/* ================================
      💙 JV WEB — 
   ================================ */

/* ========== VARIABLES CSS ========== */
:root {
  --primary: #004aad;
  --primary-light: #007bff;
  --accent: #00bcd4;
  --accent-glow: #00d4ff;
  --secondary: #00a2ff;
  --dark: #0a0e27;
  --dark-light: #1a1f3a;
  --light: #f6f7fb;
  --white: #ffffff;
  --text: #2c3e50;
  
  --shadow-sm: 0 4px 15px rgba(0, 74, 173, 0.1);
  --shadow-md: 0 8px 25px rgba(0, 74, 173, 0.15);
  --shadow-lg: 0 15px 40px rgba(0, 74, 173, 0.2);
  --shadow-xl: 0 25px 60px rgba(0, 74, 173, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 188, 212, 0.4), 0 0 80px rgba(0, 188, 212, 0.2);
  
  --gradient-primary: linear-gradient(135deg, #004aad, #007bff);
  --gradient-accent: linear-gradient(135deg, #007bff, #00bcd4);
  --gradient-mesh: linear-gradient(135deg, #004aad 0%, #007bff 50%, #00bcd4 100%);
  --gradient-shine: linear-gradient(110deg, transparent 40%, rgba(255,255,255,0.4) 50%, transparent 60%);
  
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --blur-glass: blur(20px);
}

/* ========== RESET ULTRA ========== */
* { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
}

html { 
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body { 
  font-family: 'Poppins', 'Inter', system-ui, -apple-system, sans-serif; 
  background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 30%, #f6f7fb 60%);
  color: var(--text); 
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Arrière-plan animé avec mesh gradient */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 188, 212, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 123, 255, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(0, 74, 173, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: meshRotate 35s ease-in-out infinite;
  opacity: 0.7;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(circle, rgba(0, 188, 212, 0.03) 1px, transparent 1px);
  background-size: 50px 50px, 80px 80px;
  background-position: 0 0, 40px 40px;
  pointer-events: none;
  z-index: -1;
  animation: particlesMove 50s linear infinite;
}

body.menu-open {
  overflow: hidden;
}

@keyframes meshRotate {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  33% { transform: translate(30px, -40px) rotate(5deg) scale(1.1); }
  66% { transform: translate(-30px, 30px) rotate(-5deg) scale(0.95); }
}

@keyframes particlesMove {
  0% { background-position: 0 0, 40px 40px; }
  100% { background-position: 100px 100px, 140px 140px; }
}

/* ========== ANIMATIONS ULTRA ========== */
@keyframes fadeIn { 
  from {
    opacity: 0; 
    transform: translateY(50px) scale(0.95);
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1);
  } 
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-80px) rotateY(-15deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotateY(0deg);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(80px) rotateY(15deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotateY(0deg);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85) rotate(-3deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-25px) rotate(2deg); }
  66% { transform: translateY(-12px) rotate(-2deg); }
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(0, 188, 212, 0.5))
            drop-shadow(0 0 40px rgba(0, 188, 212, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 30px rgba(0, 123, 255, 0.7))
            drop-shadow(0 0 60px rgba(0, 123, 255, 0.4));
  }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.85; }
}

@keyframes wave {
  0%, 100% { transform: translateY(0) scaleY(1); }
  50% { transform: translateY(-6px) scaleY(1.05); }
}

@keyframes rotate3D {
  0% { transform: perspective(1000px) rotateY(0deg); }
  100% { transform: perspective(1000px) rotateY(360deg); }
}

@keyframes ripple {
  0% { transform: scale(0); opacity: 1; }
  100% { transform: scale(4); opacity: 0; }
}

/* ========== TYPOGRAPHY ========== */
a { 
  text-decoration: none; 
  color: inherit; 
  transition: var(--transition-smooth);
  position: relative;
}

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

/* ========== HEADER GLASSMORPHISM ========== */
header {
  position: fixed; 
  top: 0; 
  width: 100%;
  padding: 20px 0;
  color: white;
  z-index: 1000;
  transition: var(--transition-smooth);
  animation: slideInLeft 1s ease-out;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 74, 173, 0);
  backdrop-filter: blur(0px);
  transition: var(--transition-smooth);
  z-index: -1;
  border-bottom: 1px solid transparent;
}

header.scrolled::before { 
  background: rgba(10, 14, 39, 0.9); 
  backdrop-filter: var(--blur-glass);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(0, 188, 212, 0.3);
}

header.scrolled {
  padding: 15px 0;
}

.header-container { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: 15px;
  padding: 0 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.logo { 
  width: 60px; 
  height: 60px;
  border-radius: 16px;
  transition: var(--transition-bounce);
  animation: scaleIn 0.8s ease-out, float 5s ease-in-out infinite;
  box-shadow: var(--shadow-md);
  border: 2px solid rgba(0, 188, 212, 0.4);
  position: relative;
  overflow: hidden;
}

.logo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-shine);
  animation: shimmer 4s linear infinite;
}

.logo:hover {
  transform: rotate(360deg) scale(1.15);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-glow);
}

header h1 { 
  font-size: 1.9rem; 
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #00bcd4 50%, #007bff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideInRight 1s ease-out, shimmer 6s linear infinite;
  text-shadow: 0 0 30px rgba(0, 188, 212, 0.5);
}

/* ========== NAVIGATION ULTRA ========== */
nav ul { 
  list-style: none; 
  display: flex; 
  justify-content: center; 
  gap: 10px; 
  margin-top: 10px;
  flex-wrap: wrap;
}

nav ul li {
  animation: fadeIn 0.8s ease-out backwards;
}

nav ul li:nth-child(1) { animation-delay: 0.1s; }
nav ul li:nth-child(2) { animation-delay: 0.2s; }
nav ul li:nth-child(3) { animation-delay: 0.3s; }
nav ul li:nth-child(4) { animation-delay: 0.4s; }
nav ul li:nth-child(5) { animation-delay: 0.5s; }

nav ul li a { 
  color: white; 
  font-weight: 600; 
  display: flex; 
  align-items: center; 
  gap: 8px;
  padding: 10px 18px;
  border-radius: 12px;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

nav ul li a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-accent);
  transition: var(--transition-smooth);
  z-index: -1;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--accent-glow);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
  box-shadow: 0 0 15px var(--accent-glow);
}

nav ul li a:hover::before,
nav ul li a.active::before {
  left: 0;
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 80%;
}

nav ul li a:hover { 
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 188, 212, 0.4);
  border-color: rgba(0, 212, 255, 0.5);
}

nav ul li a.active {
  background: rgba(0, 188, 212, 0.15);
  border-color: var(--accent-glow);
}

/* ========== HERO BANNER IMMERSIF ========== */
.hero-banner {
  position: relative;
  height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
  background: var(--gradient-mesh);
  margin-top: 90px;
  box-shadow: inset 0 -2px 50px rgba(0, 0, 0, 0.3);
}

.hero-banner.small-banner { 
  height: 450px; 
}

/* Grille animée */
.hero-banner::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: 
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.02) 2px, rgba(255, 255, 255, 0.02) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, 0.02) 2px, rgba(255, 255, 255, 0.02) 4px);
  background-size: 70px 70px;
  animation: particlesMove 40s linear infinite;
  opacity: 0.5;
}

/* Orbe lumineux */
.hero-banner::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(70px);
  animation: float 10s ease-in-out infinite;
  pointer-events: none;
}

.banner-img {
  position: absolute;
  width: 100%; 
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45) saturate(1.2);
  transform: scale(1.1);
  transition: transform 1.5s ease-out;
  z-index: 0;
}

.hero-banner:hover .banner-img {
  transform: scale(1.15);
  filter: brightness(0.5) saturate(1.3);
}

.banner-text {
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: translateY(50px);
  animation: fadeIn 1.8s forwards 0.3s;
  max-width: 950px;
  padding: 0 30px;
}

.banner-text h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  text-shadow: 
    0 0 40px rgba(0, 188, 212, 0.6),
    0 4px 25px rgba(0, 0, 0, 0.4);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  position: relative;
}

.banner-text h2::before {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 5px;
  background: var(--accent-glow);
  border-radius: 10px;
  box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow);
  animation: wave 2.5s ease-in-out infinite;
}

.banner-text p {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  margin-bottom: 30px;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
  line-height: 1.7;
  font-weight: 300;
  opacity: 0.95;
}

/* ========== BUTTONS ULTRA ========== */
.btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--gradient-accent);
  color: white;
  border-radius: 50px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 188, 212, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1.05rem;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  transition: width 0.7s, height 0.7s;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-shine);
  animation: shimmer 3s linear infinite;
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn:hover { 
  transform: translateY(-5px) scale(1.05); 
  box-shadow: 
    0 12px 35px rgba(0, 188, 212, 0.6),
    0 0 50px rgba(0, 212, 255, 0.4);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn:active {
  transform: translateY(-3px) scale(1.02);
}

/* ========== SECTIONS PREMIUM ========== */
section { 
  padding: 100px 20px; 
  max-width: 1200px; 
  margin: auto;
  position: relative;
}

section h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 25px;
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  position: relative;
  padding-bottom: 25px;
  letter-spacing: -0.02em;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background: var(--gradient-accent);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 188, 212, 0.5);
  animation: wave 2s ease-in-out infinite;
}

section h3 {
  color: var(--primary-light);
  margin-bottom: 15px;
  font-weight: 700;
}

section p {
  margin-bottom: 15px;
  line-height: 1.9;
  color: #555;
}

#hero {
  background: var(--gradient-mesh);
  color: white;
  padding: 80px 40px;
  border-radius: 30px;
  text-align: center;
  margin-top: 60px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 188, 212, 0.3);
}

#hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  animation: meshRotate 25s ease-in-out infinite;
  pointer-events: none;
}

#hero h2 {
  color: white;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
}

#hero h2::after {
  background: white;
  box-shadow: 0 0 20px white;
}

/* ========== CARDS ULTRA ========== */
.cards { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 40px; 
  justify-content: center;
  margin-top: 60px;
  perspective: 1000px;
}

.card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 40px;
  border-radius: 24px;
  width: 310px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  border: 1px solid rgba(0, 188, 212, 0.15);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.card::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.08) 0%, transparent 60%);
  transition: var(--transition-smooth);
  pointer-events: none;
  animation: meshRotate 20s ease-in-out infinite;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition-smooth);
  box-shadow: 0 0 20px var(--accent-glow);
}

.card:hover { 
  transform: translateY(-12px) rotateX(3deg) scale(1.02);
  box-shadow: var(--shadow-xl), 0 0 60px rgba(0, 188, 212, 0.3);
  border-color: var(--accent-glow);
}

.card:hover::before {
  top: -50%;
  left: -50%;
}

.card:hover::after {
  opacity: 1;
}

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

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary);
  font-weight: 700;
}

.card.project {
  border-top: 5px solid var(--primary-light);
}

/* ========== ABOUT PAGE ========== */
.about-section {
  padding: 80px 20px;
}

.about-section h2 {
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  margin-bottom: 35px;
}

.about-section > p {
  text-align: center;
  font-size: 1.2rem;
  max-width: 850px;
  margin: 0 auto 70px;
  color: #666;
  line-height: 1.9;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 35px;
  margin: 60px 0;
}

.value-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 45px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: translateY(40px);
  border: 1px solid rgba(0, 188, 212, 0.15);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, rgba(0, 188, 212, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.value-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-glow);
}

.value-card:hover::before {
  opacity: 1;
}

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

.value-card h3 {
  font-size: 1.6rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.about-call {
  text-align: center;
  background: var(--gradient-mesh);
  color: white;
  padding: 60px 40px;
  border-radius: 30px;
  margin-top: 70px;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.about-call::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: meshRotate 30s ease-in-out infinite;
}

.about-call h3 {
  color: white;
  font-size: 2.2rem;
  margin-bottom: 20px;
  position: relative;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ========== SERVICES PAGE ========== */
.services {
  padding: 80px 20px;
}

.services .intro {
  text-align: center;
  font-size: 1.15rem;
  max-width: 850px;
  margin: 0 auto 60px;
  color: #666;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 35px;
  margin: 60px 0;
}

.service-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 45px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  border-left: 5px solid var(--primary-light);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at bottom right, rgba(0, 188, 212, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
  border-left-color: var(--accent);
  border-left-width: 6px;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card h3 {
  font-size: 1.6rem;
  margin-bottom: 15px;
  color: var(--primary);
  font-weight: 700;
}

.cta {
  text-align: center;
  margin-top: 60px;
}

/* ========== CONTACT PAGE GLASSMORPHISM ========== */
.contact-form,
.contact-info {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 50px;
  border-radius: 30px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-smooth);
  border: 1px solid rgba(0, 188, 212, 0.2);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.contact-form::before,
.contact-info::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.08) 0%, transparent 60%);
  transition: var(--transition-smooth);
  pointer-events: none;
  animation: meshRotate 25s ease-in-out infinite;
}

.contact-form::after,
.contact-info::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition-smooth);
  box-shadow: 0 0 20px var(--accent-glow);
}

.contact-form:hover,
.contact-info:hover {
  transform: translateY(-15px) rotateX(2deg);
  box-shadow: var(--shadow-xl), 0 0 60px rgba(0, 188, 212, 0.3);
  border-color: var(--accent-glow);
}

.contact-form:hover::before,
.contact-info:hover::before {
  top: -50%;
  left: -50%;
}

.contact-form:hover::after,
.contact-info:hover::after {
  opacity: 1;
}

.contact-form h3,
.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 25px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.contact-form p {
  margin-bottom: 30px;
  color: #666;
  font-size: 1.05rem;
  line-height: 1.8;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 18px 22px;
  margin-bottom: 22px;
  border: 2px solid #e5e7eb;
  border-radius: 16px;
  font-family: inherit;
  font-size: 1.05rem;
  transition: var(--transition-smooth);
  background: rgba(250, 251, 252, 0.8);
  backdrop-filter: blur(10px);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-glow);
  background: var(--white);
  box-shadow: 
    0 0 0 4px rgba(0, 188, 212, 0.15),
    0 8px 20px rgba(0, 188, 212, 0.2);
  transform: translateY(-3px);
}

.contact-form input:hover,
.contact-form textarea:hover {
  border-color: var(--primary-light);
  background: var(--white);
}

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

.contact-info ul {
  list-style: none;
  margin-bottom: 35px;
}

.contact-info ul li {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-smooth);
  border-radius: 10px;
  margin-bottom: 8px;
  background: rgba(0, 188, 212, 0.02);
}

.contact-info ul li:last-child {
  border-bottom: none;
}

.contact-info ul li:hover {
  background: rgba(0, 188, 212, 0.08);
  transform: translateX(8px);
  padding-left: 22px;
}

.contact-info ul li i {
  color: var(--primary-light);
  font-size: 1.3rem;
  transition: var(--transition-smooth);
}

.contact-info ul li:hover i {
  animation: pulse 0.6s ease-in-out;
  color: var(--accent-glow);
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.map {
  margin-top: 35px;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.map::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-radius: 20px;
  transition: var(--transition-smooth);
  pointer-events: none;
  z-index: 1;
}

.map:hover::before {
  border-color: var(--accent-glow);
  box-shadow: inset 0 0 30px rgba(0, 188, 212, 0.2);
}

.map iframe {
  width: 100%;
  height: 280px;
  border: 0;
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.map:hover iframe {
  transform: scale(1.02);
}

/* ========== TARIFS PAGE ========== */
.tarifs-container {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.tarif-card {
  position: relative;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 45px;
  border-radius: 25px;
  border: 2px solid #e5e7eb;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tarif-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top, rgba(0, 188, 212, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.tarif-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.tarif-card:hover::before {
  opacity: 1;
}

.tarif-card.highlight {
  border: 3px solid var(--primary-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 50px rgba(0, 123, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(0, 188, 212, 0.05) 100%);
}

.tarif-card.highlight::before {
  content: "⭐ POPULAIRE";
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: white;
  padding: 8px 25px;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
  letter-spacing: 1px;
  animation: pulse 2s ease-in-out infinite;
}

.tarif-card.highlight:hover {
  transform: scale(1.08);
}

.price {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 25px 0;
  text-shadow: 0 4px 20px rgba(0, 123, 255, 0.2);
}

/* ========== ADVANTAGES SECTION ========== */
.advantages {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: var(--blur-glass);
  padding: 90px 30px;
  border-radius: 30px;
  margin-top: 60px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 188, 212, 0.2);
  position: relative;
  overflow: hidden;
}

.advantages::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.05) 0%, transparent 50%);
  animation: meshRotate 30s ease-in-out infinite;
  pointer-events: none;
}

/* ========== FOOTER PREMIUM ========== */
footer {
  background: var(--gradient-mesh);
  color: white;
  text-align: center;
  padding: 50px 30px;
  margin-top: 100px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 50px rgba(0, 0, 0, 0.3);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, 
    transparent 0%,
    var(--accent-glow) 25%,
    var(--accent-glow) 50%,
    var(--accent-glow) 75%,
    transparent 100%
  );
  animation: shimmer 4s linear infinite;
  background-size: 200% 100%;
  box-shadow: 0 0 20px var(--accent-glow);
}

footer::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 50%, rgba(0, 188, 212, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 70% 50%, rgba(0, 123, 255, 0.15) 0%, transparent 40%);
  animation: meshRotate 30s ease-in-out infinite;
  pointer-events: none;
}

footer p {
  margin: 0;
  font-size: 1rem;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  opacity: 0.95;
  font-weight: 300;
}

/* ========== ANIMATIONS UTILITY ========== */
.fade-in { 
  opacity: 0; 
  transform: translateY(40px); 
  transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible { 
  opacity: 1; 
  transform: translateY(0); 
}

/* ========== MENU BURGER ANIMÉ ========== */
.burger {
  display: none;
  cursor: pointer;
  margin-left: auto;
  padding: 12px;
  background: rgba(0, 188, 212, 0.15);
  border: 2px solid rgba(0, 188, 212, 0.4);
  border-radius: 14px;
  z-index: 1001;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.burger:hover {
  background: rgba(0, 188, 212, 0.25);
  border-color: var(--accent-glow);
  box-shadow: 0 0 20px rgba(0, 188, 212, 0.5);
}

.burger span {
  display: block;
  width: 30px;
  height: 3px;
  background: white;
  margin: 6px 0;
  transition: var(--transition-smooth);
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.burger.open span:nth-child(1) { 
  transform: rotate(45deg) translateY(13px);
  background: var(--accent-glow);
  box-shadow: 0 0 15px var(--accent-glow);
}

.burger.open span:nth-child(2) { 
  opacity: 0;
  transform: translateX(-30px);
}

.burger.open span:nth-child(3) { 
  transform: rotate(-45deg) translateY(-13px);
  background: var(--accent-glow);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* ========== OVERLAY ========== */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  z-index: 999;
  backdrop-filter: blur(8px);
}

.overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ========== SCROLLBAR PREMIUM ========== */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--dark);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-accent);
  border-radius: 10px;
  border: 2px solid var(--dark);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary);
  box-shadow: 
    inset 0 0 6px rgba(0, 0, 0, 0.5),
    0 0 15px rgba(0, 188, 212, 0.5);
}

::-webkit-scrollbar-corner {
  background: var(--dark);
}

/* ========== SELECTION TEXTE ========== */
::selection {
  background: var(--accent-glow);
  color: var(--white);
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

::-moz-selection {
  background: var(--accent-glow);
  color: var(--white);
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* ========== LOADING SKELETON ========== */
@keyframes skeleton-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(0, 74, 173, 0.1) 25%,
    rgba(0, 188, 212, 0.2) 50%,
    rgba(0, 74, 173, 0.1) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 12px;
}

/* ========== BADGES ========== */
.badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--gradient-accent);
  color: white;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.badge:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-md);
}

/* ========== RESPONSIVE ULTRA ========== */
@media (max-width: 768px) {
  
  /* Navigation mobile premium */
  nav ul {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 300px;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: var(--blur-glass);
    flex-direction: column;
    padding: 130px 35px 40px;
    gap: 15px;
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), 
                opacity 0.3s ease;
    z-index: 1000;
    box-shadow: -15px 0 40px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    border-left: 2px solid rgba(0, 188, 212, 0.3);
  }

  nav ul.open {
    transform: translateX(0);
    opacity: 1;
  }

  nav ul li {
    animation: slideInRight 0.5s ease-out backwards;
  }

  nav ul li:nth-child(1) { animation-delay: 0.1s; }
  nav ul li:nth-child(2) { animation-delay: 0.15s; }
  nav ul li:nth-child(3) { animation-delay: 0.2s; }
  nav ul li:nth-child(4) { animation-delay: 0.25s; }
  nav ul li:nth-child(5) { animation-delay: 0.3s; }

  nav ul li a {
    color: white;
    font-size: 1.15rem;
    font-weight: 600;
    padding: 14px 18px;
    border-radius: 12px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  nav ul li a:hover {
    background: rgba(0, 188, 212, 0.2);
    border-color: var(--accent-glow);
  }

  .burger { 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  /* Header mobile */
  header h1 {
    font-size: 1.5rem;
  }

  .logo {
    width: 50px;
    height: 50px;
  }

  /* Banner mobile */
  .banner-text h2 {
    font-size: 2.2rem;
  }

  .banner-text p {
    font-size: 1.15rem;
  }

  .hero-banner {
    height: 550px;
  }

  .hero-banner.small-banner {
    height: 380px;
  }

  /* Sections mobile */
  section {
    padding: 70px 20px;
  }

  section h2 {
    font-size: 2.2rem;
  }

  #hero {
    padding: 60px 30px;
    margin-top: 40px;
  }

  /* Cards mobile */
  .cards {
    gap: 30px;
  }

  .card {
    width: 100%;
    max-width: 380px;
  }

  /* Contact mobile */
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .contact-form,
  .contact-info {
    padding: 40px 30px;
  }

  /* About mobile */
  .about-values {
    grid-template-columns: 1fr;
  }

  .about-call {
    padding: 50px 30px;
  }

  /* Services mobile */
  .service-grid {
    grid-template-columns: 1fr;
  }

  /* Tarifs mobile */
  .tarif-card.highlight {
    transform: scale(1.02);
  }

  .tarifs-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  
  .banner-text h2 {
    font-size: 1.8rem;
  }

  .banner-text p {
    font-size: 1.05rem;
  }

  .btn {
    padding: 14px 30px;
    font-size: 1rem;
  }

  section h2 {
    font-size: 1.9rem;
  }

  header h1 {
    font-size: 1.3rem;
  }

  .logo {
    width: 46px;
    height: 46px;
  }

  .contact-form,
  .contact-info {
    padding: 35px 25px;
  }

  nav ul {
    width: 280px;
    padding: 120px 30px 30px;
  }

  .hero-banner {
    height: 480px;
  }

  .hero-banner.small-banner {
    height: 340px;
  }
}

/* ========== ANIMATIONS PERFORMANCE ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== MODE SOMBRE AUTO ========== */
@media (prefers-color-scheme: dark) {
  :root {
    --light: #1a1f3a;
  }
  
  body {
    background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 100%);
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  header,
  footer,
  .burger,
  .btn,
  .overlay {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  section {
    page-break-inside: avoid;
  }
}-page {
  padding: 80px 20px;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 50px;
  max-width: 1150px;
  margin: 0 auto;
  perspective: 1000px;
}

.contact/* ========== CONTACT WRAPPER  ========== */
.contact {
  padding: 80px 20px;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 50px;
  max-width: 1150px;
  margin: 0 auto;
  perspective: 1000px;
}

/* ========== FORM BUTTON ALIGN ========== */
.contact-form button.btn {
  width: 100%;
  margin-top: 10px;
}

/* ========== FOOTER LINKS (OPTIONNEL) ========== */
footer a {
  color: white;
  font-weight: 600;
}

footer a:hover {
  color: var(--accent-glow);
  text-shadow: 0 0 10px var(--accent-glow);
}

/* ========== UTIL CLASSES ========== */
.text-center {
  text-align: center;
}

.mt-40 {
  margin-top: 40px;
}

.mb-40 {
  margin-bottom: 40px;
}

/* ========== FIN DU FICHIER CSS ========== */