/* ============================================
   BORNAGE LANDING PAGE - STYLES
   Design professionnel orienté SaaS B2B
   ============================================ */

/* Variables de couleurs modernes */
:root {
  --primary-color: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #3385FF;
  --primary-gradient: linear-gradient(135deg, #0066FF 0%, #0052CC 100%);
  --secondary-color: #6C757D;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  --info-color: #3B82F6;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --border-radius: 16px;
  --border-radius-lg: 24px;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #FFFFFF;
}

/* Padding pour compenser la navbar fixe */
main {
  padding-top: 80px;
  overflow-x: hidden;
}

/* ============================================
   NAVBAR / HEADER - Glassmorphism moderne
   ============================================ */
.navbar {
  padding: 1.25rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.8) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95) !important;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  transition: all 0.3s ease;
  letter-spacing: -0.5px;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.navbar-brand:hover {
  transform: scale(1.02);
}

.navbar-logo {
  height: 60px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-brand:hover .navbar-logo {
  transform: scale(1.05);
}

.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark) !important;
  margin: 0 0.75rem;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--primary-color) !important;
  background-color: rgba(0, 102, 255, 0.05);
}

.nav-link:hover::after {
  width: 80%;
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-outline-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-gradient);
  transition: left 0.3s ease;
  z-index: -1;
}

.btn-outline-primary:hover {
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 102, 255, 0.2);
}

.btn-outline-primary:hover::before {
  left: 0;
}

.btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 102, 255, 0.4);
  filter: brightness(1.1);
}

/* ============================================
   HERO SECTION - Design moderne avec gradient
   ============================================ */
.hero-section {
  background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 30%, #F8FAFC 70%, #FFFFFF 100%);
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(30px, -30px) rotate(180deg); }
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-content-wrapper {
  animation: fadeInLeft 1s ease-out both;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Badges de confiance */
.hero-badges {
  margin-top: 2rem;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 102, 255, 0.1);
}

.badge-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: white;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-dark);
  letter-spacing: -2px;
  margin-bottom: 1.75rem;
  background: linear-gradient(135deg, #1E293B 0%, #334155 50%, #475569 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-weight: 400;
  line-height: 1.75;
  max-width: 90%;
}

.hero-cta-buttons {
  margin-bottom: 2rem;
}

.hero-cta-buttons .btn {
  font-weight: 600;
  border-radius: 14px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.2);
}

.hero-cta-buttons .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

/* ============================================
   HERO ILLUSTRATION - Design moderne premium
   ============================================ */
.hero-illustration-wrapper {
  position: relative;
  padding: 0.5rem;
  animation: fadeInRight 1s ease-out 0.3s both;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero-illustration-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 249, 255, 0.95) 50%, rgba(255, 255, 255, 0.98) 100%);
  border-radius: 40px;
  box-shadow: 
    0 25px 80px rgba(0, 102, 255, 0.12),
    0 0 0 1px rgba(0, 102, 255, 0.08),
    inset 0 2px 4px rgba(255, 255, 255, 0.9),
    inset 0 -2px 4px rgba(0, 102, 255, 0.05);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: visible;
  width: 100%;
  max-width: 100%;
  min-height: 650px;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.hero-illustration-container::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  z-index: 0;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-illustration {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 580px;
  max-height: 680px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.12));
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
  0%, 100% { 
    transform: translateY(0px); 
  }
  50% { 
    transform: translateY(-15px); 
  }
}

.hero-illustration-container:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
    0 30px 80px rgba(0, 102, 255, 0.2),
    0 0 0 1px rgba(0, 102, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.hero-illustration-container:hover .hero-illustration {
  transform: scale(1.05);
  filter: drop-shadow(0 35px 70px rgba(0, 0, 0, 0.15));
}

/* Éléments décoratifs flottants */
.hero-decoration {
  position: absolute;
  border-radius: 50%;
  background: var(--primary-gradient);
  opacity: 0.1;
  z-index: 1;
  animation: floatDecoration 8s ease-in-out infinite;
}

.hero-decoration-1 {
  width: 120px;
  height: 120px;
  top: -20px;
  right: -20px;
  animation-delay: 0s;
}

.hero-decoration-2 {
  width: 80px;
  height: 80px;
  bottom: 10%;
  left: -30px;
  animation-delay: 2s;
}

.hero-decoration-3 {
  width: 60px;
  height: 60px;
  top: 50%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes floatDecoration {
  0%, 100% { 
    transform: translate(0, 0) scale(1);
    opacity: 0.1;
  }
  50% { 
    transform: translate(20px, -20px) scale(1.2);
    opacity: 0.2;
  }
}

.hero-illustration-container:hover .hero-decoration {
  opacity: 0.15;
  transform: scale(1.3);
}

/* Responsive pour l'illustration */
@media (max-width: 992px) {
  .hero-illustration-wrapper {
    padding: 0.5rem;
    margin-top: 2rem;
  }
  
  .hero-illustration-container {
    padding: 0.5rem;
    border-radius: 24px;
    min-height: 450px;
  }
  
  .hero-illustration {
    max-width: 110%;
    min-width: 110%;
    width: 110%;
    min-height: 400px;
    max-height: 550px;
    transform: scale(1);
  }
  
  .hero-decoration {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-illustration-wrapper {
    padding: 0.25rem;
  }
  
  .hero-illustration-container {
    padding: 0.5rem;
    border-radius: 20px;
    min-height: 400px;
  }
  
  .hero-illustration {
    min-width: 100%;
    width: 100%;
    max-width: 100%;
    min-height: 350px;
    max-height: 450px;
    transform: scale(1);
  }
}

/* ============================================
   SECTION PROBLÈME - Cartes modernes
   ============================================ */
.probleme-section {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
}

.probleme-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--border-radius);
  background: white;
  overflow: hidden;
  position: relative;
}

.probleme-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.probleme-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 255, 0.2);
}

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

.probleme-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}

.probleme-card:hover .probleme-icon {
  transform: scale(1.1) rotate(5deg);
}

/* ============================================
   SECTION SOLUTION - Design épuré moderne
   ============================================ */
.solution-section {
  background: white;
  position: relative;
}

.solution-item {
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 102, 255, 0.05)) border-box;
}

.solution-item:hover {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 102, 255, 0.02) 100%);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.solution-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 102, 255, 0.05) 100%);
  border-radius: 16px;
  transition: all 0.4s ease;
}

.solution-item:hover .solution-icon {
  transform: scale(1.15) rotate(-5deg);
  background: var(--primary-gradient);
}

.solution-item:hover .solution-icon i {
  color: white !important;
}

/* ============================================
   SECTION FONCTIONNALITÉS - Cartes premium
   ============================================ */
.fonctionnalites-section {
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  position: relative;
}

.fonctionnalite-card {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--border-radius);
  background: white;
  position: relative;
  overflow: hidden;
}

.fonctionnalite-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.fonctionnalite-card > * {
  position: relative;
  z-index: 1;
}

.fonctionnalite-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-2xl);
  border-color: transparent;
}

.fonctionnalite-card:hover::after {
  opacity: 0.05;
}

.fonctionnalite-card:hover .fonctionnalite-icon i {
  transform: scale(1.2) rotate(10deg);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fonctionnalite-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.fonctionnalite-icon i {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
}

/* ============================================
   SECTION UTILISATEURS - Design moderne
   ============================================ */
.utilisateurs-section {
  background: white;
  position: relative;
}

.utilisateur-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--border-radius);
  background: white;
  position: relative;
  overflow: hidden;
}

.utilisateur-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: all 0.4s ease;
}

.utilisateur-card.border-primary::before {
  background: linear-gradient(90deg, #0066FF, #0052CC);
}

.utilisateur-card.border-success::before {
  background: linear-gradient(90deg, #10B981, #059669);
}

.utilisateur-card.border-warning::before {
  background: linear-gradient(90deg, #F59E0B, #D97706);
}

.utilisateur-card.border-info::before {
  background: linear-gradient(90deg, #3B82F6, #2563EB);
}

.utilisateur-card:hover {
  transform: translateY(-10px) rotate(1deg);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.utilisateur-card:hover::before {
  height: 100%;
  opacity: 0.05;
}

.utilisateur-card:hover .utilisateur-icon {
  transform: scale(1.15) rotate(-5deg);
}

.utilisateur-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}

/* ============================================
   SECTION CTA - Design premium moderne
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, #0066FF 0%, #0052CC 50%, #003D99 100%);
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  letter-spacing: -1px;
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: white;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-light:hover {
  background-color: white;
  color: var(--primary-color);
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.btn-light {
  background: white;
  color: var(--primary-color);
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 12px;
  border: 2px solid white;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  filter: brightness(1.05);
}

/* ============================================
   FOOTER - Design moderne
   ============================================ */
footer {
  background: linear-gradient(180deg, #1E293B 0%, #0F172A 100%) !important;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

footer a {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

footer a:hover {
  color: var(--white) !important;
  padding-left: 5px;
}

footer a:hover::after {
  width: 100%;
}

.social-links a {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.social-links a:hover {
  transform: translateY(-5px) scale(1.1);
  background: var(--primary-gradient);
  box-shadow: 0 10px 20px rgba(0, 102, 255, 0.3);
}

/* ============================================
   UTILITIES
   ============================================ */
.min-vh-75 {
  min-height: 75vh;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.7) !important;
}

.bg-white-50 {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
  .hero-section {
    min-height: auto;
    padding: 3rem 0;
  }
  
  .hero-title {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 100%;
  }
  
  .hero-illustration-container {
    min-height: 500px;
    padding: 1.5rem;
    border-radius: 32px;
  }
  
  .hero-illustration {
    min-height: 450px;
    max-height: 550px;
  }
  
  .display-5 {
    font-size: 2rem;
  }
  
  .display-4 {
    font-size: 2.5rem;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .navbar-logo {
    height: 50px;
  }
}

@media (max-width: 768px) {
  .hero-section {
    min-height: auto;
    padding: 2.5rem 0;
  }
  
  .hero-title {
    font-size: 2.25rem;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.75rem;
  }
  
  .hero-cta-buttons {
    flex-direction: column;
    gap: 1rem !important;
  }
  
  .hero-cta-buttons .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }
  
  .hero-illustration-container {
    min-height: 400px;
    padding: 1rem;
    border-radius: 24px;
  }
  
  .hero-illustration {
    min-height: 350px;
    max-height: 450px;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .probleme-card,
  .fonctionnalite-card,
  .utilisateur-card {
    margin-bottom: 1rem;
  }
  
  main {
    padding-top: 70px;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .navbar-logo {
    height: 45px;
  }
  
  .navbar-brand {
    padding: 0.25rem 0;
  }
}

@media (max-width: 576px) {
  .hero-section h1 {
    font-size: 1.75rem;
  }
  
  .d-flex.gap-3 {
    flex-direction: column;
    gap: 1rem !important;
  }
  
  .btn-lg {
    width: 100%;
  }
}

/* ============================================
   ANIMATIONS MODERNES
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in {
  animation: fadeIn 1s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-right {
  animation: slideInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Intersection Observer pour animations au scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .navbar,
  footer,
  .btn {
    display: none !important;
  }
  
  main {
    padding-top: 0;
  }
}
