:root {
  --bg: #111315;
  --bg2: #181b1e;
  --card: #1e2226;
  --line: rgba(255, 255, 255, 0.08);
  --light: #f5f2ed;
  --light2: #ebe6de;
  --ink: #16181a;
  --muted: #8b9197;
  --muted-d: #5d636a;
  --wood: #c8834a;
  --wood2: #e3a56b;
  --steel: #cfd6dc;
  --r: 22px;
  --r-sm: 14px;
  --ff: 'Manrope', system-ui, sans-serif;
  --fh: 'Unbounded', 'Manrope', sans-serif;
  --container: 1240px;
  --steel-grad: linear-gradient(135deg, #f3f5f7 0%, #aab2b9 45%, #e6eaed 60%, #8d959c 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--ff);
  background: var(--bg);
  color: #fff;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: 110px 0; position: relative; }

.light { background: var(--light); color: var(--ink); }
.light .muted { color: var(--muted-d); }
.muted { color: var(--muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wood);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
}

h1, h2, h3 {
  font-family: var(--fh);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
h2 { font-size: clamp(30px, 4.2vw, 50px); margin: 16px 0 18px; }
h3 { font-size: 20px; }

.lead { font-size: clamp(17px, 1.6vw, 19px); max-width: 640px; }

.head { margin-bottom: 56px; }
.head.center { text-align: center; }
.head.center .lead { margin: 0 auto; }
.head.center .eyebrow { justify-content: center; }
.head.center .eyebrow::after {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 30px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 16px;
  transition: 0.25s;
  white-space: nowrap;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--wood2), var(--wood));
  color: #1a120b;
  box-shadow: 0 10px 30px -10px rgba(200, 131, 74, 0.7);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -10px rgba(200, 131, 74, 0.85);
}
.btn-ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  background: transparent;
}
.btn-ghost:hover { background: #fff; color: var(--ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-wood { background: var(--wood); color: #fff; }
.btn-wood:hover { background: #9c5830; transform: translateY(-2px); }
.btn svg { width: 18px; height: 18px; }

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  transition: 0.3s;
}
.header.scrolled {
  background: rgba(17, 19, 21, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fh);
  font-size: 21px;
  font-weight: 700;
}
.logo i {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--wood2), var(--wood));
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
}
.logo span { color: var(--wood); }
.nav {
  display: flex;
  gap: 30px;
  font-size: 15px;
  font-weight: 600;
}
.nav a { opacity: 0.8; transition: 0.2s; }
.nav a:hover { opacity: 1; color: var(--wood2); }
.header-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}
.phone {
  font-weight: 800;
  font-size: 16px;
  white-space: nowrap;
}
.phone small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}
.burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  position: relative;
}
.burger span,
.burger span::before,
.burger span::after {
  position: absolute;
  left: 12px;
  width: 20px;
  height: 2px;
  background: #fff;
  transition: 0.3s;
  content: "";
}
.burger span { top: 21px; }
.burger span::before { top: -6px; left: 0; }
.burger span::after { top: 6px; left: 0; }
.menu-open .burger span { background: transparent; }
.menu-open .burger span::before { top: 0; transform: rotate(45deg); }
.menu-open .burger span::after { top: 0; transform: rotate(-45deg); }

/* Hero */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 60%;
  transform: scale(1.05);
  animation: zoom 14s ease-out forwards;
}
@keyframes zoom {
  to { transform: scale(1); }
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 13, 15, 0.93) 0%, rgba(12, 13, 15, 0.75) 42%, rgba(12, 13, 15, 0.15) 75%),
    linear-gradient(0deg, rgba(12, 13, 15, 0.85), transparent 35%);
}
.hero h1 {
  font-size: clamp(36px, 5.6vw, 72px);
  max-width: 820px;
  margin: 22px 0 24px;
}
.hero h1 .steel-text {
  background: var(--steel-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  color: #d5d9dd;
  margin-bottom: 38px;
  max-width: 680px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 50px;
}
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 14px;
  max-width: 880px;
}
.fact {
  padding: 18px 22px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}
.fact b {
  display: block;
  font-family: var(--fh);
  font-size: 22px;
  font-weight: 600;
}
.fact span {
  font-size: 14px;
  color: #b8bcc0;
}
.badge-304 {
  position: absolute;
  right: 6%;
  bottom: 14%;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--steel-grad);
  color: #1d1f21;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--fh);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.badge-304 b {
  font-size: 28px;
  display: block;
  line-height: 1;
}
.badge-304 small {
  font-size: 11px;
  font-family: var(--ff);
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* Marquee */
.strip {
  padding: 22px 0;
  background: linear-gradient(135deg, var(--wood2), var(--wood));
  color: #1a1108;
  overflow: hidden;
  white-space: nowrap;
}
.strip-track {
  display: inline-flex;
  gap: 50px;
  animation: marquee 35s linear infinite;
  font-family: var(--fh);
  font-weight: 600;
  font-size: 18px;
}
.strip-track span::after {
  content: "✦";
  margin-left: 50px;
  opacity: 0.6;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* Models */
.models-sec { background: var(--light); color: var(--ink); }
.models-sec .eyebrow { color: #9c6531; }
.models-sec .eyebrow::before { background: #9c6531; }
.models-sec .lead { color: var(--muted-d); }
.models-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.model {
  border-radius: 28px;
  background: #fff;
  border: 1px solid var(--light2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: 0.35s;
  position: relative;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 20px 50px -30px rgba(0, 0, 0, 0.15);
}
.model:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.2);
}
.model.featured {
  border-color: var(--wood);
  box-shadow: 0 0 0 1px var(--wood), 0 20px 50px -30px rgba(0, 0, 0, 0.15);
}
.model-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 7px 14px;
  border-radius: 100px;
  background: var(--wood2);
  color: #1a1108;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.model-img {
  aspect-ratio: 4 / 3.4;
  overflow: hidden;
  position: relative;
  background: #eee;
}
.model-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.6s;
}
.model:hover .model-img img { transform: scale(1.06); }
.model-size {
  position: absolute;
  right: 18px;
  bottom: 14px;
  font-family: var(--fh);
  font-size: 74px;
  font-weight: 700;
  line-height: 1;
  background: var(--steel-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}
.model-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.model-body h3 {
  font-size: 24px;
  margin-bottom: 6px;
  color: var(--ink);
}
.people {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--wood);
  font-weight: 700;
  margin-bottom: 22px;
}
.people svg { width: 20px; height: 20px; }
.specs {
  list-style: none;
  margin-bottom: 26px;
  flex: 1;
}
.specs li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed #ddd6cc;
  font-size: 15px;
}
.specs li span { color: var(--muted-d); }
.specs li b {
  font-weight: 700;
  text-align: right;
  color: var(--ink);
}
.price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.price b {
  font-family: var(--fh);
  font-size: 34px;
  font-weight: 600;
  color: var(--ink);
}
.model .btn { width: 100%; }

.included {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 26px;
}
.box-card {
  background: #fff;
  border-radius: var(--r);
  padding: 34px;
}
.box-card h3 { margin-bottom: 18px; }
.checks {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 22px;
  font-size: 15px;
}
.checks li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.checks li::before {
  content: "";
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--wood) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.options { list-style: none; font-size: 15px; }
.options li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed #ddd6cc;
}
.options li:last-child { border: 0; }
.options b { white-space: nowrap; }

/* Configurator */
.config { background: var(--bg2); }
.config-box {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  margin-top: 50px;
}
.config-panel {
  padding: 36px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--line);
}
.config-panel h3 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--muted);
  font-family: Manrope, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 34px;
}
.seg label,
.opt { cursor: pointer; }
.seg input,
.opt input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.seg .box {
  display: block;
  padding: 18px;
  border-radius: 16px;
  border: 1.5px solid var(--line);
  text-align: center;
  transition: 0.2s;
}
.seg .box b {
  display: block;
  font-family: Unbounded, sans-serif;
  font-size: 26px;
}
.seg .box small {
  color: var(--muted);
  font-size: 13px;
}
.seg input:checked + .box {
  border-color: var(--wood2);
  background: rgba(227, 173, 116, 0.1);
}
.opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.opt .box {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1.5px solid var(--line);
  transition: 0.2s;
  height: 100%;
}
.opt .check {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  display: grid;
  place-items: center;
  transition: 0.2s;
}
.opt .check::after {
  content: "✓";
  font-size: 14px;
  font-weight: 800;
  color: #1a1108;
  opacity: 0;
}
.opt input:checked + .box {
  border-color: var(--wood2);
  background: rgba(227, 173, 116, 0.08);
}
.opt input:checked + .box .check {
  background: var(--wood2);
  border-color: var(--wood2);
}
.opt input:checked + .box .check::after { opacity: 1; }
.opt .t {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.3;
}
.opt .t small {
  display: block;
  color: var(--wood2);
  font-weight: 700;
  margin-top: 3px;
}
.summary {
  padding: 36px;
  border-radius: 28px;
  background: linear-gradient(160deg, #23282d, #16191c);
  border: 1px solid rgba(227, 173, 116, 0.3);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 100px;
  height: fit-content;
}
.summary h3 {
  font-size: 22px;
  margin-bottom: 20px;
}
.sum-lines {
  list-style: none;
  margin-bottom: 24px;
  font-size: 15px;
}
.sum-lines li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}
.sum-lines li span { color: var(--muted); }
.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}
.total b {
  font-family: Unbounded, sans-serif;
  font-size: 38px;
  font-weight: 600;
}
.summary small.note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
  text-align: center;
}

/* Steel */
.steel {
  background: #fff;
  color: var(--ink);
  position: relative;
  overflow: hidden;
}
.steel::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 700px;
  height: 700px;
  background: var(--steel-grad);
  border-radius: 50%;
  opacity: 0.25;
  filter: blur(40px);
  z-index: 0;
}
.steel .container { position: relative; z-index: 1; }
.steel .eyebrow { color: var(--wood); }
.steel-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  margin-bottom: 70px;
}
.steel-img {
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 30px 70px -20px rgba(28, 30, 33, 0.25);
  position: relative;
  background: #f3f3f3;
}
.steel-img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.steel-chip {
  position: absolute;
  left: 24px;
  bottom: 24px;
  background: var(--steel-grad);
  border: 1px solid #fff;
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 10px 40px -12px rgba(28, 30, 33, 0.14);
  font-family: var(--fh);
}
.steel-chip b {
  font-size: 1.5rem;
  display: block;
  line-height: 1;
}
.steel-chip span {
  font-size: 0.75rem;
  font-family: var(--ff);
  font-weight: 700;
  color: var(--muted-d);
}
.composition {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.comp {
  flex: 1;
  min-width: 120px;
  background: var(--light);
  border-radius: var(--r-sm);
  padding: 18px;
  border: 1px solid var(--light2);
}
.comp b {
  font-family: var(--fh);
  font-size: 1.6rem;
  display: block;
  color: var(--ink);
}
.comp span {
  font-size: 0.85rem;
  color: var(--muted);
}
.steel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feat {
  background: var(--light);
  border-radius: var(--r);
  padding: 30px;
  border: 1px solid var(--light2);
  transition: 0.3s;
}
.feat:hover {
  background: #fff;
  box-shadow: 0 10px 40px -12px rgba(28, 30, 33, 0.14);
  transform: translateY(-4px);
}
.feat .ic {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: var(--steel-grad);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border: 1px solid #fff;
  box-shadow: 0 6px 16px -8px rgba(0, 0, 0, 0.2);
}
.feat .ic svg {
  width: 26px;
  height: 26px;
  color: var(--ink);
}
.feat h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--ink);
}
.feat p {
  color: var(--muted-d);
  font-size: 0.96rem;
}
.compare {
  margin-top: 64px;
  background: var(--light);
  border: 1px solid var(--light2);
  border-radius: var(--r);
  overflow: auto;
}
.compare table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 15px;
}
.compare th,
.compare td {
  padding: 18px 22px;
  text-align: left;
  border-bottom: 1px solid var(--light2);
}
.compare thead th {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.compare thead th.us { color: var(--wood2); }
.compare td.us {
  background: rgba(200, 131, 74, 0.08);
  font-weight: 700;
}
.compare tr:last-child td { border: 0; }
.y { color: #7fd48a; }
.n { color: #ef7b6d; }
.m { color: #e6c35c; }

/* Factory */
.factory-sec { background: var(--bg2); }
.factory {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 70px;
  align-items: center;
}
.factory-img { position: relative; }
.factory-img img {
  border-radius: var(--r);
  aspect-ratio: 4 / 4.4;
  object-fit: cover;
  width: 100%;
}
.factory-card {
  position: absolute;
  right: -26px;
  bottom: 40px;
  background: var(--wood);
  color: #1a120b;
  border-radius: var(--r);
  padding: 26px 28px;
  max-width: 240px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}
.factory-card b {
  font-family: var(--fh);
  font-size: 40px;
  line-height: 1;
  display: block;
  margin-bottom: 6px;
}
.factory-card span {
  font-weight: 600;
  font-size: 15px;
}
.nums {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 36px;
}
.nums div {
  padding: 22px;
  border-radius: var(--r-sm);
  background: var(--card);
  border: 1px solid var(--line);
}
.nums b {
  font-family: var(--fh);
  font-size: 28px;
  color: var(--wood2);
  display: block;
}
.nums span {
  font-size: 14px;
  color: var(--muted);
}
.factory ul {
  list-style: none;
  margin-top: 26px;
  display: grid;
  gap: 12px;
}
.factory ul li {
  display: flex;
  gap: 12px;
  color: #d5d9dd;
}
.factory ul li::before {
  content: "—";
  color: var(--wood);
}

/* Steps */
.steps-sec { background: var(--light); color: var(--ink); }
.steps-sec .eyebrow { color: #9c6531; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: s;
}
.step {
  position: relative;
  background: #fff;
  border-radius: var(--r);
  padding: 32px 28px;
  border: 1px solid var(--light2);
}
.step::before {
  counter-increment: s;
  content: "0" counter(s);
  font-family: var(--fh);
  font-size: 46px;
  color: var(--light2);
  position: absolute;
  top: 18px;
  right: 22px;
  line-height: 1;
}
.step .ico {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 26px;
  background: rgba(200, 131, 74, 0.14);
  color: var(--wood);
}
.step .ico svg { width: 26px; height: 26px; }
.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
  font-family: var(--ff);
  font-weight: 800;
  color: var(--ink);
}
.step p {
  font-size: 15px;
  color: var(--muted-d);
}

/* Gallery */
.gallery-sec { background: var(--bg); }
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 260px;
  gap: 16px;
}
.gallery a {
  border-radius: var(--r-sm);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
}
.gallery a:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery a:nth-child(4) { grid-row: span 2; }
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.6s;
}
.gallery a:hover img { transform: scale(1.07); }
.gallery a::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 14px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-size: 22px;
  opacity: 0;
  transition: 0.3s;
}
.gallery a:hover::after { opacity: 1; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-height: 88vh;
  border-radius: 12px;
}
.lb-btn {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  font-size: 24px;
  display: grid;
  place-items: center;
  color: #fff;
}
.lb-btn:hover { background: rgba(255, 255, 255, 0.25); }
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

/* FAQ */
.faq-sec { background: var(--light); color: var(--ink); }
.faq-sec .eyebrow { color: #9c6531; }
.faq-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: start;
}
.faq-aside { position: sticky; top: 110px; }
.faq-aside .box {
  background: var(--ink);
  color: #fff;
  margin-top: 30px;
  border-radius: var(--r);
  padding: 28px;
}
.faq-aside .box p {
  color: #aab0b6;
  font-size: 15px;
  margin: 8px 0 20px;
}
.faq details {
  background: #fff;
  border-radius: var(--r-sm);
  margin-bottom: 12px;
  transition: 0.3s;
  border: 1px solid transparent;
}
.faq details[open] {
  border-color: rgba(200, 131, 74, 0.45);
  box-shadow: 0 20px 40px -30px rgba(0, 0, 0, 0.3);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 64px 22px 26px;
  font-weight: 700;
  font-size: 17px;
  position: relative;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 30px;
  height: 30px;
  margin-top: -15px;
  border-radius: 50%;
  background: var(--light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8834a' stroke-width='3'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center / 14px no-repeat;
  transition: 0.3s;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
  background-color: var(--wood);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.faq details p {
  padding: 0 26px 24px;
  color: var(--muted-d);
  font-size: 16px;
}

/* CTA / Contacts */
.cta {
  background: linear-gradient(rgba(12, 13, 15, 0.82), rgba(12, 13, 15, 0.9)), url(images/photo-8.jpg) center / cover;
  padding: 110px 0;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.form {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r);
  padding: 38px;
}
.form h3 {
  font-size: 24px;
  margin-bottom: 8px;
}
.form > p {
  color: #aab0b6;
  font-size: 15px;
  margin-bottom: 24px;
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #aab0b6;
  margin-bottom: 6px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font: inherit;
  font-size: 16px;
  transition: 0.2s;
}
.field textarea {
  min-height: 80px;
  resize: vertical;
}
.field select option { color: #111; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--wood);
}
.form .btn {
  width: 100%;
  margin-top: 8px;
}
.form small {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  color: #8b9197;
  text-align: center;
}
.form-ok {
  display: none;
  text-align: center;
  padding: 40px 0;
}
.form-ok b {
  font-family: var(--fh);
  font-size: 24px;
  display: block;
  margin-bottom: 10px;
}
.contacts-list {
  list-style: none;
  margin-top: 34px;
  display: grid;
  gap: 18px;
}
.contacts-list li {
  display: flex;
  gap: 16px;
  align-items: center;
}
.contacts-list small {
  display: block;
  color: #8b9197;
  font-size: 13px;
}
.contacts-list b { font-size: 18px; }
.contacts-list .ico {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(200, 131, 74, 0.12);
  color: var(--wood2);
}
.contacts-list .ico svg { width: 26px; height: 26px; }
.messengers {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}
.messengers a {
  padding: 12px 20px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
  font-size: 14px;
  transition: 0.2s;
}
.messengers a:hover {
  background: var(--wood);
  color: #1a120b;
}

/* Footer */
.footer {
  padding: 50px 0 100px;
  background: #0b0c0e;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

/* Mobile bar */
.mobile-bar {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 40;
  gap: 10px;
}
.mobile-bar a { flex: 1; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1100px) {
  .nav { gap: 20px; font-size: 14px; }
  .header-cta .btn { display: none; }
  .steel-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .factory-card { right: 16px; }
  .badge-304 { display: none; }
}

@media (max-width: 960px) {
  section { padding: 80px 0; }
  .nav {
    position: fixed;
    inset: 78px 0 auto;
    flex-direction: column;
    gap: 0;
    background: rgba(17, 19, 21, 0.97);
    backdrop-filter: blur(14px);
    padding: 10px 24px 30px;
    transform: translateY(-120%);
    transition: 0.4s;
    border-bottom: 1px solid var(--line);
    z-index: -1;
  }
  .nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }
  .menu-open .nav { transform: none; }
  .menu-open .header { background: rgba(17, 19, 21, 0.97); }
  .burger { display: block; }
  .phone small { display: none; }
  .models-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .steel-top,
  .factory,
  .faq-wrap,
  .cta-grid,
  .config-box {
    grid-template-columns: 1fr;
  }
  .steel-top,
  .factory,
  .faq-wrap,
  .cta-grid { gap: 40px; }
  .faq-aside,
  .summary { position: static; }
  .gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }
  .gallery a:nth-child(4) { grid-row: span 1; }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  .mobile-bar { display: flex; }
  .included { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .phone { display: none; }
  .hero { padding-top: 110px; }
  .hero-bg::after {
    background: linear-gradient(0deg, rgba(12, 13, 15, 0.96) 25%, rgba(12, 13, 15, 0.55) 70%, rgba(12, 13, 15, 0.4));
  }
  .hero-actions .btn { width: 100%; }
  .steel-grid,
  .steps,
  .opts,
  .nums { grid-template-columns: 1fr; }
  .box-card,
  .form,
  .config-panel,
  .summary { padding: 26px 22px; }
  .model-body { padding: 24px 22px; }
  .factory-card {
    position: relative;
    margin-top: -60px;
    margin-left: 16px;
    right: auto;
    bottom: auto;
  }
  .gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 150px;
    gap: 10px;
  }
  .faq summary {
    font-size: 16px;
    padding: 20px 58px 20px 20px;
  }
  .faq details p { padding: 0 20px 20px; }
  .lb-prev,
  .lb-next {
    bottom: 20px;
    top: auto;
  }
}