/* ==========================================================================
   base.css: design tokens + reset for karlkrecke.com
   ========================================================================== */

:root {
  /* Fluid 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, 0.5rem + 7vw, 7.5rem);

  /* 4px 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: 0.625rem; --radius-lg: 1rem;
  --radius-xl: 1.5rem;   --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1000px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Clash Display', 'Georgia', serif;
  --font-body: 'General Sans', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, 'SFMono-Regular', monospace;
}

/* ---- LIGHT (warm paper + terracotta accent) ---- */
:root,
[data-theme='light'] {
  --color-bg: #f7f1e8;
  --color-surface: #fdf9f1;
  --color-surface-2: #fffdf9;
  --color-surface-offset: #f0e7d8;
  --color-surface-offset-2: #e9ddc8;
  --color-divider: #e2d5c0;
  --color-border: #d8c8ac;

  --color-text: #2a2118;
  --color-text-muted: #6d6152;
  --color-text-faint: #a89b88;
  --color-text-inverse: #fdf9f1;

  /* Primary: terracotta / burnt sienna */
  --color-primary: #c05327;
  --color-primary-hover: #a3431d;
  --color-primary-active: #813315;
  --color-primary-soft: #f3ddce;

  /* Secondary: deep teal (data / places accents) */
  --color-teal: #14706e;
  --color-teal-soft: #cfe3e0;

  /* Gold: highlight for metrics */
  --color-gold: #b5852a;
  --color-gold-soft: #ecdcb6;

  --color-good: #3f7a34;
  --color-bad: #b23b2e;

  --shadow-sm: 0 1px 2px oklch(0.3 0.03 60 / 0.10);
  --shadow-md: 0 6px 20px oklch(0.3 0.03 60 / 0.12);
  --shadow-lg: 0 18px 48px oklch(0.3 0.03 60 / 0.18);
}

/* ---- DARK (warm charcoal + brighter terracotta) ---- */
[data-theme='dark'] {
  --color-bg: #1a1611;
  --color-surface: #211c16;
  --color-surface-2: #29241c;
  --color-surface-offset: #241f18;
  --color-surface-offset-2: #2e281f;
  --color-divider: #332c22;
  --color-border: #423a2d;

  --color-text: #ece3d4;
  --color-text-muted: #a79a86;
  --color-text-faint: #6f6553;
  --color-text-inverse: #1a1611;

  --color-primary: #e8763f;
  --color-primary-hover: #f28a55;
  --color-primary-active: #f7a077;
  --color-primary-soft: #3a2a1f;

  --color-teal: #4fb4ab;
  --color-teal-soft: #24322f;

  --color-gold: #d7ab54;
  --color-gold-soft: #37301f;

  --color-good: #7bbf68;
  --color-bad: #e17567;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1a1611; --color-surface: #211c16; --color-surface-2: #29241c;
    --color-surface-offset: #241f18; --color-surface-offset-2: #2e281f;
    --color-divider: #332c22; --color-border: #423a2d;
    --color-text: #ece3d4; --color-text-muted: #a79a86; --color-text-faint: #6f6553;
    --color-text-inverse: #1a1611;
    --color-primary: #e8763f; --color-primary-hover: #f28a55; --color-primary-active: #f7a077;
    --color-primary-soft: #3a2a1f; --color-teal: #4fb4ab; --color-teal-soft: #24322f;
    --color-gold: #d7ab54; --color-gold-soft: #37301f;
    --color-good: #7bbf68; --color-bad: #e17567;
  }
}

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

html {
  -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: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  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; }
p, li, figcaption { text-wrap: pretty; }

a { color: inherit; }

::selection { background: color-mix(in oklab, var(--color-primary) 28%, transparent); 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'], 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;
}