/* ==========================================================================
   FIRE PROTECT - Industrial Corporate Website Design System
   Optimized for cPanel Hosting
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette - Official Charte Graphique */
  --primary: #C11E2D;         /* Official Fire Protect Red */
  --primary-hover: #9E1523;   /* Dark Red */
  --primary-light: #E03847;   /* Accent Red */
  --primary-subtle: #FFF0F2;  /* Soft Red Tint */
  
  --dark-bg: #0B0F19;        /* Deep Industrial Slate */
  --dark-surface: #161E2E;   /* Dark Card Surface */
  --dark-border: #232F45;    /* Subtle Dark Border */
  
  --light-bg: #FFFFFF;       /* Clean White */
  --light-alt: #F8FAFC;      /* Soft Light Gray */
  --light-card: #FFFFFF;     /* White Card */
  
  --text-main: #0F172A;      /* Primary Dark Text */
  --text-muted: #64748B;     /* Secondary Muted Text */
  --text-light: #F8FAFC;     /* White Text for Dark Backgrounds */
  --text-dim: #94A3B8;       /* Subtle Text on Dark */
  
  --border-light: #E2E8F0;   /* Light Border */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 35px -10px rgba(0,0,0,0.12), 0 10px 15px -5px rgba(0,0,0,0.06);
  --shadow-red: 0 12px 30px -5px rgba(200, 16, 46, 0.35);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--light-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

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

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

ul {
  list-style: none;
}

/* Utility Layout Classes */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

.section-padding-sm {
  padding: 4rem 0;
}

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

.bg-dark {
  background-color: var(--dark-bg);
  color: var(--text-light);
}

.bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--text-light);
}

.text-primary {
  color: var(--primary) !important;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid rgba(200, 16, 46, 0.2);
}

.badge-dark {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFD1D7;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0.75rem 0 1.25rem 0;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
}

.bg-dark .section-header p {
  color: var(--text-dim);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(200, 16, 46, 0.45);
}

.btn-secondary {
  background-color: var(--dark-surface);
  color: #FFFFFF;
  border: 1px solid var(--dark-border);
}

.btn-secondary:hover {
  background-color: #232F45;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-light);
}

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

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--dark-bg);
  border-color: #FFFFFF;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
  background-color: var(--dark-bg);
  color: var(--text-dim);
  font-size: 0.875rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--dark-border);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-info-item svg {
  color: var(--primary-light);
}

.top-tagline {
  font-weight: 500;
  color: #CBD5E1;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: var(--transition-fast);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 85px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo img {
  height: 54px;
  width: auto;
}

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

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition-fast);
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  padding: 0.5rem;
}

/* Language Switcher Button */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: rgba(11, 15, 25, 0.06);
  border: 1px solid var(--border-light);
  padding: 0.2rem 0.4rem;
  border-radius: 20px;
  margin-left: 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
}

.top-bar .lang-switcher {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  transition: all 0.2s ease;
  font-weight: 700;
  font-size: 0.8rem;
}

.top-bar .lang-btn {
  color: #CBD5E1;
}

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

.top-bar .lang-btn:hover {
  color: #FFFFFF;
}

.lang-btn.active {
  background-color: var(--primary);
  color: #FFFFFF !important;
  box-shadow: 0 2px 6px rgba(193, 30, 45, 0.3);
}

.lang-divider {
  color: var(--text-muted);
  opacity: 0.4;
  font-size: 0.75rem;
}

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--dark-bg);
  color: #FFFFFF;
  z-index: 2000;
  padding: 2.5rem 2rem;
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

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

.mobile-menu-close {
  background: none;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #CBD5E1;
}

.mobile-nav-links a:hover {
  color: var(--primary-light);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: auto;
  background: linear-gradient(135deg, rgba(11, 15, 25, 0.94) 0%, rgba(22, 30, 46, 0.88) 100%), 
              url('../assets/img/hero/hero-bg.png') center/cover no-repeat;
  color: var(--text-light);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 5rem 0 7rem 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, var(--light-bg), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 900;
  color: #FFFFFF;
  margin: 1.25rem 0 1.5rem 0;
  letter-spacing: -1px;
  line-height: 1.15;
}

.hero-content h1 span {
  color: var(--primary-light);
  background: linear-gradient(90deg, #FF4D6D 0%, #C8102E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #CBD5E1;
  margin-bottom: 2.5rem;
  max-width: 640px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-feature-card {
  background: rgba(22, 30, 46, 0.75);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.hero-feature-card h3 {
  color: #FFFFFF;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  color: #E2E8F0;
  font-size: 0.95rem;
}

.hero-feature-item svg {
  color: var(--primary-light);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Stats Strip */
.stats-strip {
  background-color: var(--light-bg);
  margin-top: 0;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  padding: 2.5rem 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 0 1rem;
  border-right: 1px solid var(--border-light);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-subtext {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ==========================================================================
   About & History Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  width: 100%;
  height: 480px;
}

.about-experience-badge {
  position: absolute;
  bottom: -25px;
  right: -25px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #FFFFFF;
  padding: 1.75rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-red);
  text-align: center;
}

.about-experience-badge .years {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
}

.about-experience-badge .text {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-quote {
  background-color: var(--primary-subtle);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1.5rem 0 2rem 0;
}

/* History Timeline */
.timeline {
  position: relative;
  margin-top: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 3px;
  background-color: var(--border-light);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 10px;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 4px solid var(--primary);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--primary-subtle);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);

}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0.2rem 0 0.4rem 0;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Vision Mission Values */
.vmv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.vmv-card {
  background-color: var(--light-card);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.vmv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.vmv-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.vmv-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.vmv-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Domaines d'Expertise (Services Section)
   ========================================================================== */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.expertise-card {
  background-color: var(--light-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 16, 46, 0.3);
}

.expertise-img-wrapper {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.expertise-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.expertise-card:hover .expertise-img-wrapper img {
  transform: scale(1.06);
}

.expertise-num {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(11, 15, 25, 0.85);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.expertise-content {
  padding: 2.25rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.expertise-content h3 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.expertise-content p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.expertise-features {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
}

.expertise-feature-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-main);
}

.expertise-feature-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Feature highlight banner for Gas/Sprinkler (Page 10) */
.highlight-banner {
  background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-bg) 100%);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-top: 4rem;
  color: var(--text-light);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.highlight-banner h3 {
  font-size: 1.8rem;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.highlight-banner p {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.tech-tag {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFD1D7;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   Solutions & Methodology
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step-card {
  background-color: var(--light-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--border-light);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

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

.step-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

.step-card h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
}

/* ==========================================================================
   Moyens Humains & Matériels
   ========================================================================== */
.moyens-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-btn {
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  background-color: var(--light-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn.active, .tab-btn:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.resources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.skills-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.skill-badge {
  background-color: var(--light-card);
  border: 1px solid var(--border-light);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.skill-badge svg {
  color: var(--primary);
}

/* ==========================================================================
   Engagement Qualité & HSE
   ========================================================================== */
.hse-box {
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.05) 0%, rgba(200, 16, 46, 0.12) 100%);
  border: 2px dashed rgba(200, 16, 46, 0.3);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: center;
}

.hse-commitments {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hse-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: #FFFFFF;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.hse-item svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Nos Références / Projects Showcase
   ========================================================================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  background-color: transparent;
  color: var(--text-dim);
  border: 1px solid var(--dark-border);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background-color: var(--dark-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 16, 46, 0.4);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.project-img-holder {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-img-holder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.project-card:hover .project-img-holder img {
  transform: scale(1.08);
}

.project-client-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-client-badge img {
  max-height: 26px;
  width: auto;
  object-fit: contain;
}

.project-info {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-info h3 {
  font-size: 1.35rem;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--text-dim);
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.project-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--dark-border);
  font-size: 0.85rem;
  color: #94A3B8;
}

/* Client Logo Slider / Grid */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.client-logo-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  height: 115px;
  transition: var(--transition-fast);
}

.client-logo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
  border-color: rgba(193, 30, 45, 0.4);
}

.client-logo-card img {
  max-height: 70px;
  max-width: 88%;
  width: auto;
  object-fit: contain;
  filter: none; /* Display vibrant authentic brand colors */
  transition: var(--transition-fast);
}

.client-logo-card:hover img {
  transform: scale(1.04);
}

/* ==========================================================================
   Contact & Location Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info-card {
  background-color: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: var(--text-light);
}

.contact-info-card h3 {
  font-size: 2rem;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin: 2rem 0 3rem 0;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(200, 16, 46, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-item h4 {
  font-size: 1.1rem;
  color: #FFFFFF;
  margin-bottom: 0.2rem;
}

.contact-detail-item p, .contact-detail-item a {
  color: var(--text-dim);
  font-size: 0.975rem;
}

.contact-detail-item a:hover {
  color: var(--primary-light);
}

/* Contact Form */
.contact-form-card {
  background-color: var(--light-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.contact-form-card h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  font-family: var(--font-body);
  font-size: 0.975rem;
  transition: var(--transition-fast);
  background-color: var(--light-alt);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(200, 16, 46, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-weight: 600;
  font-size: 0.925rem;
  display: none;
}

.form-alert.success {
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #84E1BC;
  display: block;
}

.form-alert.error {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #F8B4B4;
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--dark-bg);
  color: var(--text-dim);
  padding-top: 5rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--dark-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--dark-border);
  font-size: 0.875rem;
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  padding: 2.5rem;
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--light-alt);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--primary-subtle);
  color: var(--primary);
}

.modal-img-wrapper {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  margin-bottom: 1.75rem;
  padding: 2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  max-height: 280px;
  box-shadow: var(--shadow-sm);
}

.modal-img {
  max-height: 200px;
  max-width: 85%;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-red);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 900;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background-color: var(--primary-hover);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .resources-grid, .contact-grid, .highlight-banner, .hse-box {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1.5rem;
  }
  .stat-item:nth-child(3), .stat-item:nth-child(4) {
    border-bottom: none;
    padding-bottom: 0;
  }

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

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

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

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  
  .nav-links, .nav-cta .btn {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .stats-grid, .expertise-grid, .steps-grid, .projects-grid, .vmv-grid, .skills-list-grid, .clients-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}