/* ===== Tokens ===== */
:root {
  --navy: #0b2545;
  --navy-2: #123a6b;
  --blue: #1f6fb2;
  --blue-light: #5fb3e8;
  --orange: #ff7a29;
  --green: #16a34a;
  --green-dark: #0f7a37;
  --bg: #f5f8fc;
  --white: #ffffff;
  --text: #16202e;
  --muted: #5b6779;
  --border: #e3e9f2;
  --shadow: 0 10px 30px -12px rgba(11, 37, 69, 0.18);
  --radius: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; }
p { margin: 0; }
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
section { padding: 64px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(22, 163, 74, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--navy);
  margin-bottom: 10px;
}
.section-head p { color: var(--muted); font-size: 16px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(22, 163, 74, 0.6);
}
.btn-primary:hover { background: var(--green-dark); }
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }
.btn-navy {
  background: var(--navy);
  color: #fff;
}
.btn-navy:hover { background: var(--navy-2); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(11,37,69,0.15);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: var(--navy); font-size: 17px; letter-spacing: 0.01em; }
.brand-text span { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em; }

.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.main-nav a:hover { color: var(--green); border-color: var(--green); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.hotline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--navy);
  font-size: 14.5px;
}
.hotline svg { flex-shrink: 0; color: var(--green); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before { position: absolute; top: -6px; width: 18px; }
.nav-toggle span::after { position: absolute; top: 6px; width: 18px; }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(31, 111, 178, 0.35), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(255, 122, 41, 0.25), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, var(--blue) 130%);
  color: #fff;
  padding: 72px 0 56px;
  overflow: hidden;
}
.hero-inner {
  display: flex;
  justify-content: center;
}
.hero-copy {
  max-width: 640px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 800;
  margin-bottom: 16px;
}
.hero h1 span { color: var(--orange); }
.hero-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 14px;
}
.hero p.lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin: 0 auto 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; justify-content: center; }
.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero-stats div strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}
.hero-stats div span { font-size: 13px; color: rgba(255,255,255,0.72); }

.hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.hero-visual img {
  border-radius: 18px;
  box-shadow: 0 20px 40px -15px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.15);
  aspect-ratio: 3/4;
  object-fit: cover;
  background: #fff;
}
.hero-visual .tile-2 { margin-top: 26px; }
.hero-visual .tile-3 { margin-top: -26px; }

/* ===== Trust strip ===== */
.trust-strip {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  flex: 1 1 200px;
}
.trust-item svg { color: var(--green); flex-shrink: 0; }

/* ===== Product quick nav (pills) ===== */
.model-pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 44px;
}
.model-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 10px 18px 10px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.15s;
}
.model-pill:hover { transform: translateY(-2px); border-color: var(--green); }
.model-pill img {
  width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: #eef3f9;
}

/* ===== Product Card grid (overview) ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px -14px rgba(11,37,69,0.25); }
.product-card .thumb {
  aspect-ratio: 1/1;
  background: linear-gradient(160deg, #eef3fa, #f8fbff);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  position: relative;
}
.product-card .thumb img { max-height: 100%; object-fit: contain; }
.badge-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--orange);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.product-card .body { padding: 18px 18px 22px; display: flex; flex-direction: column; flex: 1; gap: 10px; }
.product-card .body h3 { font-size: 17px; color: var(--navy); }
.product-card .body .variant { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.product-card .feat-list { display: flex; flex-direction: column; gap: 6px; margin: 4px 0 10px; }
.product-card .feat-list li {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.8px; color: var(--text);
}
.product-card .feat-list li::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}
.product-card .card-actions { margin-top: auto; display: flex; gap: 8px; }

/* ===== Product detail sections ===== */
.product-detail {
  scroll-margin-top: 78px;
  padding: 70px 0;
}
.product-detail:nth-of-type(even) { background: #fff; }
.pd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 34px;
}
.pd-head .title-block .kicker {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pd-head h2 { font-size: clamp(24px, 3vw, 30px); color: var(--navy); margin-top: 4px; }
.pd-head .variant-chip {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-dark);
  background: rgba(22,163,74,0.1);
  padding: 4px 12px;
  border-radius: 999px;
}
.color-dots { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.color-dots span.dot {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--border);
}
.color-dots span.label { font-size: 12.5px; color: var(--muted); margin-left: 4px; }

.pd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}

/* Gallery */
.gallery .main-frame {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, #eef3fa, #f8fbff);
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.gallery .main-frame img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.thumb-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.thumb-row::-webkit-scrollbar { height: 6px; }
.thumb-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
.thumb-row button {
  flex: 0 0 auto;
  width: 66px;
  height: 66px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: #fff;
  padding: 4px;
  cursor: pointer;
  overflow: hidden;
}
.thumb-row button.active { border-color: var(--green); }
.thumb-row img { width: 100%; height: 100%; object-fit: contain; }

/* Highlights + specs */
.pd-info .highlight-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 26px;
}
.highlight-item {
  display: flex;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}
.highlight-item .icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: rgba(22,163,74,0.12);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.highlight-item strong { display: block; font-size: 13.5px; color: var(--navy); margin-bottom: 2px; }
.highlight-item span { font-size: 12.3px; color: var(--muted); }

.specs-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td { padding: 10px 4px; font-size: 14px; vertical-align: top; }
.specs-table td:first-child {
  width: 34%;
  color: var(--muted);
  font-weight: 600;
}
.specs-table td:last-child { color: var(--text); font-weight: 500; }

.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-note {
  margin-top: 14px;
  font-size: 12.6px;
  color: var(--muted);
  display: flex;
  gap: 6px;
}

/* ===== Compare table ===== */
.compare-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
table.compare {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #fff;
}
table.compare th, table.compare td {
  padding: 14px 16px;
  text-align: left;
  font-size: 13.6px;
  border-bottom: 1px solid var(--border);
}
table.compare thead th {
  background: var(--navy);
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: sticky;
  top: 0;
}
table.compare tbody th {
  color: var(--navy);
  font-weight: 700;
  white-space: nowrap;
  background: #f8fafd;
}
table.compare tbody tr:last-child td,
table.compare tbody tr:last-child th { border-bottom: none; }
table.compare tbody tr:hover td { background: #f4f9ff; }

/* ===== Warranty / Why us ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
}
.why-card .icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), var(--blue));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  margin-bottom: 14px;
}
.why-card h3 { font-size: 16.5px; color: var(--navy); margin-bottom: 8px; }
.why-card p { font-size: 13.6px; color: var(--muted); }

.gift-banner {
  margin-top: 40px;
  background: linear-gradient(120deg, var(--navy), var(--blue));
  border-radius: var(--radius);
  color: #fff;
  padding: 30px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.gift-banner h3 { font-size: 20px; margin-bottom: 8px; }
.gift-banner p { color: rgba(255,255,255,0.82); font-size: 14px; max-width: 480px; }
.gift-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.gift-chips span {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
}

/* ===== CTA strip ===== */
.cta-strip {
  background: radial-gradient(800px 300px at 50% 0%, rgba(255,122,41,0.35), transparent 70%), var(--navy);
  color: #fff;
  text-align: center;
  padding: 60px 0;
}
.cta-strip h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 12px; }
.cta-strip p { color: rgba(255,255,255,0.78); margin-bottom: 26px; }
.cta-strip .btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Contact / Footer ===== */
.contact-section .pd-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.contact-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-row:last-child { border-bottom: none; }
.contact-row .icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(31,111,178,0.1); color: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-row strong { display: block; font-size: 14px; color: var(--navy); }
.contact-row span { font-size: 13.4px; color: var(--muted); }
.contact-row span a { color: var(--green-dark); font-weight: 700; }
.contact-row span a:hover { text-decoration: underline; }
.contact-row .fill-in {
  color: var(--orange);
  font-style: italic;
}
.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 100%;
  min-height: 320px;
  background: #eef3fa;
}
.map-embed iframe { display: block; }

footer.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 44px 0 20px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 20px;
}
.footer-brand { display: flex; gap: 12px; align-items: center; max-width: 320px; }
.footer-brand img { width: 44px; height: 44px; border-radius: 50%; }
.footer-brand strong { color: #fff; font-size: 16px; display:block; }
.footer-brand p { font-size: 13px; margin-top: 4px; }
.footer-links h4 { color: #fff; font-size: 14px; margin-bottom: 12px; }
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13.4px; }
.footer-links a:hover { color: var(--orange); }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
}
.socials { display: flex; gap: 10px; }
.socials a {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
}
.socials a:hover { background: var(--green); }

/* ===== Floating actions ===== */
.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 300;
}
.floating-actions a {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 10px 20px -6px rgba(0,0,0,0.35);
  animation: pulse 2.4s infinite;
}
.fab-call { background: var(--green); }
.fab-zalo { background: #0068ff; animation-delay: 0.4s; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74,0.45); }
  70% { box-shadow: 0 0 0 14px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 14, 26, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: min(880px, 90vw);
  max-height: 85vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 22px; right: 26px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}

/* ===== Pricing ===== */
.price-block {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.price-block .price-now {
  font-size: 24px;
  font-weight: 800;
  color: var(--green-dark);
}
.price-block .price-old {
  font-size: 14px;
  color: var(--muted);
  text-decoration: line-through;
}
.price-block .price-badge {
  background: var(--orange);
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 999px;
}
.price-block.sm { margin: 8px 0; }
.price-block.sm .price-now { font-size: 18px; }
.price-block.sm .price-old { font-size: 12.5px; }

.compare-old {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  text-decoration: line-through;
  margin-top: 2px;
}

/* ===== Buttons: outline navy + link ===== */
.btn-outline-navy {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: #fff; }
.btn-link-sm {
  display: block;
  text-align: center;
  font-size: 12.6px;
  font-weight: 700;
  color: var(--blue);
  padding: 4px 0 0;
}
.btn-link-sm:hover { color: var(--green-dark); }
.card-actions { flex-direction: column; gap: 8px; }

/* ===== Cart button (header) ===== */
.cart-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.cart-btn:hover { border-color: var(--green); color: var(--green-dark); }
.cart-count[hidden] { display: none; }
.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ===== Cart drawer ===== */
.drawer-overlay, .modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 14, 26, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 400;
}
.drawer-overlay.open, .modal-overlay.open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 100vw);
  background: #fff;
  z-index: 410;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  box-shadow: -12px 0 30px rgba(11,37,69,0.2);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.cart-drawer-head h3 { font-size: 17px; color: var(--navy); }
.drawer-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  color: var(--navy);
  font-size: 18px;
  cursor: pointer;
}
.cart-items { flex: 1; overflow-y: auto; padding: 12px 20px; }
.cart-empty { color: var(--muted); font-size: 14px; text-align: center; margin-top: 40px; }
.cart-item {
  display: grid;
  grid-template-columns: 52px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item img { width: 52px; height: 52px; object-fit: contain; background: var(--bg); border-radius: 8px; }
.cart-item-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cart-item-info strong { font-size: 13.4px; color: var(--navy); }
.cart-item-info span { font-size: 11.8px; color: var(--muted); }
.cart-item-price { color: var(--green-dark) !important; font-weight: 700; }
.cart-item-qty {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700;
}
.cart-item-qty button {
  width: 22px; height: 22px; border-radius: 6px;
  border: 1px solid var(--border); background: #fff; cursor: pointer;
}
.cart-item-remove {
  border: none; background: none; color: var(--muted);
  font-size: 18px; cursor: pointer; line-height: 1;
}
.cart-item-remove:hover { color: var(--orange); }
.cart-drawer-foot { padding: 16px 20px 20px; border-top: 1px solid var(--border); }
.cart-total-row {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; font-size: 15px; color: var(--navy);
}
.cart-total-row strong { font-size: 19px; color: var(--green-dark); }

/* ===== Checkout modal ===== */
.checkout-modal {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  width: min(480px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  padding: 30px 26px 26px;
  margin: 6vh auto;
}
.modal-overlay { display: flex; align-items: flex-start; }
.checkout-modal h3 { font-size: 19px; color: var(--navy); margin-bottom: 14px; }
.checkout-modal .drawer-close { position: absolute; top: 14px; right: 14px; }
.checkout-items {
  background: var(--bg);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 4px;
}
.checkout-line {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: 13px; padding: 5px 0; color: var(--text);
}
.checkout-total-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 2px 18px; font-size: 14.5px; color: var(--navy); font-weight: 700;
}
.checkout-total-row strong { font-size: 19px; color: var(--green-dark); }
.form-field { display: block; margin-bottom: 14px; }
.form-field span { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 5px; }
.form-field input, .form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  resize: vertical;
}
.form-field input:focus, .form-field textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.checkout-error {
  background: rgba(255,122,41,0.12);
  color: #b5480f;
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  margin-bottom: 12px;
}
.checkout-success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(22,163,74,0.12); color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; margin: 0 auto 16px;
}
#checkoutSuccessView { text-align: center; }
#checkoutSuccessView p { color: var(--muted); font-size: 14px; margin: 10px 0 20px; }

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--navy);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 600;
  box-shadow: var(--shadow);
  max-width: 90vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .pd-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-section .pd-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .main-nav, .header-actions .hotline { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 20px 22px;
    box-shadow: var(--shadow);
  }
  .main-nav.open ul { flex-direction: column; gap: 4px; }
  .main-nav.open a { display: block; padding: 10px 4px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .highlight-list { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .gift-banner { flex-direction: column; align-items: flex-start; }
  section { padding: 46px 0; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 18px; }
}