/* ═══════════════════════════════════════════
   Doctor Peptide — Premium Research Peptides
   Modern Pharma Brand Stylesheet
   ═══════════════════════════════════════════ */

/* ─── CSS Variables ─── */
:root {
  --primary: #b9a583;
  --primary-dark: #a08e6c;
  --primary-light: #f5f0e8;
  --primary-glow: rgba(185, 165, 131, 0.15);
  --accent: #C9A84C;
  --accent-light: #FFF8E7;
  --bg: #FFFFFF;
  --bg-alt: #F7FAF9;
  --bg-dark: #1a1a1a;
  --bg-card: #FFFFFF;
  --text: #1a1a1a;
  --text-secondary: #5A6577;
  --text-muted: #8E99A8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --container: 1200px;
  --header-height: 80px;
}

/* ─── 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;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-subtitle {
  margin: 0 auto;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: #1a1a1a;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.btn-primary:hover {
  background: #000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg);
  color: #1a1a1a;
  border: 2px solid #1a1a1a;
}
.btn-secondary:hover {
  background: #1a1a1a;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 18px 40px; font-size: 16px; }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: 50%; }

/* ═══════════════════════════════════════════
   HEADER / NAVIGATION
   ═══════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 36px;
  width: auto;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  transition: all var(--transition);
}
.cart-btn:hover {
  background: var(--primary);
  color: #fff;
}
.cart-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition);
}
.cart-badge.visible { opacity: 1; transform: scale(1); }

/* Mobile menu */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
  padding: 140px 0 80px;
  background: var(--bg);
  text-align: center;
}

.hero-inner {
  max-width: 860px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-text {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}
.hero-feature-icon {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 11px;
  flex-shrink: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-card-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.float-card-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

/* ═══════════════════════════════════════════
   TRUST BAR (Infinite Marquee)
   ═══════════════════════════════════════════ */
.trust-bar {
  padding: 20px 0;
  background: var(--primary-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.trust-marquee {
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  overflow: hidden;
}

.trust-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: scroll-trust 35s linear infinite;
}
.trust-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-trust {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
}
.trust-icon {
  font-size: 24px;
  color: var(--primary);
  line-height: 1;
}

.trust-sep {
  color: var(--primary);
  opacity: 0.3;
  font-size: 10px;
  padding: 0 4px;
}

/* ═══════════════════════════════════════════
   PRODUCT CARDS
   ═══════════════════════════════════════════ */
.products-section {
  padding: 100px 0;
}

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

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.product-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(185, 165, 131, 0.12);
  transform: translateY(-4px);
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 100px;
  z-index: 2;
}

.product-card-image {
  position: relative;
  height: 240px;
  background: linear-gradient(135deg, #f8faf9 0%, #eef3f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}
.product-card-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition);
}
.product-card:hover .product-card-image img {
  transform: scale(1.05);
}

.product-card-body {
  padding: 20px;
}

.product-card-category {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  margin-bottom: 8px;
}

.product-card-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.product-card-name a:hover { color: var(--primary); }

.product-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.product-card-price {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
}

.btn-add-cart {
  padding: 10px 20px;
  background: #1a1a1a;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-add-cart:hover {
  background: #000;
  transform: translateY(-1px);
}
.btn-add-cart.added {
  background: var(--accent);
}

/* ═══════════════════════════════════════════
   FEATURES / BENEFITS
   ═══════════════════════════════════════════ */
.features {
  padding: 100px 0;
  background: var(--bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
  color: var(--primary);
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   ABOUT / MISSION PREVIEW
   ═══════════════════════════════════════════ */
.about-preview {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(185, 165, 131, 0.12);
}

.about-content .section-label { margin-bottom: 12px; }
.about-content h2 { font-size: clamp(28px, 3.5vw, 38px); margin-bottom: 20px; }
.about-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.about-value {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
}
.about-value-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════ */
.testimonials {
  padding: 100px 0;
  background: var(--bg-alt);
  overflow: hidden;
}

.testimonials-lanes {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonials-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
}

.testimonials-track {
  display: flex;
  gap: 16px;
  width: max-content;
}
.testimonials-track:hover {
  animation-play-state: paused;
}

.testimonials-track.lane-left {
  animation: scroll-left 50s linear infinite;
}
.testimonials-track.lane-right {
  animation: scroll-right 55s linear infinite;
}

@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes scroll-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border: 1px solid var(--border);
  min-width: 280px;
  max-width: 280px;
  flex-shrink: 0;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
}

.testimonial-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-style: italic;
}

.testimonial-author {
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.testimonial-name {
  font-weight: 700;
  font-size: 13px;
}
.testimonial-role {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ═══════════════════════════════════════════
   NEWSLETTER / CTA BANNER
   ═══════════════════════════════════════════ */
.cta-banner {
  padding: 100px 0;
}
.cta-inner {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #252f3f 100%);
  border-radius: var(--radius-xl);
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(185, 165, 131, 0.2), transparent 60%);
}
.cta-inner > * { position: relative; z-index: 1; }
.cta-inner h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  color: #fff;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255,255,255,0.7);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 15px;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.5); }
.cta-form input:focus { border-color: var(--primary); background: rgba(255,255,255,0.15); }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
  color: rgba(255,255,255,0.5);
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-links a:hover { color: #d4c5a9; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ═══════════════════════════════════════════
   PRODUCTS PAGE
   ═══════════════════════════════════════════ */
.page-hero {
  padding: 130px 0 48px;
  background: var(--bg);
  text-align: center;
}
.page-hero h1 {
  color: var(--text);
  font-size: clamp(28px, 3.5vw, 42px);
  margin-bottom: 10px;
  font-weight: 800;
}
.page-hero p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 480px;
  margin: 0 auto;
}

/* Category filters */
.filters-bar {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
  position: sticky;
  top: var(--header-height);
  background: var(--bg);
  z-index: 50;
}
.filters-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 4px 0;
}
.filter-tabs::-webkit-scrollbar { display: none; }
.filter-tab {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 100px;
  white-space: nowrap;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.filter-tab:hover { color: var(--primary); background: var(--primary-light); }
.filter-tab.active {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}
.filter-count {
  font-size: 14px;
  color: var(--text-muted);
}

.products-page-grid {
  padding: 0 0 100px;
}

/* Search bar */
.search-bar {
  position: relative;
  max-width: 320px;
}
.search-bar input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  transition: all var(--transition);
  background: var(--bg);
}
.search-bar input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.search-bar svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   PRODUCT DETAIL PAGE
   ═══════════════════════════════════════════ */
.product-detail {
  padding: 120px 0 80px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-detail-image {
  background: linear-gradient(135deg, #f8faf9 0%, #eef3f1 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 450px;
  border: 1px solid var(--border);
  position: sticky;
  top: 100px;
}
.product-detail-image img {
  max-height: 350px;
  object-fit: contain;
}

.product-detail-info { padding: 20px 0; }

.product-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.product-breadcrumb a { color: var(--text-secondary); }
.product-breadcrumb a:hover { color: var(--primary); }
.product-breadcrumb span { color: var(--text-muted); }

.product-detail-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.product-detail-name {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 800;
  margin-bottom: 16px;
}

.product-detail-price {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
}

.product-detail-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}
.product-spec {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
}
.product-spec-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  flex-shrink: 0;
}
.product-spec-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.product-spec-value {
  font-weight: 600;
  font-size: 14px;
}

.product-variant-selector {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.product-variant-selector > span {
  padding-top: 10px;
}
.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.variant-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  color: var(--text);
}
.variant-btn:hover {
  border-color: #1a1a1a;
}
.variant-btn.active {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}

.product-quantity {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.quantity-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.quantity-control button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text);
  transition: background var(--transition);
}
.quantity-control button:hover { background: var(--bg-alt); }
.quantity-control input {
  width: 56px;
  height: 44px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font-size: 15px;
  font-weight: 600;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}
.product-actions .btn { flex: 1; }

.product-guarantee {
  display: flex;
  gap: 24px;
  padding: 20px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(185, 165, 131, 0.12);
}
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
}

/* Related products */
.related-products { padding: 80px 0; }

/* ═══════════════════════════════════════════
   CART PAGE
   ═══════════════════════════════════════════ */
.cart-section { padding: 120px 0 80px; }

.cart-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}

.cart-items { display: flex; flex-direction: column; gap: 16px; }

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.cart-item-image {
  width: 100px;
  height: 100px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 8px;
}
.cart-item-image img { max-height: 100%; object-fit: contain; }
.cart-item-name {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}
.cart-item-category {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.cart-item-price {
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
}
.cart-item-remove {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 8px;
  display: inline-block;
}
.cart-item-remove:hover { color: #e53e3e; }
.cart-item-right { text-align: right; }

.cart-empty {
  text-align: center;
  padding: 80px 40px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
}
.cart-empty-icon { font-size: 48px; margin-bottom: 16px; }
.cart-empty h3 { margin-bottom: 8px; }
.cart-empty p { color: var(--text-secondary); margin-bottom: 24px; }

/* Cart summary */
.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 100px;
}
.cart-summary h3 {
  font-size: 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 15px;
}
.cart-summary-row.total {
  font-size: 18px;
  font-weight: 700;
  border-top: 2px solid var(--border);
  margin-top: 12px;
  padding-top: 16px;
}
.cart-summary .btn { width: 100%; margin-top: 24px; }
.cart-summary-note {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   CHECKOUT PAGE
   ═══════════════════════════════════════════ */
.checkout-section { padding: 120px 0 80px; }

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
}

.checkout-form h3 {
  font-size: 20px;
  margin-bottom: 24px;
}
.checkout-form h3:not(:first-child) {
  margin-top: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row.full { grid-template-columns: 1fr; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: all var(--transition);
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.payment-method {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.payment-method:hover { border-color: var(--primary); }
.payment-method.active {
  border-color: var(--primary);
  background: var(--primary-light);
}
.payment-method input[type="radio"] { accent-color: var(--primary); }
.payment-method-label {
  font-weight: 600;
  font-size: 15px;
}
.payment-method-desc {
  font-size: 13px;
  color: var(--text-muted);
}

#card-element {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  margin-bottom: 16px;
}

/* ═══════════════════════════════════════════
   FAQ PAGE
   ═══════════════════════════════════════════ */
.faq-section { padding: 40px 0 100px; }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--primary); }
.faq-item.active { border-color: var(--primary); box-shadow: 0 2px 12px var(--primary-glow); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: var(--bg-card);
  transition: all var(--transition);
}
.faq-question:hover { background: var(--bg-alt); }
.faq-item.active .faq-question { color: var(--primary); }

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   ABOUT PAGE
   ═══════════════════════════════════════════ */
.about-section { padding: 40px 0 100px; }

.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.value-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}
.value-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.value-card-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 28px;
  color: var(--primary);
}
.value-card h3 { font-size: 20px; margin-bottom: 12px; }
.value-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }

/* ═══════════════════════════════════════════
   CONTACT PAGE
   ═══════════════════════════════════════════ */
.contact-section { padding: 40px 0 100px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
}
.contact-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  flex-shrink: 0;
}
.contact-card h4 { font-size: 16px; margin-bottom: 4px; }
.contact-card p { font-size: 14px; color: var(--text-secondary); }

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-form-card h3 { font-size: 22px; margin-bottom: 8px; }
.contact-form-card > p { color: var(--text-secondary); margin-bottom: 24px; font-size: 15px; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  resize: vertical;
  min-height: 120px;
  transition: all var(--transition);
}
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* ═══════════════════════════════════════════
   CART DRAWER (Slide-in)
   ═══════════════════════════════════════════ */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}
.cart-drawer-overlay.open { opacity: 1; visibility: visible; }

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg);
  z-index: 9999;
  transform: translateX(100%);
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
}
.cart-drawer.open { transform: translateX(0); }

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cart-drawer-header h3 { font-size: 18px; }
.cart-drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 20px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.cart-drawer-close:hover { background: var(--bg-alt); color: var(--text); }

.cart-drawer-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}

.cart-drawer-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.cart-drawer-item-img {
  width: 72px;
  height: 72px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cart-drawer-item-img img { max-height: 100%; object-fit: contain; }
.cart-drawer-item-info { flex: 1; }
.cart-drawer-item-name { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.cart-drawer-item-price { font-weight: 700; color: var(--primary); font-size: 15px; }
.cart-drawer-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.cart-drawer-item-qty button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition);
}
.cart-drawer-item-qty button:hover { background: var(--bg-alt); }
.cart-drawer-item-qty span { font-weight: 600; font-size: 14px; min-width: 20px; text-align: center; }
.cart-drawer-item-remove {
  font-size: 18px;
  color: var(--text-muted);
  transition: color var(--transition);
  align-self: flex-start;
}
.cart-drawer-item-remove:hover { color: #e53e3e; }

.cart-drawer-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 15px;
}
.cart-drawer-empty span { font-size: 40px; margin-bottom: 12px; }

.cart-drawer-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.cart-drawer-total {
  display: flex;
  justify-content: space-between;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
}
.cart-drawer-footer .btn { width: 100%; }
.cart-drawer-footer .btn + .btn { margin-top: 8px; }

/* ═══════════════════════════════════════════
   TOAST NOTIFICATION
   ═══════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-icon { font-size: 18px; }

/* ═══════════════════════════════════════════
   SCROLL ANIMATIONS
   ═══════════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid,
  .about-hero-grid,
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }

  .product-detail-image { position: static; }

  .features-grid,
  .values-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cart-grid,
  .checkout-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }

  .nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }
  .nav.mobile-open a { padding: 12px 16px; width: 100%; }

  .hero { padding: 110px 0 50px; }
  .hero h1 { font-size: 28px; }
  .hero-features { gap: 16px; flex-direction: column; align-items: center; }
  .hero-buttons { flex-direction: column; align-items: center; }

  .features-grid,
  .values-grid { grid-template-columns: 1fr; }

  .testimonial-card { min-width: 250px; max-width: 250px; }

  .products-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .product-specs { grid-template-columns: 1fr; }
  .product-actions { flex-direction: column; }
  .product-guarantee { flex-direction: column; gap: 12px; }

  .about-values { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .cta-inner { padding: 40px 24px; }
  .cta-form { flex-direction: column; }

  .filters-inner { flex-direction: column; align-items: stretch; }
  .search-bar { max-width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 80px 1fr; }
  .cart-item-right { grid-column: 1 / -1; text-align: left; display: flex; align-items: center; justify-content: space-between; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Disclaimer ─── */
.disclaimer {
  padding: 24px 0;
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.disclaimer p {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  line-height: 1.6;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}