:root{--blue:#00a7ff;--dark:#020915;--dark2:#07172b;--cyan:#29d7ff;--yellow:#ffdf00}html{scroll-behavior:smooth}body{font-family:Arial,Helvetica,sans-serif;color:#1e293b;background:#fff}.glass-nav{background:rgba(2,9,21,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}.navbar-brand span{color:var(--blue);letter-spacing:.35rem}.hero-section{position:relative;overflow:hidden;background:radial-gradient(circle at 70% 35%,rgba(41,215,255,.35),transparent 28%),linear-gradient(135deg,#020915 0%,#07172b 55%,#020915 100%)}.hero-overlay{position:absolute;inset:0;background:url('../img/banner-vortex-turbo.png') center/cover no-repeat;opacity:.13;filter:blur(2px)}.eyebrow{text-transform:uppercase;letter-spacing:.18rem;font-weight:700;color:var(--cyan);font-size:.8rem}.eyebrow.dark{color:#0077b6}.hero-card{border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.18)}.section-padding{padding:90px 0}.bg-dark-blue{background:linear-gradient(135deg,#020915,#071b33)}.feature-card{height:100%;padding:28px;border-radius:22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:.25s}.feature-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.1)}.feature-card span{color:var(--cyan);font-weight:800}.feature-card h3{font-size:1.2rem;margin:12px 0}.feature-card p{color:rgba(255,255,255,.72);margin:0}.product-card{padding:28px;border-radius:28px;background:#fff;box-shadow:0 18px 45px rgba(15,23,42,.1);border:1px solid #e2e8f0}.product-img{max-height:380px;object-fit:contain}.product-card h3{font-size:2.5rem;font-weight:900;color:#07172b}.spec-list{list-style:none;padding:0;margin:20px 0 0}.spec-list li{padding:10px 0;border-bottom:1px solid #e2e8f0}.technical-table{border-radius:22px;overflow:hidden;border:1px solid #e2e8f0}.technical-table thead th{background:#07172b;color:#fff;white-space:nowrap}.technical-table tbody th{color:#0077b6;font-weight:900}.cta-section{background:radial-gradient(circle at 50% 10%,rgba(41,215,255,.25),transparent 35%),linear-gradient(135deg,#020915,#0b2b50)}.footer{background:#020915}.btn-info{background:var(--cyan);border-color:var(--cyan);color:#02111f;font-weight:700}.btn-info:hover{background:#fff;border-color:#fff;color:#02111f}.back-to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:0;background:var(--cyan);color:#02111f;font-size:24px;font-weight:800;box-shadow:0 14px 30px rgba(0,0,0,.25);display:none}.back-to-top.show{display:block}@media(max-width:991px){.section-padding{padding:64px 0}.display-3{font-size:3rem}.hero-section .min-vh-100{min-height:auto!important;padding-top:120px!important}}@media(max-width:575px){.product-card{padding:20px}.product-card h3{font-size:2rem}.navbar-brand span{letter-spacing:.15rem}}