/* ============================================================
   Maison Olivané — Diamond Sourcing Page Styles
   ============================================================ */

/* ─── Hero ─────────────────────────────────────────────── */
.diamonds-hero {
  position: relative;
  height: clamp(380px, 55vh, 560px);
  padding-top: 80px;
  background-image: url('../images/stones-bg.jpg');
  background-size: cover;
  background-position: center 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.diamonds-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,26,26,0.65) 0%, rgba(26,26,26,0.45) 100%);
}
.diamonds-hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
  max-width: 700px;
}
.diamonds-hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 1rem;
  display: block;
}
.diamonds-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  color: var(--ivory);
  letter-spacing: 0.06em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.diamonds-hero-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.78rem, 1.5vw, 0.9rem);
  color: rgba(245,240,235,0.75);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

/* ─── Shared Utilities ─────────────────────────────────── */
.overline-gold {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.75rem;
}
.text-center { text-align: center; }

/* ─── Intro Section ────────────────────────────────────── */
.diamonds-intro-section {
  background: var(--ivory);
  padding: 6rem 2rem;
}
.diamonds-intro-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.diamonds-intro-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.diamonds-intro-text p {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--taupe);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: 1.25rem;
}
.diamonds-intro-text strong {
  color: var(--charcoal);
  font-weight: 400;
}
.diamonds-intro-certs {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cert-card {
  padding: 2rem;
  border: 1px solid var(--stone);
  background: #f7f3ee;
}
.cert-icon {
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.cert-card h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 0.2rem;
}
.cert-name {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.cert-desc {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--taupe);
  line-height: 1.8;
  font-weight: 300;
}

/* ─── Shapes Section ───────────────────────────────────── */
.shapes-section {
  background: var(--charcoal);
  padding: 6rem 2rem;
}
.shapes-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.shapes-section .overline-gold { color: var(--gold-light); }
.shapes-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--ivory);
  margin-bottom: 1rem;
}
.shapes-sub {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: rgba(212,203,194,0.65);
  font-weight: 300;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}
.shapes-sub a {
  color: var(--gold-light);
  text-decoration: none;
}
.shapes-sub a:hover { text-decoration: underline; }

.shapes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.shape-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.25rem;
  border: 1px solid rgba(212,203,194,0.15);
  text-decoration: none;
  transition: border-color 0.3s ease, background 0.3s ease;
  cursor: pointer;
}
.shape-card:hover {
  border-color: var(--gold);
  background: rgba(184,150,90,0.06);
}
.shape-icon-wrap {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  color: var(--gold-light);
  opacity: 0.8;
  transition: opacity 0.3s ease;
}
.shape-card:hover .shape-icon-wrap { opacity: 1; }
.shape-svg {
  width: 100%;
  height: 100%;
}
.shape-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ivory);
  margin-bottom: 0.5rem;
}
.shape-card p {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: rgba(212,203,194,0.55);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 1rem;
  flex: 1;
}
.shape-link {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(184,150,90,0.4);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}
.shape-card:hover .shape-link { border-color: var(--gold); }

/* ─── Sourcing Process ─────────────────────────────────── */
.sourcing-process-section {
  background: var(--ivory);
  padding: 6rem 2rem;
  border-top: 1px solid var(--stone);
}
.sourcing-process-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.sourcing-process-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 3.5rem;
}
.sourcing-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}
.sourcing-step {
  padding-top: 1.5rem;
  border-top: 2px solid var(--stone);
}
.step-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--stone);
  line-height: 1;
  margin-bottom: 1rem;
}
.sourcing-step h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}
.sourcing-step p {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--taupe);
  line-height: 1.85;
  font-weight: 300;
}

/* ─── Four Cs ──────────────────────────────────────────── */
.diamond-edu-section {
  background: #ede8e1;
  padding: 6rem 2rem;
}
.diamond-edu-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.diamond-edu-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 3rem;
}
.four-cs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.cs-card {
  padding: 2rem 1.5rem;
  background: var(--ivory);
  border-top: 2px solid var(--gold);
}
.cs-card h4 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}
.cs-card p {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--taupe);
  line-height: 1.85;
  font-weight: 300;
}

/* ─── Lab vs Mined ─────────────────────────────────────── */
.lab-vs-mined-section {
  background: var(--ivory);
  padding: 6rem 2rem;
  border-top: 1px solid var(--stone);
}
.lab-vs-mined-inner {
  max-width: 900px;
  margin: 0 auto;
}
.lab-vs-mined-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 3rem;
}
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.comparison-card {
  padding: 2.5rem;
  border: 1px solid var(--stone);
}
.comparison-card.natural {
  border-top: 3px solid var(--charcoal);
}
.comparison-card.lab {
  border-top: 3px solid var(--gold);
}
.comparison-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  background: var(--charcoal);
  color: var(--ivory);
  margin-bottom: 1rem;
}
.lab-badge {
  background: var(--gold);
  color: var(--ivory);
}
.comparison-header h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--charcoal);
  margin-bottom: 0.4rem;
}
.comparison-price {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--stone);
}
.comparison-list {
  list-style: none;
  margin-bottom: 2rem;
}
.comparison-list li {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--taupe);
  line-height: 1.7;
  font-weight: 300;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(212,203,194,0.4);
  padding-left: 1.25rem;
  position: relative;
}
.comparison-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}
.comparison-cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  background: var(--charcoal);
  color: var(--ivory);
  text-decoration: none;
  border: 1px solid var(--charcoal);
  transition: background 0.3s ease, border-color 0.3s ease;
  width: 100%;
  text-align: center;
}
.comparison-cta:hover {
  background: var(--gold);
  border-color: var(--gold);
}

/* ─── CTA Section ──────────────────────────────────────── */
.diamonds-cta-section {
  background: var(--charcoal);
  padding: 6rem 2rem;
  text-align: center;
}
.diamonds-cta-inner {
  max-width: 600px;
  margin: 0 auto;
}
.cta-emblem {
  height: 52px;
  margin: 0 auto 2rem;
  opacity: 0.4;
  filter: brightness(3);
}
.diamonds-cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--ivory);
  margin-bottom: 1.25rem;
}
.diamonds-cta-section p {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: rgba(212,203,194,0.65);
  line-height: 1.9;
  font-weight: 300;
  margin-bottom: 2.5rem;
}
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  background: var(--gold);
  color: var(--ivory);
  text-decoration: none;
  border: 1px solid var(--gold);
  transition: background 0.3s ease, color 0.3s ease;
}
.btn-primary:hover {
  background: #7d6d57;
  border-color: #7d6d57;
}
.btn-outline-dark {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  background: transparent;
  color: rgba(212,203,194,0.7);
  text-decoration: none;
  border: 1px solid rgba(212,203,194,0.3);
  transition: border-color 0.3s ease, color 0.3s ease;
}
.btn-outline-dark:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ─── Footer (shared with collection page) ─────────────── */
.footer {
  background: var(--black);
  padding: 4rem 2rem 2rem;
}
.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.footer-emblem {
  height: 44px;
  opacity: 0.45;
  filter: brightness(2);
}
.footer-name-img {
  height: 28px;
  opacity: 0.6;
  filter: brightness(2);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
  margin-bottom: 1.5rem;
}
.footer-nav a {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(212,203,194,0.45);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-nav a:hover { color: var(--gold); }
.footer-email {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: rgba(212,203,194,0.5);
  margin-bottom: 1rem;
}
.footer-email a { color: var(--gold); text-decoration: none; }
.footer-email a:hover { text-decoration: underline; }
.footer-copy {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  color: rgba(212,203,194,0.25);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.footer-disclaimer {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: rgba(212,203,194,0.2);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .shapes-grid { grid-template-columns: repeat(4, 1fr); }
  .sourcing-steps { grid-template-columns: 1fr 1fr; }
  .four-cs-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .diamonds-intro-inner { grid-template-columns: 1fr; gap: 3rem; }
  .shapes-grid { grid-template-columns: repeat(2, 1fr); }
  .sourcing-steps { grid-template-columns: 1fr; gap: 2rem; }
  .four-cs-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline-dark { width: 100%; max-width: 320px; text-align: center; }
}
@media (max-width: 480px) {
  .shapes-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .shape-card { padding: 1.25rem 0.75rem; }
}