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

/* ─── Variables ─────────────────────────────────────────────────── */
:root {
  --bg: #FAFAF8;
  --white: #FFFFFF;
  --gold: #C9A96E;
  --gold-dark: #A8834A;
  --text: #1A1A1A;
  --text-muted: #6B6B6B;
  --border: #E8E4DC;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.08);
  --card-shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
  --radius: 4px;
  --radius-lg: 8px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

/* ─── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ─── Typography ─────────────────────────────────────────────────── */
.serif { font-family: var(--font-display); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

/* ─── Utilities ──────────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 16px; }
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.gold-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 16px auto 0;
}

/* ─── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,169,110,0.4);
}
.btn-outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-dark {
  background: var(--text);
  color: var(--white);
}
.btn-dark:hover {
  background: #333;
  transform: translateY(-1px);
}
.btn-sm {
  padding: 10px 22px;
  font-size: 0.8rem;
}

/* ─── Header ─────────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: var(--white);
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  transition: color var(--transition);
}
.header.scrolled .logo { color: var(--text); }
.nav { display: flex; align-items: center; gap: 36px; }
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link:hover { color: var(--white); }
.header.scrolled .nav-link { color: var(--text-muted); }
.header.scrolled .nav-link:hover { color: var(--text); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  transform-origin: center;
}
.header.scrolled .burger span { background: var(--text); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ───────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2520 50%, #1a1610 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/bg.jpg') center/cover no-repeat;
  opacity: 0.35;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 8px;
}
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero-sub {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 440px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ─── Products Section ───────────────────────────────────────────── */
.products { background: var(--bg); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

/* ─── Product Card ───────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}
.card-img {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.card:hover .card-img img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}
.card-body { padding: 20px 22px 24px; }
.card-category {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.card-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text);
}
.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.card-footer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.card-price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
}
.card-actions { display: flex; gap: 8px; }
.card-actions .btn { flex: 1; justify-content: center; }

/* ─── USP Section ────────────────────────────────────────────────── */
.usp { background: var(--text); color: var(--white); }
.usp .section-title { color: var(--white); }
.usp .section-sub { color: rgba(255,255,255,0.6); }
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  text-align: center;
}
.usp-item { }
.usp-icon {
  width: 64px; height: 64px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--gold);
  transition: background var(--transition);
}
.usp-item:hover .usp-icon { background: var(--gold); color: var(--white); }
.usp-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--white);
}
.usp-text { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

/* ─── Testimonials ───────────────────────────────────────────────── */
.testimonials { background: var(--white); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.review-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  position: relative;
}
.review-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
}
.review-stars { color: var(--gold); font-size: 0.9rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.review-name { font-weight: 600; font-size: 0.9rem; }
.review-date { font-size: 0.78rem; color: var(--text-muted); }

/* ─── CTA Section ────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #C9A96E 0%, #A8834A 100%);
  text-align: center;
  padding: 80px 0;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto; }
.btn-white {
  background: var(--white);
  color: var(--gold-dark);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* ─── Footer ─────────────────────────────────────────────────────── */
.footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}
.footer-tagline { font-size: 0.875rem; line-height: 1.6; max-width: 260px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.social-link {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-link:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.footer-heading {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.875rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ─── Modal ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}
.modal-close:hover { background: var(--border); color: var(--text); }
.modal-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 6px;
}
.modal-sub { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 28px; }
.modal-product-name {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.modal-product-name strong { color: var(--text); }

/* ─── Forms ──────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.15);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; margin-top: 4px; justify-content: center; }
.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
}
.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-muted);
  user-select: none;
}
.form-check input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--gold);
  cursor: pointer;
  flex-shrink: 0;
}
.messenger-block { margin-bottom: 18px; }
.messenger-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
}
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B6B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; cursor: pointer; }

/* ─── Delivery type toggle ───────────────────────────────────── */
.delivery-toggle {
  display: flex;
  gap: 8px;
}
.delivery-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  user-select: none;
}
.delivery-option input[type="radio"] { display: none; }
.delivery-option:has(input:checked) {
  border-color: var(--gold);
  color: var(--text);
  background: rgba(201, 169, 110, 0.1);
  font-weight: 500;
}
.delivery-option:hover { border-color: var(--gold-dark); color: var(--text); }
.delivery-toggle--sm .delivery-option { padding: 8px 12px; font-size: 0.82rem; }

/* ─── City autocomplete ──────────────────────────────────────── */
.autocomplete-wrap { position: relative; }
.autocomplete-list {
  display: none;
  position: absolute;
  top: calc(100% - 1px);
  left: 0; right: 0;
  z-index: 200;
  background: var(--white);
  border: 1.5px solid var(--gold);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 220px;
  overflow-y: auto;
  list-style: none;
  margin: 0; padding: 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.autocomplete-item {
  padding: 10px 16px;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--text);
  transition: background var(--transition);
}
.autocomplete-item:hover { background: rgba(201, 169, 110, 0.12); color: var(--gold-dark); }
.autocomplete-loading,
.autocomplete-empty {
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  list-style: none;
}

/* ─── Full Order Form Section ────────────────────────────────────── */
.order-section { background: var(--white); }
.order-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.order-info h2 { margin-bottom: 16px; }
.order-info p { color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
.order-perks { display: flex; flex-direction: column; gap: 12px; }
.perk { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.perk-icon { color: var(--gold); font-size: 1.1rem; }

/* ─── Product Page Specific ──────────────────────────────────────── */
.product-page { padding-top: 80px; }
.breadcrumb {
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: var(--gold-dark); }
.product-hero {
  padding: 40px 0 80px;
}
.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.product-gallery { position: sticky; top: 100px; }
.gallery-main {
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 12px;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.gallery-btn {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--gold);
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), opacity var(--transition);
}
.gallery-btn:hover { background: var(--gold-dark); }
.gallery-btn:disabled { opacity: 0.25; cursor: default; pointer-events: none; }
.gallery-thumbs-viewport {
  flex: 1;
  overflow: hidden;
}
.gallery-thumbs {
  display: flex;
  gap: 8px;
  transition: transform 0.3s ease;
}
.gallery-thumb {
  flex: 0 0 calc(25% - 6px);
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}
.gallery-thumb.active { border-color: var(--gold); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-info { }
.product-category {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.product-name { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 16px; }
.product-rating { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.stars { color: var(--gold); letter-spacing: 2px; }
.rating-count { font-size: 0.85rem; color: var(--text-muted); }
.product-price-wrap { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
.product-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}
.product-price-old {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-decoration: line-through;
}
.product-desc { color: var(--text-muted); line-height: 1.75; margin-bottom: 28px; font-size: 0.95rem; }
.product-specs {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 28px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-key { color: var(--text-muted); flex-shrink: 0; }
.spec-val { font-weight: 500; text-align: right; flex: 1; padding-left: 12px; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.product-actions .btn { flex: 1; justify-content: center; min-width: 160px; }
.product-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.details-section { padding: 60px 0; background: var(--bg); }
.details-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.tab-btn {
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
}
.tab-btn.active { color: var(--gold); border-bottom-color: var(--gold); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-content p { color: var(--text-muted); line-height: 1.8; max-width: 680px; }

.product-order-section { padding: 60px 0; background: var(--white); }
.order-form-box {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
}
.order-form-box h2 { text-align: center; margin-bottom: 8px; }
.order-form-box .section-sub { margin-bottom: 32px; }

.related-section { padding: 60px 0; background: var(--bg); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ─── Fade-in animations ─────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .order-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .product-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-gallery { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--text); flex-direction: column; justify-content: center; align-items: center; gap: 28px; z-index: 99; }
  .nav.mobile-open { display: flex; }
  .nav-link { font-size: 1.1rem; color: rgba(255,255,255,0.7); }
  .nav-link:hover { color: var(--white); }
  .burger { display: flex; z-index: 101; }
  .header .btn { display: none; }
  .header.scrolled .burger span { background: var(--text); }
  .hero-scroll { display: none; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
  .usp-grid { grid-template-columns: 1fr; gap: 28px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .modal { padding: 28px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .product-actions { flex-direction: column; }
  .product-actions .btn { flex: none; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  h1 { font-size: 2rem; }
}