:root{--bg: #ffffff;--panel: #f7f7fb;--text: #16181d;--muted: #6b7280;--accent: #6c63ff;--accent-contrast: #ffffff;--border: #e6e8ee}:root[data-theme=dark]{--bg: #0b0b0f;--panel: #121218;--text: #e6e6ea;--muted: #9aa0a6;--accent: #6c63ff;--accent-contrast: #ffffff;--border: #1f2330}#root{min-height:100dvh;background:radial-gradient(1200px 800px at 80% -10%,color-mix(in oklab,var(--panel),transparent 35%) 0%,transparent 60%),radial-gradient(1000px 600px at -10% 10%,color-mix(in oklab,var(--panel),transparent 40%) 0%,transparent 50%),var(--bg);color:var(--text)}.app-container{display:grid;grid-template-rows:auto 1fr auto;min-height:100dvh}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,color-mix(in oklab,var(--panel),transparent 40%),transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.brand{font-weight:700;letter-spacing:.4px}.nav{display:flex;gap:16px}.nav a{color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}.hero{display:grid;place-items:center;text-align:center;padding:96px 24px}.hero__title{margin:0;font-size:clamp(36px,6vw,64px);line-height:1.1}.hero__subtitle{margin:16px 0 32px;color:var(--muted);font-size:clamp(16px,2.5vw,20px)}.hero__cta{display:inline-block;padding:12px 20px;border-radius:10px;background:linear-gradient(180deg,#7a73ff,#5b52ff);color:var(--accent-contrast);border:1px solid rgba(255,255,255,.08);box-shadow:0 10px 30px #5c52ff59}.hero__cta:hover{filter:brightness(1.05)}.footer{margin-top:auto;border-top:1px solid var(--border);padding:24px;color:var(--muted);text-align:center}.theme-toggle{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px}.theme-switch{position:relative;width:54px;height:30px;border-radius:999px;border:1px solid var(--border);background:var(--panel);display:inline-flex;align-items:center;padding:0 6px}.theme-switch__thumb{position:relative;left:0;width:22px;height:22px;border-radius:50%;background:var(--bg);color:var(--text);display:grid;place-items:center;transition:transform .16s ease}.theme-switch[data-checked=true] .theme-switch__thumb{transform:translate(22px)}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:0 24px 64px;max-width:1100px;margin:0 auto}.feature{border:1px solid var(--border);border-radius:12px;padding:18px;background:var(--panel)}.feature h3{margin:0 0 8px;font-size:18px}.feature p{margin:0;color:var(--muted)}@media (max-width: 900px){.features{grid-template-columns:1fr}}:root{color-scheme:light dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}a{text-decoration:none}