:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.8rem + 6vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 720px;
  --content-default: 1040px;
  --content-wide: 1240px;
}

/* DARK (default) — desert dusk */
:root,
[data-theme='dark'] {
  --color-bg: #14110e;
  --color-surface: #1c1814;
  --color-surface-2: #221d18;
  --color-surface-offset: #2a241e;
  --color-surface-offset-2: #322b23;
  --color-divider: #2c2620;
  --color-border: #3a322a;

  --color-text: #f1ebe1;
  --color-text-muted: #a89d8d;
  --color-text-faint: #6e6558;
  --color-text-inverse: #14110e;

  /* Primary accent: monochrome — pure white on dark surfaces */
  --color-primary: #ffffff;
  --color-primary-hover: #f1ebe1;
  --color-primary-active: #d8d2c8;
  --color-primary-highlight: rgba(255, 255, 255, 0.08);

  --color-accent-warm: #d8d2c8; /* secondary muted */

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);

  --font-display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

/* LIGHT — warm parchment */
[data-theme='light'] {
  --color-bg: #f7f2ea;
  --color-surface: #fdf9f2;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ede5d6;
  --color-surface-offset-2: #e2d9c7;
  --color-divider: #e0d6c3;
  --color-border: #cfc4ae;

  --color-text: #1c1814;
  --color-text-muted: #6f6555;
  --color-text-faint: #a89d8a;
  --color-text-inverse: #f7f2ea;

  --color-primary: #1c1814;
  --color-primary-hover: #2a241e;
  --color-primary-active: #14110e;
  --color-primary-highlight: rgba(28, 24, 20, 0.08);

  --color-accent-warm: #6f6555;

  --shadow-sm: 0 1px 2px rgba(40, 25, 10, 0.08);
  --shadow-md: 0 8px 24px rgba(40, 25, 10, 0.1);
  --shadow-lg: 0 24px 60px rgba(40, 25, 10, 0.15);
}

/* base reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
ul[role='list'],
ol[role='list'] {
  list-style: none;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
  line-height: 1.08;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}
p,
li,
figcaption {
  text-wrap: pretty;
}

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

::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a,
button,
[role='button'],
input,
textarea,
select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

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