:root{--bg:#070a14;--bg-alt:#0b1020;--surface:rgba(255,255,255,.035);--surface-solid:#111829;--border:rgba(255,255,255,.09);--text:#f4f6fb;--muted:#9aa6bf;--accent:#4f8cff;--accent-2:#8b5cf6;--accent-3:#22d3ee;--glow:rgba(79,140,255,.35);--radius:18px;color-scheme:dark}
@media (prefers-color-scheme:light){:root:not([data-theme=dark]){--bg:#f7f8fc;--bg-alt:#eef1f8;--surface:rgba(15,23,42,.03);--surface-solid:#ffffff;--border:rgba(15,23,42,.1);--text:#0b1222;--muted:#55607a;--glow:rgba(79,140,255,.22);color-scheme:light}}
:root[data-theme=light]{--bg:#f7f8fc;--bg-alt:#eef1f8;--surface:rgba(15,23,42,.03);--surface-solid:#ffffff;--border:rgba(15,23,42,.1);--text:#0b1222;--muted:#55607a;--glow:rgba(79,140,255,.22);color-scheme:light}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);overflow-x:hidden}
a{color:var(--accent);text-underline-offset:4px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:6px}
button{font:inherit;cursor:pointer}
p{color:var(--muted);line-height:1.7}
h1,h2,h3{color:var(--text);letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.15;margin:.2em 0 .5em}
h3{font-size:1.1rem;margin:.6em 0 .3em}
.container{width:min(1180px,100% - 40px);margin-inline:auto}
.narrow{max-width:780px}
.muted{color:var(--muted)}.small{font-size:.85rem}

/* Header */
.site-header{position:sticky;top:0;z-index:20;backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px;flex-wrap:wrap;padding-block:10px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;color:var(--text);text-decoration:none;font-size:1.05rem}
.logo{width:26px;height:26px;fill:var(--accent);filter:drop-shadow(0 0 10px var(--glow))}
.nav-links{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.theme-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:0;transition:border-color .2s,transform .2s}.theme-toggle:hover{border-color:var(--accent);transform:rotate(-12deg)}.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.theme-toggle .sun{display:none}:root[data-theme=dark] .theme-toggle .sun,:root:not([data-theme]) .theme-toggle .sun{display:block}:root[data-theme=dark] .theme-toggle .moon,:root:not([data-theme]) .theme-toggle .moon{display:none}@media (prefers-color-scheme:light){:root:not([data-theme]) .theme-toggle .sun{display:none}:root:not([data-theme]) .theme-toggle .moon{display:block}}
.nav-links a:not(.button){color:var(--muted);text-decoration:none;font-weight:550;font-size:.95rem;transition:color .2s}
.nav-links a:not(.button):hover{color:var(--text)}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;text-decoration:none;border:0;font-weight:650;box-shadow:0 8px 30px -8px var(--glow);transition:transform .2s,box-shadow .2s,filter .2s}
.button:hover{transform:translateY(-2px);box-shadow:0 14px 40px -10px var(--glow);filter:brightness(1.08)}
.button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:none}
.button.secondary:hover{border-color:var(--accent)}
.button.small{min-height:40px;padding:8px 18px;border-radius:10px;font-size:.92rem}
.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}

/* Hero */
.hero{position:relative;overflow:hidden;text-align:center;padding:110px 0 120px;isolation:isolate}
#network{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.9}
.aurora{position:absolute;inset:-30% -10% auto;height:120%;z-index:-2;background:radial-gradient(40% 50% at 30% 30%,rgba(79,140,255,.28),transparent 70%),radial-gradient(35% 45% at 70% 25%,rgba(139,92,246,.25),transparent 70%),radial-gradient(30% 40% at 50% 70%,rgba(34,211,238,.14),transparent 70%);filter:blur(20px);animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(-3%,0,0) scale(1)}to{transform:translate3d(3%,4%,0) scale(1.08)}}
.hero-inner{position:relative}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:.85rem;font-weight:600;backdrop-filter:blur(8px)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,.7);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
h1{font-size:clamp(2.4rem,6.2vw,4.6rem);line-height:1.05;letter-spacing:-.045em;max-width:980px;margin:28px auto 0;font-weight:800}
.gradient-text{background:linear-gradient(100deg,var(--accent-3),var(--accent) 40%,var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shine 8s linear infinite}
@keyframes shine{to{background-position:200% center}}
.lead{max-width:720px;margin:26px auto 36px;font-size:1.15rem}
.hero .actions{justify-content:center}
.trust{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;padding:0;margin:44px 0 0;color:var(--muted);font-size:.9rem}
.trust li::before{content:"";display:inline-block;width:14px;height:14px;margin-right:8px;vertical-align:-2px;border-radius:50%;background:radial-gradient(circle,var(--accent) 35%,transparent 40%),radial-gradient(circle,var(--glow),transparent 70%)}

/* Sections */
.section{padding-block:96px;position:relative}
.section.alt{background:var(--bg-alt);border-block:1px solid var(--border)}
.kicker{margin:0;color:var(--accent);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}

/* Steps */
.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:20px;counter-reset:s}
.step{padding:28px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}
.num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:800}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.tile{position:relative;padding:30px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);overflow:hidden;transition:transform .3s,border-color .3s}
.tile::after{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(79,140,255,.14),transparent 45%);opacity:0;transition:opacity .3s;pointer-events:none}
.tile:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}
.tile:hover::after{opacity:1}
.tile-wide{grid-column:span 2}.tile-full{grid-column:1/-1}
.tile svg,.checks svg{width:40px;height:40px;padding:9px;border-radius:12px;background:color-mix(in srgb,var(--accent) 16%,transparent);stroke:var(--accent);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* Cards / pricing */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}
.card{padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow-wrap:anywhere}
.card h3{margin-top:0}
.plans{margin-top:36px}
.plan{display:flex;flex-direction:column;gap:6px;position:relative;transition:transform .3s,border-color .3s}
.plan:hover{transform:translateY(-4px)}
.plan.featured{border:1px solid transparent;background:linear-gradient(var(--surface-solid),var(--surface-solid)) padding-box,linear-gradient(135deg,var(--accent-3),var(--accent),var(--accent-2)) border-box;box-shadow:0 20px 60px -20px var(--glow)}
.badge{position:absolute;top:-12px;left:28px;padding:4px 12px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.08em}
.price{font-size:2.3rem;color:var(--text);font-weight:800;margin:.2em 0 0;letter-spacing:-.03em}
.price span{font-size:.95rem;color:var(--muted);font-weight:500}
.tagline{margin:0;font-size:.95rem}
.features{list-style:none;padding:0;margin:14px 0 22px;display:grid;gap:9px;flex:1}
.features li{position:relative;padding-left:24px;color:var(--text);font-size:.93rem;line-height:1.45}
.features li::before{content:"";position:absolute;left:0;top:.3em;width:14px;height:14px;border-radius:50%;background:color-mix(in srgb,var(--accent) 22%,transparent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%234f8cff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.plan .button{width:100%}
.skeleton{min-height:360px;position:relative;overflow:hidden}
.skeleton::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent);animation:shimmer 1.4s infinite}
@keyframes shimmer{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.line{height:18px;width:70%;background:var(--border);border-radius:6px;margin:12px 0 24px}

/* Business */
.lead-left{max-width:720px;font-size:1.05rem}
.biz-tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:28px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--border)}
.biz-tiers>div{background:var(--bg-alt);padding:22px}.biz-tiers h3{margin:0 0 4px;font-size:1rem}.biz-tiers p{margin:0;font-size:.9rem}
.biz-actions{margin-top:28px}
@media (max-width:900px){.biz-tiers{grid-template-columns:1fr 1fr}}

/* Security */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checks li{padding:18px 20px 18px 56px;position:relative;border:1px solid var(--border);border-radius:14px;background:var(--surface);color:var(--muted);line-height:1.55}
.checks li strong{color:var(--text)}
.checks li::before{content:"";position:absolute;left:18px;top:20px;width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--accent),var(--accent-2)) ;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 5v6c0 5 3.4 9.3 8 11 4.6-1.7 8-6 8-11V5z'/%3E%3C/svg%3E") center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 5v6c0 5 3.4 9.3 8 11 4.6-1.7 8-6 8-11V5z'/%3E%3C/svg%3E") center/contain no-repeat}

/* FAQ */
details{border-bottom:1px solid var(--border);padding:22px 0}
summary{cursor:pointer;font-weight:650;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}

/* CTA + footer */
.cta{padding-block:80px}
.cta-inner{text-align:center;padding:64px 24px;border-radius:28px;border:1px solid var(--border);background:radial-gradient(60% 120% at 50% 0%,rgba(79,140,255,.25),transparent 70%),var(--surface)}
.cta-inner .actions{justify-content:center}
footer{padding:40px 0;border-top:1px solid var(--border)}
.footer-inner{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between}
footer nav{min-height:0;padding:0;gap:22px;justify-content:flex-start}
footer nav a{color:var(--muted);text-decoration:none}footer nav a:hover{color:var(--text)}

/* Reveal on scroll */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}.aurora,.gradient-text,.pill .dot,.skeleton::before{animation:none}.tile,.plan,.button{transition:none}}

/* Other public pages */
.article{max-width:780px;padding-block:40px}.article p{white-space:pre-line;overflow-wrap:anywhere}

/* App startup (app.html) */
#app-startup{display:none;min-height:100vh;place-items:center;padding:24px}.app-loading #public-page{display:none}.app-loading #app-startup{display:grid}
.startup-card{width:min(420px,100%);padding:32px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-solid)}.startup-card .line{height:44px;width:100%;margin-block:20px}.startup-card h1{font-size:1.6rem}.startup-card p{font-size:.95rem}.startup-card button{color:#fff;background:var(--accent);border:0;border-radius:8px;padding:10px 18px}
.app-ready #public-page,.app-ready #app-startup{display:none}
.skip-link{position:absolute;z-index:50;transform:translateY(-150%);padding:12px;background:var(--surface-solid);color:var(--text)}.skip-link:focus{transform:none}

@media (max-width:900px){.bento{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:32px}}
@media (max-width:640px){.container{width:calc(100% - 32px)}.hero{padding:64px 0 72px}.section{padding-block:64px}.bento{grid-template-columns:1fr}.tile-wide,.tile-full{grid-column:auto}.nav-links{gap:14px;font-size:.9rem}.nav-links a[href="#features"],.nav-links a[href="#pricing"]{display:none}.actions .button{flex:1}}