:root {
  color-scheme: light;
  --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #111412;
  --ink-soft: #404943;
  --muted: #68736d;
  --paper: #fbfbf7;
  --surface: #ffffff;
  --surface-strong: #f0f5ef;
  --line: #dfe6dc;
  --line-strong: #c7d1c7;
  --accent: #0f8f68;
  --accent-strong: #09684e;
  --accent-soft: #e5f4ee;
  --coral: #d95742;
  --citrus: #e3b331;
  --shadow: 0 18px 50px rgba(17, 20, 18, 0.1);
  --radius: 8px;
  --container: min(1120px, calc(100vw - 40px));
  --header-height: 72px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f7f8f2;
  --ink-soft: #d1d7cf;
  --muted: #a4ada4;
  --paper: #0d100f;
  --surface: #151918;
  --surface-strong: #1e2522;
  --line: #303934;
  --line-strong: #48534d;
  --accent: #30c291;
  --accent-strong: #74e4b6;
  --accent-soft: #153329;
  --coral: #ff8b77;
  --citrus: #f0cc62;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}

:root[data-theme="crazy"] {
  color-scheme: dark;
  --ink: #fff9ff;
  --ink-soft: #ffd0ff;
  --muted: #97faff;
  --paper: #08000f;
  --surface: #180025;
  --surface-strong: #31004d;
  --line: rgba(255, 44, 214, 0.44);
  --line-strong: rgba(17, 255, 238, 0.7);
  --accent: #0dfff2;
  --accent-strong: #f7ff00;
  --accent-soft: #3a005e;
  --coral: #ff145f;
  --citrus: #ff9d00;
  --shadow: 0 0 36px rgba(255, 0, 208, 0.28), 0 0 68px rgba(0, 255, 239, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  transition: background 180ms ease, color 180ms ease;
}

:root[data-theme="crazy"] body {
  background:
    radial-gradient(circle at 10% 5%, rgba(255, 0, 174, 0.34), transparent 26rem),
    radial-gradient(circle at 88% 10%, rgba(0, 255, 238, 0.28), transparent 24rem),
    radial-gradient(circle at 44% 52%, rgba(247, 255, 0, 0.14), transparent 30rem),
    linear-gradient(135deg, #08000f 0%, #190026 44%, #001625 100%);
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: #0d100f;
}

:focus-visible {
  outline: 3px solid rgba(15, 143, 104, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: 4px;
  background: var(--ink);
  color: #ffffff;
  padding: 10px 14px;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  max-width: 12ch;
  font-size: clamp(2.35rem, 5.2vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  max-width: 14ch;
  font-size: clamp(1.52rem, 2.65vw, 2.7rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
  line-height: 1.2;
  letter-spacing: 0;
}

p {
  color: var(--ink-soft);
}

[data-reveal] {
  opacity: 0.86;
  transform: translateY(18px);
  transition: opacity 640ms ease, transform 640ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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