:root{--bg-deep: #06080f;--bg-card: rgba(15, 23, 42, .72);--border: rgba(148, 163, 184, .14);--text: #f1f5f9;--text-muted: #94a3b8;--accent: #38bdf8;--accent-2: #818cf8;--accent-glow: rgba(56, 189, 248, .35);--success: #34d399;--error: #f87171;--font-display: "Outfit", system-ui, sans-serif;--font-body: "DM Sans", system-ui, sans-serif;--radius: 14px;--header-h: 72px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--text);background:var(--bg-deep);-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3{font-family:var(--font-display);line-height:1.15;margin:0}a{color:var(--accent);text-decoration:none;transition:color .2s ease}a:hover{color:#7dd3fc}button,input,textarea{font-family:inherit;font-size:inherit}.app-shell{position:relative;flex:1;display:flex;flex-direction:column;overflow:hidden}.app-shell:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(56,189,248,.18),transparent),radial-gradient(ellipse 60% 40% at 100% 50%,rgba(129,140,248,.12),transparent),radial-gradient(ellipse 50% 30% at 0% 80%,rgba(56,189,248,.08),transparent);z-index:0}.grid-overlay{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:linear-gradient(rgba(148,163,184,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.04) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,black,transparent);mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,black,transparent);z-index:0}.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(1.25rem,4vw,2.5rem);border-bottom:1px solid var(--border);background:#06080fd1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:.65rem;font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--text);letter-spacing:-.02em}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;font-size:1rem;font-weight:800;color:var(--bg-deep)}.nav-tabs{display:flex;gap:.35rem;padding:.25rem;background:#0f172a99;border:1px solid var(--border);border-radius:999px}.nav-tab{padding:.5rem 1.1rem;border:none;border-radius:999px;background:transparent;color:var(--text-muted);font-weight:500;cursor:pointer;transition:color .2s ease,background .2s ease,box-shadow .2s ease}.nav-tab:hover{color:var(--text)}.nav-tab.active{color:var(--bg-deep);background:linear-gradient(135deg,var(--accent),#67e8f9);box-shadow:0 0 24px var(--accent-glow)}main{position:relative;z-index:1;flex:1;padding:clamp(2rem,6vw,4rem) clamp(1.25rem,4vw,2.5rem);max-width:1100px;margin:0 auto;width:100%}.hero{text-align:center;padding:clamp(1rem,4vw,3rem) 0}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;margin-bottom:1.5rem;font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:#38bdf81a;border:1px solid rgba(56,189,248,.25);border-radius:999px}.hero-badge:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.hero h1{font-size:clamp(2.25rem,6vw,3.75rem);font-weight:800;letter-spacing:-.03em;margin-bottom:1.25rem}.hero h1 span{background:linear-gradient(135deg,var(--text) 0%,var(--accent) 50%,var(--accent-2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-lead{max-width:36rem;margin:0 auto 2rem;font-size:clamp(1.05rem,2.5vw,1.25rem);color:var(--text-muted)}.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.6rem;border-radius:var(--radius);font-weight:600;cursor:pointer;border:none;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}.btn:active{transform:scale(.98)}.btn-primary{color:var(--bg-deep);background:linear-gradient(135deg,var(--accent),#67e8f9);box-shadow:0 4px 24px var(--accent-glow)}.btn-primary:hover{box-shadow:0 6px 32px var(--accent-glow)}.btn-ghost{color:var(--text);background:transparent;border:1px solid var(--border)}.btn-ghost:hover{border-color:#94a3b859;background:#0f172a80}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-top:3.5rem}.feature-card{padding:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:left}.feature-card h3{font-size:1.05rem;margin-bottom:.5rem}.feature-card p{margin:0;font-size:.95rem;color:var(--text-muted)}.feature-icon{font-size:1.5rem;margin-bottom:.75rem}.signup-panel{max-width:520px;margin:0 auto}.signup-panel h2{font-size:clamp(1.75rem,4vw,2.25rem);text-align:center;margin-bottom:.5rem}.signup-panel .subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem}.signup-form{padding:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.4rem;font-size:.9rem;font-weight:500;color:var(--text-muted)}.form-group input,.form-group textarea{width:100%;padding:.75rem 1rem;color:var(--text);background:#06080f99;border:1px solid var(--border);border-radius:10px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.form-group input:focus,.form-group textarea:focus{border-color:#38bdf880;box-shadow:0 0 0 3px #38bdf81f}.form-group textarea{min-height:120px;resize:vertical}.signup-form .btn-primary{width:100%;margin-top:.5rem}.signup-form .btn-primary:disabled{opacity:.6;cursor:not-allowed}.form-status{margin-top:1rem;padding:.75rem 1rem;border-radius:10px;font-size:.9rem;text-align:center}.form-status.success{color:var(--success);background:#34d3991a;border:1px solid rgba(52,211,153,.25)}.form-status.error{color:var(--error);background:#f871711a;border:1px solid rgba(248,113,113,.25)}.site-footer{position:relative;z-index:1;margin-top:auto;padding:2rem clamp(1.25rem,4vw,2.5rem);border-top:1px solid var(--border);background:#06080fe6;text-align:center}.site-footer p{margin:.35rem 0;font-size:.9rem;color:var(--text-muted)}.site-footer a{font-weight:500}@media(max-width:520px){.nav-tabs{width:100%;justify-content:center}.nav-tab{flex:1;text-align:center;padding:.5rem .75rem;font-size:.9rem}}