:root {
  --navy: #102a43;
  --ink: #243b53;
  --muted: #627d98;
  --accent: #f9703e;
  --accent-dark: #e2562a;
  --bg: #f7f8fa;
  --line: #e4e9ef;
  --card: #ffffff;
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--navy);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 8px rgba(16, 42, 67, .25);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { font-size: 1.35rem; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.logo span { color: var(--accent); }
.logo:hover { color: #fff; }
.site-header nav a {
  color: #cbd5e1; margin-left: 26px; font-size: .95rem; font-weight: 500;
}
.site-header nav a:hover { color: #fff; }

/* Hero */
.hero {
  position: relative;
  background: var(--navy);
  color: #fff;
  min-height: 420px;
  display: flex; align-items: center;
}
.hero img.bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .35;
}
.hero .wrap { position: relative; padding: 72px 20px; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; max-width: 620px; letter-spacing: -1px; }
.hero p.sub { margin: 18px 0 30px; font-size: 1.15rem; color: #d9e2ec; max-width: 560px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 12px 26px; border-radius: 8px; font-weight: 600; font-size: .95rem;
  transition: background .15s ease;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.ghost { background: transparent; border: 2px solid #fff; margin-left: 12px; }
.btn.ghost:hover { background: rgba(255,255,255,.12); }
.btn.small { padding: 8px 18px; font-size: .88rem; }

/* Trust bar */
.trustbar { background: #fff; border-bottom: 1px solid var(--line); }
.trustbar .wrap { display: flex; gap: 40px; justify-content: center; padding: 16px 20px; flex-wrap: wrap; }
.trustbar span { color: var(--muted); font-size: .9rem; font-weight: 600; }
.trustbar strong { color: var(--navy); }

/* Sections */
section.block { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head h2 { font-size: 1.9rem; color: var(--navy); letter-spacing: -.5px; }
.section-head p { color: var(--muted); margin-top: 8px; }

/* Category tiles */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-tile {
  position: relative; border-radius: var(--radius); overflow: hidden;
  height: 220px; display: flex; align-items: flex-end; color: #fff;
}
.cat-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.cat-tile:hover img { transform: scale(1.05); }
.cat-tile .label {
  position: relative; width: 100%; padding: 16px 20px;
  background: linear-gradient(transparent, rgba(16,42,67,.92));
  font-weight: 700; font-size: 1.1rem; color: #fff;
}
.cat-tile .label small { display: block; font-weight: 400; font-size: .85rem; color: #d9e2ec; }

/* Product cards */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: 0 10px 30px rgba(16,42,67,.10); transform: translateY(-3px); }
.card-img { position: relative; aspect-ratio: 4/3; overflow: hidden; background: #eef1f5; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  padding: 4px 10px; border-radius: 20px;
}
.badge.blue { background: var(--navy); }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.card-body .cat { font-size: .75rem; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); font-weight: 700; }
.card-body h3 { font-size: 1.08rem; color: var(--navy); margin: 6px 0 4px; line-height: 1.35; }
.rating { color: #f5b50a; font-size: .9rem; margin-bottom: 8px; }
.rating span { color: var(--muted); font-size: .82rem; margin-left: 6px; }
.card-body .desc { font-size: .9rem; color: var(--muted); flex: 1; }
.price-row { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }
.price { font-size: 1.25rem; font-weight: 800; color: var(--navy); }
.price small { font-size: .8rem; font-weight: 500; color: var(--muted); }

/* Guide cards */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.guide-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.guide-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.guide-card .body { padding: 20px 22px 24px; }
.guide-card .body .cat { font-size: .75rem; text-transform: uppercase; letter-spacing: .8px; color: var(--accent); font-weight: 700; }
.guide-card h3 { color: var(--navy); margin: 8px 0; font-size: 1.12rem; line-height: 1.4; }
.guide-card p { font-size: .9rem; color: var(--muted); }
.guide-card .meta { font-size: .8rem; color: var(--muted); margin-top: 14px; }

/* Article */
.article { max-width: 760px; margin: 0 auto; padding: 56px 20px; }
.article h1 { font-size: 2.1rem; color: var(--navy); line-height: 1.25; letter-spacing: -.5px; }
.article .meta { color: var(--muted); font-size: .88rem; margin: 14px 0 28px; }
.article h2 { color: var(--navy); font-size: 1.45rem; margin: 40px 0 14px; }
.article h3 { color: var(--navy); font-size: 1.15rem; margin: 28px 0 10px; }
.article p, .article li { font-size: 1rem; color: var(--ink); margin-bottom: 14px; }
.article ul, .article ol { padding-left: 22px; }
.article img.inline { border-radius: var(--radius); margin: 22px 0; }
.article table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: .92rem; }
.article th, .article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.article th { background: #eef1f5; color: var(--navy); }
.pick-box {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  padding: 22px; margin: 26px 0; display: flex; gap: 22px; align-items: center;
}
.pick-box img { width: 180px; height: 135px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.pick-box h3 { margin-top: 0; }
.callout {
  background: #fff7ed; border-left: 4px solid var(--accent);
  padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 24px 0; font-size: .95rem;
}

/* Why us */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.why-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; }
.why-item .icon { font-size: 1.8rem; }
.why-item h3 { color: var(--navy); margin: 12px 0 8px; font-size: 1.1rem; }
.why-item p { font-size: .92rem; color: var(--muted); }

/* Newsletter */
.newsletter { background: var(--navy); color: #fff; text-align: center; padding: 56px 0; }
.newsletter h2 { font-size: 1.7rem; }
.newsletter p { color: #d9e2ec; margin: 12px 0 24px; }

/* Page hero */
.page-hero { background: var(--navy); color: #fff; padding: 56px 0; }
.page-hero h1 { font-size: 2rem; letter-spacing: -.5px; }
.page-hero p { color: #d9e2ec; margin-top: 10px; max-width: 640px; }

/* Static page body */
.page-body { max-width: 780px; margin: 0 auto; padding: 52px 20px 64px; }
.page-body h2 { color: var(--navy); margin: 34px 0 12px; font-size: 1.35rem; }
.page-body p, .page-body li { margin-bottom: 13px; color: var(--ink); font-size: .98rem; }
.page-body ul { padding-left: 22px; }

/* Contact form */
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-form label { display: block; font-weight: 600; color: var(--navy); font-size: .9rem; margin: 16px 0 6px; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 14px; font-size: .95rem; font-family: inherit; background: #fbfcfe;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form .btn { margin-top: 20px; border: none; cursor: pointer; }

/* Footer */
footer { background: #0b1f33; color: #9fb3c8; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; padding: 56px 0 40px; }
footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
footer a { color: #9fb3c8; display: block; font-size: .9rem; margin-bottom: 8px; }
footer a:hover { color: #fff; }
footer .brand-note { font-size: .88rem; margin-top: 12px; line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0;
  font-size: .82rem; text-align: center;
}

@media (max-width: 900px) {
  .product-grid, .product-grid.four, .cat-grid, .guide-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2rem; }
}
@media (max-width: 600px) {
  .product-grid, .product-grid.four, .cat-grid, .guide-grid, .why-grid { grid-template-columns: 1fr; }
  .site-header nav a { margin-left: 14px; font-size: .85rem; }
  .btn.ghost { margin-left: 0; margin-top: 12px; }
  .pick-box { flex-direction: column; align-items: flex-start; }
  .pick-box img { width: 100%; height: auto; aspect-ratio: 4/3; }
}