:root{color-scheme:dark;--bg:#07090d;--panel:#0d1118;--panel2:#111722;--line:#222b3a;--text:#f4f7fb;--muted:#8994a5;--accent:#75a7ff;--accent2:#9fc2ff;--ok:#69db9b;--warn:#f4c96b;--danger:#ff7d88}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 70% 0,#14223b 0,transparent 34rem),var(--bg);color:var(--text);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
.nav{height:72px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;gap:32px;border-bottom:1px solid rgba(255,255,255,.07);position:sticky;top:0;background:rgba(7,9,13,.82);backdrop-filter:blur(18px);z-index:10}
.brand{font-weight:900;letter-spacing:.16em;font-size:17px}
.brand span{color:var(--accent)}
nav{display:flex;gap:25px;color:var(--muted);margin-right:auto}
nav a:hover,nav a:focus-visible,.text-link:hover{color:var(--text)}
button,.button{font:inherit}
.button{border:1px solid transparent;border-radius:8px;padding:10px 17px;font-weight:750;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;transition:.18s ease}
.button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.button:disabled{opacity:.45;cursor:not-allowed}
.primary{background:var(--accent);color:#06101f}
.primary:hover:not(:disabled){background:var(--accent2);transform:translateY(-1px)}
.secondary{background:transparent;border-color:var(--line);color:var(--text)}
.secondary:hover:not(:disabled){background:var(--panel2);border-color:#3b485d}
.wide{width:100%}
.hero,.section{width:min(1120px,calc(100% - 48px));margin:0 auto}
.hero{padding:110px 0 80px}
.eyebrow{font:750 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.2em;color:var(--accent);margin-bottom:16px}
.hero h1{font-size:clamp(54px,8vw,96px);line-height:.92;letter-spacing:-.065em;margin:0;max-width:800px}
.hero h1 span{color:var(--muted)}
.hero>p{max-width:610px;color:#a9b2c0;font-size:19px;margin:26px 0}
.hero-actions{display:flex;align-items:center;gap:24px}
.text-link{color:var(--muted);font-weight:650}
.terminal{margin-top:72px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:rgba(13,17,24,.85);box-shadow:0 30px 90px rgba(0,0,0,.35)}
.terminal-bar{height:46px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 15px;color:#667287;font:11px ui-monospace,monospace}
.terminal-bar i{width:8px;height:8px;border-radius:50%;background:#313b49}
.terminal-bar span{margin-left:8px}
.terminal-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.terminal-grid>div{padding:30px;border-right:1px solid var(--line)}
.terminal-grid>div:last-child{border:0}
.terminal small,.invoice-head small{display:block;color:var(--muted);letter-spacing:.13em;font:10px ui-monospace,monospace}
.terminal strong{font:800 22px ui-monospace,monospace;display:block;margin:12px 0 6px}
.terminal p{color:var(--muted);margin:0}
.section{padding:80px 0}
.section-heading{max-width:700px}
.section h2{font-size:clamp(32px,5vw,52px);line-height:1.05;letter-spacing:-.04em;margin:0 0 35px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.feature-grid article{padding:30px;background:var(--panel)}
.feature-grid b{color:#4e5d72;font:13px ui-monospace,monospace}
.feature-grid h3{font-size:20px;margin:35px 0 8px}
.feature-grid p,.price-card p,.step p,.device-card>p{color:var(--muted);margin:0}
.purchase-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:start}
.price-card,.checkout-card,.device-card,.account-card{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:30px}
.price-card{position:sticky;top:96px}
.price-card h2{font-size:28px;margin-bottom:10px}
.price-card h2 span{font-size:64px}
.price-card ul{list-style:none;padding:22px 0 0;margin:24px 0 0;border-top:1px solid var(--line)}
.price-card li{padding:7px 0;color:#c6ced9}
.price-card li:before{content:"✓";color:var(--ok);margin-right:10px}
.step{display:flex;gap:15px;margin-bottom:20px}
.step>span{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--accent);font:12px ui-monospace,monospace}
.step h3{margin:1px 0 4px}
.checkout-body{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
label{display:block;color:#b9c2cf;font-size:13px;font-weight:650;margin:0 0 15px}
label span{color:var(--muted);font-weight:400;float:right}
input{display:block;width:100%;margin-top:7px;padding:12px 13px;border-radius:7px;border:1px solid var(--line);background:#080b10;color:var(--text);font:14px ui-monospace,monospace}
input:focus{border-color:var(--accent)}
.invoice-head{display:flex;justify-content:space-between;align-items:center}
.invoice-head strong{display:block;margin-top:3px}
.status{padding:4px 8px;border-radius:20px;background:#342d1c;color:var(--warn);font:700 10px ui-monospace,monospace}
dl{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}
dl div{background:var(--panel2);padding:12px;border-radius:7px;min-width:0}
dt{color:var(--muted);font-size:11px}
dd{margin:3px 0 0;font:13px ui-monospace,monospace;overflow:hidden;text-overflow:ellipsis}
.fine{color:var(--muted);font-size:12px}
.divider{display:flex;align-items:center;color:#667287;font-size:11px;margin:20px 0}
.divider:before,.divider:after{content:"";height:1px;flex:1;background:var(--line)}
.divider span{padding:0 10px}
.message{min-height:22px;margin-top:14px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.message.ok{color:var(--ok)}
.message.error{color:var(--danger)}
.device-section{padding-top:120px}
.device-card{max-width:600px;margin:auto}
.device-card h2{font-size:36px;margin-bottom:12px}
.account-section{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.account-card strong{display:block;font:14px ui-monospace,monospace;overflow-wrap:anywhere}
.account-card p{color:var(--muted)}
footer{width:min(1120px,calc(100% - 48px));margin:50px auto 0;padding:35px 0 50px;border-top:1px solid var(--line);display:flex;align-items:center;gap:30px;color:#687387;font-size:12px}
footer p:nth-child(2){margin-right:auto}
@media(max-width:760px){.nav{padding:0 20px}
nav{display:none}
.hero,.section{width:min(100% - 32px,1120px)}
.hero{padding-top:80px}
.terminal-grid,.purchase-section,.account-section{grid-template-columns:1fr}
.terminal-grid>div{border-right:0;border-bottom:1px solid var(--line)}
.feature-grid{grid-template-columns:1fr}
.price-card{position:static}
.hero-actions{align-items:flex-start;flex-direction:column}
.nav .button{padding:8px 11px}
.terminal{margin-top:48px}
footer{align-items:flex-start;flex-direction:column}
}

select{display:block;width:100%;margin-top:7px;padding:12px 13px;border-radius:7px;border:1px solid var(--line);background:#080b10;color:var(--text);font:14px ui-monospace,monospace}
select:focus{border-color:var(--accent)}
.invoice-head{gap:16px}
.invoice-head strong{overflow-wrap:anywhere}
.status{padding:5px 9px;white-space:nowrap}
.invoice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}
.invoice-grid>div{border:1px solid var(--line);background:var(--panel2);border-radius:8px;padding:13px;min-width:0}
.invoice-grid small{display:block;color:var(--muted);letter-spacing:.12em;font:10px ui-monospace,monospace}
.invoice-grid strong{display:block;margin:7px 0 2px;font:750 17px ui-monospace,monospace}
.invoice-grid span{color:var(--muted);font-size:12px}
.invoice-grid .invoice-recipient{grid-column:1/-1}
.invoice-recipient code{display:block;margin:7px 0 10px;color:#cbd8ef;font:13px ui-monospace,monospace;overflow-wrap:anywhere}
.copy-button{border:1px solid #3b485d;border-radius:6px;padding:6px 9px;background:transparent;color:var(--text);font:650 12px ui-monospace,monospace;cursor:pointer}
.copy-button:hover{background:#1a2230}
.copy-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.reference-form{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.terms-check{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-weight:400;line-height:1.45}
.terms-check input{width:16px;height:16px;margin:3px 0 0;accent-color:var(--accent);flex:0 0 auto}
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}
.qr-grid figure{margin:0;border:1px solid var(--line);border-radius:8px;padding:12px;background:var(--panel2);text-align:center}
.qr-grid canvas{display:block;width:min(100%,180px);height:auto;margin:0 auto;border-radius:4px}
.qr-grid figcaption{margin-top:10px;color:var(--text);font:650 12px/1.4 ui-monospace,monospace}
.qr-grid figcaption span{color:var(--muted);font-weight:400}
@media(max-width:760px){.invoice-grid{grid-template-columns:1fr}}
.policy{max-width:760px;margin:0 auto;padding:48px 24px;line-height:1.65}.policy h1{margin-top:30px}.policy li{margin:8px 0}.policy a,footer a{color:#cbd8ef}
@media(max-width:440px){.qr-grid{grid-template-columns:1fr}}