/* ============================================================
   base.css — Regenerate Utah Design Tokens & Reset
   Earthy permaculture palette: forest green + terra cotta
   ============================================================ */

/* --- Type Scale (fluid clamp) --- */
:root {
  --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);

  /* --- 4px Spacing System --- */
  --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;

  /* --- Font Families --- */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ============================================================
   LIGHT MODE (default)
   ============================================================ */
:root,
[data-theme='light'] {
  /* Surfaces — warm cream */
  --color-bg: #F5F2EA;
  --color-surface: #FAF8F3;
  --color-surface-2: #FFFFFF;
  --color-surface-offset: #EDE9DF;
  --color-surface-offset-2: #E5E1D6;
  --color-surface-dynamic: #D9D5CA;
  --color-divider: #D1CCBF;
  --color-border: #C7C1B3;

  /* Text — rich earth tones */
  --color-text: #1A2218;
  --color-text-muted: #5E6B58;
  --color-text-faint: #9DA695;
  --color-text-inverse: #F5F2EA;

  /* Primary — deep forest green */
  --color-primary: #2D5F3B;
  --color-primary-hover: #234A2E;
  --color-primary-active: #1A3722;
  --color-primary-highlight: #C8DBC9;
  --color-primary-light: #E8F0E8;

  /* Accent — terra cotta */
  --color-accent: #B5623A;
  --color-accent-hover: #9A5230;
  --color-accent-active: #7F4326;
  --color-accent-highlight: #F0D8CB;
  --color-accent-light: #FAF0EA;

  /* Semantic */
  --color-success: #437A22;
  --color-success-highlight: #D4DFCC;
  --color-warning: #C47A1A;
  --color-warning-highlight: #F0E4D0;
  --color-error: #A63D3D;
  --color-error-highlight: #F0D4D4;

  /* Shadows (warm-tinted) */
  --shadow-sm: 0 1px 2px oklch(0.25 0.02 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.25 0.02 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.25 0.02 80 / 0.12);
  --shadow-xl: 0 20px 48px oklch(0.25 0.02 80 / 0.16);

  /* Hero overlay */
  --hero-overlay: linear-gradient(
    to bottom,
    rgba(26, 34, 24, 0.55) 0%,
    rgba(26, 34, 24, 0.3) 50%,
    rgba(26, 34, 24, 0.7) 100%
  );
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme='dark'] {
  --color-bg: #141A12;
  --color-surface: #1A2118;
  --color-surface-2: #1F271D;
  --color-surface-offset: #1C2419;
  --color-surface-offset-2: #232B20;
  --color-surface-dynamic: #2B3427;
  --color-divider: #2F3A2B;
  --color-border: #3A4636;
  --color-text: #D1D8CC;
  --color-text-muted: #8A9584;
  --color-text-faint: #5C6957;
  --color-text-inverse: #1A2218;

  --color-primary: #5DA06E;
  --color-primary-hover: #4A8B5A;
  --color-primary-active: #3A7548;
  --color-primary-highlight: #263828;
  --color-primary-light: #1E2E20;

  --color-accent: #D4845E;
  --color-accent-hover: #C0724E;
  --color-accent-active: #AB6240;
  --color-accent-highlight: #3A2C24;
  --color-accent-light: #2E2420;

  --color-success: #6DAA45;
  --color-success-highlight: #2A3A22;
  --color-warning: #DDA24A;
  --color-warning-highlight: #3A3020;
  --color-error: #D06060;
  --color-error-highlight: #3A2222;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  --shadow-xl: 0 20px 48px oklch(0 0 0 / 0.5);

  --hero-overlay: linear-gradient(
    to bottom,
    rgba(10, 14, 10, 0.7) 0%,
    rgba(10, 14, 10, 0.4) 50%,
    rgba(10, 14, 10, 0.8) 100%
  );
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141A12;
    --color-surface: #1A2118;
    --color-surface-2: #1F271D;
    --color-surface-offset: #1C2419;
    --color-surface-offset-2: #232B20;
    --color-surface-dynamic: #2B3427;
    --color-divider: #2F3A2B;
    --color-border: #3A4636;
    --color-text: #D1D8CC;
    --color-text-muted: #8A9584;
    --color-text-faint: #5C6957;
    --color-text-inverse: #1A2218;
    --color-primary: #5DA06E;
    --color-primary-hover: #4A8B5A;
    --color-primary-active: #3A7548;
    --color-primary-highlight: #263828;
    --color-primary-light: #1E2E20;
    --color-accent: #D4845E;
    --color-accent-hover: #C0724E;
    --color-accent-active: #AB6240;
    --color-accent-highlight: #3A2C24;
    --color-accent-light: #2E2420;
    --color-success: #6DAA45;
    --color-success-highlight: #2A3A22;
    --color-warning: #DDA24A;
    --color-warning-highlight: #3A3020;
    --color-error: #D06060;
    --color-error-highlight: #3A2222;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
    --shadow-xl: 0 20px 48px oklch(0 0 0 / 0.5);
    --hero-overlay: linear-gradient(
      to bottom,
      rgba(10, 14, 10, 0.7) 0%,
      rgba(10, 14, 10, 0.4) 50%,
      rgba(10, 14, 10, 0.8) 100%
    );
  }
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::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;
  hanging-punctuation: first last;
  scroll-padding-top: var(--space-16);
}

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);
}

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: 1.15;
  font-family: var(--font-display);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: oklch(from var(--color-primary) l c h / 0.25);
  color: var(--color-text);
}

: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;
}

table {
  border-collapse: collapse;
  width: 100%;
}

a, button, [role='button'], [role='link'], 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);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.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;
}