:root {
  color-scheme: light;
  --ink: #14161a;
  --muted: #626a73;
  --line: #dfe4ea;
  --paper: #f8fafc;
  --panel: #ffffff;
  --blue: #155dfc;
  --cyan: #08a7c8;
  --green: #17a673;
  --violet: #6b46c1;
  --amber: #dd8b16;
  --deep: #0c1a2a;
  --radius: 8px;
  --shadow: 0 18px 70px rgba(20, 22, 26, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.94), rgba(248, 250, 252, 1)),
    radial-gradient(circle at 20% 0%, rgba(8, 167, 200, 0.16), transparent 34%),
    radial-gradient(circle at 85% 8%, rgba(221, 139, 22, 0.14), transparent 28%);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(223, 228, 234, 0.82);
  background: rgba(248, 250, 252, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
  font-weight: 760;
}

.brand canvas {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.8vw, 34px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  transition: color 160ms ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.section-band {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
}

.section-wrap {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  min-height: calc(100vh - 81px);
  padding: 52px clamp(20px, 4vw, 56px) 24px;
}

.hero-copy {
  min-width: 0;
  max-width: 690px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
  max-width: 790px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.hero-lede {
  max-width: 640px;
  margin-bottom: 30px;
  font-size: clamp(18px, 2vw, 22px);
  color: #3e4854;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 760;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(21, 93, 252, 0.2);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
}

.hero-visual {
  position: relative;
  justify-self: end;
  width: min(100%, 760px);
  min-width: 0;
  height: clamp(380px, 52vw, 620px);
  min-height: 420px;
  max-height: 620px;
  border: 1px solid rgba(223, 228, 234, 0.92);
  border-radius: var(--radius);
  contain: layout paint;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.85), rgba(232, 243, 247, 0.72)),
    #f6fbfd;
  box-shadow: var(--shadow);
}

.hero-visual canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.visual-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 2px;
  min-width: min(260px, calc(100% - 36px));
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  background: rgba(12, 26, 42, 0.82);
  color: #fff;
  backdrop-filter: blur(12px);
}

.visual-caption span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-weight: 720;
  text-transform: uppercase;
}

.signal-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.signal-grid article {
  display: grid;
  gap: 4px;
  min-height: 114px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.76);
}

.signal-grid strong {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.signal-grid span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 620;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.72fr);
  gap: clamp(24px, 6vw, 78px);
  align-items: start;
  margin-bottom: 42px;
}

.section-heading.compact {
  grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.68fr);
}

.section-heading p,
.platform-layout p {
  margin: 0;
  font-size: 18px;
}

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

.intro-grid article {
  padding: 28px;
  background: var(--panel);
}

.intro-grid p,
.system-card p,
.steps p,
.update-list p {
  margin-bottom: 0;
}

.systems {
  background: #eef5f7;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.system-card {
  min-height: 330px;
  padding: 24px;
  border: 1px solid rgba(192, 206, 217, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
}

.system-card.featured {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(21, 93, 252, 0.1), rgba(8, 167, 200, 0.12)),
    #fff;
}

.card-index,
.steps span {
  display: inline-flex;
  margin-bottom: 38px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 820;
}

.system-card ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: #3f4a56;
  font-size: 14px;
  font-weight: 650;
}

.system-card li {
  display: flex;
  gap: 10px;
}

.system-card li::before {
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--green);
  content: "";
  flex: 0 0 6px;
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.62fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: start;
}

.platform-layout h2 {
  max-width: 760px;
  margin-bottom: 24px;
}

.platform-panel {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.panel-row {
  display: grid;
  gap: 8px;
  padding: 24px;
  background: #fff;
}

.panel-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

.panel-row strong {
  font-size: 20px;
}

.process {
  background: var(--deep);
  color: #fff;
}

.process p {
  color: rgba(255, 255, 255, 0.68);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
}

.steps article {
  min-height: 280px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.055);
}

.update-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.update-list article {
  display: grid;
  grid-template-columns: minmax(160px, 0.2fr) minmax(220px, 0.35fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 24px;
  background: #fff;
}

.update-list time {
  color: var(--amber);
  font-size: 13px;
  font-weight: 780;
}

.update-list h3 {
  margin: 0;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer div {
  display: grid;
  gap: 4px;
}

.footer span,
.footer a {
  color: var(--muted);
}

.footer a {
  font-weight: 720;
}

@media (max-width: 980px) {
  .hero,
  .section-heading,
  .section-heading.compact,
  .platform-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .hero-visual {
    justify-self: stretch;
    width: 100%;
  }

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

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

  .update-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .section-wrap {
    width: min(100% - 28px, 1160px);
    padding: 64px 0;
  }

  .hero {
    padding: 34px 14px 18px;
  }

  h1 {
    font-size: clamp(42px, 15vw, 62px);
  }

  .hero-visual,
  .hero-visual canvas {
    min-height: 330px;
  }

  .hero-visual {
    height: clamp(330px, 88vw, 460px);
    max-height: 460px;
  }

  .system-grid,
  .steps,
  .intro-grid,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  .system-card.featured {
    grid-column: auto;
  }

  .system-card,
  .steps article {
    min-height: auto;
  }

  .footer {
    flex-direction: column;
  }
}