/* Site styles. Colors & fonts come from theme.css (generated from site.config.json). */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  min-height: 100dvh; display: flex; flex-direction: column;
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.65;
  color: var(--color-text); background: var(--color-bg);
}
img, svg, iframe { max-width: 100%; }
img { height: auto; border-radius: 12px; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.15; text-wrap: balance; color: var(--color-text); }
h1 { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.4rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); margin: 3rem 0 1rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.5rem; }
p, li { max-width: 70ch; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.25rem; margin: 0 0 1rem; }
li { margin: 0.35rem 0; }
code { font-family: Menlo, Consolas, monospace; font-size: 0.9em; background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: 6px; padding: 0.1em 0.35em; }
pre { background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: 12px; padding: 1rem 1.25rem; overflow-x: auto; margin: 0 0 1.25rem; }
pre code { background: none; border: none; padding: 0; }
blockquote { border-left: 3px solid var(--color-primary); padding: 0.25rem 0 0.25rem 1rem; color: var(--color-text-muted); margin: 0 0 1rem; }
hr { border: none; border-top: 1px solid var(--color-divider); margin: 2.5rem 0; }

.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 24px; }
main.container { flex: 1; padding-top: 3rem; padding-bottom: 4rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner { max-width: 1160px; margin: 0 auto; padding: 0.75rem 24px; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.brand { font-family: var(--font-display); font-size: 1.2rem; color: var(--color-text); text-decoration: none; white-space: nowrap; }
.brand span { font-family: var(--font-body); font-size: 0.72rem; color: var(--color-text-muted); margin-left: 0.5rem; letter-spacing: 0.04em; text-transform: uppercase; }
.site-header nav { display: flex; gap: 0.25rem; flex-wrap: wrap; margin-left: auto; }
.site-header nav a { font-size: 0.9rem; color: var(--color-text-muted); text-decoration: none; padding: 0.4rem 0.65rem; border-radius: 999px; }
.site-header nav a:hover { color: var(--color-text); background: var(--color-surface-2); }
.site-header nav a.active { color: var(--color-primary); background: var(--color-primary-soft); }
#theme-toggle { cursor: pointer; background: none; border: 1px solid var(--color-border); color: var(--color-text-muted); border-radius: 999px; width: 2.2rem; height: 2.2rem; font-size: 1rem; flex-shrink: 0; }
#theme-toggle:hover { color: var(--color-text); }

/* ---------- hero ---------- */
.hero { padding: 2.5rem 0 1rem; }
.eyebrow { font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 1rem; }
.hero h1 em { font-style: italic; color: var(--color-primary); }
.lead { font-size: 1.2rem; color: var(--color-text-muted); }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.button { display: inline-block; background: var(--color-primary); color: var(--color-bg); text-decoration: none; padding: 0.6rem 1.2rem; border-radius: 999px; font-size: 0.95rem; }
.button:hover { background: var(--color-primary-hover); color: var(--color-bg); }
.button.ghost { background: transparent; color: var(--color-primary); border: 1px solid var(--color-border); }
.button.ghost:hover { border-color: var(--color-primary); }

/* ---------- cards ---------- */
.card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 1.5rem 0; }
.card { display: block; background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: 12px; padding: 1.25rem; text-decoration: none; color: var(--color-text); transition: box-shadow 0.18s ease, border-color 0.18s ease; }
a.card:hover { border-color: var(--color-primary); box-shadow: 0 4px 16px rgb(0 0 0 / 0.07); }
.card h3 { margin-top: 0.35rem; }
.card p { color: var(--color-text-muted); font-size: 0.95rem; margin: 0.25rem 0 0.5rem; }
.badge { display: inline-block; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-primary); background: var(--color-primary-soft); border-radius: 999px; padding: 0.15rem 0.6rem; }
.card-meta { font-size: 0.8rem; color: var(--color-text-muted); margin: 0.4rem 0 0; }
.progress { height: 6px; background: var(--color-divider); border-radius: 999px; overflow: hidden; margin-top: 0.75rem; }
.progress-bar { height: 100%; background: var(--color-primary); border-radius: 999px; }

/* ---------- blog ---------- */
.post-list { display: flex; flex-direction: column; gap: 12px; margin: 1.5rem 0; }
.post-item { display: block; background: var(--color-surface-2); border: 1px solid var(--color-divider); border-radius: 12px; padding: 1.1rem 1.25rem; text-decoration: none; color: var(--color-text); }
.post-item:hover { border-color: var(--color-primary); }
.post-item h3 { margin: 0.25rem 0 0.25rem; }
.post-item p { color: var(--color-text-muted); font-size: 0.95rem; margin: 0.25rem 0 0; }
.post-date { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.post h1 { margin: 0.35rem 0 0.75rem; }
.tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.tag { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); border: 1px solid var(--color-border); border-radius: 999px; padding: 0.12rem 0.55rem; }
.embed { position: relative; aspect-ratio: 16 / 9; margin: 0 0 1.25rem; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 12px; }
figure { margin: 0 0 1.25rem; }
figcaption { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.5rem; }
.muted { color: var(--color-text-muted); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--color-divider); padding: 1.5rem 0; font-size: 0.85rem; color: var(--color-text-muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: var(--color-text-muted); }
.site-footer a:hover { color: var(--color-text); }

@media (max-width: 640px) {
  .header-inner { padding: 0.6rem 16px; }
  .brand { order: 1; }
  .brand span { display: none; }
  #theme-toggle { order: 2; margin-left: auto; width: 2rem; height: 2rem; }
  .site-header nav { order: 3; width: 100%; margin-left: 0; gap: 0.1rem; }
  .site-header nav a { padding: 0.3rem 0.55rem; font-size: 0.88rem; }
  .container { padding: 0 16px; }
  main.container { padding-top: 2rem; }
}