:root {
  --navy: #0F1E3D;
  --navy-light: #1B3160;
  --blue: #2451C4;
  --red: #E5344A;
  --bg: #F5F6F8;
  --card: #FFFFFF;
  --text: #16233A;
  --text-muted: #5B6B85;
  --border: #E3E7EE;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15, 30, 61, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', 'Segoe UI', Arial, sans-serif; color: var(--text); background: var(--bg); overflow-x: hidden; }
h1, h2, h3 { font-family: 'Poppins', 'Inter', Arial, sans-serif; color: var(--navy); line-height: 1.2; text-transform: uppercase; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 900; letter-spacing: .01em; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; margin-bottom: .6em; letter-spacing: .01em; }
h3 { font-size: 1.05rem; font-weight: 700; text-transform: none; }
p { line-height: 1.65; color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; background: var(--card); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; gap: 12px; flex-wrap: nowrap; }
.logo img { height: 34px; width: auto; }
.main-nav { display: flex; gap: 22px; flex: 1; justify-content: center; }
.main-nav a { font-weight: 600; font-size: .9rem; color: var(--navy); white-space: nowrap; }
.main-nav a:hover { color: var(--blue); }
.lang-select { flex-shrink: 0; padding: 8px 10px; font-size: .8rem; font-weight: 700; color: var(--navy); border: 1.5px solid var(--border); border-radius: 8px; background: var(--card); cursor: pointer; max-width: 140px; }
.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 30px; height: 30px; background: none; border: none; cursor: pointer; padding: 0; flex-shrink: 0; }
.burger span { display: block; width: 100%; height: 2px; background: var(--navy); transition: transform .25s ease, opacity .25s ease; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; flex-direction: column; background: var(--card); box-shadow: var(--shadow); max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.mobile-nav a { padding: 14px 20px; font-weight: 600; color: var(--navy); border-top: 1px solid var(--border); }
.mobile-nav.open { max-height: 420px; }

/* Buttons */
.btn { display: inline-block; padding: 13px 30px; background: var(--navy); color: #fff; font-weight: 700; font-size: .88rem; letter-spacing: .02em; border-radius: 4px; box-shadow: var(--shadow); transition: transform .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); background: var(--blue); }

/* Hero */
.hero { background-color: var(--navy); background-size: cover; background-position: center 22%; padding: 0; overflow: hidden; position: relative; height: clamp(340px, 34vw, 480px); display: flex; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,30,61,.88) 0%, rgba(15,30,61,.55) 50%, rgba(15,30,61,.25) 100%); }
.hero-inner { position: relative; z-index: 1; }
.hero-text { max-width: 600px; }
.hero-text h1 { color: #fff; }
.hero-text p.intro { color: #D7DDEA; font-size: 1.08rem; max-width: 520px; margin: 18px 0 28px; text-transform: none; }
.hero-text .btn { background: var(--red); }
.hero-text .btn:hover { background: #c72740; }

/* Category sections */
.cat-section { padding: 56px 0 20px; }
.cat-section:nth-of-type(odd) { background: var(--card); }
.cat-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 1000px; margin: 0 auto 40px; }
.cat-copy p { font-size: .95rem; margin: 0; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: var(--bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(15,30,61,.14); }
.product-card .pc-image { background: #EDEFF3; padding: 24px; text-align: center; }
.product-card .pc-image img { margin: 0 auto; max-height: 220px; width: auto; }
.product-card .pc-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.product-card h3 { margin: 0; font-size: .98rem; font-weight: 700; }
.product-card .pc-lines { list-style: none; margin: 0; padding: 0; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.product-card .pc-lines li { font-size: .82rem; color: var(--text-muted); padding-left: 18px; position: relative; }
.product-card .pc-lines li::before { content: '•'; position: absolute; left: 0; color: var(--red); font-weight: 800; }
.product-card .btn { align-self: flex-start; margin-top: 6px; }

/* Compare table */
.compare { padding: 20px 0 56px; }
.compare-scroll { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.compare-table { border-collapse: collapse; width: 100%; min-width: 640px; background: var(--navy); }
.compare-table th, .compare-table td { padding: 12px 16px; text-align: center; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .85rem; color: #fff; }
.compare-table thead th { background: #081128; font-weight: 700; text-transform: none; font-size: .78rem; letter-spacing: .02em; position: sticky; top: 0; white-space: normal; line-height: 1.35; min-width: 150px; }
.compare-table tbody th { text-align: left; font-weight: 600; color: #9FB0D6; background: var(--navy-light); white-space: nowrap; font-size: .8rem; }
.compare-table tbody tr:nth-child(even) td { background: #142445; }

/* Reviews */
.reviews { padding: 56px 0; background: var(--card); }
.review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.review-card { background: var(--bg); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.review-card .stars { color: #F5A623; font-size: 1rem; margin-bottom: 10px; }
.review-card p { color: var(--text); font-style: italic; }
.review-card .author { margin-top: 14px; font-weight: 700; color: var(--navy); font-style: normal; font-size: .88rem; }
.review-card .author span { font-weight: 400; color: var(--text-muted); }

/* FAQ */
.faq { padding: 56px 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { cursor: pointer; padding: 18px 4px; font-weight: 700; color: var(--navy); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--red); transition: transform .25s ease; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 4px 18px; margin: 0; }

/* Info pages (About/Services/How/Contact/Privacy) */
.info-page { padding: 64px 0 80px; max-width: 760px; margin: 0 auto; }
.info-page h1 { margin-bottom: .6em; }
.info-page p { font-size: 1rem; margin-bottom: 1.1em; }

/* Footer */
.site-footer { padding: 48px 0 24px; background: var(--navy); color: #C9D2E6; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand img { filter: brightness(0) invert(1); margin-bottom: 14px; }
.footer-brand p { color: #9FB0D6; font-size: .86rem; }
.footer-col h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; margin: 0 0 14px; }
.footer-col a { display: block; color: #C9D2E6; font-size: .88rem; margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.site-footer .disclaimer { font-size: .74rem; color: #6E7EA3; max-width: 900px; margin: 20px auto 0; text-align: center; padding: 0 20px; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .burger { display: flex; }
  .mobile-nav { display: flex; }
  .cat-copy { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 600px) {
  .site-header { padding: 10px 14px; }
  .logo img { height: 26px; }
  .lang-select { max-width: 92px; font-size: .72rem; padding: 6px 6px; }
}