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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  scroll-padding-top: 0;
}

body {
  --color-bg: var(--color-dark-bg);
  --color-surface: color-mix(in srgb, var(--color-dark), var(--color-primary) 18%);
  --color-border: var(--color-dark-border);
  --color-text: var(--color-dark-text);
  --color-text-muted: var(--color-dark-muted);
  --color-text-disabled: var(--color-dark-disabled);
  --shadow-card: var(--shadow-card-dark);
  --shadow-card-hover: var(--shadow-card-dark-hover);
  margin: 0;
  min-width: 320px;
  color: var(--color-text);
  background: var(--color-dark);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::selection {
  color: var(--color-dark);
  background: var(--color-blue-bright);
}

main {
  overflow: clip;
}

.snap-container {
  height: 100svh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
}

h1 {
  max-width: 18ch;
  font-size: 4.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 3rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0;
}

small {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

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

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

button {
  cursor: pointer;
}

.container {
  width: min(100% - 48px, var(--content-max));
  margin-inline: auto;
}

.eyebrow,
.chapter-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-primary-mid);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow--gold {
  color: var(--color-blue-bright);
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--color-text-muted);
}

.value-positive,
.pos {
  color: var(--color-positive);
  font-weight: 800;
}

.value-negative,
.neg {
  color: var(--color-negative);
  font-weight: 800;
}

.value-good {
  color: var(--color-positive) !important;
}

.value-ok {
  color: var(--color-highlight) !important;
}

.value-warn {
  color: var(--color-accent) !important;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (max-width: 900px) {
  h1 {
    font-size: 3.2rem;
  }

  h2 {
    font-size: 2.4rem;
  }

  .container {
    width: min(100% - 32px, var(--content-max));
  }
}

@media (max-width: 560px) {
  body {
    font-size: 13px;
  }

  h1 {
    font-size: 2.4rem;
  }

  h2 {
    font-size: 1.8rem;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}