/* Datagio — design tokens */
:root {
  --bg-0: oklch(0.16 0.012 260);
  --bg-1: oklch(0.20 0.014 260);
  --bg-2: oklch(0.24 0.016 260);
  --bg-3: oklch(0.30 0.018 260);
  --line: oklch(1 0 0 / 0.07);
  --line-2: oklch(1 0 0 / 0.12);
  --fg: oklch(0.98 0.005 260);
  --fg-2: oklch(0.82 0.01 260);
  --fg-3: oklch(0.62 0.015 260);
  --fg-4: oklch(0.46 0.018 260);

  --blue: oklch(0.74 0.12 240);
  --violet: oklch(0.70 0.10 285);
  --emerald: oklch(0.78 0.10 165);
  --amber: oklch(0.82 0.10 75);
  --accent: oklch(0.74 0.12 240);

  --grad-primary: oklch(0.74 0.12 240);
  --grad-soft: oklch(0.74 0.12 240 / 0.10);

  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 0 1px var(--line), 0 24px 60px -28px oklch(0 0 0 / 0.7);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

/* Background ambient — subtle */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1100px 700px at 18% -8%, oklch(0.22 0.018 250), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, oklch(1 0 0 / 0.05) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(1200px 800px at 50% 30%, black 30%, transparent 80%);
}

main, header, footer, section { position: relative; z-index: 1; }

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4vw, 52px); letter-spacing: -0.03em; }
h3 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -0.02em; }
p { margin: 0; color: var(--fg-2); text-wrap: pretty; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
}

.gradient-text {
  color: var(--accent);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: oklch(0.96 0.005 260);
  color: oklch(0.14 0.01 260);
  font-weight: 600;
  border-color: oklch(0.96 0.005 260);
}
.btn-primary:hover {
  background: oklch(1 0 0);
  border-color: oklch(1 0 0);
}

.btn-ghost {
  background: oklch(1 0 0 / 0.04);
  color: var(--fg);
  border-color: var(--line-2);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  background: oklch(1 0 0 / 0.08);
  border-color: oklch(1 0 0 / 0.2);
}

.btn-link {
  color: var(--fg-2);
  background: transparent;
  padding: 10px 0;
}
.btn-link:hover { color: var(--fg); }

/* Glass card */
.glass {
  background: linear-gradient(180deg, oklch(1 0 0 / 0.04), oklch(1 0 0 / 0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, oklch(1 0 0 / 0.18), oklch(1 0 0 / 0) 40%, oklch(1 0 0 / 0) 60%, oklch(1 0 0 / 0.08));
  -webkit-mask: linear-gradient(black, black) content-box, linear-gradient(black, black);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Section spacing */
section.section {
  padding: 110px 0;
}
@media (max-width: 720px) {
  section.section { padding: 72px 0; }
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 56px;
  max-width: 720px;
}
.section-head p { font-size: 17px; color: var(--fg-3); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: oklch(0.16 0.012 260 / 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.nav-links {
  justify-self: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
}
.nav-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: oklch(0.98 0.005 260);
  position: relative;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.nav-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  background:
    linear-gradient(transparent 47%, oklch(0.16 0.012 260) 47%, oklch(0.16 0.012 260) 53%, transparent 53%),
    linear-gradient(90deg, transparent 47%, oklch(0.16 0.012 260) 47%, oklch(0.16 0.012 260) 53%, transparent 53%);
  border-radius: 3px;
}
.nav-logo { font-size: 17px; }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--fg-2);
  text-decoration: none;
  font-size: 14.5px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-cta .btn { padding: 9px 16px; font-size: 14px; }
@media (max-width: 880px) {
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .nav-cta .btn-link { display: none; }
}

/* Status pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  background: oklch(1 0 0 / 0.04);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--fg-2);
  font-family: var(--font-mono);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 999px;
  background: var(--emerald);
  box-shadow: 0 0 0 3px oklch(0.78 0.10 165 / 0.14);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px oklch(0.78 0.10 165 / 0.14); }
  50% { box-shadow: 0 0 0 5px oklch(0.78 0.10 165 / 0.04); }
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
  margin-top: 80px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
@media (max-width: 880px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
.foot-col h4 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-4);
  margin-bottom: 18px;
}
.foot-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-col a { color: var(--fg-2); text-decoration: none; font-size: 14.5px; }
.foot-col a:hover { color: var(--fg); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  font-size: 13.5px;
  color: var(--fg-4);
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
}

/* Generic chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: oklch(1 0 0 / 0.05);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}