/* ==========================================================================
   LES PROJETS NUMERIQUES & ARCHIVES TECHNIQUES : TOMA CARL DAVID
   Esthetique : Dossier d'archives, documentation technique, haute typographie
   Strict zero em-dash rule in all comments and text
   ========================================================================== */

/* Suppression totale du tap-highlight iOS/Android sur les elements interactifs */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent !important;
  -webkit-touch-callout: none;
  outline: none;
}

:root {
  --bg-base: #07090D;
  --bg-card: #0E1218;
  --bg-card-hover: #141A23;
  --bg-elevated: #18202C;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(167, 139, 250, 0.45);
  --border-focus: rgba(255, 255, 255, 0.25);

  --accent: #A78BFA;
  --accent-soft: rgba(167, 139, 250, 0.12);
  --blue-brand: #38BDF8;
  --emerald-brand: #10B981;
  --gold-brand: #F5C518;

  --text-primary: #EDEDEF;
  --text-secondary: #A6ADBB;
  --text-muted: #7E8594;
  --text-dim: #606674;

  --radius-card: 16px;
  --radius-inner: 10px;
  --radius-pill: 9999px;

  --font-serif: Didot, "Playfair Display", "Times New Roman", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Geist Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Mode Clair Global */
[data-theme="light"] {
  --bg-base: #F4F5F7;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-elevated: #EDEFE3;
  --border-subtle: rgba(15, 23, 42, 0.09);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-focus: rgba(15, 23, 42, 0.25);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-dim: #94A3B8;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Texture de grain argentique 35mm */
.film-grain-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  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");
}

/* ==========================================================================
   En-tete de Navigation Harmonise (TW centre + Liens typographiques)
   ========================================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 9, 13, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] .site-nav {
  background: rgba(244, 245, 247, 0.92);
}

.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  max-width: 1560px;
  margin: 0 auto;
  padding: 10px 24px;
}

.nav-spacer-left {
  grid-column: 1;
}

.nav-title-group {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.nav-title-group:hover {
  opacity: 0.85;
}

.nav-monogram {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #FFFFFF;
}

[data-theme="light"] .nav-monogram {
  color: #0F172A;
}

.nav-divider {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.nav-author {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

[data-theme="light"] .nav-author {
  color: #475569;
}

.nav-pills-group {
  grid-column: 3;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.nav-pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  padding: 4px 8px;
  background: transparent !important;
  border: none !important;
  border-radius: 0;
  box-shadow: none !important;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.nav-pill-link:hover,
.nav-pill-link.active {
  color: #FFFFFF;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.6), 0 0 20px rgba(255, 255, 255, 0.25);
  font-weight: 600;
}

[data-theme="light"] .nav-pill-link {
  color: #64748B;
}

[data-theme="light"] .nav-pill-link:hover,
[data-theme="light"] .nav-pill-link.active {
  color: #0F172A;
  text-shadow: 0 0 10px rgba(15, 23, 42, 0.18);
  font-weight: 600;
}

/* ==========================================================================
   Page Hub Projets (projets.html) : Esthetique Archive / Table de travail
   ========================================================================== */
.projects-hub-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 24px 100px;
}

.hub-hero {
  margin-bottom: 56px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hub-meta-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(167, 139, 250, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.hub-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
}

.hub-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.6;
}

/* Grille Asymetrique des Projets (Style Dossier / Archives ouvertes) */
.projects-archive-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
}

.archive-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-spring), border-color 0.25s ease, box-shadow 0.35s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .archive-card {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.archive-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-active);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .archive-card:hover {
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

/* Asymetrie editoriale des cartes */
.archive-card-featured {
  grid-column: span 12;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--bg-card) 0%, #121824 100%);
}

[data-theme="light"] .archive-card-featured {
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
}

.archive-card-medium-left {
  grid-column: span 6;
  min-height: 480px;
}

.archive-card-medium-right {
  grid-column: span 6;
  min-height: 480px;
}

.card-archive-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.card-archive-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.dot-blue { background: var(--blue-brand); box-shadow: 0 0 8px var(--blue-brand); }
.dot-emerald { background: var(--emerald-brand); box-shadow: 0 0 8px var(--emerald-brand); }
.dot-purple { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

.card-project-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-project-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.card-project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

[data-theme="light"] .tech-tag {
  background: rgba(15, 23, 42, 0.04);
}

.card-footer-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: auto;
}

.card-footer-action svg {
  transition: transform 0.25s var(--ease-spring);
}

.archive-card:hover .card-footer-action svg {
  transform: translateX(4px);
}

/* Apercus visuels dans les fiches */
.card-preview-window {
  border-radius: var(--radius-inner);
  border: 1px solid var(--border-subtle);
  background: #05070A;
  overflow: hidden;
  position: relative;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .card-preview-window {
  background: #F8FAFC;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.preview-window-bar {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
}

.window-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.preview-window-content {
  padding: 24px;
}

/* ==========================================================================
   Pages Detaillees de Projet : Article Editorial + Rail Lateral Fixe
   ========================================================================== */
.case-study-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 40px 24px 120px;
  gap: 48px;
  align-items: start;
}

/* Colonne Principale Narrative */
.case-study-main {
  min-width: 0;
}

.case-study-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}

.case-study-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.case-study-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.case-study-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.case-study-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text-primary);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 18px;
  border-radius: var(--radius-inner);
  text-decoration: none;
  transition: transform 0.2s var(--ease-spring), opacity 0.2s ease;
}

.btn-primary-action:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn-secondary-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--radius-inner);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

[data-theme="light"] .btn-secondary-action {
  background: rgba(15, 23, 42, 0.04);
}

.btn-secondary-action:hover {
  border-color: var(--border-focus);
}

/* Sections Narratives de l'Article */
.narrative-section {
  margin-bottom: 48px;
}

.narrative-heading {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.heading-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 400;
}

.narrative-prose {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.narrative-highlight-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-inner);
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-primary);
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.metric-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-inner);
  padding: 18px;
}

.metric-figure {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.metric-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   Rail Lateral Persistant (Navigation directe inter-projets)
   ========================================================================== */
.case-study-rail {
  position: sticky;
  top: 74px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.rail-card-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 22px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .rail-card-wrapper {
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.rail-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.rail-kicker {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.rail-projects-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rail-project-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-inner);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s var(--ease-spring);
}

[data-theme="light"] .rail-project-link {
  background: rgba(15, 23, 42, 0.02);
}

.rail-project-link:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateX(3px);
}

.rail-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.rail-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.rail-item-tagline {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.rail-hub-button {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px;
  border-radius: var(--radius-inner);
  border: 1px dashed var(--border-subtle);
  transition: all 0.2s ease;
}

.rail-hub-button:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 960px) {
  .projects-archive-grid {
    grid-template-columns: 1fr;
  }
  .archive-card-featured,
  .archive-card-medium-left,
  .archive-card-medium-right {
    grid-column: span 1;
  }
  .archive-card-featured {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }
  .case-study-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .case-study-rail {
    position: static;
    order: 2;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    gap: 8px;
  }
  .nav-spacer-left {
    display: none;
  }
  .nav-title-group {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .nav-pills-group {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }
  .nav-pill-link {
    padding: 4px 6px;
    font-size: 10px;
  }
  .projects-hub-container,
  .case-study-layout {
    padding: 24px 16px 80px;
  }
}