:root{--bg:#f4f7fb;--ink:#122438;--muted:#617187;--navy:#0b2436;--blue:#087eaa;--cyan:#39c6d8;--line:#dce5ee;--white:#fff;--green:#d9f7e9;--shadow:0 18px 55px rgba(11,36,54,.12)}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit} .wrap{width:min(1160px,calc(100% - 40px));margin:auto}
header{background:var(--navy);color:#fff;position:relative;overflow:hidden}
header:before{content:"";position:absolute;width:650px;height:650px;border-radius:50%;background:radial-gradient(circle,rgba(57,198,216,.22),transparent 68%);right:-160px;top:-320px}
nav{height:76px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
.brand{font-weight:800;letter-spacing:-.03em;font-size:1.1rem;display:flex;align-items:center;gap:11px}
.brandmark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),#1685b5);display:grid;place-items:center;color:#062638;font-weight:900}
.navlinks{display:flex;gap:26px;font-size:.92rem;color:#d4e3ed} .navlinks a{text-decoration:none} .navlinks a:hover{color:#fff}
.navright{display:flex;align-items:center;gap:22px}
.langswitch{display:flex;align-items:center;border:1px solid rgba(255,255,255,.28);border-radius:999px;overflow:hidden;font-size:.78rem;font-weight:750;letter-spacing:.06em}
.langswitch a{display:inline-flex;align-items:center;justify-content:center;min-width:38px;padding:5px 9px;text-decoration:none;color:#d4e3ed}
.langswitch a:hover{background:rgba(255,255,255,.1);color:#fff}
.langswitch a[aria-current="true"]{background:#55d4df;color:#082b3b}
.langswitch a:focus-visible{outline:2px solid #8cebf1;outline-offset:2px;position:relative;z-index:1}
.hero{position:relative;z-index:1;padding:74px 0 92px;display:grid;grid-template-columns:1.03fr .97fr;gap:55px;align-items:center}
.eyebrow{display:inline-flex;gap:9px;align-items:center;color:#9debf1;font-size:.83rem;font-weight:750;letter-spacing:.08em;text-transform:uppercase}
.pulse{width:8px;height:8px;border-radius:50%;background:#54e2b1;box-shadow:0 0 0 5px rgba(84,226,177,.14)}
h1{font-size:clamp(2.5rem,5.3vw,4.55rem);line-height:1.04;letter-spacing:-.055em;margin:20px 0 22px;max-width:700px}
h1 span{color:#64d8e5} .hero p{font-size:1.15rem;color:#c5d6e3;max-width:610px;margin:0 0 30px}
.actions{display:flex;gap:13px;flex-wrap:wrap} .btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border-radius:11px;text-decoration:none;font-weight:750;transition:.2s;border:1px solid transparent}
.btn.primary{background:#55d4df;color:#082b3b;box-shadow:0 8px 24px rgba(57,198,216,.2)} .btn.primary:hover{transform:translateY(-2px);background:#7ce4eb}
.btn.ghost{border-color:#496578;color:#fff} .btn.ghost:hover{background:#173b51}
.micro{margin-top:19px;color:#a8bdcc;font-size:.88rem}
.device-stage{position:relative;min-height:390px;display:grid;place-items:center}
.glow{position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(57,198,216,.26),rgba(8,126,170,.08) 52%,transparent 70%)}
.board{position:relative;width:min(100%,440px);padding:25px;border:1px solid rgba(255,255,255,.2);border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.055));backdrop-filter:blur(12px);box-shadow:0 30px 80px rgba(0,0,0,.28);transform:rotate(-2deg)}
.boardtop{display:flex;justify-content:space-between;align-items:center;color:#d5e9f0;font-size:.82rem;margin-bottom:22px}
.statusdot{color:#73efb8;font-weight:700} .chip{font-size:.75rem;padding:5px 9px;border-radius:30px;background:rgba(91,219,194,.15);color:#91f0d0}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.mini{background:rgba(4,24,37,.56);border:1px solid rgba(255,255,255,.08);padding:13px;border-radius:12px;color:#d9e8ef}
.mini small{display:block;color:#8eabba;font-size:.72rem} .mini strong{font-size:1.2rem;display:block;margin-top:3px}
.device-list{margin-top:13px;background:rgba(4,24,37,.56);border:1px solid rgba(255,255,255,.08);padding:13px;border-radius:12px;color:#d9e8ef}
.listline{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(255,255,255,.08);padding:8px 0;font-size:.82rem} .listline:last-child{border:0}
.ok{color:#73efb8} .update{color:#ffd27a}
.floating{position:absolute;right:-10px;bottom:24px;background:#fff;color:var(--ink);padding:13px 16px;border-radius:13px;box-shadow:var(--shadow);font-size:.85rem;font-weight:700}
.floating span{color:#0b9b6d}
.strip{background:#fff;border-bottom:1px solid var(--line)} .stripinner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:22px 0}
.stripitem{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.9rem} .stripitem b{display:block;color:var(--ink);font-size:.98rem}
.ic{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#e5f6f8;color:#087eaa;display:grid;place-items:center;font-weight:900}
section{padding:84px 0} .sectionhead{max-width:720px;margin-bottom:38px} .kicker{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#0784a7} h2{font-size:clamp(2rem,3.4vw,3rem);line-height:1.12;letter-spacing:-.04em;margin:10px 0 14px} .lead{font-size:1.08rem;color:var(--muted);margin:0}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 5px 20px rgba(11,36,54,.035)}
.feature .ic{margin-bottom:18px;width:46px;height:46px} .feature h3{margin:0 0 7px;font-size:1.1rem} .feature p{margin:0;color:var(--muted);font-size:.95rem}
.how{background:#eaf1f6} .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{background:#fff;border-radius:18px;padding:26px;border:1px solid #dce7ef;position:relative}
.stepnum{width:38px;height:38px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:19px}
.step h3{margin:0 0 7px} .step p{margin:0;color:var(--muted);font-size:.95rem}
.screens{display:grid;gap:26px} .shot{background:#fff;padding:10px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden} .shot img{width:100%;height:auto;display:block;border-radius:10px} .shotcap{padding:15px 12px 8px;color:var(--muted);font-size:.9rem}
.shotcap b{color:var(--ink)}
.hardware-section{background:linear-gradient(145deg,#e7f3f6,#f4f7fb 72%)}
.hardware-layout{display:grid;grid-template-columns:1fr .9fr;gap:clamp(35px,7vw,86px);align-items:center}
.hardware-copy{max-width:530px}
.hardware-copy p{color:var(--muted);font-size:1.05rem}
.hardware-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hardware-points span{padding:8px 13px;border:1px solid #d5e4eb;border-radius:999px;background:rgba(255,255,255,.75);color:#345267;font-size:.88rem;font-weight:700}
.hardware-visual{position:relative;isolation:isolate;width:min(100%,520px);aspect-ratio:1;justify-self:center;margin:0}
.hardware-visual:before{content:"";position:absolute;z-index:-1;inset:2% -2%;background:radial-gradient(ellipse at 58% 45%,rgba(255,255,255,.9),rgba(57,198,216,.18) 48%,transparent 74%);filter:blur(18px)}
.hardware-board{position:absolute;z-index:1;top:4%;left:50%;width:58%;height:auto;transform:translateX(-50%) rotate(30deg);transform-origin:center;filter:drop-shadow(0 20px 20px rgba(11,36,54,.2))}
.hardware-scene{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.comparison{background:var(--navy);color:#fff} .comparison .lead{color:#b7cad7}
.comparegrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}
.compare{border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:25px;background:rgba(255,255,255,.045)} .compare.highlight{background:linear-gradient(145deg,rgba(57,198,216,.18),rgba(255,255,255,.06));border-color:rgba(100,216,229,.5)}
.compare h3{margin:0 0 14px} .compare ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;color:#cfdae2} .compare li:before{content:"✓";color:#69e1ce;font-weight:900;margin-right:10px}
.callout{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.callout h2{font-size:2rem;margin:0 0 8px} .callout p{margin:0;color:var(--muted)}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px} details{border-bottom:1px solid var(--line);padding:17px 0} summary{font-weight:750;cursor:pointer} details p{color:var(--muted);margin:10px 0 0}
footer{background:#071a28;color:#a9bfcc;padding:35px 0;font-size:.88rem} .footrow{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap} footer b{color:#fff}
.note{font-size:.83rem;color:var(--muted);margin-top:20px}
.langhint{position:fixed;z-index:50;right:20px;bottom:20px;max-width:360px;display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;background:var(--navy);color:#eaf3f8;font-size:.9rem;border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 55px rgba(11,36,54,.35)}
.langhint[hidden]{display:none}
.langhint p{margin:0;flex:1 1 auto}
.langhint a{color:#7ce4eb;font-weight:700;white-space:nowrap}
.langhint button{padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:transparent;color:#eaf3f8;font:inherit;font-weight:700;cursor:pointer}
.langhint button:hover{background:rgba(255,255,255,.1)}
.langhint a:focus-visible,.langhint button:focus-visible{outline:2px solid #8cebf1;outline-offset:2px}
@media(max-width:850px){.hero{grid-template-columns:1fr;padding:58px 0 70px;gap:25px}.device-stage{min-height:330px}.stripinner{grid-template-columns:repeat(2,1fr)}.features{grid-template-columns:repeat(2,1fr)}.hardware-layout{grid-template-columns:1fr;gap:30px}.faq{grid-template-columns:1fr;gap:20px}}
@media(max-width:600px){.wrap{width:min(100% - 28px,1160px)}nav{height:65px}.navlinks{display:none}.hero{padding:48px 0 55px}h1{font-size:2.75rem}.device-stage{min-height:310px}.board{padding:17px}.floating{right:0;bottom:5px}.stripinner{gap:14px}.stripitem{font-size:.8rem;align-items:flex-start}.stripitem b{font-size:.88rem}section{padding:62px 0}.features,.steps,.comparegrid{grid-template-columns:1fr}.hardware-visual{width:min(100%,420px)}.callout{align-items:flex-start;flex-direction:column;padding:24px}.callout h2{font-size:1.65rem}}
@media(max-width:600px){.navright{gap:12px}.langhint{left:14px;right:14px;bottom:14px;max-width:none;flex-wrap:wrap}.langhint p{flex:1 1 100%}.langhint button{margin-left:auto}}