:root{--bg:#FFFFFF;--bg-2:#F5F8FD;--bg-3:#EEF3FB;--ink:#0B0F1A;--ink-soft:#1A2235;--paper:#FFFFFF;--text-body:#4A5468;--text-mute:#707B92;--text-on-dark:#E7ECF6;--mute-on-dark:#9AA6C2;--blue:#1F6FEB;--blue-bright:#3B86FF;--blue-deep:#1556C7;--line:#E4EAF3;--line-dark:rgba(255,255,255,.1);--glow:0 12px 34px -12px rgba(31,111,235,.55);--font-display:"Sora",system-ui,sans-serif;--font-body:"Inter",system-ui,sans-serif;--maxw:1180px;--radius:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--text-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.02em;color:var(--ink)}.eyebrow{font-size:.76rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);margin-bottom:18px}.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:600;font-size:.98rem;padding:14px 26px;border-radius:10px;cursor:pointer;border:1.5px solid transparent;transition:transform .25s,background .25s,box-shadow .25s,border-color .25s,color .25s}.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--glow)}.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}.on-dark .btn-ghost{color:var(--text-on-dark);border-color:var(--line-dark)}.on-dark .btn-ghost:hover{border-color:var(--blue-bright);color:#fff}.btn .arrow{transition:transform .25s}.btn:hover .arrow{transform:translate(4px)}header{position:sticky;top:0;z-index:60;background:#ffffffc7;backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}header.scrolled{border-bottom-color:var(--line)}nav{display:flex;align-items:center;justify-content:space-between;height:76px}.logo{font-family:var(--font-display);font-weight:700;font-size:1.4rem;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center}.logo img{height:34px;width:auto;display:block}.logo .ai{position:relative;color:var(--blue);margin-left:5px}.logo .ai:after{content:"";position:absolute;right:-11px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px var(--blue);transform:translateY(-50%)}.nav-links{display:flex;align-items:center;gap:32px}.nav-links a{font-size:.95rem;font-weight:500;color:var(--text-body);transition:color .2s}.nav-links a:hover{color:var(--blue)}.menu-btn{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--ink)}.sec-pad{padding:104px 0}.alt{background:var(--bg-2)}.section-head{max-width:720px;margin:0 auto 60px;text-align:center}.section-head h2{font-size:clamp(2rem,4.4vw,3.1rem)}.section-head p{font-size:1.12rem;margin-top:18px;color:var(--text-body)}.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}footer{background:var(--ink-soft);padding:72px 0 38px}.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}.foot-brand .logo{margin-bottom:16px;color:#fff}.foot-brand .logo .ai{color:var(--blue-bright)}.foot-brand .logo .ai:after{background:var(--blue-bright);box-shadow:0 0 8px var(--blue-bright)}.foot-brand p{color:var(--mute-on-dark);max-width:310px;font-size:.97rem}.foot-col h4{font-family:var(--font-display);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:18px;font-weight:600}.foot-col a{display:block;color:var(--mute-on-dark);margin-bottom:11px;font-size:.95rem;transition:color .2s}.foot-col a:hover{color:var(--blue-bright)}.foot-bottom{border-top:1px solid var(--line-dark);padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--mute-on-dark);font-size:.85rem}.foot-bottom .disclosure{max-width:580px}@media (max-width:920px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}@media (max-width:640px){.nav-links{display:none}.menu-btn{display:block}.sec-pad{padding:72px 0}.foot-grid{grid-template-columns:1fr}}.mobile-menu{display:none;flex-direction:column;padding:12px 0 20px;border-top:1px solid var(--line)}.mobile-menu.open{display:flex}.mobile-menu a{padding:13px 4px;font-weight:500;color:var(--ink)}.mobile-menu .btn{margin-top:10px;justify-content:center}