*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #faf8f4;
  --bg-warm: #f5efe6;
  --surface: #ffffff;
  --text: #1a2744;
  --muted: #56647a;
  --line: rgba(26,39,68,0.1);
  --accent: #c8622a;
  --accent-dark: #9e4a1c;
  --accent-soft: #fdf0e7;
  --accent2: #d4a847;
  --navy: #1a2744;
  --card-shadow: 0 2px 16px rgba(26,39,68,0.08);
  --card-shadow-hover: 0 6px 32px rgba(26,39,68,0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1140px;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "SF Pro Display", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250,248,244,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
  padding: 0.75rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--navy);
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy), #2d4a6e);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(26,39,68,0.2);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.nav-links a {
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--line); color: var(--text); }
.nav-links a.active { background: var(--accent-soft); color: var(--accent-dark); font-weight: 700; }
.nav-links a.cta-nav {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 0.9rem;
}
.nav-links a.cta-nav:hover { background: var(--accent-dark); color: #fff; }

/* SECTION SHARED */
.page-hero {
  background: radial-gradient(ellipse at 15% 0%, rgba(212,168,71,0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 85% 10%, rgba(200,98,42,0.1) 0%, transparent 50%),
              var(--bg);
  padding: 2.5rem 0 2rem;
}
.section { padding: 2rem 0; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(26,39,68,0.06);
  color: var(--navy);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.section-desc { margin: 0.4rem 0 0; color: var(--muted); max-width: 60ch; }

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.breadcrumb a { font-weight: 600; color: var(--muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { opacity: 0.5; }

/* BIZ CARDS */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.biz-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.biz-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(26,39,68,0.2);
}
.biz-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; }
.biz-avatar {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), #2d4a6e);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 0.9rem;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.biz-category {
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--bg-warm);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.biz-card h3 { margin: 0; font-size: 1rem; font-weight: 700; }
.biz-tagline { margin: 0; font-size: 0.85rem; color: var(--muted); flex: 1; line-height: 1.5; }
.biz-location { display: flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; color: var(--muted); font-weight: 500; }
.biz-link { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.82rem; font-weight: 700; color: var(--accent); margin-top: 0.25rem; }

/* OFFER CARDS */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.offer-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: box-shadow 0.2s, transform 0.15s;
}
.offer-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-2px); }
.offer-discount {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 0.6rem;
}
.offer-discount.green { background: #edf7ed; color: #276b27; }
.offer-card h3 { margin: 0 0 0.4rem; font-size: 1rem; font-weight: 700; line-height: 1.3; }
.offer-card p { margin: 0; font-size: 0.85rem; color: var(--muted); line-height: 1.55; }
.offer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}
.offer-business { font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.offer-expires { font-size: 0.75rem; color: var(--muted); }

/* CAT FILTER */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.filter-btn {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.filter-btn:hover { background: var(--bg-warm); border-color: rgba(26,39,68,0.2); color: var(--text); }
.filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }

/* FORMS */
.form-grid { display: grid; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--surface);
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group .hint { font-size: 0.78rem; color: var(--muted); }

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(200,98,42,0.3);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--line);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-ghost:hover { background: var(--bg-warm); }

/* SUCCESS / ERROR */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}
.alert-success { background: #edf7ed; color: #276b27; border: 1px solid rgba(39,107,39,0.2); }
.alert-error { background: #fdf0e7; color: var(--accent-dark); border: 1px solid rgba(200,98,42,0.2); }

/* SEARCH */
.search-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.search-bar input {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--surface);
  font: inherit;
  font-size: 0.9rem;
  outline: none;
}
.search-bar input:focus { border-color: var(--accent); }

/* DETAIL PAGE */
.detail-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.detail-avatar {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--navy), #2d4a6e);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.03em;
  box-shadow: 0 6px 20px rgba(26,39,68,0.2);
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--bg-warm);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}
.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.info-card strong { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.25rem; }
.info-card span { font-size: 0.9rem; font-weight: 600; color: var(--text); }

/* DONATE PAGE */
.donate-hero {
  background: linear-gradient(135deg, #1a2744, #2d4a6e);
  border-radius: 20px;
  padding: 3rem 2.5rem;
  color: #fff;
  text-align: center;
  margin-bottom: 2rem;
}
.donate-hero h1 { margin: 0 0 0.75rem; font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -0.02em; }
.donate-hero p { margin: 0; color: rgba(255,255,255,0.75); font-size: 1.05rem; max-width: 55ch; margin-inline: auto; }
.tier-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.tier-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.tier-card:hover { box-shadow: var(--card-shadow-hover); border-color: var(--accent2); }
.tier-card h3 { margin: 0.5rem 0 0.25rem; font-size: 1.05rem; font-weight: 800; }
.tier-card p { margin: 0; font-size: 0.85rem; color: var(--muted); }

/* FOOTER */
.site-footer { padding: 1.5rem 0 2rem; border-top: 1px solid var(--line); margin-top: 1rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 0.82rem; color: var(--muted); }

/* SKELETON */
.skeleton {
  background: linear-gradient(90deg, var(--bg-warm) 25%, var(--line) 50%, var(--bg-warm) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}
.empty-state h3 { margin: 0 0 0.5rem; font-size: 1.1rem; color: var(--text); }
.empty-state p { margin: 0; font-size: 0.9rem; }

/* RESPONSIVE */
@media (max-width: 860px) {
  .detail-header { grid-template-columns: 1fr; }
  .detail-avatar { width: 60px; height: 60px; font-size: 1.1rem; }
}
@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .nav-links { width: 100%; }
  .nav-links a { flex: 1; text-align: center; font-size: 0.82rem; padding: 0.45rem 0.5rem; }
  .page-hero { padding: 1.5rem 0 1.25rem; }
  .section { padding: 1.25rem 0; }
  .donate-hero { padding: 2rem 1.25rem; }
}