:root {
  color-scheme: dark;
  --bg: #0d1016;
  --panel: #151a22;
  --text: #e8edf6;
  --muted: #9da8bc;
  --amber: #f5a623;
  --cyan: #4bc7d9;
  --magenta: #b85b9f;
  --line: #2b3242;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #1a2130, var(--bg) 45%), var(--bg);
  line-height: 1.55;
}

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  place-items: center;
  padding: 1.25rem;
  background: #000;
  opacity: 0;
  transition: opacity 0.5s linear, visibility 0.5s linear;
}

.intro-overlay.is-active {
  display: grid;
  opacity: 1;
  visibility: visible;
}

.intro-overlay.is-ending {
  opacity: 0;
}

.intro-overlay.is-hidden {
  display: none;
  visibility: hidden;
}

.intro-title {
  width: min(95vw, 1240px);
  max-height: 74vh;
  object-fit: contain;
  opacity: 0;
  image-rendering: auto;
}

.intro-skip {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font: inherit;
  font-size: 0.9rem;
  color: #fff;
  background: #111;
  border: 1px solid #666;
  border-radius: 0;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}

.intro-skip:hover,
.intro-skip:focus-visible {
  background: #1b1b1b;
  border-color: #bbb;
  outline: 2px solid #bbb;
  outline-offset: 2px;
}

.hero {
  padding: 4rem 1.25rem 2.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(245, 166, 35, 0.08), transparent 40%),
    linear-gradient(20deg, rgba(75, 199, 217, 0.08), transparent 45%);
}

.hero__content, main, footer {
  width: min(1024px, 92vw);
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
  font-size: 0.82rem;
  margin: 0 0 0.75rem;
}
h1 { font-size: clamp(2rem, 5vw, 3.3rem); margin: 0; }
.tagline { color: var(--cyan); font-weight: 600; margin-top: 0.5rem; }

main section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}
h2 { margin-top: 0; font-size: 1.45rem; }
p { max-width: 70ch; color: var(--text); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.card {
  background: linear-gradient(160deg, #1a1f2b, #121722);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0.75rem;
  margin: 0;
}

.card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.35rem;
  border: 1px solid #46506a;
  background: #0c1119;
}

figcaption {
  margin-top: 0.55rem;
  font-size: 0.92rem;
  color: var(--muted);
}

footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .hero { padding-top: 3rem; }
  main section { padding: 1.5rem 0; }
  .intro-title {
    width: min(96vw, 880px);
    max-height: 62vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro-overlay {
    transition: none;
  }
}