:root{--ink:#101828;--ink2:#1d2939;--cyan:#00aeef;--magenta:#ec008c;--yellow:#ffd400;--bg:#f4f6f9;--text:#1f2937;--muted:#667085;--line:#e4e7ec;--radius:12px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);line-height:1.65;background:#fff}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* top bar */
.topbar{background:var(--ink);color:#cbd5e1;font-size:13px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.topbar a:hover{color:#fff}

/* header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{width:46px;height:46px}
.logo b{display:block;font-size:18px;color:var(--ink);letter-spacing:.3px;line-height:1.1}
.logo small{display:block;font-size:11px;color:var(--muted);letter-spacing:1.4px;text-transform:uppercase}
nav ul{list-style:none;display:flex;align-items:center;gap:6px}
nav li{position:relative}
nav a.nl{display:block;padding:10px 14px;font-weight:600;font-size:15px;border-radius:8px}
nav a.nl:hover,nav a.nl.on{color:var(--cyan)}
.sub{display:none;position:absolute;top:100%;left:0;min-width:290px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 40px rgba(16,24,40,.14);padding:8px;list-style:none}
nav li:hover>.sub{display:block}
.sub a{display:block;padding:9px 12px;border-radius:6px;font-size:14px;font-weight:500}
.sub a:hover{background:var(--bg);color:var(--cyan)}
.menu-btn{display:none;background:none;border:0;font-size:28px;cursor:pointer}

/* buttons */
.btn{display:inline-block;background:linear-gradient(90deg,var(--cyan),#0b84d8);color:#fff;padding:13px 28px;border-radius:8px;font-weight:700;border:0;cursor:pointer;font-size:15px;transition:.2s}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-line{background:transparent;border:2px solid #fff}
.btn-dark{background:var(--ink)}

/* hero */
.hero{position:relative;color:#fff;background:var(--ink);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
radial-gradient(circle at 85% 20%,rgba(0,174,239,.35),transparent 45%),
radial-gradient(circle at 70% 85%,rgba(236,0,140,.28),transparent 40%),
radial-gradient(circle at 95% 70%,rgba(255,212,0,.18),transparent 35%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;padding-top:80px;padding-bottom:80px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--yellow);margin-bottom:12px}
.hero h1{font-size:46px;line-height:1.12;margin-bottom:18px}
.hero h1 span{background:linear-gradient(90deg,var(--cyan),var(--magenta),var(--yellow));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:#cbd5e1;margin-bottom:28px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{aspect-ratio:4/3}
.cmyk-bar{height:6px;background:linear-gradient(90deg,var(--cyan) 0 25%,var(--magenta) 25% 50%,var(--yellow) 50% 75%,#fff 75%)}

/* image placeholders */
.ph{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:#667085;font-weight:700;letter-spacing:1px;font-size:13px;background:
repeating-linear-gradient(45deg,#eef2f7 0 12px,#e6ebf2 12px 24px);border:1px dashed #c4ccd8;border-radius:var(--radius);overflow:hidden}
.ph svg{width:84px;height:auto;opacity:.55}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ph.dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.25);color:#cbd5e1}
.ratio-43{aspect-ratio:4/3}
.ratio-169{aspect-ratio:16/9}
.ratio-11{aspect-ratio:1/1}

/* sections */
.section{padding:72px 0}
.section.alt{background:var(--bg)}
.section.dark{background:var(--ink);color:#fff}
.title{text-align:center;max-width:720px;margin:0 auto 38px}
.title h2{font-size:34px;color:var(--ink);line-height:1.2}
.dark .title h2{color:#fff}
.title p{color:var(--muted);margin-top:10px}
.title:after{content:"";display:block;width:90px;height:4px;margin:16px auto 0;border-radius:4px;background:linear-gradient(90deg,var(--cyan) 0 33%,var(--magenta) 33% 66%,var(--yellow) 66%)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:.25s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 14px 40px rgba(16,24,40,.12);transform:translateY(-4px)}
.card h3{font-size:18px;color:var(--ink);margin:14px 0 6px}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:14px;flex:1}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;background:#e0f4fd;color:#0b6fa4}
.card ul{list-style:none;font-size:14px;color:var(--muted);margin-bottom:14px}
.card li{padding:2px 0}
.card li::before{content:"▸ ";color:var(--magenta)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-size:38px;color:var(--cyan)}
.stats span{color:#cbd5e1;font-size:14px}

.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feat i{font-style:normal;font-size:26px}
.feat h3{margin:8px 0 6px;color:var(--ink);font-size:18px}
.feat p{color:var(--muted);font-size:14.5px}

.appcard{position:relative;border-radius:var(--radius);overflow:hidden}
.appcard .label{position:absolute;left:0;right:0;bottom:0;padding:12px 14px;color:#fff;font-weight:700;background:linear-gradient(transparent,rgba(16,24,40,.88))}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:20px;text-align:center}
.step b{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* page head */
.pagehead{background:var(--ink);color:#fff;padding:54px 0 40px;position:relative;overflow:hidden}
.pagehead::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 0,rgba(0,174,239,.3),transparent 50%)}
.pagehead .wrap{position:relative}
.pagehead h1{font-size:38px}
.crumbs{font-size:13px;color:#98a2b3;margin-bottom:8px}
.crumbs a:hover{color:#fff}

/* product detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.pd h2{font-size:30px;color:var(--ink);margin-bottom:10px}
.pd p{color:var(--muted);margin-bottom:14px}
.spec{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 22px}
.spec th,.spec td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
.spec th{width:38%;background:var(--bg);color:var(--ink)}
.ticks{list-style:none;margin:10px 0 20px}
.ticks li{padding:5px 0 5px 26px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--magenta);font-weight:800}
.note-demo{font-size:13px;background:#fff8db;border:1px solid #f5e08a;color:#7a6200;padding:10px 14px;border-radius:8px;margin:14px 0}

/* news */
.news{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.news time{flex:0 0 74px;background:var(--ink);color:#fff;border-radius:8px;text-align:center;padding:8px 0;font-size:12px;height:fit-content}
.news time b{display:block;font-size:22px}
.news h3{font-size:17px;color:var(--ink)}
.news p{color:var(--muted);font-size:14.5px}

details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-top:12px;background:#fff}
summary{cursor:pointer;font-weight:700;color:var(--ink)}
details p{margin-top:8px;color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:44px}
.contact h2{font-size:32px;color:var(--ink);margin-bottom:10px}
.info{list-style:none;margin-top:18px}
.info li{padding:10px 0;border-bottom:1px solid var(--line)}
.info b{display:block;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
form{display:grid;gap:12px}
form input,form textarea,form select{width:100%;padding:13px 14px;border:1px solid #d0d5dd;border-radius:8px;font:inherit;background:#fff}
form input:focus,form textarea:focus{outline:2px solid var(--cyan);border-color:transparent}
.fnote{font-size:14px;color:#b54708;min-height:20px}

.cta{background:linear-gradient(100deg,var(--ink),#16355a);color:#fff;text-align:center;padding:56px 20px}
.cta h2{font-size:30px;margin-bottom:8px}
.cta p{color:#cbd5e1;margin-bottom:22px}

/* footer */
.footer{background:#0b1220;color:#98a2b3;padding:54px 0 20px;font-size:14.5px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:30px}
.footer h4{color:#fff;margin-bottom:12px;font-size:15px}
.footer li{list-style:none;padding:3px 0}
.footer a:hover{color:#fff}
.footer .copy{border-top:1px solid #1d2939;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px}
.wa{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:#fff;font-weight:700;padding:12px 20px;border-radius:30px;box-shadow:0 8px 24px rgba(0,0,0,.3)}

@media(max-width:960px){
 .hero .wrap,.pd,.contact{grid-template-columns:1fr}
 .hero h1{font-size:34px}
 .g3,.g4,.stats{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .footer .cols{grid-template-columns:1fr 1fr}
 .menu-btn{display:block}
 nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 20px}
 nav.open{display:block}
 nav ul{flex-direction:column;align-items:stretch}
 .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 0 14px}
}
@media(max-width:600px){.g2,.g3,.g4,.stats,.steps,.footer .cols{grid-template-columns:1fr}.hero h1{font-size:30px}.title h2{font-size:27px}}