/* ============================================================
   EDELSTEIN INVESTMENT - Main Stylesheet
   Design: Luxury Light | Navy + Gold
   ============================================================ */

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

/* ─── CSS Variables ─── */
:root {
  --navy:       #1B2A4A;
  --navy-light: #243560;
  --gold:       #C9A84C;
  --gold-light: #E8C96A;
  --gold-pale:  #F5EDD6;
  --white:      #FFFFFF;
  --off-white:  #F8F7F4;
  --gray-100:   #F2F2F0;
  --gray-200:   #E5E4E0;
  --gray-400:   #9B9B8E;
  --gray-600:   #5A5A52;
  --gray-900:   #1A1A14;
  --text:       #2C2C24;
  --text-light: #6B6B60;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 20px rgba(27,42,74,0.12);
  --shadow-lg:  0 12px 40px rgba(27,42,74,0.18);
  --shadow-xl:  0 24px 60px rgba(27,42,74,0.22);

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

  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);

  --max-w:      1240px;
  --section-py: 96px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  padding-bottom: 80px; /* sticky footer space */
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--text-light); line-height: 1.8; }

/* ─── Layout Utilities ─── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; }
.section-sm { padding: 64px 0; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.bg-navy { background: var(--navy); }
.bg-off-white { background: var(--off-white); }
.bg-gold-pale { background: var(--gold-pale); }

/* ─── Section Headers ─── */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 48px;
}

/* ─── Divider ─── */
.gold-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: 20px auto 40px;
  border-radius: 2px;
}
.gold-divider.left { margin-left: 0; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.5);
}
.btn-secondary {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--gold);
}
.btn-secondary:hover {
  background: var(--gold);
  color: var(--navy);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn-navy:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 44px; font-size: 1rem; }
.btn-sm { padding: 10px 22px; font-size: 0.82rem; }

/* ─── Navigation ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.navbar-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}
.navbar-logo .logo-main {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.navbar-logo .logo-sub {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--navy); background: var(--gray-100); }
.nav-links a.active { color: var(--gold); }
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: inherit;
}
.nav-dropdown-toggle:hover { color: var(--navy); background: var(--gray-100); }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text);
  transition: all var(--transition);
}
.nav-dropdown-menu a:hover { background: var(--gold-pale); color: var(--navy); }
.nav-dropdown-menu .stone-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nav-cta { margin-left: 12px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
  display: block;
}

/* ─── Mobile Nav ─── */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 16px 24px;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--gray-100);
}
.mobile-nav .mobile-sub {
  padding-left: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.pexels.com/photos/10582459/pexels-photo-10582459.jpeg?auto=compress&cs=tinysrgb&h=900');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,42,74,0.95) 50%, rgba(27,42,74,0.7));
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.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);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 span { color: var(--gold-light); }
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  margin-bottom: 40px;
  max-width: 580px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
  display: block;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

/* ─── Cards ─── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold);
}
.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card-body { padding: 28px; }
.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
}
.card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.card p { font-size: 0.9rem; margin-bottom: 20px; }
.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.card:hover .card-link { gap: 10px; }

/* ─── Stone Cards Grid ─── */
.stones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

/* ─── Feature List ─── */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
  font-size: 0.9rem;
  margin-top: 2px;
}
.feature-text strong { color: var(--navy); font-size: 0.95rem; }
.feature-text p { font-size: 0.87rem; margin: 0; }

/* ─── Stats Bar ─── */
.stats-bar {
  background: var(--navy);
  padding: 56px 0;
}
.stats-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { }
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold-light);
  display: block;
  line-height: 1;
}
.stat-unit { font-size: 1.4rem; color: var(--gold-light); }
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* ─── Calculator / Simulator ─── */
.calculator-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  max-width: 780px;
  margin: 0 auto;
}
.calc-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.calc-subtitle { font-size: 0.9rem; color: var(--text-light); margin-bottom: 36px; }
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
.calc-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.calc-field input,
.calc-field select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text);
  font-family: inherit;
  background: var(--white);
  transition: border-color var(--transition);
  appearance: none;
}
.calc-field input:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
.calc-result-box {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
  margin-top: 24px;
}
.result-item .result-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.result-item .result-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--gold-light);
  font-weight: 700;
}
.result-item .result-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
}
.calc-disclaimer {
  font-size: 0.72rem;
  color: var(--gray-400);
  margin-top: 16px;
  text-align: center;
  font-style: italic;
}

/* ─── Comparison Table ─── */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.compare-table thead tr {
  background: var(--navy);
  color: var(--white);
}
.compare-table th {
  padding: 20px 24px;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.compare-table th:first-child { width: 30%; }
.compare-table tbody tr:nth-child(even) { background: var(--off-white); }
.compare-table tbody tr:hover { background: var(--gold-pale); }
.compare-table td {
  padding: 18px 24px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
}
.compare-table .highlight-col {
  background: rgba(201,168,76,0.08);
  font-weight: 600;
  color: var(--navy);
}
.badge-winner {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-left: 8px;
}
.check { color: #22C55E; font-size: 1.1rem; }
.cross { color: #EF4444; font-size: 1.1rem; }

/* ─── Testimonials ─── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px; right: 24px;
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  color: var(--gold-pale);
  line-height: 1;
}
.testimonial-stars { color: var(--gold); margin-bottom: 16px; font-size: 0.9rem; }
.testimonial-text { font-size: 0.92rem; font-style: italic; margin-bottom: 24px; color: var(--text); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.author-name { font-weight: 600; font-size: 0.9rem; color: var(--navy); }
.author-role { font-size: 0.78rem; color: var(--text-light); }

/* ─── FAQ ─── */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.open { border-color: var(--gold); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--gray-100); }
.faq-item.open .faq-question { background: var(--gold-pale); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--gold);
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.35s ease;
  font-size: 0.9rem;
  color: var(--text-light);
}
.faq-item.open .faq-answer {
  padding: 16px 24px 24px;
  max-height: 300px;
}

/* ─── CTA Banner ─── */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
}
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 40px; }
.cta-banner .btn-cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── Sticky Footer ─── */
.sticky-footer-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 998;
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy-light) 100%);
  border-top: 2px solid var(--gold);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.sticky-footer-bar.visible { transform: translateY(0); }
.sticky-footer-text {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
}
.sticky-footer-text strong { color: var(--gold-light); }
.sticky-footer-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color var(--transition);
  flex-shrink: 0;
}
.sticky-footer-close:hover { color: var(--white); }

/* ─── Exit Popup ─── */
.exit-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,42,74,0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s ease;
  padding: 24px;
}
.exit-popup-overlay.open { opacity: 1; visibility: visible; }
.exit-popup {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 48px;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform 0.35s ease;
}
.exit-popup-overlay.open .exit-popup { transform: scale(1); }
.exit-popup-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gray-100);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  transition: all var(--transition);
}
.exit-popup-close:hover { background: var(--navy); color: var(--white); }
.popup-icon {
  width: 64px; height: 64px;
  background: var(--gold-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
}
.exit-popup h3 {
  text-align: center;
  margin-bottom: 12px;
  font-size: 1.5rem;
}
.exit-popup p {
  text-align: center;
  font-size: 0.9rem;
  margin-bottom: 28px;
}
.popup-form { display: flex; flex-direction: column; gap: 12px; }
.popup-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color var(--transition);
}
.popup-input:focus {
  outline: none;
  border-color: var(--gold);
}
.popup-skip {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 12px;
  cursor: pointer;
  text-decoration: underline;
}
.popup-skip:hover { color: var(--text); }

/* ─── Footer ─── */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-main { color: var(--white); }
.footer-brand .logo-sub { margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 24px; }
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold-light); }

/* ─── Stone Page Hero ─── */
.stone-hero {
  padding: 140px 0 80px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.stone-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.stone-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,42,74,0.8) 0%, rgba(27,42,74,0.95) 100%);
}
.stone-hero-content { position: relative; z-index: 2; max-width: 700px; }
.stone-hero h1 { color: var(--white); margin-bottom: 20px; }
.stone-hero p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 32px; }
.stone-color-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 20px;
}
.stone-color-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ─── Info Grid ─── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.info-grid.reverse .info-img { order: 2; }
.info-grid.reverse .info-text { order: 1; }
.info-img img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.info-text .section-label { margin-bottom: 8px; }

/* ─── Breadcrumb ─── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb span { color: var(--gold-light); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }

/* ─── Reveal on scroll ─── */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Tally iframe ─── */
.tally-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: 1fr; gap: 40px; }
  .info-grid.reverse .info-img { order: 0; }
  .info-grid.reverse .info-text { order: 0; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result-box { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; }
  .stats-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .calculator-wrap { padding: 28px 20px; }
  .exit-popup { padding: 32px 24px; }
  .sticky-footer-bar { flex-wrap: wrap; }
  .sticky-footer-text { font-size: 0.82rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .compare-table { font-size: 0.82rem; }
  .compare-table th, .compare-table td { padding: 12px 14px; }
  .hero-cta { flex-direction: column; }
}

@media (max-width: 480px) {
  :root { --section-py: 40px; }
  .container { padding: 0 16px; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .stones-grid { grid-template-columns: 1fr; }
}