/* The blog's pages share this file because they are generated (scripts/build-blog.js).
   Tokens and base rules match website/aaism-exam.html. */
@font-face {
  font-family: "DM Sans";
  src: url("/assets/fonts/dm-sans.woff2") format("woff2-variations"),
       url("/assets/fonts/dm-sans.woff2") format("woff2");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ground: #EEF0F6;
  --card: #FFFFFF;
  --text: #121526;
  --text-2: #555B70;
  --text-3: #646A80;
  --rule: rgba(18, 21, 38, 0.10);
  --rule-strong: rgba(18, 21, 38, 0.18);
  --blue: #0F62FE;
  --shadow-card: 0 1px 2px rgba(18, 21, 38, 0.05), 0 12px 32px -12px rgba(18, 21, 38, 0.16);
  --ease-out: cubic-bezier(0.2, 0, 0, 1);
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1240px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ground: #0B0D14;
    --card: #151926;
    --text: #EEF0F6;
    --text-2: #A7ADBF;
    --text-3: #8A90A3;
    --rule: rgba(255, 255, 255, 0.07);
    --rule-strong: rgba(255, 255, 255, 0.14);
    --shadow-card: 0 0 0 1px rgba(255, 255, 255, 0.06);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ground: #0B0D14; --card: #151926;
  --text: #EEF0F6; --text-2: #A7ADBF; --text-3: #8A90A3;
  --rule: rgba(255, 255, 255, 0.07); --rule-strong: rgba(255, 255, 255, 0.14);
  --shadow-card: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-optical-sizing: auto; font-size: 17px; line-height: 1.6;
  font-feature-settings: "tnum" 1; -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(91, 75, 245, 0.28); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
a { color: var(--text); font-weight: 600; text-underline-offset: 0.2em; text-decoration-thickness: 1px; text-decoration-color: var(--rule-strong); }
a:hover { text-decoration-color: currentColor; }
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 var(--gutter); }

.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in oklab, var(--ground) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--rule); }
.nav .wrap { max-width: var(--max); display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: -0.03em; }
.brand svg { width: 30px; height: 30px; }
.home { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 0 18px 0 14px; border-radius: 999px;
  background: var(--card); box-shadow: var(--shadow-card); color: var(--text); font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform 340ms var(--ease-out); }
.home:hover { transform: translateX(-2px); }
.home svg { width: 16px; height: 16px; }

main { padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 96px); }
h1 { margin: 0 0 10px; font-size: clamp(2.3rem, 5vw, 3.4rem); line-height: 1.04; letter-spacing: -0.03em; font-weight: 700; text-wrap: balance; }
h2 { margin: 52px 0 14px; font-size: 1.45rem; line-height: 1.2; letter-spacing: -0.02em; font-weight: 700; }
p, li { color: var(--text-2); text-wrap: pretty; }
p { margin: 0 0 16px; }
strong { color: var(--text); font-weight: 600; }
.sub { color: var(--text-3); font-size: 15px; margin-bottom: 36px; }
.lede { font-size: 1.15rem; margin: 18px 0 36px; }

.entry { padding: 24px 0; border-top: 1px solid var(--rule-strong); }
.entry h2 { margin: 0 0 8px; font-size: 1.45rem; }
.entry h2 a { font-weight: 700; text-decoration: none; }
.entry h2 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.entry p:last-child { margin: 0; }
.entry .meta { margin: 0 0 6px; color: var(--text-3); font-size: 14px; }
.more { margin-top: 52px; }
.more h2:first-child { margin: 0 0 16px; }

.prose ul, .prose ol { padding-left: 1.2rem; margin: 0 0 16px; }
.prose li { margin: 8px 0; }
.prose li::marker { color: var(--text-3); }
.prose hr { border: 0; border-top: 1px solid var(--rule-strong); margin: 40px 0; }
.prose h3 { margin: 32px 0 10px; font-size: 1.15rem; letter-spacing: -0.01em; }

/* The widest table here has five columns of real text, so it scrolls inside its own box
   on a phone rather than squeezing every cell or moving the page. */
.table { overflow-x: auto; margin: 8px 0 20px; }
table { width: 100%; min-width: 44rem; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--rule-strong); color: var(--text-2); }
th { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--text-3); }
td:first-child { color: var(--text); font-weight: 600; }

.card { background: var(--card); box-shadow: var(--shadow-card); border-radius: 24px; padding: 24px 28px; margin: 40px 0 0; }
.card h2 { margin: 0 0 8px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 20px; }
.cta .play { display: inline-block; line-height: 0; border-radius: 12px; }
.cta .play img { height: 56px; width: auto; }
.cta p { margin: 0; font-size: 15px; }

footer { border-top: 1px solid var(--rule); padding: 36px 0 52px; }
footer p { font-size: 13px; color: var(--text-3); line-height: 1.6; max-width: 70ch; }
footer nav { display: flex; flex-wrap: wrap; gap: 0 24px; margin-bottom: 18px; font-size: 14px; }
footer nav a { font-weight: 500; color: var(--text-2); text-decoration: none; padding: 10px 0; }
footer nav a:hover { color: var(--text); text-decoration: underline; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .card { padding: 20px; border-radius: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .home { transition: none; }
}