:root {
  --steel: #1f2933;
  --steel-dark: #111820;
  --blue: #1d4f73;
  --blue-hard: #0f6da1;
  --grey: #d8dee4;
  --grey-mid: #7b8794;
  --orange: #ff7a1a;
  --white: #f7f9fb;
  --black: #0b0f14;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,.22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--steel-dark), var(--steel));
  color: var(--white);
  line-height: 1.55;
}

a { color: inherit; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(17,24,32,.92);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -.03em;
}

.brand-mark {
  background: var(--orange);
  color: var(--black);
  padding: 5px 9px;
  border-radius: 8px;
}

.brand-text { font-size: 1.25rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: .95rem;
}

.nav a {
  text-decoration: none;
  color: var(--grey);
}

.nav a:hover,
.nav a.active {
  color: var(--orange);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .8fr);
  gap: 32px;
  padding: clamp(42px, 8vw, 110px) clamp(18px, 4vw, 64px);
  align-items: center;
}

.eyebrow {
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 800;
  font-size: .82rem;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 6.5rem);
  line-height: .92;
  letter-spacing: -.07em;
  margin: 0 0 24px;
  max-width: 1050px;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: 1;
  letter-spacing: -.045em;
  margin: 0 0 18px;
}

h3 { font-size: 1.3rem; margin-top: 0; }

.lede {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--grey);
  max-width: 820px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 850;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.primary { background: var(--orange); color: var(--black); }

.secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.25);
}

.hero-card,
.card,
.feature-link,
.form,
.listing-card,
.notice {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 32px;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.number {
  font-size: 5rem;
  color: var(--orange);
  font-weight: 950;
  letter-spacing: -.08em;
}

.grid {
  display: grid;
  gap: 22px;
  padding: 0 clamp(18px, 4vw, 64px) 50px;
}

.three { grid-template-columns: repeat(3, 1fr); }

.two {
  grid-template-columns: repeat(2, 1fr);
  padding-left: 0;
  padding-right: 0;
}

.card { padding: 26px; }

.card p,
.prose p,
.listing-card p {
  color: var(--grey);
}

.split {
  margin: 30px clamp(18px, 4vw, 64px) 80px;
  padding: 34px;
  border-top: 4px solid var(--orange);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: end;
  background: rgba(15,109,161,.2);
}

.feature-link {
  padding: 18px 22px;
  text-decoration: none;
  font-weight: 900;
  color: var(--orange);
}

.page {
  padding: clamp(38px, 7vw, 90px) clamp(18px, 4vw, 64px);
}

.page.wide {
  max-width: 1480px;
  margin: 0 auto;
}

.prose {
  max-width: 900px;
  font-size: 1.15rem;
}

.form {
  display: grid;
  gap: 18px;
  max-width: 760px;
  padding: 28px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--grey);
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  padding: 13px 14px;
  background: rgba(0,0,0,.24);
  color: var(--white);
  font: inherit;
}

.form-note {
  color: var(--grey-mid);
  font-size: .9rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0;
}

.filter {
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--white);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 800;
}

.filter.active,
.filter:hover {
  background: var(--orange);
  color: var(--black);
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.listing-card {
  overflow: hidden;
}

.listing-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  background: var(--grey-mid);
}

.listing-body {
  padding: 20px;
}

.chair-number {
  color: var(--orange);
}

.badge {
  display: inline-flex;
  margin-bottom: 10px;
  background: var(--blue-hard);
  color: var(--white);
  padding: 5px 9px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 900;
}

.badge.donated {
  background: var(--orange);
  color: var(--black);
}

details { margin-top: 12px; }

summary {
  cursor: pointer;
  color: var(--orange);
  font-weight: 900;
}

.meta {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  color: var(--grey);
}

.meta li {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 8px 0;
}

.notice {
  padding: 18px;
  color: var(--grey);
  grid-column: 1 / -1;
}

.generated-page,
.query-results,
.search-results,
.dynamic-content {
  color: var(--white);
}

.generated-page .card,
.query-results .card,
.search-results .card,
.dynamic-content .card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 28px clamp(18px, 4vw, 64px);
  border-top: 1px solid rgba(255,255,255,.12);
  color: var(--grey-mid);
}

@media (max-width: 900px) {
  .hero,
  .split,
  .three,
  .two,
  .listing-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  h1 {
    font-size: clamp(2.4rem, 14vw, 4.2rem);
  }
}