/* ============================================
   SAMSAKTI — Styles Globaux
   Reset + Variables + Utilitaires
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* Couleurs */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-accent-gold: #C9A84C;
  --color-accent-copper: #B87333;
  --color-accent-gradient: linear-gradient(135deg, #C9A84C, #B87333);
  --color-text-primary: #F5F0E8;
  --color-text-secondary: #A0998C;
  --color-border: rgba(201, 168, 76, 0.2);
  --color-glow: rgba(201, 168, 76, 0.3);

  /* Typographie */
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-accent: 'Space Grotesk', sans-serif;

  /* Espacements */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-width: min(90%, 1200px);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;

  /* Bordures */
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-pill: 50px;

  /* Ombres */
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px var(--color-glow);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* --- Skip to content (accessibilité) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* --- Container --- */
.container {
  width: var(--container-width);
  margin-inline: auto;
}

/* --- Titres de section --- */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent-gradient);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* --- Sections --- */
.section {
  padding: var(--section-padding) 0;
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-accent);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  transition: all var(--transition-medium);
  text-decoration: none;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-accent-gradient);
  color: var(--color-bg-primary);
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(201, 168, 76, 0.2);
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* --- Focus visible global --- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

/* --- Sélection texte --- */
::selection {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
}

/* --- Utilitaire : texte accent --- */
.text-accent {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}