:root{--bg-primary: #121212;--bg-secondary: #1e1e1e;--bg-tertiary: #2a2a2a;--text-primary: #ffffff;--text-secondary: #b0b0b0;--text-dim: rgba(255, 255, 255, .5);--accent: #0ff;--accent-muted: rgba(0, 255, 255, .2);--danger: #ff5555;--success: #81c784;--success-bright: #69f0ae;--info: #88ccff;--border-light: #333;--border-dim: rgba(255, 255, 255, .05);--font: "Inter", system-ui, sans-serif;--trans-base: .2s ease;--header-bg: rgba(18, 18, 18, .8);--hero-glow: rgba(0, 255, 255, .05);--gold: #ffd700;--black: #000;--white: #fff;--gray: #888;--gray-light: #aaa}@layer base,components,utilities;@layer base{*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}h1,h2,h3{margin:0;font-weight:700;line-height:1.1}a{text-decoration:none;color:inherit;transition:color var(--trans-base)}a:hover{color:var(--accent)}}@layer components{header{display:flex;justify-content:space-between;align-items:center;padding:20px 40px;background:var(--header-bg);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-light)}section{padding:40px 20px;max-width:1200px;margin-inline:auto;width:100%}footer{background:var(--bg-secondary);padding:40px 20px;text-align:center;border-top:1px solid var(--border-light);margin-top:auto}.logo{font-size:24px;font-weight:700;color:var(--accent);letter-spacing:-.5px;position:relative}.beta-tag{background:var(--gold);color:var(--black);font-size:9px;padding:1px 4px;border-radius:3px;text-transform:uppercase;font-weight:900;position:absolute;inset-inline-end:0;inset-block-end:-14px}:is(.cta-btn,.secondary-btn){display:inline-block;padding:12px 24px;border-radius:8px;font-weight:700;transition:all var(--trans-base);cursor:pointer;border:none;text-align:center}.cta-btn{background:var(--accent);color:var(--black)}.secondary-btn{background:transparent;color:var(--accent);border:1px solid var(--accent)}:is(.cta-btn,.secondary-btn):hover{transform:translateY(-2px);box-shadow:0 4px 15px var(--accent-muted);filter:brightness(1.1)}:is(.use-case-card,.pricing-card,.contact-form,.login-container){background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:16px;padding:40px;transition:all var(--trans-base);box-shadow:0 20px 50px #00000080}.use-case-card:hover,.pricing-card:hover{border-color:var(--accent);transform:translateY(-4px)}:is(input,textarea){width:100%;padding:12px;border-radius:8px;border:1px solid var(--border-light);background:var(--bg-primary);color:var(--text-primary);font-family:var(--font);font-size:14px;transition:border-color var(--trans-base);outline:none;appearance:none}:is(input,textarea):focus{border-color:var(--accent)}}@layer utilities{.section-title{font-size:42px;text-align:center;margin-bottom:40px;font-weight:800;background:linear-gradient(to right,var(--white),var(--gray));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.text-dim{color:var(--text-secondary)}.text-center{text-align:center}.flex-col{display:flex;flex-direction:column;gap:20px}.hidden{display:none!important}}.hero{text-align:center;min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at center,var(--hero-glow) 0%,transparent 60%)}.hero h1{font-size:clamp(40px,8vw,64px);margin-bottom:20px;background:linear-gradient(to right,var(--white),var(--gray-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:20px;color:var(--text-secondary);max-width:600px;margin-bottom:40px}.features-showcase{display:flex;gap:40px;align-items:center}.feature-item{padding:24px;border-radius:12px;border-inline-start:4px solid transparent;cursor:pointer;transition:all .3s}.feature-item.active{background:#ffffff08;border-inline-start-color:var(--accent)}.feature-item h3{color:var(--text-primary);transition:color .3s;margin-bottom:8px}.feature-item.active h3{color:var(--accent)}.feature-visual-container{flex:1.5;aspect-ratio:16/9;position:relative;background:#000;border:1px solid var(--border-light);border-radius:16px;overflow:hidden}.feature-visual{position:absolute;inset:0;opacity:0;transition:opacity .5s}.feature-visual.active{opacity:1}.use-case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.price{font-size:48px;font-weight:700;margin:20px 0}.pricing-features{list-style:none;padding:0;margin-bottom:30px}.pricing-features li{padding-block:10px;border-block-end:1px solid var(--border-dim);display:flex;align-items:center;gap:12px}.pricing-features li:before{content:"✓";color:var(--accent);font-weight:700}.login-page{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:20px}.login-header{text-align:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--border-dim)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:var(--text-secondary);font-size:14px}@media(max-width:768px){header{padding:15px 20px}.nav-links{display:none}.features-showcase{flex-direction:column-reverse}.section-title{font-size:32px}}