:root {
  color-scheme: dark;
  --bg: #080b0f;
  --panel: #10151c;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f2f6f8;
  --muted: #9aa7b3;
  --accent: #80f7c6;
  --accent-2: #56b8ff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 82% 10%, rgba(86, 184, 255, 0.14), transparent 34rem),
    radial-gradient(circle at 10% 40%, rgba(128, 247, 198, 0.09), transparent 28rem),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 42px 42px, 42px 42px, auto;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 32px;
}

.hero {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 0 64px;
}

.eyebrow,
.kicker,
.tag,
footer {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 46px;
  padding: 9px 13px;
  border: 1px solid rgba(128, 247, 198, 0.3);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(128, 247, 198, 0.06);
  font: 700 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(128, 247, 198, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(128, 247, 198, 0); }
  100% { box-shadow: 0 0 0 0 rgba(128, 247, 198, 0); }
}

.kicker {
  margin: 0 0 14px;
  color: var(--accent-2);
  font: 700 0.78rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}

h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6.6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h1 span {
  color: transparent;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
}

.intro {
  max-width: 690px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.actions a {
  padding: 13px 18px;
  border-radius: 10px;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.actions a:hover {
  transform: translateY(-2px);
}

.primary {
  color: #07110d;
  background: var(--accent);
}

.secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.secondary:hover {
  border-color: rgba(86, 184, 255, 0.6);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

article {
  position: relative;
  min-height: 270px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 21, 28, 0.72);
}

.number {
  color: var(--accent);
  font: 700 0.75rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

h2 {
  margin: 46px 0 14px;
  font-size: 1.35rem;
}

article p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.tag {
  position: absolute;
  right: 24px;
  bottom: 22px;
  color: rgba(255, 255, 255, 0.48);
  font: 700 0.64rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 0;
  color: rgba(255, 255, 255, 0.42);
  font: 650 0.64rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 26px, 1180px);
    padding-top: 36px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 50px;
  }

  .eyebrow {
    margin-bottom: 34px;
  }

  h1 {
    font-size: clamp(2.6rem, 14vw, 4.2rem);
  }

  .grid {
    grid-template-columns: 1fr;
  }

  article {
    min-height: 230px;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}