/* ================================================
   GPS — Generals Prestation Services
   Design System & Landing Page Styles
   Color Palette harmonized with logo:
   - Navy Blue (#1B3A7D / #1E4494)
   - Golden Amber (#D4881F / #E5992B)
   - Dark (#1A1A1A)
   ================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Primary palette — Navy Blue (from logo "P") */
  --blue-50: #eef3ff;
  --blue-100: #d9e4fe;
  --blue-200: #bccffd;
  --blue-300: #8eb2fc;
  --blue-400: #5a8ef6;
  --blue-500: #3468e8;
  --blue-600: #1E4494;
  --blue-700: #1B3A7D;
  --blue-800: #162F65;
  --blue-900: #12254F;
  --blue-950: #0C1933;

  /* Golden Amber palette (from logo "G") */
  --gold-50: #fef8ed;
  --gold-100: #fcefd1;
  --gold-200: #f9dda3;
  --gold-300: #f5c56b;
  --gold-400: #f0a832;
  --gold-500: #E5992B;
  --gold-600: #D4881F;
  --gold-700: #B06B14;
  --gold-800: #8F5417;
  --gold-900: #764516;

  /* Neutral palette */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Accent */
  --accent-green: #10b981;
  --accent-gold: var(--gold-500);

  /* Semantic */
  --bg-primary: #ffffff;
  --bg-secondary: var(--gray-50);
  --bg-dark: var(--blue-950);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-light: var(--gray-400);
  --text-on-dark: #ffffff;

  /* Gradients — Navy blue tones */
  --gradient-hero: linear-gradient(135deg, var(--blue-950) 0%, var(--blue-800) 50%, var(--blue-600) 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 100%);
  --gradient-cta: linear-gradient(135deg, var(--gold-600) 0%, var(--gold-500) 50%, var(--gold-400) 100%);
  --gradient-cta-blue: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(212,136,31,0.2) 0%, transparent 70%);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.2);
  --shadow-glass: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 40px rgba(212,136,31,0.3);
  --shadow-glow-blue: 0 0 40px rgba(27,58,125,0.3);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(212,136,31,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212,136,31,0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-200);
}

.btn-outline:hover {
  background: var(--blue-50);
  border-color: var(--blue-400);
  transform: translateY(-2px);
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

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

/* ================================================
   NAVBAR
   ================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: var(--font-size-xl);
  color: #fff;
  transition: color var(--transition-fast);
}

.navbar.scrolled .nav-logo {
  color: var(--blue-700);
}

/* Logo with white background to ensure visibility */
.nav-logo-img {
  height: 48px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background-color: #ffffff;
  padding: 4px 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.footer-logo-img {
  height: 52px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background-color: #ffffff;
  padding: 4px 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--gold-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.navbar.scrolled .nav-link {
  color: var(--text-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-500);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: #fff;
}

.navbar.scrolled .nav-link:hover {
  color: var(--blue-700);
}

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

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

.nav-link--cta {
  background: var(--gradient-cta);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 10px rgba(212,136,31,0.3);
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(212,136,31,0.45);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar.scrolled .hamburger-line {
  background: var(--gray-700);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  overflow: hidden;
  padding-top: var(--navbar-height);
}

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #000;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  pointer-events: none;
  z-index: 1;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}

.hero-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(212,136,31,0.2);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

.hero-particle:nth-child(odd) {
  background: rgba(255,255,255,0.12);
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero-container {
  display: block;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 3;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.hero-content {
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5rem 1.25rem;
  background: rgba(212,136,31,0.15);
  border: 1px solid rgba(212,136,31,0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease both;
  color: var(--gold-200);
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 4.5vw, var(--font-size-6xl));
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease 0.1s both;
  text-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.hero-highlight {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500), var(--gold-300));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  max-width: 650px;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.2s both;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.hero-cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gold-400);
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: fadeInUp 0.6s ease 0.5s both;
  z-index: 2;
}

.scroll-arrow {
  animation: bounce-down 2s ease-in-out infinite;
}

@keyframes bounce-down {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ================================================
   SECTIONS COMMON
   ================================================ */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-tag {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: var(--gold-50);
  color: var(--gold-700);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--gold-200);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 3.5vw, var(--font-size-5xl));
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ================================================
   STEPS / COMMENT CA MARCHE
   ================================================ */
.steps-section {
  background: var(--bg-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  position: relative;
}

.step-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
}

.step-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-200);
}

.step-number {
  position: absolute;
  top: -14px;
  right: var(--space-xl);
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--gold-50);
  line-height: 1;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.step-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--gold-50), var(--gold-100));
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.step-card:hover .step-icon-wrapper {
  background: var(--gradient-cta);
  box-shadow: var(--shadow-glow);
}

.step-icon {
  width: 36px;
  height: 36px;
  color: var(--gold-700);
  transition: color var(--transition-fast);
}

.step-card:hover .step-icon {
  color: #fff;
}

.step-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.step-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Connector line */
.steps-connector {
  display: none;
}

@media (min-width: 769px) {
  .steps-connector {
    display: block;
    position: relative;
    margin-top: -80px;
    height: 0;
    pointer-events: none;
  }
  .connector-line {
    position: absolute;
    top: 0;
    left: calc(16.666% + 40px);
    right: calc(16.666% + 40px);
    height: 2px;
    background: linear-gradient(90deg, var(--gold-200), var(--gold-500), var(--gold-200));
    opacity: 0.4;
  }
}

/* ================================================
   FEATURES / POURQUOI NOUS CHOISIR
   ================================================ */
.features-section {
  background: var(--gradient-hero);
  color: #fff;
  overflow: hidden;
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,136,31,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.features-section .section-tag {
  background: rgba(212,136,31,0.15);
  color: var(--gold-300);
  border: 1px solid rgba(212,136,31,0.25);
}

.features-section .section-title {
  color: #fff;
}

.features-section .section-subtitle {
  color: rgba(255,255,255,0.65);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(212,136,31,0.3);
  transform: translateY(-6px);
}

/* Center 2 cards on last row (when 5 items in 3-col grid) */
.features-grid .feature-card:nth-child(4) {
  grid-column: 1 / 2;
}

.features-grid .feature-card:nth-child(5) {
  grid-column: 2 / 3;
}

@media (min-width: 769px) {
  .features-grid .feature-card:nth-child(4) {
    grid-column: auto;
    justify-self: end;
    max-width: calc((100% - var(--space-xl)) / 1);
  }
  /* Use a 2-item centering trick for last row */
  .features-grid {
    justify-items: center;
  }
  .features-grid .feature-card:nth-child(4),
  .features-grid .feature-card:nth-child(5) {
    grid-column: auto;
  }
}

.feature-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(212,136,31,0.15), rgba(212,136,31,0.05));
  border: 1px solid rgba(212,136,31,0.2);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon-wrapper {
  background: rgba(212,136,31,0.25);
  border-color: rgba(212,136,31,0.4);
  transform: scale(1.08);
}

.feature-icon {
  width: 32px;
  height: 32px;
  color: var(--gold-400);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: #fff;
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ================================================
   ENGINEER / ABOUT SECTION
   ================================================ */
.engineer-section {
  background: var(--bg-primary);
  overflow: hidden;
}

.engineer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.engineer-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.engineer-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.engineer-image-wrapper:hover img {
  transform: scale(1.03);
}

.engineer-image-badge {
  position: absolute;
  bottom: var(--space-xl);
  left: var(--space-xl);
  background: rgba(12,25,51,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(212,136,31,0.3);
}

.engineer-image-badge-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--gold-400);
  line-height: 1;
}

.engineer-image-badge-text {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.engineer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.engineer-title {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.engineer-title-highlight {
  color: var(--gold-600);
}

.engineer-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
}

.engineer-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.engineer-feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.engineer-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--gold-50), var(--gold-100));
  border: 1px solid var(--gold-200);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.engineer-feature-text {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* ================================================
   CATALOGUE / NOS RÉALISATIONS
   ================================================ */
.catalog-section {
  background: var(--bg-secondary);
}

.catalog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5xl);
}

.catalog-item {
  display: flex;
  align-items: center;
  gap: var(--space-4xl);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-base);
}

.catalog-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.catalog-item:nth-child(even) {
  flex-direction: row-reverse;
}

.catalog-image {
  flex: 1.2;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  cursor: pointer;
  aspect-ratio: 16 / 10;
}

.catalog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.catalog-image:hover img {
  transform: scale(1.05);
}

.catalog-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.catalog-label {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--gold-50);
  color: var(--gold-700);
  border: 1px solid var(--gold-200);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.catalog-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.catalog-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
  .catalog-item,
  .catalog-item:nth-child(even) {
    flex-direction: column;
    gap: var(--space-2xl);
  }
  .catalog-image {
    width: 100%;
  }
}

/* Lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.lightbox-overlay img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(0.9);
  transition: transform var(--transition-spring);
}

.lightbox-overlay.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.lightbox-caption {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
  background: rgba(0,0,0,0.5);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ================================================
   PRICING / TARIFS
   ================================================ */
.pricing-section {
  background: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.pricing-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

/* Featured pricing card */
.pricing-card--featured {
  background: var(--gradient-hero);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-2xl);
  transform: scale(1.05);
}

.pricing-card--featured.visible {
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.05) translateY(-6px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 0.375rem 1.25rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(212,136,31,0.3);
}

.pricing-card-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--gray-100);
}

.pricing-card--featured .pricing-card-header {
  border-color: rgba(255,255,255,0.15);
}

.pricing-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue-600);
}

.pricing-card--featured .pricing-label {
  color: var(--gold-300);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.pricing-currency {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-card--featured .pricing-currency {
  color: rgba(255,255,255,0.7);
}

.pricing-amount {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-unit {
  font-size: var(--font-size-sm);
  color: var(--text-light);
}

.pricing-card--featured .pricing-unit {
  color: rgba(255,255,255,0.6);
}

.pricing-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--space-sm);
}

.pricing-card--featured .pricing-desc {
  color: rgba(255,255,255,0.65);
}

.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.pricing-card--featured .pricing-feature {
  color: rgba(255,255,255,0.9);
}

.pricing-feature--disabled {
  color: var(--text-light);
}

.pricing-card--featured .pricing-feature--disabled {
  color: rgba(255,255,255,0.35);
}

.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold-50);
  color: var(--gold-700);
  font-size: var(--font-size-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card--featured .feature-check {
  background: rgba(212,136,31,0.2);
  color: var(--gold-400);
}

.feature-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-400);
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.pricing-card--featured .feature-x {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.3);
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

.pricing-card--featured .btn-primary {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
  color: #fff;
  border-color: transparent;
}

.pricing-card--featured .btn-primary:hover {
  box-shadow: 0 8px 25px rgba(212,136,31,0.4);
}

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials-section {
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(30px);
}

.testimonial-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-200);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.star {
  color: var(--gold-500);
  font-size: var(--font-size-lg);
}

.testimonial-text {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--gray-100);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-cta);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  position: relative;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding-top: var(--space-5xl);
}

.footer-wave {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  color: var(--bg-secondary);
  line-height: 0;
}

.footer-wave svg {
  width: 100%;
  height: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  max-width: 300px;
}

.footer-slogan {
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-style: italic;
  color: var(--gold-400);
  margin-bottom: var(--space-xl);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.social-link:hover {
  background: var(--gold-600);
  color: #fff;
  transform: translateY(-2px);
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-lg);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--gold-400);
  padding-left: var(--space-xs);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
}

.contact-icon {
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

.footer-bottom {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.footer-legal-item {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.footer-legal-sep {
  color: rgba(255,255,255,0.25);
  font-size: var(--font-size-xs);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

/* ================================================
   WHATSAPP FLOATING BUTTON
   ================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 900;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.whatsapp-float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float-btn svg {
  width: 30px;
  height: 30px;
}

.whatsapp-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}

.whatsapp-float-tooltip {
  background: var(--gray-900);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  pointer-events: none;
  box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes whatsapp-pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0.1);
  }
}

/* ================================================
   CONTACT MODAL
   ================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(12, 25, 51, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal-container {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-2xl);
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  color: var(--gray-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-close:hover {
  background: var(--gray-200);
  color: var(--gray-900);
  transform: rotate(90deg);
}

.modal-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.modal-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-input:focus {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(212, 136, 31, 0.12);
}

.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  margin-top: var(--space-sm);
}

/* Success state */
.form-success {
  text-align: center;
  padding: var(--space-2xl) 0;
  animation: fadeInUp 0.5s ease both;
}

.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-green), #34d399);
  color: #fff;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  animation: scaleIn 0.5s var(--transition-spring) both;
}

@keyframes scaleIn {
  from {
    transform: scale(0);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.success-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.success-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  max-width: 380px;
  margin: 0 auto;
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Gold accent line decoration */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-cta);
  border-radius: 2px;
}

/* ================================================
   RESPONSIVE
   ================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-container {
    gap: var(--space-2xl);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .pricing-grid {
    gap: var(--space-lg);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .engineer-container {
    gap: var(--space-2xl);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: rgba(12,25,51,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 999;
  }

  .navbar.scrolled .nav-links {
    background: rgba(255,255,255,0.98);
  }

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

  .nav-links.open .nav-link {
    color: rgba(255,255,255,0.85);
  }

  .navbar.scrolled .nav-links.open .nav-link {
    color: var(--text-secondary);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-4xl);
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: var(--space-2xl);
  }

  .hero-image {
    order: -1;
  }

  .hero-image-wrapper {
    max-width: 400px;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .features-grid .feature-card:nth-child(4),
  .features-grid .feature-card:nth-child(5) {
    grid-column: auto;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    max-width: 420px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured.visible {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-6px);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  /* Engineer section mobile */
  .engineer-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  /* Gallery mobile */
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  /* Modal responsive */
  .modal-container {
    padding: var(--space-xl);
    max-height: 95vh;
  }

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

  .modal-title {
    font-size: var(--font-size-xl);
  }

  /* WhatsApp button */
  .whatsapp-float-tooltip {
    display: none;
  }

  .whatsapp-float-btn {
    width: 54px;
    height: 54px;
  }

  .whatsapp-float-btn svg {
    width: 26px;
    height: 26px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .hero-stat {
    align-items: center;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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