:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #eef6ff;
  --muted: #aac0d5;
  --accent: #76e4f7;
  --accent-2: #a98bff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(118, 228, 247, 0.24), transparent 36rem),
    radial-gradient(circle at top right, rgba(169, 139, 255, 0.22), transparent 34rem),
    var(--bg);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  max-width: 760px;
  padding: 56px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.05));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 0.95;
}

h1 {
  font-size: clamp(3rem, 9vw, 7rem);
  letter-spacing: -0.08em;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.06em;
}

p,
.presentation-card span {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.section {
  margin-top: 72px;
}

.section-heading {
  margin-bottom: 28px;
}

.presentation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.presentation-card {
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.presentation-card:hover,
.presentation-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(118, 228, 247, 0.8);
  background: var(--panel-strong);
  outline: none;
}

.presentation-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  display: grid;
  gap: 10px;
  padding: 24px;
}

.card-kicker {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.presentation-card strong {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

@media (max-width: 680px) {
  .shell {
    padding: 32px 0;
  }

  .hero {
    padding: 32px;
    border-radius: 24px;
  }
}