@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,wght@0,400;0,600;0,700;1,400&family=Atkinson+Hyperlegible:wght@400;700&family=Fira+Code:wght@400;500&display=swap');
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Atkinson Hyperlegible',sans-serif;background:#f6f1e7;color:#1c2a3a;line-height:1.78}
a{color:#2a5298}a:hover{color:#1a3a6e}
::selection{background:#2a5298;color:#f6f1e7}

header{max-width:820px;margin:0 auto;padding:16px 20px;display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;border-bottom:2px solid #1c2a3a}
.logo{font-family:'Newsreader',serif;font-size:1.15rem;font-weight:700;color:#1c2a3a;text-decoration:none}
.logo span{font-weight:400;font-style:italic;color:#6a7a8a}
header nav a{font-size:.72rem;font-weight:700;color:#6a7a8a;text-decoration:none;margin-left:12px}
header nav a:hover{color:#2a5298}

.page{max-width:820px;margin:0 auto;padding:0 20px}

.hero{padding:48px 0 32px}
.hero h1{font-family:'Newsreader',serif;font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:700;line-height:1.15;margin-bottom:10px}
.hero h1 em{font-style:italic;color:#2a5298}
.hero>p{font-size:.95rem;color:#4a5a6a;max-width:560px}

.sect{padding:20px 0 36px;border-top:1px solid #d8ceb8}
.sect-label{font-family:'Fira Code',monospace;font-size:.58rem;font-weight:500;text-transform:uppercase;letter-spacing:3px;color:#8a9aaa;margin-bottom:16px}

.exp-card{border:1px solid #d8ceb8;border-radius:8px;padding:20px;margin-bottom:16px;background:#fdf8ee;transition:.15s}
.exp-card:hover{border-color:#2a5298;box-shadow:0 2px 12px rgba(42,82,152,.06)}
.exp-card h3{font-family:'Newsreader',serif;font-size:1.15rem;font-weight:700;margin-bottom:3px}
.exp-card h3 a{color:#1c2a3a;text-decoration:none}
.exp-card h3 a:hover{color:#2a5298}
.exp-card .tags{font-family:'Fira Code',monospace;font-size:.55rem;color:#8a9aaa;margin-bottom:6px}
.exp-card>p{font-size:.86rem;color:#4a5a6a;line-height:1.6}
.exp-card .meta{font-family:'Fira Code',monospace;font-size:.58rem;color:#aab8c8;margin-top:8px}

/* ARTICLE */
.art{padding:36px 0 48px}
.art .crumb{font-size:.76rem;color:#2a5298;text-decoration:none;display:block;margin-bottom:18px}
.art .label{font-family:'Fira Code',monospace;font-size:.58rem;text-transform:uppercase;letter-spacing:2px;color:#8a9aaa;margin-bottom:4px}
.art h1{font-family:'Newsreader',serif;font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700;line-height:1.15;margin-bottom:6px}
.art .byline{font-family:'Fira Code',monospace;font-size:.6rem;color:#aab8c8;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #d8ceb8}
.art p{font-size:.92rem;color:#2a3a4a;line-height:1.8;margin-bottom:14px}
.art h2{font-family:'Newsreader',serif;font-size:1.3rem;font-weight:700;margin:28px 0 10px;padding-top:18px;border-top:1px solid #e0d8c8}
.art h3{font-size:.95rem;font-weight:700;margin:18px 0 6px}
.art ul,.art ol{padding-left:20px;margin-bottom:14px}
.art li{font-size:.88rem;color:#3a4a5a;margin-bottom:5px;line-height:1.65}
.art blockquote{border-left:3px solid #2a5298;padding:10px 16px;margin:18px 0;font-family:'Newsreader',serif;font-style:italic;font-size:1rem;color:#3a4a5a;background:rgba(42,82,152,.03)}
.art .codeblock{font-family:'Fira Code',monospace;font-size:.76rem;background:#1c2a3a;color:#e8e4dc;padding:14px 16px;border-radius:4px;margin:14px 0;overflow-x:auto;line-height:1.6;white-space:pre}

.sim-frame{background:#1c2a3a;border-radius:6px;overflow:hidden;margin:18px 0}
.sim-frame canvas{width:100%;display:block}
.sim-bar{padding:8px 12px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sim-btn{font-family:'Fira Code',monospace;font-size:.62rem;font-weight:500;padding:4px 10px;background:#f6f1e7;color:#1c2a3a;border:0;cursor:pointer;border-radius:2px}
.sim-btn:hover{background:#fff}
.sim-btn.hi{background:#5b9bd5;color:#fff}
.sim-sc{font-family:'Fira Code',monospace;font-size:.68rem;color:#d8ceb8;margin-left:auto}

.note{background:#eee8d8;border:1px solid #d8ceb8;padding:12px 14px;margin:16px 0;border-radius:4px}
.note h4{font-family:'Fira Code',monospace;font-size:.62rem;text-transform:uppercase;letter-spacing:1px;color:#6a7a8a;margin-bottom:3px}
.note p{font-size:.84rem;color:#4a5a6a;margin-bottom:0}

footer{max-width:820px;margin:0 auto;padding:18px 20px;border-top:2px solid #1c2a3a;display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;font-family:'Fira Code',monospace;font-size:.52rem;color:#aab8c8}
footer a{color:#8a9aaa;text-decoration:none;margin-left:8px}
footer a:hover{color:#2a5298}
@media(max-width:600px){header{flex-direction:column;align-items:flex-start}header nav{margin-top:6px}}