/* ===== CSS Variables ===== */
:root {
  --c-white: #FAF9F7;
  --c-grey: #ECE8E2;
  --c-anthracite: #2B2A28;
  --c-black: #0A0A0A;
  --c-accent: #B8956A;
  --c-line: rgba(43, 42, 40, 0.12);
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  --container: 1320px;
  --gutter: clamp(24px, 5vw, 96px);
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--c-anthracite);
  background: var(--c-white);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
picture {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Utility ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-accent);
  font-weight: 500;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: 0.01em;
  color: var(--c-anthracite);
  margin-top: 14px;
}

.section {
  padding: clamp(60px, 10vw, 140px) 0;
}

.section+.section {
  border-top: 1px solid var(--c-line);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(.16, 1, .3, 1), transform 0.9s cubic-bezier(.16, 1, .3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Header ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--gutter);
  mix-blend-mode: difference;
  transition: padding 0.4s ease;
}

header.scrolled {
  padding: 16px var(--gutter);
  background: rgba(250, 249, 247, 0.0);
}

.logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.18em;
  color: var(--c-white);
  font-weight: 500;
}

.lang-switch {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-white);
}

.lang-switch button {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.lang-switch button.active {
  background: var(--c-white);
  color: var(--c-black);
  border-color: var(--c-white);
}

.lang-switch button:not(.active):hover {
  border-color: var(--c-white);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(135deg, #4a4844 0%, #2b2a28 55%, #1c1b1a 100%);
  color: var(--c-white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 calc(100% / 6 - 1px), rgba(255, 255, 255, 0.05) calc(100% / 6 - 1px) calc(100% / 6)),
    repeating-linear-gradient(0deg, transparent 0 calc(100% / 4 - 1px), rgba(255, 255, 255, 0.05) calc(100% / 4 - 1px) calc(100% / 4));
  opacity: 0.6;
}

.hero-photo-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.28);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  padding: 10px 22px;
  white-space: nowrap;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 var(--gutter) clamp(60px, 8vw, 110px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(54px, 11vw, 132px);
  letter-spacing: 0.06em;
  font-weight: 500;
  line-height: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5), 0 4px 40px rgba(0,0,0,0.3);
}

.hero-manifesto {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(18px, 2.4vw, 26px);
  letter-spacing: 0.06em;
  font-weight: 400;
  color: var(--c-accent);
  text-shadow: 0 1px 12px rgba(0,0,0,0.6);
}

.hero-desc {
  max-width: 560px;
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 300;
  color: rgba(250, 249, 247, 0.92);
  line-height: 1.8;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  align-self: flex-start;
  margin-top: 8px;
  padding: 18px 38px;
  border: 1px solid rgba(250, 249, 247, 0.55);
  color: var(--c-white);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all 0.4s cubic-bezier(.16, 1, .3, 1);
  cursor: pointer;
  background: transparent;
  font-family: var(--font-body);
}

.btn-primary:hover {
  background: var(--c-white);
  color: var(--c-black);
  border-color: var(--c-white);
  letter-spacing: 0.28em;
}

.btn-primary .arrow {
  transition: transform 0.4s cubic-bezier(.16, 1, .3, 1);
}

.btn-primary:hover .arrow {
  transform: translateX(6px);
}

.scroll-indicator {
  position: absolute;
  bottom: 34px;
  right: var(--gutter);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(250, 249, 247, 0.6);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.scroll-indicator .line {
  width: 1px;
  height: 46px;
  background: rgba(250, 249, 247, 0.4);
  position: relative;
  overflow: hidden;
}

.scroll-indicator .line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: var(--c-white);
  animation: scrollLine 2.6s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    transform: translateY(-100%);
  }
  50% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(250%);
  }
}

/* ===== Materials ===== */
.materials-head {
  text-align: center;
  margin-bottom: 64px;
}

.materials-head .section-title {
  margin-top: 14px;
}

.materials-head p {
  max-width: 620px;
  margin: 22px auto 0;
  color: var(--c-anthracite);
  opacity: 0.7;
  font-size: 15px;
}

.materials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.material-card {
  background: var(--c-white);
  padding: clamp(36px, 5vw, 72px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.material-card.dark {
  background: var(--c-white);
  color: var(--c-anthracite);
}

.material-card .mat-eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.material-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.2;
}

.material-card .sub {
  font-size: 13px;
  font-style: italic;
  font-family: var(--font-display);
  opacity: 0.7;
  margin-top: -18px;
}

.mat-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 8px;
}

.mat-cols h4 {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
  opacity: 0.55;
}

.mat-cols ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 14px;
  font-weight: 300;
}

.mat-cols li {
  position: relative;
  padding-left: 18px;
}

.mat-cols li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

/* ===== Collections ===== */
.collections-head {
  text-align: center;
  margin-bottom: 0;
}

.collection-group {
  margin-top: 70px;
}

.collection-group:first-of-type {
  margin-top: 64px;
}

.collection-group-label {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-anthracite);
  opacity: 0.5;
  padding: 0 var(--gutter);
  margin-bottom: 18px;
}

.banner {
  position: relative;
  width: 100%;
  height: clamp(320px, 56vw, 620px);
  background:
    linear-gradient(180deg, rgba(10, 10, 10, 0.05) 0%, rgba(10, 10, 10, 0.45) 100%),
    linear-gradient(120deg, #d8d3cc 0%, #b6b0a7 50%, #8e8a82 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 28px;
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 calc(100% / 8 - 1px), rgba(0, 0, 0, 0.04) calc(100% / 8 - 1px) calc(100% / 8));
}

.banner .banner-label {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 72px);
  color: var(--c-white);
  letter-spacing: 0.08em;
  text-align: center;
  font-weight: 500;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.25);
}

.banner .banner-tag {
  position: absolute;
  top: 28px;
  left: 28px;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  z-index: 2;
}

.banner:last-child {
  margin-bottom: 0;
}

/* ===== Glazing ===== */
.glazing-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin-bottom: 64px;
}

.glazing-img {
  height: clamp(260px, 36vw, 440px);
  background: linear-gradient(135deg, #ece8e2 0%, #cfc9bf 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.glazing-img .gi-label {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--c-anthracite);
  letter-spacing: 0.03em;
}

.glazing-img .gi-sub {
  font-size: 12px;
  color: var(--c-anthracite);
  opacity: 0.55;
  font-style: italic;
  font-family: var(--font-display);
}

.glazing-body {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.glazing-col h4 {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 18px;
  font-weight: 500;
}

.glazing-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  font-weight: 300;
}

.glazing-col li {
  position: relative;
  padding-left: 18px;
}

.glazing-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--c-anthracite);
  opacity: 0.4;
}

.glazing-note {
  grid-column: 1 / -1;
  margin-top: 14px;
  padding-top: 28px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-anthracite);
  opacity: 0.6;
  font-style: italic;
  font-family: var(--font-display);
}

/* ===== Projects ===== */
.video-block {
  position: relative;
  width: 100%;
  height: clamp(340px, 50vw, 600px);
  background: linear-gradient(135deg, #3a3936 0%, #1e1d1c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 46px;
  overflow: hidden;
}

.video-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, transparent 0 calc(100% / 10 - 1px), rgba(255, 255, 255, 0.04) calc(100% / 10 - 1px) calc(100% / 10));
}

.video-block .play-btn {
  position: relative;
  z-index: 2;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

.video-block .play-btn:hover {
  border-color: #fff;
  transform: scale(1.08);
}

.video-block .play-btn svg {
  fill: #fff;
}

.video-block .vb-label {
  position: absolute;
  bottom: 28px;
  left: 28px;
  z-index: 2;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  border: 1px dashed rgba(255, 255, 255, 0.25);
  padding: 8px 16px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  grid-auto-rows: 1fr;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #dcd7cf 0%, #b9b3a8 100%);
  min-height: 280px;
}

.gallery-item:nth-child(1) {
  grid-row: span 2;
  min-height: 600px;
}

.gallery-item:nth-child(4) {
  grid-column: span 2;
}

.gallery-item .gi-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 22px;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.7) 100%);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.4s ease;
}

.gallery-item:hover .gi-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-item .gi-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gallery-item .gi-country {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.05em;
}

.gallery-item .gi-detail {
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.gallery-item .gi-price {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--c-accent);
}

.gallery-item .gi-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  padding: 6px 12px;
}

/* ===== Quote Section ===== */
.quote-section {
  background: var(--c-anthracite);
  color: var(--c-white);
}

.quote-section .eyebrow {
  color: var(--c-accent);
}

.quote-section .section-title {
  color: var(--c-white);
}

.quote-head {
  text-align: center;
  margin-bottom: 60px;
}

.quote-head p {
  max-width: 560px;
  margin: 22px auto 0;
  color: rgba(250, 249, 247, 0.6);
  font-size: 15px;
}

.quote-form {
  max-width: 780px;
  margin: 0 auto;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeStep 0.6s cubic-bezier(.16, 1, .3, 1);
}

@keyframes fadeStep {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-counter {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 10px;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 500;
  margin-bottom: 36px;
  border-bottom: 1px solid rgba(250, 249, 247, 0.12);
  padding-bottom: 24px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}

.choice-card {
  border: 1px solid rgba(250, 249, 247, 0.18);
  padding: 24px 22px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  letter-spacing: 0.02em;
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
}

.choice-card .box {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(250, 249, 247, 0.4);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.choice-card .box::after {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--c-accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.choice-card.selected {
  border-color: var(--c-accent);
  background: rgba(184, 149, 106, 0.08);
}

.choice-card.selected .box {
  border-color: var(--c-accent);
}

.choice-card.selected .box::after {
  opacity: 1;
}

.choice-card:hover {
  border-color: rgba(250, 249, 247, 0.4);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.55);
}

.field input[type="text"],
.field input[type="number"],
.field input[type="email"],
.field input[type="tel"],
.field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(250, 249, 247, 0.25);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  padding: 10px 2px;
  outline: none;
  transition: border-color 0.3s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(250, 249, 247, 0.3);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--c-accent);
}

.field textarea {
  border: 1px solid rgba(250, 249, 247, 0.25);
  border-radius: 0;
  resize: vertical;
  min-height: 120px;
  padding: 14px;
}

.field textarea:focus {
  border-color: var(--c-accent);
}

.hint {
  font-size: 12px;
  color: var(--c-accent);
  font-style: italic;
  font-family: var(--font-display);
  margin-top: -12px;
  margin-bottom: 24px;
}

.sub-block {
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px dashed rgba(250, 249, 247, 0.12);
}

.sub-block-title {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.55);
  margin-bottom: 18px;
}

.upload-zone {
  border: 1px dashed rgba(250, 249, 247, 0.3);
  padding: 36px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 18px;
}

.upload-zone:hover {
  border-color: var(--c-accent);
}

.upload-zone p {
  font-size: 13px;
  color: rgba(250, 249, 247, 0.5);
}

.upload-zone .uz-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--c-white);
  margin-bottom: 8px;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(250, 249, 247, 0.12);
  padding: 10px 16px;
  font-size: 13px;
  color: rgba(250, 249, 247, 0.8);
}

.file-item button {
  background: none;
  border: none;
  color: var(--c-accent);
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  gap: 16px;
}

.btn-ghost {
  background: none;
  border: 1px solid rgba(250, 249, 247, 0.25);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  border-color: var(--c-white);
}

.btn-ghost:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.btn-fill {
  background: var(--c-white);
  border: 1px solid var(--c-white);
  color: var(--c-black);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-fill:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.product-list {
  margin-top: 40px;
}

.product-card {
  border: 1px solid rgba(250, 249, 247, 0.12);
  padding: 24px;
  margin-bottom: 14px;
}

.product-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--c-accent);
}

.product-card dl {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 6px 16px;
  font-size: 13px;
}

.product-card dt {
  color: rgba(250, 249, 247, 0.5);
}

.product-card dd {
  color: var(--c-white);
}

.recap-box {
  border: 1px solid rgba(250, 249, 247, 0.18);
  padding: 28px;
  margin-bottom: 36px;
  background: rgba(250, 249, 247, 0.03);
}

.recap-title {
  font-family: var(--font-display);
  font-size: 24px;
  margin-bottom: 18px;
  color: var(--c-white);
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 28px;
  font-size: 13px;
  color: rgba(250, 249, 247, 0.7);
  cursor: pointer;
}

.check-row .box {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(250, 249, 247, 0.4);
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.check-row .box::after {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--c-accent);
  opacity: 0;
}

.check-row.checked .box {
  border-color: var(--c-accent);
}

.check-row.checked .box::after {
  opacity: 1;
}

.success-screen {
  text-align: center;
  padding: 80px 0;
}

.success-screen .mark {
  width: 64px;
  height: 64px;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  margin: 0 auto 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-screen h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 16px;
}

.success-screen p {
  color: rgba(250, 249, 247, 0.6);
  font-size: 15px;
}

/* ===== Footer ===== */
footer {
  background: var(--c-black);
  color: var(--c-white);
  padding: clamp(60px, 8vw, 100px) 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(250, 249, 247, 0.1);
}

.footer-brand .logo {
  font-size: 28px;
  color: var(--c-white);
  mix-blend-mode: normal;
}

.footer-brand .hero-manifesto {
  font-size: 15px;
  margin-top: 14px;
  color: var(--c-accent);
}

.footer-contact {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col h5 {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(250, 249, 247, 0.45);
  margin-bottom: 14px;
}

.footer-col p,
.footer-col a {
  font-size: 14px;
  color: rgba(250, 249, 247, 0.85);
  font-weight: 300;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 32px;
  font-size: 12px;
  color: rgba(250, 249, 247, 0.35);
  letter-spacing: 0.05em;
}

.footer-bottom .lang-switch {
  color: rgba(250, 249, 247, 0.6);
}

.footer-bottom .lang-switch button {
  border-color: rgba(250, 249, 247, 0.25);
  color: rgba(250, 249, 247, 0.6);
}

.footer-bottom .lang-switch button.active {
  background: var(--c-white);
  color: var(--c-black);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .materials-grid,
  .glazing-images,
  .mat-cols {
    grid-template-columns: 1fr;
  }
  .glazing-body {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .gallery {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-item:nth-child(1) {
    grid-row: span 1;
    min-height: 280px;
  }
  .gallery-item:nth-child(4) {
    grid-column: span 2;
  }
  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  header {
    padding: 12px 14px;
  }
  header.scrolled {
    padding: 10px 14px;
  }
  .logo {
    font-size: 12px !important;
    letter-spacing: 0.04em !important;
  }
  .lang-switch {
    gap: 4px;
  }
  .lang-switch button {
    padding: 4px 8px;
    font-size: 9px;
    letter-spacing: 0.06em;
  }
  .scroll-indicator {
    display: none;
  }
  .hero-content {
    padding: 0 14px clamp(48px, 10vw, 80px);
    gap: 16px;
  }
  .hero-title {
    font-size: clamp(24px, 5.5vw, 34px) !important;
    letter-spacing: 0.02em !important;
  }
  .hero-manifesto {
    font-size: clamp(15px, 3.2vw, 20px) !important;
  }
  .hero-desc {
    font-size: 14px;
  }
  .glazing-body {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .gallery {
    grid-template-columns: 1fr;
  }
  .gallery-item:nth-child(1),
  .gallery-item:nth-child(4) {
    grid-column: auto;
    grid-row: auto;
    min-height: 220px;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
  .footer-contact {
    gap: 28px;
  }
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
  .img-label div:last-child,
  .coll-card-img .img-label div:last-child {
    font-size: 13px !important;
  }
  .glazing-img [style*="font-size:18px"],
  .glazing-img [style*="font-size: 18px"] {
    font-size: 13px !important;
  }
  .glazing-img [style*="font-size:12px"],
  .glazing-img [style*="font-size: 12px"] {
    font-size: 10px !important;
  }
  .overlay-title {
    font-size: 13px !important;
  }
  .overlay-sub {
    font-size: 10px !important;
  }
}

/* ===== Focus visibility ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

/* ===== Reduce motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}
/* ===== GAMME CARDS (Step 3) ===== */
.gamme-cards {
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (min-width: 640px) {
  .gamme-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}
.gamme-card {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: 0;
  overflow: hidden;
}
.gamme-card .box {
  display: none; /* hidden — selection shown via border */
}
.gamme-card-inner {
  width: 100%;
  padding: 20px 18px 18px;
}
.gamme-num {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-bottom: 6px;
}
.gamme-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 10px;
}
.gamme-glass {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  font-weight: 500;
}
.gamme-desc {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  opacity: 0.5;
  line-height: 1.5;
}
.gamme-card.selected .gamme-num { opacity: 0.7; }
.gamme-card.selected .gamme-name { color: var(--c-accent); }

/* ===== STEP 3B GLAZING PANEL ===== */
#step3bGammeBadge { flex-wrap: wrap; }