:root {
  --navy: #0c2340;
  --navy-2: #123a6b;
  --navy-3: #1b4f8a;
  --gold: #e39b1a;
  --gold-2: #f0b429;
  --ink: #1a2332;
  --muted: #5b6573;
  --line: #e4e8ee;
  --bg: #f6f8fb;
  --white: #fff;
  --shadow: 0 10px 30px rgba(12, 35, 64, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-2); text-decoration: none; }
a:hover { color: var(--gold); }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.topbar {
  background: var(--navy);
  color: #d7e2ef;
  font-size: 13px;
  padding: 8px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: #fff; }
.header {
  position: sticky; top: 0; z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; color: inherit; }
.brand img { height: 52px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: var(--navy-2); font-size: 15px; letter-spacing: .02em; }
.brand-text span { color: var(--muted); font-size: 12px; }

nav { display: flex; align-items: center; gap: 4px; }
nav > a, .has-mega > span {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; color: var(--navy); font-weight: 700; font-size: 14px;
}
nav > a:hover, .has-mega:hover > span { color: var(--gold); }
.has-mega { position: relative; }
.mega {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-40%);
  width: min(860px, 80vw); background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow); padding: 18px; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.has-mega:hover .mega, .has-mega:focus-within .mega { display: grid; }
.mega a { display: block; padding: 8px 10px; border-radius: 6px; color: var(--ink); font-size: 13px; }
.mega a:hover { background: var(--bg); color: var(--navy-2); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gold); color: var(--navy); font-weight: 700;
  padding: 11px 18px; border-radius: 6px; border: 0; cursor: pointer;
}
.btn:hover { background: var(--gold-2); color: var(--navy); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-dark:hover { background: var(--navy-2); color: #fff; }
.btn-line { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); }
.btn-line:hover { background: #fff; color: var(--navy); }
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; }

.hero {
  position: relative; min-height: 560px; color: #fff; overflow: hidden;
  background: var(--navy);
}
.slides { position: absolute; inset: 0; }
.slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
  background-size: cover; background-position: center;
}
.slide.active { opacity: 1; }
.slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,20,38,.88) 0%, rgba(8,20,38,.55) 55%, rgba(8,20,38,.25) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 92px 0 80px; }
.eyebrow { color: var(--gold-2); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 12px; margin: 0 0 12px; }
.hero h1 { font-size: clamp(28px, 4.4vw, 48px); line-height: 1.15; margin: 0 0 16px; max-width: 720px; }
.hero p { max-width: 620px; font-size: 17px; color: #dce6f2; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 42px; }
.hero-points div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); padding: 14px 16px; border-radius: 8px; }
.hero-points strong { display: block; font-size: 13px; }
.hero-points span { color: #c9d6e6; font-size: 13px; }
.dots { position: absolute; z-index: 3; left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; gap: 8px; }
.dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,255,255,.4); cursor: pointer; }
.dots button.on { background: var(--gold); }

.section { padding: 72px 0; }
.section.alt { background: var(--bg); }
.sec-head { margin-bottom: 28px; }
.sec-head h2 { margin: 0 0 8px; font-size: 30px; color: var(--navy); }
.sec-head p { margin: 0; color: var(--muted); max-width: 720px; }

.cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card, .prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  box-shadow: 0 1px 0 rgba(12,35,64,.03);
}
.cat-card:hover, .prod-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.cat-card .thumb, .prod-card .thumb {
  height: 170px; background: #edf2f7 center/contain no-repeat;
}
.cat-card .body, .prod-card .body { padding: 14px 16px 16px; }
.cat-card h3, .prod-card h3 { margin: 0 0 4px; font-size: 16px; color: var(--navy); }
.meta { color: var(--muted); font-size: 13px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: start; }
.copy p { color: #334155; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.facts div { background: var(--bg); padding: 14px; border-radius: 8px; border: 1px solid var(--line); }
.facts strong { display: block; color: var(--navy); }

.spec { width: 100%; border-collapse: collapse; background: #fff; }
.spec th, .spec td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: top; }
.spec th { width: 34%; color: var(--muted); font-weight: 700; background: #f8fafc; }
.notice { background: #fff7e6; border: 1px solid #f1d39a; padding: 12px 14px; border-radius: 8px; color: #6a4b10; font-size: 14px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.card h3 { margin-top: 0; color: var(--navy); }
.card p, .card li { color: #334155; }
.page-hero {
  background: var(--navy) url("../images/products/1380.jpg") center/cover;
  color: #fff; padding: 64px 0;
  position: relative;
}
.page-hero::before { content:""; position:absolute; inset:0; background:rgba(8,20,38,.78); }
.page-hero .wrap { position: relative; }
.page-hero h1 { margin: 0 0 8px; font-size: 34px; }
.crumb { color: #c9d6e6; font-size: 13px; }
.crumb a { color: #fff; }

footer { background: var(--navy); color: #c5d2e3; padding: 42px 0 20px; }
.foot { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
footer h4 { color: #fff; margin: 0 0 12px; }
footer a { color: #dce6f2; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); padding-top: 14px; font-size: 13px; color: #9fb0c5; }

.wa {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  background: #25d366; color: #fff; font-weight: 700;
  padding: 12px 16px; border-radius: 999px; box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.wa:hover { color: #fff; filter: brightness(1.05); }

@media (max-width: 980px) {
  .cats, .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-points, .split, .contact-grid, .foot { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  nav { display: none; position: absolute; left: 0; right: 0; top: 78px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 10px; }
  nav.open { display: flex; }
  .mega { position: static; transform: none; width: auto; display: none; box-shadow: none; border: 0; padding: 0 0 8px 12px; grid-template-columns: 1fr; }
  .has-mega.open .mega { display: grid; }
  .hero { min-height: 520px; }
}
@media (max-width: 640px) {
  .cats, .grid { grid-template-columns: 1fr; }
  .brand-text strong { font-size: 13px; }
}