:root{--bg: #1a1a1a;--panel: #242424;--panel-2: #2d2d2d;--border: #3a3a3a;--fg: #f5f5f5;--muted: #9ca3af;--accent: #4ade80;--accent-dark: #052e16;--warn: #fbbf24;--danger: #f87171}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3{line-height:1.15;letter-spacing:-.02em}h2{font-size:clamp(1.8rem,4.5vw,2.6rem);text-align:center;margin-bottom:3rem}.accent{color:var(--accent)}em{font-style:normal;color:var(--accent)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}.nav{position:sticky;top:0;z-index:50;background:#1a1a1ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{max-width:1100px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;gap:2rem}.brand{font-size:1.4rem;font-weight:800;color:var(--fg);text-decoration:none}.brand-dot{color:var(--accent)}.nav-links{display:flex;gap:1.5rem;margin-right:auto}.nav-links a{color:var(--muted);text-decoration:none;font-size:.95rem;transition:color .2s}.nav-links a:hover{color:var(--fg)}@media(max-width:640px){.nav-links{display:none}.nav-inner{justify-content:space-between}}.btn{display:inline-block;text-decoration:none;font-weight:700;padding:.85rem 2rem;border-radius:.75rem;transition:transform .15s ease,box-shadow .15s ease,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--accent);color:var(--accent-dark);box-shadow:0 0 24px #4ade8040}.btn-primary:hover{box-shadow:0 0 36px #4ade8073}.btn-outline{border:1px solid var(--accent);color:var(--accent)}.btn-outline:hover{background:#4ade801a}.btn-ghost{color:var(--fg);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{padding:.5rem 1.2rem;font-size:.9rem}.btn-lg{padding:1rem 3rem;font-size:1.15rem}.cta-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.hero{position:relative;text-align:center;padding:6rem 1.5rem 4rem;max-width:860px;margin:0 auto}.hero-glow{position:absolute;top:-20%;left:50%;transform:translate(-50%);width:700px;height:500px;pointer-events:none;background:radial-gradient(ellipse,rgba(74,222,128,.13) 0%,transparent 65%);animation:pulse 6s ease-in-out infinite}@keyframes pulse{50%{opacity:.55}}.eyebrow{color:var(--accent);font-size:.8rem;font-weight:700;letter-spacing:.25em;margin-bottom:1.2rem}.hero h1{font-size:clamp(2.6rem,7vw,4.2rem);margin-bottom:1.5rem}.sub{color:var(--muted);font-size:1.15rem;max-width:620px;margin:0 auto 2.5rem;text-align:center}.hero-note{color:var(--muted);font-size:.85rem;margin-top:1.2rem}.hero-mock{margin:4rem auto 0;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:1.25rem;overflow:hidden;box-shadow:0 24px 80px #00000080}.mock-topbar{display:flex;gap:6px;padding:.8rem 1rem;border-bottom:1px solid var(--border)}.mock-topbar span{width:10px;height:10px;border-radius:50%;background:var(--border)}.mock-topbar span:first-child{background:var(--accent)}.mock-body{padding:1rem;display:flex;flex-direction:column;gap:.8rem}.mock-spool{display:flex;align-items:center;gap:1rem;background:var(--panel-2);border-radius:.9rem;padding:.8rem 1rem}.mock-ring{width:54px;height:54px;border-radius:50%;flex-shrink:0;background:conic-gradient(var(--col) calc(var(--pct) * 1%),var(--border) 0);display:grid;place-items:center;position:relative}.mock-ring:before{content:"";position:absolute;top:6px;right:6px;bottom:6px;left:6px;border-radius:50%;background:var(--panel-2)}.mock-ring span{position:relative;font-size:.75rem;font-weight:700}.mock-label{text-align:left}.mock-label strong{display:block;font-size:.95rem}.mock-label em{color:var(--muted);font-size:.8rem}.features{padding:5rem 1.5rem;max-width:1100px;margin:0 auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.25rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:1rem;padding:1.75rem;transition:border-color .25s,transform .25s}.card:hover{border-color:var(--accent);transform:translateY(-4px)}.card-icon{font-size:1.8rem;margin-bottom:.9rem}.card h3{font-size:1.15rem;margin-bottom:.5rem}.card p{color:var(--muted);font-size:.95rem}.how{padding:5rem 1.5rem;max-width:900px;margin:0 auto}.steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;text-align:center}.step-num{display:inline-grid;place-items:center;width:3rem;height:3rem;border-radius:50%;background:#4ade801f;color:var(--accent);font-weight:800;font-size:1.3rem;margin-bottom:1rem}.steps h3{margin-bottom:.4rem}.steps p{color:var(--muted);font-size:.95rem}.scale-cta{padding:5rem 1.5rem}.scale-inner{max-width:1000px;margin:0 auto;background:linear-gradient(135deg,var(--panel) 0%,#1f2b22 100%);border:1px solid var(--border);border-radius:1.5rem;padding:3rem;display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center}@media(max-width:760px){.scale-inner{grid-template-columns:1fr}}.scale-copy h2{text-align:left;margin-bottom:1rem}.sub-left{color:var(--muted);margin-bottom:1.5rem}.scale-list{list-style:none;margin-bottom:2rem}.scale-list li{padding-left:1.6rem;position:relative;margin-bottom:.5rem;color:var(--fg)}.scale-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}.scale-cta .cta-row{justify-content:flex-start}.scale-visual{display:grid;place-items:center}.scale-device{text-align:center;animation:float 5s ease-in-out infinite}@keyframes float{50%{transform:translateY(-10px)}}.scale-screen{width:220px;height:150px;margin:0 auto;background:#0d0d0d;border:2px solid var(--border);border-radius:1rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;box-shadow:0 0 40px #4ade8026}.scale-weight{font-size:2.6rem;font-weight:800;color:var(--accent)}.scale-weight em{font-size:1.2rem;color:var(--muted)}.scale-material{color:var(--muted);font-size:.8rem}.scale-base{width:260px;height:26px;margin:.6rem auto 0;background:var(--panel-2);border:1px solid var(--border);border-radius:.6rem}.final{padding:6rem 1.5rem;text-align:center}.footer{border-top:1px solid var(--border);padding:2rem 1.5rem}.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--muted);font-size:.85rem}.footer nav{display:flex;gap:1.25rem}.footer a{color:var(--muted);text-decoration:none}.footer a:hover{color:var(--accent)}