:root{--bg:#F3F5F7;--surface:#FFFFFF;--ink:#0E1A2B;--muted:#46536A;--line:#DCE1E8;--accent:#1F6B52;--accent-ink:#FFFFFF;--accent-soft:#E3F0EA;--accent-line:#C8E0D3;--user-bg:#0E1A2B;--user-ink:#F3F5F7;--dark-band:#0E1A2B;--dark-band-ink:#F3F5F7;--dark-band-muted:#C9D1DC;--dark-band-card:#18273D;--danger:#A3352B;--display:"Archivo","Helvetica Neue",Arial,sans-serif;--body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--size:18px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0B1420;--surface:#132033;--ink:#E9EEF4;--muted:#A3B0C2;--line:#24354D;--accent:#3FA37E;--accent-ink:#06120D;--accent-soft:#16312A;--accent-line:#24493D;--user-bg:#E9EEF4;--user-ink:#0B1420;--dark-band:#060D16;--dark-band-card:#132033;--danger:#F08A7E;color-scheme:dark}}*{box-sizing:border-box}body,html{margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:var(--size);line-height:1.6;-webkit-font-smoothing:antialiased}body.big{--size:21px}a{color:inherit}button,input,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}h1,h2,h3{font-family:var(--display);text-wrap:balance}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.gutter{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}.wrap{max-width:1200px;margin:0 auto}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}.mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:20px}.mark,.word{font-family:var(--display);font-weight:800}.word{font-size:26px;letter-spacing:-.02em}.btn{min-height:52px;padding:0 26px;border-radius:12px;font-weight:600;font-size:18px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;border:1.5px solid transparent}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--ink)}.btn-small{min-height:44px;padding:0 18px;font-size:16px;border-radius:10px}.eyebrow{margin:0 0 14px;font-weight:600;font-size:15px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.h2{margin:0;font-weight:800;font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.1;letter-spacing:-.02em}.lead{color:var(--muted);font-size:20px;max-width:62ch}