/* ==========================================================================
   HK GROUP — Conseil & Solution Numérique
   Feuille de style principale (Design One-Page Corporate & Tech)
   Couleurs issues de la charte graphique officielle HK GROUP (#CC2914 & #14171F)
   ========================================================================== */

:root {
  /* Palette de marque HK GROUP */
  --hk-red: #CC2914;
  --hk-red-light: #E83820;
  --hk-red-dark: #9E1C0B;
  --hk-red-glow: rgba(204, 41, 20, 0.16);
  --hk-red-soft: rgba(204, 41, 20, 0.08);

  /* Couleurs neutres & surfaces */
  --bg-dark: #0B0E14;
  --bg-dark-elevated: #121722;
  --bg-dark-card: #161C2A;
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --bg-subtle: #F1F5F9;

  /* Textes */
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-dark: #F8FAFC;
  --text-on-dark-muted: #94A3B8;

  /* Bordures & Ombres */
  --border-light: #E2E8F0;
  --border-dark: rgba(255, 255, 255, 0.09);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 12px 32px -8px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.14);
  --shadow-red: 0 12px 28px -6px rgba(204, 41, 20, 0.35);

  /* Typographie */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Rayons & Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Mode Sombre global (optionnel via bouton de thème) */
body.dark-theme {
  --bg-light: #0B0E14;
  --bg-white: #121722;
  --bg-subtle: #161C2A;
  --text-main: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --border-light: rgba(255, 255, 255, 0.09);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.6);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   TOPBAR INSTITUTIONNELLE
   ========================================================================== */
.topbar {
  background-color: #07090D;
  color: #CBD5E1;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 9px 0;
  position: relative;
  z-index: 101;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #94A3B8;
}

.topbar-item i, .topbar-item svg {
  color: var(--hk-red-light);
  flex-shrink: 0;
}

.topbar-item strong {
  color: #F8FAFC;
  font-weight: 600;
}

.topbar-badge {
  background: rgba(204, 41, 20, 0.16);
  color: #FCA5A5;
  border: 1px solid rgba(204, 41, 20, 0.35);
  padding: 2px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 8px #22C55E;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.65; }
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

body.dark-theme .navbar {
  background: rgba(11, 14, 20, 0.88);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 20px;
}

/* Logo Component */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-emblem {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--hk-red);
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--hk-red);
  transition: width 0.25s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--hk-red);
  color: var(--hk-red);
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-main);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ==========================================================================
   BOUTONS & COMPOSANTS COMMUNS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.94rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--hk-red) 0%, var(--hk-red-light) 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -6px rgba(204, 41, 20, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--hk-red);
  color: var(--hk-red);
  background: var(--hk-red-soft);
}

.btn-dark-glass {
  background: rgba(255, 255, 255, 0.07);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
}

.btn-dark-glass:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.86rem;
  border-radius: 10px;
}

/* En-têtes de section */
.section-header {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--hk-red-soft);
  color: var(--hk-red);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  border: 1px solid rgba(204, 41, 20, 0.18);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 16px;
}

.section-title span {
  color: var(--hk-red);
}

.section-desc {
  font-size: 1.06rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 88px 0 100px;
  overflow: hidden;
}

/* Grille technologique et halo lumineux */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 35%, black 30%, transparent 80%);
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: -120px;
  right: 8%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(204, 41, 20, 0.28) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -150px;
  left: -80px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(232, 56, 32, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 500;
  color: #E2E8F0;
  margin-bottom: 24px;
}

.hero-pill-tag {
  background: var(--hk-red);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 4.4vw, 3.7rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  color: #FFFFFF;
}

.hero-title .accent {
  background: linear-gradient(135deg, #FF553E 0%, #FF8B79 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--text-on-dark-muted);
  margin-bottom: 34px;
  max-width: 600px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: #CBD5E1;
}

.hero-trust-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(204, 41, 20, 0.18);
  border: 1px solid rgba(204, 41, 20, 0.35);
  color: #FF6B57;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Carte Visuelle Interactive Hero (Droite) */
.hero-visual {
  position: relative;
}

.hero-card-main {
  background: linear-gradient(160deg, rgba(26, 33, 48, 0.92) 0%, rgba(15, 19, 28, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(20px);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-logo-banner {
  background: #FFFFFF;
  padding: 10px 16px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.hero-logo-banner img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.hero-verified-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: #4ADE80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
  padding: 5px 11px;
  border-radius: 999px;
}

.hero-pillars-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-mini-pillar {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 15px;
  transition: var(--transition);
}

.hero-mini-pillar:hover {
  border-color: rgba(204, 41, 20, 0.5);
  background: rgba(204, 41, 20, 0.08);
  transform: translateY(-2px);
}

.hero-mini-pillar-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(204, 41, 20, 0.18);
  color: #FF6B57;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.hero-mini-pillar h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.hero-mini-pillar p {
  font-size: 0.78rem;
  color: #94A3B8;
  line-height: 1.4;
}

.hero-card-footer {
  background: rgba(0, 0, 0, 0.32);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-card-footer-info {
  font-size: 0.78rem;
  color: #CBD5E1;
}

.hero-card-footer-info span {
  display: block;
  font-family: var(--font-mono);
  color: #94A3B8;
  font-size: 0.72rem;
}

/* Ruban de statistiques sous le Hero */
.stats-ribbon {
  position: relative;
  z-index: 5;
  margin-top: -44px;
}

.stats-grid {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 30px 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-right: 16px;
  border-right: 1px solid var(--border-light);
}

.stat-item:last-child {
  border-right: none;
  padding-right: 0;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--hk-red-soft);
  color: var(--hk-red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.83rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================================================
   SECTION PÔLES D'EXPERTISE (SERVICES)
   ========================================================================== */
.section {
  padding: 100px 0;
}

.section-alt {
  background-color: var(--bg-subtle);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 38px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--hk-red), var(--hk-red-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(204, 41, 20, 0.28);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--hk-red-soft);
  color: var(--hk-red);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--hk-red);
  color: #FFFFFF;
  box-shadow: var(--shadow-red);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 4px 12px;
  border-radius: 999px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.97rem;
  margin-bottom: 24px;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-main);
}

.service-features li svg {
  color: var(--hk-red);
  flex-shrink: 0;
}

.service-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--hk-red);
}

.service-action:hover {
  gap: 12px;
}

/* ==========================================================================
   SECTION CATALOGUE D'ÉQUIPEMENTS & SOLUTIONS
   ========================================================================== */
.catalog-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 42px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--hk-red);
  color: var(--hk-red);
}

.filter-btn.active {
  background: var(--hk-red);
  color: #FFFFFF;
  border-color: var(--hk-red);
  box-shadow: var(--shadow-red);
}

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

.catalog-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.catalog-item.hidden {
  display: none;
}

.catalog-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(204, 41, 20, 0.3);
}

.catalog-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.catalog-category {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--hk-red);
  background: var(--hk-red-soft);
  padding: 4px 10px;
  border-radius: 6px;
}

.catalog-availability {
  font-size: 0.75rem;
  color: #16A34A;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.catalog-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--bg-subtle);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.catalog-item h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.catalog-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.catalog-specs {
  margin-bottom: 22px;
  padding: 12px;
  background: var(--bg-subtle);
  border-radius: 10px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.catalog-specs div {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
}

.catalog-specs strong {
  color: var(--text-main);
}

/* ==========================================================================
   SECTION À PROPOS, DIRECTION & IDENTITÉ FISCALE (DOSSIER OFFICIEL)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: start;
}

.about-story h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.25;
}

.about-story p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 1rem;
}

/* Cartes Gouvernance / Direction */
.leadership-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 30px 0 16px;
}

.leaders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.leader-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.leader-avatar {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--hk-red), var(--hk-red-dark));
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.leader-info h4 {
  font-family: var(--font-heading);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.leader-role {
  font-size: 0.8rem;
  color: var(--hk-red);
  font-weight: 600;
  margin-bottom: 6px;
}

.leader-meta {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Carte Officielle de Conformité Fiscale & Légale */
.legal-card {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.legal-card::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(204, 41, 20, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.legal-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 800;
  color: #FFFFFF;
}

.legal-card-header p {
  font-size: 0.82rem;
  color: #94A3B8;
}

.official-seal {
  background: rgba(34, 197, 94, 0.14);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #4ADE80;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.legal-rows {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.legal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  gap: 12px;
}

.legal-label {
  font-size: 0.8rem;
  color: #94A3B8;
}

.legal-value {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: #F8FAFC;
  text-align: right;
}

.legal-value.highlight {
  color: #FF7A68;
}

.legal-card-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   SECTION PROCESSUS / MÉTHODOLOGIE
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--hk-red);
}

.step-badge {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--hk-red);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTION DEVIS INTERACTIF & CONTACT
   ========================================================================== */
.contact-section {
  background: var(--bg-dark);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-panel h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact-info-panel > p {
  color: #94A3B8;
  margin-bottom: 32px;
  font-size: 1rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.contact-item-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

.contact-item-card:hover {
  border-color: rgba(204, 41, 20, 0.5);
  background: rgba(255, 255, 255, 0.06);
}

.contact-item-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(204, 41, 20, 0.2);
  color: #FF6B57;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.contact-item-card p, .contact-item-card a {
  font-size: 0.9rem;
  color: #CBD5E1;
}

.contact-item-card a:hover {
  color: #FF6B57;
}

/* Formulaire / Configurateur de Devis */
.quote-form-card {
  background: var(--bg-white);
  color: var(--text-main);
  border-radius: var(--radius-lg);
  padding: 38px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.quote-form-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.quote-form-card > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border-radius: 10px;
  border: 1.5px solid var(--border-light);
  background: var(--bg-light);
  color: var(--text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--hk-red);
  box-shadow: 0 0 0 3px var(--hk-red-soft);
}

/* Sélecteur de prestations sous forme de puces cliquables */
.service-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-chip {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border-light);
  background: var(--bg-light);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.service-chip.selected {
  background: var(--hk-red-soft);
  border-color: var(--hk-red);
  color: var(--hk-red);
}

.form-submit-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn-whatsapp {
  background: #16A34A;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background: #15803D;
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #06080C;
  color: #94A3B8;
  padding: 72px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  margin: 16px 0 20px;
  font-size: 0.9rem;
  max-width: 340px;
}

.footer-logo-box {
  background: #FFFFFF;
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 8px;
}

.footer-logo-box img {
  height: 36px;
  width: auto;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #FFFFFF;
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #94A3B8;
}

.footer-links a:hover {
  color: #FF6B57;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

/* Notification Toast */
.toast-notification {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #0F172A;
  color: #FFFFFF;
  border-left: 4px solid var(--hk-red);
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 999;
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .topbar-right {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .services-grid,
  .catalog-grid,
  .process-grid,
  .leaders-grid,
  .form-row,
  .hero-pillars-list {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
    padding-right: 0;
  }

  .stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

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