.landing-hero{position:relative;padding:100px 40px 80px;text-align:center;background-image:radial-gradient(circle,var(--border-2) 1px,transparent 1px);background-size:24px 24px}.landing-hero h1{font-family:var(--font-display);font-size:3.2rem;line-height:1.15;color:var(--text);max-width:700px;margin:0 auto}.landing-hero h1 em{font-style:italic;color:var(--accent)}.landing-hero .subtitle{color:var(--text-2);font-size:1.1rem;max-width:560px;margin:20px auto 0;line-height:1.7}.hero-buttons{display:flex;gap:12px;justify-content:center;margin-top:36px}.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:48px}.hero-stat{text-align:center}.hero-stat .num{font-family:var(--font-mono);font-size:1.4rem;color:var(--text);font-weight:500}.hero-stat .label{font-size:.8rem;color:var(--text-3);margin-top:4px}.problem-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:80px 60px;max-width:1100px;margin:0 auto;border-top:1px solid var(--border)}.problem-eyebrow{font-family:var(--font-mono);font-size:.75rem;color:var(--accent);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px}.problem-section h2{font-family:var(--font-display);font-size:2rem;color:var(--text);line-height:1.3}.problem-section p{color:var(--text-2);font-size:.95rem;line-height:1.8}.how-section{padding:80px 60px;max-width:1100px;margin:0 auto}.how-section>h2{font-family:var(--font-display);font-size:2rem;text-align:center;margin-bottom:48px}.how-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.how-card{background:var(--bg-2);border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:var(--radius-lg);padding:28px}.how-card .step{font-family:var(--font-mono);font-size:.75rem;color:var(--accent);margin-bottom:12px}.how-card h3{font-family:var(--font-display);font-size:1.2rem;margin-bottom:8px}.how-card p{color:var(--text-2);font-size:.85rem;line-height:1.7}.preview-section{padding:60px;max-width:800px;margin:0 auto}.preview-section h2{font-family:var(--font-display);font-size:1.6rem;text-align:center;margin-bottom:24px}.preview-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.preview-card .sentence{font-size:.95rem;line-height:1.8;margin-bottom:20px}.preview-labels{display:flex;gap:8px;flex-wrap:wrap}.preview-labels .label-badge.active{outline:2px solid;outline-offset:1px}.cta-section{text-align:center;padding:80px 40px;border-top:1px solid var(--border)}.cta-section h2{font-family:var(--font-display);font-size:2rem;margin-bottom:12px}.cta-section p{color:var(--text-2);margin-bottom:28px}.landing-footer{text-align:center;padding:24px;border-top:1px solid var(--border);color:var(--text-3);font-size:.8rem}@media (max-width: 768px){.landing-hero h1{font-size:2rem}.problem-section{grid-template-columns:1fr;gap:24px;padding:40px 24px}.how-cards{grid-template-columns:1fr}.hero-stats{flex-direction:column;gap:16px}.nav{padding:12px 20px}.landing-hero{padding:60px 20px 40px}}:root{--bg: #0a0e1a;--bg-2: #111827;--bg-3: #1a2235;--border: #1e2d47;--border-2: #2a3d5a;--text: #e8eef8;--text-2: #8da0bb;--text-3: #4d6480;--accent: #4f9cf9;--accent-glow: rgba(79,156,249,.15);--green: #34d399;--amber: #fbbf24;--red: #f87171;--purple: #a78bfa;--font-display: "DM Serif Display", serif;--font-body: "DM Sans", sans-serif;--font-mono: "DM Mono", monospace;--radius: 8px;--radius-lg: 14px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.entity-a{color:var(--accent);background:#4f9cf91f;border-bottom:2px solid var(--accent);font-family:var(--font-mono);padding:1px 4px;border-radius:3px}.entity-b{color:var(--green);background:#34d3991f;border-bottom:2px solid var(--green);font-family:var(--font-mono);padding:1px 4px;border-radius:3px}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-family:var(--font-body);font-size:.9rem;font-weight:500;border:1px solid var(--border-2);background:transparent;color:var(--text);cursor:pointer;transition:all .2s}.btn:hover{background:var(--bg-3);border-color:var(--text-3)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:#3b8ae8;border-color:#3b8ae8}.btn-primary:disabled{background:var(--accent);opacity:.4}.btn-secondary{border:1px solid var(--border-2);color:var(--text-2)}.btn-secondary:hover{color:var(--text);border-color:var(--accent)}.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 40px;border-bottom:1px solid var(--border);background:#0a0e1ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:100}.nav-logo{font-family:var(--font-display);font-size:1.3rem;color:var(--text);cursor:pointer}.nav-logo span{color:var(--accent)}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--text-2);font-size:.9rem;font-weight:400;transition:color .2s}.nav-links a:hover{color:var(--text);text-decoration:none}.label-badge{display:inline-block;padding:4px 10px;border-radius:4px;font-family:var(--font-mono);font-size:.75rem;font-weight:500;border:1px solid}.label-INHIBITOR{color:#f87171;border-color:#f871714d;background:#f871711a}.label-AGONIST{color:#34d399;border-color:#34d3994d;background:#34d3991a}.label-ANTAGONIST{color:#a78bfa;border-color:#a78bfa4d;background:#a78bfa1a}.label-ACTIVATOR{color:#4f9cf9;border-color:#4f9cf94d;background:#4f9cf91a}.label-SUBSTRATE{color:#fbbf24;border-color:#fbbf244d;background:#fbbf241a}.label-DOWNREGULATOR{color:#fb923c;border-color:#fb923c4d;background:#fb923c1a}.label-UPREGULATOR{color:#60a5fa;border-color:#60a5fa4d;background:#60a5fa1a}.label-INDIRECT-DOWNREGULATOR,.label-INDIRECT-UPREGULATOR{color:#94a3b8;border-color:#94a3b84d;background:#94a3b81a}.label-PRODUCT-OF{color:#c4b5fd;border-color:#c4b5fd4d;background:#c4b5fd1a}.label-SUBSTRATE_PRODUCT-OF{color:#fbbf24;border-color:#fbbf244d;background:#fbbf241a}.label-AGONIST-INHIBITOR{color:#fca5a5;border-color:#fca5a54d;background:#fca5a51a}.label-AGONIST-ACTIVATOR{color:#6ee7b7;border-color:#6ee7b74d;background:#6ee7b71a}.label-OTHER{color:#6b7280;border-color:#6b72804d;background:#6b72801a}