/* base.css — Reset, Design Tokens, Typography Scale */
/* LocalRealEstateGuide™ — Editorial Real Estate Guide */

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

html {
  overflow-x: hidden;
  -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;
  overflow-x: hidden;
  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, serif);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: min(72ch, 100%);
}

::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);
}

.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;
}

/* ========================================
   DESIGN 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);

  /* 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;
  --content-full: 100%;

  /* Font families */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;
}

/* ========================================
   LIGHT MODE (Default)
   ======================================== */
:root,
[data-theme='light'] {
  /* Surfaces — warm cream/ivory */
  --color-bg: #FAF8F3;
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F1EA;
  --color-surface-offset: #EDE8DE;
  --color-divider: #D9D3C7;
  --color-border: #CCC5B8;

  /* Text */
  --color-text: #1A1A1A;
  --color-text-muted: #5C5C5C;
  --color-text-faint: #9C9687;
  --color-text-inverse: #FAF8F3;

  /* Primary — Deep Forest Green */
  --color-primary: #1B4332;
  --color-primary-hover: #143528;
  --color-primary-active: #0D261C;
  --color-primary-light: #2D6A4F;
  --color-primary-highlight: #D8E8DF;

  /* Accent — Terracotta */
  --color-accent: #C45C26;
  --color-accent-hover: #A84D1F;
  --color-accent-active: #8E3F18;
  --color-accent-light: #E8915F;
  --color-accent-highlight: #F5DFD0;

  /* Status */
  --color-success: #437A22;
  --color-error: #B83232;
  --color-warning: #C78C1E;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(27, 67, 50, 0.06);
  --shadow-md: 0 4px 12px rgba(27, 67, 50, 0.08);
  --shadow-lg: 0 12px 32px rgba(27, 67, 50, 0.12);
  --shadow-xl: 0 20px 48px rgba(27, 67, 50, 0.16);
}

/* ========================================
   DARK MODE
   ======================================== */
[data-theme='dark'] {
  --color-bg: #111A15;
  --color-surface: #172019;
  --color-surface-2: #1D2820;
  --color-surface-offset: #1A2319;
  --color-divider: #2A3A2E;
  --color-border: #354838;

  --color-text: #D8E8DF;
  --color-text-muted: #8FAA96;
  --color-text-faint: #5A7360;
  --color-text-inverse: #111A15;

  --color-primary: #52B788;
  --color-primary-hover: #74C69D;
  --color-primary-active: #95D5B2;
  --color-primary-light: #40916C;
  --color-primary-highlight: #1D3A2B;

  --color-accent: #E8915F;
  --color-accent-hover: #F0A87A;
  --color-accent-active: #F5BF9A;
  --color-accent-light: #C45C26;
  --color-accent-highlight: #3A2820;

  --color-success: #6DAA45;
  --color-error: #E05555;
  --color-warning: #E8B84C;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #111A15;
    --color-surface: #172019;
    --color-surface-2: #1D2820;
    --color-surface-offset: #1A2319;
    --color-divider: #2A3A2E;
    --color-border: #354838;

    --color-text: #D8E8DF;
    --color-text-muted: #8FAA96;
    --color-text-faint: #5A7360;
    --color-text-inverse: #111A15;

    --color-primary: #52B788;
    --color-primary-hover: #74C69D;
    --color-primary-active: #95D5B2;
    --color-primary-light: #40916C;
    --color-primary-highlight: #1D3A2B;

    --color-accent: #E8915F;
    --color-accent-hover: #F0A87A;
    --color-accent-active: #F5BF9A;
    --color-accent-light: #C45C26;
    --color-accent-highlight: #3A2820;

    --color-success: #6DAA45;
    --color-error: #E05555;
    --color-warning: #E8B84C;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6);
  }
}