:root {
  --navy: #00274C;
  --gold: #FFCB05;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #142a40;
  --muted: #55687c;
  --border: #d6dee7;
  --heading: var(--navy);
  --link: var(--navy);
  --need-bg: #fff3bf;
  --need-text: #6b4e00;
  --placeholder-bg: #e8eef4;
  --shadow: 0 1px 2px rgba(0, 39, 76, 0.06), 0 4px 14px rgba(0, 39, 76, 0.06);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

h1, h2, h3 {
  font-family: "Open Sans Condensed", "Arial Narrow", "Open Sans", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--heading);
  line-height: 1.15;
}

/* Header */
.site-header { padding: 48px 0 8px; }

.school {
  margin: 0 0 6px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
}

.intro {
  margin: 0;
  max-width: 62ch;
  font-size: 1.08rem;
  color: var(--text);
}

.signin-note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 0.92rem;
  color: var(--muted);
}

.gold-rule {
  width: 96px;
  height: 5px;
  margin: 24px 0 0;
  border: 0;
  border-radius: 3px;
  background: var(--gold);
}

/* Ideas */
.ideas { margin-top: 36px; }

.ideas h2,
.examples-heading {
  margin: 0 0 8px;
  font-size: 1.7rem;
}

.ideas-intro {
  margin: 0 0 20px;
  max-width: 62ch;
  color: var(--muted);
}

.idea-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.idea {
  padding: 16px 18px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 4px solid var(--gold);
  border-radius: 10px;
}

.idea h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.idea ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.92rem;
}

.idea li + li { margin-top: 4px; }

.idea li::marker { color: var(--muted); }

.examples-heading { margin-top: 48px; }

/* Cards */
.card-grid {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 980px) {
  .card-grid,
  .idea-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .site-header { padding-top: 32px; }
  .card-grid { grid-template-columns: 1fr; gap: 20px; }
  .idea-grid { grid-template-columns: 1fr; gap: 12px; }
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-media {
  aspect-ratio: 16 / 10;
  background: var(--placeholder-bg);
  border-bottom: 1px solid var(--border);
}

.card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 18px 20px 20px;
}

.card h3 {
  margin: 0 0 14px;
  font-size: 1.3rem;
}

.label {
  display: block;
  margin-bottom: 2px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.need {
  margin: 0 0 14px;
  padding: 10px 12px;
  background: var(--need-bg);
  color: var(--need-text);
  border-left: 4px solid var(--gold);
  border-radius: 0 6px 6px 0;
  font-size: 0.95rem;
}

.built {
  margin: 0 0 18px;
  font-size: 0.95rem;
}

.built .label { color: var(--muted); }

.open-link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 2px solid var(--link);
  border-radius: 6px;
  color: var(--link);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
}

.open-link:hover,
.open-link:focus-visible {
  background: var(--link);
  color: var(--bg);
}

.open-link:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.load-error { color: var(--muted); }

/* Closing */
.closing {
  margin: 56px 0 64px;
  padding: 28px 24px;
  background: var(--navy);
  color: #ffffff;
  border-radius: 12px;
  border-top: 5px solid var(--gold);
}

.closing h2 {
  margin: 0 0 10px;
  font-size: 1.7rem;
  color: #ffffff;
}

.closing p {
  margin: 0;
  max-width: 64ch;
  font-size: 1.05rem;
}