.opitec-landing{--bg:#f8f9fb;--c1:#ef0000;--c2:#b91c1c;--c3:#18181b;--tx:#111827;--mut:#4b5563;background:radial-gradient(ellipse at 70% 20%,#ffffff 0,var(--bg) 60%,#eceff4 100%) fixed;color:var(--tx);font-family:var(--font-sans),"Inter",system-ui,sans-serif;overflow-x:hidden;min-height:100vh}.opitec-landing *{box-sizing:border-box}.opitec-landing #bg{position:fixed;inset:0;width:100%;height:100%;z-index:0}.opitec-landing nav{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:16px 5vw;backdrop-filter:blur(16px);background:rgba(255,255,255,.78);border-bottom:1px solid rgba(15,23,42,.08)}.opitec-landing .logo{display:flex;align-items:center;text-decoration:none}.opitec-landing .logo-img{height:36px;width:auto;display:block;object-fit:contain}.opitec-landing nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}.opitec-landing nav a{color:var(--mut);text-decoration:none;font-size:.9rem;font-weight:500;transition:.25s}.opitec-landing nav ul a:hover{color:var(--c1)}.opitec-landing .btn{display:inline-block;padding:13px 26px;border-radius:999px;background:linear-gradient(90deg,var(--c1),var(--c2));color:#fff!important;font-weight:700;text-decoration:none;box-shadow:0 10px 28px rgba(239,0,0,.25);transition:.3s}.opitec-landing .btn:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(185,28,28,.35)}.opitec-landing .btn.ghost{background:#fff;color:var(--tx)!important;border:1px solid #0f172a22;box-shadow:none;margin-left:10px}.opitec-landing main{position:relative;z-index:5}.opitec-landing section{min-height:100vh;display:flex;align-items:center;padding:0 7vw;position:relative}.opitec-landing section.r{justify-content:flex-end}.opitec-landing .card{max-width:520px;padding:38px;border-radius:26px;background:#ffffffcc;border:1px solid #fff;backdrop-filter:blur(16px);box-shadow:0 30px 80px #1e293b22}.opitec-landing .hero .card{background:transparent;border:0;box-shadow:none;backdrop-filter:none;padding:0;max-width:700px}.opitec-landing .tag{font-family:ui-monospace,Consolas,monospace;color:var(--c1);font-size:.78rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;font-weight:600}.opitec-landing h1{font-size:clamp(2.4rem,5.5vw,4.4rem);line-height:1.05;margin-bottom:20px;font-weight:800}.opitec-landing h2{font-size:clamp(1.8rem,3.3vw,2.7rem);line-height:1.1;margin-bottom:16px;font-weight:800}.opitec-landing .grad{background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3));-webkit-background-clip:text;color:transparent}.opitec-landing p{color:var(--mut);line-height:1.7;margin-bottom:18px}.opitec-landing ul.f{list-style:none;margin-bottom:24px;padding:0}.opitec-landing ul.f li{padding:6px 0 6px 26px;position:relative;font-weight:500}.opitec-landing ul.f li:before{content:"✓";position:absolute;left:0;color:var(--c1);font-weight:800}.opitec-landing .stats{display:flex;gap:40px;margin-top:38px;font-family:ui-monospace,monospace}.opitec-landing .stats b{display:block;font-size:2rem;color:var(--c2)}.opitec-landing .stats small{color:var(--mut)}.opitec-landing .reveal{opacity:0;transform:translateY(60px) scale(.97);transition:1s cubic-bezier(.2,.8,.2,1)}.opitec-landing .reveal.in{opacity:1;transform:none}.opitec-landing #bar{position:fixed;left:0;top:0;height:3px;width:0;z-index:20;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3))}.opitec-landing .dots{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:10;display:flex;flex-direction:column;gap:14px}.opitec-landing .dots i{width:9px;height:9px;border-radius:50%;background:#0f172a30;cursor:pointer;transition:.3s}.opitec-landing .dots i.on{background:var(--c2);transform:scale(1.5);box-shadow:0 0 12px var(--c2)}.opitec-landing footer{position:relative;z-index:5;text-align:center;padding:30px;color:var(--mut);font-size:.85rem}.opitec-landing .hint{position:absolute;bottom:28px;left:7vw;font-family:monospace;color:var(--mut);font-size:.75rem;letter-spacing:3px;animation:opitec-bounce 2s infinite}@keyframes opitec-bounce{50%{transform:translateY(8px)}}.opitec-landing #load{position:fixed;inset:0;z-index:50;background:var(--bg);display:grid;place-items:center;font-family:monospace;color:var(--mut);transition:.8s}.opitec-landing #load.off{opacity:0;pointer-events:none}.opitec-landing .cform{display:flex;flex-direction:column;gap:10px;margin-top:6px}.opitec-landing .cform-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.opitec-landing .cform input,.opitec-landing .cform select,.opitec-landing .cform textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid rgba(17,24,39,.14);background:rgba(255,255,255,.92);color:var(--tx);font:inherit;font-size:.92rem;outline:none;transition:border-color .2s,box-shadow .2s}.opitec-landing .cform input:focus,.opitec-landing .cform select:focus,.opitec-landing .cform textarea:focus{border-color:var(--c1);box-shadow:0 0 0 3px rgba(239,0,0,.12)}.opitec-landing .cform textarea{resize:vertical;min-height:78px}.opitec-landing .cform-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:4px}.opitec-landing .cform-actions .btn{border:0;cursor:pointer;font-size:.95rem}.opitec-landing .cform-actions .btn:disabled{opacity:.65;cursor:wait}.opitec-landing .cform-actions .btn.ghost{margin-left:0}.opitec-landing .cnote{margin-top:4px;padding:10px 14px;border-radius:12px;font-size:.88rem;font-weight:500}.opitec-landing .cnote.success{background:rgba(22,163,74,.12);color:#166534;border:1px solid rgba(22,163,74,.25)}.opitec-landing .cnote.error{background:rgba(239,0,0,.1);color:#991b1b;border:1px solid rgba(239,0,0,.25)}@media (max-width:800px){.opitec-landing .cform-row{grid-template-columns:1fr}.opitec-landing .dots,.opitec-landing nav ul{display:none}.opitec-landing .card{padding:24px;background:#ffffffe6}.opitec-landing section,.opitec-landing section.r{align-items:flex-end;padding-bottom:6vh}}