/* ==========================================================================
   7RUN — Design System 100% Monochrome (Noir, Blanc & Titane)
   Haute Édition & Journalisme Running Contemporain
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700;800&family=Space+Grotesk:wght@500;600;700&family=Syne:wght@700;800&display=swap');

:root {
  /* Dark Monochrome Theme (Default) */
  --bg-body: #050507;
  --bg-surface: #0E0F12;
  --bg-card: #14151A;
  --bg-card-hover: #1C1E24;
  --bg-card-active: #242730;
  --bg-overlay: rgba(5, 5, 7, 0.94);
  --bg-glass: rgba(14, 15, 18, 0.88);

  --border-subtle: rgba(255, 255, 255, 0.10);
  --border-medium: rgba(255, 255, 255, 0.22);
  --border-bright: #FFFFFF;

  --text-primary: #FFFFFF;
  --text-secondary: #A2A7B2;
  --text-muted: #656A76;
  --text-inverse: #050507;

  /* Pure Monochrome Accents */
  --accent-white: #FFFFFF;
  --accent-light: #F0F1F5;
  --accent-glow: rgba(255, 255, 255, 0.15);

  --gradient-dark: linear-gradient(180deg, rgba(5,5,7,0) 0%, rgba(5,5,7,0.96) 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);

  /* Typography */
  --font-brand: 'Syne', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevation */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.9);
  --shadow-glow: 0 0 25px rgba(255, 255, 255, 0.12);

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --trans-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
}

[data-theme="light"] {
  --bg-body: #F7F8FA;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F0F2F6;
  --bg-card-active: #E4E7EE;
  --bg-overlay: rgba(247, 248, 250, 0.94);
  --bg-glass: rgba(255, 255, 255, 0.9);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.20);
  --border-bright: #050507;

  --text-primary: #0A0B0E;
  --text-secondary: #4C5260;
  --text-muted: #8A92A2;
  --text-inverse: #FFFFFF;

  --accent-white: #0A0B0E;
  --accent-light: #1A1C22;
  --accent-glow: rgba(0, 0, 0, 0.1);

  --gradient-dark: linear-gradient(180deg, rgba(247,248,250,0) 0%, rgba(247,248,250,0.96) 100%);
  --gradient-card: linear-gradient(180deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0) 100%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   Reset & Baseline
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--trans-normal), color var(--trans-normal);
  position: relative;
}

/* 1. Grain Argentique Subtil (Film Grain Overlay) */
.film-grain-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 999;
  opacity: 0.038;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* 2. Barre de Progression de Lecture au Sommet */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--text-primary);
  z-index: 1000;
  transition: width 0.08s ease-out;
}


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

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

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

input, select {
  font-family: inherit;
  outline: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 28px;
}

.section-padding {
  padding: 72px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 44px 0;
  }
  .container {
    padding: 0 18px;
  }
}

/* Section Header Typography Suisse */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 18px;
  flex-wrap: wrap;
  gap: 16px;
}

.framing-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.framing-code::before {
  content: '//';
  font-weight: 800;
  color: var(--text-primary);
}

.section-title {
  font-family: var(--font-brand);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 26px;
  background-color: var(--accent-white);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Typographie de Presse : Lettrine (Drop Cap) */
.drop-cap::first-letter {
  float: left;
  font-family: var(--font-brand);
  font-size: 3.8rem;
  line-height: 0.8;
  padding-top: 4px;
  padding-right: 12px;
  padding-bottom: 2px;
  color: var(--text-primary);
  font-weight: 800;
}

/* Badges & Pills (100% Monochrome) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-xs);
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.badge-solid {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.badge-outline {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--text-secondary);
}

/* Action Buttons (100% Monochrome) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-xs);
  transition: all var(--trans-fast);
}

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

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

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

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

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

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-xs);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.btn-icon:hover {
  border-color: var(--text-primary);
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Optimisation Print Layout (Impression Propre / Mode Journal Papier)
   ========================================================================== */
@media print {
  .film-grain-overlay,
  .scroll-progress-bar,
  .magnetic-cursor-badge,
  .main-header,
  .edition-bar,
  .feed-controls,
  .newsletter-box,
  .main-footer,
  .modal-close-btn,
  .btn {
    display: none !important;
  }

  body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 11pt;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .article-card, .race-card-box, .gear-card {
    break-inside: avoid;
    border: 1px solid #000000 !important;
    box-shadow: none !important;
    margin-bottom: 20px;
  }
}