:root {
  --navy: #2b3261;
  --navy-2: #2d2e83;
  --navy-hover: #3a4278;
  --accent: #226fca;
  --pink: #e31c79;
  --footer: #d8e7fd;
  --bg: #ffffff;
  --muted: #5c5c5c;
  --line: #e4e4e4;
  --text: #1a1a1a;
  --soft: #f6f7fb;
  --ok: #1f7a4d;
  --warn: #b45309;
  --radius: 10px;
  --max: 1125px;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --font: "DM Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font-family: inherit; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.ad-label {
  background: #1a1a1a;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
  padding: 7px 16px;
}
.affiliate-bar {
  background: #fff6e8;
  border-bottom: 1px solid #f1d7a6;
  color: #5c4316;
  font-size: 13px;
  line-height: 1.45;
  padding: 10px 16px;
  text-align: center;
}
.affiliate-bar a { color: #5c4316; text-decoration: underline; }

/* Top bar */
.topbar {
  background: var(--navy);
  color: #fff;
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
}
.topbar a { color: #fff; text-decoration: underline; }
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.logo img, .logo svg { height: 40px; width: auto; display: block; }
.logo:hover { text-decoration: none; }
.amazon-note {
  font-size: 13px;
  color: var(--muted);
  margin: 8px 0 0;
}
.merchant-chip {
  display: inline-block;
  background: var(--soft);
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

/* Header */
.header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.nav { display: flex; gap: 22px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--navy); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn {
  background: none; border: 0; padding: 6px; cursor: pointer; color: var(--navy);
  position: relative; display: inline-flex;
}
.cart-count {
  position: absolute; top: -2px; right: -6px;
  background: var(--navy); color: #fff; border-radius: 99px;
  min-width: 18px; height: 18px; font-size: 11px; font-weight: 700;
  display: none; align-items: center; justify-content: center;
}
.cart-count.show { display: inline-flex; }
.menu-toggle { display: none; }

/* Trust strip */
.trust-strip {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}
.trust-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 14px 0;
}
.trust-item {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 14px; color: var(--navy); text-align: left;
}
.trust-item svg { flex-shrink: 0; }

/* Breadcrumb */
.breadcrumb { padding: 16px 0 8px; font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb span { color: var(--text); }

/* Product */
.product-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  padding: 12px 0 40px;
  align-items: start;
}
.gallery-main {
  background: var(--soft);
  border-radius: var(--radius);
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  cursor: zoom-in;
}
.gallery-main img {
  width: 100%; height: 100%; object-fit: contain;
}
.thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}
.thumbs button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}
.thumbs button.active, .thumbs button:hover { border-color: var(--navy); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }

.brand-chip {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--pink); font-weight: 700; font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 8px;
}
h1 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.2;
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--navy);
}
.rating-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--muted); margin-bottom: 14px;
}
.stars { color: #e2b100; letter-spacing: 1px; }
.price-box { margin: 8px 0 6px; }
.price {
  font-size: 40px; font-weight: 600; color: var(--navy); letter-spacing: -0.5px;
}
.price-note, .omnibus { font-size: 14px; color: var(--muted); margin: 4px 0; }
.stock {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ok); font-weight: 600; font-size: 14px; margin: 10px 0 16px;
}
.stock::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
}
.qty-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.qty {
  display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
.qty button, .qty input {
  border: 0; background: #fff; height: 42px; text-align: center;
}
.qty button { width: 42px; cursor: pointer; font-size: 18px; color: var(--navy); }
.qty input { width: 48px; font-size: 16px; font-weight: 600; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; height: 50px; border-radius: 8px; border: 1px solid transparent;
  font-size: 16px; font-weight: 700; cursor: pointer; transition: .2s;
  text-decoration: none;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-hover); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--navy); border-color: var(--navy); margin-top: 8px; }
.btn-secondary:hover { background: #eaebef; text-decoration: none; }
.info-box { margin-top: 18px; }
.ship-today {
  font-size: 15px; margin: 0 0 12px;
}
.ship-today strong { color: var(--navy); }
.highlight { color: var(--accent); font-weight: 700; }
.info-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.info-row:last-child { border-bottom: 1px solid var(--line); }
.info-row svg { flex-shrink: 0; margin-top: 2px; color: var(--navy); }
.info-row a { font-size: 13px; }

.disclaimer {
  font-size: 13px; color: var(--muted); background: var(--soft);
  padding: 12px 14px; border-radius: 8px; margin-top: 16px;
}

/* Hero banner */
.hero-banner {
  margin: 10px 0 48px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  min-height: 380px;
  background: #8d8d8d url("../images/hero.jpg") center/cover no-repeat;
  color: #fff;
}
.hero-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(43,50,97,.72) 0%, rgba(43,50,97,.18) 55%, transparent 100%);
}
.hero-copy {
  position: relative; z-index: 1;
  padding: 48px 44px;
  max-width: 520px;
}
.hero-copy h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin: 0 0 16px;
  font-weight: 800;
  line-height: 1.15;
}
.hero-list {
  border: 1px solid rgba(255,255,255,.7);
  padding: 14px 18px;
  border-radius: 6px;
  list-style: none;
  margin: 0;
}
.hero-list li { padding: 4px 0 4px 14px; position: relative; font-weight: 500; }
.hero-list li::before {
  content: ""; width: 7px; height: 7px; background: #fff;
  position: absolute; left: 0; top: 11px;
}

/* Split sections */
.section { padding: 28px 0; }
.section h2, .block-title {
  font-size: 28px; font-weight: 800; color: var(--navy); margin: 0 0 12px;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 28px 0;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
.split img {
  width: 100%; border-radius: var(--radius); object-fit: cover; max-height: 380px;
}
.check-list { list-style: none; padding: 0; margin: 16px 0 0; }
.check-list li {
  display: flex; align-items: flex-start; gap: 8px;
  margin: 8px 0;
}
.check-list svg { color: var(--accent); flex-shrink: 0; margin-top: 3px; }

/* Feature grids */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.card h3 { font-size: 18px; margin: 12px 0 8px; font-weight: 800; color: var(--navy); }
.card p { margin: 0; font-size: 14.5px; color: #333; }
.card img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; background: var(--soft);
}

/* Specs */
.specs {
  background: var(--soft);
  border-radius: 12px;
  padding: 28px;
  margin: 20px 0 40px;
}
.specs table { width: 100%; border-collapse: collapse; }
.specs td {
  padding: 12px 8px;
  border-bottom: 1px solid #dde3f0;
  font-size: 15px;
}
.specs td:first-child { font-weight: 700; color: var(--navy); width: 42%; }

/* How to */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px;
}
.step-num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 18px; color: var(--navy); }

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.faq summary {
  cursor: pointer; font-weight: 700; color: var(--navy); list-style: none;
  display: flex; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--navy); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 10px 0 4px; color: #333; }

/* Reviews */
.reviews-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 20px; }
.review {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 12px;
}
.review-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--muted); }
.review h3 { margin: 6px 0; font-size: 16px; }

/* Sticky bar */
.sticky-buy {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: min(1000px, calc(100% - 24px));
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 10px;
  padding: 10px 16px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  z-index: 35;
}
.sticky-buy.show { display: flex; }
.sticky-left { display: flex; align-items: center; gap: 12px; }
.sticky-left img { width: 56px; height: 56px; object-fit: contain; border-radius: 8px; background: var(--soft); }
.sticky-left h3 { margin: 0; font-size: 15px; }
.sticky-right { display: flex; align-items: center; gap: 16px; }
.sticky-right .price { font-size: 20px; }
  .sticky-right .btn { width: auto; min-width: 140px; padding: 0 22px; height: 44px; }

/* Footer */
.footer-cta {
  background: var(--footer);
  color: var(--navy-2);
  padding: 48px 0 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 48px;
}
.footer-cta h3 { font-size: 18px; margin: 0 0 16px; font-weight: 600; }
.footer-cta a { display: block; color: var(--navy-2); font-size: 14px; margin-bottom: 10px; text-decoration: none; }
.footer-cta a:hover { text-decoration: underline; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.contact-icon {
  width: 56px; height: 56px; border-radius: 50%; background: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.footer-bottom {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 20px 0 40px;
  font-size: 13px; color: var(--muted);
}
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.payments { display: flex; gap: 8px; flex-wrap: wrap; }
.pay-badge {
  border: 1px solid var(--line); border-radius: 4px; padding: 4px 8px;
  font-size: 11px; font-weight: 700; color: var(--navy);
}
.policies { display: flex; flex-wrap: wrap; gap: 12px 18px; }
.company-legal { margin-top: 10px; font-size: 12px; line-height: 1.5; }

/* Legal pages */
.page { padding: 32px 0 64px; max-width: 820px; }
.page h1 { font-size: 32px; }
.page h2 { font-size: 20px; margin: 28px 0 10px; color: var(--navy); }
.page p, .page li { color: #333; }
.page ul { padding-left: 18px; }

/* Checkout */
.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 32px;
  padding: 24px 0 64px;
}
.form-card, .summary-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
}
label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 6px; }
input[type="text"], input[type="email"], input[type="tel"], textarea, select {
  width: 100%; height: 46px; border: 1px solid #cfcfcf; border-radius: 8px;
  padding: 0 12px; font-size: 15px;
}
textarea { height: 90px; padding: 10px 12px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; font-weight: 400; margin-top: 14px; }
.check input { margin-top: 3px; }
.pay-opt {
  border: 1px solid var(--line); border-radius: 8px; padding: 12px;
  display: flex; gap: 10px; align-items: flex-start; margin-top: 8px;
}
.summary-line { display: flex; justify-content: space-between; margin: 8px 0; }
.summary-total { font-size: 20px; font-weight: 800; color: var(--navy); border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.notice { background: #fff7e8; border: 1px solid #f1d7a6; color: #6b4a12; padding: 12px; border-radius: 8px; font-size: 14px; }

/* Cookie */
.cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  border-radius: 12px; padding: 16px 18px; z-index: 80;
  display: none; max-width: 720px; margin: 0 auto;
}
.cookie.show { display: block; }
.cookie-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.cookie .btn { width: auto; height: 40px; padding: 0 16px; font-size: 14px; }

.mobile-nav {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px 16px;
}
.mobile-nav a { display: block; padding: 10px 0; color: var(--navy); font-weight: 600; }

@media (max-width: 900px) {
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .product-grid, .split, .split.reverse, .grid-4, .steps, .checkout-grid, .footer-grid, .trust-strip-inner {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .hero-banner { min-height: 300px; }
  .hero-copy { padding: 28px 20px; }
  .sticky-buy { border-radius: 0; bottom: 0; width: 100%; }
  .sticky-left h3 { display: none; }
  .price { font-size: 32px; }
  .row-2 { grid-template-columns: 1fr; }
}