/* ===== Design tokens ===== */
:root {
  /* Type */
  --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, 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 / transitions */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== Palette: warm stone + evergreen (inferred for an Ohio consulting firm) ===== */
:root,
[data-theme='light'] {
  --color-bg: #f5f1ea;
  --color-surface: #faf6ee;
  --color-surface-2: #fefbf5;
  --color-surface-offset: #ece6da;
  --color-surface-offset-2: #e3dccc;
  --color-divider: #d9d1bf;
  --color-border: #c9c0aa;

  --color-text: #1e1c17;
  --color-text-muted: #6b6656;
  --color-text-faint: #a6a08f;
  --color-text-inverse: #f5f1ea;

  --color-primary: #2b4a3e;
  --color-primary-hover: #1e3a30;
  --color-primary-active: #142a23;
  --color-primary-highlight: #d5dfd7;

  --color-accent: #a35a2a;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 80 / 0.08);
  --shadow-lg: 0 20px 50px oklch(0.2 0.02 80 / 0.14);
}

[data-theme='dark'] {
  --color-bg: #14140f;
  --color-surface: #1a1a15;
  --color-surface-2: #201f19;
  --color-surface-offset: #24231d;
  --color-surface-offset-2: #2b2a23;
  --color-divider: #2b2a24;
  --color-border: #3b3a32;

  --color-text: #ebe6d8;
  --color-text-muted: #8f8b7c;
  --color-text-faint: #5f5c52;
  --color-text-inverse: #14140f;

  --color-primary: #7fb59d;
  --color-primary-hover: #98c8b3;
  --color-primary-active: #b1d8c5;
  --color-primary-highlight: #2a3b34;

  --color-accent: #d69566;

  --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 20px 50px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14140f;
    --color-surface: #1a1a15;
    --color-surface-2: #201f19;
    --color-surface-offset: #24231d;
    --color-surface-offset-2: #2b2a23;
    --color-divider: #2b2a24;
    --color-border: #3b3a32;
    --color-text: #ebe6d8;
    --color-text-muted: #8f8b7c;
    --color-text-faint: #5f5c52;
    --color-text-inverse: #14140f;
    --color-primary: #7fb59d;
    --color-primary-hover: #98c8b3;
    --color-primary-active: #b1d8c5;
    --color-primary-highlight: #2a3b34;
    --color-accent: #d69566;
  }
}

/* ===== 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;
  hanging-punctuation: first last;
  scroll-padding-top: 5rem;
}

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);
  font-feature-settings: 'ss01', 'cv11';
}

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: 1.1;
  font-weight: 500;
}
p, li, figcaption { text-wrap: pretty; }
p { max-width: 62ch; }

::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;
}

a { color: inherit; text-decoration: 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;
}