/* ============================================================
   Anchor subsite — self-contained stylesheet.
   No dependency on the parent plinklabs.github.io/style.css.
   Design tokens mirror the Plink Labs design system
   (agent/external/plink-design-system).
   ============================================================ */

/* Design tokens */
:root {
  --ink:     #1B1B23;
  --paper:   #FAF7F2;
  --magenta: #DB2777;
  --muted:   #9A958B;

  --ff-display: 'Fraunces', Georgia, serif;
  --ff-ui:      'Hanken Grotesk', system-ui, sans-serif;
  --ff-mono:    'Space Mono', monospace;

  --border:  1px solid rgba(27, 27, 35, 0.15);
  --gutter:  clamp(1.25rem, 5vw, 3rem);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--ff-ui);
  background: var(--paper);
  color: var(--ink);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--magenta); }

img { max-width: 100%; display: block; }

/* ============================================================
   Header (wordmark + GitHub) — reused from the parent site.
   ============================================================ */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem var(--gutter);
  border-bottom: var(--border);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

header nav {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

/* ============================================================
   In-subsite navigation: Home · Teachers · IT staff · FAQ · Contact
   ============================================================ */
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 4vw, 2rem);
  padding: 0.875rem var(--gutter);
  border-bottom: var(--border);
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.subnav a {
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s ease;
}

.subnav a:hover { color: var(--magenta); }

.subnav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 1.5px solid var(--magenta);
  padding-bottom: 0.2rem;
}

/* ============================================================
   Main + Hero
   ============================================================ */
main { flex: 1; }

.hero {
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(2.5rem, 6vw, 4rem);
  border-bottom: var(--border);
  max-width: 52rem;
}

.hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.875rem, 4.5vw, 3.25rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero p {
  color: var(--muted);
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.65;
}

/* Section eyebrow label (shared) */
.eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

/* ============================================================
   Resources link list (from migrated index)
   ============================================================ */
.links {
  padding: 0 var(--gutter) clamp(2.5rem, 6vw, 4rem);
}
.links h2 {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}
.links ul { list-style: none; }
.links li { border-top: var(--border); }
.links li:last-child { border-bottom: var(--border); }
.links a {
  display: block;
  padding: 1rem 0;
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* ============================================================
   CTA buttons — magenta primary / outline secondary
   ============================================================ */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1.4rem;
  border: 1.5px solid var(--magenta);
  border-radius: 2px;
  transition: background 0.15s ease, color 0.15s ease;
}

.cta--primary {
  background: var(--magenta);
  color: var(--paper);
}
.cta--primary:hover {
  background: #be1f66;
  border-color: #be1f66;
  color: var(--paper);
}

.cta--secondary {
  background: transparent;
  color: var(--ink);
}
.cta--secondary:hover {
  background: var(--magenta);
  color: var(--paper);
}

/* ============================================================
   Screenshot figure — image + caption, hairline border, paper frame
   ============================================================ */
.screenshot {
  margin: clamp(2rem, 5vw, 3rem) var(--gutter);
  max-width: 60rem;
}

.screenshot figure {
  border: var(--border);
  background: var(--paper);
  padding: clamp(0.5rem, 2vw, 1rem);
}

.screenshot img {
  width: 100%;
  border: var(--border);
}

.screenshot figcaption {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* ============================================================
   How-it-works / feature grid
   ============================================================ */
.feature-section {
  padding: clamp(2.5rem, 6vw, 4rem) var(--gutter);
  border-top: var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  border-top: var(--border);
  border-left: var(--border);
}

.feature-grid article {
  padding: 1.5rem 1.5rem 1.75rem;
  border-right: var(--border);
  border-bottom: var(--border);
}

.feature-grid .step {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.feature-grid h3 {
  font-family: var(--ff-mono);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--magenta);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.feature-grid p {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ============================================================
   Callout block
   ============================================================ */
.callout {
  margin: clamp(2rem, 5vw, 3rem) var(--gutter);
  padding: clamp(1.5rem, 4vw, 2rem);
  border: var(--border);
  border-left: 3px solid var(--magenta);
  background: rgba(219, 39, 119, 0.04);
  max-width: 52rem;
}

.callout .eyebrow {
  color: var(--magenta);
  margin-bottom: 0.75rem;
}

.callout h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.125rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.callout p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink);
}

/* ============================================================
   Prose document (privacy / legal copy)
   ============================================================ */
.doc {
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(2.5rem, 6vw, 4rem);
  max-width: 46rem;
}
.doc .eyebrow {
  color: var(--magenta);
  margin-bottom: 1rem;
}
.doc h1 {
  font-family: var(--ff-display);
  font-size: clamp(1.875rem, 4.5vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.doc .updated {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 2.5rem;
}
.doc h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.125rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
}
.doc p, .doc li {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}
.doc p { margin-bottom: 1rem; }
.doc ul { padding-left: 1.25rem; margin-bottom: 1rem; }
.doc li { margin-bottom: 0.5rem; }
.doc strong { font-weight: 500; }
.doc a { color: var(--magenta); }
.doc a:hover { text-decoration: underline; }
.doc .lead { color: var(--muted); font-size: 1rem; }

/* ============================================================
   Footer ("Built in Belgium…", GPL-3.0) — reused from parent site.
   ============================================================ */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.125rem var(--gutter);
  border-top: var(--border);
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

footer nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}