/* ============================================
   ONTARIO MULTIPLEX — BASE CSS
   Brand: Deep charcoal + warm gold + slate
   Perseverance Asset Management
   ============================================ */

/* ---- 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);
  --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;

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

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

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

  /* BRAND PALETTE — Luxury Real Estate Investment
     Deep charcoal surfaces, warm gold accent, slate mid-tones */

  /* Surfaces */
  --color-bg: #0e0d0b;
  --color-surface: #131210;
  --color-surface-2: #191815;
  --color-surface-offset: #1e1d1a;
  --color-surface-3: #252320;
  --color-border: #2e2c28;
  --color-divider: #252320;

  /* Text */
  --color-text: #e8e5df;
  --color-text-muted: #8a8680;
  --color-text-faint: #4a4845;
  --color-text-inverse: #0e0d0b;

  /* Primary — Warm Gold */
  --color-primary: #c9a84c;
  --color-primary-hover: #d4b567;
  --color-primary-active: #b8922e;
  --color-primary-dim: rgba(201, 168, 76, 0.12);
  --color-primary-border: rgba(201, 168, 76, 0.25);

  /* Accent — Slate Blue (for data/info elements) */
  --color-accent: #6b8fa8;
  --color-accent-hover: #8aadc5;

  /* Success / Warning */
  --color-success: #5a9e6a;
  --color-warning: #c47840;
  --color-error: #a85050;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(201, 168, 76, 0.08);

  /* Fonts */
  --font-display: 'Cormorant', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Light mode — cleaner professional version */
[data-theme="light"] {
  --color-bg: #f5f3ef;
  --color-surface: #faf9f6;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eeece7;
  --color-surface-3: #e6e3dc;
  --color-border: #d8d4cb;
  --color-divider: #e2dfd8;
  --color-text: #1a1814;
  --color-text-muted: #6b6860;
  --color-text-faint: #a8a59e;
  --color-text-inverse: #f5f3ef;
  --color-primary: #9b7730;
  --color-primary-hover: #b38d3c;
  --color-primary-active: #7a5e24;
  --color-primary-dim: rgba(155, 119, 48, 0.08);
  --color-primary-border: rgba(155, 119, 48, 0.2);
  --color-accent: #3d6b8a;
  --color-accent-hover: #2d5570;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 40px rgba(155, 119, 48, 0.06);
}

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

html {
  -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;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

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 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 68ch;
}

::selection {
  background: var(--color-primary-dim);
  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),
              opacity 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;
}

/* ---- LAYOUT UTILITIES ---- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.container--narrow {
  max-width: var(--content-default);
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

/* ---- TYPOGRAPHY UTILITIES ---- */
.text-hero { font-size: var(--text-3xl); font-family: var(--font-display); }
.text-2xl  { font-size: var(--text-2xl); font-family: var(--font-display); }
.text-xl   { font-size: var(--text-xl); }
.text-lg   { font-size: var(--text-lg); }
.text-base { font-size: var(--text-base); }
.text-sm   { font-size: var(--text-sm); }
.text-xs   { font-size: var(--text-xs); }
.text-muted  { color: var(--color-text-muted); }
.text-faint  { color: var(--color-text-faint); }
.text-primary { color: var(--color-primary); }
.text-center { text-align: center; }
.font-display { font-family: var(--font-display); }

/* ---- BUTTON COMPONENTS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 4px 20px rgba(201,168,76,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}
.btn-outline:hover {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-3);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ---- CARD COMPONENT ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card--hover:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  transition: all var(--transition-interactive);
}

/* ---- DIVIDER ---- */
.divider {
  height: 1px;
  background: var(--color-divider);
  border: none;
}

.divider--gold {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

/* ---- BADGE / TAG ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

/* ---- STAT BLOCK ---- */
.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.stat-block__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
}
.stat-block__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* ---- GRID UTILITIES ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---- FLEX UTILITIES ---- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ---- GOLD LINE ACCENT ---- */
.gold-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-primary);
  margin-bottom: var(--space-6);
}

.gold-line--center { margin-inline: auto; margin-bottom: var(--space-6); }

/* ---- FORM STYLES ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.form-textarea { resize: vertical; min-height: 120px; }

/* ---- SUBTLE TEXTURE OVERLAY ---- */
.texture-overlay {
  position: relative;
}
.texture-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='1' height='1' fill='rgba(255,255,255,0.015)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}