:root {
  --gold: #c8a951;
  --gold-light: #e5d5a0;
  --gold-dark: #a68b3c;
  --green-deep: #006039;
  --green-dark: #004225;
  --black: #1a1a1a;
  --white: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-600: #6b6b6b;
  --gray-800: #333;
  --red: #d32f2f;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Libre Franklin', 'Helvetica Neue', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

/* ── Demo Banner ── */
.demo-banner {
  background: var(--red);
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.demo-banner span {
  background: rgba(255,255,255,0.2);
  padding: 2px 10px;
  border-radius: 3px;
  margin-right: 8px;
  font-size: 0.75rem;
  vertical-align: middle;
}

/* ── Navigation ── */
.nav {
  background: var(--green-deep);
  padding: 0 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: sticky;
  top: 38px;
  z-index: 999;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--gold-light);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover { color: #fff; }

.nav-cta {
  background: var(--gold) !important;
  color: var(--green-dark) !important;
  padding: 8px 20px !important;
  letter-spacing: 1.5px !important;
  font-weight: 700 !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: #dfc06a !important;
  color: var(--green-dark) !important;
}

/* ── Breadcrumb ── */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 60px;
  font-size: 0.8rem;
}

.breadcrumb ol {
  display: flex;
  gap: 8px;
  list-style: none;
}

.breadcrumb li + li::before {
  content: '›';
  margin-right: 8px;
  color: var(--gray-600);
}

.breadcrumb a { color: var(--green-deep); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--gray-600); }

/* ── Hero (Text-based for homepage) ── */
.hero-text {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-deep) 50%, #004d2e 100%);
  padding: 80px 60px;
  text-align: center;
}

.hero-text-inner {
  max-width: 820px;
  margin: 0 auto;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: #fff;
  letter-spacing: 3px;
  margin-bottom: 24px;
  line-height: 1.3;
}

.hero-lead {
  color: var(--gold-light);
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-lead strong { color: #fff; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 16px 48px;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.35s;
  font-family: var(--font-body);
}

.btn-gold {
  background: var(--gold);
  color: var(--green-dark);
}

.btn-gold:hover {
  background: #dfc06a;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,169,81,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--green-dark);
}

/* ── BUY BUTTON (prominent) ── */
.btn-buy {
  display: block;
  width: 100%;
  padding: 22px 32px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #e8b923, var(--gold), #e8b923);
  color: var(--green-dark);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.35s;
  box-shadow: 0 4px 20px rgba(200,169,81,0.4);
  position: relative;
  overflow: hidden;
}

.btn-buy::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.btn-buy:hover::before { left: 100%; }

.btn-buy:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(200,169,81,0.55);
}

/* ── Sections ── */
.section {
  padding: 80px 60px;
}

.section-dark {
  background: var(--black);
  color: #fff;
}

.section-gray {
  background: var(--gray-100);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-600);
  font-size: 1rem;
  letter-spacing: 0.5px;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.section-dark .section-subtitle { color: #aaa; }

/* ── Knowledge Cards ── */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.knowledge-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  padding: 36px 28px;
  transition: all 0.35s;
}

.knowledge-card:hover {
  border-color: var(--gold);
  box-shadow: 0 12px 36px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}

.kc-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.knowledge-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.knowledge-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ── Article Content ── */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 32px;
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content p {
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 16px;
  color: var(--gray-800);
}

/* ── Reviews ── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.reviews-grid-compact {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  padding: 28px;
  transition: border-color 0.3s;
}

.review-card:hover { border-color: var(--gold); }

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold-light);
}

.reviews-grid-compact .review-avatar {
  width: 48px;
  height: 48px;
}

.review-name {
  font-size: 0.95rem;
  display: block;
}

.review-location {
  font-size: 0.78rem;
  color: var(--gray-600);
}

.review-stars {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-top: 2px;
}

.review-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray-800);
}

.review-meta {
  display: block;
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--gray-600);
  border-top: 1px solid var(--gray-200);
  padding-top: 12px;
}

/* ── FAQ ── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  margin-bottom: 12px;
  background: #fff;
}

.faq-item[open] { border-color: var(--gold); }

.faq-item summary {
  padding: 20px 28px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  margin: 0;
}

.faq-answer {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--gray-800);
}

.faq-answer ul {
  margin: 12px 0;
  padding-left: 24px;
}

.faq-answer li {
  margin-bottom: 8px;
  line-height: 1.7;
}

/* ── CTA Section ── */
.cta-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-block h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.cta-block p {
  color: #ccc;
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.8;
}

/* ══════════════════════════════════════════
   Product Detail Page (PDP)
   ══════════════════════════════════════════ */

.pdp {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px 80px;
}

.pdp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 40px 0;
}

/* Gallery */
.pdp-gallery {
  position: sticky;
  top: 130px;
  align-self: start;
}

.pdp-main-image {
  background: var(--gray-100);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.pdp-main-image img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.pdp-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--green-deep);
  color: var(--gold);
  padding: 6px 16px;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
}

/* Thumbnails */
.pdp-thumbnails {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.pdp-thumb {
  width: 80px;
  height: 80px;
  border: 2px solid var(--gray-200);
  background: var(--gray-100);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.3s;
  flex-shrink: 0;
}

.pdp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pdp-thumb:hover { border-color: var(--gold-dark); }
.pdp-thumb.active { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }

.pdp-trust-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.pdp-trust-row span {
  font-size: 0.78rem;
  color: var(--green-deep);
  font-weight: 600;
}

/* Info column */
.pdp-info { padding-top: 8px; }

.pdp-collection {
  font-size: 0.72rem;
  letter-spacing: 3px;
  color: var(--gold-dark);
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}

.pdp-info h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.pdp-subtitle {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.pdp-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.pdp-rating .stars {
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.pdp-rating .rating-text {
  font-weight: 700;
  font-size: 0.95rem;
}

.pdp-rating .rating-count {
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* Price Block */
.pdp-price-block {
  background: var(--gray-100);
  padding: 24px;
  margin-bottom: 28px;
  border-left: 4px solid var(--gold);
}

.pdp-price {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--green-deep);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.pdp-price-compare {
  font-size: 0.85rem;
  color: var(--gray-600);
  text-decoration: line-through;
  display: block;
  margin-bottom: 4px;
}

.pdp-savings {
  font-size: 0.9rem;
  color: var(--red);
  font-weight: 700;
}

/* Buy section */
.pdp-buy-section {
  margin-bottom: 36px;
}

.pdp-buy-sub {
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-600);
  margin-top: 12px;
}

/* Specs table */
.pdp-specs {
  margin-top: 8px;
}

.pdp-specs h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

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

.pdp-specs th,
.pdp-specs td {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--gray-200);
}

.pdp-specs th {
  font-weight: 600;
  color: var(--gray-800);
  width: 38%;
  background: var(--gray-100);
}

.pdp-specs td {
  color: var(--gray-600);
}

/* Description article */
.pdp-description {
  max-width: 900px;
  margin: 60px auto 0;
  padding-top: 60px;
  border-top: 1px solid var(--gray-200);
}

.pdp-description h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.pdp-description h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-top: 28px;
  margin-bottom: 10px;
}

.pdp-description p {
  font-size: 0.98rem;
  line-height: 1.85;
  margin-bottom: 14px;
  color: var(--gray-800);
}

/* PDP Reviews */
.pdp-reviews {
  margin-top: 60px;
  padding-top: 60px;
  border-top: 1px solid var(--gray-200);
}

.pdp-reviews h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 28px;
  text-align: center;
  letter-spacing: 1px;
}

/* Bottom CTA */
.pdp-bottom-cta {
  text-align: center;
  margin-top: 60px;
  padding: 60px 40px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-deep));
  color: #fff;
}

.pdp-bottom-cta h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 12px;
}

.pdp-bottom-cta p {
  color: var(--gold-light);
  margin-bottom: 28px;
  font-size: 1rem;
}

.pdp-bottom-cta .btn-buy {
  max-width: 480px;
  margin: 0 auto;
}

/* Checkout summary */
.checkout-summary {
  background: var(--gray-100);
  padding: 16px;
  margin: 16px 0 20px;
  font-size: 0.88rem;
}

.cs-line {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

.cs-total {
  border-top: 1px solid var(--gray-200);
  margin-top: 8px;
  padding-top: 10px;
  font-weight: 700;
  font-size: 1rem;
}

/* ── Footer ── */
.footer {
  background: var(--black);
  color: #999;
  padding: 60px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand h3 {
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.82rem;
  line-height: 1.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-size: 0.85rem;
  color: #888;
  transition: color 0.3s;
}

.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
}

.footer-bottom .demo-note {
  color: var(--red);
  font-weight: 600;
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-overlay.show { display: flex; }

.modal {
  background: #fff;
  max-width: 520px;
  width: 90%;
  padding: 40px;
  position: relative;
  animation: fadeUp 0.4s ease-out;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--gray-600);
}

.modal-close:hover { color: var(--black); }

.modal h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.modal .form-group { margin-bottom: 16px; }

.modal label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 600;
}

.modal input,
.modal select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  font-size: 0.92rem;
  font-family: var(--font-body);
  transition: border-color 0.3s;
}

.modal input:focus,
.modal select:focus {
  outline: none;
  border-color: var(--gold);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

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

/* ── Responsive ── */
@media (max-width: 960px) {
  .nav { padding: 0 24px; }
  .nav-links { gap: 18px; }
  .section { padding: 60px 24px; }
  .hero-text { padding: 60px 24px; }
  .hero-text h1 { font-size: 2rem; }
  .pdp { padding: 0 24px 60px; }
  .pdp-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pdp-gallery {
    position: static;
    max-width: 480px;
    margin: 0 auto;
  }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .breadcrumb { padding: 12px 24px; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero-text h1 { font-size: 1.6rem; letter-spacing: 1px; }
  .hero-lead { font-size: 0.95rem; }
  .section-title { font-size: 1.5rem; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .pdp-info h1 { font-size: 1.5rem; }
  .pdp-price { font-size: 2.2rem; }
  .btn-buy { font-size: 0.95rem; padding: 18px 24px; }
  .pdp-bottom-cta { padding: 40px 24px; }
}