/* ============================================
   PREMIER LUXURY INTERIORS — DESIGN SYSTEM
   Midnight navy + salmon accent, editorial luxury
   ============================================ */

:root {
  /* Type scale — fluid */
  --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: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1320px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Letter spacing */
  --tracking-widest: 0.24em;
  --tracking-wide: 0.08em;
}

/* ============================================
   COLOR — Light mode (warm porcelain)
   ============================================ */
:root,
[data-theme='light'] {
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e8e8e6;
  --color-divider: #d4d4d2;
  --color-border: #bcbcba;

  --color-text: #2c3434;          /* midnight navy as text */
  --color-text-muted: #4a5050;
  --color-text-faint: #9ba09e;
  --color-text-inverse: #ffffff;

  --color-primary: #2c3434;        /* midnight navy */
  --color-primary-hover: #1b2121;
  --color-primary-active: #0e1212;

  --color-accent: #8fa087;         /* warm salmon */
  --color-accent-hover: #768a6e;
  --color-accent-faint: #dde5d8;

  --shadow-sm: 0 1px 2px rgba(20, 33, 61, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 33, 61, 0.08);
  --shadow-lg: 0 24px 56px rgba(20, 33, 61, 0.14);
}

/* ============================================
   COLOR — Dark mode (midnight)
   ============================================ */
[data-theme='dark'] {
  --color-bg: #0e1110;             /* midnight base */
  --color-surface: #151918;
  --color-surface-2: #1d2120;
  --color-surface-offset: #252a28;
  --color-divider: #2f3431;
  --color-border: #3a403c;

  --color-text: #ece9df;
  --color-text-muted: #a8aea4;
  --color-text-faint: #6b7268;
  --color-text-inverse: #2c3434;

  --color-primary: #ece9df;
  --color-primary-hover: #ffffff;
  --color-primary-active: #d6d2c4;

  --color-accent: #a8b89e;
  --color-accent-hover: #c0ceb6;
  --color-accent-faint: #2a322b;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 56px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0e1110;
    --color-surface: #151918;
    --color-surface-2: #1d2120;
    --color-surface-offset: #252a28;
    --color-divider: #2f3431;
    --color-border: #3a403c;
    --color-text: #ece9df;
    --color-text-muted: #a8aea4;
    --color-text-faint: #6b7268;
    --color-text-inverse: #2c3434;
    --color-primary: #ece9df;
    --color-primary-hover: #ffffff;
    --color-primary-active: #d6d2c4;
    --color-accent: #a8b89e;
    --color-accent-hover: #c0ceb6;
    --color-accent-faint: #2a322b;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 56px rgba(0, 0, 0, 0.6);
  }
}

/* ============================================
   RESET + BASE
   ============================================ */
*, *::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;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

img, picture, video, 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-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
}

p, li, figcaption {
  text-wrap: pretty;
}

a { color: inherit; text-decoration: none; }

::selection {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  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), 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;
}