:root {
  --paper: #F1EEE3;
  --ink: #171512;
  --riso-pink: #E5306D;
  --riso-cyan: #0091C7;
  --riso-yellow: #F2B705;
  --line: rgba(23,21,18,0.18);
  --card-shadow: 3px 4px 0 rgba(23,21,18,0.9);
  --font-display: 'Archivo Black', 'Arial Black', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  background-image:
    radial-gradient(rgba(23,21,18,0.035) 1px, transparent 1px);
  background-size: 3px 3px;
}

a { color: var(--riso-pink); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--riso-cyan); outline-offset: 2px; }

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 6px solid var(--ink);
  padding: 3rem 1.5rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.masthead-inner { max-width: 900px; margin: 0 auto; position: relative; }
.title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9vw, 6rem);
  line-height: 0.92;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
  text-shadow: 4px 4px 0 var(--riso-pink);
}
.subtitle {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  max-width: 32ch;
  margin: 0;
}
.stamp {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  border: 2px solid var(--ink);
  color: var(--riso-cyan);
  padding: 0.35rem 0.6rem;
  transform: rotate(6deg);
  background: var(--paper);
}

/* ---------- Nav ---------- */
.site-nav {
  display: flex;
  gap: 1.2rem;
  max-width: 900px;
  margin: 1.2rem auto 0;
  padding: 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.1rem;
}
.site-nav a:hover { color: var(--riso-pink); border-color: var(--riso-pink); }

/* ---------- Section titles ---------- */
.section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  max-width: 900px;
  margin: 2.5rem auto 1rem;
  padding: 0 1.5rem;
}

/* ---------- About ---------- */
.about {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.about-body { max-width: 62ch; }
.further-reading-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--riso-pink);
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
}
.further-reading {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.92rem;
}
.credit-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
}

/* ---------- Intro ---------- */
.intro {
  max-width: 640px;
  margin: 2.5rem auto 1.5rem;
  padding: 0 1.5rem;
  font-size: 1.05rem;
}

/* ---------- Search ---------- */
.search-bar {
  max-width: 900px;
  margin: 0 auto 1.2rem;
  padding: 0 1.5rem;
}
#search-input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
}
#search-input::placeholder { color: #888; }
#search-input:focus { outline: 3px solid var(--riso-cyan); outline-offset: 1px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Filter controls ---------- */
.controls {
  max-width: 900px;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  background: var(--paper);
  border: 2px solid var(--ink);
  color: var(--ink);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: transform 0.1s ease;
}
.filter-btn:hover { transform: translate(-1px,-1px); box-shadow: 2px 2px 0 var(--ink); }
.filter-btn.active { background: var(--ink); color: var(--paper); }

/* ---------- Grid ---------- */
.grid {
  max-width: 1100px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.75rem;
}

.card {
  background: #fff;
  border: 2px solid var(--ink);
  box-shadow: var(--card-shadow);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform 0.15s ease;
}
.card:nth-child(3n+1) { transform: rotate(-0.6deg); }
.card:nth-child(3n+2) { transform: rotate(0.4deg); }
.card:nth-child(3n)   { transform: rotate(-0.2deg); }
.card:hover { transform: rotate(0deg) translateY(-2px); }

.card-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--riso-pink);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 0.4rem;
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.15;
  margin: 0;
}
.card-desc {
  font-size: 0.88rem;
  color: #333;
  margin: 0;
}
.card-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #555;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.card-license {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  border: 1px solid var(--ink);
  padding: 0.15rem 0.4rem;
  width: fit-content;
}
.card-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  border: 2px solid var(--ink);
  text-align: center;
  padding: 0.5rem;
  background: var(--riso-yellow);
}
.card-link:hover { background: var(--ink); color: var(--paper); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 6px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 2rem 1.5rem;
}
.footer-inner { max-width: 900px; margin: 0 auto; }
.disclaimer { font-size: 0.85rem; max-width: 68ch; }
.disclaimer a { color: var(--riso-yellow); }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  opacity: 0.7;
  margin-top: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  .card, .filter-btn { transition: none; }
  .card:nth-child(n) { transform: none; }
}