/* ==========================================================================
   DIGITAL FOOD SYSTEM — FEUILLE DE STYLE DE PRODUCTION OFFICIELLE
   Direction Artistique Validée : A4 — Digital Vivant / P3 Évoluée (Logo XL ~80px)
   ========================================================================== */

:root {
  --dfs-dark: #222120;
  --dfs-dark-soft: #383633;
  --dfs-muted: #6e6b66;
  --dfs-muted-light: #94908a;

  /* Couleur signature extraite de la cloche officielle du logo */
  --dfs-taupe: #b5a386;
  --dfs-taupe-light: #ece5d8;
  --dfs-taupe-deep: #786b57;
  --dfs-taupe-subtle: rgba(181, 163, 134, 0.16);
  --dfs-taupe-hover: #9c896d;

  --dfs-cream: #faf9f6;
  --dfs-cream-warm: #f4efe6;
  --dfs-cream-card: #f9f7f2;
  --dfs-white: #ffffff;
  
  --dfs-border: rgba(181, 163, 134, 0.28);
  --dfs-border-soft: rgba(0, 0, 0, 0.08);

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Conteneurs et largeurs maîtrisées (Direction A4/P3) */
  --container-max: 1240px;
  --container-wide: 1240px;
  --container-medium: 1040px;
  --container-narrow: 760px;
  --container-reading: 780px;
  --container-editorial: 680px;

  /* Marges de page et respiration */
  --page-gutter: clamp(20px, 4vw, 48px);

  /* NIVEAUX D'ESPACEMENT DE SECTION STRICTS */
  --space-section: clamp(80px, 7.5vw, 112px);
  --space-section-compact: clamp(52px, 5vw, 76px);
  --section-space: var(--space-section);
  --section-space-sm: var(--space-section-compact);

  /* Rythme vertical du Hero */
  --space-hero-pt: clamp(48px, 5vw, 64px);
  --space-hero-pb: clamp(56px, 6vw, 80px);
  --space-hero-kicker-to-title: 14px;
  --space-hero-title-to-intro: 20px;
  --space-hero-intro-to-actions: 28px;

  /* Rythme vertical de l'en-tête de section (.section-heading) */
  --space-heading-to-content: clamp(32px, 3.2vw, 44px);
  --space-kicker-to-title: 14px;
  --space-title-to-intro: 20px;

  /* Rythme contenu vers CTA de section */
  --space-content-to-actions: clamp(32px, 3vw, 44px);

  /* Longueur typographique optimale pour lecture */
  --text-max-ch: 65ch;
  --text-max-width: 680px;

  /* Couleurs et typographies sémantiques universelles */
  --c-bg: #faf9f6;
  --c-surface: #ffffff;
  --c-border: rgba(181, 163, 134, 0.28);
  --c-border-soft: rgba(0, 0, 0, 0.08);
  --c-text: #222120;
  --c-text-muted: #6e6b66;
  --c-primary: #786b57;
  --c-primary-light: #ece5d8;
  --c-accent: #c68e5a;

  --f-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-subtle: 0 10px 30px -10px rgba(34, 33, 32, 0.08);
  --shadow-elevated: 0 20px 48px -15px rgba(34, 33, 32, 0.16);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   GRILLE GLOBALE UNIQUE & SOURCE DE VÉRITÉ DU CONTENEUR
   ========================================================================== */
.page-container {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-wide));
  margin-inline: auto;
  box-sizing: border-box;
}

.page-container--medium {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-medium));
  margin-inline: auto;
  box-sizing: border-box;
}

.page-container--narrow {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-narrow));
  margin-inline: auto;
  box-sizing: border-box;
}

.page-container--editorial {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container-editorial));
  margin-inline: auto;
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--dfs-cream);
  color: var(--dfs-dark);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Accessibilité Clavier */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--dfs-dark);
  color: var(--dfs-white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 16px;
}

:focus-visible {
  outline: 3px solid var(--dfs-taupe);
  outline-offset: 3px;
}

/* Liens et typographie globale */
a {
  color: inherit;
  text-decoration: none;
}

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

/* ==========================================================================
   HEADER DE PRODUCTION (LOGO XL ~80 PX)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dfs-border);
  padding: 16px 40px;
  transition: padding 0.3s ease, background 0.3s ease;
}

.site-header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

/* Logo XL Officiel & Micro-signature territoriale */
.site-logo-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center; /* Parfaitement centré sous le logo */
  text-align: center;
  text-decoration: none;
  gap: 8px; /* Espace augmenté pour bien distinguer le logo et la mention */
  flex-shrink: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-logo-link:hover {
  transform: translateY(-1px);
}

.site-logo-img {
  height: 80px; /* Taille XL validée */
  width: auto;
  display: block;
  margin: 0 auto;
}

.site-logo-sub {
  font-family: var(--font-display, var(--font-body));
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  white-space: nowrap;
  line-height: 1;
  text-align: center;
  width: 100%;
}

/* Rétrocompatibilité / Fallback badge territorial autonome */
.header-territory-tag {
  display: none !important;
}

/* Navigation principale mono-ligne */
.site-navigation {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 28px);
}

.nav-links-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: clamp(10px, 1.2vw, 18px);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dfs-dark-soft);
  transition: color 0.2s ease;
  position: relative;
  padding: 8px 2px;
  white-space: nowrap !important;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--dfs-taupe-deep);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--dfs-taupe);
  transition: width 0.2s ease;
}

.nav-link:hover::after,
.nav-item.has-dropdown:hover .nav-link::after,
.nav-item.has-dropdown.is-open .nav-link::after {
  width: 100%;
}

.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--dfs-taupe-deep);
}

.nav-link.active::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.mega-link.active,
.mega-link[aria-current="page"],
.dropdown-link.active,
.dropdown-link[aria-current="page"] {
  color: var(--dfs-taupe-deep) !important;
  font-weight: 700 !important;
}

.dropdown-chevron {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
  display: inline-block;
  opacity: 0.7;
}

.nav-item.has-dropdown:hover .dropdown-chevron,
.nav-item.has-dropdown:focus-within .dropdown-chevron,
.nav-item.has-dropdown.is-open .dropdown-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* Méga-Menu Solutions */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: min(880px, 92vw);
  background: var(--dfs-cream);
  border: 1px solid var(--dfs-border);
  border-top: 3px solid var(--dfs-taupe-deep);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 40px rgba(34, 33, 32, 0.14);
  padding: 24px 28px;
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

.nav-item.has-mega:hover .mega-menu,
.nav-item.has-mega:focus-within .mega-menu,
.nav-item.has-mega.is-open .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-poles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mega-pole-title {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dfs-taupe-deep);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--dfs-border);
}

.mega-pole-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.mega-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--dfs-dark-soft);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
  white-space: nowrap;
}

.mega-link:hover {
  color: var(--dfs-taupe-deep);
  transform: translateX(3px);
}

.mega-menu-footer {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--dfs-border);
  text-align: right;
}

.mega-view-all {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--dfs-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mega-view-all:hover {
  color: var(--dfs-taupe-deep);
  text-decoration: underline;
}

/* Sous-menu déroulant Secteurs */
.dropdown-menu-wrap {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: var(--dfs-cream);
  border: 1px solid var(--dfs-border);
  border-top: 3px solid var(--dfs-taupe-deep);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 40px rgba(34, 33, 32, 0.14);
  padding: 16px 20px;
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}

.nav-item.has-dropdown:hover .dropdown-menu-wrap,
.nav-item.has-dropdown:focus-within .dropdown-menu-wrap,
.nav-item.has-dropdown.is-open .dropdown-menu-wrap {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.dropdown-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--dfs-dark-soft);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
  white-space: nowrap;
}

.dropdown-link:hover {
  color: var(--dfs-taupe-deep);
  transform: translateX(3px);
}

.dropdown-menu-topbar {
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--dfs-border);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.dropdown-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
}

.dropdown-main-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--dfs-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.dropdown-main-link:hover {
  color: var(--dfs-taupe-deep);
}

.dropdown-groups-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dropdown-group-heading {
  font-family: var(--font-mono, monospace);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  margin: 0 0 8px 0;
}

.dropdown-menu-footer {
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--dfs-border);
}

.dropdown-view-all {
  font-family: var(--font-display);
  font-size: 0.80rem;
  font-weight: 700;
  color: var(--dfs-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dropdown-view-all:hover {
  color: var(--dfs-taupe-deep);
  text-decoration: underline;
}

/* Conteneur CTA Header */
.header-cta-wrap {
  flex-shrink: 0;
}

/* Boutons d'action */
.btn-talk-arch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dfs-dark);
  color: var(--dfs-white);
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.btn-talk-arch:hover {
  background: var(--dfs-taupe-deep);
  color: var(--dfs-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(34, 33, 32, 0.18);
}

.btn-talk-arch .arrow-ico {
  transition: transform 0.2s ease;
}

.btn-talk-arch:hover .arrow-ico {
  transform: translateX(4px);
}

/* Toggle Mobile */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--dfs-border);
  padding: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dfs-dark);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   SECTION 1 : HERO DES BESOINS CLIENTS (1440x900 SANS SCROLL FORCÉ)
   ========================================================================== */

.hero-screen-section {
  width: 100%;
  min-height: calc(900px - 110px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 36px 0 24px;
  border-bottom: 1px solid var(--dfs-border);
  background: linear-gradient(180deg, var(--dfs-cream) 0%, #f6f3eb 100%);
}

.hero-screen-inner {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  flex: 1;
  gap: 32px;
}

/* Titre & Proposition de Valeur Asymétrique */
.arch-headline-wrap {
  margin-bottom: 12px;
}

.headline-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: flex-end;
}

.arch-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  margin-bottom: 12px;
}

.arch-title {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--dfs-dark);
}

.arch-title .title-taupe {
  color: var(--dfs-taupe);
}

.arch-desc {
  font-size: 1.12rem;
  line-height: 1.55;
  color: var(--dfs-dark-soft);
  margin-bottom: 20px;
}

.headline-cta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary-arch {
  display: inline-flex;
  align-items: center;
  background: var(--dfs-dark);
  color: var(--dfs-white);
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.96rem;
  transition: var(--transition-smooth);
}

.btn-primary-arch:hover {
  background: var(--dfs-taupe-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 33, 32, 0.2);
}

.hint-arch {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dfs-muted);
}

/* ==========================================================================
   SECTION 2 : LES 3 GRANDS PANNEAUX EXPONSIBLES (BESOINS CLIENTS)
   ========================================================================== */

.arch-panels-section {
  display: flex;
  gap: 16px;
  height: 380px;
  width: 100%;
}

.arch-panel {
  position: relative;
  flex: 1;
  background: var(--dfs-white);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  overflow: hidden;
  transition: flex 0.45s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.arch-panel:hover,
.arch-panel:focus-visible {
  border-color: var(--dfs-taupe);
}

.arch-panel.active {
  flex: 2.3;
  background: #ffffff;
  border-color: var(--dfs-taupe);
  box-shadow: 0 16px 36px rgba(181, 163, 134, 0.22);
}

/* Fond ambiance graphique subtil */
.panel-graphic-layer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.ambient-contour {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  top: -80px;
  right: -80px;
  filter: blur(48px);
  opacity: 0.35;
  transition: opacity 0.4s ease;
}

.arch-panel.active .ambient-contour {
  opacity: 0.7;
}

.c-visible { background: radial-gradient(circle, rgba(181, 163, 134, 0.5) 0%, transparent 70%); }
.c-vendre { background: radial-gradient(circle, rgba(198, 142, 90, 0.4) 0%, transparent 70%); }
.c-simplifier { background: radial-gradient(circle, rgba(120, 107, 87, 0.45) 0%, transparent 70%); }

/* En-tête de panneau */
.panel-header-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--dfs-border-soft);
  padding-bottom: 14px;
}

.panel-num {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dfs-taupe-deep);
  background: var(--dfs-cream-warm);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border);
}

.panel-tag-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--dfs-dark);
  text-transform: uppercase;
}

/* Contenu des panneaux */
.panel-content-wrap {
  position: relative;
  z-index: 2;
  margin-top: 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* Version repliée */
.panel-collapsed-label {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--dfs-muted);
  line-height: 1.45;
  display: block;
  transition: opacity 0.2s ease;
}

.arch-panel.active .panel-collapsed-label {
  display: none;
}

/* Version dépliée */
.panel-expanded-details {
  display: none;
  animation: fadeInPanel 0.35s ease forwards;
}

.arch-panel.active .panel-expanded-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.pec-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--dfs-taupe-deep);
  text-transform: uppercase;
}

.pec-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--dfs-dark);
}

.pec-lead {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--dfs-dark-soft);
}

.pec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.pec-chips span {
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--dfs-cream-warm);
  color: var(--dfs-dark-soft);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border);
}

/* ==========================================================================
   RYTHME DE SECTION STANDARDISÉ (3 NIVEAUX STRICTS)
   ========================================================================== */
.section-standard,
.transition-section,
.section-transition,
.proof-lorho-section,
.section-lorho-showcase,
.real-proofs-section,
.expertise-section,
.skills-section,
.sectors-section,
.method-section,
.blog-preview-section,
.contact-section,
.solution-content-wrap,
.realisations-showcase-section {
  padding-top: var(--space-section) !important;
  padding-bottom: var(--space-section) !important;
}

.section-compact {
  padding-top: var(--space-section-compact) !important;
  padding-bottom: var(--space-section-compact) !important;
}

/* Composant d'en-tête de section partagé */
.section-heading {
  max-width: var(--container-editorial);
  margin-bottom: var(--space-heading-to-content) !important;
}

.section-heading.text-center {
  margin-inline: auto;
  text-align: center;
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  margin-bottom: var(--space-kicker-to-title) !important;
  line-height: 1.3;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--dfs-dark);
  margin-bottom: var(--space-title-to-intro) !important;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--dfs-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: var(--text-max-ch) !important;
  margin: 0;
}

/* ==========================================================================
   SECTION 3 : TRANSITION ÉDITORIALE (DU BESOIN AU TERRAIN)
   ========================================================================== */

.transition-section,
.section-transition {
  background: var(--dfs-cream);
  border-bottom: 1px solid var(--dfs-border);
}

.transition-container {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.transition-divider-line {
  width: 64px;
  height: 3px;
  background: var(--dfs-taupe);
  margin: 0 auto 32px;
  border-radius: 2px;
}

.transition-kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  display: block;
  margin-bottom: 16px;
}

.transition-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--dfs-dark);
  margin-bottom: 20px;
}

.transition-title .trans-highlight {
  color: var(--dfs-taupe-deep);
}

.transition-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--dfs-dark-soft);
}

/* Grille des 3 principes directeurs de terrain */
.principles-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 2.5vw, 36px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.principle {
  background: var(--dfs-white);
  border: 1px solid var(--dfs-border);
  border-top: 3px solid var(--dfs-taupe);
  border-radius: var(--radius-sm);
  padding: clamp(26px, 2.4vw, 34px);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.principle:hover {
  transform: translateY(-3px);
  border-color: var(--dfs-taupe);
  box-shadow: 0 10px 28px rgba(34, 33, 32, 0.08);
}

.principle-index {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--dfs-taupe-deep);
  letter-spacing: 0.16em;
  line-height: 1;
  display: inline-block;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--dfs-taupe);
  width: 36px;
}

.principle-content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.principle-title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--dfs-dark);
  line-height: 1.3;
  margin: 0 0 12px 0;
  letter-spacing: -0.015em;
}

.principle-text {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--dfs-muted);
  margin: 0;
  flex: 1;
}

/* ==========================================================================
   SECTION 4 : PREUVE MAJEURE D'EXCELLENCE — MAISON LORHO
   ========================================================================== */

.proof-lorho-section {
  background: #ffffff;
  border-bottom: 1px solid var(--dfs-border);
}

.lorho-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.lorho-header-block {
  max-width: 920px;
  margin-bottom: 48px;
}

.lh-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.badge-partner, .badge-tech, .badge-geo {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
}

.badge-partner {
  background: var(--dfs-dark);
  color: var(--dfs-white);
}

.badge-tech {
  background: var(--dfs-taupe-subtle);
  color: var(--dfs-taupe-deep);
  border: 1px solid var(--dfs-border);
}

.badge-geo {
  background: var(--dfs-cream-warm);
  color: var(--dfs-dark-soft);
  border: 1px solid var(--dfs-border);
}

.lh-main-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--dfs-dark);
  margin-bottom: 8px;
}

.lh-subtitle {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dfs-taupe-deep);
  margin-bottom: 18px;
}

.lh-lead-manifesto {
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--dfs-dark-soft);
}

/* Grille de preuve réelle */
.lorho-proof-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: flex-start;
  margin-bottom: 48px;
}

/* Colonne visuelle authentique */
.lorho-visual-column {
  position: relative;
}

.real-showcase-frame {
  background: #1e1d1b;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px rgba(34, 33, 32, 0.16);
  border: 1px solid rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.showcase-topbar {
  background: #2b2927;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4a4743;
}

.window-url {
  font-family: monospace;
  font-size: 0.74rem;
  color: #a8a59f;
  margin-left: 8px;
}

.showcase-image-wrap {
  background: #fff;
  overflow: hidden;
}

.img-desktop-store {
  width: 100%;
  display: block;
}

.showcase-caption-bar {
  background: #2b2927;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #d1cfc9;
  font-size: 0.82rem;
}

.caption-live {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* Badge Mobile superposé */
.mobile-side-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 190px;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 10px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--dfs-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.img-mobile-crop {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border-soft);
}

.mobile-caption {
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--dfs-dark-soft);
}

.mobile-caption strong {
  display: block;
  color: var(--dfs-dark);
}

/* Colonne d'accompagnement Lorho */
.lorho-scope-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.scope-col-heading {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dfs-dark);
  border-bottom: 2px solid var(--dfs-taupe);
  padding-bottom: 10px;
  margin-bottom: 4px;
}

.scope-items-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.scope-card {
  background: var(--dfs-cream);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: var(--transition-smooth);
}

.scope-card:hover {
  background: #ffffff;
  border-color: var(--dfs-taupe);
  transform: translateX(4px);
  box-shadow: 0 6px 16px rgba(181, 163, 134, 0.15);
}

.sc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.sc-icon {
  font-size: 1.15rem;
}

.sc-header h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dfs-dark);
}

.scope-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--dfs-dark-soft);
}

.partnership-quote-box {
  background: var(--dfs-cream-warm);
  border-left: 4px solid var(--dfs-taupe-deep);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 6px;
}

.p-quote-text {
  font-size: 0.94rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--dfs-dark);
}

/* Strip sectoriel */
.sectoral-experience-strip {
  background: var(--dfs-cream-warm);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.se-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--dfs-taupe-deep);
  text-transform: uppercase;
}

.se-sectors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.se-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dfs-dark-soft);
}

.se-dot {
  color: var(--dfs-taupe-deep);
  font-size: 1.2rem;
}

/* ==========================================================================
   SECTION 5 : ÉTENDUE DES SAVOIR-FAIRE (STYLE ARCHITECTURAL A4)
   ========================================================================== */

.expertise-section {
  padding: var(--space-section) 0;
  background: var(--dfs-cream);
  border-bottom: 1px solid var(--dfs-border);
}

.expertise-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-head-arch {
  max-width: 840px;
  margin-bottom: 56px;
}

.section-kicker {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  display: block;
  margin-bottom: 12px;
}

.section-title-arch {
  font-family: var(--font-display);
  font-size: 2.7rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--dfs-dark);
  margin-bottom: 16px;
}

.section-lead-arch {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--dfs-dark-soft);
}

/* Grille architecturale des compétences */
.arch-skills-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.skill-tile {
  background: #ffffff;
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.skill-tile:hover {
  border-color: var(--dfs-taupe);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(181, 163, 134, 0.16);
}

.st-col-7 { grid-column: span 7; }
.st-col-5 { grid-column: span 5; }
.st-col-4 { grid-column: span 4; }
.st-col-8 { grid-column: span 8; }

.st-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.st-index {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dfs-taupe-deep);
}

.st-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--dfs-cream-warm);
  color: var(--dfs-dark-soft);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border);
}

.st-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--dfs-dark);
  margin-bottom: 12px;
}

.st-desc {
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--dfs-dark-soft);
  margin-bottom: 20px;
}

/* Micro-labels architecturaux pour compétences et mots-clés */
.expertise-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0 0 18px 0;
  padding: 0;
}

.expertise-tags li {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dfs-dark-soft);
  background: #fdfbf7;
  border: 1px solid rgba(181, 163, 134, 0.4);
  border-radius: 4px;
  padding: 5px 12px;
  line-height: 1.35;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.skill-tile:hover .expertise-tags li {
  border-color: var(--dfs-taupe);
  background: #ffffff;
  color: var(--dfs-dark);
}

.st-action {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--dfs-border-soft);
}

.st-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dfs-dark);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.st-link:hover {
  color: var(--dfs-taupe-deep);
  transform: translateX(3px);
}

/* ==========================================================================
   SECTION 6 : SECTEURS ACCOMPAGNÉS
   ========================================================================== */

.sectors-section {
  padding: var(--space-section) 0;
  background: #ffffff;
  border-bottom: 1px solid var(--dfs-border);
}

.sectors-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.sectors-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sector-card {
  background: var(--dfs-cream);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.sector-card:hover {
  background: #ffffff;
  border-color: var(--dfs-taupe);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(181, 163, 134, 0.18);
}

.sec-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--dfs-cream-warm);
  border: 1px solid var(--dfs-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.sec-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dfs-dark);
  margin-bottom: 14px;
}

.sec-lead {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--dfs-dark-soft);
  margin-bottom: 20px;
  flex: 1;
}

.sec-challenges-title {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  margin-bottom: 10px;
}

.sec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sec-tags span {
  font-size: 0.78rem;
  font-weight: 600;
  background: #ffffff;
  color: var(--dfs-dark-soft);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border);
}

/* ==========================================================================
   SECTION 7 : AUTRES EXPÉRIENCES & INTERVENTIONS DE TERRAIN
   ========================================================================== */

.other-exp-section {
  padding: var(--space-section-compact) 0;
  background: var(--dfs-cream-warm);
  border-bottom: 1px solid var(--dfs-border);
}

.other-exp-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.other-exp-box {
  background: #ffffff;
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: 0 8px 24px rgba(181, 163, 134, 0.1);
}

.other-exp-header {
  margin-bottom: 28px;
}

.oe-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dfs-dark);
  margin-bottom: 10px;
}

.oe-desc {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--dfs-dark-soft);
}

.oe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.oe-card {
  border-left: 3px solid var(--dfs-taupe);
  padding-left: 18px;
}

.oe-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dfs-dark);
  margin-bottom: 6px;
}

.oe-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--dfs-dark-soft);
}

/* ==========================================================================
   SECTION 8 : NOTRE MANIÈRE DE TRAVAILLER (MÉTHODE EN 5 ÉTAPES)
   ========================================================================== */

.method-section {
  padding: var(--space-section) 0;
  background: #ffffff;
  border-bottom: 1px solid var(--dfs-border);
}

.method-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.method-steps-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 48px;
  position: relative;
}

.method-step {
  background: var(--dfs-cream);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.method-step:hover {
  background: #ffffff;
  border-color: var(--dfs-taupe);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(181, 163, 134, 0.16);
}

.ms-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dfs-taupe-deep);
  background: var(--dfs-cream-warm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--dfs-border);
  margin-bottom: 18px;
}

.ms-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dfs-dark);
  margin-bottom: 10px;
  line-height: 1.25;
}

.ms-desc {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--dfs-dark-soft);
}

/* ==========================================================================
   SECTION 9 : ESPACE CONSEILS / RESSOURCES PRATIQUES
   ========================================================================== */

.blog-preview-section {
  padding: var(--space-section) 0;
  background: var(--dfs-cream);
  border-bottom: 1px solid var(--dfs-border);
}

.blog-preview-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.blog-card {
  background: #ffffff;
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.blog-card:hover {
  border-color: var(--dfs-taupe);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(181, 163, 134, 0.16);
}

.bc-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
  margin-bottom: 12px;
}

.bc-title {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dfs-dark);
  margin-bottom: 12px;
}

.bc-summary {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--dfs-dark-soft);
  margin-bottom: 24px;
}

.bc-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dfs-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.bc-link:hover {
  color: var(--dfs-taupe-deep);
}

/* ==========================================================================
   SECTION 10 : FORMULAIRE COMMERCIAL & CONVERSION DIRECTE
   ========================================================================== */

.contact-section {
  padding: var(--space-section) 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--dfs-cream) 100%);
}

.contact-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: flex-start;
}

/* Colonne gauche de contact */
.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-kicker {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dfs-taupe-deep);
}

.contact-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--dfs-dark);
}

.contact-intro-lead {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--dfs-dark-soft);
}

.contact-reassurance-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cr-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.cr-icon {
  font-size: 1.1rem;
  color: var(--dfs-taupe-deep);
}

.cr-text {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--dfs-dark-soft);
}

.cr-text strong {
  color: var(--dfs-dark);
  display: block;
}

.direct-email-highlight {
  background: var(--dfs-cream-warm);
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.deh-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dfs-taupe-deep);
  display: block;
  margin-bottom: 6px;
}

.deh-email {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dfs-dark);
  transition: color 0.2s ease;
}

.deh-email:hover {
  color: var(--dfs-taupe-deep);
}

/* Colonne droite : Formulaire */
.contact-form-col {
  background: #ffffff;
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 16px 40px rgba(181, 163, 134, 0.16);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row-double {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dfs-dark);
}

.form-label .req {
  color: #dc2626;
  margin-left: 2px;
}

.form-label .opt {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--dfs-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--dfs-border);
  border-radius: var(--radius-sm);
  background: var(--dfs-cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--dfs-dark);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: #ffffff;
  border-color: var(--dfs-taupe);
  outline: none;
  box-shadow: 0 0 0 3px var(--dfs-taupe-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Champ Honeypot (masqué pour les robots) */
.form-hp-field {
  display: none !important;
  visibility: hidden !important;
}

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--dfs-dark);
  color: var(--dfs-white);
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 100%;
  margin-top: 6px;
}

.form-submit-btn:hover {
  background: var(--dfs-taupe-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 33, 32, 0.2);
}

.form-status-alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  display: none;
}

.form-status-alert.is-success {
  display: block;
  background: #ecfdf5;
  border: 1px solid #10b981;
  color: #065f46;
}

.form-status-alert.is-error {
  display: block;
  background: #fef2f2;
  border: 1px solid #ef4444;
  color: #991b1b;
}

.form-privacy-note {
  font-size: 0.78rem;
  color: var(--dfs-muted);
  text-align: center;
  margin-top: 4px;
}

/* ==========================================================================
   FOOTER DE PRODUCTION
   ========================================================================== */

.site-footer {
  background: var(--dfs-dark);
  color: #d8d6d2;
  padding: 80px 40px 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-logo-img {
  filter: brightness(0) invert(1);
  height: 70px;
  width: auto;
  margin-bottom: 18px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #aba8a2;
  margin-bottom: 18px;
}

.footer-geo-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--dfs-taupe);
  font-weight: 600;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  font-size: 0.88rem;
  color: #b5b2ac;
  transition: color 0.2s ease;
}

.footer-links-list a:hover {
  color: var(--dfs-taupe);
}

.footer-contact-intro {
  font-size: 0.88rem;
  color: #aba8a2;
  line-height: 1.5;
  margin-bottom: 14px;
}

.footer-email-box {
  margin-bottom: 18px;
}

.f-mail-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8c8983;
  display: block;
  margin-bottom: 4px;
}

.f-mail-link {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dfs-taupe);
  transition: color 0.2s ease;
}

.f-mail-link:hover {
  color: #ffffff;
}

.btn-footer-contact {
  display: inline-block;
  background: var(--dfs-taupe-deep);
  color: var(--dfs-white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.btn-footer-contact:hover {
  background: var(--dfs-taupe);
  color: var(--dfs-dark);
}

/* Ligne inférieure de pied de page */
.site-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 32px;
}

.footer-bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-legal-copy {
  font-size: 0.8rem;
  color: #8c8983;
  line-height: 1.55;
  max-width: 800px;
}

.footer-legal-details {
  margin-top: 6px;
  font-size: 0.76rem;
  color: #73706a;
}

.footer-legal-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  color: #aba8a2;
}

.footer-legal-nav a:hover {
  color: var(--dfs-taupe);
}

.back-to-top {
  font-weight: 700;
  color: var(--dfs-taupe) !important;
}

/* ==========================================================================
   RESPONSIVE & MOBILE DESIGN (1024px, 768px, 390px)
   ========================================================================== */

@media (max-width: 1280px) {
  .site-header {
    padding: 14px 28px;
  }

  .site-logo-link {
    gap: 7px;
  }

  .site-logo-img {
    height: 74px;
  }

  .site-logo-sub {
    font-size: 0.65rem;
  }

  .site-navigation {
    gap: 18px;
  }

  .nav-links-list {
    gap: 12px;
  }

  .nav-link {
    font-size: 0.86rem;
  }

  .btn-talk-arch {
    padding: 11px 18px;
    font-size: 0.86rem;
  }
}

@media (max-width: 1180px) {
  .site-header {
    padding: 12px 20px;
  }

  .site-logo-link {
    gap: 6px;
  }

  .site-logo-img {
    height: 68px;
  }

  .site-logo-sub {
    font-size: 0.62rem;
  }

  .site-navigation {
    gap: 14px;
  }

  .nav-links-list {
    gap: 10px;
  }

  .nav-link {
    font-size: 0.83rem;
  }

  .btn-talk-arch {
    padding: 10px 16px;
    font-size: 0.84rem;
  }
}

@media (max-width: 1080px) {
  .site-header {
    padding: 12px 20px;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: #faf9f6;
  }

  .site-logo-link {
    gap: 5px;
  }

  .site-logo-img {
    height: 56px;
  }

  .site-logo-sub {
    font-size: 0.58rem;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .site-navigation {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 76px);
    height: calc(100dvh - 76px);
    background: var(--dfs-cream);
    flex-direction: column;
    padding: 24px 20px 48px;
    border-bottom: 2px solid var(--dfs-taupe);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
    display: none;
    overflow-y: auto;
    align-items: stretch;
    gap: 16px;
    z-index: 9999;
  }

  .site-navigation.is-open {
    display: flex;
  }

  .nav-links-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 4px;
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--dfs-border-soft);
    justify-content: space-between;
  }

  .has-dropdown .mega-menu,
  .has-dropdown .dropdown-menu-wrap {
    display: none;
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--dfs-taupe);
    border-radius: 0;
    padding: 10px 0 12px 14px;
    margin: 6px 0 12px 6px;
    max-width: 100%;
    pointer-events: auto;
    background: rgba(181, 163, 134, 0.06);
  }

  .has-dropdown.is-open .mega-menu,
  .has-dropdown.is-open .dropdown-menu-wrap {
    display: block !important;
  }

  .has-dropdown.is-open .dropdown-chevron {
    transform: rotate(180deg);
  }

  .mega-poles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .header-cta-wrap {
    width: 100%;
    margin-top: 16px;
  }

  .header-cta-wrap .btn-talk-arch {
    width: 100%;
    justify-content: center;
  }

  .hero-screen-section {
    padding: 24px 0 20px;
    min-height: auto;
  }

  .headline-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .arch-title {
    font-size: 2.8rem;
  }

  .arch-panels-section {
    flex-direction: column;
    height: auto;
    gap: 14px;
  }

  .arch-panel {
    flex: none !important;
    min-height: 110px;
  }

  .arch-panel.active {
    min-height: 220px;
  }

  .lorho-proof-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .mobile-side-badge {
    position: relative;
    bottom: 0;
    right: 0;
    width: 100%;
    margin-top: 16px;
    flex-direction: row;
    align-items: center;
  }

  .img-mobile-crop {
    width: 80px;
  }

  .principles-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .arch-skills-grid {
    grid-template-columns: 1fr;
  }

  .st-col-7, .st-col-5, .st-col-4, .st-col-8 {
    grid-column: span 1;
  }

  .sectors-cards-row {
    grid-template-columns: 1fr;
  }

  .method-steps-track {
    grid-template-columns: 1fr;
  }

  .oe-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .contact-layout-grid {
    grid-template-columns: 1fr;
  }

  .site-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 10px 16px;
  }

  .site-logo-img {
    height: 50px;
  }

  .arch-title {
    font-size: 2.2rem;
  }

  .lh-main-title {
    font-size: 2.3rem;
  }

  .section-title-arch {
    font-size: 2.1rem;
  }

  .form-row-double {
    grid-template-columns: 1fr;
  }

  .contact-form-col {
    padding: 24px 18px;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
  }
}

/* Respect de 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;
  }
}