:root {
  --red: #8B1E1E;
  --red-bright: #B32626;
  --gold: #C9A227;
  --gold-soft: #E3C66A;
  --charcoal: #121417;
  --charcoal-2: #1A1D22;
  --charcoal-3: #0F1114;
  --white: #F7F5F0;
  --stone: #D8D0C2;
  --muted: #B7AEA0;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--white);
  background: var(--charcoal);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}
.narrow { max-width: 860px; }

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  padding: 18px 0;
}
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}
.brand-logo { height: 56px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  color: var(--white);
  font-weight: 500;
  opacity: 0.92;
}
.nav-cta {
  border: 1px solid rgba(201, 162, 39, 0.45);
  background: rgba(201, 162, 39, 0.08);
  padding: 12px 18px;
  border-radius: 999px;
}
.menu-toggle {
  display: none;
  background: transparent;
  color: var(--white);
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(115deg, rgba(10, 12, 15, 0.92) 0%, rgba(10, 12, 15, 0.86) 35%, rgba(10, 12, 15, 0.62) 65%, rgba(10, 12, 15, 0.84) 100%),
    url('../images/hero-bg.jpg') center center / cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(139, 30, 30, 0.28), transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(201, 162, 39, 0.12), transparent 25%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 70px;
}
.eyebrow {
  display: inline-block;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.hero h1,
.section h2,
.hero-panel h2,
.inner-hero-content h1 {
  font-family: 'Cinzel', serif;
  line-height: 1.08;
  margin: 0 0 18px;
}
.hero h1 { font-size: clamp(2.7rem, 6vw, 5.2rem); max-width: 10.5ch; }
.hero p { max-width: 700px; color: #E3DDD2; font-size: 1.06rem; margin-bottom: 28px; }

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, #F0D487 0%, var(--gold) 100%);
  color: #1A1A1A;
  box-shadow: 0 12px 30px rgba(201, 162, 39, 0.24);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.small-btn { min-height: 44px; padding: 0 18px; }

.hero-stats,
.card-grid { display: grid; gap: 18px; }
.hero-stats { grid-template-columns: repeat(3, 1fr); }

.stat-card,
.info-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.stat-card h3,
.info-card h3,
.panel-item h4 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--gold-soft);
}
.mineral-card h3,
.mineral-detail-card h3 { color: var(--white); }
.stat-card p,
.info-card p,
.panel-item p {
  margin: 0;
  color: #DDD6CA;
  font-size: 0.96rem;
}

.hero-panel,
.glass-box,
.contact-box {
  background: linear-gradient(180deg, rgba(24, 28, 33, 0.88), rgba(12, 15, 18, 0.84));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.panel-tag {
  display: inline-block;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  margin-bottom: 12px;
}
.panel-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.panel-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(139,30,30,0.9), rgba(201,162,39,0.38));
  font-weight: 800;
  color: #fff;
}
.panel-cta-box {
  margin-top: 24px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(201,162,39,0.16), rgba(201,162,39,0.05));
  border: 1px solid rgba(201,162,39,0.2);
}
.panel-cta-box strong {
  display: block;
  margin-bottom: 8px;
  color: #F2E1A7;
}
.panel-cta-box p { margin-top: 0; margin-bottom: 16px; }

.section { padding: 90px 0; }
.section-dark {
  background: #13171C;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.section-heading { margin-bottom: 28px; }
.section h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section-text { color: #DDD6CA; font-size: 1.04rem; max-width: 820px; }

.four-grid { grid-template-columns: repeat(4, 1fr); }
.three-grid { grid-template-columns: repeat(3, 1fr); }
.two-grid { grid-template-columns: repeat(2, 1fr); }
.one-grid { grid-template-columns: 1fr; }

.minerals-section {
  background: linear-gradient(180deg, #171C21, #101419);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sustainability-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 30px;
  align-items: start;
}
.contact-section {
  background: linear-gradient(180deg, #15191E, #0F1317);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.contact-box p { color: #DDD6CA; max-width: 760px; }
.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: var(--stone);
}

.inner-hero { min-height: 62vh; align-items: end; }
.inner-hero-content {
  position: relative;
  z-index: 2;
  padding-top: 150px;
  padding-bottom: 70px;
}
.inner-hero-content h1 { max-width: 11ch; }
.inner-hero-content p {
  max-width: 760px;
  color: #E3DDD2;
  font-size: 1.05rem;
}
.page-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: #DDD6CA;
}
.page-list li { margin-bottom: 10px; }

.site-footer {
  background: #0C0F12;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 28px;
  padding: 56px 0 28px;
}
.footer-logo {
  max-width: 180px;
  height: auto;
  margin-bottom: 14px;
}
.footer-tagline {
  color: var(--gold-soft);
  font-weight: 600;
  margin: 0 0 12px;
}
.footer-text {
  color: var(--muted);
  max-width: 420px;
  margin: 0;
}
.footer-links h4,
.footer-contact h4 {
  margin: 0 0 14px;
  font-family: 'Cinzel', serif;
  color: var(--white);
  font-size: 1rem;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a,
.footer-contact p,
.footer-bottom p { color: var(--muted); }
.footer-links a:hover,
.footer-whatsapp:hover { color: var(--gold-soft); }
.footer-contact p { margin: 0 0 10px; }
.footer-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(201, 162, 39, 0.08);
  border: 1px solid rgba(201, 162, 39, 0.3);
  color: var(--white);
  font-weight: 600;
  margin-top: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 18px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 12px;
  right: 12px;
  background: rgba(16, 19, 24, 0.98);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 12px;
  z-index: 100;
}
.mobile-menu a {
  display: block;
  color: var(--white);
  padding: 14px 12px;
  border-radius: 12px;
  font-weight: 500;
}
.mobile-menu a:hover { background: rgba(255,255,255,0.05); }
.mobile-menu-cta {
  background: linear-gradient(135deg, #F0D487 0%, var(--gold) 100%);
  color: #1A1A1A !important;
  font-weight: 700 !important;
  text-align: center;
  margin-top: 8px;
}
.mobile-menu.active { display: block; }

@media (max-width: 1100px) {
  .hero-grid,
  .sustainability-grid,
  .contact-grid,
  .four-grid,
  .three-grid,
  .two-grid,
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .hero-grid,
  .sustainability-grid,
  .contact-grid,
  .four-grid,
  .three-grid,
  .two-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; }
  .hero-grid { padding-top: 120px; padding-bottom: 80px; }
  .brand-logo { height: 48px; }
  .inner-hero { min-height: 52vh; }
  .inner-hero-content {
    padding-top: 130px;
    padding-bottom: 50px;
  }
  .inner-hero-content h1,
  .hero h1 { max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 44px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .hero-actions,
  .contact-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-panel,
  .glass-box,
  .contact-box,
  .stat-card,
  .info-card { padding: 20px; }
}
.form-grid {
  display: grid;
  gap: 18px;
}

.inquiry-form {
  margin-top: 26px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.form-field label {
  color: var(--stone);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--white);
  border-radius: 16px;
  padding: 15px 16px;
  font: inherit;
  outline: none;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #bdb4a7;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(201,162,39,0.55);
  box-shadow: 0 0 0 3px rgba(201,162,39,0.12);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
}