:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eef1ee;
  --ink-soft: #d0d7d2;
  --ink-muted: rgba(238, 241, 238, 0.7);
  --ink-faint: rgba(238, 241, 238, 0.48);
  --map: #45a678;
  --map-deep: #348560;
  --map-soft: rgba(69, 166, 120, 0.2);
  --map-rgb: 69, 166, 120;
  --amber: #e4b84a;
  --amber-deep: #c99a28;
  --amber-rgb: 228, 184, 74;
  --paper: #1c1f1c;
  --paper-bright: #272b27;
  --paper-rgb: 28, 31, 28;
  --surface: #303530;
  --surface-soft: color-mix(in srgb, #1c1f1c 45%, #303530);
  --surface-strong: color-mix(in srgb, #272b27 75%, #1c1f1c);
  --hero-mid: #222622;
  --line: rgba(238, 241, 238, 0.12);
  --line-strong: rgba(238, 241, 238, 0.2);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --veil: rgba(0, 0, 0, 0.45);
  --on-map: #ffffff;
  --danger: #f87171;
  --panel: #141714;
  --panel-fg: #eef1ee;
  --panel-muted: rgba(238, 241, 238, 0.76);
  --panel-faint: rgba(238, 241, 238, 0.5);
  --panel-line: rgba(238, 241, 238, 0.14);
  --panel-fill: rgba(238, 241, 238, 0.05);
  --panel-accent: #8ad4ad;
  --panel-code: #b4dec8;
  --panel-danger: #f87171;
  --theme-color: #1c1f1c;
  --font: "Source Sans 3", "Helvetica Neue", sans-serif;
  --font-display: var(--font);
  --font-body: var(--font);
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: min(1100px, calc(100% - 2.5rem));
  --header-h: 3.75rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 2px;
}

html[data-theme="light"] {
  color-scheme: light;
  --ink: #0b1f2a;
  --ink-soft: #163545;
  --ink-muted: rgba(11, 31, 42, 0.68);
  --ink-faint: rgba(11, 31, 42, 0.45);
  --map: #1f6b4a;
  --map-deep: #155338;
  --map-soft: rgba(31, 107, 74, 0.12);
  --map-rgb: 31, 107, 74;
  --amber: #d4a017;
  --amber-deep: #a87c0c;
  --amber-rgb: 212, 160, 23;
  --paper: #f3f0e7;
  --paper-bright: #faf8f2;
  --paper-rgb: 243, 240, 231;
  --surface: #ffffff;
  --surface-soft: color-mix(in srgb, #fff 78%, #f3f0e7);
  --surface-strong: color-mix(in srgb, #fff 90%, #f3f0e7);
  --hero-mid: #ebe6d8;
  --line: rgba(11, 31, 42, 0.12);
  --line-strong: rgba(11, 31, 42, 0.18);
  --shadow: 0 18px 40px rgba(11, 31, 42, 0.06);
  --veil: rgba(11, 31, 42, 0.55);
  --on-map: #ffffff;
  --danger: #b42318;
  --panel: #0b1f2a;
  --panel-fg: #f3f0e7;
  --panel-muted: rgba(243, 240, 231, 0.78);
  --panel-faint: rgba(243, 240, 231, 0.5);
  --panel-line: rgba(243, 240, 231, 0.14);
  --panel-fill: rgba(243, 240, 231, 0.04);
  --panel-accent: #7dcea0;
  --panel-code: #c8e6d4;
  --panel-danger: #f87171;
  --theme-color: #f3f0e7;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s ease, color 0.25s ease;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  background: var(--map-soft);
  color: var(--map);
  padding: 0.6rem 1rem;
  font-weight: 500;
  text-decoration: none;
}

.skip:focus {
  top: 1rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(0.85rem);
  transition:
    opacity 0.65s var(--ease),
    transform 0.65s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-reveal-delay] {
  transition-delay: 0.12s;
}

[data-reveal-delay="2"] {
  transition-delay: 0.24s;
}

.how-cta {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 0 0 3.5rem;
  font-size: 1.05rem;
  color: var(--ink-muted);
}

.how-cta a {
  color: var(--map);
  font-weight: 500;
}