/* Variables */
:root {
  --color-primary: #4f46e5;
  --color-primary-light: #6366f1;
  --color-primary-dark: #4338ca;
  --color-secondary: #10b981;
  --color-secondary-light: #34d399;
  --color-secondary-dark: #059669;
  --color-dark: #1f2937;
  --color-gray: #6b7280;
  --color-light-gray: #f3f4f6;
  --color-white: #ffffff;
  --color-bg-light: #f9fafb;

  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-accent: "Montserrat", sans-serif;

  --border-radius: 8px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 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);

  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.2rem;
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 5px;
}

.section-header p {
  color: var(--color-gray);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  font-size: 1rem;
  border: none;
  outline: none;
}

.btn:hover {
  transform: translateY(-3px);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-green {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-green:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
}

.btn-light {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-light:hover {
  background-color: var(--color-light-gray);
  color: var(--color-primary-dark);
}

/* Header/Navigation */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  transition: var(--transition);
  padding: 1rem 0;
}

#header.scrolled {
  padding: 0.7rem 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

#header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-links li {
  margin-left: 0;
}

.nav-links a {
  color: var(--color-dark);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-dark);
}

.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  z-index: 999;
  visibility: hidden;
  opacity: 0;
}

.mobile-menu.active {
  height: auto;
  padding: 2rem 0;
  visibility: visible;
  opacity: 1;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mobile-menu li {
  margin: 1rem 0;
}

.mobile-menu a {
  color: var(--color-dark);
  font-size: 1.2rem;
  font-weight: 500;
}

/* Hero Section */
#hero {
  position: relative;
  padding-top: 8rem;
  background-color: var(--color-bg-light);
  overflow: hidden;
}

#hero .container {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.hero-content {
  flex: 1;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-secondary)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  flex: 1;
  position: relative;
}

.hero-image img {
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  z-index: 2;
  position: relative;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  overflow: hidden;
}

/* About Section */
#apropos {
  background-color: var(--color-white);
}

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

.about-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.about-card .icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  background-color: rgba(79, 70, 229, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card .icon i {
  font-size: 2rem;
  color: var(--color-primary);
}

.about-card h3 {
  margin-bottom: 1rem;
}

.about-card p {
  color: var(--color-gray);
}

/* Formations Section */
#formations {
  background-color: var(--color-bg-light);
}

.formations-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.formation-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.formation-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.formation-image {
  height: 200px;
  overflow: hidden;
}

.formation-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.formation-card:hover .formation-image img {
  transform: scale(1.1);
}

.formation-content {
  padding: 1.5rem;
}

.formation-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.formation-content p {
  color: var(--color-gray);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.formation-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.formation-footer .btn {
  align-self: flex-end;
}

.formation-price {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.2rem;
  white-space: nowrap;
}

.formation-details {
  display: flex;
  flex-direction: column;
  margin-top: 1rem;
}

.formation-detail {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.formation-detail i {
  color: var(--color-primary);
  margin-right: 0.5rem;
  font-size: 0.8rem;
}

.formations-toggle {
  text-align: center;
  margin-top: 2rem;
}

/* Advantages Section */
#avantages {
  background-color: var(--color-white);
}

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

.advantage {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.advantage-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: rgba(79, 70, 229, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon i {
  font-size: 1.3rem;
  color: var(--color-primary);
}

.advantage-content h3 {
  margin-bottom: 0.5rem;
}

.advantage-content p {
  color: var(--color-gray);
}

/* Testimonials Section */
#testimonials {
  background-color: var(--color-bg-light);
}

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

.testimonial {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stars {
  color: #f59e0b;
  margin-bottom: 1rem;
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  margin-bottom: 0.2rem;
  font-size: 1rem;
}

.testimonial-author p {
  margin-bottom: 0;
  font-size: 0.9rem;
  font-style: normal;
  color: var(--color-gray);
}

/* Contact Section */
#contact {
  background-color: var(--color-white);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 2rem;
  color: var(--color-gray);
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(79, 70, 229, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
}

.contact-icon i {
  font-size: 1.2rem;
  color: var(--color-primary);
}

.contact-item h3 {
  margin-bottom: 0.2rem;
  font-size: 1.1rem;
}

.contact-item p {
  margin-bottom: 0;
  color: var(--color-gray);
}

.social-media {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: var(--transition);
}

.social-icon:hover {
  transform: translateY(-5px);
}

.facebook {
  background-color: #3b5998;
}

.instagram {
  background: linear-gradient(
    45deg,
    #f09433,
    #e6683c,
    #dc2743,
    #cc2366,
    #bc1888
  );
}

.twitter {
  background-color: #1da1f2;
}

.youtube {
  background-color: #ff0000;
}

.contact-form {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.contact-form h3 {
  margin-bottom: 1.5rem;
  text-align: center;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #a0aec0;
}

/* Call To Action */
#cta {
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: var(--color-white);
  text-align: center;
  padding: 4rem 0;
}

#cta h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 2.2rem;
}

#cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  font-size: 1.1rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
#footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 4rem 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
  transition: var(--transition);
}

.footer-social a:hover {
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer-links h3 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-links ul li {
  margin-bottom: 0.8rem;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--color-white);
  padding-left: 5px;
}

.footer-contact h3 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-contact ul li {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact ul li i {
  margin-right: 1rem;
  color: var(--color-primary-light);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

#back-to-top.active {
  opacity: 1;
  visibility: visible;
}

#back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-5px);
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
  .container {
    max-width: 90%;
  }

  section {
    padding: 4rem 0;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  #hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    margin-top: 2rem;
  }

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

  .contact-info {
    text-align: center;
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
  }

  .contact-icon {
    margin: 0 auto 1rem;
  }

  .social-media {
    justify-content: center;
  }
}

@media screen and (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .mobile-menu li {
    margin: 1.5rem 0;
  }

  .mobile-menu a {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
  }

  .formations-container {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

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

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

@media screen and (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

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

  .advantage {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .advantage-icon {
    margin-bottom: 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .footer-social,
  .footer-links ul {
    justify-content: center;
  }

  .footer-contact ul li {
    justify-content: center;
  }
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animation-fadeIn {
  animation: fadeIn 0.8s ease forwards;
}

/* Back to Home Button Styles */
.btn-home {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: var(--color-white) !important;
  padding: 0.6rem 1.2rem !important;
  border-radius: 25px !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
  box-shadow: var(--shadow-sm);
}

.btn-home:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  color: var(--color-white) !important;
}

/* Bouton retour à l'accueil style apropos */
.home-icon {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #0056b3;
  color: white;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.8em;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  animation: pulse 1.5s infinite;
  transition: transform 0.3s ease-in-out, background 0.3s ease-in-out;
}
.home-icon:hover {
  background: #d9e722;
  transform: translateX(-50%) scale(1.1);
  animation: bounce 0.5s;
}