@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --navy: #1a2a5e;
  --navy-dark: #0f1a3d;
  --navy-light: #243570;
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --teal: #2a9d8f;
  --teal-light: #3ab5a5;
  --silver: #b0bec5;
  --white: #ffffff;
  --off-white: #f5f6f8;
  --gray-light: #eaebee;
  --text-dark: #1a1a2e;
  --text-mid: #4a5568;
  --text-light: #718096;
  --shadow-sm: 0 2px 8px rgba(26,42,94,0.08);
  --shadow-md: 0 6px 24px rgba(26,42,94,0.12);
  --shadow-lg: 0 16px 48px rgba(26,42,94,0.18);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1;
}

/* ── NAVIGATION ── */
.nav {
  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 rgba(201,168,76,0.2);
  transition: var(--transition);
}
.nav.scrolled {
  box-shadow: var(--shadow-md);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 100px;
}
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo img { height: 80px; width: auto; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-text .brand { font-family: 'Lora', Georgia, serif; font-size: 1.05rem; font-weight: 700; color: var(--navy); }
.nav-logo-text .tagline { font-family: 'Inter', system-ui, sans-serif; font-size: 0.8rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-mid); text-decoration: none;
  position: relative; padding-bottom: 2px;
  transition: var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--gold);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--navy); }
.nav-links a.active::after { width: 100%; }
.nav-cta {
  background: var(--navy); color: var(--white) !important;
  padding: 0.5rem 1.25rem !important; border-radius: 2px;
  transition: var(--transition) !important;
}
.nav-cta:hover { background: var(--gold) !important; color: var(--navy) !important; }
.nav-cta::after { display: none !important; }
.hamburger {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; cursor: pointer; padding: 8px;
  width: 44px; height: 44px; border-radius: 4px;
  background: transparent; border: 1px solid rgba(26,42,94,0.15);
  transition: var(--transition);
  z-index: 1001;
}
.hamburger:hover { background: rgba(26,42,94,0.05); border-color: var(--gold); }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.2s ease; transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
body.menu-open { overflow: hidden; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  padding-top: 80px;
}
.hero-particles {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(201,168,76,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(42,157,143,0.08) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(201,168,76,0.05) 0%, transparent 30%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: linear-gradient(var(--white) 1px, transparent 1px),
                    linear-gradient(90deg, var(--white) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 4rem 2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold-light); padding: 0.35rem 1rem; border-radius: 2px;
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.75rem; letter-spacing: 0.09em; text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-badge::before { content: '◆'; font-size: 0.6rem; }
.hero h1 {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; line-height: 1.1;
  color: var(--white); margin-bottom: 1.5rem;
}
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero p {
  font-size: 1.1rem; color: rgba(255,255,255,0.75); line-height: 1.8;
  margin-bottom: 2.5rem; max-width: 480px; font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--gold); color: var(--navy-dark);
  padding: 0.9rem 2rem; border-radius: 2px;
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
  transition: var(--transition); border: 2px solid var(--gold);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.4); }
.btn-outline {
  background: transparent; color: var(--white);
  padding: 0.9rem 2rem; border-radius: 2px;
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem;
  transition: var(--transition); border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.hero-visual {
  display: flex; justify-content: center; align-items: center; position: relative;
}
.hero-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 6px; padding: 2.25rem; width: 100%; max-width: 420px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  position: relative;
}
.hero-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.6;
}
.hero-card-header { padding-bottom: 0.25rem; }
.hero-card-eyebrow {
  display: inline-block; font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.75rem;
}
.hero-card-title {
  font-family: 'Lora', Georgia, serif; font-size: 1.4rem; line-height: 1.3;
  color: var(--white); margin: 0 0 0.85rem 0; font-weight: 600;
}
.hero-card-body { font-size: 0.93rem; color: rgba(255,255,255,0.78); line-height: 1.7; margin: 0; font-weight: 300; }
.hero-checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; font-size: 0.88rem; color: rgba(255,255,255,0.85); }
.hero-checks li { display: flex; gap: 0.7rem; align-items: flex-start; line-height: 1.5; }
.hero-checks .check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px;
  background: rgba(201,168,76,0.18); color: var(--gold-light);
  border-radius: 50%; font-size: 0.75rem; font-weight: 700;
}
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.stat-item { text-align: center; padding: 1.25rem; background: rgba(255,255,255,0.04); border-radius: 3px; }
.stat-num {
  font-family: 'Lora', Georgia, serif; font-size: 2.2rem; font-weight: 700;
  color: var(--gold-light); display: block;
}
.stat-label { font-family: 'Inter', system-ui, sans-serif; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }
.hero-divider { border: none; border-top: 1px solid rgba(255,255,255,0.12); margin: 1.5rem 0; }
.hero-cert { display: flex; align-items: center; gap: 0.75rem; }
.cert-icon { width: 40px; height: 40px; background: rgba(201,168,76,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.cert-text { font-size: 0.8rem; color: rgba(255,255,255,0.7); line-height: 1.4; }
.cert-text strong { color: var(--white); display: block; }

/* ── SECTION BASE ── */
section { padding: 5rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gold); display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.section-label::before { content: ''; display: block; width: 32px; height: 2px; background: var(--gold); }
.section-title {
  font-family: 'Lora', Georgia, serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700;
  color: var(--navy); line-height: 1.2; margin-bottom: 1.25rem;
}
.section-title em { font-style: normal; color: var(--gold); }
.section-intro { font-size: 1.05rem; color: var(--text-mid); max-width: 600px; line-height: 1.8; font-weight: 300; }

/* ── ABOUT STRIP ── */
.about-strip {
  background: linear-gradient(180deg, var(--navy-dark) 0%, #0a1430 100%);
  padding: 2rem; border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
}
.about-strip .container { display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.strip-item {
  display: flex; align-items: center; gap: 0.65rem;
  color: rgba(255,255,255,0.85); font-size: 0.88rem; font-weight: 400;
  font-family: 'Inter', system-ui, sans-serif; letter-spacing: 0.06em;
}
.strip-icon { color: var(--gold); font-size: 1.15rem; filter: drop-shadow(0 1px 2px rgba(201,168,76,0.4)); }
.strip-divider { width: 1px; height: 24px; background: linear-gradient(180deg, transparent, rgba(201,168,76,0.3), transparent); margin: 0 0.5rem; }

/* ── PRODUCTS ── */
.products {
  background: linear-gradient(180deg, var(--off-white) 0%, #eef0f3 100%);
  position: relative;
}
.products::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 3px; background: var(--gold); border-radius: 2px;
}
.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.75rem; margin-top: 3rem; }
.product-card {
  background: var(--white); border-radius: 6px; overflow: hidden;
  box-shadow: 0 4px 12px rgba(26,42,94,0.06), 0 1px 2px rgba(26,42,94,0.04);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s cubic-bezier(0.4,0,0.2,1);
  border-bottom: 3px solid transparent;
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(26,42,94,0.18), 0 4px 12px rgba(201,168,76,0.15);
  border-bottom-color: var(--gold);
}
.product-card::after {
  content: '→'; position: absolute; top: 1.5rem; right: 1.5rem;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(201,168,76,0.12); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; opacity: 0; transform: translateX(-8px);
  transition: var(--transition);
  z-index: 2;
}
.product-card:hover::after { opacity: 1; transform: translateX(0); }
.product-img {
  height: 200px; position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; overflow: hidden;
}
.product-img.silica-sand { background: linear-gradient(135deg, #f5f0e8, #e8dfc8); }
.product-img.quartz-powder { background: linear-gradient(135deg, #e8f0f5, #c8dce8); }
.product-img.quartz-grains { background: linear-gradient(135deg, #f0f5e8, #d8e8c8); }
.product-img.industrial-silica { background: linear-gradient(135deg, #f5e8e8, #e8c8c8); }
.product-img.hpq { background: linear-gradient(135deg, #f0e8f5, #d8c8e8); }
.product-img.custom { background: linear-gradient(135deg, #e8f5f0, #c8e8dc); }
.mineral-visual {
  width: 120px; height: 120px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 3.5rem;
  background: rgba(255,255,255,0.6); box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.product-body { padding: 1.75rem; }
.product-grade {
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.75rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.5rem;
}
.product-body h3 { font-family: 'Lora', Georgia, serif; font-size: 1.25rem; color: var(--navy); margin-bottom: 0.75rem; }
.product-body p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; margin-bottom: 1.25rem; }
.product-specs { display: flex; gap: 1rem; flex-wrap: wrap; }
.spec-tag {
  background: var(--gray-light); color: var(--navy);
  padding: 0.25rem 0.6rem; border-radius: 2px;
  font-size: 0.8rem; font-family: 'Inter', system-ui, sans-serif; letter-spacing: 0.05em;
}

/* ── WHY US ── */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 3rem; }
.why-list { display: flex; flex-direction: column; gap: 1.5rem; }
.why-item { display: flex; gap: 1.25rem; align-items: flex-start; }
.why-icon-wrap {
  width: 48px; height: 48px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 3px; display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 1.3rem;
}
.why-text h4 { font-family: 'Lora', Georgia, serif; font-size: 1.05rem; color: var(--navy); margin-bottom: 0.35rem; }
.why-text p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.7; }
.why-image-block { position: relative; }
.australia-card {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  border-radius: 4px; padding: 2.5rem; color: var(--white); position: relative; overflow: hidden;
}
.australia-card::before {
  content: '🌏'; position: absolute; right: -20px; bottom: -20px;
  font-size: 10rem; opacity: 0.08;
}
.australia-card h3 { font-family: 'Lora', Georgia, serif; font-size: 1.5rem; margin-bottom: 0.75rem; }
.australia-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 1.5rem; }
.regions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.region-tag {
  background: rgba(201,168,76,0.2); border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold-light); padding: 0.3rem 0.75rem; border-radius: 2px;
  font-size: 0.8rem; font-family: 'Inter', system-ui, sans-serif; letter-spacing: 0.06em;
}

/* ── APPLICATIONS ── */
.applications {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  position: relative; overflow: hidden;
}
.applications::before {
  content: ''; position: absolute; inset: 0; opacity: 0.4;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(201,168,76,0.08), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(42,157,143,0.08), transparent 40%);
  pointer-events: none;
}
.applications > * { position: relative; z-index: 1; }
.applications .section-title { color: var(--white); }
.applications .section-intro { color: rgba(255,255,255,0.65); }
.app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; margin-top: 3rem; }
.app-card {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 5px; padding: 2rem;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  backdrop-filter: blur(4px);
}
.app-card:hover {
  background: rgba(201,168,76,0.08);
  border-color: rgba(201,168,76,0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.25);
}
.app-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2)); }
.app-card h4 { font-family: 'Lora', Georgia, serif; color: var(--white); font-size: 1rem; margin-bottom: 0.5rem; }
.app-card p { font-size: 0.88rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ── PROCESS ── */
.process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; margin-top: 3rem; position: relative; }
.process-step { text-align: center; padding: 2.5rem 1.5rem; position: relative; }
.process-step::after {
  content: '→'; position: absolute; right: -12px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 1.5rem; z-index: 1;
}
.process-step:last-child::after { display: none; }
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: var(--white); font-family: 'Lora', Georgia, serif; font-size: 1.5rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem;
  box-shadow: 0 4px 16px rgba(26,42,94,0.3);
}
.process-step h4 { font-family: 'Lora', Georgia, serif; color: var(--navy); font-size: 1rem; margin-bottom: 0.5rem; }
.process-step p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.6; }

/* ── CONTACT ── */
.contact { background: var(--off-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; margin-top: 3rem; }
.contact-info h3 { font-family: 'Lora', Georgia, serif; font-size: 1.4rem; color: var(--navy); margin-bottom: 1.5rem; }
.contact-detail { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.25rem; }
.contact-icon { width: 40px; height: 40px; background: var(--navy); border-radius: 3px; display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 1rem; flex-shrink: 0; }
.contact-text { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }
.contact-text strong { color: var(--navy); font-size: 0.8rem; font-family: 'Inter', system-ui, sans-serif; letter-spacing: 0.06em; text-transform: uppercase; display: block; margin-bottom: 0.2rem; }
.contact-text a { color: var(--teal); text-decoration: none; }
.contact-text a:hover { color: var(--gold); }
.contact-form-wrap {
  background: var(--white); border-radius: 4px; padding: 2.5rem; box-shadow: var(--shadow-md);
}
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: block; font-family: 'Inter', system-ui, sans-serif; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--navy); margin-bottom: 0.4rem; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1.5px solid var(--gray-light);
  border-radius: 2px; font-family: 'Inter', system-ui, sans-serif; font-size: 0.9rem;
  color: var(--text-dark); background: var(--white); transition: var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,42,94,0.08); }
textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%; background: var(--navy); color: var(--white);
  padding: 1rem; border: none; border-radius: 2px; cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  transition: var(--transition);
}
.form-submit:hover { background: var(--gold); color: var(--navy); }
.form-note { font-size: 0.8rem; color: var(--text-light); margin-top: 0.75rem; text-align: center; }
.form-consent { font-size: 0.75rem; color: var(--text-mid); margin-top: 1rem; padding: 0.85rem 1rem; background: var(--off-white); border-left: 2px solid var(--gold); border-radius: 0 3px 3px 0; line-height: 1.7; }
.form-consent a { color: var(--teal); text-decoration: underline; }
.form-consent a:hover { color: var(--gold); }
.success-msg { display: none; background: #e6f7f0; border: 1px solid #34c97a; color: #1a7a4a; padding: 1rem; border-radius: 2px; margin-top: 1rem; text-align: center; font-size: 0.9rem; }

/* ── FOOTER ── */
footer { background: var(--navy-dark); color: rgba(255,255,255,0.7); }
.footer-top { padding: 3.5rem 2rem 2rem; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand img {
  height: 80px;
  width: auto;
  margin-bottom: 1rem;
  background: #ffffff;
  padding: 10px 16px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.footer-brand p { font-size: 0.85rem; line-height: 1.8; max-width: 260px; }
.footer-col h5 { font-family: 'Inter', system-ui, sans-serif; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 1.25rem 2rem; }
.footer-bottom .container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 0.88rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; }
.footer-credit { font-size: 0.75rem !important; color: rgba(255,255,255,0.35) !important; }
.footer-credit a { color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; }
.footer-credit a:hover { color: var(--gold); }

/* ── ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 8rem 2rem 4rem; text-align: center;
}
.page-hero h1 { font-family: 'Lora', Georgia, serif; font-size: clamp(2rem, 5vw, 3.5rem); color: var(--white); margin-bottom: 1rem; }
.page-hero p { font-size: 1.05rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: 0.5rem; align-items: center; margin-bottom: 1rem; font-size: 0.88rem; font-family: 'Inter', system-ui, sans-serif; letter-spacing: 0.06em; text-transform: uppercase; }
.breadcrumb a { color: var(--gold); text-decoration: none; }
.breadcrumb span { color: rgba(255,255,255,0.4); }

/* ── UTILITY ── */
.text-center { text-align: center; }
.text-center .section-label { justify-content: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.gold-line { width: 60px; height: 3px; background: var(--gold); margin: 1.25rem auto; }
.two-col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 980px) { .two-col-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

/* ── RESPONSIVE ── */
@media (max-width: 980px) {
  .nav-inner { padding: 0 1.25rem; height: 76px; }
  .nav-logo img { height: 56px; }
  .nav-logo-text .brand { font-size: 0.95rem; }
  .nav-logo-text .tagline { font-size: 0.6rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    /* Use explicit top + height (not bottom:0) so this works even though
       .nav has backdrop-filter, which makes .nav the containing block for
       fixed-positioned descendants. With bottom:0 against a 76px parent
       the computed height collapsed to 0 and only the first item was visible. */
    position: fixed; top: 76px; left: 0; right: 0;
    height: calc(100vh - 76px);
    max-height: calc(100vh - 76px);
    background: linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%);
    padding: 2.5rem 2rem 3rem; gap: 0;
    align-items: stretch; z-index: 999;
    box-shadow: inset 0 1px 0 rgba(201,168,76,0.15);
    animation: slideDown 0.28s cubic-bezier(0.4,0,0.2,1);
    overflow-y: auto;
  }
  .nav-links.open li { border-bottom: 1px solid rgba(26,42,94,0.08); }
  .nav-links.open li:last-child { border-bottom: none; margin-top: 1rem; }
  .nav-links.open a {
    display: block; font-size: 1.05rem; letter-spacing: 0.1em;
    padding: 1.1rem 0.25rem; color: var(--navy);
  }
  .nav-links.open a::after { display: none; }
  .nav-links.open a:hover { color: var(--gold); padding-left: 0.5rem; }
  .nav-links.open .nav-cta {
    background: var(--navy); color: var(--white) !important;
    text-align: center; padding: 1rem !important; border-radius: 3px;
    letter-spacing: 0.06em;
  }
  .hero { padding-top: 96px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; padding: 3rem 1.5rem; gap: 2.5rem; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero p { font-size: 1rem; }
  .hero-visual { order: 2; }
  .hero-card { padding: 1.75rem; max-width: 100%; }
  .hero-card-title { font-size: 1.2rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { justify-content: center; width: 100%; }
  section { padding: 3.5rem 1.25rem; }
  .why-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; padding: 0; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step { padding: 1.5rem 0.5rem; }
  .process-step::after { display: none; }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 640px) {
  .nav-inner { height: 68px; padding: 0 1rem; }
  .nav-logo img { height: 48px; }
  .nav-logo-text .brand { font-size: 0.85rem; }
  .nav-logo-text .tagline { font-size: 0.55rem; }
  .nav-links.open {
    top: 68px; left: 0; right: 0;
    height: calc(100vh - 68px);
    max-height: calc(100vh - 68px);
    padding: 2rem 1.5rem 3rem;
  }
  .hero { padding-top: 88px; }
  .hero-inner { padding: 2.5rem 1.25rem; }
  .hero-card { padding: 1.5rem; }
  section { padding: 3rem 1rem; }
  .section-title { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .page-hero { padding: 6rem 1.25rem 3rem; }
  .footer-top { padding: 2.5rem 1.25rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { padding: 1rem 1.25rem; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 1.75rem 1.25rem; }
  .about-strip { padding: 1.5rem 1rem; }
  .about-strip .container { flex-direction: column; align-items: flex-start; gap: 0.85rem; }
  .strip-divider { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr 1fr; gap: 0.85rem; }
  .app-card { padding: 1.25rem 1rem; }
  .australia-card { padding: 1.75rem 1.25rem; }
  .australia-card h3 { font-size: 1.2rem; }
}

/* =====================================================================
   PRODUCT IMAGERY — shared gallery + lightbox component
   Used on every product page + as hero thumbs on products.html / index.html
   ===================================================================== */

/* Hero product photo — used inside the product-overview grid */
.product-hero-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, #eef2f8, #dde5ef);
  box-shadow: 0 10px 40px rgba(26, 42, 94, 0.14);
  cursor: zoom-in;
}
.product-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.product-hero-photo:hover img { transform: scale(1.04); }
.product-hero-photo::after {
  content: "⤢";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(26, 42, 94, 0.78);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.product-hero-photo:hover::after,
.product-hero-photo:focus-visible::after { opacity: 1; }
.product-hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, rgba(15, 26, 61, 0) 0%, rgba(15, 26, 61, 0.8) 85%);
  color: #fff;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  pointer-events: none;
}

/* Gallery section — responsive grid that stacks cleanly on mobile */
.product-gallery {
  margin: 3rem 0;
}
.product-gallery-heading {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--navy, #1a2a5e);
  margin-bottom: 0.5rem;
  display: inline-block;
  padding-bottom: 0.4rem;
  border-bottom: 3px solid var(--gold, #c9a84c);
}
.product-gallery-sub {
  color: var(--text-mid, #4a5568);
  margin-bottom: 2rem;
  max-width: 720px;
  line-height: 1.7;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.gallery-item {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  background: #eef2f8;
  cursor: zoom-in;
  box-shadow: 0 4px 14px rgba(26, 42, 94, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  border: none;
  padding: 0;
  display: block;
  width: 100%;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.gallery-item:hover,
.gallery-item:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(26, 42, 94, 0.18);
  outline: none;
}
.gallery-item:hover img,
.gallery-item:focus-visible img { transform: scale(1.06); }
.gallery-item .gallery-label {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.5rem 0.75rem;
  background: linear-gradient(180deg, rgba(15, 26, 61, 0) 0%, rgba(15, 26, 61, 0.75) 100%);
  color: #fff;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  pointer-events: none;
}

/* Lightbox — accessible modal with arrows + close */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 36, 0.94);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0) env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
  animation: lbFade 0.25s ease;
}
.lightbox.open { display: flex; }
@keyframes lbFade {
  from { opacity: 0; } to { opacity: 1; }
}
.lightbox-stage {
  position: relative;
  width: min(100%, 1100px);
  height: min(100%, 92vh);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(6px);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255, 255, 255, 0.25); transform: scale(1.06); }
.lightbox-close { top: 14px; right: 14px; }
.lightbox-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 14px; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-next:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-family: 'Inter', system-ui, sans-serif;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.lightbox-caption {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 80%;
  text-align: center;
  color: #fff;
  font-size: 0.9rem;
  line-height: 1.5;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

body.lightbox-open { overflow: hidden; }

/* Catalog / homepage card photo backgrounds */
.catalog-img.has-photo,
.product-img.has-photo { background: #000; position: relative; overflow: hidden; }
.catalog-img.has-photo img,
.product-img.has-photo img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.catalog-card:hover .catalog-img.has-photo img,
.product-card:hover .product-img.has-photo img { transform: scale(1.08); }
.catalog-img.has-photo .mineral-visual,
.product-img.has-photo .mineral-visual {
  position: relative; z-index: 2;
  background: rgba(255,255,255,0.86) !important;
  backdrop-filter: blur(4px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.25);
}
.catalog-img.has-photo::after,
.product-img.has-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,26,61,0) 40%, rgba(15,26,61,0.55) 100%);
  z-index: 1;
}

/* Mobile tightening for the product pages that inline their own styles */
@media (max-width: 640px) {
  .product-hero-photo { aspect-ratio: 4 / 5; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.65rem; }
  .gallery-item { aspect-ratio: 3 / 4; }
  .lightbox-stage { padding: 1rem; }
  .lightbox-close { top: 8px; right: 8px; width: 40px; height: 40px; }
  .lightbox-prev { left: 6px; width: 40px; height: 40px; }
  .lightbox-next { right: 6px; width: 40px; height: 40px; }
  .lightbox-caption { font-size: 0.8rem; bottom: 48px; }
}

/* ============================================================
   PRODUCT PAGE — unified styling across all product detail pages
   Scope: body.product-page
   Covers: quartz-powder, quartz-grit, potash-feldspar, soda-feldspar,
           dolomite-powder, mica
   ============================================================ */

body.product-page { background: var(--white); color: var(--text-dark); }

/* ---------- HERO (dark navy, consistent across all product pages) ---------- */
body.product-page .hero,
body.product-page .product-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-light) 100%);
  color: var(--white);
  padding: 130px 0 70px;
  min-height: auto;
  display: block;
  position: relative;
  overflow: hidden;
}
body.product-page .hero::before,
body.product-page .product-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(201,169,97,0.10) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(43,138,138,0.08) 0%, transparent 50%);
  pointer-events: none;
}
body.product-page .hero > .container,
body.product-page .product-hero > .container {
  position: relative;
  z-index: 1;
  text-align: left;
}

body.product-page .hero h1,
body.product-page .product-hero h1 {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  margin: 18px 0 16px;
  max-width: 900px;
}
body.product-page .hero .hero-subtitle,
body.product-page .product-hero .hero-subtitle,
body.product-page .hero > .container > p:not(.breadcrumb),
body.product-page .product-hero > .container > p:not(.breadcrumb) {
  font-size: 17px;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  max-width: 780px;
  margin: 0 0 10px;
}

/* Breadcrumb — works for <div>, <nav>, and <ul> variants */
body.product-page .breadcrumb,
body.product-page .hero .breadcrumb,
body.product-page .product-hero .breadcrumb {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
body.product-page .breadcrumb li { display: inline; }
body.product-page .breadcrumb a {
  color: var(--gold-light);
  text-decoration: none;
  transition: color 0.2s ease;
}
body.product-page .breadcrumb a:hover { color: var(--white); }
body.product-page .breadcrumb li + li::before,
body.product-page .breadcrumb a + a::before,
body.product-page .breadcrumb span + span::before {
  content: "›";
  margin: 0 8px 0 2px;
  color: rgba(255,255,255,0.45);
}

/* ---------- PAGE SECTION BASELINE ---------- */
body.product-page section { padding: 70px 0; }
body.product-page section > .container { max-width: 1200px; }

body.product-page section h2 {
  font-family: 'Lora', Georgia, serif;
  font-size: clamp(24px, 3vw, 32px);
  color: var(--navy);
  margin: 0 0 18px;
  line-height: 1.25;
}
body.product-page section h2 + p,
body.product-page section .section-intro {
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 36px;
}

/* ---------- OVERVIEW / PRODUCT DETAIL TWO-COL LAYOUT ---------- */
body.product-page .product-overview,
body.product-page .overview-section,
body.product-page .product-detail {
  background: var(--white);
}
body.product-page .product-overview .container,
body.product-page .overview-section .container,
body.product-page .product-detail .container {
  max-width: 1200px;
}
body.product-page .overview-grid,
body.product-page .product-grid,
body.product-page .product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 50px;
  align-items: start;
}
body.product-page .overview-content h2,
body.product-page .product-content h2 { margin-top: 0; }
body.product-page .overview-content p,
body.product-page .product-content p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-mid);
  margin: 0 0 16px;
}
body.product-page .overview-content ul,
body.product-page .product-content ul {
  padding-left: 20px;
  color: var(--text-mid);
  line-height: 1.75;
  margin: 0 0 20px;
}

/* Two-col overview: right-column heading (e.g. "What is Quartz Powder?") */
body.product-page .overview-grid > div > h2 {
  font-size: 28px;
  border: none;
  padding: 0;
  margin: 0 0 1rem;
}

/* Purity badge inside the two-col overview needs extra top spacing
   to separate it from the product hero photo above. */
body.product-page .overview-grid .purity-badge {
  margin-top: 1.25rem;
}

/* "Premium Grade" / category label shown under the purity badge */
body.product-page .premium-label {
  font-size: 13px;
  color: var(--teal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 8px 0 0;
}

/* Spec table rendered below the two-col overview grid needs breathing room */
body.product-page .product-overview .overview-grid + .spec-table,
body.product-page .product-overview > .container > .spec-table {
  margin-top: 3rem;
}

/* Overview highlight call-out */
body.product-page .overview-highlight {
  background: var(--off-white);
  border-left: 4px solid var(--gold);
  padding: 18px 20px;
  margin: 18px 0;
  border-radius: 4px;
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.6;
}
body.product-page .overview-highlight strong { color: var(--navy); }

/* Use tags — chip style when NOT inside .applications (used as inline tags) */
body.product-page .use-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  list-style: none;
  padding: 0;
}
body.product-page .use-tag {
  background: var(--off-white);
  color: var(--navy);
  border: 1px solid var(--gray-light);
  padding: 7px 14px;
  border-radius: 999px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Purity / key-spec callout badge */
body.product-page .purity-badge,
body.product-page .key-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--gold-light);
  padding: 10px 18px;
  border-radius: 4px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 18px;
}

/* ---------- SPEC TABLE ---------- */
body.product-page .spec-table,
body.product-page .specs-table,
body.product-page .comparison-table,
body.product-page table.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15,26,61,0.08);
  font-size: 15px;
}
body.product-page .spec-table thead th,
body.product-page .specs-table thead th,
body.product-page .comparison-table thead th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
  padding: 14px 18px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
body.product-page .spec-table td,
body.product-page .specs-table td,
body.product-page .comparison-table td,
body.product-page .spec-table th:not(thead th),
body.product-page .specs-table th:not(thead th),
body.product-page .comparison-table th:not(thead th) {
  padding: 13px 18px;
  border-bottom: 1px solid var(--gray-light);
  color: var(--text-dark);
}
body.product-page .spec-table tr:nth-child(even) td,
body.product-page .specs-table tr:nth-child(even) td,
body.product-page .comparison-table tr:nth-child(even) td {
  background: var(--off-white);
}
body.product-page .spec-table tr:last-child td,
body.product-page .specs-table tr:last-child td,
body.product-page .comparison-table tr:last-child td { border-bottom: none; }
body.product-page .spec-table td:first-child,
body.product-page .specs-table td:first-child,
body.product-page .spec-table th:first-child,
body.product-page .specs-table th:first-child {
  font-weight: 600;
  color: var(--navy);
  width: 42%;
}
body.product-page .comparison-table td:first-child {
  font-weight: 600;
  color: var(--navy);
}
body.product-page .spec-table .spec-label {
  font-weight: 600;
  color: var(--navy);
  width: 42%;
}

/* Grade label pill (dolomite uses inside hero) */
body.product-page .grade-label {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  padding: 7px 16px;
  border-radius: 4px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 20px;
}

/* ---------- CARD GRIDS (applications / grades / benefits / why / grain) ---------- */
body.product-page .applications,
body.product-page .grades,
body.product-page .grades-section,
body.product-page .why-choose,
body.product-page .why-pime,
body.product-page .grain-sizes,
body.product-page .benefits {
  background: var(--off-white);
}
body.product-page .applications:nth-of-type(even),
body.product-page .grades-section,
body.product-page .grain-sizes { background: var(--white); }

body.product-page .app-grid,
body.product-page .applications-grid,
body.product-page .grades-grid,
body.product-page .benefits-grid,
body.product-page .why-grid,
body.product-page .grain-grid,
body.product-page .features-grid,
body.product-page .features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

/* Unified card styling */
body.product-page .app-card,
body.product-page .app-item,
body.product-page .grade-card,
body.product-page .grade-box,
body.product-page .benefit-item,
body.product-page .why-item,
body.product-page .grain-card,
body.product-page .feature,
body.product-page .feature-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-top: 3px solid var(--gold);
  border-radius: 8px;
  padding: 26px 24px;
  box-shadow: 0 2px 10px rgba(15,26,61,0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
body.product-page .app-card:hover,
body.product-page .app-item:hover,
body.product-page .grade-card:hover,
body.product-page .grade-box:hover,
body.product-page .benefit-item:hover,
body.product-page .why-item:hover,
body.product-page .grain-card:hover,
body.product-page .feature:hover,
body.product-page .feature-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15,26,61,0.10);
  border-top-color: var(--teal);
}
body.product-page .app-card h3,
body.product-page .app-card h4,
body.product-page .app-item h3,
body.product-page .app-item h4,
body.product-page .grade-card h3,
body.product-page .grade-card h4,
body.product-page .grade-box h3,
body.product-page .grade-box h4,
body.product-page .benefit-item h3,
body.product-page .benefit-item h4,
body.product-page .why-item h3,
body.product-page .why-item h4,
body.product-page .grain-card h3,
body.product-page .grain-card h4,
body.product-page .feature h3,
body.product-page .feature h4,
body.product-page .feature-item h3,
body.product-page .feature-item h4 {
  font-family: 'Lora', Georgia, serif;
  font-size: 20px;
  color: var(--navy);
  margin: 0 0 10px;
  line-height: 1.3;
  font-weight: 700;
}
body.product-page .app-card p,
body.product-page .app-item p,
body.product-page .grade-card p,
body.product-page .grade-box p,
body.product-page .benefit-item p,
body.product-page .why-item p,
body.product-page .grain-card p,
body.product-page .feature p,
body.product-page .feature-item p {
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* Potash-feldspar uses .use-tag as CARDS inside .applications > .container > .use-tags */
body.product-page .applications > .container > .use-tags {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
  list-style: none;
  padding: 0;
}
body.product-page .applications > .container > .use-tags > .use-tag {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-top: 3px solid var(--gold);
  border-radius: 8px;
  padding: 26px 24px;
  box-shadow: 0 2px 10px rgba(15,26,61,0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  text-transform: none;
  letter-spacing: normal;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
}
body.product-page .applications > .container > .use-tags > .use-tag:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15,26,61,0.10);
  border-top-color: var(--teal);
}
body.product-page .applications > .container > .use-tags > .use-tag h3 {
  font-family: 'Lora', Georgia, serif;
  font-size: 20px;
  color: var(--navy);
  margin: 0 0 10px;
}
body.product-page .applications > .container > .use-tags > .use-tag p {
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* Grade cards — emphasise the grade name */
body.product-page .grade-card h3,
body.product-page .grade-box h3 {
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

/* Dolomite why-list pattern (ul of bullets on dark navy bg) */
body.product-page .why-choose {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
}
body.product-page .why-choose h2 { color: var(--white); }
body.product-page .why-choose h2 + p,
body.product-page .why-choose .section-intro { color: rgba(255,255,255,0.85); }
body.product-page .why-list {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
body.product-page .why-list li {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-left: 3px solid var(--gold);
  border-radius: 6px;
  padding: 18px 22px 18px 52px;
  color: rgba(255,255,255,0.92);
  font-size: 15px;
  line-height: 1.6;
  position: relative;
}
body.product-page .why-list li::before {
  content: "✓";
  position: absolute;
  left: 22px;
  top: 16px;
  color: var(--gold);
  font-weight: 700;
  font-size: 18px;
}
body.product-page .why-list li strong { color: var(--white); }
body.product-page .why-choose .why-grid .why-item,
body.product-page .why-choose .feature,
body.product-page .why-choose .benefit-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-top: 3px solid var(--gold);
  color: rgba(255,255,255,0.92);
}
body.product-page .why-choose .why-grid .why-item h3,
body.product-page .why-choose .why-grid .why-item h4,
body.product-page .why-choose .feature h3,
body.product-page .why-choose .feature h4,
body.product-page .why-choose .benefit-item h3,
body.product-page .why-choose .benefit-item h4 { color: var(--white); }
body.product-page .why-choose .why-grid .why-item p,
body.product-page .why-choose .feature p,
body.product-page .why-choose .benefit-item p { color: rgba(255,255,255,0.82); }

/* ---------- FAQ (static h3 + p, consistent across all pages) ---------- */
body.product-page .faq,
body.product-page .faq-section { background: var(--off-white); }
body.product-page .faq-list,
body.product-page .faqs {
  display: grid;
  gap: 18px;
  margin-top: 30px;
  max-width: 900px;
}
body.product-page .faq-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  padding: 22px 24px;
  box-shadow: 0 2px 8px rgba(15,26,61,0.04);
}
body.product-page .faq-item h3,
body.product-page .faq-item .faq-question,
body.product-page .faq-question {
  font-family: 'Lora', Georgia, serif;
  font-size: 18px;
  color: var(--navy);
  margin: 0 0 10px;
  padding: 0;
  background: transparent;
  border: none;
  width: auto;
  cursor: default;
  display: block;
  line-height: 1.35;
}
body.product-page .faq-question::after,
body.product-page .faq-question::before { content: none !important; }
body.product-page .faq-item p,
body.product-page .faq-item .faq-answer,
body.product-page .faq-answer {
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  max-height: none !important;
  overflow: visible !important;
  display: block !important;
}

/* ---------- CTA SECTION (dark navy with gold button) ---------- */
body.product-page .cta-section,
body.product-page .cta {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 0;
}
body.product-page .cta-section h2,
body.product-page .cta h2,
body.product-page .cta-box h2 {
  color: var(--white);
  margin-bottom: 14px;
}
body.product-page .cta-section p,
body.product-page .cta p,
body.product-page .cta-box p {
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin: 0 auto 30px;
  font-size: 17px;
  line-height: 1.6;
}
body.product-page .cta-box {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  border-radius: 12px;
  padding: 50px 40px;
  text-align: center;
  color: var(--white);
}
body.product-page .cta-btn,
body.product-page .cta-button,
body.product-page .cta a.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-dark);
  padding: 14px 34px;
  border-radius: 4px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  border: none;
  cursor: pointer;
}
body.product-page .cta-btn:hover,
body.product-page .cta-button:hover,
body.product-page .cta a.btn:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201,169,97,0.35);
}
body.product-page .cta-section .cta-btn + .cta-btn,
body.product-page .cta .cta-btn + .cta-btn {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
  margin-left: 14px;
}
body.product-page .cta-section .cta-btn + .cta-btn:hover,
body.product-page .cta .cta-btn + .cta-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  body.product-page .overview-grid,
  body.product-page .product-grid,
  body.product-page .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  body.product-page section { padding: 56px 0; }
  body.product-page .hero,
  body.product-page .product-hero { padding: 110px 0 50px; }
}

@media (max-width: 640px) {
  body.product-page .hero,
  body.product-page .product-hero { padding: 100px 0 40px; }
  body.product-page .hero h1,
  body.product-page .product-hero h1 { font-size: 28px; }
  body.product-page .app-grid,
  body.product-page .applications-grid,
  body.product-page .grades-grid,
  body.product-page .benefits-grid,
  body.product-page .why-grid,
  body.product-page .grain-grid,
  body.product-page .features-grid,
  body.product-page .features,
  body.product-page .applications > .container > .use-tags,
  body.product-page .why-list { grid-template-columns: 1fr; }
  body.product-page .spec-table td,
  body.product-page .specs-table td { padding: 11px 14px; }
  body.product-page .cta-section .cta-btn + .cta-btn { margin-left: 0; margin-top: 12px; display: inline-block; }
  body.product-page .cta-box { padding: 40px 22px; }
}

/* ---------- SDS / SAFETY NOTICE (silica-bearing products) ---------- */
body.product-page .sds-notice {
  background: var(--off-white);
  padding: 50px 0;
}
body.product-page .sds-notice .container { max-width: 960px; }
body.product-page .sds-card {
  background: var(--white);
  border-left: 4px solid var(--teal);
  padding: 26px 30px;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(15,26,61,0.06);
}
body.product-page .sds-card h3 {
  font-family: 'Lora', Georgia, serif;
  font-size: 20px;
  color: var(--navy);
  margin: 0 0 12px;
}
body.product-page .sds-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-mid);
  margin: 0 0 10px;
}
body.product-page .sds-card p:last-child { margin-bottom: 0; }
body.product-page .sds-card strong { color: var(--navy); }
body.product-page .sds-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
  font-family: 'Inter', system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 13px;
}
body.product-page .sds-link:hover { color: var(--navy); }