/* Maïa Elange - Styles CSS Optimisés pour Hostinger */

/* Reset et Variables CSS */
:root {
  /* Couleurs principales */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  
  --secondary-50: #ecfdf5;
  --secondary-100: #d1fae5;
  --secondary-500: #10b981;
  --secondary-600: #059669;
  
  --orange-500: #f97316;
  --orange-600: #ea580c;
  
  /* Couleurs neutres */
  --neutral-50: #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-400: #9ca3af;
  --neutral-500: #6b7280;
  --neutral-600: #4b5563;
  --neutral-700: #374151;
  --neutral-800: #1f2937;
  --neutral-900: #111827;
  
  /* Typographie */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
  
  /* Espacement */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  
  /* Bordures */
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: white;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-900);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-4);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-8);
  }
}

/* Composants UI */

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.btn-primary {
  background-color: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-700);
  border-color: var(--primary-700);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: white;
  color: var(--primary-600);
  border-color: var(--primary-600);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--primary-50);
  color: var(--primary-700);
  border-color: var(--primary-700);
}

/* Icônes */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.btn .icon {
  width: 1rem;
  height: 1rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background-color: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--border-radius-lg);
}

/* Sections */
section {
  padding: var(--spacing-16) 0;
}

@media (min-width: 1024px) {
  section {
    padding: var(--spacing-24) 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-badge {
  margin-bottom: var(--spacing-4);
}

.section-title {
  margin-bottom: var(--spacing-6);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--neutral-600);
  max-width: 600px;
  margin: 0 auto;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-200);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--neutral-900);
}

.logo {
  width: 2rem;
  height: 2rem;
}

.nav-menu {
  display: none;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--neutral-700);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.nav-phone {
  display: none;
  align-items: center;
  gap: var(--spacing-2);
  font-weight: 500;
  color: var(--neutral-700);
}

@media (min-width: 768px) {
  .nav-phone {
    display: flex;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--neutral-700);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--neutral-50) 0%, var(--primary-50) 100%);
}

.hero-content {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.hero-badge {
  margin-bottom: var(--spacing-6);
}

.hero-title {
  margin-bottom: var(--spacing-6);
  font-size: var(--font-size-4xl);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--neutral-600);
  margin-bottom: var(--spacing-8);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--spacing-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

.hero-guarantee {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

@media (min-width: 640px) {
  .hero-guarantee {
    flex-direction: row;
    gap: var(--spacing-6);
  }
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
}

.floating-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  animation: float 3s ease-in-out infinite;
}

.floating-card.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-card.card-2 {
  top: 60%;
  right: 10%;
  animation-delay: 1s;
}

.floating-card.card-3 {
  bottom: 20%;
  left: 20%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Problems Section */
.problems {
  background-color: var(--neutral-50);
}

.problems-grid {
  display: grid;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.problem-card {
  background-color: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  transition: transform var(--transition-fast);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.problem-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.problem-title {
  margin-bottom: var(--spacing-4);
  color: var(--neutral-900);
}

.problem-description {
  color: var(--neutral-600);
  margin-bottom: var(--spacing-4);
}

.problem-impact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--neutral-200);
}

.impact-label {
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
}

.impact-value {
  font-weight: 700;
  color: var(--orange-600);
}

.problems-cta {
  text-align: center;
  padding: var(--spacing-8);
  background-color: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.cta-text {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-6);
}

/* Diagnostic Section */
.diagnostic {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  color: white;
}

.diagnostic .section-title,
.diagnostic .section-description {
  color: white;
}

.diagnostic-content {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .diagnostic-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.diagnostic-features {
  margin-bottom: var(--spacing-8);
}

.feature {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.feature-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.feature-title {
  margin-bottom: var(--spacing-2);
  color: white;
}

.feature-description {
  color: rgba(255, 255, 255, 0.9);
}

.diagnostic-guarantee {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.guarantee-box h4 {
  color: white;
  margin-bottom: var(--spacing-4);
}

.guarantee-box ul {
  list-style: none;
}

.guarantee-box li {
  margin-bottom: var(--spacing-2);
  color: rgba(255, 255, 255, 0.9);
}

.diagnostic-steps {
  margin-bottom: var(--spacing-8);
}

.step {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.step.active {
  opacity: 1;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.step.active .step-number {
  background-color: white;
  color: var(--primary-600);
}

.step-content h4 {
  color: white;
  margin-bottom: var(--spacing-2);
}

.step-content p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
}

.diagnostic-cta {
  text-align: center;
}

.cta-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
}

/* ROI Calculator */
.roi-calculator {
  background-color: var(--neutral-50);
}

.calculator-container {
  display: grid;
  gap: var(--spacing-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .calculator-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.calculator-form {
  background-color: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
  color: var(--neutral-900);
}

.form-group input[type="range"] {
  width: 100%;
  height: 8px;
  background: var(--neutral-200);
  border-radius: var(--border-radius);
  outline: none;
  -webkit-appearance: none;
}

.form-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-600);
  border-radius: 50%;
  cursor: pointer;
}

.form-group input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-600);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.range-value {
  text-align: center;
  margin-top: var(--spacing-2);
  font-weight: 600;
  color: var(--primary-600);
}

.form-group select {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--neutral-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: white;
}

.calculator-results {
  background-color: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.results-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.results-disclaimer {
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
  margin-top: var(--spacing-2);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.result-card {
  text-align: center;
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  background-color: var(--neutral-50);
}

.result-card.primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  color: white;
}

.result-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2);
}

.result-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-1);
}

.result-card.primary .result-value {
  color: white;
}

.result-label {
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
}

.result-card.primary .result-label {
  color: rgba(255, 255, 255, 0.9);
}

.results-breakdown {
  margin-bottom: var(--spacing-8);
  padding: var(--spacing-6);
  background-color: var(--neutral-50);
  border-radius: var(--border-radius-lg);
}

.results-breakdown h4 {
  margin-bottom: var(--spacing-4);
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
}

.results-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

@media (min-width: 640px) {
  .results-actions {
    flex-direction: row;
  }
}

.calculator-note {
  margin-top: var(--spacing-12);
  padding: var(--spacing-6);
  background-color: var(--orange-50);
  border: 1px solid var(--orange-200);
  border-radius: var(--border-radius-lg);
}

.note-content {
  display: flex;
  gap: var(--spacing-4);
  align-items: flex-start;
}

.note-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.note-text {
  color: var(--orange-800);
}

/* Services Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-600), var(--secondary-600));
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 3rem);
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    margin-right: calc(50% + 3rem);
  }
}

.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
}

@media (min-width: 768px) {
  .timeline-marker {
    left: 50%;
    transform: translateX(-50%);
  }
}

.marker-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  color: white;
  border-radius: 50%;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
}

.timeline-content {
  margin-left: 6rem;
  background-color: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  .timeline-content {
    margin-left: 0;
    max-width: 400px;
  }
}

.timeline-badge {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background-color: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
}

.timeline-title {
  margin-bottom: var(--spacing-4);
}

.timeline-description {
  color: var(--neutral-600);
  margin-bottom: var(--spacing-6);
}

.timeline-features {
  margin-bottom: var(--spacing-6);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
}

.feature-item .icon {
  color: var(--secondary-600);
}

.timeline-duration {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--neutral-200);
}

.duration-label {
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
}

.duration-value {
  font-weight: 600;
  color: var(--primary-600);
}

.services-cta {
  text-align: center;
  margin-top: var(--spacing-16);
  padding: var(--spacing-12);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  border-radius: var(--border-radius-xl);
}

.cta-content h3 {
  margin-bottom: var(--spacing-4);
}

.cta-content p {
  color: var(--neutral-600);
  margin-bottom: var(--spacing-6);
}

/* Contact Section */
.contact-content {
  display: grid;
  gap: var(--spacing-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.contact-methods {
  margin-bottom: var(--spacing-8);
}

.contact-method {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  padding: var(--spacing-6);
  background-color: var(--neutral-50);
  border-radius: var(--border-radius-lg);
}

.method-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-100);
  color: var(--primary-600);
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.method-content h3 {
  margin-bottom: var(--spacing-1);
}

.method-content p {
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
  margin-bottom: var(--spacing-2);
}

.method-link {
  font-weight: 600;
  color: var(--primary-600);
}

.contact-hours {
  padding: var(--spacing-6);
  background-color: var(--neutral-50);
  border-radius: var(--border-radius-lg);
}

.contact-hours h4 {
  margin-bottom: var(--spacing-4);
}

.hours-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
}

/* Formulaires */
.contact-form-container {
  background-color: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.form-header h3 {
  margin-bottom: var(--spacing-2);
}

.form-header p {
  color: var(--neutral-600);
  margin-bottom: 0;
}

.form-row {
  display: grid;
  gap: var(--spacing-4);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
  color: var(--neutral-900);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--neutral-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: #ef4444;
  display: none;
}

.form-error.show {
  display: block;
}

.checkbox-group {
  margin-bottom: var(--spacing-4);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--neutral-300);
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.checkbox-text {
  color: var(--neutral-600);
  line-height: 1.4;
}

.form-success {
  text-align: center;
  padding: var(--spacing-8);
  background-color: var(--secondary-50);
  border: 1px solid var(--secondary-200);
  border-radius: var(--border-radius-lg);
  margin-top: var(--spacing-6);
}

.success-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.success-content h4 {
  color: var(--secondary-700);
  margin-bottom: var(--spacing-2);
}

.success-content p {
  color: var(--secondary-600);
  margin-bottom: 0;
}

/* Footer */
.footer {
  background-color: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.footer-main {
  display: grid;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-16);
  }
}

.footer-brand {
  max-width: 400px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.brand-logo .logo {
  filter: brightness(0) invert(1);
}

.brand-logo .brand-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
}

.brand-description {
  color: var(--neutral-400);
  margin-bottom: var(--spacing-6);
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--neutral-800);
  color: var(--neutral-400);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--primary-600);
  color: white;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-8);
}

@media (min-width: 640px) {
  .footer-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-title {
  color: white;
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-lg);
}

.footer-list {
  list-style: none;
}

.footer-list li {
  margin-bottom: var(--spacing-2);
}

.footer-list a {
  color: var(--neutral-400);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.footer-list a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--neutral-800);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

@media (min-width: 640px) {
  .footer-legal {
    flex-direction: row;
    align-items: center;
  }
}

.legal-links {
  display: flex;
  gap: var(--spacing-6);
  flex-wrap: wrap;
}

.legal-links a {
  color: var(--neutral-400);
  font-size: var(--font-size-sm);
}

.footer-certifications {
  display: flex;
  gap: var(--spacing-4);
}

.certification {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--neutral-800);
  border-radius: var(--border-radius);
}

.cert-logo {
  width: 1.5rem;
  height: 1.5rem;
}

.certification span {
  font-size: var(--font-size-sm);
  color: var(--neutral-300);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal.show {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background-color: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--neutral-200);
}

.modal-header h3 {
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  color: var(--neutral-500);
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--neutral-100);
  color: var(--neutral-700);
}

.modal-body {
  padding: var(--spacing-6);
}

.diagnostic-intro {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
  padding: var(--spacing-6);
  background-color: var(--primary-50);
  border-radius: var(--border-radius-lg);
}

.intro-icon {
  font-size: var(--font-size-3xl);
  flex-shrink: 0;
}

.intro-content h4 {
  margin-bottom: var(--spacing-2);
  color: var(--primary-700);
}

.intro-content p {
  color: var(--primary-600);
  margin-bottom: 0;
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: var(--spacing-6);
  right: var(--spacing-6);
  z-index: 1500;
  display: none;
}

.floating-cta.show {
  display: block;
  animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.floating-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-6);
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
  color: white;
  border: none;
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
}

.floating-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Animations et transitions */
@media (prefers-reduced-motion: no-preference) {
  .btn,
  .card,
  .nav-link,
  .social-link {
    transition: all var(--transition-fast);
  }
  
  .hero-visual {
    animation: fadeInUp 1s ease-out;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Responsive Design */
@media (max-width: 1023px) {
  .nav-menu.show {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-4);
  }
  
  .nav-menu.show .nav-list {
    flex-direction: column;
    gap: var(--spacing-4);
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn-large {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
  }
  
  .results-grid {
    grid-template-columns: 1fr;
  }
  
  .results-actions {
    flex-direction: column;
  }
}

/* Optimisations performance */
.hero-image img,
.cert-logo,
.logo {
  will-change: transform;
}

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

/* Focus visible pour l'accessibilité */
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-600);
  outline-offset: 2px;
}

/* États de chargement */
.btn-loading {
  display: none;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.spinner {
  width: 1rem;
  height: 1rem;
  animation: spin 1s linear infinite;
}

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

/* Print styles */
@media print {
  .header,
  .floating-cta,
  .modal {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
}