/* ==========================================================================
   SILLAGE EVENTS — FEUILLE DE STYLE PRINCIPALE
   Direction artistique : Corporate, Premium, Éditoriale, Épurée & Humaine
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Palette de marque (extraite directement des SVG officiels) */
  --color-midnight: #0a122a;          /* Bleu nuit / pétrole profond du logo */
  --color-midnight-light: #141f3d;    /* Nuance pour survols ou arrière-plans sombres */
  --color-cream: #fbfaf8;             /* Blanc cassé / crème noble pour le fond */
  --color-cream-surface: #f4f2ec;     /* Surface crème douce pour cartes et respirations */
  --color-white: #ffffff;             /* Blanc pur pour cartes et contrastes nets */
  --color-bordeaux: #821f30;          /* Rouge bordeaux profond — accent ponctuel */
  --color-bordeaux-hover: #9c273c;    /* Accent au survol */
  --color-text: #232a38;              /* Anthracite lisible pour le texte courant */
  --color-text-muted: #5a6272;        /* Gris feutré pour les textes secondaires */
  --color-text-light: #7e8796;        /* Légendes et repères chronologiques */
  --color-border: rgba(10, 18, 42, 0.08);
  --color-border-hover: rgba(10, 18, 42, 0.16);
  --color-border-focus: #821f30;

  /* Typographie */
  --font-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Espacements & Rythme */
  --container-max: 1200px;
  --container-narrow: 840px;
  --section-pad-y: clamp(4.5rem, 8vw, 8rem);
  --section-pad-x: clamp(1.25rem, 5vw, 3rem);

  /* Rayons de courbure & Ombres (sobres et subtiles) */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-subtle: 0 10px 30px -10px rgba(10, 18, 42, 0.04);
  --shadow-hover: 0 16px 36px -10px rgba(10, 18, 42, 0.08);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-cream);
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Respect du choix prefers-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;
  }
}

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

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

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

ul, ol {
  list-style: none;
}

/* Accessibilité : Focus visibles */
:focus-visible {
  outline: 2px solid var(--color-bordeaux);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHIE ÉDITORIALE
   -------------------------------------------------------------------------- */
h1, h2, h3, .font-serif {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-midnight);
  line-height: 1.25;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-bordeaux);
  margin-bottom: 1rem;
}

.eyebrow::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 24px;
  height: 1px;
  background-color: var(--color-bordeaux);
  margin-left: 0.75rem;
  opacity: 0.5;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  color: var(--color-midnight);
}

.section-intro {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-bottom: 3.5rem;
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTENEURS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--section-pad-x);
  padding-right: var(--section-pad-x);
}

.container-narrow {
  max-width: var(--container-narrow);
}

section {
  position: relative;
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
}

/* --------------------------------------------------------------------------
   5. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 2rem 0;
  background-color: rgba(251, 250, 248, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: padding var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  padding: 1.5rem 0;
  background-color: rgba(251, 250, 248, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(10, 18, 42, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-midnight);
}

.header-logo-svg {
  height: clamp(114px, 15vw, 210px);
  width: auto;
  transition: transform var(--transition-fast);
}

.brand-link:hover .header-logo-svg {
  transform: translateY(-1px);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-bordeaux);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-midnight);
}

/* Sélecteur de langue */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  border-left: 1px solid var(--color-border);
  padding-left: 1.25rem;
  margin-left: 0.5rem;
}

.lang-btn {
  padding: 0.2rem 0.35rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-transform: uppercase;
}

.lang-btn:hover {
  color: var(--color-midnight);
}

.lang-btn.active {
  color: var(--color-midnight);
  font-weight: 700;
  border-bottom: 1.5px solid var(--color-bordeaux);
}

.lang-sep {
  opacity: 0.35;
  font-size: 0.75rem;
}

/* Bouton burger mobile */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px 8px;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  background: transparent;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-midnight);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Tiroir de menu mobile */
.nav-mobile-drawer {
  display: none;
}

@media (max-width: 880px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-mobile-drawer {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-cream);
    padding: 6rem 2.5rem 3rem;
    box-shadow: -10px 0 40px rgba(10, 18, 42, 0.1);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 105;
    overflow-y: auto;
  }

  .nav-mobile-drawer.open {
    transform: translateX(0);
  }

  .nav-mobile-drawer .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.75rem;
  }

  .nav-mobile-drawer .nav-link {
    font-size: 1.35rem;
    font-family: var(--font-serif);
  }

  .mobile-lang-wrap {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .mobile-lang-wrap .lang-btn {
    font-size: 0.95rem;
  }

  .backdrop-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 18, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 102;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .backdrop-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }
}

/* --------------------------------------------------------------------------
   6. BOUTONS (CTA)
   -------------------------------------------------------------------------- */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.85rem;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-midnight-light);
  border-color: var(--color-midnight-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(10, 18, 42, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-midnight);
  border: 1px solid var(--color-border-hover);
}

.btn-secondary:hover {
  border-color: var(--color-midnight);
  background-color: rgba(10, 18, 42, 0.02);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-midnight);
  border-color: var(--color-white);
}

/* --------------------------------------------------------------------------
   7. LE "FIL SILLAGE" (BACKGROUND SVG TRACER)
   -------------------------------------------------------------------------- */
.sillage-trail-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.sillage-trail-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  stroke-linecap: round;
}

.sillage-guide-path {
  fill: none;
  stroke: var(--color-midnight);
  stroke-width: 1.5;
  stroke-opacity: 0.18;
  will-change: stroke-dashoffset;
  transition: stroke-dashoffset 0.1s linear;
}

@media (max-width: 880px) {
  .sillage-trail-wrapper {
    display: none; /* Simplification maximale sur mobile */
  }
}

/* --------------------------------------------------------------------------
   8. SECTION HERO / ACCUEIL
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: clamp(14rem, 20vw, 20rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 960px;
}

.hero-symbol-mark {
  width: 82px;
  height: auto;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-signature {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-midnight);
  margin-bottom: 1.5rem;
}

.hero-brand {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 500;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}


.hero-tagline {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-bordeaux);
  margin-bottom: 2rem;
  letter-spacing: -0.005em;
}

.hero-text-block {
  max-width: 780px;
  margin-bottom: 2.25rem;
}

.hero-intro {
  font-size: clamp(1.05rem, 1.3vw, 1.18rem);
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.hero-details {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   9. SECTION EXPERTISE
   -------------------------------------------------------------------------- */
.expertise-section {
  background-color: var(--color-cream);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
}

.expertise-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
}

.expertise-steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
}

@media (max-width: 768px) {
  .expertise-steps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.step-card {
  position: relative;
  background-color: var(--color-white);
  padding: 2.5rem 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-hover);
}

.step-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.step-number {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-bordeaux);
}

.step-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.step-subtitle {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--color-midnight);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.step-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Emplacement photographique réservé (Placeholder architectural soigné) */
.editorial-frame {
  margin-top: 3.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-cream-surface);
  position: relative;
}

.placeholder-box {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(10, 18, 42, 0.02) 0%, rgba(130, 31, 48, 0.03) 100%);
  position: relative;
}

.placeholder-decor {
  width: 54px;
  height: 54px;
  margin-bottom: 1.25rem;
  opacity: 0.35;
  stroke: var(--color-midnight);
}

.placeholder-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-midnight);
  margin-bottom: 0.35rem;
}

.placeholder-note {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   10. SECTION ÉVÉNEMENTS
   -------------------------------------------------------------------------- */
.events-section {
  background-color: var(--color-white);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.events-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.event-row {
  display: grid;
  grid-template-columns: 340px 1fr;
  align-items: baseline;
  padding: 2.25rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-cream);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.event-row:hover {
  background-color: var(--color-white);
  border-bottom-color: var(--color-bordeaux);
  box-shadow: var(--shadow-subtle);
  transform: translateX(4px);
}

.event-row:last-child {
  border-bottom-color: var(--color-border);
}

.event-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-midnight);
  padding-right: 1.5rem;
}

.event-desc {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

@media (max-width: 820px) {
  .event-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.75rem 1.25rem;
  }
  .event-row:hover {
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   11. SECTION EXPÉRIENCE & DIMENSION INTERNATIONALE
   -------------------------------------------------------------------------- */
.experience-section {
  background-color: var(--color-cream);
  position: relative;
  z-index: 2;
}

.experience-intro-block {
  max-width: 780px;
  margin-bottom: 4rem;
}

.experience-lead {
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  line-height: 1.65;
  color: var(--color-midnight);
  font-weight: 500;
  margin-bottom: 1rem;
}

.experience-sublead {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* Chiffres clés */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.75rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 440px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-item {
  padding: 1.75rem 1.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
}

.stat-value {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.2vw, 3rem);
  font-weight: 600;
  color: var(--color-midnight);
  line-height: 1.1;
  margin-bottom: 0.65rem;
}

.stat-label {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Mention éthique obligatoire */
.stats-disclaimer {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: 1.25rem;
  padding-left: 0.25rem;
}

.stats-disclaimer::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background-color: var(--color-text-light);
  opacity: 0.5;
}

/* Bloc International intégré */
.international-box {
  margin-top: 4.5rem;
  padding: 3rem;
  background: var(--color-midnight);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -10px rgba(10, 18, 42, 0.25);
  position: relative;
  overflow: hidden;
}

.international-box::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(130, 31, 48, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.international-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 860px) {
  .international-box {
    padding: 2.25rem 1.75rem;
  }
  .international-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

.international-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.international-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.international-text {
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.international-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  padding-left: 2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 860px) {
  .international-badges {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1.5rem;
  }
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  font-family: var(--font-serif);
  color: var(--color-white);
  letter-spacing: 0.04em;
}

.lang-bullet {
  width: 6px;
  height: 6px;
  background-color: var(--color-bordeaux-hover);
  border-radius: 50%;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   12. SECTION FINALE : LAISSER UNE TRACE
   -------------------------------------------------------------------------- */
.trace-section {
  background-color: var(--color-white);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding-top: clamp(5rem, 9vw, 8.5rem);
  padding-bottom: clamp(5rem, 9vw, 8.5rem);
}

.trace-content {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.trace-section .section-title {
  font-size: clamp(2rem, 3.5vw, 2.85rem);
}

.trace-text {
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.trace-quote-card {
  position: relative;
  padding: 3rem 2.5rem;
  background-color: var(--color-cream);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.trace-quote-card::before {
  content: "“";
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-bordeaux);
  opacity: 0.12;
  pointer-events: none;
}


.trace-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-midnight);
}

/* Symbole 3 courbes résolution finale */
.trace-symbol-resolution {
  width: 140px;
  height: auto;
  margin: 1.5rem auto 0;
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   13. SECTION CONTACT
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--color-cream-surface);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--color-border);
}

.contact-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.contact-card .section-title {
  margin-bottom: 1rem;
}

.contact-intro {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.contact-profile-box {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

@media (max-width: 680px) {
  .contact-profile-box {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.contact-person-name {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  color: var(--color-midnight);
  margin-bottom: 0.25rem;
}

.contact-person-role {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bordeaux);
}

.contact-direct-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.direct-link-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-midnight);
  transition: color var(--transition-fast);
}

.direct-link-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-bordeaux);
  flex-shrink: 0;
}

.direct-link-item:hover {
  color: var(--color-bordeaux);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   14. FOOTER & LÉGAL
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-midnight);
  color: var(--color-white);
  padding: 4.5rem 0 3rem;
  position: relative;
  z-index: 2;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.footer-signature {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-scope {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-legal-btn {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: none;
  font-size: inherit;
}

.footer-legal-btn:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   15. MODALES LÉGALES (ACCESSIBLES ET SOBRES)
   -------------------------------------------------------------------------- */
.modal-dialog {
  border: none;
  border-radius: var(--radius-md);
  padding: 0;
  max-width: 680px;
  width: 90%;
  box-shadow: 0 25px 60px rgba(10, 18, 42, 0.35);
  background: var(--color-white);
  color: var(--color-text);
  margin: auto;
}

.modal-dialog::backdrop {
  background: rgba(10, 18, 42, 0.6);
  backdrop-filter: blur(6px);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-midnight);
}

.modal-close-btn {
  padding: 0.5rem;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--color-midnight);
}

.modal-body {
  padding: 2rem;
  max-height: 70vh;
  overflow-y: auto;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.modal-body h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-midnight);
}

.modal-body h3:first-child {
  margin-top: 0;
}

.modal-body p {
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   16. REVEAL ANIMATIONS (INTERSECTION OBSERVER)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Délai en cascade pour cartes */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}