/* ==========================================================================
   ВОЛЬТ125 — сайт частного электрика
   style.css · тёмная тема по умолчанию + светлая
   ========================================================================== */

/* ---------- 1. Переменные и сброс ---------- */
:root {
  /* тёмная тема — шлифованная сталь */
  --bg: #14171b;
  --bg-2: #1b1f24;
  --bg-3: #23282e;
  --surface: rgba(255, 255, 255, .05);
  --surface-2: rgba(255, 255, 255, .09);
  --border: rgba(255, 255, 255, .12);
  --border-2: rgba(255, 255, 255, .22);
  --text: #eceff2;
  --text-2: #b3bac2;
  --text-3: #828a93;

  --brush-a: rgba(255, 255, 255, .035);
  --brush-b: rgba(0, 0, 0, .16);
  --sheen-a: rgba(255, 255, 255, .09);
  --sheen-b: rgba(255, 255, 255, .04);

  --amber: #ffc93c;
  --amber-2: #ff9f1c;
  --cyan: #22d3ee;
  --green: #3ddc97;
  --red: #ff5c6c;

  --grad: linear-gradient(120deg, var(--amber) 0%, var(--amber-2) 55%, #ff7a45 100%);
  --grad-cool: linear-gradient(120deg, var(--cyan), #6366f1);
  --glow: 0 0 0 1px rgba(255, 201, 60, .25), 0 18px 50px -18px rgba(255, 201, 60, .45);

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --shadow: 0 24px 60px -28px rgba(0, 0, 0, .8);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --header-h: 76px;

  --f-display: "Unbounded", "Manrope", system-ui, sans-serif;
  --f-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

html[data-theme="light"] {
  /* светлая тема — шлифованное серебро */
  --bg: #c9cdd3;
  --bg-2: #dfe2e7;
  --bg-3: #d3d7dd;
  --surface: rgba(255, 255, 255, .55);
  --surface-2: rgba(255, 255, 255, .75);
  --border: rgba(22, 26, 31, .16);
  --border-2: rgba(22, 26, 31, .3);
  --text: #14181d;
  --text-2: #3e454d;
  --text-3: #646c75;

  --brush-a: rgba(255, 255, 255, .55);
  --brush-b: rgba(22, 26, 31, .05);
  --sheen-a: rgba(255, 255, 255, .7);
  --sheen-b: rgba(255, 255, 255, .35);

  --amber: #b45309;
  --amber-2: #ea580c;
  --grad: linear-gradient(120deg, #f59e0b 0%, #ea580c 60%, #dc2626 100%);
  --shadow: 0 24px 50px -30px rgba(13, 21, 36, .45);
  --glow: 0 0 0 1px rgba(234, 88, 12, .3), 0 18px 40px -20px rgba(234, 88, 12, .5);
}

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

* { margin: 0; padding: 0; }

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

body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  transition: background .5s var(--ease), color .5s var(--ease);
}

/* металлическая фактура: шлифовка + блик поверх фона */
body::before {
  content: "";
  position: fixed; inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    repeating-linear-gradient(100deg, var(--brush-a) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(100deg, var(--brush-b) 0 5px, transparent 5px 13px);
}
body::after {
  content: "";
  position: fixed; inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 520px at 78% -12%, var(--sheen-a), transparent 62%),
    radial-gradient(900px 480px at 6% 108%, var(--sheen-b), transparent 60%),
    linear-gradient(115deg, transparent 30%, var(--sheen-b) 46%, transparent 62%);
}

body.is-locked { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: var(--amber); color: #10131a; }

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

/* Скроллбар */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--amber), var(--amber-2)); border-radius: 99px; border: 2px solid var(--bg-2); }

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

/* ---------- 2. Каркас ---------- */
.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.container--narrow { width: min(900px, 100% - 40px); }

.section { position: relative; padding: 110px 0; }
.section--alt {
  background:
    radial-gradient(900px 400px at 15% 0%, rgba(255, 201, 60, .07), transparent 60%),
    var(--bg-2);
  border-block: 1px solid var(--border);
}

.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head--center { margin-inline: auto; text-align: center; }

.sec-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber);
  background: rgba(255, 201, 60, .1);
  border: 1px solid rgba(255, 201, 60, .25);
  padding: 7px 14px; border-radius: 99px; margin-bottom: 18px;
}
.sec-tag svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

.sec-title {
  font-family: var(--f-display);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.02em;
}
.sec-title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.sec-sub { color: var(--text-2); margin-top: 16px; font-size: 17px; max-width: 60ch; }

/* ---------- 3. Кнопки ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px;
  border-radius: 99px;
  font-weight: 700; font-size: 15px; letter-spacing: -.01em;
  white-space: nowrap;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s, border-color .3s;
  overflow: hidden;
  isolation: isolate;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s var(--ease); }
.btn:hover svg { transform: translateX(3px) scale(1.06); }
.btn--sm { padding: 10px 20px; font-size: 14px; }
.btn--lg { padding: 17px 32px; font-size: 16px; }

.btn--primary {
  background: var(--grad);
  color: #14161c;
  box-shadow: 0 14px 34px -14px rgba(255, 159, 28, .8);
}
.btn--primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, .65) 50%, transparent 80%);
  transform: translateX(-120%);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 22px 46px -16px rgba(255, 159, 28, .95); }
.btn--primary:hover::after { animation: sheen .9s var(--ease); }

@keyframes sheen { to { transform: translateX(120%); } }

.btn--ghost {
  border: 1px solid var(--border-2);
  color: var(--text);
  background: var(--surface);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--amber); color: var(--amber); box-shadow: var(--glow); }

.sec-cta {
  margin-top: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding: 28px 32px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(120deg, var(--surface), transparent);
}
.sec-cta p { color: var(--text-2); max-width: 62ch; }

/* ---------- 4. Прелоадер ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .6s ease, visibility .6s;
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__inner { text-align: center; }
.preloader__bolt {
  width: 62px; height: 62px; margin: 0 auto 22px;
  fill: var(--amber);
  filter: drop-shadow(0 0 22px rgba(255, 201, 60, .8));
  animation: bolt 1.1s var(--ease) infinite;
}
@keyframes bolt {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
  35% { transform: scale(1.22) rotate(-8deg); opacity: .55; }
  60% { transform: scale(.96) rotate(5deg); opacity: 1; }
}
.preloader__bar { width: 190px; height: 3px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 40%; border-radius: 99px; background: var(--grad); animation: load 1.15s var(--ease) infinite; }
@keyframes load { 0% { transform: translateX(-110%); } 100% { transform: translateX(320%); } }
.preloader__inner p { margin-top: 16px; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }

/* ---------- 5. Полоса прокрутки ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 900; background: transparent; }
.scroll-progress span {
  display: block; height: 100%; width: 0%;
  background: var(--grad);
  box-shadow: 0 0 14px rgba(255, 201, 60, .8);
  transition: width .1s linear;
}

/* ---------- 6. Шапка ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .4s var(--ease), box-shadow .4s, height .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
.header.is-stuck {
  height: 64px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: 0 12px 30px -24px rgba(0, 0, 0, .9);
}
.header__in { display: flex; align-items: center; gap: 26px; }

.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.logo__mark {
  width: 42px; height: 42px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--grad);
  box-shadow: 0 8px 22px -8px rgba(255, 159, 28, .9);
  transition: transform .5s var(--ease);
}
.logo:hover .logo__mark { transform: rotate(-12deg) scale(1.06); }
.logo__mark svg { width: 22px; height: 22px; fill: #14161c; }
.logo__text {
  font-family: var(--f-display); font-weight: 700; font-size: 19px; letter-spacing: .02em; line-height: 1;
  display: grid; gap: 3px;
}
.logo__text em { font-style: normal; color: var(--amber); }
.logo__text b { font-weight: 700; white-space: nowrap; }
.logo__text small {
  font-family: var(--f-body); font-weight: 600; font-size: 10.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text-3);
}

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative;
  padding: 9px 14px; border-radius: 99px;
  font-size: 14.5px; font-weight: 600; color: var(--text-2);
  transition: color .3s, background .3s;
}
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px;
  background: var(--grad); border-radius: 99px;
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--text); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__cta { margin-left: 12px; }

.header__right { display: flex; align-items: center; gap: 12px; }

.header__phone {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 16px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  font-weight: 700; font-size: 14.5px;
  transition: border-color .3s, color .3s, transform .3s var(--ease), box-shadow .3s;
}
.header__phone svg { width: 16px; height: 16px; fill: none; stroke: var(--amber); stroke-width: 1.8; }
.header__phone:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); box-shadow: var(--glow); }

.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface);
  transition: border-color .3s, transform .5s var(--ease), background .3s;
}
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: var(--text-2); stroke-width: 1.8; stroke-linecap: round; transition: stroke .3s; }
.theme-toggle:hover { border-color: var(--amber); transform: rotate(30deg); }
.theme-toggle:hover svg { stroke: var(--amber); }
.ico-moon { display: none; }
html[data-theme="light"] .ico-sun { display: none; }
html[data-theme="light"] .ico-moon { display: block; }

.burger { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.burger span { display: block; width: 18px; height: 2px; margin: 3.5px auto; border-radius: 2px; background: var(--text); transition: transform .4s var(--ease), opacity .3s; }
.burger.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- 7. Герой ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 60px) 0 90px;
  overflow: hidden;
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__glow {
  position: absolute; z-index: 0;
  width: 900px; height: 900px; left: var(--mx, 50%); top: var(--my, 30%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 201, 60, .16), rgba(34, 211, 238, .07) 42%, transparent 66%);
  filter: blur(10px);
  pointer-events: none;
  transition: left .6s var(--ease), top .6s var(--ease);
}
.hero__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  opacity: .5;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 160px; z-index: 1;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}

.hero__in { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: 60px; align-items: center; }

@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

.hero__title {
  font-family: var(--f-display);
  font-size: clamp(38px, 7.2vw, 78px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -.03em;
}
.line { display: block; overflow: hidden; padding-bottom: .06em; }
.line__in {
  display: block;
  transform: translateY(115%);
  animation: lineUp 1s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}
.line__in--accent {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
@keyframes lineUp { to { transform: translateY(0); } }

.hero__text { margin-top: 26px; max-width: 54ch; color: var(--text-2); font-size: 17.5px; }

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }

.hero__points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 38px; }
.hero__points li { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.hero__points svg { width: 16px; height: 16px; fill: none; stroke: var(--green); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; z-index: 3;
  width: 26px; height: 42px; border-radius: 99px;
  border: 1.5px solid var(--border-2);
  transform: translateX(-50%);
  display: grid; place-items: start center; padding-top: 7px;
}
.hero__scroll span { width: 3px; height: 8px; border-radius: 99px; background: var(--amber); animation: scrollDot 1.8s var(--ease) infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 0 } 40% { opacity: 1 } 100% { transform: translateY(16px); opacity: 0 } }

/* ---------- 8. Бегущая строка ---------- */
.marquee {
  overflow: hidden; position: relative;
  padding: 18px 0;
  border-block: 1px solid var(--border);
  background: var(--bg-2);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex; align-items: center; gap: 30px; width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  font-family: var(--f-display); font-size: 15px; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--text-3); white-space: nowrap;
}
.marquee__track i { font-style: normal; color: var(--amber); font-size: 14px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 9. Цифры ---------- */
.stats { padding: 80px 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), transparent);
  overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.stat::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad); transform: scaleY(0); transform-origin: top;
  transition: transform .5s var(--ease);
}
.stat:hover { transform: translateY(-6px); border-color: rgba(255, 201, 60, .35); box-shadow: var(--shadow); }
.stat:hover::before { transform: scaleY(1); }
.stat__num {
  font-family: var(--f-display); font-size: clamp(38px, 5vw, 56px); font-weight: 700; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__suffix { font-family: var(--f-display); font-size: 20px; font-weight: 600; color: var(--text-2); margin-left: 6px; }
.stat p { margin-top: 12px; color: var(--text-2); font-size: 14.5px; }

/* ---------- 10. Карточки услуг ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  position: relative;
  padding: 30px 26px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, var(--surface), transparent 70%),
    var(--bg-2);
  overflow: hidden;
  transition: transform .5s var(--ease), border-color .5s, box-shadow .5s;
  transform-style: preserve-3d;
}
.card:hover { border-color: rgba(255, 201, 60, .4); box-shadow: var(--shadow); }
.card__shine {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .5s;
  background: radial-gradient(340px circle at var(--cx, 50%) var(--cy, 50%), rgba(255, 201, 60, .16), transparent 62%);
}
.card:hover .card__shine { opacity: 1; }

.card__ico {
  position: relative;
  width: 56px; height: 56px; border-radius: 17px;
  display: grid; place-items: center; margin-bottom: 22px;
  background: rgba(255, 201, 60, .1);
  border: 1px solid rgba(255, 201, 60, .22);
  transition: transform .5s var(--ease), background .5s, box-shadow .5s;
}
.card__ico svg { width: 26px; height: 26px; fill: none; stroke: var(--amber); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: stroke .4s; }
.card:hover .card__ico {
  transform: rotate(-8deg) scale(1.06);
  background: var(--grad);
  box-shadow: 0 14px 30px -12px rgba(255, 159, 28, .85);
}
.card:hover .card__ico svg { stroke: #14161c; }

.card h3 { font-family: var(--f-display); font-size: 17.5px; font-weight: 600; line-height: 1.25; margin-bottom: 11px; letter-spacing: -.01em; }
.card p { color: var(--text-2); font-size: 14.5px; line-height: 1.62; }
.card__price {
  display: inline-block; margin-top: 20px;
  font-size: 13.5px; font-weight: 800; letter-spacing: .02em;
  color: var(--amber);
  padding: 6px 13px; border-radius: 99px;
  background: rgba(255, 201, 60, .1); border: 1px dashed rgba(255, 201, 60, .3);
}

/* ---------- 11. Цены ---------- */
.prices__wrap {
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-3);
}
.price-row {
  position: relative;
  display: grid; grid-template-columns: 1fr 190px 130px; gap: 18px; align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: background .35s, padding-left .35s var(--ease);
}
.price-row:last-child { border-bottom: 0; }
.price-row > span:first-child { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.price-row > span:first-child svg { width: 19px; height: 19px; flex: 0 0 auto; fill: none; stroke: var(--text-3); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: stroke .35s, transform .45s var(--ease); }
.price-row > span:nth-child(2) { font-family: var(--f-display); font-weight: 700; font-size: 17px; color: var(--amber); }
.price-row > span:nth-child(3) { color: var(--text-3); font-size: 14px; }
.price-row::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad); transform: scaleY(0); transition: transform .4s var(--ease);
}
.price-row:hover { background: var(--surface); padding-left: 32px; }
.price-row:hover::before { transform: scaleY(1); }
.price-row:hover > span:first-child svg { stroke: var(--amber); transform: scale(1.14) rotate(-6deg); }
.price-row--head {
  background: var(--surface-2);
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .13em; color: var(--text-3); font-weight: 700;
}
.price-row--head:hover { background: var(--surface-2); padding-left: 24px; }
.price-row--head::before { display: none; }
.price-row.popular { background: linear-gradient(90deg, rgba(255, 201, 60, .09), transparent 65%); }
.price-row .tag {
  justify-self: end;
  font-size: 11px; font-style: normal; font-weight: 800; text-transform: uppercase; letter-spacing: .1em;
  color: #14161c; background: var(--grad); padding: 4px 10px; border-radius: 99px;
}
.prices__note { margin-top: 20px; color: var(--text-3); font-size: 14px; }

/* ---------- 12. Шаги ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step {
  position: relative;
  padding: 30px 24px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), transparent);
  transition: transform .5s var(--ease), border-color .5s, box-shadow .5s;
}
.step:hover { transform: translateY(-8px); border-color: rgba(255, 201, 60, .4); box-shadow: var(--shadow); }
.step::after {
  content: ""; position: absolute; top: 50%; right: -19px; width: 19px; height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}
.step:last-child::after { display: none; }
.step__num {
  position: absolute; top: 18px; right: 20px;
  font-family: var(--f-display); font-size: 40px; font-weight: 900; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.4px var(--border-2);
  transition: -webkit-text-stroke-color .5s;
}
.step:hover .step__num { -webkit-text-stroke-color: rgba(255, 201, 60, .55); }
.step__ico {
  width: 50px; height: 50px; border-radius: 15px; margin-bottom: 20px;
  display: grid; place-items: center;
  background: var(--grad); box-shadow: 0 12px 26px -12px rgba(255, 159, 28, .8);
}
.step__ico svg { width: 24px; height: 24px; fill: none; stroke: #14161c; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.step h3 { font-family: var(--f-display); font-size: 16.5px; font-weight: 600; margin-bottom: 10px; }
.step p { color: var(--text-2); font-size: 14px; }

/* ---------- 13. Работы ---------- */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter {
  position: relative;
  padding: 10px 20px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  font-size: 14px; font-weight: 700; color: var(--text-2);
  transition: color .3s, border-color .3s, background .3s, transform .3s var(--ease);
}
.filter:hover { color: var(--text); transform: translateY(-2px); border-color: var(--border-2); }
.filter.is-active { background: var(--grad); color: #14161c; border-color: transparent; box-shadow: 0 12px 26px -14px rgba(255, 159, 28, .9); }

.works__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.work {
  position: relative;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-3);
  cursor: pointer;
  transition: transform .5s var(--ease), box-shadow .5s, border-color .5s, opacity .4s;
}
.work:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(255, 201, 60, .35); }
.work.is-hidden { display: none; }
.work.is-out { animation: fadeOut .35s var(--ease) forwards; }
.work.is-in { animation: fadeIn .5s var(--ease) backwards; }
@keyframes fadeOut { to { opacity: 0; transform: scale(.94); } }
@keyframes fadeIn { from { opacity: 0; transform: scale(.94) translateY(14px); } }

.work__cover {
  position: relative; height: 200px; display: grid; place-items: center; overflow: hidden;
  background:
    radial-gradient(120% 120% at 20% 10%, rgba(255, 255, 255, .12), transparent 55%),
    var(--cover-1, #1b2438);
}
.work[data-color="1"] .work__cover { --cover-1: linear-gradient(135deg, #243049, #121a2b); }
.work[data-color="2"] .work__cover { --cover-1: linear-gradient(135deg, #2a2338, #141a2b); }
.work[data-color="3"] .work__cover { --cover-1: linear-gradient(135deg, #16303a, #0f1c26); }
.work[data-color="4"] .work__cover { --cover-1: linear-gradient(135deg, #33291c, #1b1710); }
.work[data-color="5"] .work__cover { --cover-1: linear-gradient(135deg, #1d2b3f, #101827); }
.work[data-color="6"] .work__cover { --cover-1: linear-gradient(135deg, #3a1f26, #1c1015); }
.work__cover > svg {
  width: 74px; height: 74px; fill: none; stroke: var(--amber); stroke-width: 1.1;
  stroke-linecap: round; stroke-linejoin: round; opacity: .55;
  transition: transform .6s var(--ease), opacity .5s;
}
.work:hover .work__cover > svg { transform: scale(1.14) rotate(-6deg); opacity: .9; }
.work__lines {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, .05) 0 2px, transparent 2px 16px);
  opacity: .6;
}
.work__body { padding: 20px 22px 22px; }
.work__body h3 { font-family: var(--f-display); font-size: 16.5px; font-weight: 600; margin-bottom: 6px; }
.work__body p { color: var(--text-3); font-size: 13.5px; }
.work__zoom {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .8);
  transform: scale(0) rotate(-45deg); transition: transform .45s var(--ease);
}
.work__zoom svg { width: 18px; height: 18px; fill: none; stroke: #14161c; stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }
.work:hover .work__zoom { transform: scale(1) rotate(0deg); }

/* ---------- 14. Маленький план ---------- */
.plan {
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--surface), transparent 60%), var(--bg-2);
  padding: 34px 36px;
  box-shadow: var(--shadow);
}
.plan__head { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.plan__title { font-family: var(--f-display); font-weight: 700; font-size: clamp(20px, 3vw, 28px); }
.plan__sub { color: var(--text-2); font-size: 15px; line-height: 1.65; max-width: 62ch; }

.plan__tools { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.plan__tool {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); font-family: var(--f-body); font-size: 13.5px; font-weight: 700;
  cursor: pointer;
  transition: border-color .3s, color .3s, transform .3s var(--ease), background .3s, box-shadow .3s;
}
.plan__tool svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; }
.plan__tool:hover { border-color: var(--amber); color: var(--text); transform: translateY(-2px); }
.plan__tool.is-active {
  background: var(--grad); color: #14161c; border-color: transparent;
  box-shadow: 0 10px 24px -12px rgba(255, 159, 28, .8);
}
.plan__tool--ghost { margin-left: auto; border-style: dashed; }

.plan__presets { position: relative; margin-left: auto; }
.plan__preset-menu {
  position: absolute; z-index: 6; top: calc(100% + 8px); right: 0;
  display: grid; gap: 2px; min-width: 190px;
  padding: 8px; border-radius: var(--r);
  border: 1px solid var(--border-2);
  background: var(--bg-2);
  box-shadow: var(--shadow);
}
.plan__preset-menu[hidden] { display: none; }
.plan__preset-menu button {
  text-align: left; padding: 9px 12px; border-radius: 10px;
  border: 0; background: transparent; color: var(--text-2);
  font-family: var(--f-body); font-size: 13.5px; font-weight: 700; cursor: pointer;
  transition: background .25s, color .25s;
}
.plan__preset-menu button:hover { background: var(--surface-2); color: var(--text); }

.plan__body {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: center;
  margin-top: 24px;
}
.plan__svg { width: 100%; height: auto; display: block; cursor: crosshair; touch-action: manipulation; }
.plan__svg [data-type] { cursor: pointer; }
.plan__svg [data-type]:hover { filter: brightness(1.45); }
.plan__wall-line { fill: none; stroke: var(--border-2); stroke-width: 2.5; stroke-linecap: round; }
.plan__wall-line--preview { stroke: var(--amber); stroke-dasharray: 5 4; opacity: .85; }
.plan__wall-hit { fill: none; stroke: transparent; stroke-width: 18; }
.plan__handle { fill: var(--bg-2); stroke: var(--amber); stroke-width: 1.6; cursor: grab; }
.plan__wall-hit, .plan__handle { pointer-events: none; }
.plan__svg[data-tool="wall"] .plan__wall-hit, .plan__svg[data-tool="wall"] .plan__handle { pointer-events: auto; }
.plan__svg[data-tool="erase"] .plan__wall-hit { pointer-events: stroke; }
.plan__svg[data-tool="window"] .plan__wall-hit, .plan__svg[data-tool="door"] .plan__wall-hit { pointer-events: stroke; }

.plan__win { fill: none; stroke: var(--cyan); stroke-width: 1.4; }
.plan__door-leaf { fill: none; stroke: var(--amber-2); stroke-width: 1.4; stroke-linecap: round; }
.plan__door-arc { fill: none; stroke: var(--amber-2); stroke-width: 1; stroke-dasharray: 3 3; opacity: .8; }
.plan__open-hit { fill: none; stroke: transparent; stroke-width: 16; }
.plan__open-handle { fill: var(--bg-2); stroke: var(--cyan); stroke-width: 1.4; cursor: grab; }
g[data-otype="door"] .plan__open-handle { stroke: var(--amber-2); }
.plan__open-hit, .plan__open-handle { pointer-events: none; }
.plan__svg[data-tool="window"] g[data-otype="window"] .plan__open-hit,
.plan__svg[data-tool="window"] g[data-otype="window"] .plan__open-handle { pointer-events: auto; }
.plan__svg[data-tool="door"] g[data-otype="door"] .plan__open-hit,
.plan__svg[data-tool="door"] g[data-otype="door"] .plan__open-handle { pointer-events: auto; }
.plan__svg[data-tool="erase"] .plan__open-hit { pointer-events: stroke; }
.plan__svg[data-tool="door"] g[data-otype="door"] .plan__open-hit { cursor: pointer; }
.plan__node { transform-box: fill-box; transform-origin: center; animation: planPulse 2.6s ease-in-out infinite; }
.plan__node--shield { fill: var(--amber); }
.plan__node--socket { fill: var(--cyan, #35d0e0); }
.plan__node--light { fill: var(--amber); opacity: .85; }
.plan__node--low { fill: #7ee787; }
.plan__node:nth-of-type(2n) { animation-delay: .5s; }
.plan__node:nth-of-type(3n) { animation-delay: 1s; }
.plan__node:nth-of-type(5n) { animation-delay: 1.5s; }
@keyframes planPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.45); opacity: .55; }
}
.plan__legend { list-style: none; display: grid; gap: 12px; }
.plan__legend li { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 14.5px; }
.plan__legend li b { margin-left: auto; color: var(--text); font-size: 15px; }
.plan__side { display: grid; gap: 18px; align-content: start; }
.plan__cable { border-top: 1px dashed var(--border-2); padding-top: 14px; display: grid; gap: 2px; }
.plan__cable small { color: var(--text-3); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.plan__cable strong {
  font-family: var(--f-display); font-size: 26px; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.plan__hint { color: var(--text-3); font-size: 13px; line-height: 1.55; }
.plan__dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.plan__dot--shield { border-radius: 3px; background: var(--amber); }
.plan__dot--socket { background: var(--cyan, #35d0e0); }
.plan__dot--light { background: var(--amber); opacity: .85; }
.plan__dot--low { background: #7ee787; }
.plan__dot--wall { width: 14px; height: 3px; border-radius: 2px; background: var(--text-2); }
.plan__dot--window { width: 14px; height: 3px; border-radius: 2px; background: var(--cyan); }
.plan__dot--door { width: 14px; height: 3px; border-radius: 2px; background: var(--amber-2); }

/* ---------- 15. FAQ ---------- */
.accordion { display: grid; gap: 12px; }
.acc {
  border: 1px solid var(--border); border-radius: var(--r); overflow: hidden;
  background: var(--bg-3);
  transition: border-color .4s, background .4s;
}
.acc:hover { border-color: var(--border-2); }
.acc[open] { border-color: rgba(255, 201, 60, .4); background: linear-gradient(180deg, rgba(255, 201, 60, .05), transparent 60%), var(--bg-3); }
.acc summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-weight: 700; font-size: 16px;
  transition: color .3s;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary:hover { color: var(--amber); }
.acc summary svg { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: var(--amber); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform .4s var(--ease); }
.acc[open] summary svg { transform: rotate(180deg); }
.acc__body { padding: 0 24px 22px; }
.acc__body p { color: var(--text-2); font-size: 15px; animation: accIn .5s var(--ease); }
@keyframes accIn { from { opacity: 0; transform: translateY(-8px); } }

/* ---------- 16. Контакты: калькулятор, форма, блок ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.contacts { grid-column: 1 / -1; }

.calc, .form, .contacts {
  padding: 32px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(170deg, var(--surface), transparent 60%), var(--bg-2);
}
.calc__title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-display); font-size: 19px; font-weight: 600; margin-bottom: 26px;
}
.calc__title svg { width: 22px; height: 22px; fill: none; stroke: var(--amber); stroke-width: 1.7; }
.calc__group { margin-bottom: 24px; }
.calc__label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--text-3); margin-bottom: 12px; }
.calc__label b { color: var(--amber); font-size: 14px; letter-spacing: 0; text-transform: none; }

.pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  padding: 10px 18px; border-radius: 99px;
  border: 1px solid var(--border); background: var(--surface);
  font-size: 14px; font-weight: 700; color: var(--text-2);
  transition: all .3s var(--ease);
}
.pill:hover { transform: translateY(-2px); border-color: var(--border-2); color: var(--text); }
.pill.is-active { background: var(--grad); color: #14161c; border-color: transparent; }

.range { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; background: var(--surface-2); outline: none; }
.range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--grad); cursor: pointer;
  border: 3px solid var(--bg-2);
  box-shadow: 0 0 0 1px rgba(255, 201, 60, .5), 0 8px 20px -8px rgba(255, 159, 28, .9);
  transition: transform .25s var(--ease);
}
.range::-webkit-slider-thumb:hover { transform: scale(1.16); }
.range::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--amber);
  cursor: pointer; border: 3px solid var(--bg-2);
}

.checks { display: grid; gap: 10px; }
.check { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: var(--text-2); cursor: pointer; user-select: none; transition: color .3s; }
.check:hover { color: var(--text); }
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check span {
  width: 22px; height: 22px; flex: 0 0 auto; border-radius: 7px;
  border: 1.5px solid var(--border-2); background: var(--surface);
  display: grid; place-items: center;
  transition: background .3s, border-color .3s, transform .3s var(--ease);
}
.check span::after {
  content: ""; width: 11px; height: 6px;
  border-left: 2.2px solid #14161c; border-bottom: 2.2px solid #14161c;
  transform: rotate(-45deg) scale(0); transition: transform .3s var(--ease);
  margin-top: -2px;
}
.check input:checked + span { background: var(--grad); border-color: transparent; }
.check input:checked + span::after { transform: rotate(-45deg) scale(1); }
.check input:focus-visible + span { outline: 2px solid var(--amber); outline-offset: 2px; }
.check--plain { margin: 18px 0 6px; font-size: 13px; color: var(--text-3); }

.calc__result {
  margin: 26px 0 20px;
  padding: 22px 24px; border-radius: var(--r);
  border: 1px solid rgba(255, 201, 60, .3);
  background: radial-gradient(120% 140% at 0% 0%, rgba(255, 201, 60, .14), transparent 60%);
  display: grid; gap: 4px;
}
.calc__result span { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-3); font-weight: 700; }
.calc__result strong {
  font-family: var(--f-display); font-size: clamp(28px, 4vw, 40px); font-weight: 700; line-height: 1.1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: transform .3s var(--ease);
}
.calc__result strong.is-bump { animation: bump .4s var(--ease); }
@keyframes bump { 40% { transform: scale(1.06); } }
.calc__result small { color: var(--text-3); font-size: 12.5px; }
.calc__send { width: 100%; }

/* Форма */
.form { display: grid; gap: 4px; position: relative; }
.field { position: relative; margin-bottom: 20px; }
.field--full { grid-column: 1 / -1; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 20px 18px 10px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 15px;
  transition: border-color .3s, box-shadow .3s, background .3s;
  appearance: none;
}
.field textarea { resize: vertical; min-height: 100px; }
.field select { cursor: pointer; padding-top: 22px; }
.field label {
  position: absolute; left: 18px; top: 16px;
  font-size: 15px; color: var(--text-3); pointer-events: none;
  transition: transform .3s var(--ease), color .3s, font-size .3s var(--ease);
  transform-origin: left top;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--amber); background: var(--surface-2);
  box-shadow: 0 0 0 4px rgba(255, 201, 60, .12);
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field select:focus + label, .field select:valid + label {
  transform: translateY(-9px) scale(.76); color: var(--amber);
}
.field.is-invalid input, .field.is-invalid textarea, .field.is-invalid select { border-color: var(--red); box-shadow: 0 0 0 4px rgba(255, 92, 108, .12); }
.field.is-invalid label { color: var(--red); }
.field__err {
  display: block; font-size: 12.5px; color: var(--red); margin-top: 6px;
  opacity: 0; transform: translateY(-4px); transition: opacity .3s, transform .3s;
}
.field.is-invalid .field__err { opacity: 1; transform: none; }
.field__err--plain { margin-bottom: 14px; }
.field__err.is-shown { opacity: 1; transform: none; }
.form__btn { grid-column: 1 / -1; width: 100%; margin-top: 8px; }

.form__done {
  position: absolute; inset: 0; z-index: 5;
  display: none; place-content: center; text-align: center; gap: 12px;
  padding: 30px;
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  backdrop-filter: blur(8px);
}
.form__done.is-shown { display: grid; animation: fadeIn .5s var(--ease); }
.form__done strong { font-family: var(--f-display); font-size: 22px; }
.form__done p { color: var(--text-2); font-size: 15px; }
.form__done a { color: var(--amber); font-weight: 700; }
.done-check { width: 74px; height: 74px; margin: 0 auto; fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.done-check circle { stroke: rgba(61, 220, 151, .3); stroke-dasharray: 151; stroke-dashoffset: 151; animation: draw .7s var(--ease) forwards; }
.done-check path { stroke: var(--green); stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw .45s var(--ease) .55s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* Блок контактов */
.contacts { display: grid; gap: 14px; }
.contacts__title { font-family: var(--f-display); font-size: 19px; font-weight: 600; margin-bottom: 6px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 18px; border-radius: var(--r);
  border: 1px solid var(--border); background: var(--surface);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
a.contact-item:hover { transform: translateX(6px); border-color: var(--amber); box-shadow: var(--glow); }
.contact-item__ico {
  width: 44px; height: 44px; flex: 0 0 auto; border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(255, 201, 60, .12); border: 1px solid rgba(255, 201, 60, .25);
}
.contact-item__ico svg { width: 20px; height: 20px; fill: none; stroke: var(--amber); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.contact-item small { display: block; font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: .1em; }
.contact-item strong { display: block; font-size: 15.5px; font-weight: 700; }

.contacts__soc { display: flex; gap: 10px; }
.contacts__soc a {
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface);
  transition: transform .4s var(--ease), background .4s, border-color .4s;
}
.contacts__soc a svg { width: 20px; height: 20px; fill: var(--text-2); transition: fill .3s; }
.contacts__soc a:hover { transform: translateY(-4px); background: var(--grad); border-color: transparent; }
.contacts__soc a:hover svg { fill: #14161c; }

.contacts__note {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 18px; border-radius: var(--r);
  background: rgba(61, 220, 151, .07); border: 1px solid rgba(61, 220, 151, .22);
}
.contacts__note svg { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: var(--green); stroke-width: 1.7; margin-top: 2px; }
.contacts__note p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 17. Подвал ---------- */
.footer { position: relative; padding: 76px 0 28px; background: var(--bg-2); border-top: 1px solid var(--border); overflow: hidden; }
.footer::before {
  content: ""; position: absolute; top: -220px; left: 50%; transform: translateX(-50%);
  width: 720px; height: 420px; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 201, 60, .12), transparent 65%);
}
.footer__top { position: relative; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--border); }
.footer__brand p { color: var(--text-2); font-size: 14.5px; margin: 18px 0 20px; max-width: 38ch; }
.footer__col { display: grid; gap: 11px; align-content: start; }
.footer__col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--text-3); margin-bottom: 8px; }
.footer__col a, .footer__col span { font-size: 14.5px; color: var(--text-2); transition: color .3s, transform .3s var(--ease); width: fit-content; }
.footer__col a:hover { color: var(--amber); transform: translateX(4px); }
.footer__urgent { color: var(--amber) !important; font-weight: 700; }
.footer__bottom {
  position: relative; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 26px; font-size: 13px; color: var(--text-3);
}
.footer__bottom .heart { display: inline-block; width: 13px; height: 13px; fill: var(--amber); vertical-align: -1px; animation: pulse 2.4s infinite; }

/* ---------- 18. Плавающие кнопки и «наверх» ---------- */
.float-bar {
  position: fixed; right: 22px; bottom: 22px; z-index: 700;
  display: grid; gap: 12px;
  opacity: 0; transform: translateY(24px) scale(.9); pointer-events: none;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.float-bar.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.float-btn {
  position: relative;
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 16px 34px -14px rgba(0, 0, 0, .8);
  transition: transform .4s var(--ease);
}
.float-btn svg { width: 25px; height: 25px; fill: #fff; }
.float-btn:hover { transform: translateY(-4px) scale(1.06); }
.float-btn--wa { background: #25d366; }
.float-btn--tg { background: #2aabee; }
.float-btn--tel { background: var(--grad); }
.float-btn--tel svg { fill: #14161c; }
.float-btn__pulse { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--amber); animation: ring 2.2s var(--ease) infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .9 } 100% { transform: scale(1.75); opacity: 0 } }

.to-top {
  position: fixed; left: 22px; bottom: 22px; z-index: 700;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: color-mix(in srgb, var(--bg-3) 85%, transparent);
  backdrop-filter: blur(12px);
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: opacity .4s, transform .4s var(--ease), border-color .3s;
}
.to-top.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { border-color: var(--amber); }
.to-top__ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); fill: none; }
.to-top__ring circle { stroke: var(--amber); stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 126; stroke-dashoffset: var(--off, 126); transition: stroke-dashoffset .15s linear; }
.to-top__ico { position: relative; width: 17px; height: 17px; fill: none; stroke: var(--text); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 19. Лайтбокс ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 950;
  display: grid; place-items: center; padding: 24px;
  background: rgba(4, 7, 13, .82);
  backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden;
  transition: opacity .4s, visibility .4s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__in {
  width: min(900px, 100%); max-height: 88svh; overflow: auto;
  display: grid; grid-template-columns: .9fr 1.1fr;
  border-radius: var(--r-xl); border: 1px solid var(--border-2);
  background: var(--bg-2); box-shadow: var(--shadow);
  transform: translateY(30px) scale(.96); transition: transform .5s var(--ease);
}
.lightbox.is-open .lightbox__in { transform: none; }
.lightbox__cover {
  position: relative; min-height: 320px; display: grid; place-items: center; overflow: hidden;
  background: var(--cover-1, linear-gradient(135deg, #243049, #121a2b));
}
.lightbox__cover svg { width: 110px; height: 110px; fill: none; stroke: var(--amber); stroke-width: .9; opacity: .7; }
.lightbox__body { padding: 36px; }
.lightbox__meta { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-3); font-weight: 700; }
.lightbox__body h3 { font-family: var(--f-display); font-size: 26px; font-weight: 700; margin: 10px 0 14px; line-height: 1.2; }
.lightbox__body p { color: var(--text-2); font-size: 15.5px; }
.lightbox__stats { display: flex; gap: 26px; margin: 26px 0; padding: 18px 0; border-block: 1px solid var(--border); }
.lightbox__stats small { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); }
.lightbox__stats strong { font-family: var(--f-display); font-size: 19px; color: var(--amber); }
.lightbox__close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border-2); background: rgba(11, 18, 32, .7); color: #fff;
  transition: transform .3s var(--ease), background .3s;
}
.lightbox__close:hover { transform: rotate(90deg); background: var(--red); }
.lightbox__close svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; }

/* ---------- 20. Анимации появления ---------- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 21. Адаптив ---------- */
@media (max-width: 1180px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3)::after { display: none; }
  .hero__in { gap: 30px; }
}

@media (max-width: 1024px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 6px;
    padding: 22px 20px 30px;
    background: color-mix(in srgb, var(--bg-2) 96%, transparent);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-14px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform .45s var(--ease), opacity .35s, visibility .35s;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .nav__link { padding: 14px 16px; font-size: 16px; border-radius: var(--r-sm); }
  .nav__link:hover { background: var(--surface); }
  .nav__link::after { display: none; }
  .nav__cta { margin: 12px 0 0; justify-content: center; }
  .burger { display: block; }
  .header__phone span { display: none; }
  .header__phone { padding: 10px; width: 40px; height: 40px; justify-content: center; }
  .header.is-stuck { height: var(--header-h); }

  .hero__in { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-bottom: 70px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; }
  .works__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .lightbox__in { grid-template-columns: 1fr; }
  .lightbox__cover { min-height: 200px; }
  .price-row { grid-template-columns: 1fr 150px; }
  .hide-sm { display: none; }
  .price-row .tag { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 76px 0; }
  .sec-head { margin-bottom: 38px; }
  .cards, .steps, .works__grid, .stats__grid { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .plan { padding: 24px 20px; }
  .plan__body { grid-template-columns: 1fr; gap: 20px; }
  .calc, .form, .contacts { padding: 24px 20px; }
  .sec-cta { padding: 22px; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { justify-content: center; text-align: center; }
  .float-bar { right: 14px; bottom: 14px; gap: 10px; }
  .float-btn { width: 48px; height: 48px; }
  .to-top { left: 14px; bottom: 14px; }
  .hero__points { gap: 8px 16px; }
  .hero__actions .btn { width: 100%; }
  .price-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 18px; }
  .price-row:hover { padding-left: 22px; }
}

/* ---------- 22. Доступность: меньше 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;
  }
  .reveal { opacity: 1; transform: none; }
  .line__in { transform: none; }
  .hero__canvas, .marquee__track { display: none; }
}