%, #000 52%, transparent 100%);
    mask-image: radial-gradient(ellipse 66% 66% at 52% 56%, #000 52%, transparent 100%);
}

.hero__beam {
    position: absolute;
    z-index: 1;
    left: 42%; right: -12%;
    top: -4%; height: 84%;
    clip-path: polygon(0 54%, 100% 0, 100% 100%);
    background: linear-gradient(90deg, rgba(255, 107, 26, 0) 0%, rgba(255, 107, 26, .38) 45%, rgba(255, 107, 26, .75) 100%);
    opacity: .75;
    animation: beam 6s ease-in-out infinite;
}
@keyframes beam { 50% { opacity: .45; } }

.hero__waves { position: absolute; z-index: 1; left: 42%; top: 41%; width: 0; height: 0; }
.hero__waves span {
    position: absolute;
    left: 0; top: 0;
    width: 360px; height: 360px;
    margin: -180px 0 0 -180px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 140, 70, .7);
    clip-path: polygon(50% 50%, 100% 0, 100% 100%);
    transform: scale(.15);
    opacity: 0;
    animation: wave 3.6s var(--ease) infinite;
}
.hero__waves span:nth-child(2) { animation-delay: 1.2s; }
.hero__waves span:nth-child(3) { animation-delay: 2.4s; }
@keyframes wave {
    0% { transform: scale(.15); opacity: 0; }
    15% { opacity: .9; }
    100% { transform: scale(1.35); opacity: 0; }
}

.hero__tag {
    position: absolute;
    z-index: 3;
    left: var(--x); top: var(--y);
    display: none;
}
.hero__tag span {
    position: absolute;
    left: 0; bottom: 30px;
    transform: translateX(-50%);
    padding: 6px 11px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 999px;
    background: rgba(14, 15, 17, .78);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    font: 500 .7rem/1.2 var(--font-mono);
    white-space: nowrap;
}
.hero__tag::before {
    content: '';
    position: absolute;
    left: -5px; top: -5px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 0 5px rgba(255, 107, 26, .25);
}
.hero__tag::after {
    content: '';
    position: absolute;
    left: 0; bottom: 5px;
    width: 1px; height: 25px;
    background: rgba(255, 255, 255, .45);
}
.hero__tag--right span { bottom: 44px; transform: translateX(-18%); }
.hero__tag--right::after { height: 39px; }
@media (min-width: 560px) { .hero__tag { display: block; } }

.hero__kit {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 12px;
    width: fit-content;
    max-width: 100%;
    margin: 12px 0 0 auto;
    padding: 6px 6px 6px 6px;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 999px;
    background: rgba(255, 255, 255, .07);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: #fff;
    text-decoration: none;
    transition: background-color .25s, border-color .25s;
}
.hero__kit:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .3); }
.hero__kit picture { flex: none; }
.hero__kit-img { width: 96px; height: 58px; object-fit: cover; border-radius: 999px; }
.hero__kit-text { font-size: .8125rem; line-height: 1.3; font-weight: 700; }
.hero__kit-text small {
    display: block;
    margin-bottom: 2px;
    font: 500 .64rem/1.2 var(--font-mono);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--c-accent);
}
.hero__kit-go {
    display: grid;
    place-items: center;
    flex: none;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #111;
}
.hero__kit-go svg { width: 18px; height: 18px; }
@media (min-width: 1100px) {
    .hero__kit { position: absolute; right: 0; bottom: 2%; margin: 0; }
}

.hero__facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 16px;
    margin: 36px 0 0;
    padding: 26px 0 0;
    list-style: none;
    border-top: 1px solid rgba(255, 255, 255, .1);
}
@media (min-width: 900px) {
    .hero__facts { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
    .hero-fact + .hero-fact { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .12); }
    .hero-fact { padding-right: 16px; }
}
.hero-fact__icon { width: 24px; height: 24px; margin-bottom: 12px; color: var(--c-accent); }
.hero-fact__value {
    display: block;
    font: 600 clamp(1.35rem, 1rem + 1.4vw, 2.1rem)/1.1 var(--font-display);
    letter-spacing: -.02em;
}
.hero-fact__label { display: block; margin-top: 6px; font-size: .875rem; color: rgba(255, 255, 255, .62); }

/* ---------- Ключевые параметры ---------- */
.stats {
    padding: 8px 0 clamp(56px, 7vw, 96px);
    background: var(--c-ink);
    color: #fff;
}
.stats__head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin: 32px 0 22px;
}
.stats__head .eyebrow { margin: 0; }
.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: rgba(255, 255, 255, .09);
}
@media (min-width: 700px) { .stats__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .stats__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.stat {
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-end;
    gap: 12px;
    padding: 24px 20px 26px;
    background: var(--c-ink-2);
    transition: background-color .3s;
}
.stat:hover { background: #1b1e22; }
.stat__value {
    margin: 0;
    font: 600 clamp(1.55rem, 1.1rem + 1.5vw, 2.3rem)/1 var(--font-display);
    letter-spacing: -.02em;
    white-space: nowrap;
}
.stat__value small { margin-left: 3px; font-size: .5em; color: var(--c-accent); }
.stat__label { font-size: .875rem; font-weight: 700; color: rgba(255, 255, 255, .82); }
.stat__note { display: block; margin-top: 4px; font-size: .8125rem; font-weight: 400; color: rgba(255, 255, 255, .5); }

/* ---------- О комплексе ---------- */
.about__grid { display: grid; gap: 40px; }
@media (min-width: 1000px) {
    .about__grid { grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
    .about__figure { position: sticky; top: calc(var(--header-h) + 32px); }
}
.about__text p { margin: 0 0 16px; color: #3a3f46; max-width: 62ch; }
.about__text .lead { color: var(--c-text); }
.about__subtitle {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 30px 0 10px;
    font: 800 1.125rem/1.3 var(--font-body);
}
.about__subtitle::before {
    content: '';
    width: 18px; height: 2px;
    flex: none;
    background: var(--c-accent);
}
.about__figure {
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius-l);
    background: var(--fig-bg, #ebebeb);
}
.about__figure img { width: 100%; }
.about__caption {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 20px;
    margin-top: -12px;
}
.about__caption span {
    padding: 7px 11px;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, .75);
    font: 500 .75rem/1.2 var(--font-mono);
}

.roles { display: grid; gap: 16px; margin-top: 56px; }
@media (min-width: 900px) { .roles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.role {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 28px;
    border: 1px solid var(--c-line);
    border-radius: 24px;
    background: var(--c-card);
    transition: transform .35s var(--ease), box-shadow .35s;
}
.role:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.role__top { display: flex; justify-content: space-between; align-items: center; }
.role__icon {
    display: grid;
    place-items: center;
    width: 50px; height: 50px;
    border-radius: 15px;
    background: var(--c-ink);
    color: var(--c-accent);
}
.role__icon svg { width: 24px; height: 24px; }
.role__tag {
    font: 500 .68rem/1 var(--font-mono);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--c-muted);
}
.role__title { margin: 8px 0 0; font: 800 1.25rem/1.25 var(--font-body); }
.role p { margin: 0; color: var(--c-muted); }
.role__facts { display: flex; flex-wrap: wrap; gap: 6px; margin: auto 0 0; padding: 12px 0 0; list-style: none; }
.role__facts li {
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--c-paper);
    font: 500 .75rem/1.2 var(--font-mono);
}

/* ---------- Диапазоны ---------- */
.spectrum {
    margin-bottom: 20px;
    padding: 64px clamp(16px, 3vw, 32px) 20px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: var(--radius-l);
    background: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .01));
}
.spectrum__track {
    position: relative;
    height: 84px;
    border-bottom: 1px solid rgba(255, 255, 255, .3);
    background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px calc(100% / 60));
}
.spectrum__tick {
    position: absolute;
    left: var(--p);
    bottom: -1px;
    width: 1px; height: 16px;
    background: rgba(255, 255, 255, .55);
}
.spectrum__tick span {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    transform: translateX(-50%);
    font: 500 .7rem/1 var(--font-mono);
    color: rgba(255, 255, 255, .55);
    white-space: nowrap;
}
.spectrum__tick:first-child span { transform: none; }
.spectrum__tick:nth-child(7) span { transform: translateX(-100%); }
.spectrum__band {
    --c: var(--c-accent);
    position: absolute;
    left: var(--from);
    width: max(6px, calc(var(--to) - var(--from)));
    bottom: 0;
    height: 100%;
    border-top: 2px solid var(--c);
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, color-mix(in srgb, var(--c) 60%, transparent), color-mix(in srgb, var(--c) 8%, transparent));
    box-shadow: 0 0 28px color-mix(in srgb, var(--c) 45%, transparent);
    transition: box-shadow .3s, filter .3s;
    cursor: default;
}
.spectrum__band--b { --c: var(--c-cyan); }
.spectrum__band.is-hl { filter: brightness(1.25); box-shadow: 0 0 46px color-mix(in srgb, var(--c) 70%, transparent); }
.spectrum__label {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 9px;
    border: 1px solid color-mix(in srgb, var(--c) 60%, transparent);
    border-radius: 8px;
    background: rgba(14, 15, 17, .8);
    font: 600 .72rem/1.2 var(--font-mono);
    color: #fff;
    white-space: nowrap;
}
.spectrum__band--b .spectrum__label { left: auto; right: 0; transform: none; }
.spectrum__caption { margin: 34px 0 0; font-size: .8125rem; color: rgba(255, 255, 255, .5); }

.bands__grid { display: grid; gap: 16px; }
@media (min-width: 760px) { .bands__grid { grid-template-columns: 1fr 1fr; } .tracts { grid-column: 1 / -1; } }
@media (min-width: 1100px) { .bands__grid { grid-template-columns: 1fr 1fr .78fr; } .tracts { grid-column: auto; } }

.band {
    --band-c: var(--c-accent);
    position: relative;
    overflow: hidden;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: var(--c-ink-3);
    transition: border-color .3s, transform .35s var(--ease);
}
.band::before {
    content: '';
    position: absolute;
    right: -30%; top: -40%;
    width: 80%; height: 80%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--band-c) 22%, transparent), transparent 70%);
    pointer-events: none;
}
.band--b { --band-c: var(--c-cyan); }
.band:hover, .band.is-hl { border-color: color-mix(in srgb, var(--band-c) 70%, transparent); }
.band__head { position: relative; }
.band__badge {
    font: 500 .7rem/1 var(--font-mono);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--band-c);
}
.band__title { margin: 14px 0 6px; font: 600 clamp(2.5rem, 2rem + 2vw, 3.5rem)/1 var(--font-display); letter-spacing: -.03em; }
.band__title small { font-size: .42em; color: rgba(255, 255, 255, .6); letter-spacing: 0; }
.band__range { margin: 0; font: 500 1rem/1.3 var(--font-mono); color: var(--band-c); }

.band__zoom {
    position: relative;
    height: 48px;
    margin: 44px 10px 38px;
    border-bottom: 1px solid rgba(255, 255, 255, .22);
}
.band__zoom-fill {
    position: absolute;
    left: var(--from);
    width: calc(var(--to) - var(--from));
    bottom: 0; height: 100%;
    border-top: 2px solid var(--band-c);
    background: linear-gradient(180deg, color-mix(in srgb, var(--band-c) 40%, transparent), transparent);
}
.band__zoom-mark {
    position: absolute;
    left: var(--p);
    top: 100%;
    transform: translateX(-50%);
    padding-top: 10px;
    font: 500 .66rem/1 var(--font-mono);
    color: rgba(255, 255, 255, .5);
    white-space: nowrap;
}
.band__zoom-mark::before {
    content: '';
    position: absolute;
    left: 50%; top: -5px;
    width: 1px; height: 9px;
    background: rgba(255, 255, 255, .5);
}
.band__zoom-mark--sub {
    top: auto;
    bottom: 100%;
    padding: 0 0 8px;
    color: #fff;
    font-weight: 600;
}
.band__zoom-mark--sub::before {
    top: 100%;
    height: 48px;
    width: 0;
    border-left: 1px dashed rgba(255, 255, 255, .6);
    background: none;
}
.band__facts { position: relative; margin: 0; }
.band__facts div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, .08);
}
.band__facts dt { font-size: .875rem; color: rgba(255, 255, 255, .6); }
.band__facts dd { margin: 0; font-weight: 700; text-align: right; }
.band__note { position: relative; margin: 14px 0 0; font-size: .875rem; color: rgba(255, 255, 255, .6); }

.tracts {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 28px;
    border-radius: var(--radius-l);
    background: var(--c-accent);
    color: #111;
}
.tracts__value { margin: 0; font: 700 4.5rem/.9 var(--font-display); }
.tracts__title { margin: 0 0 6px; font-size: 1.125rem; font-weight: 800; line-height: 1.3; }
.tract {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(0, 0, 0, .1);
}
.tract__name { margin-right: auto; font: 600 .8rem/1 var(--font-mono); }
.tract__band {
    padding: 5px 10px;
    border-radius: 999px;
    background: #111;
    font: 600 .75rem/1 var(--font-mono);
}
.tract__band--a { color: var(--c-accent); }
.tract__band--b { color: var(--c-cyan); }
.tracts__text { margin: auto 0 0; font-size: .875rem; color: rgba(0, 0, 0, .72); }

.bands__foot {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin: 28px 0 0;
    font-size: .9rem;
    color: rgba(255, 255, 255, .6);
}
.bands__foot .icon { margin-top: 4px; color: var(--c-accent); }
.bands__foot a { color: var(--c-accent); }

/* ---------- Архитектура ---------- */
.flow {
    position: relative;
    overflow: hidden;
    padding: clamp(22px, 3vw, 36px);
    border-radius: var(--radius-l);
    background:
        radial-gradient(ellipse 50% 80% at 50% 0%, rgba(255, 107, 26, .12), transparent 70%),
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 40px 40px,
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 40px 40px,
        var(--c-ink);
    color: #fff;
}
.flow__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-bottom: 24px;
    font: 500 .7rem/1.2 var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .6);
}
.flow__legend-item { display: inline-flex; align-items: center; gap: 8px; }
.flow__legend-item::before {
    content: '';
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 10px var(--c-accent);
}
.flow__legend-item--down::before { background: var(--c-cyan); box-shadow: 0 0 10px var(--c-cyan); }

.flow__list { display: flex; flex-direction: column; margin: 0; padding: 0; list-style: none; }
.flow__node {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, .11);
    border-radius: 20px;
    background: rgba(20, 22, 25, .92);
    transition: border-color .3s, transform .35s var(--ease);
}
.flow__node:hover { border-color: rgba(255, 255, 255, .3); transform: translateY(-3px); }
.flow__node--accent {
    border-color: rgba(255, 107, 26, .55);
    background: linear-gradient(180deg, rgba(255, 107, 26, .16), rgba(255, 107, 26, .03)), rgba(20, 22, 25, .95);
}
.flow__icon {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border-radius: 13px;
    background: rgba(255, 255, 255, .07);
    color: var(--c-accent);
}
.flow__icon svg { width: 24px; height: 24px; }
.flow__step { font: 500 .66rem/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .45); }
.flow__name { margin: 0; font: 800 1.05rem/1.25 var(--font-body); }
.flow__meta { margin: 0; font-size: .8125rem; line-height: 1.5; color: rgba(255, 255, 255, .64); }

.flow__link {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 84px;
    padding: 10px 0;
}
.flow__link--short { min-height: 36px; }
.flow__wire {
    position: absolute;
    left: 50%; top: 0; bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .38) 0 6px, transparent 6px 11px);
}
.flow__wire i {
    position: absolute;
    left: 50%;
    width: 9px; height: 9px;
    margin-left: -4.5px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 12px var(--c-accent);
    animation: flow-y 2.6s linear infinite;
}
.flow__wire i:nth-child(2) {
    background: var(--c-cyan);
    box-shadow: 0 0 12px var(--c-cyan);
    animation-name: flow-y-back;
    animation-delay: -1.3s;
}
@keyframes flow-y { from { top: -5px; } to { top: calc(100% - 4px); } }
@keyframes flow-y-back { from { top: calc(100% - 4px); } to { top: -5px; } }
@keyframes flow-x { from { left: -5px; } to { left: calc(100% - 4px); } }
@keyframes flow-x-back { from { left: calc(100% - 4px); } to { left: -5px; } }

.flow__cable, .flow__cable-sub { position: relative; z-index: 1; text-align: center; }
.flow__cable {
    padding: 6px 11px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    background: var(--c-ink);
    font: 600 .72rem/1.3 var(--font-mono);
}
.flow__cable-sub {
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--c-ink);
    font-size: .7rem;
    line-height: 1.35;
    color: rgba(255, 255, 255, .55);
}

@media (min-width: 1000px) {
    .flow__list { flex-direction: row; align-items: stretch; }
    .flow__node { flex: 1 1 0; min-width: 0; }
    .flow__link { flex: 0 0 128px; min-height: 0; padding: 0 6px; }
    .flow__link--main { flex-basis: 196px; }
    .flow__link--short { flex-basis: 44px; }
    .flow__wire {
        left: 0; right: 0; top: 50%; bottom: auto;
        width: auto; height: 2px;
        transform: translateY(-50%);
        background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .38) 0 6px, transparent 6px 11px);
    }
    .flow__wire i { top: 50% !important; margin: -4.5px 0 0; animation-name: flow-x; }
    .flow__wire i:nth-child(2) { animation-name: flow-x-back; }
}

.arch__benefits {
    display: grid;
    gap: 16px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}
@media (min-width: 700px) { .arch__benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .arch__benefits { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.benefit {
    padding: 24px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-card);
}
.benefit__icon {
    display: grid;
    place-items: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--c-accent-soft);
    color: var(--c-accent-ink);
}
.benefit__icon svg { width: 22px; height: 22px; }
.benefit__title { margin: 16px 0 6px; font: 800 1.0625rem/1.3 var(--font-body); }
.benefit p { margin: 0; font-size: .9375rem; color: var(--c-muted); }

/* ---------- Конструкция: ракурсы ---------- */
.viewer { display: grid; gap: 20px; }
.viewer__tabs {
    display: flex;
    gap: 4px;
    width: max-content;
    max-width: 100%;
    padding: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    background: var(--c-card);
}
.viewer__tabs::-webkit-scrollbar { display: none; }
.viewer__tab {
    flex: none;
    padding: 10px 16px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    font-size: .875rem;
    font-weight: 700;
    color: var(--c-muted);
    cursor: pointer;
    transition: background-color .25s, color .25s;
}
.viewer__tab:hover { color: var(--c-text); }
.viewer__tab[aria-selected="true"] { background: var(--c-ink); color: #fff; }

.viewer__panel { display: grid; gap: 16px; }
@media (min-width: 1000px) {
    .viewer__panel { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 24px; align-items: center; }
}
.js .viewer__panel:not(.is-active) { display: none; }
.viewer__panel.is-active { animation: fade-in .45s var(--ease); }
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } }

.viewer__stage {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-l);
    background: var(--stage-bg, #ebebeb);
}
.viewer__img { width: 100%; }

.spot {
    position: absolute;
    left: var(--x); top: var(--y);
    display: grid;
    place-items: center;
    width: 30px; height: 30px;
    margin: -15px 0 0 -15px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--c-accent);
    color: #111;
    font: 700 .75rem/1 var(--font-mono);
    box-shadow: 0 6px 16px rgba(0, 0, 0, .28);
    cursor: pointer;
    transition: transform .25s var(--ease), background-color .25s, color .25s;
}
.spot::before {
    content: '';
    position: absolute;
    inset: -7px;
    border: 2px solid rgba(255, 107, 26, .55);
    border-radius: 50%;
    animation: ring 2.4s var(--ease) infinite;
}
@keyframes ring {
    0% { transform: scale(.7); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}
.spot:hover, .spot.is-active { transform: scale(1.18); background: #111; color: var(--c-accent); }
@media (max-width: 559px) {
    .spot { width: 24px; height: 24px; margin: -12px 0 0 -12px; border-width: 1.5px; font-size: .62rem; }
    .spot::before { inset: -5px; }
}
.spot.is-active::before { animation: none; opacity: 0; }

.viewer__legend { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.legend-item {
    display: flex;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--c-line);
    border-radius: 16px;
    background: var(--c-card);
    transition: border-color .2s, background-color .2s, transform .25s var(--ease);
}
.legend-item.is-active { border-color: var(--c-accent); background: #fff6ef; transform: translateX(4px); }
.legend-item__num {
    display: grid;
    place-items: center;
    flex: none;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--c-ink);
    color: #fff;
    font: 700 .75rem/1 var(--font-mono);
}
.legend-item.is-active .legend-item__num { background: var(--c-accent); color: #111; }
.legend-item__text { font-size: .9rem; line-height: 1.45; color: var(--c-muted); }
.legend-item__text strong { display: block; margin-bottom: 2px; font-size: .95rem; color: var(--c-text); }

.design__bottom { display: grid; gap: 16px; margin-top: 40px; }
@media (min-width: 700px) { .design__bottom { grid-template-columns: repeat(2, minmax(0, 1fr)); } .design__specs { grid-column: 1 / -1; } }
@media (min-width: 1100px) { .design__bottom { grid-template-columns: repeat(3, minmax(0, 1fr)); } .design__specs { grid-column: auto; } }
.design__specs {
    display: grid;
    align-content: center;
    margin: 0;
    padding: 10px 26px;
    border-radius: var(--radius-l);
    background: var(--c-ink);
    color: #fff;
}
.design__specs div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.design__specs div:last-child { border-bottom: 0; }
.design__specs dt { font-size: .875rem; color: rgba(255, 255, 255, .6); }
.design__specs dd { margin: 0; font: 600 .85rem/1.4 var(--font-mono); text-align: right; }

.macro {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
.macro img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.macro figcaption { padding: 16px 20px 20px; font-size: .875rem; color: var(--c-muted); }
.macro figcaption strong { display: block; margin-bottom: 2px; color: var(--c-text); }

/* ---------- Преимущества ---------- */
.adv-grid {
    display: grid;
    gap: 1px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: rgba(255, 255, 255, .09);
}
@media (min-width: 640px) { .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .adv-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.adv {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 290px;
    padding: 28px;
    background: var(--c-ink-2);
    transition: background-color .3s;
}
.adv:hover { background: #1b1e22; }
.adv__top { display: flex; justify-content: space-between; align-items: flex-start; }
.adv__icon {
    display: grid;
    place-items: center;
    width: 50px; height: 50px;
    border-radius: 15px;
    background: rgba(255, 107, 26, .12);
    color: var(--c-accent);
    transition: background-color .3s, color .3s;
}
.adv__icon svg { width: 24px; height: 24px; }
.adv:hover .adv__icon { background: var(--c-accent); color: #111; }
.adv__num { font: 500 .75rem/1 var(--font-mono); color: rgba(255, 255, 255, .35); }
.adv__title { margin: 10px 0 0; font: 800 1.125rem/1.3 var(--font-body); }
.adv__text { margin: 0; font-size: .9375rem; color: rgba(255, 255, 255, .62); }
.adv__metric {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px dashed rgba(255, 255, 255, .14);
    font: 600 .8rem/1.2 var(--font-mono);
    color: var(--c-accent);
}
.adv--cta { background: var(--c-accent); color: #111; }
.adv--cta:hover { background: var(--c-accent-2); }
.adv--cta .adv__title { margin-top: 0; font: 600 1.35rem/1.2 var(--font-display); }
.adv--cta .adv__text { color: rgba(0, 0, 0, .72); }
.adv--cta .btn { align-self: flex-start; margin-top: auto; }

/* ---------- Характеристики ---------- */
.specs__tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    margin-bottom: 20px;
}
.search { position: relative; flex: 1 1 300px; max-width: 540px; }
.search__icon {
    position: absolute;
    left: 18px; top: 50%;
    width: 20px; height: 20px;
    transform: translateY(-50%);
    color: var(--c-muted);
    pointer-events: none;
}
.search__input {
    width: 100%;
    height: 54px;
    padding: 0 18px 0 50px;
    border: 1px solid rgba(20, 22, 26, .16);
    border-radius: 999px;
    background: var(--c-card);
    font-size: 1rem;
    font-weight: 500;
    transition: border-color .2s, box-shadow .2s;
}
.search__input:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(255, 107, 26, .16); }
.specs__count { margin: 0; font: 500 .8rem/1.3 var(--font-mono); color: var(--c-muted); }

.specs__layout { display: grid; gap: 16px; }
@media (min-width: 1000px) {
    .specs__layout { grid-template-columns: 270px minmax(0, 1fr); gap: 24px; align-items: start; }
}
.specs__tabs {
    display: flex;
    gap: 8px;
    margin-inline: calc(-1 * var(--gutter));
    padding: 2px var(--gutter) 6px;
    overflow-x: auto;
    scrollbar-width: none;
}
.specs__tabs::-webkit-scrollbar { display: none; }
@media (min-width: 1000px) {
    .specs__tabs {
        position: sticky;
        top: calc(var(--header-h) + 24px);
        flex-direction: column;
        margin: 0;
        padding: 0;
        overflow: visible;
    }
}
.specs__tab {
    display: flex;
    align-items: center;
    flex: none;
    gap: 10px;
    padding: 11px 14px;
    border: 1px solid var(--c-line);
    border-radius: 14px;
    background: var(--c-card);
    font-size: .875rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    transition: background-color .2s, color .2s, border-color .2s;
}
@media (min-width: 1000px) { .specs__tab { width: 100%; padding: 14px 16px; } }
.specs__tab:hover { border-color: rgba(20, 22, 26, .3); }
.specs__tab[aria-selected="true"] { border-color: var(--c-ink); background: var(--c-ink); color: #fff; }
.specs__tab-icon { width: 18px; height: 18px; color: var(--c-accent-ink); }
.specs__tab[aria-selected="true"] .specs__tab-icon { color: var(--c-accent); }
.specs__tab-count {
    margin-left: auto;
    padding: 3px 7px;
    border-radius: 999px;
    background: var(--c-paper);
    font: 500 .7rem/1 var(--font-mono);
    color: var(--c-muted);
}
.specs__tab[aria-selected="true"] .specs__tab-count { background: rgba(255, 255, 255, .12); color: #fff; }
.is-searching .specs__tab { opacity: .45; }

.specs__panels {
    min-width: 0;
    padding: 6px 20px 20px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
@media (min-width: 700px) { .specs__panels { padding: 10px 32px 28px; } }
.js .specs__panel:not(.is-active) { display: none; }
.js .is-searching .specs__panel { display: block; }
.js .is-searching .specs__panel.is-empty,
.spec-group.is-empty,
tr.is-hidden { display: none !important; }
.specs__panel.is-active { animation: fade-in .4s var(--ease); }
.specs__panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 18px 0 6px;
    font: 800 1.125rem/1.3 var(--font-body);
}
.specs__panel-title .icon { color: var(--c-accent-ink); }
.spec-group__title {
    margin: 26px 0 4px;
    font: 600 .75rem/1.3 var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--c-accent-ink);
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td {
    padding: 13px 0;
    border-bottom: 1px solid var(--c-line);
    font-size: .9375rem;
    text-align: left;
    vertical-align: top;
}
.spec-table th { width: 46%; padding-right: 24px; font-weight: 500; color: var(--c-muted); }
.spec-table td { font-weight: 700; }
.spec-table tr:last-child > * { border-bottom: 0; }
.spec-table tr { transition: background-color .2s; }
.spec-table tr:hover > * { background: #faf9f6; }
@media (max-width: 559px) {
    .spec-table th, .spec-table td { display: block; width: auto; padding-right: 0; }
    .spec-table th { padding: 12px 0 2px; border-bottom: 0; font-size: .8125rem; }
    .spec-table td { padding-top: 0; }
}
.specs__empty { margin: 20px 0 10px; color: var(--c-muted); }
.specs__empty a { color: var(--c-accent-ink); }

.specs__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 24px;
    margin-top: 24px;
    padding: 24px 28px;
    border-radius: var(--radius-l);
    background: var(--c-ink);
    color: #fff;
}
.specs__cta p { margin: 0; max-width: 58ch; color: rgba(255, 255, 255, .82); font-weight: 600; }

/* ---------- Комплектация ---------- */
.kit__layout { display: grid; gap: 24px; }
@media (min-width: 1100px) {
    .kit__layout { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 36px; align-items: start; }
}
.kit__photo { margin: 0; }
.kit__stage {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: #fff;
}
.kit__stage img { width: 100%; }
.kit__caption { margin-top: 12px; font-size: .8125rem; color: var(--c-muted); }
.kit__total {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 0 0 14px;
    color: var(--c-muted);
}
.kit__total strong { font: 600 2.6rem/1 var(--font-display); color: var(--c-text); }
.kit__list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--c-line); }
.kit-item {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: 12px;
    align-items: baseline;
    padding: 12px 10px;
    border-bottom: 1px solid var(--c-line);
    border-radius: 10px;
    transition: background-color .2s;
}
.kit-item__num { font: 500 .75rem/1 var(--font-mono); color: var(--c-muted); }
.kit-item__name { font-size: .9375rem; font-weight: 700; line-height: 1.4; }
.kit-item__qty { font: 500 .8rem/1.2 var(--font-mono); color: var(--c-accent-ink); white-space: nowrap; }
.kit-item.has-spot { cursor: pointer; }
.kit-item.has-spot .kit-item__num { position: relative; color: var(--c-accent-ink); }
.kit-item.has-spot .kit-item__num::after {
    content: '';
    position: absolute;
    left: -9px; top: 3px;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--c-accent);
}
.kit-item.is-active { background: #fff1e6; }

.kit__banner {
    position: relative;
    display: grid;
    align-items: end;
    min-height: 380px;
    margin-top: 48px;
    overflow: hidden;
    border-radius: var(--radius-l);
    color: #fff;
}
.kit__banner picture { position: absolute; inset: 0; }
.kit__banner-img { width: 100%; height: 100%; object-fit: cover; }
.kit__banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(10, 11, 12, .92) 0%, rgba(10, 11, 12, .72) 38%, rgba(10, 11, 12, .1) 72%, transparent 100%),
        linear-gradient(0deg, rgba(10, 11, 12, .6) 0%, transparent 60%);
}
@media (max-width: 699px) {
    .kit__banner::after { background: linear-gradient(0deg, rgba(10, 11, 12, .95) 0%, rgba(10, 11, 12, .75) 50%, rgba(10, 11, 12, .2) 100%); }
}
.kit__banner-body { position: relative; z-index: 1; max-width: 600px; padding: clamp(22px, 4vw, 40px); }
.kit__banner-title { margin: 0 0 8px; font: 600 clamp(1.4rem, 1rem + 1.5vw, 2.2rem)/1.15 var(--font-display); }
.kit__banner-body p { margin: 0; color: rgba(255, 255, 255, .78); }

.kit__groups { display: grid; gap: 16px; margin-top: 24px; }
@media (min-width: 640px) { .kit__groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .kit__groups { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.kit-group { padding: 24px; border-radius: var(--radius); background: var(--c-paper); }
.kit-group__icon {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border-radius: 13px;
    background: var(--c-ink);
    color: var(--c-accent);
}
.kit-group__icon svg { width: 22px; height: 22px; }
.kit-group__title { margin: 16px 0 6px; font: 800 1.0625rem/1.3 var(--font-body); }
.kit-group p { margin: 0; font-size: .9375rem; color: var(--c-muted); }

.options {
    margin-top: 56px;
    padding: clamp(22px, 4vw, 48px);
    border-radius: var(--radius-l);
    background: var(--c-ink);
    color: #fff;
    scroll-margin-top: calc(var(--header-h) + 16px);
}
.options__head { display: grid; gap: 10px 40px; margin-bottom: 28px; }
@media (min-width: 900px) { .options__head { grid-template-columns: 1fr 1fr; align-items: end; } }
.options__title { margin: 0; font: 600 clamp(1.4rem, 1rem + 1.5vw, 2.2rem)/1.15 var(--font-display); }
.options__head p { margin: 0; color: rgba(255, 255, 255, .65); }
.options__grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .options__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.option {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .035);
    scroll-margin-top: calc(var(--header-h) + 16px);
}
.option__icon {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border-radius: 13px;
    background: rgba(255, 107, 26, .14);
    color: var(--c-accent);
}
.option__icon svg { width: 22px; height: 22px; }
.option__title { margin: 6px 0 0; font: 800 1.125rem/1.3 var(--font-body); }
.option__lead { margin: 0; font-size: .9375rem; color: rgba(255, 255, 255, .65); }
.option__facts { margin: 8px 0 0; }
.option__facts div {
    display: flex;
    flex-direction: column-reverse;
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, .08);
}
.option__facts dd { margin: 0; font: 600 1.2rem/1.2 var(--font-display); }
.option__facts dt { font-size: .8125rem; color: rgba(255, 255, 255, .55); }
.options__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 28px; }

/* ---------- Кабели и вынос ---------- */
.route-card {
    padding: clamp(18px, 3vw, 36px);
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: var(--c-ink-3);
}
.route-card__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    margin-bottom: 36px;
}
.route-card__hint { margin: 0; font: 500 .72rem/1.2 var(--font-mono); color: rgba(255, 255, 255, .45); }
.switch {
    display: inline-flex;
    flex-wrap: wrap;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 22px;
    background: rgba(255, 255, 255, .05);
}
.switch__btn {
    padding: 10px 16px;
    border: 0;
    border-radius: 18px;
    background: transparent;
    color: rgba(255, 255, 255, .72);
    font-size: .8125rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color .25s, color .25s;
}
.switch__btn:hover { color: #fff; }
.switch__btn[aria-checked="true"] { background: var(--c-accent); color: #111; }

.route { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: center; }
.route__op { display: flex; flex-direction: column; align-items: center; gap: 6px; width: 76px; }
@media (min-width: 700px) { .route__op { width: 110px; } }
.route__node {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 13px;
    background: rgba(255, 255, 255, .06);
    color: #fff;
}
.route__node svg { width: 22px; height: 22px; }
.route__node--accent { border-color: transparent; background: var(--c-accent); color: #111; }
.route__op-cable, .route__node-label {
    font: 500 .62rem/1.3 var(--font-mono);
    color: rgba(255, 255, 255, .55);
    text-align: center;
}
.route__field { position: relative; margin-right: 26px; padding-bottom: 6px; }
.route__lines { position: relative; padding: 24px 0 18px; }
.route__line { position: relative; margin: 20px 0; }
.route__line:first-child { margin-top: 0; }
.route__line-name {
    position: absolute;
    left: 0; bottom: calc(100% + 6px);
    font: 500 .62rem/1 var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .45);
}
.route__track { display: flex; height: 10px; }
.route__seg {
    position: relative;
    flex: 0 0 calc(100% / 6);
    height: 10px;
    border-radius: 5px;
    background: linear-gradient(90deg, #3b4148, #4f565f);
    overflow: visible;
    transform-origin: left center;
    transition: opacity .45s var(--ease), transform .45s var(--ease);
    transition-delay: calc(var(--i, 0) * 90ms);
}
.route__seg::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 107, 26, .85) 50%, transparent 100%) no-repeat;
    background-size: 40% 100%;
    animation: shimmer 2.2s linear infinite;
    animation-delay: calc(var(--i, 0) * .25s);
}
@keyframes shimmer { from { background-position: -60% 0; } to { background-position: 160% 0; } }
.route__seg + .route__seg::before {
    content: '';
    position: absolute;
    z-index: 1;
    left: -4px; top: 50%;
    width: 8px; height: 16px;
    margin-top: -8px;
    border-radius: 3px;
    background: var(--c-accent);
    box-shadow: 0 0 0 2px var(--c-ink-3);
}
[data-mode="base"] .route__seg--ext { opacity: 0; transform: scaleX(0); transition-delay: 0s; }

.route__antenna {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transform: translate(-50%, -38%);
    transition: left .7s var(--ease);
}
.route__antenna .route__node { box-shadow: 0 0 0 4px var(--c-ink-3), 0 0 26px rgba(255, 107, 26, .5); }
.route__antenna .route__node-label { padding: 2px 6px; border-radius: 6px; background: var(--c-ink-3); white-space: nowrap; }
[data-mode="ext"] .route__antenna { left: 100%; }

.route__ruler {
    position: relative;
    height: 24px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}
.route__ruler span {
    position: absolute;
    left: var(--p);
    top: 7px;
    transform: translateX(-50%);
    font: 500 .64rem/1 var(--font-mono);
    color: rgba(255, 255, 255, .55);
    white-space: nowrap;
    transition: opacity .4s;
}
.route__ruler span::before {
    content: '';
    position: absolute;
    left: 50%; top: -8px;
    width: 1px; height: 5px;
    background: rgba(255, 255, 255, .4);
}
[data-mode="base"] .route__ruler span:nth-child(n + 5) { opacity: .3; }
@media (max-width: 559px) {
    .route { gap: 10px; }
    .route__op { width: 62px; }
    .route__node { width: 38px; height: 38px; border-radius: 11px; }
    .route__node svg { width: 18px; height: 18px; }
    .route__field { margin-right: 20px; }
    .route__antenna .route__node-label { display: none; }
}

.route-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 30px 0 0;
    overflow: hidden;
    border-radius: 18px;
    background: rgba(255, 255, 255, .08);
}
@media (min-width: 900px) { .route-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.route-fact { display: flex; flex-direction: column-reverse; gap: 6px; padding: 18px 20px; background: #20242a; }
.route-fact dt { font-size: .8125rem; color: rgba(255, 255, 255, .6); }
.route-fact dd { margin: 0; font: 600 clamp(1.3rem, 1rem + 1vw, 1.75rem)/1.1 var(--font-display); }
[data-mode="base"] [data-ext], [data-mode="ext"] [data-base] { display: none; }
[data-mode="ext"] .route-fact dd { color: var(--c-accent); }
.route-card__note { margin: 16px 0 0; font-size: .8125rem; color: rgba(255, 255, 255, .5); }

.cables__extra { display: grid; gap: 16px; margin-top: 16px; }
@media (min-width: 700px) { .cables__extra { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .cables__extra { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.cable-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius);
    background: var(--c-ink-3);
}
.cable-card__icon {
    display: grid;
    place-items: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(255, 107, 26, .13);
    color: var(--c-accent);
}
.cable-card__icon svg { width: 22px; height: 22px; }
.cable-card__title { margin: 6px 0 0; font: 800 1.0625rem/1.3 var(--font-body); }
.cable-card p { margin: 0; font-size: .9rem; color: rgba(255, 255, 255, .62); }
.cable-card .cable-card__value {
    margin-top: auto;
    padding-top: 10px;
    font: 600 1.75rem/1 var(--font-display);
    color: #fff;
}
.cable-card--mast { flex-direction: row; gap: 22px; }
.cable-card--mast > div:last-child { display: flex; flex-direction: column; gap: 10px; }
.mast { position: relative; flex: none; width: 40px; min-height: 170px; margin-right: 18px; }
.mast__pole {
    position: absolute;
    left: 50%; top: 30px; bottom: 0;
    width: 4px;
    margin-left: -2px;
    border-radius: 2px;
    background: repeating-linear-gradient(180deg, #9aa3ad 0 30px, #5b636c 30px 34px);
}
.mast__pole::after {
    content: '';
    position: absolute;
    left: 50%; bottom: 0;
    width: 40px; height: 16px;
    transform: translateX(-50%);
    border: solid rgba(255, 255, 255, .35);
    border-width: 0 1px;
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
    background: linear-gradient(90deg, transparent 49%, rgba(255, 255, 255, .35) 49% 51%, transparent 51%);
}
.mast__head {
    position: absolute;
    top: 0; left: 50%;
    display: grid;
    place-items: center;
    width: 32px; height: 32px;
    transform: translateX(-50%);
    border-radius: 9px;
    background: var(--c-accent);
    color: #111;
}
.mast__head svg { width: 18px; height: 18px; }
.mast__mark {
    position: absolute;
    left: calc(100% + 2px);
    bottom: calc(var(--p) * .82);
    transform: translateY(50%);
    font: 500 .62rem/1 var(--font-mono);
    color: rgba(255, 255, 255, .5);
    white-space: nowrap;
}

/* ---------- Автономная работа ---------- */
.power__layout { display: grid; gap: 20px; }
@media (min-width: 1000px) { .power__layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); } }
.power__photo {
    position: relative;
    min-height: 300px;
    margin: 0;
    overflow: hidden;
    border-radius: var(--radius-l);
    background: #d9d9d7;
}
.power__photo picture, .power__photo img { width: 100%; height: 100%; }
.power__photo img { object-fit: cover; }
.power__photo-cap {
    position: absolute;
    left: 16px; bottom: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    background: rgba(14, 15, 17, .82);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: .8125rem;
    font-weight: 600;
}
.power__photo-cap .icon { color: var(--c-led); }
.power__main { display: grid; gap: 16px; align-content: start; }
.batteries { display: grid; gap: 16px; }
@media (min-width: 640px) { .batteries { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.battery-card {
    padding: 24px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-card);
}
.battery-card__title { margin: 0 0 16px; font: 800 1rem/1.3 var(--font-body); }
.battery {
    position: relative;
    height: 46px;
    margin-right: 9px;
    padding: 4px;
    border: 2px solid var(--c-ink);
    border-radius: 11px;
}
.battery__fill {
    display: block;
    width: 98%;
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(90deg, #22c485, var(--c-led));
    transition: width 1.8s var(--ease);
}
.js .reveal:not(.is-visible) .battery__fill { width: 6%; }
.battery__cap {
    position: absolute;
    right: -9px; top: 50%;
    width: 6px; height: 16px;
    margin-top: -8px;
    border-radius: 0 3px 3px 0;
    background: var(--c-ink);
}
.battery-card__facts { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 18px 0 0; }
.battery-card__facts div { display: flex; flex-direction: column-reverse; }
.battery-card__facts dd { margin: 0; font: 600 1rem/1.2 var(--font-display); white-space: nowrap; }
.battery-card__facts dt { font-size: .75rem; color: var(--c-muted); }

.timeline { padding: 24px; border-radius: var(--radius); background: var(--c-ink); color: #fff; }
.timeline__bar { height: 12px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, .1); }
.timeline__fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--c-led), var(--c-accent));
    transform-origin: left;
    transition: transform 2s var(--ease);
}
.js .reveal:not(.is-visible) .timeline__fill { transform: scaleX(0); }
.timeline__marks { position: relative; height: 22px; margin-top: 8px; }
.timeline__marks span {
    position: absolute;
    left: var(--p);
    transform: translateX(-50%);
    white-space: nowrap;
    font: 500 .68rem/1 var(--font-mono);
    color: rgba(255, 255, 255, .5);
}
.timeline__marks span:first-child { transform: none; }
.timeline__marks span:last-child { transform: translateX(-100%); }
.timeline__text { margin: 8px 0 0; font-weight: 700; }

.power__subtitle { margin: 48px 0 20px; font: 600 clamp(1.25rem, 1rem + 1vw, 1.75rem)/1.2 var(--font-display); }
.sources { display: grid; gap: 16px; }
@media (min-width: 640px) { .sources { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .sources { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.source { padding: 24px; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-card); }
.source__icon {
    display: grid;
    place-items: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--c-ink);
    color: var(--c-accent);
}
.source__icon svg { width: 22px; height: 22px; }
.source__title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 16px 0 6px;
    font: 800 1.0625rem/1.3 var(--font-body);
}
.source p { margin: 0; font-size: .9375rem; color: var(--c-muted); }
.source--option { border-style: dashed; border-color: rgba(194, 65, 12, .4); }

/* ---------- Применение ---------- */
.apps__grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .apps__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .app--wide { grid-column: span 2; } }
@media (min-width: 1000px) { .apps__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.app {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 210px;
    padding: 26px;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: var(--c-ink-3);
    transition: border-color .3s, transform .35s var(--ease);
}
.app:hover { border-color: rgba(255, 107, 26, .5); transform: translateY(-3px); }
.app--wide {
    background:
        radial-gradient(ellipse 80% 120% at 100% 0%, rgba(255, 107, 26, .3), transparent 60%),
        var(--c-ink-3);
}
.app__icon {
    display: grid;
    place-items: center;
    width: 50px; height: 50px;
    border-radius: 15px;
    background: rgba(255, 255, 255, .06);
    color: var(--c-accent);
}
.app__icon svg { width: 24px; height: 24px; }
.app__title { margin: auto 0 0; padding-top: 18px; font: 800 1.125rem/1.3 var(--font-body); }
.app p { margin: 0; font-size: .9375rem; color: rgba(255, 255, 255, .62); }

/* ---------- Совместимость ---------- */
.compat__layout { display: grid; gap: 24px; }
@media (min-width: 1000px) { .compat__layout { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; } }
.platforms { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 560px) { .platforms { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.platform {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px 22px;
    border: 1px solid var(--c-line);
    border-radius: 18px;
    background: var(--c-card);
    transition: border-color .25s;
}
.platform:hover { border-color: rgba(194, 65, 12, .45); }
.platform__brand {
    font: 600 .72rem/1.2 var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--c-accent-ink);
}
.platform__models { font-size: 1.0625rem; font-weight: 800; line-height: 1.35; }
.compat__note {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin: 16px 0 0;
    font-size: .875rem;
    color: var(--c-muted);
}
.compat__note .icon { margin-top: 3px; color: var(--c-accent-ink); }

.freq { padding: clamp(22px, 3vw, 32px); border-radius: var(--radius-l); background: var(--c-ink); color: #fff; }
.freq__title { margin: 0 0 8px; font: 600 1.35rem/1.25 var(--font-display); }
.freq__text { margin: 0 0 18px; font-size: .9375rem; color: rgba(255, 255, 255, .65); }
.freq__form { display: flex; gap: 8px; }
.freq__input {
    flex: 1;
    width: 100%;
    min-width: 0;
    height: 54px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
    color: #fff;
    font: 600 1rem/1 var(--font-mono);
    transition: border-color .2s, box-shadow .2s;
}
.freq__input::placeholder { color: rgba(255, 255, 255, .4); font-family: var(--font-body); font-weight: 500; }
.freq__input:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 4px rgba(255, 107, 26, .2); }
.freq__btn { min-height: 54px; background: var(--c-accent); color: #111; }
.freq__btn:hover { background: var(--c-accent-2); }
.freq__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip--btn {
    padding: 7px 13px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    background: transparent;
    color: rgba(255, 255, 255, .82);
    font: 500 .78rem/1.2 var(--font-mono);
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.chip--btn:hover { border-color: var(--c-accent); color: #fff; }
.freq__scale {
    position: relative;
    height: 36px;
    margin: 28px 0 8px;
    border-radius: 8px;
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .08) 0 1px, transparent 1px calc(100% / 6)),
        rgba(255, 255, 255, .05);
}
.freq__band {
    position: absolute;
    left: var(--from);
    width: max(4px, calc(var(--to) - var(--from)));
    top: 0; bottom: 0;
    background: rgba(255, 107, 26, .55);
}
.freq__band + .freq__band { background: rgba(108, 198, 255, .5); }
.freq__marker {
    position: absolute;
    left: var(--p, 0%);
    top: -7px; bottom: -7px;
    width: 3px;
    margin-left: -1.5px;
    border-radius: 2px;
    background: #fff;
    box-shadow: 0 0 12px rgba(255, 255, 255, .9);
    transition: left .5s var(--ease);
}
.freq__edge { position: absolute; top: calc(100% + 6px); font: 500 .64rem/1 var(--font-mono); color: rgba(255, 255, 255, .45); }
.freq__edge--l { left: 0; }
.freq__edge--r { right: 0; }
.freq__result {
    min-height: 54px;
    margin: 30px 0 0;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .05);
    font-weight: 700;
    color: rgba(255, 255, 255, .7);
}
.freq__result.is-ok { background: rgba(61, 224, 160, .12); color: #86f2c6; }
.freq__result.is-no { background: rgba(255, 107, 26, .14); color: #ffb48c; }
.freq__hint { margin: 10px 0 0; font-size: .8rem; color: rgba(255, 255, 255, .5); }

.compat__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 24px;
    margin-top: 24px;
    padding: 24px 28px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
.compat__cta p { margin: 0; max-width: 52ch; font-weight: 700; }

/* ---------- Гарантия ---------- */
.warranty { padding: 40px 0; background: var(--c-accent); color: #111; }
.warranty__inner { display: grid; gap: 18px 32px; align-items: center; }
@media (min-width: 900px) { .warranty__inner { grid-template-columns: auto minmax(0, 1fr) auto; } }
.warranty__icon {
    display: grid;
    place-items: center;
    width: 66px; height: 66px;
    border-radius: 19px;
    background: #111;
    color: var(--c-accent);
}
.warranty__icon svg { width: 32px; height: 32px; }
.warranty__big { display: flex; align-items: baseline; gap: 8px; margin: 0; font: 700 1rem/1 var(--font-display); }
.warranty__big span { font-size: 4rem; line-height: .9; }
.warranty__title { margin: 0 0 6px; font: 600 clamp(1.25rem, 1rem + 1vw, 1.75rem)/1.2 var(--font-display); }
.warranty__body p { margin: 0; max-width: 72ch; color: rgba(0, 0, 0, .76); }

/* ---------- Отзывы ---------- */
.rating-summary { display: flex; align-items: center; gap: 16px; }
.rating-summary__value { font: 600 3.5rem/1 var(--font-display); letter-spacing: -.03em; }
.rating-summary__meta { display: flex; flex-direction: column; gap: 6px; font-size: .875rem; color: var(--c-muted); }
.stars { display: inline-flex; gap: 2px; }
.stars__i { width: 16px; height: 16px; color: #cfccc5; }
.stars__i.is-on { color: var(--c-accent); }
.stars--avg { position: relative; }
.stars__base, .stars__fill { display: inline-flex; gap: 2px; }
.stars__fill { position: absolute; left: 0; top: 0; overflow: hidden; white-space: nowrap; }
.stars__fill .stars__i { flex: none; color: var(--c-accent); }

.reviews-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .reviews-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.review {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 26px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
.review__head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.review__avatar {
    display: grid;
    place-items: center;
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--c-ink);
    color: var(--c-accent);
    font: 700 1.1rem/1 var(--font-display);
}
.review__name { margin: 0; font: 800 1rem/1.3 var(--font-body); }
.review__role { margin: 0; font-size: .8125rem; color: var(--c-muted); }
.review__text { margin: 0; line-height: 1.65; color: #30353b; }
.review__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--c-line);
    font: 500 .75rem/1.3 var(--font-mono);
    color: var(--c-muted);
}
.review__topic { padding: 4px 9px; border-radius: 999px; background: var(--c-paper); color: var(--c-text); }
.review__link { font-family: var(--font-body); font-size: .8125rem; font-weight: 700; color: var(--c-accent-ink); text-decoration: none; }
.review__link:hover { text-decoration: underline; }

.info-links { display: grid; gap: 16px; margin-top: 32px; }
@media (min-width: 900px) { .info-links { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.info-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 26px;
    border-radius: var(--radius-l);
    background: var(--c-ink);
    color: #fff;
    text-decoration: none;
    transition: transform .35s var(--ease), background-color .3s;
}
.info-card:hover { transform: translateY(-4px); background: #1c1f23; }
.info-card__icon { color: var(--c-accent); }
.info-card__icon svg { width: 30px; height: 30px; }
.info-card__title { margin-top: 10px; font: 600 1.25rem/1.25 var(--font-display); }
.info-card__text { padding-right: 36px; font-size: .9rem; color: rgba(255, 255, 255, .62); }
.info-card__go {
    position: absolute;
    right: 22px; top: 22px;
    display: grid;
    place-items: center;
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #111;
    transition: transform .35s var(--ease);
}
.info-card__go svg { width: 18px; height: 18px; }
.info-card:hover .info-card__go { transform: rotate(45deg); }
.info-card--light { border: 1px solid var(--c-line); background: var(--c-card); color: var(--c-text); }
.info-card--light:hover { background: #fff; box-shadow: var(--shadow); }
.info-card--light .info-card__icon { color: var(--c-accent-ink); }
.info-card--light .info-card__text { color: var(--c-muted); }

/* ---------- FAQ / аккордеон ---------- */
.faq__layout { display: grid; gap: 32px; }
@media (min-width: 1000px) {
    .faq__layout { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
    .faq__aside { position: sticky; top: calc(var(--header-h) + 32px); }
}
.faq__text { margin: 18px 0 0; color: var(--c-muted); }
.faq__links { display: grid; gap: 10px; margin: 22px 0 26px; padding: 0; list-style: none; }

.acc { border-bottom: 1px solid var(--c-line); }
.acc:first-child { border-top: 1px solid var(--c-line); }
.acc__q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    list-style: none;
    font: 800 1.0625rem/1.4 var(--font-body);
    cursor: pointer;
}
.acc__q::-webkit-details-marker { display: none; }
.acc__q h3 { margin: 0; font: inherit; }
.acc__q:hover { color: var(--c-accent-ink); }
.acc__icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 38px; height: 38px;
    border: 1px solid var(--c-line);
    border-radius: 50%;
    color: var(--c-text);
    transition: transform .3s var(--ease), background-color .3s, border-color .3s;
}
.acc__icon svg { width: 18px; height: 18px; }
.acc[open] .acc__icon { transform: rotate(45deg); border-color: var(--c-accent); background: var(--c-accent); color: #111; }
.acc__a { padding: 0 56px 22px 0; color: var(--c-muted); }
.acc__a p { margin: 0; }
.acc__a a { color: var(--c-accent-ink); font-weight: 700; }
.acc[open] .acc__a { animation: fade-in .35s var(--ease); }

/* ---------- Заявка ---------- */
.request {
    background:
        radial-gradient(ellipse 60% 70% at 0% 0%, rgba(255, 107, 26, .2), transparent 60%),
        var(--c-ink-2);
}
.request__layout { display: grid; gap: 32px; }
@media (min-width: 1000px) {
    .request__layout { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 64px; align-items: start; }
}
.request__lead { margin: 20px 0 0; font-size: 1.0625rem; color: rgba(255, 255, 255, .72); }
.request__points { display: grid; gap: 12px; margin: 28px 0; padding: 0; list-style: none; }
.request__points li { display: flex; gap: 12px; align-items: flex-start; color: rgba(255, 255, 255, .86); }
.request__points .icon { margin-top: 3px; color: var(--c-accent); }
.request__mail {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, .3);
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}
.request__mail .icon { color: var(--c-accent); }
.request__card {
    padding: clamp(20px, 3vw, 36px);
    border-radius: var(--radius-l);
    background: var(--c-card);
    color: var(--c-text);
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .6);
}

/* ---------- Форма ---------- */
.form { position: relative; }
.form__hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form__topics { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; padding: 0; border: 0; }
.form__legend {
    width: 100%;
    margin-bottom: 10px;
    padding: 0;
    font: 600 .72rem/1.2 var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--c-muted);
}
.form__grid { display: grid; gap: 14px; }
@media (min-width: 560px) { .form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .field--wide { grid-column: 1 / -1; } }
.field__label { display: block; margin-bottom: 6px; font-size: .8125rem; font-weight: 700; }
.field__req { color: var(--c-accent-ink); }
.field__input {
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid rgba(20, 22, 26, .18);
    border-radius: 14px;
    background: #fafaf8;
    font-size: 1rem;
    font-weight: 500;
    transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field__input::placeholder { color: #9aa0a6; }
.field__input:hover { border-color: rgba(20, 22, 26, .32); }
.field__input:focus { outline: none; border-color: var(--c-accent); background: #fff; box-shadow: 0 0 0 4px rgba(255, 107, 26, .16); }
.field__input[aria-invalid="true"] { border-color: #d92d20; background: #fff6f5; }
.field__input--area { height: auto; min-height: 108px; padding: 14px 16px; line-height: 1.5; resize: vertical; }
.field__error { margin: 6px 0 0; font-size: .8125rem; font-weight: 600; color: var(--c-error); }
.field__error:empty { display: none; }

.field--check { margin-top: 18px; }
.check {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: .875rem;
    line-height: 1.45;
    color: var(--c-muted);
    cursor: pointer;
}
.check__input { position: absolute; left: 0; top: 0; width: 22px; height: 22px; margin: 0; opacity: 0; cursor: pointer; }
.check__box {
    display: grid;
    place-items: center;
    flex: none;
    width: 22px; height: 22px;
    border: 1.5px solid rgba(20, 22, 26, .35);
    border-radius: 6px;
    background: #fff;
    transition: background-color .2s, border-color .2s;
}
.check__icon { width: 14px; height: 14px; color: #111; opacity: 0; transform: scale(.5); transition: opacity .2s, transform .2s var(--ease); }
.check__input:checked + .check__box { border-color: var(--c-accent); background: var(--c-accent); }
.check__input:checked + .check__box .check__icon { opacity: 1; transform: none; }
.check__input:focus-visible + .check__box { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.check__input[aria-invalid="true"] + .check__box { border-color: #d92d20; background: #fff6f5; }
.check a { color: var(--c-text); font-weight: 600; }

.form__footer { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 22px; }
.form__hint { margin: 0; font-size: .8rem; color: var(--c-muted); }
.form__submit { min-height: 56px; padding-inline: 26px; }
.form.is-loading .form__submit { opacity: .75; pointer-events: none; }
.form.is-loading .btn__arrow svg { display: none; }
.form.is-loading .btn__arrow::after {
    content: '';
    width: 14px; height: 14px;
    border: 2px solid rgba(0, 0, 0, .25);
    border-top-color: #111;
    border-radius: 50%;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.form__status { margin-top: 14px; font-size: .9rem; font-weight: 700; }
.form__status:empty { display: none; }
.form__status.is-error { color: var(--c-error); }
.form__status.is-success { color: #067647; }

.form__success { display: none; padding: 28px 8px; text-align: center; }
.form.is-sent > :not(.form__success) { display: none; }
.form.is-sent .form__success { display: block; animation: fade-in .45s var(--ease); }
.form__success-icon {
    display: inline-grid;
    place-items: center;
    width: 66px; height: 66px;
    margin-bottom: 16px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #111;
}
.form__success-icon svg { width: 30px; height: 30px; }
.form__success-title { margin: 0 0 8px; font: 600 1.5rem/1.2 var(--font-display); }
.form__success-text { margin: 0 auto 18px; max-width: 40ch; color: var(--c-muted); }
.form__success:focus { outline: none; }

/* ---------- Контакты и карта ---------- */
.contacts {
    padding: clamp(64px, 8vw, 112px) 0 clamp(40px, 5vw, 64px);
    background: var(--c-ink);
    color: #fff;
}
.contacts__head { margin-bottom: 32px; }
.contacts__layout { display: grid; gap: 16px; }
@media (min-width: 1000px) { .contacts__layout { grid-template-columns: 380px minmax(0, 1fr); gap: 20px; } }
.contacts__card {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: var(--c-ink-3);
}
.contacts__row { display: flex; gap: 14px; align-items: flex-start; }
.contacts__icon {
    display: grid;
    place-items: center;
    flex: none;
    width: 46px; height: 46px;
    border-radius: 13px;
    background: rgba(255, 107, 26, .13);
    color: var(--c-accent);
}
.contacts__icon svg { width: 22px; height: 22px; }
.contacts__label {
    margin: 0;
    font: 500 .68rem/1.2 var(--font-mono);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .5);
}
.contacts__value {
    display: block;
    margin: 5px 0 0;
    font-size: 1.125rem;
    font-weight: 800;
    line-height: 1.35;
    color: #fff;
    text-decoration: none;
}
a.contacts__value:hover { color: var(--c-accent); }
.contacts__actions { display: grid; gap: 10px; margin-top: auto; padding-top: 8px; }

.map {
    position: relative;
    min-height: 380px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: var(--radius-l);
    background: #1a1d20;
}
@media (min-width: 1000px) { .map { min-height: 540px; } }
.map iframe, .map__canvas { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.map__placeholder { position: absolute; inset: 0; }
.map.is-loaded .map__placeholder { display: none; }
.map__pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 40%, rgba(255, 107, 26, .28), transparent 26%),
        linear-gradient(28deg, transparent 49.6%, rgba(255, 255, 255, .16) 49.6% 50.4%, transparent 50.4%),
        linear-gradient(-62deg, transparent 49.7%, rgba(255, 255, 255, .1) 49.7% 50.3%, transparent 50.3%),
        linear-gradient(0deg, transparent 48%, rgba(255, 255, 255, .05) 48% 52%, transparent 52%) 0 0 / 90px 90px,
        linear-gradient(90deg, transparent 48%, rgba(255, 255, 255, .05) 48% 52%, transparent 52%) 0 0 / 90px 90px,
        #1b1f23;
}
.map__pin {
    position: absolute;
    left: 50%; top: 40%;
    transform: translate(-50%, -88%);
    color: var(--c-accent);
    filter: drop-shadow(0 10px 18px rgba(255, 107, 26, .5));
    animation: bob 2.6s ease-in-out infinite;
}
.map__pin svg { width: 54px; height: 54px; fill: rgba(14, 15, 17, .9); }
@keyframes bob { 50% { transform: translate(-50%, -100%); } }
.map__card {
    position: absolute;
    left: 16px; right: 16px; bottom: 16px;
    max-width: 440px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 18px;
    background: rgba(14, 15, 17, .9);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.map__address { margin: 0; font-size: 1.05rem; font-weight: 800; }
.map__note { margin: 4px 0 12px; font-size: .8125rem; color: rgba(255, 255, 255, .6); }

/* ---------- Подвал ---------- */
.footer {
    padding: 64px 0 calc(28px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(255, 255, 255, .06);
    background: #0a0b0c;
    color: rgba(255, 255, 255, .7);
}
.footer__grid { display: grid; gap: 36px; }
@media (min-width: 700px) { .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1.25fr; } }
.logo--footer { color: #fff; }
.footer__about { margin: 18px 0 0; max-width: 42ch; font-size: .9rem; }
.footer__title {
    margin: 0 0 14px;
    font: 600 .72rem/1.2 var(--font-mono);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #fff;
}
.footer__list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.footer__list a { font-size: .9375rem; text-decoration: none; transition: color .2s; }
.footer__list a:hover { color: var(--c-accent); }
.footer__contacts { display: grid; gap: 12px; margin-bottom: 16px; font-style: normal; }
.footer__contact { display: flex; gap: 10px; align-items: flex-start; font-size: .9375rem; color: rgba(255, 255, 255, .85); text-decoration: none; }
.footer__contact .icon { margin-top: 2px; }
a.footer__contact:hover { color: #fff; }
.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 24px;
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: .8125rem;
    color: rgba(255, 255, 255, .45);
}
.footer__bottom p { margin: 0; }

/* ---------- Модальное окно ---------- */
.modal {
    width: 100%;
    max-width: min(640px, calc(100% - 24px));
    max-height: calc(100dvh - 24px);
    margin: auto;
    padding: 0;
    overflow: visible;
    border: 0;
    background: transparent;
    color: var(--c-text);
}
.modal::backdrop { background: rgba(8, 9, 10, .74); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal__panel {
    position: relative;
    max-height: calc(100dvh - 24px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: clamp(22px, 4vw, 40px);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
.modal[open] .modal__panel { animation: modal-in .4s var(--ease); }
@keyframes modal-in { from { opacity: 0; transform: translateY(18px) scale(.98); } }
.modal__close {
    position: absolute;
    right: 14px; top: 14px;
    display: grid;
    place-items: center;
    width: 44px; height: 44px;
    border: 1px solid var(--c-line);
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    transition: background-color .2s;
}
.modal__close:hover { background: var(--c-paper); }
.modal__close svg { width: 20px; height: 20px; }
.modal__title { margin: 0 52px 8px 0; font: 600 clamp(1.4rem, 1.1rem + 1.2vw, 2rem)/1.15 var(--font-display); }
.modal__text { margin: 0 0 22px; color: var(--c-muted); }

/* ---------- Плавающие элементы ---------- */
.to-top {
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    z-index: 40;
    display: grid;
    place-items: center;
    width: 50px; height: 50px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 50%;
    background: var(--c-ink);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity .3s, transform .3s var(--ease);
}
.to-top svg { width: 22px; height: 22px; transform: rotate(180deg); }
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

.mobile-cta {
    position: fixed;
    left: 12px; right: 76px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    z-index: 40;
    min-height: 50px;
    box-shadow: 0 16px 40px -12px rgba(0, 0, 0, .55);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity .3s, transform .3s var(--ease);
}
.mobile-cta.is-visible { opacity: 1; pointer-events: auto; transform: none; }
@media (min-width: 720px) { .mobile-cta { display: none; } }

/* ---------- Появление при прокрутке ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* =====================================================================
   Внутренние страницы
   ===================================================================== */
.page-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: calc(var(--header-h) + 44px) 0 clamp(44px, 6vw, 72px);
    background:
        radial-gradient(ellipse 50% 70% at 85% 20%, rgba(255, 107, 26, .2), transparent 70%),
        var(--c-ink);
    color: #fff;
}
@media (min-width: 900px) { .page-hero { padding-top: calc(var(--topbar-h) + var(--header-h) + 56px); } }
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, #000, transparent 75%);
    mask-image: radial-gradient(ellipse 60% 80% at 80% 30%, #000, transparent 75%);
}
.breadcrumbs { margin-bottom: 22px; font: 500 .75rem/1.4 var(--font-mono); color: rgba(255, 255, 255, .55); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: '/'; margin-right: 8px; opacity: .45; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: #fff; }
.breadcrumbs [aria-current] { color: var(--c-accent); }
.page-hero__title {
    max-width: 20ch;
    margin: 0 0 20px;
    font: 700 clamp(2rem, 1.25rem + 3.2vw, 3.75rem)/1.05 var(--font-display);
    letter-spacing: -.025em;
}
.page-hero__intro { max-width: 64ch; margin: 0; font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem); color: rgba(255, 255, 255, .76); }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    font-size: .8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
}
a.meta-chip:hover { border-color: var(--c-accent); }
.meta-chip .icon { width: 16px; height: 16px; color: var(--c-accent); }

.page-body { padding: clamp(48px, 6vw, 88px) 0 clamp(64px, 8vw, 112px); background: var(--c-paper); }

.doc-layout { display: grid; gap: 32px; }
@media (min-width: 1000px) { .doc-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 64px; align-items: start; } }
.toc { font-size: .9rem; }
@media (min-width: 1000px) { .toc { position: sticky; top: calc(var(--header-h) + 24px); } }
.toc details { border: 1px solid var(--c-line); border-radius: 18px; background: var(--c-card); }
.toc summary {
    display: flex;
    justify-content: space-between;
    padding: 14px 18px;
    list-style: none;
    font: 600 .75rem/1.2 var(--font-mono);
    letter-spacing: .1em;
    text-transform: uppercase;
    cursor: pointer;
}
.toc summary::-webkit-details-marker { display: none; }
.toc summary .icon { transition: transform .3s; }
.toc details[open] summary .icon { transform: rotate(180deg); }
.toc ol { display: grid; gap: 2px; margin: 0; padding: 0 8px 12px; list-style: none; }
.toc a {
    display: block;
    padding: 8px 12px;
    border-left: 2px solid transparent;
    border-radius: 8px;
    color: var(--c-muted);
    text-decoration: none;
    transition: color .2s, background-color .2s, border-color .2s;
}
.toc a:hover { color: var(--c-text); }
.toc a.is-active { border-left-color: var(--c-accent); background: var(--c-paper); color: var(--c-text); font-weight: 700; }

/* Типографика статей. :where() обнуляет специфичность, чтобы компоненты
   внутри текста (формы, CTA, аккордеоны) сохраняли собственные стили. */
.prose { min-width: 0; font-size: 1.0625rem; line-height: 1.72; color: #262a30; }
.prose > :first-child { margin-top: 0; }
:where(.prose) h2 {
    margin: 64px 0 16px;
    font: 600 clamp(1.4rem, 1.1rem + 1.2vw, 2rem)/1.2 var(--font-display);
    letter-spacing: -.015em;
    scroll-margin-top: calc(var(--header-h) + 20px);
}
:where(.prose) h3 { margin: 30px 0 10px; font: 800 1.125rem/1.35 var(--font-body); }
:where(.prose) p { margin: 0 0 16px; }
:where(.prose) ul, :where(.prose) ol { margin: 0 0 18px; padding-left: 1.3em; }
:where(.prose) li { margin: 6px 0; }
:where(.prose) li::marker { color: var(--c-accent-ink); }
:where(.prose) a { color: var(--c-accent-ink); font-weight: 700; }
:where(.prose) strong { color: var(--c-text); }
.page-cta .link-arrow { color: var(--c-accent); }
.page-cta strong { color: #fff; }

.steps { display: grid; gap: 10px; margin: 0 0 20px; padding: 0 !important; list-style: none; counter-reset: step; }
.steps li {
    position: relative;
    margin: 0;
    padding: 18px 20px 18px 66px;
    border: 1px solid var(--c-line);
    border-radius: 18px;
    background: var(--c-card);
    counter-increment: step;
}
.steps li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 18px; top: 17px;
    display: grid;
    place-items: center;
    width: 34px; height: 34px;
    border-radius: 10px;
    background: var(--c-ink);
    color: var(--c-accent);
    font: 600 .8rem/1 var(--font-mono);
}
.steps strong { font-weight: 800; }

.checklist { display: grid; gap: 8px; margin: 0 0 20px; padding: 0 !important; list-style: none; }
.checklist li { margin: 0; }
.checklist label {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 13px 16px;
    border: 1px solid var(--c-line);
    border-radius: 14px;
    background: var(--c-card);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color .2s, background-color .2s;
}
.checklist input { flex: none; width: 19px; height: 19px; margin: 3px 0 0; accent-color: var(--c-accent); cursor: pointer; }
.checklist input:checked + span { color: var(--c-muted); text-decoration: line-through; text-decoration-color: rgba(194, 65, 12, .6); }
.checklist label:has(input:checked) { border-color: rgba(194, 65, 12, .35); background: #fff8f2; }
.checklist__progress { margin: -6px 0 22px; font: 500 .8rem/1.2 var(--font-mono); color: var(--c-muted); }

.callout {
    display: flex;
    gap: 14px;
    margin: 24px 0;
    padding: 18px 20px;
    border: 1px solid rgba(194, 65, 12, .22);
    border-radius: 18px;
    background: #fff3ea;
    font-size: 1rem;
}
.callout .icon { flex: none; margin-top: 3px; color: var(--c-accent-ink); }
.callout p { margin: 0; }
.callout--dark { border-color: transparent; background: var(--c-ink); color: rgba(255, 255, 255, .82); }
.callout--dark .icon { color: var(--c-accent); }
.callout--dark strong { color: #fff; }

.trouble {
    width: 100%;
    margin: 0 0 20px;
    overflow: hidden;
    border: 1px solid var(--c-line);
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 18px;
    background: var(--c-card);
    font-size: .9375rem;
    line-height: 1.5;
}
.trouble th, .trouble td { padding: 14px 16px; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: top; }
.trouble thead th {
    background: var(--c-ink);
    color: #fff;
    font: 600 .7rem/1.3 var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
}
.trouble tbody th { font-weight: 800; color: var(--c-text); }
.trouble tr:last-child > * { border-bottom: 0; }
@media (max-width: 699px) {
    .trouble thead { display: none; }
    .trouble, .trouble tbody, .trouble tr, .trouble th, .trouble td { display: block; width: 100%; }
    .trouble tr { border-bottom: 1px solid var(--c-line); }
    .trouble tr:last-child { border-bottom: 0; }
    .trouble th, .trouble td { border: 0; padding: 4px 16px; }
    .trouble tbody th { padding-top: 16px; background: #faf9f6; }
    .trouble td:last-child { padding-bottom: 16px; }
    .trouble td::before {
        content: attr(data-label);
        display: block;
        font: 600 .66rem/1.4 var(--font-mono);
        letter-spacing: .08em;
        text-transform: uppercase;
        color: var(--c-accent-ink);
    }
}

.params { display: grid; gap: 10px; margin: 0 0 20px; }
@media (min-width: 640px) { .params { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.params div { padding: 16px 18px; border: 1px solid var(--c-line); border-radius: 16px; background: var(--c-card); }
.params dt { font-size: .8125rem; color: var(--c-muted); line-height: 1.4; }
.params dd { margin: 4px 0 0; font: 600 1.2rem/1.2 var(--font-display); color: var(--c-text); }

.figure { margin: 24px 0; overflow: hidden; border: 1px solid var(--c-line); border-radius: 20px; background: #fff; }
.figure figcaption { padding: 12px 16px; font-size: .875rem; color: var(--c-muted); }

.page-cta {
    display: grid;
    gap: 28px;
    margin-top: 64px;
    padding: clamp(22px, 4vw, 44px);
    border-radius: var(--radius-l);
    background:
        radial-gradient(ellipse 60% 80% at 0% 0%, rgba(255, 107, 26, .22), transparent 60%),
        var(--c-ink);
    color: #fff;
    scroll-margin-top: calc(var(--header-h) + 16px);
}
@media (min-width: 1000px) { .page-cta { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: start; } }
.page-cta__title { margin: 0 0 14px; font: 600 clamp(1.4rem, 1.1rem + 1.2vw, 2rem)/1.2 var(--font-display); }
.page-cta__text { margin: 0 0 18px; color: rgba(255, 255, 255, .72); }
.page-cta__links { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.page-cta__form { padding: clamp(20px, 3vw, 32px); border-radius: 22px; background: var(--c-card); color: var(--c-text); }

.related { display: grid; gap: 16px; margin-top: 40px; }
@media (min-width: 800px) { .related { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.related-title { margin: 64px 0 0; font: 600 clamp(1.3rem, 1rem + 1vw, 1.75rem)/1.2 var(--font-display); }

/* Страница отзывов */
.reviews-summary {
    display: grid;
    gap: 24px;
    padding: clamp(22px, 3vw, 32px);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-l);
    background: var(--c-card);
}
@media (min-width: 900px) { .reviews-summary { grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 40px; } }
.dist { display: grid; gap: 7px; }
.dist__row { display: grid; grid-template-columns: 34px minmax(0, 1fr) 20px; gap: 10px; align-items: center; font: 500 .8rem/1 var(--font-mono); color: var(--c-muted); }
.dist__bar { height: 8px; overflow: hidden; border-radius: 999px; background: var(--c-paper); }
.dist__bar span { display: block; width: var(--w); height: 100%; border-radius: inherit; background: var(--c-accent); }
.reviews-summary__text { margin: 0; color: var(--c-muted); }

.filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0 20px; }
.filter__btn {
    padding: 9px 15px;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    background: var(--c-card);
    font-size: .8125rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color .2s, color .2s, border-color .2s;
}
.filter__btn:hover { border-color: rgba(20, 22, 26, .35); }
.filter__btn[aria-pressed="true"] { border-color: var(--c-ink); background: var(--c-ink); color: #fff; }
.filter__btn span { margin-left: 4px; font-family: var(--font-mono); opacity: .6; }
.reviews-list { display: grid; gap: 16px; }
@media (min-width: 900px) { .reviews-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.review.is-hidden { display: none; }

.topics { display: grid; gap: 12px; margin-top: 16px; }
@media (min-width: 700px) { .topics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.topic {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 18px 20px;
    border: 1px solid var(--c-line);
    border-radius: 18px;
    background: var(--c-card);
    color: var(--c-text);
    text-decoration: none;
    transition: border-color .2s, transform .3s var(--ease);
}
.topic:hover { border-color: rgba(194, 65, 12, .45); transform: translateY(-2px); }
.topic__icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--c-ink); color: var(--c-accent); }
.topic__icon svg { width: 20px; height: 20px; }
.topic__title { display: block; font-weight: 800; line-height: 1.3; }
.topic__text { display: block; font-size: .875rem; color: var(--c-muted); }
.topic__go { color: var(--c-accent-ink); }

/* Страница FAQ */
.faq-group + .faq-group { margin-top: 56px; }
.faq-group__title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 14px;
    font: 600 clamp(1.4rem, 1.1rem + 1.2vw, 2rem)/1.2 var(--font-display);
    scroll-margin-top: calc(var(--header-h) + 20px);
}
.faq-group__count { padding: 4px 9px; border-radius: 999px; background: var(--c-ink); color: var(--c-accent); font: 600 .75rem/1 var(--font-mono); }
.faq-group .acc { background: transparent; }
.faq-group .acc__a { font-size: 1.0125rem; line-height: 1.7; }

/* 404 */
.notfound { min-height: 70vh; display: grid; align-content: center; }
.notfound__code { margin: 0; font: 700 clamp(5rem, 3rem + 10vw, 11rem)/.9 var(--font-display); color: var(--c-accent); }

/* ---------- Уменьшение движения ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
    .js .reveal { opacity: 1; transform: none; }
    .hero__waves, .flow__wire i { display: none; }
}

/* ---------- Печать ---------- */
@media print {
    .header, .mobile-menu, .to-top, .mobile-cta, .modal, .hero__bg, .hero__waves, .hero__beam, .map, .form, .burger { display: none !important; }
    body { background: #fff; color: #000; }
    .section--dark, .hero, .contacts, .footer, .page-hero { background: #fff !important; color: #000 !important; }
    .js .reveal { opacity: 1 !important; transform: none !important; }
}