:root {
  --yellow: #ffc107;
  --black: #111;
  --green: #4caf50;
  --muted: #667085;
  --card: #fff;
  --bg: #f4f5f7;
  --danger: #b00020;
  --radius: 14px;
  font-family: "Montserrat", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--black);
  min-height: 100vh;
}
.wrap { max-width: 480px; margin: 0 auto; padding: 0 1rem 2.5rem; }
.hero {
  margin: 0 0 1rem;
  padding-top: 1rem;
}
.brand-row { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 0.85rem; }
.brand-row img { width: 40px; height: 40px; border-radius: 10px; background: #fff; }
.brand-row span { font-weight: 700; font-size: 0.95rem; color: var(--black); }
.hero-banner {
  margin: 0 -1rem 0.9rem;
  background: #111;
  line-height: 0;
}
.hero-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(72vh, 640px);
  object-fit: contain;
  object-position: center top;
  background: #111;
}
.hero-copy {
  padding: 0 0.1rem;
  color: var(--black);
}
h1 { margin: 0 0 0.35rem; font-size: 1.45rem; line-height: 1.2; }
.sub { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.card h2 { margin: 0 0 0.65rem; font-size: 1.05rem; }
.muted { color: var(--muted); font-size: 0.88rem; line-height: 1.45; }
.badge {
  display: inline-block;
  background: #fff3cd;
  color: #7a5a00;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  margin-right: 0.35rem;
}
.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: 0.75rem;
}
.meta-item {
  background: #f8f9fb;
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}
.meta-item strong { display: block; font-size: 0.78rem; color: var(--muted); margin-bottom: 0.2rem; }
label { display: block; font-weight: 600; font-size: 0.88rem; margin-bottom: 0.35rem; }
input[type="text"], input[type="tel"] {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  font: inherit;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 0.75rem;
  border: 0;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: var(--yellow);
  color: #111;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-secondary { background: #e8eaed; }
.alert {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.alert-error { background: #fdecea; color: var(--danger); }
.alert-ok { background: #e8f5e9; color: #1b5e20; }
.alert-warn { background: #fff8e1; color: #6d4c00; }
.condiciones { font-size: 0.9rem; line-height: 1.5; max-height: 220px; overflow: auto; }
.rank-list { list-style: none; margin: 0; padding: 0; }
.rank-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid #eef0f3;
  font-size: 0.92rem;
}
.rank-list .pos {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #111; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; flex-shrink: 0;
}
.rank-list .pos.top { background: var(--yellow); color: #111; }
.rank-list .info { flex: 1; min-width: 0; }
.rank-list .prog { font-weight: 700; color: var(--green); }
.hidden { display: none !important; }
.footer-note { text-align: center; color: var(--muted); font-size: 0.78rem; margin-top: 1.5rem; }
.loading { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.back-link {
  display: inline-block;
  margin-right: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}
.back-link:hover { color: var(--black); }
.hero-home { margin-bottom: 0.5rem; }
.campaign-list { display: flex; flex-direction: column; gap: 0.85rem; }
.campaign-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  transition: transform .12s ease, box-shadow .12s ease;
}
.campaign-card:active { transform: scale(0.99); }
.campaign-card-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #111;
}
.campaign-card-body { padding: 0.9rem 1rem 1rem; }
.campaign-card-body h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  line-height: 1.25;
}
.campaign-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.65rem;
}
.campaign-card-meta .chip {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: #f0f2f5;
  color: #344054;
}
.campaign-card-meta .chip.open { background: #e8f5e9; color: #1b5e20; }
.campaign-card-meta .chip.soon { background: #fff8e1; color: #6d4c00; }
.campaign-card-meta .chip.closed { background: #fdecea; color: #7a1c1c; }
.campaign-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.countdown-card {
  background: linear-gradient(145deg, #111 0%, #2a2a2a 100%);
  color: #fff;
  text-align: center;
}
.countdown-card .muted { color: rgba(255,255,255,.7); }
.countdown-label {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--yellow);
}
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}
.countdown-unit {
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  padding: 0.55rem 0.25rem;
}
.countdown-unit strong {
  display: block;
  font-size: 1.45rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.countdown-unit span {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  text-transform: uppercase;
}
.countdown-until { margin: 0.75rem 0 0; font-size: 0.8rem; }
.countdown-inline {
  margin-top: 0.75rem;
  padding: 0.7rem 0.75rem;
  border-radius: 10px;
  background: #111;
  color: #fff;
}
.countdown-inline .countdown-label {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  text-align: left;
}
.countdown-inline .countdown-grid { gap: 0.3rem; }
.countdown-inline .countdown-unit {
  padding: 0.4rem 0.15rem;
  background: rgba(255,255,255,.1);
}
.countdown-inline .countdown-unit strong { font-size: 1.15rem; }
.countdown-inline .countdown-unit span { font-size: 0.6rem; }