/* ===== Sâm Trà Lululove — style.css (khung trang tĩnh) ===== */

:root {
  --green: oklch(0.32 0.08 155);
  --green-dark: oklch(0.22 0.05 155);
  --green-light: oklch(0.42 0.08 155);
  --gold: oklch(0.72 0.12 75);
  --gold-light: oklch(0.88 0.08 80);
  --gold-dark: oklch(0.55 0.12 70);
  --cream: oklch(0.97 0.012 80);
  --background: oklch(0.98 0.005 80);
  --foreground: oklch(0.18 0.02 50);
  --muted-foreground: oklch(0.52 0.02 60);
  --border: oklch(0.88 0.01 80);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: "Cormorant Garamond", serif; margin: 0; }
p { margin: 0; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 56px 0; }
.section-muted { background: var(--cream); }

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 10px;
}
.section-heading { margin-bottom: 36px; }
.section-heading.center { text-align: center; }
.section-heading h2 { font-size: 32px; font-weight: 700; color: var(--foreground); }
.divider-gold { height: 2px; width: 96px; margin-top: 14px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.divider-gold.center { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.btn:active { transform: scale(0.97); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,0.4); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-hotline { background: var(--green); color: #fff; }
.btn-hotline:hover { background: var(--green-light); }
.btn-order { width: 100%; justify-content: center; background: var(--green); color: #fff; margin-top: 10px; }
.btn-order:hover { background: var(--green-light); }

/* ===== Header ===== */
.topbar {
  background: var(--green-dark);
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 6px 12px;
}
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 46px; height: 46px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: "Cormorant Garamond", serif; font-weight: 700; font-size: 19px; color: var(--green); }
.brand-name.light { color: var(--gold-light); font-size: 20px; }
.brand-tagline { font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold-dark); font-weight: 600; }
.brand-sub { font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); font-weight: 600; }

.category-nav { border-top: 1px solid var(--border); overflow-x: auto; }
.nav-scroll { display: flex; gap: 4px; padding: 6px 20px; white-space: nowrap; }
.nav-scroll a { font-size: 12.5px; font-weight: 500; padding: 8px 10px; color: var(--foreground); opacity: 0.75; border-bottom: 2px solid transparent; }
.nav-scroll a:hover { color: var(--green); opacity: 1; border-color: var(--gold); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 60%, oklch(0.2 0.04 155) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero-inner { padding: 80px 20px 96px; max-width: 720px; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px; padding: 8px 16px; font-size: 14px; margin-bottom: 22px;
}
.hero h1 { font-size: 52px; font-weight: 700; line-height: 1.1; margin-bottom: 18px; }
.gold-text { color: var(--gold-light); }
.hero-desc { font-size: 17px; line-height: 1.65; color: rgba(255,255,255,0.82); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== Features bar ===== */
.features-bar { background: #fff; border-bottom: 1px solid var(--border); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; padding: 26px 20px; }
.feature { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; }
.feature span { font-size: 22px; }
.feature strong { display: block; font-size: 13.5px; }
.feature small { color: var(--muted-foreground); font-size: 12px; }

/* ===== Category quick nav ===== */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cat-card {
  background: linear-gradient(145deg, var(--cream), var(--gold-light) 180%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 14px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,0,0,0.08); }
.cat-emoji { font-size: 30px; }
.cat-card span:nth-child(2) { font-weight: 600; font-size: 13.5px; }
.cat-card small { color: var(--muted-foreground); font-size: 11.5px; }

/* ===== Product grid / cards ===== */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 32px rgba(0,0,0,0.08); }
.badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  background: var(--gold); color: #fff; font-size: 10.5px; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; letter-spacing: 0.03em;
}
.card-img-wrap { aspect-ratio: 1 / 1; background: var(--cream); overflow: hidden; }
.card-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-title { font-family: "Inter", sans-serif; font-weight: 600; font-size: 13.5px; line-height: 1.35; min-height: 36px; }
.card-desc { font-size: 12px; color: var(--muted-foreground); line-height: 1.5; min-height: 34px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-price { margin-top: auto; }
.price { font-weight: 700; color: var(--green); font-size: 15.5px; }
.price-old { font-size: 12px; color: var(--muted-foreground); text-decoration: line-through; margin-left: 6px; }

.category-section { padding: 48px 0; }
.category-section:nth-of-type(even) { background: var(--cream); }

/* ===== Trust section ===== */
.trust-section { background: var(--green); color: #fff; padding: 60px 0; text-align: center; }
.trust-section h2 { font-size: 30px; margin-bottom: 14px; }
.trust-section > .container > p { max-width: 560px; margin: 0 auto 40px; color: rgba(255,255,255,0.75); }
.trust-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.trust-stats strong { display: block; font-family: "Cormorant Garamond", serif; font-size: 30px; color: var(--gold-light); }
.trust-stats span { font-size: 12.5px; color: rgba(255,255,255,0.65); }

/* ===== Footer ===== */
.site-footer { background: var(--green-dark); color: #fff; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 34px; padding: 50px 20px; }
.footer-grid h4 { font-family: "Cormorant Garamond", serif; color: var(--gold-light); font-size: 18px; margin-bottom: 14px; }
.footer-grid ul li { margin-bottom: 9px; font-size: 13px; color: rgba(255,255,255,0.65); }
.footer-grid ul li a { color: rgba(255,255,255,0.65); }
.footer-grid ul li a:hover { color: var(--gold); }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; margin: 14px 0 16px; }
.social-row { display: flex; gap: 10px; }
.social-row a {
  width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700;
}
.social-row a:hover { background: var(--gold); }
.contact-list li { line-height: 1.5; }
.footer-note { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom-row { display: flex; flex-direction: column; gap: 6px; padding: 16px 20px; font-size: 11.5px; color: rgba(255,255,255,0.4); text-align: center; }

/* ===== Floating order button (mobile) ===== */
.floating-order {
  position: fixed; bottom: 18px; right: 18px; z-index: 60;
  background: var(--gold); color: #fff; font-weight: 600; font-size: 13px;
  padding: 12px 18px; border-radius: 999px; box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}
.floating-order:hover { background: var(--gold-dark); }

/* ===== Breadcrumb ===== */
.breadcrumb { font-size: 12.5px; color: var(--muted-foreground); padding: 18px 0 0; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumb a { color: var(--muted-foreground); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--foreground); font-weight: 500; }

/* ===== Product detail ===== */
.detail-wrap { padding: 20px 0 60px; }
.detail-card {
  background: #fff; border: 1px solid var(--border); border-radius: 24px;
  padding: 24px; display: grid; gap: 30px;
}
.gallery-main { aspect-ratio: 1/1; border-radius: 18px; overflow: hidden; background: var(--cream); position: relative; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 10px; overflow-x: auto; }
.gallery-thumbs img { width: 66px; height: 66px; object-fit: cover; border-radius: 10px; border: 2px solid var(--border); cursor: pointer; flex-shrink: 0; }
.gallery-thumbs img.active { border-color: var(--gold); }
.detail-brand { font-size: 11.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-dark); }
.detail-title { font-size: 26px; font-weight: 700; margin: 8px 0 14px; line-height: 1.3; }
.detail-price-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.detail-price { font-size: 30px; font-weight: 700; color: var(--green); }
.detail-price-old { font-size: 16px; color: var(--muted-foreground); text-decoration: line-through; }
.detail-save { font-size: 12.5px; background: #fde8e8; color: #c0392b; font-weight: 700; padding: 4px 10px; border-radius: 8px; }
.meta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 18px; }
.meta-box { background: var(--cream); border-radius: 12px; padding: 10px 12px; }
.meta-box small { display: block; font-size: 11px; color: var(--muted-foreground); margin-bottom: 2px; }
.meta-box span { font-weight: 600; font-size: 13.5px; }
.meta-box.in-stock span { color: #1a8a4a; }
.short-desc { border-left: 3px solid var(--gold); padding-left: 14px; font-size: 13.5px; color: var(--muted-foreground); line-height: 1.6; margin-bottom: 20px; }
.detail-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.detail-cta .btn { font-size: 15px; padding: 14px 26px; }
.guarantees-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-top: 1px solid var(--border); padding-top: 20px; text-align: center; }
.guarantees-row div { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11.5px; color: var(--muted-foreground); }
.guarantees-row span.ic { font-size: 20px; }

.info-panels { display: grid; gap: 20px; margin-top: 24px; }
.info-panel { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 26px; }
.info-panel h2 { font-size: 21px; margin-bottom: 16px; }
.prose { font-size: 14px; line-height: 1.75; color: var(--foreground); }
.prose h3 { font-family: "Inter", sans-serif; font-size: 16px; font-weight: 700; margin: 18px 0 8px; color: var(--green); }
.prose h3:first-child { margin-top: 0; }
.prose p { margin: 0 0 10px; }
.prose ul { margin: 0 0 10px; padding-left: 20px; list-style: disc; }
.prose li { margin-bottom: 4px; }
.prose strong { color: var(--green); }
.prose table { width: 100%; border-collapse: collapse; margin: 4px 0 14px; font-size: 13px; }
.prose th, .prose td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.prose th { background: var(--cream); font-weight: 700; color: var(--green); }
.prose ol { margin: 0 0 10px; padding-left: 20px; }
.origin-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.origin-item { background: var(--cream); border-radius: 14px; padding: 14px; }
.origin-item small { display: block; color: var(--muted-foreground); font-size: 11px; margin-bottom: 3px; }
.origin-item strong { font-size: 13.5px; }
.policy-mini-row { display: grid; gap: 12px; }
.policy-mini { display: flex; gap: 12px; background: var(--cream); border-radius: 14px; padding: 14px; }
.policy-mini .ic { width: 36px; height: 36px; border-radius: 50%; background: rgba(43,74,58,0.1); display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.policy-mini strong { display: block; font-size: 13.5px; margin-bottom: 2px; }
.policy-mini span { font-size: 12px; color: var(--muted-foreground); }

.related-section { padding: 40px 0 60px; }

/* ===== Policy pages ===== */
.policy-hero { background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%); color: #fff; padding: 56px 0; }
.policy-hero-icon { width: 56px; height: 56px; border-radius: 18px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px; }
.policy-hero h1 { font-size: 32px; margin-bottom: 8px; }
.policy-hero p { color: rgba(255,255,255,0.75); font-size: 14.5px; }
.policy-body { max-width: 760px; margin: 0 auto; padding: 40px 20px 70px; display: flex; flex-direction: column; gap: 22px; }
.policy-intro { background: rgba(200,160,90,0.12); border: 1px solid rgba(200,160,90,0.35); border-radius: 18px; padding: 20px; font-size: 14.5px; line-height: 1.7; color: var(--foreground); }
.policy-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 22px; }
.policy-card h2 { font-size: 19px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.policy-list { display: flex; flex-direction: column; gap: 10px; }
.policy-list li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.6; align-items: flex-start; }
.policy-list .yes { color: #1a8a4a; }
.policy-list .no { color: #c0392b; }
.policy-steps { display: flex; flex-direction: column; gap: 14px; }
.policy-step { display: flex; gap: 14px; }
.policy-step .num { width: 32px; height: 32px; border-radius: 50%; background: var(--green); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.policy-step strong { display: block; font-size: 13.5px; margin-bottom: 2px; }
.policy-step p { font-size: 12.5px; color: var(--muted-foreground); line-height: 1.6; margin: 0; }
.policy-cta { background: var(--green-dark); border-radius: 18px; padding: 26px; color: #fff; text-align: center; }
.policy-cta h2 { font-size: 19px; margin-bottom: 6px; }
.policy-cta p { font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.policy-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.policy-cta-actions .btn { font-size: 13.5px; }

.pay-grid { display: grid; gap: 16px; }
.pay-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 20px; }
.pay-card-head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.pay-icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; flex-shrink: 0; }
.pay-badge { font-size: 10.5px; background: var(--gold-light); color: var(--gold-dark); font-weight: 700; padding: 2px 8px; border-radius: 999px; margin-left: 6px; }
.pay-steps { font-size: 12.5px; color: var(--muted-foreground); display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.pay-note { font-size: 11.5px; background: var(--cream); border-radius: 10px; padding: 8px 10px; color: var(--green); }
.bank-grid { display: grid; gap: 12px; margin-top: 12px; }
.bank-card { border: 1px solid var(--border); border-radius: 14px; padding: 14px; background: var(--cream); }
.bank-card .bank-name { font-weight: 700; font-size: 13.5px; color: var(--green); margin-bottom: 4px; }
.bank-card .bank-number { font-family: monospace; font-size: 17px; font-weight: 700; letter-spacing: 0.03em; }
.bank-card .bank-owner { font-size: 12.5px; color: var(--muted-foreground); margin-top: 2px; }

.ship-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 4px; }
.ship-table th { background: var(--green); color: #fff; text-align: left; padding: 10px 12px; font-size: 12px; }
.ship-table th:first-child { border-radius: 10px 0 0 0; }
.ship-table th:last-child { border-radius: 0 10px 0 0; }
.ship-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--muted-foreground); }
.ship-table tr:last-child td { font-weight: 700; color: var(--gold-dark); }
.ship-time-grid { display: grid; gap: 12px; margin-top: 14px; }
.ship-time-card { border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.ship-time-card .emoji { font-size: 24px; margin-bottom: 8px; }
.ship-time-card strong { display: block; font-size: 13px; margin-bottom: 4px; }
.ship-time-card .time { font-size: 17px; font-weight: 700; color: var(--green); margin-bottom: 4px; }
.ship-time-card small { color: var(--muted-foreground); font-size: 11.5px; }
.carrier-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 10px; }
.carrier-item { border: 1px solid var(--border); border-radius: 12px; padding: 12px; text-align: center; font-size: 12.5px; font-weight: 600; }

.faq-group h2 { font-size: 19px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; margin-bottom: 10px; overflow: hidden; }
.faq-item summary { padding: 14px 16px; font-weight: 600; font-size: 13.5px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--gold-dark); font-weight: 700; font-size: 18px; flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-answer { padding: 0 16px 16px; font-size: 13px; color: var(--muted-foreground); line-height: 1.65; }
.faq-quicklinks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.faq-quicklinks a { text-align: center; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 10px; font-size: 12px; color: var(--muted-foreground); }
.faq-quicklinks a:hover { border-color: var(--gold); color: var(--green); }

.trust-numbers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px; }
.trust-numbers div { text-align: center; background: var(--cream); border-radius: 12px; padding: 12px; }
.trust-numbers strong { display: block; font-size: 18px; color: var(--green); }
.trust-numbers span { font-size: 11px; color: var(--muted-foreground); }

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-stats { grid-template-columns: repeat(4, 1fr); }
  .footer-bottom-row { flex-direction: row; justify-content: space-between; text-align: left; }
  .pay-grid { grid-template-columns: repeat(2, 1fr); }
  .bank-grid { grid-template-columns: repeat(3, 1fr); }
  .ship-time-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-numbers { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 900px) {
  .detail-card { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
  .cat-grid { grid-template-columns: repeat(6, 1fr); }
  .features-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .hero h1 { font-size: 60px; }
}