.app{display:flex;flex-direction:column;min-height:100vh}.section-title{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:1.1rem;font-weight:600}.kbd{padding:2px 8px;border:1px solid rgba(255,255,255,.15);border-radius:8px;background:rgba(255,255,255,.06);font-size:.8rem}:root{--bg: #141815;--text: #e0e6df;--muted: #949993;--card: #1c211e;--accent-1: #6b9071;--accent-2: #b5e4c0;--accent-3: #b5e4c0;--accent-4: #6b9071}*{box-sizing:border-box}.main-content-wrapper{display:flex;justify-content:center}html,body,#root{height:100%}body{margin:0;color:var(--text);background:radial-gradient(1200px 800px at 50% -10%,rgba(132,169,140,.15),transparent 60%) var(--bg);background-repeat:no-repeat;background-attachment:fixed;font-family:Poppins,Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:0 auto}nav{position:sticky;top:0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(11,15,22,.6);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.brand{font-weight:700;font-size:1.25rem;letter-spacing:.5px}.badge{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;background:linear-gradient(135deg,rgba(123,97,255,.25),rgba(0,212,255,.25));border:1px solid rgba(255,255,255,.12);border-radius:999px;font-size:.9rem}.hero{padding:72px 0 48px}.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;place-items:center}.title{font-size:clamp(1.4rem,2.5vw,2rem);line-height:1.2;font-weight:700;margin:8px 0 12px}.subtitle{color:var(--muted);font-size:1.05rem}.cta-row{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}.btn{padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.12);color:var(--text);display:inline-flex;align-items:center;gap:10px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn-primary{background:linear-gradient(135deg,var(--accent-1),var(--accent-3));box-shadow:0 10px 30px #7b61ff40}.btn-ghost{background:rgba(255,255,255,.04)}.btn-ghost-chess{background:rgba(37,123,5,.04)}.btn:hover{transform:translateY(-1px)}.sections{display:grid;gap:20px;margin:24px 0 60px}.text-center{text-align:center}.center{justify-content:center}.prose ul{margin:8px 0;padding-left:18px;display:inline-block;text-align:left}.duo-streak{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:linear-gradient(135deg,#ff9800,#ff5722);box-shadow:0 8px 20px #ff572240}.duo-flame{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,#fff3e0,#ffb300);color:#ff5722;font-size:16px}.duo-streak-number{font-weight:800;font-size:1.1rem}.duo-subtext{opacity:.9;font-size:.9rem}.stat-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px}.card h3{margin:0 0 10px}.card p{margin:0;color:var(--muted)}.card-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.card-4{grid-column:span 4}.card-6{grid-column:span 6}.card-8{grid-column:span 8}.card-12{grid-column:span 12}@media (max-width: 900px){.hero-grid{grid-template-columns:1fr;place-items:center}.card-grid{display:flex;flex-direction:column}.card-4,.card-6,.card-8{grid-column:span 12}}.footer{color:var(--muted);padding:24px 0 48px;font-size:.9rem;border-top:1px solid rgba(255,255,255,.06);margin-top:24px;text-align:center}