:root {
  --bg: #eef2f6;
  --card: #fff;
  --navy: #0b1f3a;
  --accent: #c2185b;
  --muted: #6b7280;
  --line: #ececec;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: #1f2937;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.wrap {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.top {
  background: var(--navy);
  color: #fff;
  padding: 28px 0 24px;
  text-align: center;
}

.eyebrow {
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .8;
  margin-bottom: 8px;
}

.top h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 12px;
}

.brand {
  display: inline-block;
  color: #f0c14b;
  font-size: .9rem;
  font-weight: 700;
}

main { padding: 28px 0 48px; }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card-post {
  background: var(--card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(11, 31, 58, .08);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.capa,
.capa-vazia {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: #c5d0dc;
}

.card-body { padding: 16px 16px 10px; flex: 1; }

.card-body h2 {
  color: var(--accent);
  font-size: 1.12rem;
  line-height: 1.3;
  margin-bottom: 14px;
}

.leia {
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.card-foot {
  border-top: 1px solid var(--line);
  padding: 10px 16px 12px;
  color: var(--muted);
  font-size: .78rem;
}

.empty {
  grid-column: 1 / -1;
  background: #fff;
  padding: 28px;
  text-align: center;
  border-radius: 16px;
  color: var(--muted);
}

@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .capa, .capa-vazia { height: 150px; }
}