/* Layout and components. Uses theme variables only — never a raw color or font name here.
   To restyle the site, edit theme.css. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--color-primary); text-underline-offset: 0.2em; }
a:hover { color: var(--color-primary-strong); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  letter-spacing: var(--heading-tracking);
  line-height: 1.15;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: calc(clamp(2rem, 6vw, 3.5rem) * var(--heading-scale)); }
h2 { font-size: calc(clamp(1.5rem, 4vw, 2.25rem) * var(--heading-scale)); }
h3 { font-size: calc(1.25rem * var(--heading-scale)); }
p { margin: 0; max-width: 65ch; }

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--color-primary); color: var(--color-on-primary); padding: 8px 14px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }
.eyebrow { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); }
.draft { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-muted); }

/* header */
.site-header { border-bottom: 1px solid var(--color-line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-block: 14px; }
.brand { font-family: var(--font-heading); font-weight: var(--heading-weight); font-size: calc(1.15rem * var(--heading-scale)); letter-spacing: var(--heading-tracking); color: var(--color-text); text-decoration: none; }
.brand span { color: var(--color-accent); }
nav ul { display: flex; flex-wrap: wrap; gap: 4px 20px; list-style: none; margin: 0; padding: 0; }
nav a { display: inline-block; padding: 10px 2px; min-height: 44px; color: var(--color-text); text-decoration: none; font-weight: 600; border-bottom: 3px solid transparent; }
nav a:hover, nav a[aria-current="page"] { border-bottom-color: var(--color-accent); color: var(--color-text); }

/* sections */
section { padding-block: clamp(40px, 8vw, 80px); }
.alt { background: var(--color-surface); }
.hero { padding-block: clamp(56px, 12vw, 120px); }
.hero .wrap { display: grid; gap: 24px; }
.hero p.lead { font-size: 1.25rem; color: var(--color-muted); }
.hero h1 em { font-style: normal; color: var(--color-primary); box-shadow: inset 0 -0.35em 0 var(--color-accent); }
.section-head { display: grid; gap: 8px; margin-bottom: 32px; }

/* buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 2px solid var(--color-primary); }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-strong); border-color: var(--color-primary-strong); color: var(--color-on-primary); }
.btn-ghost { background: transparent; color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-accent-surface); color: var(--color-primary); }

/* cards */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--color-bg); border: 1px solid var(--color-line); border-radius: 16px; padding: 24px; display: grid; gap: 12px; align-content: start; }
.alt .card { background: var(--color-bg); }
.card .tag { justify-self: start; font-family: var(--font-mono); font-size: 0.75rem; padding: 3px 10px; border-radius: 999px; background: var(--color-third-surface); color: var(--color-third); }
.card.accent { border-top: 6px solid var(--color-accent); }
.card ul { margin: 0; padding-left: 1.2em; }
.links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.links a { font-weight: 600; }

/* cta band */
.cta { background: var(--color-primary); color: var(--color-on-primary); }
.cta .wrap { display: grid; gap: 16px; justify-items: start; }
.cta a.btn { background: var(--color-accent); color: var(--color-on-accent); border-color: var(--color-accent); }
.cta a.btn:hover { background: var(--color-accent); filter: brightness(0.95); color: var(--color-on-accent); }
.cta a:not(.btn) { color: var(--color-on-primary); }

/* footer */
.site-footer { border-top: 1px solid var(--color-line); padding-block: 28px; color: var(--color-muted); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.site-footer a { color: var(--color-muted); }

@media (prefers-reduced-motion: no-preference) {
  .btn, nav a { transition: background-color .15s, border-color .15s; }
}

/* layout helpers (no inline styles, so the content security policy can forbid them) */
.stack { display: grid; gap: 20px; }
.stack-s { gap: 12px; }
.mt { margin-top: 24px; }
.links.col { flex-direction: column; }