:root{--bg-color: #F8F7F4;--text-main: #1A1A1A;--text-muted: #666666;--accent: #2A2A2A;--nav-bg: rgba(248, 247, 244, .85);--border-color: #1A1A1A;--accent-glow: rgba(42, 42, 42, .1)}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,-apple-system,sans-serif;overflow-x:hidden;line-height:1.4}nav{position:fixed;top:0;left:0;width:100%;height:54px;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,env(safe-area-inset-left));border-bottom:1px solid rgba(255,255,255,.1);z-index:1000}.nav-brand{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-size:20px;font-weight:500;color:var(--text-main);letter-spacing:1px;text-decoration:none;display:flex;align-items:center;gap:8px}.nav-brand img{width:24px;height:24px;border-radius:6px}.nav-btn{background:var(--border-color);color:#fff;font-size:12px;font-weight:600;padding:6px 16px;border-radius:20px;text-decoration:none;transition:transform .2s,opacity .2s}.nav-btn:hover{opacity:.8;transform:scale(1.05)}.reveal{opacity:0;transform:translateY(60px);transition:opacity 1.2s cubic-bezier(.2,1,.3,1),transform 1.2s cubic-bezier(.2,1,.3,1)}.reveal.in-view{opacity:1;transform:translateY(0)}.reveal-slow{transition-delay:.2s}.reveal-slower{transition-delay:.4s}.hero{position:relative;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding-top:54px;background:radial-gradient(circle at center,#fff,#efebe0);overflow:hidden}.hero:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:20vh;background:linear-gradient(to top,var(--bg-color),transparent);pointer-events:none}.hero-title{font-size:clamp(60px,12vw,120px);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-weight:700;letter-spacing:-2px;color:var(--text-main);text-shadow:2px 2px 0px rgba(0,0,0,.05);margin-bottom:20px;z-index:2}.hero-subtitle{font-size:clamp(20px,4vw,32px);color:var(--text-muted);font-weight:500;max-width:600px;margin:0 auto 40px;z-index:2}.hero-icon{width:120px;height:120px;border-radius:28px;box-shadow:0 20px 40px #00000026,inset 0 1px #fffc;margin-bottom:60px;z-index:2;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.showcase{padding:150px 20px;display:flex;flex-direction:column;align-items:center;position:relative}.showcase-text{text-align:center;max-width:800px;margin-bottom:80px}.showcase-eyebrow{font-size:21px;font-weight:600;color:var(--border-color);margin-bottom:16px}.showcase-heading{font-size:clamp(40px,8vw,72px);font-weight:700;line-height:1.1;letter-spacing:-1.5px}.device-container{position:relative;width:100%;max-width:400px;margin:0 auto;perspective:1000px;z-index:10}.device-layer{position:relative;width:100%;height:auto;border-radius:44px;box-shadow:0 0 0 3px var(--border-color),0 40px 100px #00000026;overflow:hidden;background:#fff;transform:rotateX(15deg) rotateY(15deg);transform-style:preserve-3d;transition:transform 1s cubic-bezier(.2,1,.3,1),box-shadow 1s ease}.device-container:hover .device-layer,.device-layer.in-view{transform:rotateX(0) rotateY(0)!important;box-shadow:0 0 0 3px var(--border-color),0 20px 60px #0000001a}.device-layer img{width:100%;height:auto;display:block;border-radius:32px}.feature-split{display:flex;flex-direction:column;padding:100px 20px;max-width:1200px;margin:0 auto;gap:40px}@media(min-width:900px){.feature-split{flex-direction:row;align-items:center;justify-content:space-between;gap:80px}.feature-split.reverse{flex-direction:row-reverse}.feature-text{flex:1;padding:40px}.feature-visual{flex:1}}.feature-text h3{font-size:clamp(32px,5vw,48px);font-weight:600;margin-bottom:24px;letter-spacing:-1px;color:var(--text-main)}.feature-text p{font-size:21px;color:var(--text-muted);line-height:1.5;font-weight:400}.feature-img-wrapper{position:relative;border-radius:20px;overflow:hidden;box-shadow:8px 8px #1a1a1a26;border:3px solid var(--border-color)}.feature-img-wrapper img{width:100%;height:auto;display:block}.final-pitch{padding:200px 20px;text-align:center;background:linear-gradient(to bottom,#EFEBE0,var(--bg-color))}.final-pitch h2{font-size:clamp(48px,10vw,96px);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-weight:700;margin-bottom:40px}.download-btn-large{display:inline-flex;align-items:center;gap:12px;background:var(--text-main);color:#fff;padding:16px 32px;border-radius:40px;font-size:21px;font-weight:600;text-decoration:none;border:2px solid var(--text-main);transition:transform .2s,box-shadow .2s;box-shadow:0 4px 12px #1a1a1a26}.download-btn-large:hover{transform:translateY(-4px);box-shadow:0 8px 24px #1a1a1a33}footer{padding:40px 20px;text-align:center;border-top:1px solid rgba(255,255,255,.1);color:var(--text-muted);font-size:14px}.sketch-card{background:#ffffffd9;border:2px solid #1A1A1A;border-radius:12px;padding:16px;color:#1a1a1a;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,sans-serif;width:100%;max-width:360px;margin:0 auto;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 20px 40px #00000026;text-align:left}.sketch-row{display:flex;justify-content:space-between;align-items:center}.sketch-label{font-size:14px;font-weight:500;color:#1a1a1a;display:block}.sketch-divider{height:1px;background:#1a1a1a1a;margin:14px 0}.sketch-input{width:100%;background:#fff;border:1.5px solid #1A1A1A;border-radius:6px;padding:10px 12px;font-size:14px;color:#1a1a1a;margin-top:8px;outline:none}.sketch-btn-group{display:flex;gap:6px}.sketch-btn{background:#fff6;border:1px solid #1A1A1A;border-radius:6px;padding:7px 12px;font-size:13px;color:#1a1a1a;display:flex;align-items:center;gap:4px}.sketch-btn.active{background:#fff;border:2px solid #1A1A1A;font-weight:700;box-shadow:0 2px 8px #0000001a}.sketch-flash-btn{background:var(--accent-glow);border:2px solid #1A1A1A;border-radius:6px;padding:7px 14px;font-size:13px;font-weight:500;color:#1a1a1a;display:flex;align-items:center;gap:5px}