/* ============ Design tokens ============ */
:root{
  --navy-950:#061830;
  --navy-900:#0A2344;
  --navy-800:#0E2E59;
  --navy-700:#123C70;
  --brand:#2B62B0;
  --brand-dark:#20508F;
  --brand-light:#7FB8F0;
  --ice:#E9F3FC;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FC;
  --bg-soft-2:#EDF3FA;
  --text:#12233B;
  --body:#3E536C;
  --muted:#657B94;
  --line:#E2EAF3;
  --white:#FFFFFF;
  --shadow-sm:0 4px 18px rgba(12,40,80,.06);
  --shadow-md:0 16px 40px rgba(12,40,80,.11);
  --shadow-lg:0 28px 70px rgba(6,24,48,.22);
  --radius:16px;
  --font:"Segoe UI","Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,blockquote{margin:0}
:focus-visible{outline:3px solid var(--brand-light);outline-offset:3px;border-radius:4px}
.container{width:min(1200px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--navy-900);padding:12px 18px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ============ Shared type ============ */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);border-radius:2px}
.eyebrow.on-dark{color:var(--brand-light)}
.eyebrow.on-dark::before{background:var(--brand-light)}
.section{padding:104px 0}
.section.bg-soft{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px}
.section-head .head-text{max-width:720px}
.section-head h2,.cta h2,.why-copy h2{font-size:clamp(2rem,3.4vw,3.05rem);line-height:1.13;letter-spacing:-.04em;font-weight:800;margin-top:16px}
.lead{font-size:16.5px;line-height:1.8;color:var(--muted);max-width:640px;margin-top:18px}
.text-link{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;padding-bottom:4px;border-bottom:1px solid rgba(43,98,176,.3);transition:gap .2s,border-color .2s}
.text-link:hover{gap:14px;border-color:var(--brand)}
.text-link svg{width:16px;height:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:9px;font-size:14px;font-weight:700;letter-spacing:.01em;cursor:pointer;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(43,98,176,.22)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 12px 28px rgba(43,98,176,.3);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy-900)}
.btn-light:hover{background:var(--ice);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn-navy{background:var(--navy-900);color:#fff}
.btn-navy:hover{background:var(--navy-700);transform:translateY(-2px)}

/* ============ Top bar + nav ============ */
.topbar{background:var(--navy-950);color:#A9C1DD;font-size:12px;height:38px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.topbar-left{display:flex;align-items:center;gap:10px;letter-spacing:.02em}
.topbar-right{display:flex;align-items:center;gap:26px}
.topbar a{display:inline-flex;align-items:center;gap:8px;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar svg{width:14px;height:14px;color:var(--brand-light)}
.topbar .sep{width:1px;height:14px;background:rgba(255,255,255,.18)}
.nav{position:sticky;top:0;z-index:60;height:78px;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .25s,height .25s}
.nav.scrolled{box-shadow:0 8px 26px rgba(10,35,68,.09);height:70px}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-snow{width:30px;height:30px;color:var(--brand)}
.brand-word{font-size:26px;font-weight:800;letter-spacing:.055em;line-height:1;color:var(--navy-900)}
.brand-word span{color:var(--brand)}
.brand-sub{font-size:8.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border-left:1px solid var(--line);padding-left:12px;line-height:1.45}
.nav-links{display:flex;align-items:center;gap:30px;height:100%}
.nav-item{position:relative;height:100%;display:flex;align-items:center}
.nav-links>li>a,.nav-links .nav-item>a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#2A4059;padding:10px 0;position:relative;transition:color .2s}
.nav-links>li>a::after,.nav-item>a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-links>li>a:hover,.nav-item>a:hover,.nav-links>li>a.active{color:var(--brand)}
.nav-links>li>a:hover::after,.nav-item>a:hover::after,.nav-links>li>a.active::after{transform:scaleX(1)}
.nav-links>li>a svg{width:14px;height:14px;transition:transform .2s}
.dropdown{position:absolute;top:calc(100% - 4px);left:-22px;width:280px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:8px;font-size:13.5px;font-weight:600;color:#334A64;transition:background .18s,color .18s}
.dropdown a:hover{background:var(--bg-soft-2);color:var(--brand)}
.dropdown a svg{width:14px;height:14px;opacity:.5}
.nav-actions{display:flex;align-items:center;gap:14px}
.lang{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.08em;border-right:1px solid var(--line);padding-right:14px}
.nav .btn{padding:11px 20px;font-size:13px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:9px;align-items:center;justify-content:center;cursor:pointer;color:var(--navy-900)}
.menu-toggle svg{width:21px;height:21px}
.mobile-panel{display:none}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(118deg,#061A34 0%,#0C2C56 48%,#1A5799 100%);color:#fff;padding:96px 0 116px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 75% 70% at 72% 45%,#000 10%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 75% 70% at 72% 45%,#000 10%,transparent 78%)}
.hero::after{content:"";position:absolute;width:760px;height:760px;right:-180px;top:-300px;border-radius:50%;background:radial-gradient(circle,rgba(90,170,245,.28),transparent 66%);pointer-events:none}
.hero-glow{position:absolute;width:520px;height:520px;left:-220px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,rgba(43,98,176,.32),transparent 65%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
.hero h1{font-size:clamp(2.55rem,4.7vw,4.25rem);font-weight:800;line-height:1.07;letter-spacing:-.048em;margin-top:22px}
.hero h1 .accent{color:#8FC3F5}
.hero-sub{font-size:17.5px;line-height:1.82;color:#C4D8EE;max-width:540px;margin-top:24px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid rgba(255,255,255,.16);margin-top:60px;padding-top:26px}
.hero-stat b{display:block;font-size:27px;font-weight:800;letter-spacing:-.035em;line-height:1.2}
.hero-stat b .unit{font-size:17px;font-weight:700;margin-left:2px}
.hero-stat > span{display:block;font-size:11.5px;color:#A8C3DF;letter-spacing:.02em;margin-top:6px;line-height:1.45}
.hero-visual{position:relative;padding:10px 10px 34px 34px}
.hero-card{position:relative;background:#fff;padding:12px;border-radius:20px;box-shadow:var(--shadow-lg)}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:12px;background:var(--bg-soft-2)}
.hero-card .corner{position:absolute;top:26px;right:26px;background:rgba(10,35,68,.82);backdrop-filter:blur(8px);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:9px 13px;border-radius:7px}
.hero-badge{position:absolute;left:0;bottom:0;background:#fff;border-radius:14px;box-shadow:0 18px 40px rgba(3,17,38,.28);padding:16px 20px;display:flex;align-items:center;gap:14px;min-width:226px}
.hero-badge .badge-icon{width:42px;height:42px;border-radius:11px;background:var(--ice);color:var(--brand);display:grid;place-items:center;flex-shrink:0}
.hero-badge .badge-icon svg{width:22px;height:22px}
.hero-badge strong{display:block;font-size:13.5px;color:var(--navy-900);letter-spacing:-.01em}
.hero-badge small{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
.hero-ring{position:absolute;right:-56px;bottom:-56px;width:220px;height:220px;border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none}
.hero-ring::after{content:"";position:absolute;inset:34px;border:1px solid rgba(255,255,255,.1);border-radius:50%}

/* ============ Trust strip ============ */
.trust{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
.trust .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.trust-label{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.trust-items{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.trust-item{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:650;color:#334C68;white-space:nowrap}
.trust-item svg{width:19px;height:19px;color:var(--brand)}

/* ============ Products ============ */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}
.filter-btn{border:1px solid var(--line);background:#fff;color:#536A85;border-radius:999px;padding:9px 19px;font-size:13px;font-weight:650;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.filter-btn:hover{border-color:var(--brand);color:var(--brand)}
.filter-btn.active{background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#CFE0F1}
.product-card.is-hidden{display:none}
.product-media{height:212px;background:linear-gradient(180deg,#F9FBFE 0%,#EDF3FA 100%);position:relative;overflow:hidden}
.product-media img{position:absolute;inset:20px;width:calc(100% - 40px);height:calc(100% - 40px);object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}
.product-card:hover .product-media img{transform:scale(1.055)}
.product-media .idx{position:absolute;top:15px;left:18px;font-size:10.5px;font-weight:800;letter-spacing:.14em;color:#93A9C0}
.product-body{padding:23px 24px 20px;display:flex;flex-direction:column;flex:1}
.product-body h3{font-size:18.5px;font-weight:750;letter-spacing:-.02em;line-height:1.3}
.product-body p{font-size:13.6px;line-height:1.72;color:var(--muted);margin-top:11px;flex:1}
.product-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.product-meta span{font-size:11.5px;font-weight:700;letter-spacing:.02em;color:#7C90A8}
.product-meta .arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);flex-shrink:0;transition:background .2s,color .2s,border-color .2s}
.product-card:hover .product-meta .arrow{background:var(--brand);border-color:var(--brand);color:#fff}
.product-meta .arrow svg{width:14px;height:14px}

/* ============ Flagship (dark) ============ */
.flagship{position:relative;overflow:hidden;background:linear-gradient(165deg,#08213F 0%,#0D2E59 60%,#124374 100%);color:#fff;padding:100px 0}
.flagship::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(180deg,transparent,#000 40%,transparent)}
.flagship .container{position:relative;z-index:2}
.flagship .section-head h2{color:#fff}
.flagship .lead{color:#B5CCE5}
.flagship .text-link{color:var(--brand-light);border-color:rgba(127,184,240,.4)}
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.model-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:28px;backdrop-filter:blur(6px);transition:background .25s,border-color .25s,transform .25s}
.model-card:hover{background:rgba(255,255,255,.09);border-color:rgba(127,184,240,.5);transform:translateY(-5px)}
.model-id{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-light)}
.model-card h3{font-size:21px;font-weight:750;letter-spacing:-.025em;line-height:1.3;margin-top:14px}
.model-card p{font-size:13.5px;line-height:1.75;color:#B7CCE4;margin-top:12px;min-height:72px}
.spec-list{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:grid;gap:11px}
.spec{display:flex;justify-content:space-between;gap:14px;font-size:12.5px;color:#AEC5E0}
.spec b{color:#fff;font-weight:650;text-align:right}
.flagship-note{margin-top:28px;font-size:12.5px;color:#8FAAC7;display:flex;align-items:center;gap:9px}
.flagship-note svg{width:15px;height:15px;color:var(--brand-light);flex-shrink:0}

/* ============ Why / About ============ */
.why-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:76px;align-items:center}
.why-visual{position:relative;padding:0 26px 26px 0}
.why-visual .main-img{width:100%;height:520px;object-fit:cover;object-position:center 48%;border-radius:18px;box-shadow:var(--shadow-md)}
.why-float{position:absolute;right:0;bottom:0;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:12px;width:216px}
.why-float img{width:100%;height:118px;object-fit:cover;border-radius:8px}
.why-float p{font-size:11.5px;color:var(--muted);font-weight:650;margin-top:10px;display:flex;align-items:center;gap:7px}
.why-float p svg{width:14px;height:14px;color:var(--brand);flex-shrink:0}
.why-list{display:grid;gap:0;margin-top:32px}
.why-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.why-item:last-child{border-bottom:0}
.why-num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.06em;padding-top:3px;min-width:30px}
.why-item h3{font-size:17px;font-weight:750;letter-spacing:-.02em}
.why-item p{font-size:14px;line-height:1.72;color:var(--muted);margin-top:7px}
.stats-band{margin-top:72px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(4,1fr);padding:34px 16px}
.stat-cell{text-align:center;border-right:1px solid var(--line);padding:0 12px}
.stat-cell:last-child{border-right:0}
.stat-cell b{display:block;font-size:36px;font-weight:800;color:var(--navy-900);letter-spacing:-.045em;line-height:1.15}
.stat-cell b .unit{font-size:21px;color:var(--brand);margin-left:2px}
.stat-cell > span{display:block;font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.45}

/* ============ Cases ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{position:relative;height:392px;border-radius:18px;overflow:hidden;background:var(--navy-900);display:block}
.case-card>img{width:100%;height:100%;object-fit:cover;transition:transform .55s}
.case-card:hover>img{transform:scale(1.055)}
.case-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,24,48,.05) 20%,rgba(6,24,48,.5) 55%,rgba(6,24,48,.92) 100%)}
.case-content{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:34px;color:#fff}
.case-tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#D8EAFB;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:7px 12px;border-radius:6px;backdrop-filter:blur(6px)}
.case-content h3{font-size:23px;font-weight:750;letter-spacing:-.025em;line-height:1.3;margin-top:16px}
.case-content p{font-size:13.5px;line-height:1.7;color:#CFE0F0;margin-top:10px;max-width:460px}
.case-more{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:#fff;margin-top:18px}
.case-more svg{width:15px;height:15px;transition:transform .2s}
.case-card:hover .case-more svg{transform:translateX(5px)}

/* ============ Voices ============ */
/* Demo testimonials below are placeholder copy. Replace with approved, verified client quotes before publishing. */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.voice-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.stars{display:flex;gap:3px;color:#D9A441}
.stars svg{width:16px;height:16px}
.voice-card blockquote{font-size:15px;line-height:1.8;color:#2E4560;margin:18px 0 26px;flex:1}
.voice-author{display:flex;align-items:center;gap:13px;border-top:1px solid var(--line);padding-top:20px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--ice);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.02em;flex-shrink:0}
.voice-author strong{display:block;font-size:13.5px;font-weight:750;color:var(--text)}
.voice-author span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.voice-note{font-size:12px;color:#8A9CB2;margin-top:22px;display:flex;align-items:center;gap:8px}
.voice-note svg{width:15px;height:15px;flex-shrink:0}

/* ============ News ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.news-top{padding:26px 26px 0;display:flex;align-items:center;gap:12px}
.news-date{background:var(--ice);color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.06em;padding:7px 11px;border-radius:6px}
.news-tag{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#8B9DB3}
.news-card h3{font-size:17.5px;font-weight:750;line-height:1.42;letter-spacing:-.02em;padding:20px 26px 0}
.news-card p{font-size:13.5px;line-height:1.72;color:var(--muted);padding:12px 26px 0;flex:1}
.news-more{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand);padding:22px 26px 26px}
.news-more svg{width:15px;height:15px;transition:transform .2s}
.news-card:hover .news-more svg{transform:translateX(4px)}
.news-rule{height:3px;background:linear-gradient(90deg,var(--brand),#9FCBF2);width:0;transition:width .35s}
.news-card:hover .news-rule{width:100%}

/* ============ CTA ============ */
.cta{position:relative;overflow:hidden;background:linear-gradient(112deg,#0A2A55 0%,#154E8C 100%);color:#fff;padding:84px 0}
.cta::after{content:"";position:absolute;right:-120px;top:-220px;width:620px;height:620px;border:1px solid rgba(255,255,255,.11);border-radius:50%;box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 150px rgba(255,255,255,.02)}
.cta .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta h2{color:#fff;margin-top:14px;max-width:660px}
.cta p{font-size:15.5px;color:#C3D9F0;margin-top:16px;max-width:590px;line-height:1.75}
.cta-actions{display:flex;gap:13px;flex-wrap:wrap}
.cta .eyebrow{color:#9CC9F2}
.cta .eyebrow::before{background:#9CC9F2}

/* ============ Footer ============ */
.footer{background:var(--navy-950);color:#9EB5CE;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.25fr;gap:48px}
.footer .brand-word{color:#fff}
.footer .brand-word span{color:var(--brand-light)}
.footer .brand-snow{color:var(--brand-light)}
.footer .brand-sub{color:#7E96B2;border-color:rgba(255,255,255,.16)}
.footer-about{font-size:13.5px;line-height:1.8;color:#91AAC5;margin-top:22px;max-width:330px}
.footer h4{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.footer li+li{margin-top:13px}
.footer li a{font-size:13.5px;color:#9EB5CE;transition:color .2s,padding-left .2s}
.footer li a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;font-size:13.5px;line-height:1.65}
.footer-contact svg{width:16px;height:16px;color:var(--brand-light);flex-shrink:0;margin-top:3px}
.footer-contact a:hover{color:#fff}
.footer-bottom{margin-top:64px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12.5px;color:#7E96B2;flex-wrap:wrap}
.footer-bottom a:hover{color:#fff}
.footer-bottom .socials{display:flex;gap:16px;align-items:center}
.to-top{position:fixed;right:24px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:11px;background:var(--navy-900);color:#fff;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s,background .2s}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand)}
.to-top svg{width:19px;height:19px}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ============ Responsive ============ */
@media (max-width:1100px){
  .nav-links{gap:20px}
  .brand-sub{display:none}
  .hero-grid{gap:42px}
  .why-grid{gap:44px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-contact-col{grid-column:1/-1}
  .footer-contact-col ul{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
}
@media (max-width:900px){
  .section{padding:76px 0}
  .topbar{display:none}
  .nav-links,.nav-actions{display:none}
  .menu-toggle{display:flex}
  .mobile-panel{display:block;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:12px 24px 22px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding-top:0;padding-bottom:0}
  .mobile-panel.open{max-height:620px;padding-top:12px;padding-bottom:22px}
  .mobile-panel a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:650;color:#2A4059}
  .mobile-panel .m-sub a{padding-left:18px;font-size:13.5px;color:var(--muted);border-bottom:0;padding-top:8px;padding-bottom:8px}
  .mobile-panel .m-btn{margin-top:16px;display:flex}
  .hero{padding:72px 0 88px}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-visual{max-width:560px;margin-inline:auto;width:100%}
  .hero-stats{margin-top:44px}
  .product-grid,.voice-grid,.news-grid,.model-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr;gap:56px}
  .why-visual{max-width:600px}
  .why-visual .main-img{height:420px}
  .section-head{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{width:min(100% - 32px,1200px)}
  .section{padding:64px 0}
  .section-head h2,.cta h2,.why-copy h2{font-size:1.95rem}
  .hero h1{font-size:2.35rem}
  .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:24px}
  .hero-stat b{font-size:24px}
  .hero-visual{padding:6px 6px 30px 22px}
  .hero-badge{min-width:0;padding:12px 14px;left:-6px}
  .hero-badge .badge-icon{width:36px;height:36px}
  .trust-items{gap:16px}
  .trust-item{font-size:12.5px}
  .product-grid,.voice-grid,.news-grid,.model-grid,.case-grid,.stats-band{grid-template-columns:1fr}
  .case-grid{gap:16px}
  .case-card{height:330px}
  .stats-band{gap:0;padding:10px 16px}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .stat-cell:last-child{border-bottom:0}
  .model-card p{min-height:0}
  .why-visual .main-img{height:320px}
  .why-float{width:170px}
  .why-float img{height:92px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-contact-col ul{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{padding:13px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   Subpages: categories.html / product-detail.html
   ============================================================ */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(118deg,#061A34 0%,#0C2C56 50%,#154E8C 100%);color:#fff;padding:70px 0 78px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 90% at 78% 40%,#000 5%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 70% 90% at 78% 40%,#000 5%,transparent 80%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:#A9C3DF;margin-bottom:24px}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:#6E8EB4}
.breadcrumb .current{color:#fff;font-weight:650}
.page-hero h1{font-size:clamp(2.1rem,3.7vw,3.3rem);font-weight:800;line-height:1.12;letter-spacing:-.043em;margin-top:16px;max-width:860px}
.page-hero p{font-size:16px;line-height:1.8;color:#C4D8EE;max-width:690px;margin-top:20px}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.hero-pills span{font-size:12px;font-weight:700;letter-spacing:.02em;color:#DCEAF8;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:8px 14px;border-radius:999px}

/* ============ Categories page ============ */
.cat-jump{position:sticky;top:70px;z-index:45;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.cat-jump-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:13px 0;scrollbar-width:none}
.cat-jump-inner::-webkit-scrollbar{display:none}
.cat-jump-label{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap;margin-right:8px}
.cat-jump a{flex:0 0 auto;font-size:13px;font-weight:650;color:#415C79;border:1px solid var(--line);background:#fff;padding:9px 16px;border-radius:999px;transition:background .2s,color .2s,border-color .2s}
.cat-jump a:hover{border-color:var(--brand);color:var(--brand)}
.cat-jump a.active{background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.cat-section{padding:78px 0;border-bottom:1px solid var(--line);scroll-margin-top:44px}
.cat-section.alt{background:var(--bg-soft)}
.cat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;flex-wrap:wrap;margin-bottom:34px}
.cat-head-main{max-width:760px}
.cat-num{font-size:11.5px;font-weight:800;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}
.cat-head h2{font-size:clamp(1.75rem,2.7vw,2.4rem);font-weight:800;letter-spacing:-.038em;line-height:1.18;margin-top:12px}
.cat-head p{font-size:15px;line-height:1.8;color:var(--muted);margin-top:14px;max-width:720px}
.cat-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.cat-tags span{font-size:11.5px;font-weight:700;letter-spacing:.02em;color:#3E5C7E;background:var(--ice);border:1px solid #D9E9F8;padding:6px 11px;border-radius:6px}
.cat-count{font-size:12.5px;font-weight:700;color:var(--muted);white-space:nowrap;text-align:right}
.cat-count b{font-size:24px;color:var(--navy-900);font-weight:800;display:block;line-height:1.2;letter-spacing:-.04em}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-product{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.cat-product:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#CFE0F1}
.cp-media{height:196px;background:linear-gradient(180deg,#F9FBFE 0%,#EDF3FA 100%);position:relative;overflow:hidden}
.cp-media img{position:absolute;inset:18px;width:calc(100% - 36px);height:calc(100% - 36px);object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}
.cat-product:hover .cp-media img{transform:scale(1.055)}
.cp-media .cp-idx{position:absolute;top:14px;left:16px;font-size:10px;font-weight:800;letter-spacing:.13em;color:#93A9C0}
.cp-body{padding:22px 22px 18px;display:flex;flex-direction:column;flex:1}
.cp-body h3{font-size:17px;font-weight:750;letter-spacing:-.02em;line-height:1.32}
.cp-body p{font-size:13.2px;line-height:1.7;color:var(--muted);margin-top:10px;flex:1}
.cp-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:15px;border-top:1px solid var(--line)}
.cp-meta span{font-size:11px;font-weight:700;color:#7C90A8}
.cp-meta .arrow{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);flex-shrink:0;transition:background .2s,color .2s,border-color .2s}
.cp-meta .arrow svg{width:13px;height:13px}
.cat-product:hover .cp-meta .arrow{background:var(--brand);border-color:var(--brand);color:#fff}
.cat-next{display:flex;justify-content:flex-end;margin-top:30px}
.cat-next a{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:var(--brand);border-bottom:1px solid rgba(43,98,176,.3);padding-bottom:5px;transition:gap .2s}
.cat-next a:hover{gap:15px}
.cat-next svg{width:15px;height:15px}
.cat-note{font-size:12.5px;color:#8A9CB2;display:flex;align-items:center;gap:9px;padding:26px 0 0}
.cat-note svg{width:15px;height:15px;color:var(--brand);flex-shrink:0}

/* ============ Product detail page ============ */
.model-link{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand-light);margin-top:20px}
.model-link svg{width:15px;height:15px;transition:transform .2s}
.model-link:hover{color:#fff}
.model-link:hover svg{transform:translateX(4px)}
.detail-hero{padding:60px 0 84px}
.detail-grid{display:grid;grid-template-columns:1fr 1.02fr;gap:64px;align-items:start}
.gallery-main{height:420px;background:linear-gradient(180deg,#F9FBFE 0%,#EDF3FA 100%);border:1px solid var(--line);border-radius:18px;padding:26px;display:grid;place-items:center;position:relative;overflow:hidden}
.gallery-main img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.gallery-main img.photo{mix-blend-mode:normal;border-radius:10px}
.gallery-badge{position:absolute;top:18px;left:18px;background:rgba(10,35,68,.82);color:#fff;font-size:10.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:8px 12px;border-radius:6px;z-index:2}
.gallery-thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.gallery-thumbs button{width:86px;height:76px;border:1px solid var(--line);background:#F9FBFE;border-radius:10px;padding:8px;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.gallery-thumbs button.active{border-color:var(--brand);box-shadow:0 0 0 2px rgba(43,98,176,.16)}
.gallery-thumbs img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.detail-head h1{font-size:clamp(2rem,3.2vw,2.85rem);font-weight:800;line-height:1.13;letter-spacing:-.042em;margin-top:16px}
.detail-head .d-series{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em;margin-top:18px}
.detail-head .d-summary{font-size:15.5px;line-height:1.82;color:var(--body);margin-top:18px;max-width:560px}
.detail-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.detail-facts span{display:block;font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#8A9CB2}
.detail-facts b{display:block;font-size:16px;font-weight:800;color:var(--navy-900);margin-top:7px;line-height:1.3}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.detail-assure{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;font-size:12.5px;color:var(--muted)}
.detail-assure span{display:inline-flex;align-items:center;gap:7px}
.detail-assure svg{width:15px;height:15px;color:var(--brand)}
.detail-section{padding:78px 0}
.detail-cols{display:grid;grid-template-columns:1.18fr .82fr;gap:56px;align-items:start}
.spec-table{border:1px solid var(--line);border-radius:var(--radius);padding:10px 26px;background:#fff}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:13.8px}
.spec-row:last-child{border-bottom:0}
.spec-row span{color:var(--muted)}
.spec-row b{font-weight:700;color:var(--text);text-align:right}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.feature-card .fc-icon{width:36px;height:36px;border-radius:9px;background:var(--ice);color:var(--brand);display:grid;place-items:center}
.feature-card .fc-icon svg{width:19px;height:19px}
.feature-card h3{font-size:14.5px;font-weight:750;margin-top:14px}
.feature-card p{font-size:12.8px;line-height:1.7;color:var(--muted);margin-top:7px}
.app-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.app-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:650;color:#34527A;background:var(--bg-soft);border:1px solid var(--line);padding:10px 15px;border-radius:9px}
.app-chip svg{width:15px;height:15px;color:var(--brand)}
.detail-note{font-size:12.5px;color:#8A9CB2;margin-top:24px;display:flex;align-items:center;gap:9px}
.detail-note svg{width:15px;height:15px;color:var(--brand);flex-shrink:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

@media (max-width:900px){
  .page-hero{padding:56px 0 62px}
  .cat-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr;gap:40px}
  .gallery-main{height:340px}
  .detail-cols{grid-template-columns:1fr;gap:40px}
  .cat-section{padding:60px 0;scroll-margin-top:40px}
}
@media (max-width:640px){
  .page-hero h1{font-size:1.95rem}
  .cat-grid,.related-grid,.feature-grid{grid-template-columns:1fr}
  .detail-facts{grid-template-columns:1fr 1fr}
  .gallery-main{height:280px}
  .cat-head{gap:18px}
  .cat-count{text-align:left}
  .cat-section{scroll-margin-top:32px}
  .cat-jump-label{display:none}
}