:root{--bg:#111;--panel:#fff;--red:#ef1e25;--orange:#ff8a00;--ink:#333;--muted:#777;--wood1:#4a1f08;--wood2:#1f0e05;--line:#ece7df;--max:980px}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
a{color:#b84f00;text-decoration:none} a:hover{text-decoration:underline}
.shell{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 205px;min-height:100vh;border-left:1px solid #2c2c2c;border-right:1px solid #2c2c2c}
.main{background:#fff;min-width:0}.sidebar{background:linear-gradient(90deg,var(--wood1),#6b310b 48%,var(--wood2));color:#fff;padding:22px 18px;position:relative}
.brand{font-family:Georgia,serif;font-weight:900;font-size:42px;letter-spacing:2px;color:#fff;line-height:.8;margin:4px 0 8px}.brand small{display:block;font:11px Arial,sans-serif;letter-spacing:1px;margin-top:10px;text-align:right}
.tagline{font-size:11px;letter-spacing:.6px;text-align:center;margin-bottom:24px}.side-title{font-family:Georgia,serif;font-weight:700;text-align:center;border-top:1px solid rgba(255,255,255,.25);padding-top:14px;margin-top:16px}.side-nav a{display:block;color:#ff9b21;font-weight:700;font-size:12px;line-height:1.2;margin:10px 0;text-align:center}.side-nav small{display:block;color:#fff;font-weight:400;font-style:italic;font-size:10px;margin-top:2px}
.hero{background:var(--red);color:#fff;padding:30px 28px 24px;border-top:8px solid #f58b19}.hero h1{font-size:22px;line-height:1.2;margin:0 0 6px;font-weight:500}.hero .dek{font-size:14px;font-weight:700}.hero .by{font-size:11px;font-style:italic;margin-top:4px}
.content{padding:30px 28px 42px;max-width:720px}.content p{margin:0 0 15px}.content h2{font-family:Georgia,serif;margin-top:32px;font-size:22px;color:#222}.content h3{font-size:16px;margin-top:26px}.note{background:#fff7e9;border-left:4px solid var(--orange);padding:13px 15px;margin:18px 0;font-size:13px}.archive-badge{display:inline-block;background:#222;color:#fff;border-radius:999px;padding:4px 9px;font-size:11px;letter-spacing:.4px;margin-bottom:12px}.lede{font-size:18px;line-height:1.5;color:#444}.caption{font-size:11px;color:#666;border-top:1px solid #ddd;padding-top:6px;margin-top:8px}.rule{border:0;border-top:1px solid var(--line);margin:28px 0}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{border:1px solid var(--line);padding:18px;background:#fff}.card h2,.card h3{margin:0 0 8px;font-size:18px}.card p{font-size:13px;color:#666;margin:0}.kicker{color:#d15e00;font-weight:700;text-transform:uppercase;letter-spacing:.6px;font-size:11px}.home-hero{padding:54px 36px;background:linear-gradient(135deg,#ef1e25,#ff6a00);color:#fff}.home-hero h1{font:700 44px/1 Georgia,serif;margin:0 0 12px}.home-hero p{font-size:18px;max-width:620px}.home-section{padding:32px 36px}.home-section h2{font-family:Georgia,serif;font-size:28px}.meta{font-size:12px;color:#777;margin-bottom:20px}.footer{padding:25px 30px;background:#f5f1eb;font-size:12px;color:#666;border-top:1px solid #ddd}.pill{display:inline-block;border:1px solid #ddd;padding:5px 9px;border-radius:999px;margin:3px 4px 3px 0;font-size:12px;color:#555}.aprende-box{background:#f2fbff;border:1px solid #cfeaf6;padding:18px;margin:24px 0}.aprende-box a{font-weight:700;color:#006a93}
@media(max-width:780px){.shell{display:block}.sidebar{position:static}.brand{text-align:center}.brand small{text-align:center}.side-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.content{padding:24px 20px}.hero{padding:24px 20px}.home-hero{padding:40px 24px}.home-hero h1{font-size:36px}.home-section{padding:26px 22px}.cards{grid-template-columns:1fr}}