:root{
  --navy:#0b1c2c;
  --navy-2:#12263a;
  --ink:#152433;
  --muted:#5b6b7a;
  --line:#d7dee6;
  --paper:#f4f7fa;
  --white:#fff;
  --accent:#c45c26;
  --accent-2:#e07a3d;
  --ok:#1f6b4a;
  --shadow:0 10px 30px rgba(11,28,44,.08);
  --radius:14px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99}

/* Header */
.topbar{background:var(--navy);color:#d7e3ee;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:760;letter-spacing:.02em}
.logo img{height:36px;width:auto}
.logo span{display:block;font-size:11px;color:var(--muted);font-weight:500}
nav.menu{display:flex;align-items:center;gap:4px}
nav.menu>a,nav.menu>.drop>summary{
  display:block;padding:10px 12px;border-radius:8px;font-weight:600;font-size:14.5px;cursor:pointer;list-style:none
}
nav.menu>a:hover,.drop>summary:hover{background:var(--paper)}
.drop{position:relative}
.drop>summary::-webkit-details-marker{display:none}
.mega{
  position:absolute;left:50%;transform:translateX(-50%);top:calc(100% + 8px);
  width:min(920px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);padding:18px;display:grid;
  grid-template-columns:repeat(3,1fr);gap:10px
}
.mega a{display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px}
.mega a:hover{background:var(--paper)}
.mega img{width:54px;height:40px;object-fit:cover;border-radius:6px;background:#eee}
.mega b{display:block;font-size:13px}
.mega small{color:var(--muted);font-size:12px}
.cta-row{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 16px;border-radius:999px;font-weight:700;font-size:14px;border:1px solid transparent
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-dark{background:var(--navy);color:#fff}
.btn-ghost{border-color:var(--line);background:#fff}
.btn-line{border-color:rgba(255,255,255,.4);color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px}

/* Hero */
.hero{
  position:relative;min-height:78vh;display:grid;place-items:end stretch;
  color:#fff;overflow:hidden;background:var(--navy)
}
.hero-slides{position:absolute;inset:0}
.hero-slides .slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background:#0b1c2c center/cover no-repeat
}
.hero-slides .slide.is-on{opacity:1}
.hero-slides .slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,18,28,.86) 0%,rgba(8,18,28,.55) 48%,rgba(8,18,28,.28) 100%)
}
.hero-copy{position:relative;z-index:2;padding:90px 0 70px}
.kicker{letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:#f0c3a6;font-weight:700;margin:0 0 12px}
.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.12;margin:0 0 16px;max-width:16ch}
.hero p.lead{font-size:18px;max-width:58ch;color:#e7eef5;margin:0 0 28px}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin:28px 0 0;padding:0;list-style:none}
.hero-points li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:10px 14px;border-radius:10px;font-size:13px}
.dots{position:absolute;z-index:3;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:8px}
.dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer}
.dots button.on{background:#fff}

/* Sections */
section{padding:72px 0}
.center{text-align:center}
h1,h2,h3,h4{line-height:1.2;margin:0 0 12px}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:20px}
.sub{color:var(--muted);max-width:70ch;margin:0 auto 36px}
.sub.left{margin-left:0}
.grid-4,.grid-3,.grid-2{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 1px 0 rgba(11,28,44,.03)
}
.card .media{aspect-ratio:4/3;background:#e9eef3;overflow:hidden}
.card .media img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px 16px 18px}
.card h3{font-size:17px;margin-bottom:6px}
.card p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:6px}
.panel{background:var(--paper);border-radius:20px;padding:28px}
.steps{counter-reset:s}
.steps li{list-style:none;position:relative;padding-left:48px;margin:0 0 18px}
.steps li::before{
  counter-increment:s;content:counter(s);position:absolute;left:0;top:0;
  width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700
}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.fact{background:var(--navy);color:#fff;border-radius:14px;padding:18px}
.fact b{display:block;font-size:26px}
.fact span{color:#b7c6d4;font-size:13px}
.page-hero{background:var(--navy);color:#fff;padding:64px 0 48px}
.page-hero p{color:#c9d6e2;max-width:70ch}
.crumbs{font-size:13px;color:#9eb0c0;margin-bottom:10px}
.crumbs a{color:#fff}
.prod-hero{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;padding:40px 0}
.prod-hero img{width:100%;border-radius:16px;background:#eef2f6;max-height:520px;object-fit:contain}
.muted{color:var(--muted)}
.stack> * + *{margin-top:10px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:700}
.faq p{color:var(--muted);margin:8px 0 0}
footer{background:var(--navy-2);color:#c5d3df;padding:48px 0 24px}
footer h4{color:#fff}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:24px}
.foot-grid a{display:block;padding:3px 0}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:16px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.wa{
  position:fixed;right:16px;bottom:16px;z-index:50;background:#25d366;color:#fff;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 20px rgba(37,211,102,.35)
}
.wa svg{width:28px;height:28px}
.list-check{padding-left:18px}
.list-check li{margin:0 0 8px}
table.specs{width:100%;border-collapse:collapse}
table.specs th,table.specs td{text-align:left;border-bottom:1px solid var(--line);padding:10px 8px;font-size:14px}
table.specs th{width:38%;color:var(--muted);font-weight:600}

@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2,.split,.prod-hero,.foot-grid,.facts{grid-template-columns:1fr}
  .mega{position:static;transform:none;width:auto;grid-template-columns:1fr;box-shadow:none;border:0;padding:8px 0}
  .menu-toggle{display:block}
  nav.menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 20px}
  nav.menu.open{display:flex}
  .hero{min-height:88vh}
  .hero-copy{padding:72px 0 80px}
}
@media (max-width:640px){
  .grid-4{grid-template-columns:1fr}
  section{padding:52px 0}
}

/* === fail-patch enrich (senkosteel-inspired layout density) === */
:root{--fp-ink:#0B1220;--fp-blue:#1E5AA8;--fp-blue-soft:#8FB1DD;--fp-muted:#5B6B7C;--fp-bg:#F5F7FA;--fp-line:#D7DEE7;--fp-max:1160px;--fp-s-4:1rem;--fp-s-5:1.5rem;--fp-s-6:2rem;--fp-s-7:3rem;--fp-s-8:4rem;--fp-s-9:5rem}
.full-bleed,.hero.full-bleed,.hero-full,.banner-full{position:relative;isolation:isolate;overflow:hidden;min-height:100vh;min-height:70vh;background-size:cover;background-position:center}
.hero.full-bleed{display:flex;align-items:flex-end;color:#fff;background:#0B1220}
.hero.full-bleed .hero-media,.hero-full .hero-media{position:absolute;inset:0;z-index:-2}
.hero.full-bleed .hero-media img,.hero-full .hero-media img{width:100%;height:100%;object-fit:cover;display:block}
.hero.full-bleed::after,.hero-full::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(11,18,32,.78),rgba(11,18,32,.45) 55%,rgba(11,18,32,.55));pointer-events:none}
.hero.full-bleed .hero-inner,.hero.full-bleed .wrap{position:relative;z-index:1;padding:var(--fp-s-9) 1.25rem var(--fp-s-8);max-width:760px}
.hero.full-bleed h1{color:#fff;font-size:clamp(1.75rem,4vw,3rem);line-height:1.15;margin:0 0 1rem}
.hero.full-bleed p,.hero.full-bleed .hero-lead{color:#D5DFEB;font-size:1.05rem;line-height:1.6;max-width:44em}
.hero-strip{background:rgba(255,255,255,.07);border-top:1px solid rgba(255,255,255,.14)}
.hero-strip .wrap,.fp-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:var(--fp-max);margin:0 auto;padding:0 1.25rem}
.hero-strip div,.fp-strip>div{padding:1.25rem 1.25rem 1.25rem 0;border-right:1px solid rgba(255,255,255,.12)}
.hero-strip div:last-child,.fp-strip>div:last-child{border-right:0}
.fp-section{padding:var(--fp-s-8) 1.25rem;background:#fff}
.fp-section.alt{background:var(--fp-bg)}
.fp-wrap{max-width:var(--fp-max);margin:0 auto}
.fp-section h2{font-size:clamp(1.35rem,2.5vw,1.85rem);margin:0 0 1rem;color:var(--fp-ink)}
.fp-section .lead{color:var(--fp-muted);font-size:1.05rem;line-height:1.65;max-width:48em;margin:0 0 1.75rem}
.fp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem}
.fp-card{background:#fff;border:1px solid var(--fp-line);border-radius:10px;overflow:hidden;box-shadow:0 1px 2px rgba(11,18,32,.04)}
.fp-card img{width:100%;height:180px;object-fit:cover;display:block;background:#e8eef5}
.fp-card .body{padding:1rem 1.05rem 1.2rem}
.fp-card h3{margin:0 0 .4rem;font-size:1rem;color:var(--fp-ink)}
.fp-card p{margin:0;color:var(--fp-muted);font-size:.92rem;line-height:1.5}
.fp-split{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center}
.fp-split img{width:100%;border-radius:12px;object-fit:cover;max-height:420px}
.fp-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-top:1.5rem}
.fp-facts div{background:#fff;border:1px solid var(--fp-line);border-radius:10px;padding:1rem 1.1rem}
.fp-facts strong{display:block;font-size:1.35rem;color:var(--fp-blue);margin-bottom:.25rem}
.fp-cta{background:var(--fp-ink);color:#fff;padding:var(--fp-s-8) 1.25rem;text-align:center}
.fp-cta h2{color:#fff;margin:0 0 .75rem}
.fp-cta p{color:#D5DFEB;max-width:40em;margin:0 auto 1.25rem;line-height:1.6}
.fp-btn{display:inline-block;background:var(--fp-blue);color:#fff;padding:.85rem 1.35rem;border-radius:8px;text-decoration:none;font-weight:600}
@media (max-width:860px){
  .fp-split{grid-template-columns:1fr}
  .hero-strip .wrap,.fp-strip{grid-template-columns:1fr 1fr}
  .hero.full-bleed{min-height:60vh}
}
@media (max-width:560px){
  .hero-strip .wrap,.fp-strip{grid-template-columns:1fr}
}