:root {
  color-scheme: dark;
  --bg: #020811;
  --bg-soft: #07111e;
  --panel: rgba(8, 20, 34, 0.68);
  --panel-line: rgba(109, 193, 255, 0.16);
  --text: #f5f8fb;
  --muted: #a8b6c6;
  --faint: #5d7187;
  --blue: #0b8cff;
  --blue-soft: #54bcff;
  --red: #ff473f;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  background:
    radial-gradient(circle at 62% 8%, rgba(11, 140, 255, 0.26), transparent 31rem),
    radial-gradient(circle at 44% 80%, rgba(84, 188, 255, 0.16), transparent 25rem),
    linear-gradient(180deg, #01060d 0%, #06101c 48%, #020811 100%);
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
}

body::before {
  background-image:
    linear-gradient(rgba(84, 188, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 188, 255, 0.08) 1px, transparent 1px);
  background-position: center bottom;
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 55%, black 100%);
}

body::after {
  background:
    linear-gradient(90deg, transparent 0 48%, rgba(11, 140, 255, 0.22) 49%, transparent 50%),
    repeating-linear-gradient(180deg, transparent 0 28px, rgba(84, 188, 255, 0.05) 29px 30px);
  opacity: 0.18;
  mask-image: radial-gradient(circle at 62% 34%, black, transparent 36rem);
}

a {
  color: inherit;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 64px 0 44px;
}

.hero {
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero__copy {
  max-width: 580px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--blue-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.96;
  font-weight: 800;
}

.hero__lead {
  max-width: 720px;
  margin: 28px 0 32px;
  color: #e7edf3;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  line-height: 1.22;
}

.code-note {
  display: flex;
  flex-direction: column;
  width: min(100%, 420px);
  padding-left: 18px;
  gap: 6px;
  border-left: 1px solid rgba(84, 188, 255, 0.62);
  color: #6dbdff;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.86rem, 2vw, 1.05rem);
}

.system-visual {
  position: relative;
  flex: 0 1 440px;
  min-width: 320px;
  aspect-ratio: 1 / 0.9;
}

.cloud-core {
  position: absolute;
  top: 16%;
  left: 9%;
  width: 82%;
  height: 39%;
  border: 1px solid rgba(84, 188, 255, 0.72);
  border-radius: 48% 52% 45% 55% / 60% 67% 33% 40%;
  background:
    radial-gradient(circle at 24% 62%, rgba(84, 188, 255, 0.36), transparent 23%),
    radial-gradient(circle at 52% 31%, rgba(11, 140, 255, 0.5), transparent 30%),
    radial-gradient(circle at 72% 65%, rgba(84, 188, 255, 0.28), transparent 28%),
    rgba(3, 15, 29, 0.48);
  box-shadow:
    0 0 48px rgba(11, 140, 255, 0.36),
    inset 0 0 34px rgba(84, 188, 255, 0.18);
}

.cloud-core::before,
.cloud-core::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(84, 188, 255, 0.46);
  border-radius: 50%;
  background: rgba(4, 20, 38, 0.82);
}

.cloud-core::before {
  width: 35%;
  height: 68%;
  left: 16%;
  top: -30%;
}

.cloud-core::after {
  width: 45%;
  height: 82%;
  right: 18%;
  top: -44%;
}

.node {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--blue-soft);
  box-shadow: 0 0 18px var(--blue-soft);
}

.node--one {
  top: 24%;
  left: 27%;
}

.node--two {
  top: 31%;
  right: 25%;
}

.node--three {
  top: 43%;
  left: 54%;
}

.stream {
  position: absolute;
  top: 51%;
  width: 1px;
  height: 42%;
  background: linear-gradient(180deg, rgba(84, 188, 255, 0.9), transparent);
}

.stream::after {
  position: absolute;
  bottom: 14%;
  left: -4px;
  width: 9px;
  height: 9px;
  content: "";
  border: 1px solid rgba(84, 188, 255, 0.9);
}

.stream--one {
  left: 28%;
}

.stream--two {
  left: 43%;
  height: 50%;
}

.stream--three {
  left: 61%;
}

.stream--four {
  left: 76%;
  height: 35%;
}

.section-panel,
.themes,
.social {
  border-top: 1px solid var(--panel-line);
  padding: 56px 0;
}

.section-panel {
  width: min(100%, 760px);
}

.section-panel h2,
.section-heading h2,
.social h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.12;
}

.section-panel p:not(.section-kicker),
.theme-grid p {
  color: var(--muted);
}

.section-panel p:not(.section-kicker) {
  margin: 20px 0 0;
  font-size: 1.08rem;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--panel-line);
  border: 1px solid var(--panel-line);
}

.theme-grid article {
  min-height: 174px;
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(11, 140, 255, 0.08), transparent 62%),
    var(--panel);
}

.theme-grid h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.theme-grid p {
  margin: 0;
  font-size: 0.96rem;
}

.social {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  min-width: 92px;
  padding: 10px 14px;
  border: 1px solid rgba(84, 188, 255, 0.24);
  background: rgba(8, 20, 34, 0.55);
  color: #dfefff;
  text-align: center;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.social-links a:hover {
  border-color: rgba(84, 188, 255, 0.74);
  background: rgba(11, 140, 255, 0.14);
  transform: translateY(-2px);
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 28px, var(--max));
    padding-top: 36px;
  }

  .hero {
    min-height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding: 46px 0 64px;
  }

  .system-visual {
    width: min(100%, 420px);
    min-width: 0;
    margin: 0 auto;
  }

  .theme-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .social {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(2.6rem, 15vw, 4.4rem);
  }

  .hero__lead {
    font-size: 1.35rem;
  }

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

  .theme-grid article {
    min-height: 142px;
  }

  .social-links,
  .social-links a {
    width: 100%;
  }
}