/* ============================================
   BIONIC PHARMA — Premium Pharmaceutical Design
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-darkest: #f0f2f5;
  --bg-primary: #f7f8fa;
  --bg-secondary: #eef0f4;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f7fb;
  --accent-blue: #2563eb;
  --accent-glow: #1d4ed8;
  --accent-cyan: #0891b2;
  --silver: #64748b;
  --silver-light: #475569;
  --gold: #b45309;
  --gold-light: #d97706;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-subtle: rgba(0,0,0,0.08);
  --border-accent: rgba(37,99,235,0.25);
  --glass-bg: rgba(255,255,255,0.75);
  --glass-border: rgba(0,0,0,0.06);
  --gradient-hero: linear-gradient(165deg, #f7f8fa 0%, #eef0f4 30%, #e8ebf0 60%, #f0f2f5 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(248,250,252,1));
  --gradient-accent: linear-gradient(135deg, #2563eb, #0891b2);
  --shadow-lg: 0 25px 60px rgba(0,0,0,0.08);
  --shadow-glow: 0 4px 24px rgba(37,99,235,0.1);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --font-display: 'DM Sans', 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1320px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-darkest);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: rgba(37,99,235,0.2);
  color: #1e293b;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

strong, b {
  font-family: var(--font-display);
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.25rem; }

p { color: var(--text-secondary); max-width: 65ch; }

.overline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.overline::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-blue);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--silver-light);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(37,99,235,0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-blue);
  padding: 8px 0;
  letter-spacing: 0.08em;
}

.btn-ghost::after {
  content: '→';
  transition: transform 0.3s ease;
}

.btn-ghost:hover::after {
  transform: translateX(5px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 4vw, 60px);
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 68px;
  width: auto;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.nav-logo:hover .nav-logo-img {
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.nav-cta {
  padding: 10px 24px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-sm);
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: rgba(37,99,235,0.12);
  border-color: var(--accent-blue);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 40px;
  flex-direction: column;
  gap: 24px;
  z-index: 999;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.3s ease;
}

.nav-mobile a:hover {
  color: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(37,99,235,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(8,145,178,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 120px 0 80px;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.15);
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 6px;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-showcase {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.hero-product-main {
  width: 100%;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.1));
  animation: float-product 6s ease-in-out infinite;
}

@keyframes float-product {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-glow-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(37,99,235,0.12);
  animation: rotate-ring 20s linear infinite;
}

.hero-glow-ring::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 12px var(--accent-blue);
}

@keyframes rotate-ring {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* --- Section Styles --- */
section {
  padding: clamp(60px, 10vw, 120px) 0;
  position: relative;
}

.section-header {
  max-width: 640px;
  margin-bottom: 60px;
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header.centered .overline {
  justify-content: center;
}

.section-header.centered .overline::before {
  display: none;
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-divider {
  width: 48px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  margin: 20px 0;
}

.section-header.centered .section-divider {
  margin: 20px auto;
}

/* --- Featured Products Grid --- */
.products-featured {
  background: var(--bg-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.5s var(--transition-smooth);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.product-card-img {
  position: relative;
  aspect-ratio: 1 / 1.1;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #f0f2f5, #e8ebf0);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-smooth);
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 40px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.product-card-body {
  padding: 24px;
}

.product-card-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.product-card-dose {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 10px;
}

.product-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-purity {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.product-purity .badge {
  padding: 2px 8px;
  background: rgba(8,145,178,0.08);
  border-radius: 4px;
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.7rem;
}

.product-card-link {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  transition: color 0.3s ease;
}

.product-card-link:hover {
  color: var(--accent-glow);
}

/* --- Category Cards --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  position: relative;
  padding: 48px 36px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.5s var(--transition-smooth);
}

.category-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.category-card h3 {
  color: var(--text-primary);
  margin-bottom: 12px;
}

.category-card p {
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.category-count {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* --- About Preview --- */
.about-preview {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.about-feature {
  padding: 24px;
  background: rgba(0,0,0,0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.about-feature-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.about-feature h4 {
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.about-feature p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.about-visual {
  position: relative;
}

.about-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-image-grid img {
  border-radius: var(--radius-md);
  width: 100%;
  object-fit: cover;
}

.about-image-grid img:first-child {
  aspect-ratio: 3/4;
}

.about-image-grid img:nth-child(2) {
  aspect-ratio: 3/4;
  margin-top: 40px;
}

/* --- Quality Bar --- */
.quality-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 48px 0;
}

.quality-items {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.quality-item {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.quality-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(37,99,235,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quality-item-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--silver);
  letter-spacing: 0.04em;
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.cta-inner {
  position: relative;
  padding: 72px 60px;
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(8,145,178,0.04));
  border: 1px solid rgba(37,99,235,0.12);
  border-radius: var(--radius-lg);
  text-align: center;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37,99,235,0.05) 0%, transparent 70%);
}

.cta-inner h2 {
  color: var(--text-primary);
  margin-bottom: 16px;
  position: relative;
}

.cta-inner p {
  margin: 0 auto 36px;
  text-align: center;
  position: relative;
}

.cta-inner .btn {
  position: relative;
}

/* --- Footer --- */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(37,99,235,0.06);
}

/* --- Page Headers --- */
.page-header {
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.04) 0%, transparent 70%);
}

.page-header h1 {
  color: var(--text-primary);
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.1rem;
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb a { color: var(--text-muted); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--accent-blue); }
.breadcrumb .sep { opacity: 0.4; }

/* --- Product Detail --- */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.product-detail-image {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(ellipse at center, #f0f2f5, #e8ebf0);
  padding: 40px;
}

.product-detail-image img {
  width: 100%;
  border-radius: var(--radius-md);
}

.product-detail-info h1 {
  font-size: 2.4rem;
}

.product-meta {
  display: flex;
  gap: 16px;
  margin: 16px 0 32px;
}

.product-meta-tag {
  padding: 6px 14px;
  border-radius: 40px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-meta-tag.purity {
  background: rgba(8,145,178,0.08);
  border: 1px solid rgba(8,145,178,0.15);
  color: var(--accent-cyan);
}

.product-meta-tag.category {
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.15);
  color: var(--accent-blue);
}

.product-section {
  margin-bottom: 40px;
}

.product-section h3 {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.benefits-list {
  display: grid;
  gap: 12px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.benefit-item::before {
  content: '◆';
  color: var(--accent-blue);
  font-size: 0.5rem;
  margin-top: 7px;
  flex-shrink: 0;
}

.usage-table {
  width: 100%;
  border-collapse: collapse;
}

.usage-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

.usage-table td {
  padding: 14px 0;
  font-size: 0.9rem;
}

.usage-table td:first-child {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: 160px;
  vertical-align: top;
}

.usage-table td:last-child {
  color: var(--text-secondary);
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-info-item h4 {
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Verify Section --- */
.verify-box {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px;
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
}

.verify-box .form-input {
  text-align: center;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  font-family: var(--font-mono);
  padding: 18px;
  margin: 24px 0;
}

.verify-result {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  display: none;
}

.verify-result.success {
  display: block;
  background: rgba(8,145,178,0.06);
  border: 1px solid rgba(8,145,178,0.15);
  color: var(--accent-cyan);
}

.verify-result.error {
  display: block;
  background: rgba(220,80,80,0.1);
  border: 1px solid rgba(220,80,80,0.2);
  color: #dc5050;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: #c1c8d4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #a0aab8;
}

/* --- SARMs / HRT Product List --- */
.product-list-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
}

.product-list-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(37,99,235,0.12);
  line-height: 1;
}

.product-list-content h3 {
  color: var(--text-primary);
  margin-bottom: 4px;
}

.product-list-subtitle {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 12px;
}

.product-list-content p {
  font-size: 0.92rem;
}

/* --- Filter Tabs --- */
.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 10px 22px;
  border-radius: 40px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.filter-tab:hover,
.filter-tab.active {
  background: rgba(37,99,235,0.08);
  border-color: rgba(37,99,235,0.2);
  color: var(--accent-blue);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-product-showcase { max-width: 350px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-detail-image { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .categories-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .quality-items { flex-wrap: wrap; justify-content: center; }
  .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}