/* ============================================
   BASE — Reset + Tokens
   ============================================ */

: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,     0.5rem  + 7vw,    8rem);

  /* 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;

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

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.15 0.02 50 / 0.08);
  --shadow-md: 0 4px 12px oklch(0.15 0.02 50 / 0.12);
  --shadow-lg: 0 12px 32px oklch(0.15 0.02 50 / 0.18);

  /* Fonts */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
}

/* ---- LIGHT MODE (default) ---- */
:root, [data-theme="light"] {
  --color-bg:              #f5f2ec;
  --color-surface:         #f8f6f1;
  --color-surface-2:       #faf9f6;
  --color-surface-offset:  #ede9e0;
  --color-surface-dynamic: #e4dfd5;
  --color-divider:         #d8d3c8;
  --color-border:          #cbc6ba;

  --color-text:            #211d14;
  --color-text-muted:      #6b6760;
  --color-text-faint:      #b0ada7;
  --color-text-inverse:    #f8f6f1;

  /* Forest pine green — primary */
  --color-primary:         #2d5a3d;
  --color-primary-hover:   #1f4129;
  --color-primary-active:  #152c1c;
  --color-primary-highlight: #c8d9cc;

  /* Warm amber — accent for CTAs */
  --color-accent:          #b06a1a;
  --color-accent-hover:    #8c4f0f;
  --color-accent-active:   #6a3a09;
  --color-accent-highlight: #e8d5bb;
}

/* ---- DARK MODE ---- */
[data-theme="dark"] {
  --color-bg:              #131210;
  --color-surface:         #191713;
  --color-surface-2:       #1e1c18;
  --color-surface-offset:  #161410;
  --color-surface-dynamic: #252219;
  --color-divider:         #2a2720;
  --color-border:          #363028;

  --color-text:            #e0dbd2;
  --color-text-muted:      #7a7670;
  --color-text-faint:      #524e48;
  --color-text-inverse:    #1a1915;

  --color-primary:         #5c9e72;
  --color-primary-hover:   #4a8a5e;
  --color-primary-active:  #3a6e4a;
  --color-primary-highlight: #1e3328;

  --color-accent:          #d4854a;
  --color-accent-hover:    #c47035;
  --color-accent-active:   #a85c24;
  --color-accent-highlight: #3d281a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #131210;
    --color-surface:         #191713;
    --color-surface-2:       #1e1c18;
    --color-surface-offset:  #161410;
    --color-surface-dynamic: #252219;
    --color-divider:         #2a2720;
    --color-border:          #363028;
    --color-text:            #e0dbd2;
    --color-text-muted:      #7a7670;
    --color-text-faint:      #524e48;
    --color-text-inverse:    #1a1915;
    --color-primary:         #5c9e72;
    --color-primary-hover:   #4a8a5e;
    --color-primary-active:  #3a6e4a;
    --color-primary-highlight: #1e3328;
    --color-accent:          #d4854a;
    --color-accent-hover:    #c47035;
    --color-accent-active:   #a85c24;
    --color-accent-highlight: #3d281a;
  }
}

/* ---- 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-16);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  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 / 0.2); 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;
    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),
              opacity 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;
}
