:root{--bg:#faf9f7;--bg-alt:#f2f0ed;--surface:#ffffff;--surface2:#f0ebe4;--border:rgba(0,194,184,.15);--border2:#e0d8cf;--border3:rgba(0,194,184,.32);--sky:#00C2B8;--sky-dark:#0a8a82;--text:#242220;--muted:#7a6e68;--dim:#8a7165;--font:"Inter",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--mono:"JetBrains Mono","SF Mono",Consolas,monospace;--r:8px;--rxl:12px;--max:900px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--sky-dark);text-decoration:none}a:hover{text-decoration:underline}main{max-width:var(--max);margin:0 auto;padding:104px 24px 96px}.hero-eyebrow{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--sky);margin-bottom:14px}h1{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:18px;max-width:760px}.hero-sub{font-size:1.06rem;color:var(--muted);max-width:680px;line-height:1.65;margin-bottom:14px}.hero-detail{font-size:.95rem;color:var(--text);max-width:700px;line-height:1.7;margin-bottom:30px}.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:var(--sky);color:#0a0a08;border-radius:var(--r);font-size:.9rem;font-weight:700;text-decoration:none;transition:opacity .15s}.btn-primary:hover{opacity:.88;text-decoration:none}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:transparent;color:var(--text);border:1px solid var(--border2);border-radius:var(--r);font-size:.9rem;font-weight:600;text-decoration:none;transition:border-color .15s}.btn-secondary:hover{border-color:var(--sky);text-decoration:none}.section{margin-top:64px}h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}.section-sub{font-size:.95rem;color:var(--muted);margin-bottom:28px;max-width:680px;line-height:1.6}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}@media(max-width:920px){.concept-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.concept-grid{grid-template-columns:1fr}}.concept-card{background:var(--surface);border:1px solid var(--border2);border-radius:var(--rxl);padding:22px}.concept-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}.concept-card p{font-size:.88rem;color:var(--muted);line-height:1.65}.build-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}@media(max-width:680px){.build-grid{grid-template-columns:1fr}}.build-card{background:var(--surface);border:1px solid var(--border2);border-radius:var(--rxl);padding:24px 22px}.build-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}.build-card p{font-size:.88rem;color:var(--muted);line-height:1.65}.tri-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}@media(max-width:680px){.tri-grid{grid-template-columns:1fr}}.tri-card{background:var(--surface);border:1px solid var(--border2);border-radius:var(--rxl);padding:22px}.tri-card h3{font-size:.96rem;font-weight:700;margin-bottom:12px;letter-spacing:-.01em}.tri-card ul{list-style:none}.tri-card ul li{font-size:.88rem;color:var(--muted);padding:3px 0 3px 16px;position:relative;line-height:1.55}.tri-card ul li:before{content:"·";position:absolute;left:4px;color:var(--sky);font-weight:700;font-size:1.1rem;line-height:1}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}@media(max-width:920px){.mode-grid{grid-template-columns:1fr}}.mode-card{background:var(--surface);border:1px solid var(--border2);border-radius:var(--rxl);padding:22px}.mode-card .mode-tag{font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--sky);margin-bottom:8px}.mode-card h3{font-size:1rem;font-weight:700;margin-bottom:10px}.mode-card p{font-size:.88rem;color:var(--muted);line-height:1.65}.mode-footer{font-size:.92rem;color:var(--text);margin-top:16px;padding:14px 18px;background:var(--surface);border-left:3px solid var(--sky);border-radius:0 var(--r) var(--r) 0;max-width:720px}.evaluator-box{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--sky);border-radius:0 var(--rxl) var(--rxl) 0;padding:28px;margin-top:20px;max-width:760px}.evaluator-box h3{font-size:1.1rem;font-weight:700;margin-bottom:12px}.evaluator-box p{font-size:.95rem;color:var(--muted);line-height:1.7;margin-bottom:18px}.evaluator-cta-row{display:flex;gap:12px;flex-wrap:wrap}.final-cta{text-align:center;margin-top:64px;padding:48px 32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--rxl)}.final-cta h2{font-size:1.4rem;margin-bottom:10px}.final-cta p{color:var(--muted);font-size:.95rem;margin-bottom:24px;max-width:600px;margin-left:auto;margin-right:auto}