/* ---------- foundations ---------- */

:root{
  --ink: #241d18;
  --ink-soft: #564a40;
  --paper: #f6f1e9;
  --paper-raised: #fffdfa;
  --line: #ddd3c5;
  --accent: #b2502b;
  --accent-dark: #8a3b1e;
  --accent-tint: #f1ddd0;

  --font-display: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;

  --wrap: 1180px;
  --radius: 4px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

a{ color: inherit; }

/* ---------- header ---------- */

.site-header{
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}

.header-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.logo-mark{ color: var(--accent); flex-shrink: 0; }

.logo-text{
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.logo-dot{ color: var(--ink-soft); }

.header-tag{
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- intro ---------- */

.intro{
  padding: 56px 0 28px;
}

.intro-title{
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 18px;
  max-width: 16ch;
}

.intro-lede{
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0;
}

/* ---------- filters ---------- */

.filters{
  padding: 10px 0 34px;
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 5;
  border-bottom: 1px solid var(--line);
  padding-top: 18px;
}

.filter-group{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 7px 0;
}

.filter-label{
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  width: 70px;
  flex-shrink: 0;
}

.chip-row{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip{
  font-family: var(--font-body);
  font-size: 0.88rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  min-height: 44px;
  line-height: 1.2;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.chip:hover{
  border-color: var(--accent);
}

.chip:active{
  transform: scale(0.97);
}

.chip.is-active{
  background: var(--accent);
  border-color: var(--accent);
  color: #fff8f3;
}

.filter-count{
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- grid ---------- */

.grid{
  padding: 36px 0 72px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 620px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px){
  .grid{ grid-template-columns: repeat(3, 1fr); }
}

.card{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.2s ease, border-color 0.2s ease, grid-column 0.3s ease;
}

.card.is-visible{
  opacity: 1;
  transform: translateY(0);
}

.card:hover{
  border-color: var(--accent);
  box-shadow: 0 10px 28px -18px rgba(36, 29, 24, 0.45);
}

.card.is-hidden{
  display: none;
}

.card-photo{
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--accent-tint);
}

.card-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body{
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.card-top{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.card-title{
  font-family: var(--font-display);
  font-size: 1.28rem;
  margin: 0;
  line-height: 1.25;
}

.card-tag{
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-dark);
  white-space: nowrap;
  flex-shrink: 0;
}

.card-desc{
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
  flex-grow: 1;
}

.card-meta{
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.card-links{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.card-link{
  text-decoration: none;
  font-weight: 600;
  color: var(--accent-dark);
  font-size: 0.92rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.card-link:hover{ text-decoration: underline; }

.card-link--secondary{
  color: var(--ink-soft);
  font-weight: 400;
}

.empty-state{
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 0;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- footer ---------- */

.site-footer{
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
}

.site-footer p{
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- motion ---------- */

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .card{
    transition: none;
    opacity: 1;
    transform: none;
  }
  .chip{ transition: none; }
}