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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 .nav-dropdown{position:relative}.opitec-landing .nav-dropdown-btn{display:inline-flex;align-items:center;gap:5px;background:none;border:0;padding:0;color:var(--mut);font:inherit;font-size:.9rem;font-weight:500;cursor:pointer;transition:.25s}.opitec-landing .nav-dropdown-btn:hover,.opitec-landing .nav-dropdown:hover .nav-dropdown-btn{color:var(--c1)}.opitec-landing .nav-dropdown-menu{position:absolute;top:calc(100% + 12px);left:0;min-width:220px;padding:8px;border-radius:16px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border:1px solid rgba(15,23,42,.08);box-shadow:0 20px 45px rgba(15,23,42,.12);display:none;flex-direction:column;gap:2px;z-index:30}.opitec-landing .nav-dropdown:focus-within .nav-dropdown-menu,.opitec-landing .nav-dropdown:hover .nav-dropdown-menu{display:flex}.opitec-landing .nav-dropdown-menu a{display:block;padding:9px 12px;border-radius:10px;color:var(--tx);font-size:.88rem;font-weight:500;transition:.2s}.opitec-landing .nav-dropdown-menu a:hover{background:rgba(124,58,237,.08);color:var(--c1)}.opitec-landing .nav-dropdown-divider{height:1px;background:rgba(15,23,42,.08);margin:4px 6px}.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(124,58,237,.28);transition:.3s}.opitec-landing .btn:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(91,33,182,.38)}.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 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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(124,58,237,.14)}.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)}.opitec-landing .mobile-menu-btn{display:none;background:rgba(124,58,237,.1);border:1px solid rgba(124,58,237,.2);color:var(--c1);border-radius:10px;padding:7px 11px;font-size:1.1rem;font-weight:700;cursor:pointer}.opitec-landing .mobile-drawer{display:none}@media (max-width:800px){.opitec-landing nav{padding:12px 4vw}.opitec-landing nav .logo-img{height:28px}.opitec-landing nav .btn{padding:8px 14px;font-size:.8rem}.opitec-landing .dots,.opitec-landing nav ul{display:none}.opitec-landing .mobile-menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:8px}.opitec-landing .mobile-drawer.open{display:flex;flex-direction:column;gap:6px;position:fixed;top:57px;left:0;right:0;z-index:25;padding:14px 5vw 18px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(15,23,42,.08);box-shadow:0 18px 40px rgba(15,23,42,.12);max-height:75vh;overflow-y:auto}.opitec-landing .mobile-drawer a{color:var(--tx);text-decoration:none;font-size:.95rem;font-weight:500;padding:8px 10px;border-radius:10px}.opitec-landing .mobile-drawer a:hover{background:rgba(124,58,237,.08);color:var(--c1)}.opitec-landing .mobile-drawer .mobile-group-label{font-family:ui-monospace,Consolas,monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:2px;color:var(--c1);padding:8px 10px 2px;font-weight:700}.opitec-landing section,.opitec-landing section.r{min-height:110vh;align-items:flex-end;justify-content:center;padding:50vh 4vw 4vh}.opitec-landing .card{width:100%;max-width:100%;background:rgba(255,255,255,.82);box-shadow:0 16px 40px rgba(15,23,42,.12)}.opitec-landing .card,.opitec-landing .hero .card{padding:18px 20px;border-radius:20px;backdrop-filter:blur(12px)}.opitec-landing .hero .card{background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9)}.opitec-landing .tag{font-size:.7rem;margin-bottom:8px}.opitec-landing h1{font-size:clamp(1.65rem,6.5vw,2.3rem);margin-bottom:10px}.opitec-landing h2{font-size:clamp(1.3rem,5vw,1.75rem);margin-bottom:8px}.opitec-landing p{font-size:.88rem;line-height:1.5;margin-bottom:12px}.opitec-landing ul.f{margin-bottom:14px}.opitec-landing ul.f li{font-size:.84rem;padding:3px 0 3px 22px}.opitec-landing .btn{padding:10px 18px;font-size:.85rem}.opitec-landing .stats{gap:20px;margin-top:16px}.opitec-landing .stats b{font-size:1.35rem}.opitec-landing .hint{display:none}.opitec-landing .cform-row{grid-template-columns:1fr}}