@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Jost:wght@300;400;500;600&display=swap");

:root {
  --cream: #f5f0ea;
  --warm-white: #faf7f3;
  --stone-light: #f5ece6;
  --stone-mid: #c4b49a;
  --stone-dark: #8b7355;
  --forest: #375944;
  --forest-deep: #1c3028;
  --forest-light: #4c6d59;
  --charcoal: #2a2a2a;
  --text-dark: #1a1a1a;
  --text-mid: #5a5a5a;
  --text-light: #8a8a8a;
  --gold: #b8973a;
  --gold-light: #d4b05a;
  --nav-h: 164px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Jost", sans-serif;
  background: var(--warm-white);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ── NAV ────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: rgba(250, 247, 243, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--stone-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 80px;
  z-index: 1000;
  transition: all 0.3s ease;
}

nav.scrolled {
  height: var(--nav-h);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.nav-logo {
  align-items: center;
  display: inline-flex;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  letter-spacing: 0.05em;
  gap: 12px;
  min-width: 0;
  white-space: nowrap;
}
.nav-logo img {
  display: block;
  flex: 0 0 auto;
  width: clamp(100px, 12vw, 150px);
  height: auto;
  max-height: calc(var(--nav-h) - 6px);
  object-fit: contain;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.nav-logo-text {
  display: inline-flex;
  gap: 0.22em;
}
.nav-logo .nav-logo-text {
  color: var(--text-dark);
}
.nav-logo span {
  color: var(--forest);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--forest);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav-links a:hover {
  color: var(--forest);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--forest);
  color: white !important;
  padding: 10px 24px;
  border-radius: 2px;
  font-size: 0.9rem !important;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: background 0.2s !important;
}
.nav-cta::after {
  display: none !important;
}
.nav-cta:hover {
  background: var(--forest-deep) !important;
  color: white !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-dark);
  transition: all 0.3s;
}

/* ── HERO ───────────────────────────── */
.hero {
  height: 100vh;
  min-height: 700px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px 80px 80px;
  background: var(--warm-white);
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  font-family: "Jost", sans-serif;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: "";
  display: block;
  width: 30px;
  height: 1px;
  background: var(--forest);
}

.hero h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--text-dark);
  margin-bottom: 28px;
}
.hero h1 em {
  font-style: italic;
  color: var(--forest);
}

.hero p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-mid);
  max-width: 480px;
  margin-bottom: 48px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  align-self: flex-start;
  background: var(--forest);
  color: white;
  padding: 14px 36px;
  font-family: "Jost", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--forest-deep);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-dark);
  padding: 13px 36px;
  font-family: "Jost", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--stone-mid);
  cursor: pointer;
  transition: all 0.25s;
  display: inline-block;
}
.btn-outline:hover {
  border-color: var(--forest);
  color: var(--forest);
}

.hero-image {
  position: relative;
  overflow: hidden;
}
.hero-slider,
.hero-slide {
  position: absolute;
  inset: 0;
}
.hero-slide {
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  will-change: opacity;
}
.hero-slide.active {
  opacity: 1;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}
.hero:hover .hero-image img {
  transform: scale(1.03);
}

.hero-stats {
  position: absolute;
  z-index: 1;
  bottom: 40px;
  left: 40px;
  display: flex;
  gap: 32px;
  background: rgba(250, 247, 243, 0.92);
  backdrop-filter: blur(8px);
  padding: 20px 28px;
  border-left: 3px solid var(--forest);
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--forest);
  display: block;
}
.stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mid);
}

/* ── SECTIONS ───────────────────────── */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  font-weight: 500;
  margin-bottom: 16px;
  display: block;
}
.section-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  color: var(--text-dark);
  line-height: 1.2;
}
.section-sub {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--text-mid);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
  font-weight: 300;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 60px;
}

/* ── MATERIALS SECTION ──────────────── */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.material-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
}
.material-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.material-card:hover img {
  transform: scale(1.06);
}
.material-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(28, 48, 40, 0.85) 0%,
    transparent 60%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px 24px;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.material-card:hover .material-overlay {
  opacity: 1;
}
.material-tag {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 8px;
}
.material-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: white;
  line-height: 1.2;
}
.material-desc {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.material-card:hover .material-desc {
  max-height: 80px;
}

/* ── STONES GRID ───────────────────── */
.stones-section {
  background: var(--cream);
}

.stones-filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--stone-mid);
  padding: 8px 22px;
  font-family: "Jost", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-mid);
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--forest);
  border-color: var(--forest);
  color: white;
}

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

.stone-card {
  background: white;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  cursor: pointer;
}
.stone-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.stone-card-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.stone-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.stone-card:hover .stone-card-image img {
  transform: scale(1.04);
}
.stone-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--forest);
  color: white;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
}

.stone-card-body {
  padding: 24px;
  display: flex;
  flex: 1;
  flex-direction: column;
}
.stone-card-type {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--stone-dark);
  margin-bottom: 8px;
}
.stone-card-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.stone-card-desc {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 20px;
}
.stone-card-specs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--stone-light);
  padding-top: 16px;
}
.spec-item {
  font-size: 0.72rem;
  color: var(--text-mid);
}
.spec-item strong {
  color: var(--text-dark);
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.stone-card-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  text-decoration: none;
  margin-top: 16px;
  transition: gap 0.2s;
}
.stone-card-body .stone-card-link {
  margin-top: auto;
  padding-top: 16px;
}
.stone-card-link:hover {
  gap: 10px;
}

/* ── WHY US ─────────────────────────── */
.why-us {
  background: var(--forest-deep);
  color: white;
}
.why-us .section-title {
  color: white;
}
.why-us .section-eyebrow {
  color: var(--gold-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  padding-top: 16px;
}
.feature-item {
  text-align: center;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
}
.feature-title {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: white;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  font-weight: 300;
}

/* ── ABOUT SECTION ──────────────────── */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 600px;
}
.about-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
}
.about-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-images img:first-child {
  grid-column: 1 / -1;
}

.about-content {
  background: var(--cream);
  padding: 80px 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-content .section-header {
  text-align: left;
  margin-bottom: 32px;
}
.about-content .section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
}
.about-content p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-mid);
  font-weight: 300;
  margin-bottom: 20px;
}
.about-list {
  list-style: none;
  margin: 24px 0 40px;
}
.about-list li {
  font-size: 0.88rem;
  color: var(--text-mid);
  padding: 8px 0;
  border-bottom: 1px solid var(--stone-light);
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--forest);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── STONE DETAIL PAGE ──────────────── */
.stone-detail {
  display: none;
}
.stone-detail.active {
  display: block;
}

.detail-hero {
  padding-top: calc(var(--nav-h) + 40px);
  background: var(--cream);
}
.detail-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.detail-gallery {
}
.detail-main-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  margin-bottom: 8px;
}
.detail-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.detail-thumbs img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  border: 2px solid transparent;
}
.detail-thumb {
  background: none;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.6;
  padding: 0;
}
.detail-thumb img {
  display: block;
}
.detail-thumb.active,
.detail-thumb:hover {
  opacity: 1;
  border-color: var(--forest);
}

.detail-info {
  padding: 20px 0;
}
.detail-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.detail-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--forest);
}

.detail-title {
  font-family: "Cormorant Garamond", serif;
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text-dark);
  margin-bottom: 24px;
  line-height: 1.1;
}
.detail-desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-mid);
  font-weight: 300;
  margin-bottom: 36px;
}
.detail-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Detail Tabs */
.detail-tabs-section {
  background: white;
}
.detail-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--stone-light);
  margin-bottom: 48px;
  overflow-x: auto;
}
.tab-btn {
  background: none;
  border: none;
  padding: 16px 32px;
  font-family: "Jost", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}
.tab-btn.active {
  color: var(--forest);
  border-bottom-color: var(--forest);
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* About tab */
.about-table {
  width: 100%;
  border-collapse: collapse;
}
.about-table tr {
  border-bottom: 1px solid var(--stone-light);
}
.about-table td {
  padding: 18px 20px;
  font-size: 0.9rem;
}
.about-table td:first-child {
  color: var(--text-mid);
  font-weight: 300;
  width: 65%;
}
.about-table td:last-child {
  text-align: right;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.about-table tr:nth-child(even) td {
  background: var(--cream);
}

/* Physical table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}
.data-table th {
  background: var(--forest);
  color: white;
  padding: 14px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  font-weight: 400;
}
.data-table td {
  padding: 14px 16px;
  text-align: center;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--stone-light);
  color: var(--text-mid);
}
.data-table tr:nth-child(even) td {
  background: var(--cream);
}
.data-table .row-header {
  text-align: right;
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}
.data-table .sub-label {
  font-size: 0.7rem;
  color: var(--text-light);
  display: block;
}
.table-section-title {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--forest);
}

/* Size tab */
.size-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
}
.size-pill {
  background: var(--cream);
  border: 1px solid var(--stone-light);
  padding: 10px 14px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dark);
  font-weight: 400;
}

/* Packaging tab */
.packaging-table {
  width: 100%;
  border-collapse: collapse;
}
.packaging-table td,
.packaging-table th {
  padding: 16px 20px;
  border: 1px solid var(--stone-light);
  font-size: 0.88rem;
  vertical-align: top;
  line-height: 1.6;
}
.packaging-table th {
  background: var(--forest);
  color: white;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
}
.packaging-table td:last-child {
  font-weight: 500;
  color: var(--forest);
  font-size: 0.78rem;
  text-align: center;
  vertical-align: middle;
  background: var(--cream);
}
.packaging-table tr:nth-child(even) td:first-child {
  background: #f8f5f0;
}

/* ── BRAND STATEMENT ────────────────── */
.brand-statement-section {
  background: var(--stone-light);
  padding: 80px 0;
}
.brand-statement-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.brand-statement-quote {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 32px;
}
.brand-statement-author {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mid);
}

/* ── CONTACT SECTION ───────────────── */
.contact-section {
  background: var(--cream);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 20px;
}
.contact-info p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 40px;
}
.contact-details {
  list-style: none;
}
.contact-details li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--text-mid);
}
.contact-details li span:first-child {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  font-weight: 500;
  min-width: 60px;
  margin-top: 2px;
}

.contact-form {
  background: white;
  padding: 48px;
}
.form-status {
  color: var(--text-mid);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: 16px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--stone-light);
  background: var(--warm-white);
  font-family: "Jost", sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--forest);
}
.form-group textarea {
  height: 120px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── FOOTER ─────────────────────────── */
footer {
  background: var(--charcoal);
  color: white;
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .nav-logo {
  color: white;
  font-size: 1.6rem;
}
.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
  margin-top: 16px;
  font-weight: 300;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
  font-weight: 300;
}
.footer-col a:hover {
  color: white;
}
.footer-col address {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 300;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 300;
}

/* ── MATERIALS PAGE ─────────────────── */
.materials-hero {
  background: var(--forest-deep);
  color: white;
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center;
}
.materials-hero h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  margin-bottom: 20px;
}
.materials-hero p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.8;
}
.material-type-section {
  padding: 80px 0;
}
.material-type-section:nth-child(even) {
  background: var(--cream);
}
.material-type-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.material-type-section:nth-child(even) .material-type-inner {
  direction: rtl;
}
.material-type-section:nth-child(even) .material-type-text {
  direction: ltr;
}
.material-type-section:nth-child(even) .material-type-visual {
  direction: ltr;
}

.material-type-text .section-header {
  text-align: left;
  margin-bottom: 24px;
}
.material-type-text p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 16px;
}
.material-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.spec-box {
  padding: 16px;
  background: white;
  border-left: 3px solid var(--forest);
}
.spec-box strong {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 4px;
}
.spec-box span {
  font-size: 0.85rem;
  color: var(--text-mid);
}

.material-type-visual {
  position: relative;
}
.material-type-visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.material-type-visual::before {
  content: "";
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 80%;
  height: 80%;
  border: 2px solid var(--stone-light);
  z-index: -1;
}

/* ── ABOUT PAGE ─────────────────────── */
.about-hero {
  background: var(--cream);
  padding: calc(var(--nav-h) + 80px) 0 80px;
}
.about-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-hero-text h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 24px;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.team-card {
  text-align: center;
}
.team-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  margin-bottom: 16px;
}
.team-card h4 {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.2rem;
  font-weight: 400;
}
.team-card p {
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

/* ── PAGES SYSTEM ───────────────────── */
.page {
  display: none;
}
.page.active {
  display: block;
}

/* ── RESPONSIVE ─────────────────────── */
@media (max-width: 1280px) {
  :root {
    --nav-h: 144px;
  }
  nav {
    padding: 0 50px;
  }
  .nav-links {
    gap: 24px;
  }
}

@media (max-width: 1024px) {
  :root {
    --nav-h: 144px;
  }
  nav {
    padding: 0 30px;
  }
  .nav-links {
    gap: 18px;
  }
  .nav-links a {
    font-size: 0.9rem;
    letter-spacing: 0.09em;
  }
  .nav-cta {
    font-size: 0.85rem !important;
  }
  .container {
    padding: 0 30px;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-image {
    display: none;
  }
  .hero-content {
    padding: 60px 30px;
  }
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stones-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .about-section {
    grid-template-columns: 1fr;
  }
  .detail-hero-inner {
    grid-template-columns: 1fr;
  }
  .material-type-inner {
    grid-template-columns: 1fr;
  }
  .material-type-section:nth-child(even) .material-type-inner {
    direction: ltr;
  }
}

@media (max-width: 960px) {
  :root {
    --nav-h: 128px;
  }
  nav {
    padding: 0 24px;
  }
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
    background: var(--warm-white);
    padding: 24px 30px 32px;
    border-bottom: 1px solid var(--stone-light);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 112px;
  }
  nav {
    padding: 0 20px;
  }
  .nav-logo {
    gap: 8px;
  }
  .nav-logo-text {
    font-size: 1.35rem;
  }
  .stones-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  section {
    padding: 60px 0;
  }
  .material-specs-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .about-hero-inner {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.back-link {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.back-link:hover {
  gap: 10px;
}
.nav-links a.current {
  color: var(--forest);
}
.nav-links a.current::after {
  transform: scaleX(1);
}

/* ── BLOG ────────────────────────────────────────────────── */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 999;
}
.nav-overlay.open {
  display: block;
}

.blog-page-hero {
  background: var(--forest-deep);
  color: white;
  padding: calc(var(--nav-h) + 80px) 0 80px;
  text-align: center;
}
.blog-page-hero .section-eyebrow {
  color: var(--gold-light);
}
.blog-page-hero h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 20px;
}
.blog-page-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}
.blog-section {
  background: var(--cream);
}
.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: white;
  margin-bottom: 88px;
}
.blog-featured-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.blog-featured-image img,
.blog-card-image img,
.blog-article-cover img,
.blog-content-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-featured-image img {
  transition: transform 0.5s ease;
}
.blog-featured:hover .blog-featured-image img {
  transform: scale(1.04);
}
.blog-featured-content {
  padding: 56px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.blog-featured-content .section-eyebrow {
  margin-bottom: 24px;
}
.blog-featured-content h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 3vw, 2.7rem);
  font-weight: 300;
  line-height: 1.12;
  margin-bottom: 16px;
}
.blog-featured-content > p:not(.blog-card-category) {
  color: var(--text-mid);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 22px;
}
.blog-featured-content .btn-primary {
  margin-top: 28px;
}
.blog-list-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
}
.blog-list-header .section-eyebrow {
  margin-bottom: 10px;
}
.blog-filter {
  justify-content: flex-end;
  margin-bottom: 0;
}
.blog-card {
  background: white;
  overflow: hidden;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
.blog-card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.blog-card-image img {
  transition: transform 0.5s;
}
.blog-card:hover .blog-card-image img {
  transform: scale(1.04);
}
.blog-card-body {
  padding: 24px;
}
.blog-card-category {
  color: var(--stone-dark);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.blog-card-title {
  color: var(--text-dark);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 12px;
}
.blog-card-desc {
  color: var(--text-mid);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.7;
}
.blog-card-meta,
.blog-article-meta {
  color: var(--text-light);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  margin-top: 20px;
  text-transform: uppercase;
}
.blog-card .stone-card-link {
  border-top: 1px solid var(--stone-light);
  padding-top: 16px;
}
.blog-empty,
.blog-related-empty {
  color: var(--text-mid);
  font-size: 0.9rem;
  text-align: center;
}
.blog-status-section {
  background: var(--cream);
  min-height: 60vh;
  padding-top: calc(var(--nav-h) + 100px);
}
.blog-status {
  background: white;
  margin: 0 auto;
  max-width: 680px;
  padding: 56px;
  text-align: center;
}
.blog-status h1,
.blog-status h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  margin-bottom: 16px;
}
.blog-status p {
  color: var(--text-mid);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 28px;
}

.blog-article-header {
  background: var(--forest-deep);
  color: white;
  padding: calc(var(--nav-h) + 70px) 0 160px;
}
.blog-article-header-inner {
  max-width: 920px;
}
.blog-article-header .back-link {
  color: var(--gold-light);
  margin-bottom: 56px;
}
.blog-article-header .blog-card-category {
  color: var(--gold-light);
}
.blog-article-header h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.08;
  max-width: 900px;
}
.blog-article-header .blog-article-meta {
  color: rgba(255, 255, 255, 0.6);
}
.blog-article-cover {
  aspect-ratio: 16 / 8;
  background: var(--stone-light);
  margin: -90px auto 72px;
  max-width: 1040px;
  overflow: hidden;
}
.blog-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}
.blog-article-content {
  color: var(--text-mid);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
}
.blog-article-content > * + * {
  margin-top: 28px;
}
.blog-article-content h2 {
  color: var(--text-dark);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.2;
  margin-top: 52px;
}
.blog-article-content ul {
  padding-left: 24px;
}
.blog-article-content li {
  margin-bottom: 12px;
  padding-left: 8px;
}
.blog-article-content li::marker {
  color: var(--forest);
}
.blog-article-content blockquote {
  border-left: 3px solid var(--forest);
  color: var(--text-dark);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.55;
  margin: 44px 0;
  padding: 8px 0 8px 28px;
}
.blog-content-figure {
  aspect-ratio: 4 / 3;
  background: var(--stone-light);
  margin: 44px 0;
  overflow: hidden;
}
.blog-content-figure figcaption {
  background: var(--warm-white);
  color: var(--text-light);
  font-size: 0.75rem;
  font-style: italic;
  line-height: 1.5;
  padding: 10px 14px;
}
.blog-tags {
  border-top: 1px solid var(--stone-light);
  margin: 72px auto 0;
  max-width: 760px;
  padding-top: 32px;
}
.blog-tags h2 {
  color: var(--text-dark);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 16px;
}
.blog-tags ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.blog-tags li {
  border: 1px solid var(--stone-mid);
  color: var(--text-mid);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 7px 10px;
  text-transform: uppercase;
}
.blog-related {
  margin-top: 100px;
}
.blog-related .section-header {
  margin-bottom: 40px;
}
.blog-image-unavailable,
.image-unavailable {
  align-items: center;
  background: var(--stone-light);
  color: var(--text-light);
  display: flex;
  font-size: 0.7rem;
  justify-content: center;
  letter-spacing: 0.12em;
  min-height: 100%;
  text-transform: uppercase;
}
.image-unavailable::after {
  content: "Image unavailable";
}

@media (max-width: 1024px) {
  .blog-featured {
    grid-template-columns: 1fr;
  }
  .blog-featured-content {
    padding: 42px;
  }
  .blog-article-cover {
    margin-bottom: 60px;
  }
}

@media (max-width: 768px) {
  .blog-page-hero,
  .blog-article-header {
    padding-top: calc(var(--nav-h) + 60px);
  }
  .blog-list-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .blog-filter {
    justify-content: flex-start;
  }
  .blog-featured {
    margin-bottom: 60px;
  }
  .blog-featured-content,
  .blog-status {
    padding: 32px 24px;
  }
  .blog-article-header {
    padding-bottom: 120px;
  }
  .blog-article-header .back-link {
    margin-bottom: 40px;
  }
  .blog-article-cover {
    aspect-ratio: 4 / 3;
    margin: -65px 0 48px;
  }
  .blog-article-content {
    font-size: 0.95rem;
  }
  .blog-article-content blockquote {
    padding-left: 20px;
  }
  .blog-related {
    margin-top: 72px;
  }
}

/* Final production polish */
.page.active {
  animation: fadeIn 0.35s ease;
}

html.has-js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

html.has-js .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.nav-open {
  overflow: hidden;
}

.btn-primary,
.btn-outline {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  line-height: 1.2;
  min-height: 48px;
}

.detail-back {
  margin-bottom: 12px;
}

.tab-intro {
  color: var(--text-mid);
  font-size: 0.84rem;
  font-weight: 300;
  margin-bottom: 20px;
}

.tab-note {
  color: var(--text-light);
  font-size: 0.78rem;
  font-style: italic;
  margin-top: 20px;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.content-status {
  color: var(--text-mid);
  font-size: 0.95rem;
  grid-column: 1 / -1;
  padding: 36px;
  text-align: center;
}

.blog-content-figure {
  aspect-ratio: auto;
}

.blog-content-figure img {
  aspect-ratio: 4 / 3;
  display: block;
  height: auto;
}

@media (max-width: 1024px) {
  .hero {
    grid-template-rows: auto minmax(360px, 48vh);
    height: auto;
    min-height: 0;
  }

  .hero-image {
    display: block;
    min-height: 360px;
  }

}

@media (max-width: 768px) {
  .hero-content {
    min-height: 0;
    padding: 56px 20px;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 11vw, 3rem);
  }

  .hero p {
    margin-bottom: 32px;
  }

  .hero-image {
    min-height: 300px;
  }

  .container {
    padding: 0 20px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .about-content,
  .contact-form {
    padding: 36px 24px;
  }

  .detail-hero-inner,
  .contact-grid {
    gap: 40px;
  }

  .detail-tabs-nav {
    margin-bottom: 32px;
  }

  .tab-btn {
    padding: 14px 20px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .nav-logo-text {
    font-size: 1.2rem;
  }

  .hero-actions,
  .detail-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline,
  .detail-cta .btn-primary,
  .detail-cta .btn-outline {
    align-self: stretch;
    width: 100%;
  }

  .features-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .stones-filter {
    justify-content: flex-start;
    margin-bottom: 32px;
  }

  .filter-btn {
    min-height: 40px;
    padding: 8px 14px;
  }

  .about-table td {
    padding: 14px 12px;
  }

  .about-table td:first-child {
    width: 58%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  html.has-js .reveal {
    opacity: 1;
    transform: none;
  }
}