/*!
 * base.css — Reset, box-sizing, root variables, skip-link, focus, reduced-motion
 * Variant: 02-spotlight-projector-3
 * Brand: Film Noir — High contrast B&W with selective gold color, moody shadow play
 * Colors: #F5C542 (gold_spotlight), #000000 (deep_black), #FFF7E6 (warm_white),
 *         #7A1F1F (burgundy), #3A3A3A (soft_shadow_gray), #FFB84D (amber_glow)
 * Fonts: Cinzel Bold (headlines), Lora Regular (body), Source Sans Pro (ui), Fira Code (code)
 */

@font-face {
  font-family: Cinzel;
  src: url('./fonts/cinzel.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Lora;
  src: url('./fonts/lora.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: Lora;
  src: url('./fonts/lora-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Source Sans Pro';
  src: url('./fonts/source-sans-pro.woff2') format('woff2');
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Source Sans Pro';
  src: url('./fonts/source-sans-pro-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand colors — Film Noir */
  --color-gold-spotlight: #f5c542;
  --color-deep-black: #000;
  --color-warm-white: #fff7e6;
  --color-burgundy: #7a1f1f;
  --color-soft-shadow-gray: #3a3a3a;
  --color-amber-glow: #ffb84d;

  /* Semantic aliases */
  --color-primary: var(--color-gold-spotlight);
  --color-background: var(--color-deep-black);
  --color-surface: rgb(255, 247, 230, 0.03);
  --color-surface-elevated: rgb(255, 247, 230, 0.05);
  --color-text-primary: var(--color-warm-white);
  --color-text-secondary: var(--color-soft-shadow-gray);
  --color-accent: var(--color-gold-spotlight);
  --color-link: var(--color-gold-spotlight);
  --color-link-hover: #ffb84d;
  --color-muted: #787878;

  /* Typography scale */
  --font-headline: 'Cinzel', georgia, serif;
  --font-body: 'Lora', georgia, serif;
  --font-ui: 'Source Sans Pro', system-ui, sans-serif;
  --font-code: 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows — subtle, gallery-like depth */
  --shadow-sm: 0 1px 2px rgb(0, 0, 0, 0.4);
  --shadow-md: 0 4px 8px rgb(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px rgb(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 40px rgb(0, 0, 0, 0.7);
  --shadow-gallery: 0 2px 20px rgb(201, 168, 76, 0.08);
  --shadow-gallery-hover: 0 4px 30px rgb(201, 168, 76, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-antique-gold);
  color: var(--color-deep-black);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-link-hover);
  outline-offset: 2px;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-antique-gold);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-antique-gold);
  color: var(--color-deep-black);
}

/* Reduced motion */
@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;
  }
}