[hidden] { display: none !important; }

/* ===== Темы через CSS-переменные ===== */
:root,
[data-theme="dark"] {
  --bg: #0B0E14; --surface: #0E1117; --surface2: #161B22;
  --border: #1F2630; --border2: #2C3543;
  --text: #F2F4F8; --muted: #9AA4B2;
  --glow: #FFB347; --glow-text: #FFB347; --glow-soft: rgba(255,179,71,.18); --beam: #5FA8FF;
  --halo: rgba(255,179,71,.10);
}
[data-theme="light"] {
  --bg: #F4F6F9; --surface: #FFFFFF; --surface2: #EDF0F4;
  --border: #DDE2E9; --border2: #C7CFD9;
  --text: #12171F; --muted: #5A6573;
  --glow: #D67A16; --glow-text: #A85400; --glow-soft: rgba(214,122,22,.14); --beam: #256EDC;
  --halo: rgba(255,179,71,.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--glow); outline-offset: 2px;
}
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Manrope", system-ui, sans-serif; line-height: 1.5;
  background-image: radial-gradient(60% 40% at 50% -10%, var(--halo), transparent 70%);
  background-repeat: no-repeat; background-attachment: fixed;
  transition: background-color .3s, color .3s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
h1,h2,h3 { font-family: "Unbounded", sans-serif; font-weight: 800; line-height: 1.1; }
.eyebrow { font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--glow-text); }

/* ===== Кнопки ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 8px; padding: 12px 20px; font-weight: 600; cursor: pointer; border: 1px solid transparent; font-size: 15px; transition: .15s; }
.btn--glow { background: var(--glow); color: #0B0E14; }
.btn--glow:hover { filter: brightness(1.1); }
.btn--ghost { border-color: var(--border2); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--glow); color: var(--glow-text); }
.btn--sm { padding: 8px 14px; font-size: 14px; }
.icon-btn { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border2); border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; font-size: 16px; }
.icon-btn:hover { border-color: var(--glow); color: var(--glow-text); }
.badge { background: var(--glow); color: #0B0E14; border-radius: 5px; padding: 0 6px; font-size: 12px; font-weight: 700; margin-left: 6px; }

/* ===== Шапка ===== */
.header { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.header__row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; }
.brand__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--glow); box-shadow: 0 0 12px 2px var(--glow); animation: flicker 6s infinite; }
.brand__name { font-family: "Unbounded", sans-serif; font-weight: 800; font-size: 18px; }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--muted); font-size: 14px; }
.nav a:hover { color: var(--text); }
.header__actions { display: flex; align-items: center; gap: 8px; }

/* ===== Карточки ===== */
.card { border: 1px solid var(--border); background: var(--surface); border-radius: 14px; transition: .25s; }
.card--hover:hover { border-color: color-mix(in srgb, var(--glow) 40%, transparent); box-shadow: 0 12px 50px -12px var(--glow-soft); transform: translateY(-2px); }

/* ===== Сетки ===== */
.grid { display: grid; gap: 16px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); } .grid--2 { grid-template-columns: 1fr; } }

/* ===== Карточка товара ===== */
.product-card { padding: 16px; display: flex; flex-direction: column; }
.product-card__img { position: relative; aspect-ratio: 1; background: var(--bg); border-radius: 10px; overflow: hidden; }
.product-card__img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: .3s; }
.product-card--hover:hover .product-card__img img { transform: scale(1.05); }
.product-card h3 { font-size: 16px; margin: 4px 0 0; }
.product-card__foot { margin-top: 12px; display: flex; align-items: center; justify-content: space-between; }
.product-slider img { display: none; }
.product-slider img.active { display: block; }
.slider__arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; background: rgba(0,0,0,.5); color: #fff; border: 0; border-radius: 50%; width: 28px; height: 28px; font-size: 22px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .2s; padding: 0; }
.product-slider:hover .slider__arrow { opacity: 1; }
.slider__prev { left: 6px; }
.slider__next { right: 6px; }
.slider__arrow:hover { background: var(--glow); color: #000; }
.slider__dots { position: absolute; bottom: 6px; left: 0; right: 0; display: flex; justify-content: center; gap: 5px; pointer-events: none; }
.slider__dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.35); transition: background .2s; }
.slider__dot.active { background: var(--glow); }

/* Степпер количества */
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--border2); border-radius: 8px; }
.stepper--glow { border-color: color-mix(in srgb, var(--glow) 50%, transparent); }
.stepper button { background: transparent; border: 0; color: var(--glow-text); cursor: pointer; padding: 6px 12px; font-size: 16px; }
.stepper .qty { min-width: 28px; text-align: center; font-family: "JetBrains Mono", monospace; }
.add-link { background: transparent; border: 1px solid var(--border2); color: var(--text); border-radius: 8px; padding: 6px 12px; font-size: 14px; cursor: pointer; }
.add-link:hover { border-color: var(--glow); color: var(--glow-text); }
.back-link { color: var(--muted); white-space: nowrap; }
.back-link:hover { color: var(--glow-text); }

/* ===== Hero ===== */
.hero { padding-top: 80px; padding-bottom: 80px; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero { padding-top: 48px; padding-bottom: 48px; } .hero__grid { grid-template-columns: 1fr; } }
.hero h1 { font-size: clamp(34px, 6vw, 60px); margin: 16px 0; }
.hero .accent { color: var(--glow-text); }

/* Цветовая температура */
.lamp { position: relative; }
.lamp svg { width: 100%; }
.temp { margin-top: 16px; padding: 16px; }
.temp__row { display: flex; justify-content: space-between; font-family: "JetBrains Mono", monospace; font-size: 14px; }
.temp input[type=range] { width: 100%; margin-top: 12px; }
.temp__scale { display: flex; justify-content: space-between; font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--muted); margin-top: 8px; }

/* ===== Доверие ===== */
.trust { padding-top: 64px; padding-bottom: 64px; }
.client { display: flex; align-items: center; gap: 12px; padding: 20px; }
.client__logo { width: 44px; height: 44px; flex: 0 0 auto; object-fit: contain; border-radius: 10px; background: #fff; padding: 4px; }

/* ===== Характеристики ===== */
.specs { margin-top: 8px; }
.specs__row { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); padding: 10px 0; }
.specs__row .l { color: var(--muted); font-size: 14px; }
.specs__row .v { font-family: "JetBrains Mono", monospace; font-size: 14px; }

/* ===== Чертежи/галерея ===== */
.prod-gallery-wrap { position: relative; }
.prod-gallery-wrap .slider__arrow { opacity: 0; }
.prod-gallery-wrap:hover .slider__arrow { opacity: 1; }
.prod-prev { left: 10px; }
.prod-next { right: 10px; }
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.thumb { position: relative; aspect-ratio: 1; overflow: hidden; cursor: pointer; }
.thumb img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.thumb.active { border-color: var(--glow); }
.draw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 16px; }
@media (max-width: 700px) { .draw-grid, .thumbs { grid-template-columns: repeat(2, 1fr); } }
.draw figure { margin: 0; }
.draw__img { position: relative; aspect-ratio: 4/3; background: #fff; border-radius: 12px 12px 0 0; overflow: hidden; cursor: zoom-in; }
.draw__img img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.draw figcaption { border-top: 1px solid var(--border); padding: 8px; text-align: center; font-size: 12px; color: var(--muted); }

/* Лайтбокс */
.lightbox { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.85); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; }
.lightbox img { max-height: 90vh; max-width: 90vw; width: auto; background: #fff; border-radius: 10px; padding: 12px; }
.lightbox__close { position: absolute; top: 18px; right: 22px; font-size: 32px; color: #fff; background: none; border: 0; cursor: pointer; }
.lightbox__arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.15); color: #fff; border: 0; border-radius: 50%; width: 48px; height: 48px; font-size: 28px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.lightbox__arrow:hover { background: var(--glow); color: #000; }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
.lightbox__cap { color: rgba(255,255,255,.8); margin-top: 12px; font-size: 14px; }

/* ===== Формы ===== */
.field { width: 100%; border: 1px solid var(--border2); background: var(--bg); color: var(--text); border-radius: 8px; padding: 11px 14px; font: inherit; }
.field:focus { outline: none; border-color: var(--glow); }
label.lbl { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.alert { border-radius: 8px; padding: 10px 14px; margin-top: 12px; font-size: 14px; }
.alert--error { background: rgba(255,80,80,.12); color: #ff8585; }
.alert--success { background: var(--glow-soft); color: var(--glow-text); }
.flashes { margin-top: 16px; }

/* ===== Таблица админки ===== */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; color: var(--muted); background: var(--surface2); padding: 12px; }
.table td { padding: 12px; border-top: 1px solid var(--border); }
.table .num { width: 64px; text-align: center; font-family: "JetBrains Mono", monospace; padding: 4px; }

/* ===== Заявки ===== */
.lead { width: 100%; text-align: left; padding: 16px; display: flex; justify-content: space-between; gap: 16px; align-items: center; cursor: pointer; }
.lead__dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-new    { background: #FFB347; box-shadow: 0 0 6px #FFB34788; }
.dot-called { background: #4CAF50; box-shadow: 0 0 6px #4CAF5088; }
.dot-return { background: #E67E22; box-shadow: 0 0 6px #E67E2288; }
.dot-closed { background: var(--muted); }
.modal { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; padding: 16px; }

/* ===== Утилиты ===== */
.section { padding-top: 56px; padding-bottom: 56px; }
.stat { padding: 20px; }
.stat__v { font-family: "Unbounded", sans-serif; font-weight: 800; font-size: 24px; color: var(--glow-text); }
.stat-figure { font-family: "Unbounded", sans-serif; font-weight: 800; font-size: 36px; line-height: 1; color: var(--glow-text); }
.flex { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt40{margin-top:40px}

@keyframes flicker { 0%,100%{opacity:1} 92%{opacity:1} 94%{opacity:.7} 96%{opacity:1} }
@media (prefers-reduced-motion: reduce) { html{scroll-behavior:auto} .brand__dot{animation:none} .card--hover:hover{transform:none} }

/* ===== Мобильный адаптив (≤ 480px) ===== */
@media (max-width: 480px) {
  body { overflow-x: hidden; }
  .container { padding: 0 16px; }
  .section { padding-top: 36px; padding-bottom: 36px; }
  .trust { padding-top: 36px; padding-bottom: 36px; }

  /* Все сетки — одна колонка */
  .grid--4, .grid--2 { grid-template-columns: 1fr; }

  /* Клиенты — горизонтальная лента с прокруткой */
  .trust .grid--4 {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding-bottom: 4px;
    grid-template-columns: unset;
    /* скрыть полосу прокрутки */
    scrollbar-width: none;
  }
  .trust .grid--4::-webkit-scrollbar { display: none; }
  .trust .card.client {
    min-width: 72vw;
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  /* Шапка */
  .header__actions .btn { display: none; } /* скрыть кнопку «Заявка» — она в мобильном меню */

  /* Hero */
  .hero h1 { font-size: 28px; }
  .hero .flex { flex-direction: column; align-items: flex-start; }

  /* Карточки товара */
  .product-card__foot { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Таблица реквизитов */
  .between { flex-wrap: wrap; gap: 4px; }
  #req-table .between { flex-wrap: nowrap; }

  /* Страница товара */
  .hero__grid { gap: 24px; }
  .thumbs { grid-template-columns: repeat(3, 1fr); }

  /* Чертежи */
  .draw-grid { grid-template-columns: repeat(2, 1fr); }

  /* Кнопка наверх — чуть поменьше */
  .back-top { width: 36px; height: 36px; font-size: 15px; bottom: 16px; right: 16px; }
}

/* Активный пункт меню */
.nav--active { color: var(--text) !important; font-weight: 600; }

/* Мобильное меню */
.menu-btn { display: none; }
@media (max-width: 680px) { .nav { display: none; } .menu-btn { display: inline-flex; } }
.mobile-nav { position: fixed; top: 64px; left: 0; right: 0; z-index: 39; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.mobile-nav__links { display: grid; padding: 8px 20px 16px; }
.mobile-nav__links a { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 16px; color: var(--muted); }
.mobile-nav__links a:last-child { border-bottom: 0; }
.mobile-nav__links a:hover, .mobile-nav__links .nav--active { color: var(--text); }

/* Кнопка наверх */
.back-top { position: fixed; bottom: 24px; right: 24px; z-index: 50; width: 42px; height: 42px; border-radius: 50%; background: var(--glow); color: #0B0E14; border: 0; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(12px); transition: opacity .3s, transform .3s; pointer-events: none; }
.back-top.visible { opacity: 1; transform: none; pointer-events: auto; }

/* Подвал */
.footer { margin-top: 80px; border-top: 1px solid var(--border); background: var(--surface); }
.footer__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; padding-top: 48px; padding-bottom: 48px; }
@media (max-width: 680px) { .footer__grid { grid-template-columns: 1fr; gap: 24px; } }
.footer__links { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.footer__links a { color: var(--muted); } .footer__links a:hover { color: var(--text); }
.footer__bottom { padding-top: 18px; padding-bottom: 18px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); }