/* ========================================
   XAVIER DE POORTER - SUNNY SMILE PASTEL THEME
   Style Pastel Optimisé - Performance & Lisibilité
   ======================================== */

:root {
  /* Palette Pastel Sunny Smile */
  --sunny-yellow: #fef3c7;
  --soft-peach: #fed7aa;
  --gentle-pink: #fce7f3;
  --calm-blue: #dbeafe;
  --mint-green: #d1fae5;
  --lavender: #e0e7ff;
  --warm-orange: #fed7aa;
  --cream-white: #fffbeb;
  
  /* Couleurs de contraste pour texte */
  --text-dark: #374151;
  --text-medium: #6b7280;
  --text-light: #9ca3af;
  --accent-coral: #f87171;
  --accent-teal: #14b8a6;
  --accent-purple: #8b5cf6;
  
  /* Gradients doux */
  --sunny-gradient: linear-gradient(135deg, var(--sunny-yellow) 0%, var(--soft-peach) 100%);
  --beach-gradient: linear-gradient(135deg, var(--calm-blue) 0%, var(--mint-green) 100%);
  --sunset-gradient: linear-gradient(135deg, var(--gentle-pink) 0%, var(--lavender) 100%);
}

/* Reset et optimisations de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--cream-white);
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========================================
   HEADER PRINCIPAL - SUNNY STYLE
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 251, 235, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--sunny-yellow);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 251, 235, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
}

.brand-accent {
  color: var(--accent-coral);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-medium);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: var(--sunny-gradient);
  color: var(--text-dark);
  transform: translateY(-2px);
}

/* ========================================
   HERO SECTION - BEACH HEADER CENTRÉ
   ======================================== */

.hero {
  min-height: 100vh;
  background: var(--beach-gradient);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 6rem 0 4rem;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-title .accent {
  background: linear-gradient(45deg, var(--accent-coral), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent-teal);
  margin-bottom: 2rem;
  letter-spacing: 0.5px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-medium);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description strong {
  color: var(--accent-teal);
  font-weight: 600;
}

/* Stats en ligne horizontale */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-coral);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* CTA buttons centrés */
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.trust-indicators {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 0.9rem;
  color: var(--text-medium);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  backdrop-filter: blur(5px);
}

.skill-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  text-decoration: none;
  color: var(--text-dark);
  margin: 0.25rem;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-link:hover {
  background: var(--sunny-gradient);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ========================================
   SECTIONS GÉNÉRALES - ESPACEMENT AMÉLIORÉ
   ======================================== */

section {
  padding: 6rem 0;
}

section:nth-child(even) {
  background: var(--cream-white);
}

section:nth-child(odd) {
  background: var(--sunset-gradient);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-medium);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========================================
   EXPERTISE SECTION - CARTES AMÉLIORÉES
   ======================================== */

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.expertise-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  backdrop-filter: blur(10px);
}

.expertise-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-coral);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.expertise-card h3 {
  font-size: 1.4rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.expertise-card p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.tech-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.tag {
  background: var(--sunny-gradient);
  color: var(--text-dark);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.card-highlight {
  background: var(--accent-coral);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
}

.expertise-cta {
  text-align: center;
  background: rgba(255, 255, 255, 0.8);
  padding: 3rem 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.expertise-cta h3 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.expertise-cta p {
  color: var(--text-medium);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* ========================================
   PRICING SECTION - CARTES AMÉLIORÉES
   ======================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  backdrop-filter: blur(10px);
}

.pricing-card.featured {
  border-color: var(--accent-coral);
  transform: scale(1.05);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.pricing-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-coral);
  margin: 1rem 0;
}

.pricing-amount span {
  font-size: 1rem;
  color: var(--text-medium);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--text-medium);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-benefit {
  background: var(--mint-green);
  padding: 1rem;
  border-radius: 10px;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: var(--text-dark);
}

/* ========================================
   FORMULAIRE DE CONTACT RAPIDE
   ======================================== */

.quick-contact-section {
  background: rgba(255, 255, 255, 0.8);
  padding: 3rem 2rem;
  border-radius: 20px;
  margin-top: 3rem;
  backdrop-filter: blur(10px);
}

.quick-contact-header {
  text-align: center;
  margin-bottom: 2rem;
}

.quick-contact-header h3 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.quick-contact-header p {
  color: var(--text-medium);
  font-size: 1.1rem;
}

.quick-contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.quick-form-message {
  margin-bottom: 1.5rem;
}

.quick-contact-form input,
.quick-contact-form textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
}

.quick-contact-form input:focus,
.quick-contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-coral);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

/* ========================================
   CONTACT SECTION AMÉLIORÉE
   ======================================== */

.contact-benefits {
  margin: 3rem 0;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 15px;
  backdrop-filter: blur(5px);
}

.benefit-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.benefit-item h4 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.benefit-item p {
  color: var(--text-medium);
  line-height: 1.5;
}

.contact-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  background: var(--sunny-gradient);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.contact-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ========================================
   BOUTONS AMÉLIORÉS
   ======================================== */

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}

.btn-large {
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
}

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

.btn-primary:hover {
  background: #ef4444;
  border-color: #ef4444;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(239, 68, 68, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-dark);
  border-color: rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: var(--sunny-gradient);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--accent-coral);
  border-color: var(--accent-coral);
}

.btn-outline:hover {
  background: var(--accent-coral);
  color: white;
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  color: white;
  border-color: #f59e0b;
}

.btn-gold:hover {
  background: linear-gradient(45deg, #f59e0b, #d97706);
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(245, 158, 11, 0.3);
}

.btn-full {
  width: 100%;
}

/* ========================================
   FORMULAIRES AMÉLIORÉS
   ======================================== */

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-coral);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

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

.form-privacy {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--text-medium);
}

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }

  .nav-menu {
    display: none;
  }

  .expertise-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    gap: 1.5rem;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
  }

  section {
    padding: 4rem 0;
  }
}

/* ========================================
   ANIMATIONS ET TRANSITIONS
   ======================================== */

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

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

/* ========================================
   AUTRES SECTIONS
   ======================================== */

.formation {
  background: var(--beach-gradient);
}

.formation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.formation-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.formation-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.formation-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.formation-card h3 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.formation-card p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.formation-benefit {
  background: var(--accent-coral);
  color: white;
  padding: 0.8rem 1rem;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  margin-top: 1rem;
}

.formation-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.formation-cta {
  text-align: center;
  margin-top: 3rem;
  padding: 3rem 2rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.formation-cta h3 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.formation-cta p {
  color: var(--text-medium);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.formation-benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.benefit-highlight {
  background: var(--mint-green);
  padding: 1rem;
  border-radius: 10px;
  font-weight: 600;
  color: var(--text-dark);
  text-align: center;
}

.reviews-section {
  background: var(--cream-white);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.review-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.review-rating {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.review-text {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-style: italic;
}

.review-author {
  color: var(--text-dark);
  font-weight: 600;
}

.footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: #9ca3af;
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #4b5563;
  color: #9ca3af;
}

/* Alternance des sections */
.hero {
  background: var(--beach-gradient);
}

.formation {
  background: var(--beach-gradient);
}

.contact {
  background: var(--sunset-gradient);
}

/* Navigation mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

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

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--cream-white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    margin: 0.5rem 0;
  }

  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-links {
    flex-direction: column;
    text-align: center;
  }
}