/* ===================================================
   tijanramahi.de - Edelsteine Investment
   Design: Premium Banking Style
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --navy: #1A2B4A;
  --navy-dark: #0F1C33;
  --navy-mid: #243460;
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-pale: #F5EDD6;
  --white: #FFFFFF;
  --off-white: #F8F7F4;
  --light-gray: #F0EEE9;
  --mid-gray: #C8C5BC;
  --text-dark: #1A1A2E;
  --text-mid: #4A4A6A;
  --text-light: #7A7A9A;
  --border: #E2DFDA;
  --success: #2D6A4F;
  --danger: #C62828;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(26,43,74,0.08);
  --shadow: 0 4px 16px rgba(26,43,74,0.12);
  --shadow-lg: 0 12px 40px rgba(26,43,74,0.18);
  --shadow-xl: 0 24px 64px rgba(26,43,74,0.22);

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 80px; /* sticky footer offset */
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-mid); line-height: 1.75; }

.display-title {
  font-family: var(--font-display);
  font-weight: 700;
}

/* ── Layout ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.container-lg { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

section { padding: 80px 0; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-mid); max-width: 600px; font-size: 1.05rem; }
.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center .section-subtitle { margin: 0 auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
}
.btn-primary:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-gold {
  background: var(--gold);
  color: var(--white);
  border: 2px solid var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,168,76,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}
.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ── Navigation ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.nav-logo-sub {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--navy); background: var(--light-gray); }
.nav-link.active { color: var(--navy); font-weight: 600; }
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  background: none;
}
.nav-dropdown-toggle:hover { color: var(--navy); background: var(--light-gray); }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-dropdown-menu a:hover { background: var(--light-gray); color: var(--navy); }
.nav-dropdown-menu .gem-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-cta { margin-left: 8px; }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ── */
.hero {
  min-height: calc(100vh - 72px);
  background: var(--navy-dark);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,28,51,0.95) 0%, rgba(26,43,74,0.85) 50%, rgba(36,52,96,0.8) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold-light);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 span { color: var(--gold-light); }
.hero-desc { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 560px; margin-bottom: 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 64px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
  max-width: 480px;
}
.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Gem Cards Grid ── */
.gems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gem-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
}
.gem-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}
.gem-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.gem-card-body { padding: 24px; }
.gem-card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.gem-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.gem-card p { font-size: 0.875rem; color: var(--text-mid); margin-bottom: 16px; }
.gem-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.gem-card-return {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--success);
}
.gem-card-return span { font-size: 0.72rem; font-weight: 400; color: var(--text-light); display: block; }

/* ── Features ── */
.features-bg { background: var(--off-white); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-item { text-align: center; padding: 32px 24px; }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--navy);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}
.feature-item h3 { font-size: 1.05rem; margin-bottom: 10px; }
.feature-item p { font-size: 0.875rem; }

/* ── Split Section ── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
.split-img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 480px;
  object-fit: cover;
  box-shadow: var(--shadow-xl);
}

/* ── Simulator ── */
.simulator-section { background: var(--navy-dark); }
.simulator-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 48px;
  backdrop-filter: blur(10px);
}
.simulator-card .section-title { color: var(--white); }
.simulator-card .section-label { color: var(--gold); }
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.sim-form { display: flex; flex-direction: column; gap: 24px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
  height: 4px;
  cursor: pointer;
}
.form-group input[type="number"] {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input[type="number"]:focus { border-color: var(--gold); }
.form-group input[type="number"]::placeholder { color: rgba(255,255,255,0.3); }
.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}
.sim-tabs { display: flex; gap: 8px; }
.sim-tab {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
}
.sim-tab.active {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.sim-results { display: flex; flex-direction: column; gap: 16px; }
.sim-result-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sim-result-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; }
.sim-result-value { font-size: 1.5rem; font-weight: 800; color: var(--gold-light); }
.sim-result-card.highlight {
  background: rgba(201,168,76,0.12);
  border-color: rgba(201,168,76,0.35);
}
.sim-result-card.highlight .sim-result-value { font-size: 2rem; color: var(--gold-light); }
.sim-disclaimer {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ── Comparatif Table ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.comparison-table thead { background: var(--navy); color: var(--white); }
.comparison-table thead th {
  padding: 20px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
  letter-spacing: 0.03em;
}
.comparison-table thead th.featured { background: var(--gold); }
.comparison-table tbody tr:nth-child(even) { background: var(--off-white); }
.comparison-table tbody tr:hover { background: var(--gold-pale); }
.comparison-table td {
  padding: 16px 24px;
  font-size: 0.9rem;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border);
}
.comparison-table td:first-child { font-weight: 600; color: var(--navy); }
.comparison-table td.featured { background: rgba(201,168,76,0.06); font-weight: 600; color: var(--navy); }
.check-yes { color: var(--success); font-weight: 700; }
.check-no { color: var(--danger); }
.badge-featured {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-left: 6px;
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--navy);
  padding: 80px 0;
}
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,0.65); margin-top: 8px; }
.cta-banner-actions { display: flex; flex-shrink: 0; gap: 12px; }

/* ── Stone Page Hero ── */
.stone-hero {
  padding: 80px 0;
  background: var(--navy-dark);
  position: relative;
  overflow: hidden;
}
.stone-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.stone-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,28,51,0.98) 0%, rgba(26,43,74,0.8) 60%, transparent 100%);
}
.stone-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.stone-hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.stone-hero h1 { color: var(--white); }
.stone-hero p { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-top: 16px; }
.stone-hero-img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,0.1);
}
.stone-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stone-stat-val { font-size: 1.6rem; font-weight: 800; color: var(--gold-light); }
.stone-stat-lab { font-size: 0.75rem; color: rgba(255,255,255,0.5); text-transform: uppercase; }

/* ── Info Cards ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.info-card h4 { margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.info-card p { font-size: 0.875rem; }
.info-icon {
  width: 36px;
  height: 36px;
  background: var(--gold-pale);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
}

/* ── FAQ ── */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: none;
  gap: 16px;
}
.faq-icon {
  width: 24px;
  height: 24px;
  background: var(--light-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-size: 1.2rem;
  color: var(--navy);
  font-weight: 300;
}
.faq-item.open .faq-icon {
  background: var(--navy);
  color: var(--white);
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 0 20px;
  color: var(--text-mid);
  font-size: 0.925rem;
  line-height: 1.75;
}
.faq-item.open .faq-answer { display: block; }

/* ── Contact / Tally ── */
.tally-wrapper {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}
.contact-item h4 { margin-bottom: 4px; font-size: 0.9rem; }
.contact-item p { font-size: 0.875rem; }

/* ── Maillage interne / Related ── */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: all var(--transition);
}
.related-card:hover {
  background: var(--navy);
  border-color: var(--navy);
  transform: translateY(-2px);
}
.related-card:hover .related-name { color: var(--white); }
.related-card:hover .related-sub { color: rgba(255,255,255,0.6); }
.related-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.related-name { font-size: 0.9rem; font-weight: 600; color: var(--navy); }
.related-sub { font-size: 0.75rem; color: var(--text-light); }

/* ── Footer ── */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.6);
}
.footer-top {
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .nav-logo-name { color: var(--white); font-size: 1.2rem; }
.footer-brand .nav-logo-sub { color: var(--gold); }
.footer-brand p { font-size: 0.875rem; margin-top: 16px; color: rgba(255,255,255,0.5); line-height: 1.7; }
.footer-col h5 { color: var(--white); font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}
.footer-bottom a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold); }

/* ── Sticky Footer Bar ── */
.sticky-footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--navy);
  border-top: 2px solid var(--gold);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.3);
}
.sticky-footer-bar.visible { transform: translateY(0); }
.sticky-bar-text {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
}
.sticky-bar-text strong { color: var(--gold-light); }
.sticky-bar-actions { display: flex; align-items: center; gap: 12px; }
.sticky-bar-close {
  color: rgba(255,255,255,0.4);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  transition: color var(--transition);
}
.sticky-bar-close:hover { color: var(--white); }

/* ── Exit Popup ── */
.exit-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,28,51,0.8);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
  backdrop-filter: blur(4px);
}
.exit-popup-overlay.visible {
  opacity: 1;
  visibility: visible;
}
.exit-popup {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
}
.exit-popup-overlay.visible .exit-popup {
  transform: scale(1) translateY(0);
}
.exit-popup-header {
  background: var(--navy);
  padding: 32px 32px 24px;
  text-align: center;
  position: relative;
}
.exit-popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.exit-popup-close:hover { background: rgba(255,255,255,0.2); color: var(--white); }
.exit-popup-emoji { font-size: 2.5rem; margin-bottom: 12px; }
.exit-popup-header h3 { color: var(--white); font-size: 1.4rem; }
.exit-popup-header p { color: rgba(255,255,255,0.65); font-size: 0.9rem; margin-top: 8px; }
.exit-popup-body { padding: 32px; }
.exit-popup-benefits { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.exit-popup-benefit {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-mid);
}
.exit-popup-benefit .check { color: var(--success); font-weight: 700; }

/* ── Scroll Reveal ── */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-on-scroll.delay-1 { transition-delay: 0.1s; }
.reveal-on-scroll.delay-2 { transition-delay: 0.2s; }
.reveal-on-scroll.delay-3 { transition-delay: 0.3s; }
.reveal-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ── Trust Bar ── */
.trust-bar {
  background: var(--off-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.trust-item svg { color: var(--gold); }

/* ── Breadcrumb ── */
.breadcrumb {
  padding: 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb-sep { color: var(--mid-gray); }

/* ── Performance Table ── */
.perf-table {
  width: 100%;
  border-collapse: collapse;
}
.perf-table th {
  background: var(--navy);
  color: var(--white);
  padding: 14px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: left;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.perf-table td {
  padding: 14px 20px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-mid);
}
.perf-table tr:last-child td { border-bottom: none; }
.perf-table tr:hover td { background: var(--off-white); }
.perf-table td:first-child { font-weight: 600; color: var(--navy); }
.positive { color: var(--success); font-weight: 700; }
.negative { color: var(--danger); }

/* ── Mobile Nav ── */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 99;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { padding: 12px 16px; border-radius: var(--radius); }
  .nav-dropdown-menu { position: static; box-shadow: none; border: none; background: var(--light-gray); opacity: 1; visibility: visible; transform: none; }
  .nav-cta { margin-left: 0; }
  .nav-cta .btn { width: 100%; justify-content: center; }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .gems-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stone-hero-inner { grid-template-columns: 1fr; }
  .stone-hero-img { max-height: 300px; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .gems-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .split-section { grid-template-columns: 1fr; gap: 40px; }
  .split-section.reverse { direction: ltr; }
  .sim-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner-inner { flex-direction: column; text-align: center; }
  .cta-banner-actions { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .sticky-footer-bar { flex-direction: column; text-align: center; gap: 10px; }
  .trust-bar-inner { gap: 24px; }
  .stone-stats { flex-wrap: wrap; gap: 20px; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .simulator-card { padding: 28px 20px; }
  .exit-popup-body { padding: 24px; }
  .exit-popup-header { padding: 24px 24px 20px; }
}