:root{--bg:#f6f8fb;--surface:#fff;--ink:#0e1a33;--muted:#55627d;--line:#dde3ee;--brand:#00E5FF;--brand-ink:#fff;--accent:#12c4a0;--deep:#0e1a33;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b1226;--surface:#131c38;--ink:#eef2fb;--muted:#9aa8c7;--line:#243154;--brand:#00E5FF;--deep:#070c1c}}
:root[data-theme="dark"]{--bg:#0b1226;--surface:#131c38;--ink:#eef2fb;--muted:#9aa8c7;--line:#243154;--brand:#00E5FF;--deep:#070c1c}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Segoe UI",system-ui,-apple-system,sans-serif}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,6vw,3.8rem)}h2{font-size:clamp(1.6rem,4vw,2.4rem)}h3{font-size:1.15rem}
p{margin:0 0 1em;color:var(--muted)}
a{color:inherit}
.w{max-width:1080px;margin:0 auto;padding:0 20px}
section{padding:64px 0}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
header .w{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font:900 1.7rem/1 "Helvetica Neue","Arial Black",Arial,sans-serif;letter-spacing:-.05em;text-decoration:none;display:inline-flex;align-items:baseline}
.logo i{display:inline-block;width:.2em;height:.2em;margin-left:.06em;background:var(--brand)}
nav a{margin-left:18px;text-decoration:none;font-size:.95rem}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);padding:12px 22px;border-radius:8px;font-weight:600;text-decoration:none}
.btn.alt{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.hero{padding:80px 0 56px}
.hero p{font-size:1.15rem;max-width:560px}
.hero .row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.ic{width:44px;height:44px;padding:10px;border-radius:12px;background:color-mix(in srgb,var(--brand) 13%,transparent);color:var(--brand);margin-bottom:14px;display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hg{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:center}
svg.art{width:100%;height:auto;max-width:460px;justify-self:center}
.art .n{fill:var(--surface);stroke:var(--line);stroke-width:1.5}.art .l{fill:none;stroke:var(--brand);stroke-width:2;stroke-dasharray:6 6}
.art text{fill:var(--ink);font:600 13px "Segoe UI",system-ui,sans-serif}.art .s{fill:var(--muted);font-weight:400;font-size:11px}
.art .ico{fill:none;stroke:var(--brand);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media(prefers-reduced-motion:no-preference){.art .l{animation:d 1.6s linear infinite}@keyframes d{to{stroke-dashoffset:-24}}}
.trust{background:var(--deep);color:#fff;padding:36px 0}
.trust .g{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.trust p{color:#c6d0e8;margin:0}
.g{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.card p{margin:0}
.steps{counter-reset:s}.steps .card{border-left:4px solid var(--accent)}
.steps .card h3::before{counter-increment:s;content:counter(s) ". "}
.split{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
ul.tick{list-style:none;padding:0;margin:0 0 20px}
ul.tick li{padding:4px 0 4px 26px;position:relative;color:var(--muted)}
ul.tick li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.95rem}
td{padding:8px 0;border-top:1px solid var(--line)}td:last-child{text-align:right;font-weight:600}
.note{font-size:.85rem}
details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0}
.cta{background:var(--brand);color:#fff;text-align:center;border-radius:16px;padding:48px 20px}
.cta p{color:#e4e2ff}.cta .btn{background:#fff;color:#1b1370}
form{display:grid;gap:14px;grid-template-columns:1fr 1fr;max-width:720px}
form .f{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}
form .full{grid-column:1/-1}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:11px 12px;width:100%}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:1px}
form button{border:0;cursor:pointer;font:inherit;font-weight:600;justify-self:start}
#msg{grid-column:1/-1;margin:0;font-size:.9rem}
@media(max-width:640px){form{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:32px 0;font-size:.9rem;color:var(--muted)}
footer .w{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:640px){nav .h{display:none}section{padding:48px 0}}