:root {
  --bg: #f7fbff;
  --ink: #0d1b2a;
  --muted: #5b6b7d;
  --play: #ff4757;
  --create: #4fc3f7;
  --inspire: #ffd93d;
  --together: #9b7be0;
  --accent-start: #ff6b9d;
  --accent-end: #ffa94d;
  --card-bg: #ffffff;
  --shadow: 0 10px 30px rgba(13, 27, 42, 0.08);
  --shadow-hover: 0 16px 40px rgba(13, 27, 42, 0.14);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 10% 10%, rgba(79, 195, 247, 0.18), transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(255, 217, 61, 0.22), transparent 45%),
    radial-gradient(circle at 80% 90%, rgba(155, 123, 224, 0.18), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(255, 71, 87, 0.15), transparent 45%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 0 16px;
}

.logo {
  width: min(540px, 80vw);
  height: auto;
  filter: drop-shadow(0 12px 30px rgba(13, 27, 42, 0.12));
}

.section-title {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 56px 0 20px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  border: 1px solid rgba(13, 27, 42, 0.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  z-index: 1;
}

.card-hero {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0a1a3a;
}

.card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.card-placeholder .card-body {
  padding: 32px 24px 28px;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-placeholder {
  opacity: 0.7;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(13, 27, 42, 0.02),
      rgba(13, 27, 42, 0.02) 10px,
      transparent 10px,
      transparent 20px
    ),
    var(--card-bg);
}

.card-placeholder::before {
  background: linear-gradient(90deg, var(--create), var(--together));
}

.card-icon {
  font-size: 2rem;
  margin-top: 4px;
}

.card-title {
  margin: 4px 0 0;
  font-size: 1.4rem;
}

.card-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.card-cta {
  margin-top: auto;
  padding-top: 12px;
  font-weight: 600;
  color: var(--play);
}

.footer {
  margin-top: 56px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .container { padding: 32px 18px 48px; }
  .section-title { margin-top: 40px; }
}