:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #111827;
  --muted: #5d697a;
  --line: #dfe5ed;
  --navy: #0b1f3a;
  --navy-2: #15365d;
  --red: #d91f26;
  --red-dark: #b8171d;
  --green: #12855b;
  --shadow: 0 18px 50px rgba(11,31,58,.10);
  --radius: 22px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(223,229,237,.85);
  backdrop-filter: blur(18px);
}
.header-row { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 210px; }
.brand img { width: 42px; height: 42px; }
.brand-text { display: grid; line-height: 1.05; }
.brand-text strong { font-size: 18px; letter-spacing: -.02em; }
.brand-text span { margin-top: 5px; color: var(--muted); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  background: #f2f5f9;
  border: 1px solid var(--line);
  border-radius: 15px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85);
}
.nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 10px;
  color: #425066;
  font-weight: 750;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  flex: 0 0 auto;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.nav a:hover {
  color: var(--navy);
  background: #fff;
  box-shadow: 0 5px 16px rgba(11,31,58,.09);
  transform: translateY(-1px);
}
.nav a[aria-current="page"] {
  color: #fff;
  background: var(--red);
  box-shadow: 0 7px 18px rgba(217,31,38,.23);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch { position: relative; }
.lang-switch summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px;
  min-height: 42px; padding: 0 13px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  font-size: 13px; font-weight: 700;
  white-space: nowrap;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.lang-switch summary:hover { border-color: #c6cfdb; background:#fbfcfe; box-shadow:0 5px 16px rgba(11,31,58,.07); }
.lang-switch summary::-webkit-details-marker { display:none; }
.lang-switch summary::after {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-left: 2px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform .2s ease;
  transform-origin: 50% 45%;
}
.lang-switch[open] summary::after { transform: rotate(180deg); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 170px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
}
.lang-menu a { display: block; padding: 9px 11px; border-radius: 9px; color: #334155; font-size: 14px; }
.lang-menu a:hover, .lang-menu a.active { background: var(--surface-2); color: var(--red); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background:#fff; cursor:pointer; }
.menu-toggle span { display:block; width:18px; height:2px; margin:4px auto; background:var(--navy); }
.hero { position: relative; overflow: hidden; padding: 88px 0 72px; background: linear-gradient(135deg, #071528 0%, #102d50 66%, #193e68 100%); color:#fff; }
.hero::before, .hero::after { content:""; position:absolute; border-radius:50%; filter: blur(1px); opacity:.35; }
.hero::before { width:460px; height:460px; right:-170px; top:-240px; background: radial-gradient(circle, #e43c43, transparent 68%); }
.hero::after { width:520px; height:520px; left:-310px; bottom:-380px; border:1px solid rgba(255,255,255,.2); }
.hero-grid { position:relative; z-index:1; display:grid; grid-template-columns:minmax(0,1.08fr) minmax(370px,.92fr); gap:72px; align-items:center; }
.eyebrow { display:inline-flex; align-items:center; gap:9px; font-size:13px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.eyebrow::before { content:""; width:26px; height:2px; background:var(--red); }
.hero h1 { max-width: 760px; margin:18px 0 22px; font-size:clamp(42px,5vw,72px); line-height:1.04; letter-spacing:-.052em; }
.hero p { max-width:700px; margin:0; color:#d7e0eb; font-size:clamp(17px,2vw,20px); }
.actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }
.btn { min-height:50px; display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:0 21px; border-radius:13px; font-weight:800; font-size:14px; transition:.2s ease; }
.btn-primary { color:#fff; background:var(--red); box-shadow:0 12px 30px rgba(217,31,38,.28); }
.btn-primary:hover { background:var(--red-dark); transform:translateY(-1px); }
.btn-light { color:#fff; border:1px solid rgba(255,255,255,.28); background:rgba(255,255,255,.08); }
.btn-light:hover { background:rgba(255,255,255,.14); }
.hero-card { position:relative; padding:26px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); border-radius:28px; box-shadow:0 28px 70px rgba(0,0,0,.18); backdrop-filter:blur(14px); }
.chip-visual { aspect-ratio:1.25; display:grid; place-items:center; overflow:hidden; border-radius:20px; background:linear-gradient(145deg,#17263b,#07101d); border:1px solid rgba(255,255,255,.09); }
.chip { position:relative; width:54%; aspect-ratio:1; border-radius:20px; background:linear-gradient(145deg,#d71f26,#891014); box-shadow:0 0 0 9px #111e2e, 0 28px 45px rgba(0,0,0,.35); display:grid; place-items:center; }
.chip::before, .chip::after { content:""; position:absolute; inset:-28px; background:repeating-linear-gradient(90deg,transparent 0 12px,#aab5c2 12px 17px,transparent 17px 28px); z-index:-1; }
.chip::after { transform:rotate(90deg); }
.chip img { width:55%; filter:none; opacity:.96; }
.mini-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:16px; }
.mini-stat { padding:14px; border-radius:15px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); }
.mini-stat strong { display:block; font-size:19px; }
.mini-stat span { color:#c9d4e2; font-size:11px; }
.trustbar { background:#fff; border-bottom:1px solid var(--line); }
.trustbar-grid { min-height:86px; display:grid; grid-template-columns:repeat(4,1fr); align-items:center; }
.trust-item { display:flex; align-items:center; gap:12px; padding:14px 26px; border-right:1px solid var(--line); }
.trust-item:first-child { padding-left:0; }
.trust-item:last-child { border-right:0; }
.icon-box { flex:0 0 42px; width:42px; height:42px; border-radius:12px; display:grid; place-items:center; background:#fce9ea; color:var(--red); font-weight:900; }
.trust-item strong { display:block; font-size:14px; }
.trust-item span { display:block; color:var(--muted); font-size:12px; }
.section { padding:96px 0; }
.section-sm { padding:68px 0; }
.section-white { background:#fff; }
.section-dark { background:var(--navy); color:#fff; }
.section-heading { display:flex; justify-content:space-between; gap:36px; align-items:end; margin-bottom:38px; }
.section-heading h2 { margin:10px 0 0; font-size:clamp(32px,4vw,48px); line-height:1.12; letter-spacing:-.04em; }
.section-heading p { max-width:580px; margin:0; color:var(--muted); }
.section-dark .section-heading p { color:#c8d3e1; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.card { padding:26px; border-radius:var(--radius); background:#fff; border:1px solid var(--line); box-shadow:0 10px 35px rgba(11,31,58,.05); }
.card h3 { margin:16px 0 8px; font-size:20px; line-height:1.25; }
.card p { margin:0; color:var(--muted); font-size:14px; }
.category-card { min-height:245px; position:relative; overflow:hidden; display:flex; flex-direction:column; justify-content:space-between; padding:27px; border-radius:22px; background:linear-gradient(145deg,#fff,#f2f5f9); border:1px solid var(--line); }
.category-card::after { content:""; position:absolute; width:150px; height:150px; right:-56px; bottom:-64px; border-radius:38px; transform:rotate(32deg); background:linear-gradient(145deg,rgba(217,31,38,.18),rgba(217,31,38,.03)); }
.category-card .symbol { position:relative; z-index:1; width:56px; height:56px; display:grid; place-items:center; border-radius:16px; color:var(--red); background:#fff; border:1px solid #efc7c9; font-size:24px; font-weight:900; }
.category-card h3 { position:relative; z-index:1; margin:42px 0 7px; font-size:20px; }
.category-card p { position:relative; z-index:1; margin:0; color:var(--muted); font-size:13px; }
.steps { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; counter-reset:steps; }
.step { counter-increment:steps; padding:25px; border-radius:20px; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12); }
.step::before { content:"0" counter(steps); display:block; color:#ff666b; font-size:13px; font-weight:900; letter-spacing:.08em; }
.step h3 { margin:35px 0 9px; font-size:19px; }
.step p { margin:0; color:#c9d4e1; font-size:13px; }
.cta { padding:42px; display:flex; align-items:center; justify-content:space-between; gap:32px; border-radius:28px; background:linear-gradient(135deg,#d91f26,#a20d13); color:#fff; box-shadow:0 22px 55px rgba(217,31,38,.23); }
.cta h2 { margin:0 0 8px; font-size:clamp(28px,4vw,42px); line-height:1.15; letter-spacing:-.035em; }
.cta p { margin:0; color:#ffe1e2; }
.cta .btn { flex:0 0 auto; background:#fff; color:var(--red); }
.page-hero { padding:72px 0 62px; background:linear-gradient(135deg,#08172b,#14355a); color:#fff; }
.page-hero .breadcrumbs { color:#aebed0; font-size:13px; }
.page-hero h1 { max-width:820px; margin:20px 0 15px; font-size:clamp(40px,5vw,64px); line-height:1.06; letter-spacing:-.045em; }
.page-hero p { max-width:760px; margin:0; color:#d0dae6; font-size:18px; }
.product-list { display:grid; gap:16px; }
.product-row { display:grid; grid-template-columns:80px 1fr 1fr auto; gap:25px; align-items:center; padding:22px; border:1px solid var(--line); border-radius:20px; background:#fff; }
.product-row .symbol { width:58px; height:58px; display:grid; place-items:center; border-radius:16px; background:#fce9ea; color:var(--red); font-size:24px; font-weight:900; }
.product-row h3 { margin:0 0 4px; font-size:18px; }
.product-row p { margin:0; color:var(--muted); font-size:13px; }
.tags { display:flex; flex-wrap:wrap; gap:7px; }
.tag { padding:6px 9px; border-radius:999px; color:#465568; background:#eef2f6; font-size:11px; font-weight:700; }
.availability { color:var(--green); font-size:12px; font-weight:800; white-space:nowrap; }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.info-panel { padding:32px; border:1px solid var(--line); border-radius:24px; background:#fff; }
.info-panel h2, .info-panel h3 { margin-top:0; }
.info-panel p { color:var(--muted); }
.check-list { list-style:none; padding:0; margin:24px 0 0; display:grid; gap:13px; }
.check-list li { position:relative; padding-left:30px; color:#344154; }
.check-list li::before { content:"✓"; position:absolute; left:0; top:1px; width:20px; height:20px; display:grid; place-items:center; border-radius:50%; background:#e5f5ef; color:var(--green); font-size:12px; font-weight:900; }
.metrics { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.metric { padding:24px; border-radius:20px; background:#fff; border:1px solid var(--line); }
.metric strong { display:block; color:var(--navy); font-size:30px; letter-spacing:-.04em; }
.metric span { color:var(--muted); font-size:12px; }
.contact-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:24px; }
.contact-card { padding:32px; border-radius:24px; background:#fff; border:1px solid var(--line); }
.contact-list { display:grid; gap:14px; margin-top:25px; }
.contact-line { padding:15px 0; border-top:1px solid var(--line); }
.contact-line span { display:block; color:var(--muted); font-size:12px; }
.contact-line strong, .contact-line a { font-size:16px; font-weight:800; }
.notice { padding:15px 18px; border-left:3px solid var(--red); background:#fff5f5; color:#5d2b2d; font-size:13px; }
.site-footer { padding:54px 0 25px; background:#061325; color:#fff; }
.footer-grid { display:grid; grid-template-columns:1.35fr .8fr .9fr; gap:55px; padding-bottom:38px; }
.footer-brand p { max-width:420px; color:#aebbc9; font-size:13px; }
.footer-title { margin:0 0 14px; color:#fff; font-size:13px; text-transform:uppercase; letter-spacing:.08em; }
.footer-links { display:grid; gap:9px; color:#b8c4d1; font-size:13px; }
.footer-links a:hover { color:#fff; }
.footer-bottom { padding-top:22px; border-top:1px solid rgba(255,255,255,.11); display:flex; justify-content:space-between; gap:20px; color:#8f9cac; font-size:12px; }
@media (max-width: 980px) {
  .nav {
    position:fixed;
    top:79px;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:5px;
    padding:14px 20px 20px;
    background:#fff;
    border:0;
    border-bottom:1px solid var(--line);
    border-radius:0;
    box-shadow:var(--shadow);
  }
  .nav.open { display:flex; }
  .nav a {
    width:100%;
    min-height:46px;
    justify-content:flex-start;
    padding:0 14px;
    border-radius:11px;
    font-size:14px;
  }
  .nav a:hover { transform:none; background:var(--surface-2); box-shadow:none; }
  .nav a[aria-current="page"] { color:var(--red-dark); background:#fff1f2; box-shadow:none; }
  .menu-toggle { display:block; }
  .hero-grid { grid-template-columns:1fr; gap:46px; }
  .hero-card { max-width:640px; }
  .trustbar-grid { grid-template-columns:repeat(2,1fr); }
  .trust-item:nth-child(2) { border-right:0; }
  .trust-item:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .grid-4, .steps { grid-template-columns:repeat(2,1fr); }
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .product-row { grid-template-columns:66px 1fr auto; }
  .product-row .tags { grid-column:2/4; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-brand { grid-column:1/-1; }
}
@media (max-width: 700px) {
  .container { width:min(calc(100% - 28px), var(--container)); }
  .header-row { min-height:70px; gap:12px; }
  .brand { min-width:0; }
  .brand-text span { display:none; }
  .brand-text strong { font-size:16px; }
  .brand img { width:38px; height:38px; }
  .nav { top:71px; }
  .lang-switch summary { min-height:40px; padding:0 10px; }
  .hero { padding:66px 0 54px; }
  .hero h1 { font-size:41px; }
  .mini-stats { grid-template-columns:1fr; }
  .trustbar-grid { grid-template-columns:1fr; padding:9px 0; }
  .trust-item, .trust-item:first-child { padding:12px 0; border-right:0; border-bottom:1px solid var(--line); }
  .trust-item:last-child { border-bottom:0; }
  .section, .section-sm { padding:66px 0; }
  .section-heading { display:block; }
  .section-heading p { margin-top:16px; }
  .grid-3, .grid-4, .steps, .two-col, .metrics, .contact-grid { grid-template-columns:1fr; }
  .cta { padding:29px; align-items:flex-start; flex-direction:column; }
  .page-hero { padding:56px 0 48px; }
  .product-row { grid-template-columns:58px 1fr; gap:16px; }
  .product-row .tags, .product-row .availability { grid-column:1/-1; }
  .footer-grid { grid-template-columns:1fr; gap:30px; }
  .footer-brand { grid-column:auto; }
  .footer-bottom { flex-direction:column; }
}


/* Price request */
.request-grid { display:grid; grid-template-columns:.82fr 1.18fr; gap:28px; align-items:start; }
.request-copy { position:sticky; top:112px; padding:34px; border-radius:26px; color:#fff; background:linear-gradient(145deg,var(--navy),var(--navy-2)); box-shadow:var(--shadow); }
.request-copy h2 { margin:12px 0 12px; font-size:clamp(30px,4vw,44px); line-height:1.12; letter-spacing:-.035em; }
.request-copy > p { margin:0; color:#d0dae6; }
.request-copy .check-list li { color:#e4ebf3; }
.request-copy .check-list li::before { background:rgba(255,255,255,.13); color:#fff; }
.request-email { margin-top:28px; padding-top:22px; border-top:1px solid rgba(255,255,255,.15); }
.request-email span { display:block; color:#aebed0; font-size:12px; }
.request-email a { font-size:18px; font-weight:800; }
.request-form-card { padding:34px; border-radius:26px; background:#fff; border:1px solid var(--line); box-shadow:0 15px 45px rgba(11,31,58,.07); }
.request-form-card h2 { margin:0 0 24px; font-size:30px; letter-spacing:-.03em; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field { display:grid; gap:8px; margin:0; }
.field-full { grid-column:1/-1; }
.field > span, .field legend { color:#344154; font-size:13px; font-weight:800; }
.field input, .field textarea { width:100%; border:1px solid var(--line); border-radius:14px; background:#f9fafc; padding:15px 16px; color:var(--text); font:inherit; outline:none; transition:.2s; resize:vertical; }
.field input:hover, .field textarea:hover { border-color:#bdc8d6; }
.field input:focus, .field textarea:focus { border-color:var(--red); box-shadow:0 0 0 4px rgba(217,31,38,.09); background:#fff; }
.field input::placeholder, .field textarea::placeholder { color:#99a4b3; }
.checkbox-field { border:0; padding:0; min-width:0; }
.checkbox-field legend { margin-bottom:9px; }
.checkbox-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:9px; }
.check-option { position:relative; cursor:pointer; }
.check-option input { position:absolute; opacity:0; pointer-events:none; }
.check-option span { display:block; padding:11px 13px; border:1px solid var(--line); border-radius:12px; background:#f9fafc; color:#475569; font-size:12px; font-weight:750; transition:.2s; }
.check-option input:checked + span { border-color:var(--red); color:var(--red-dark); background:#fff3f3; box-shadow:inset 0 0 0 1px var(--red); }
.check-option input:focus-visible + span { outline:3px solid rgba(217,31,38,.18); }
.form-submit { margin-top:22px; border:0; cursor:pointer; }
.form-note { margin:14px 0 0; color:var(--muted); font-size:12px; }
.form-status { min-height:24px; margin:9px 0 0; color:var(--green); font-size:13px; font-weight:800; }
@media (max-width: 900px) { .request-grid { grid-template-columns:1fr; } .request-copy { position:static; } }
@media (max-width: 700px) { .request-copy, .request-form-card { padding:25px; border-radius:22px; } .form-grid, .checkbox-grid { grid-template-columns:1fr; } }