:root {
  --bg: #07111f;
  --panel: rgba(10, 24, 45, 0.76);
  --panel-strong: rgba(14, 33, 62, 0.92);
  --text: #f5f7fb;
  --muted: #b1bfd5;
  --line: rgba(167, 193, 232, 0.2);
  --accent: #58d1ff;
  --accent-2: #96ffb8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(88, 209, 255, 0.18), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(150, 255, 184, 0.15), transparent 24%),
    linear-gradient(180deg, #06101c 0%, #091728 100%);
  color: var(--text);
}

.backdrop {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 85%);
  pointer-events: none;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero,
.panel,
.footer-band {
  backdrop-filter: blur(16px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  padding: 48px;
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(12, 31, 58, 0.92), rgba(6, 16, 28, 0.92));
}

.eyebrow,
.section-tag,
.footer-band p:last-child,
.video-meta,
ol,
ul {
  font-family: "IBM Plex Mono", monospace;
}

.eyebrow,
.section-tag {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin: 14px 0 18px;
  font-size: clamp(3.2rem, 10vw, 6rem);
  line-height: 0.92;
}

.lede {
  max-width: 44rem;
  font-size: 1.12rem;
  line-height: 1.7;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(88, 209, 255, 0.6);
}

.button.primary {
  background: linear-gradient(90deg, var(--accent), #88efff);
  color: #04101b;
  border-color: transparent;
  font-weight: 700;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.03);
}

.spotlight {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  margin-top: 24px;
}

.panel {
  padding: 28px;
  border-radius: 24px;
  background: var(--panel);
}

.video-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.video-screen {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 300px;
  border-radius: 20px;
  border: 1px solid rgba(88, 209, 255, 0.3);
  background:
    radial-gradient(circle at center, rgba(88, 209, 255, 0.18), transparent 45%),
    linear-gradient(145deg, rgba(15, 43, 78, 0.95), rgba(8, 18, 34, 0.95));
  overflow: hidden;
}

.video-screen p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
}

.play-ring {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 1px solid rgba(150, 255, 184, 0.5);
  background: radial-gradient(circle, rgba(150, 255, 184, 0.22), transparent 68%);
}

.play-ring::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-38%, -50%);
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-left: 26px solid var(--text);
}

.video-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}

h2 {
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.6rem;
  margin: 8px 0 18px;
}

ul,
ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.9;
}

.footer-band {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 18px 24px;
  border-radius: 18px;
  background: var(--panel-strong);
}

.footer-band p {
  margin: 0;
}

@media (max-width: 860px) {
  .hero,
  .panel {
    padding: 24px;
  }

  .spotlight,
  .grid,
  .footer-band {
    grid-template-columns: 1fr;
  }

  .spotlight,
  .grid {
    display: grid;
  }

  .footer-band {
    display: flex;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }
}