/* Main CSS for Hypersvuot Website
-------------------------------------------------- */

/* Custom Properties */
:root {
  /* Colors - French-inspired palette */
  --primary: 220 70% 50%; /* #2d62c3 - Blue */
  --primary-dark: 220 70% 40%; /* #1a4da5 - Darker Blue */
  --secondary: 10 75% 55%; /* #e64b35 - Red */
  --tertiary: 45 90% 50%; /* #f5bd41 - Gold */
  --text-dark: 220 30% 20%; /* #283244 - Dark blue-gray */
  --text-medium: 220 15% 40%; /* #4d5666 - Medium blue-gray */
  --text-light: 220 20% 95%; /* #f1f3f8 - Light gray-blue */
  --background-light: 0 0% 100%; /* #ffffff - White */
  --background-off: 220 30% 97%; /* #f5f7fa - Off-white with blue tint */
  --background-accent: 220 50% 95%; /* #e9eef8 - Light blue */
  --border-color: 220 25% 90%; /* #e1e5ec - Light gray with blue tint */
  --success: 145 63% 42%; /* #22ab7d - Green */
  --warning: 45 90% 50%; /* #f5bd41 - Gold */
  --error: 0 75% 55%; /* #e63535 - Red */
  
  /* Typography */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Container Width */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
}

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

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

body {
  font-family: var(--font-secondary);
  color: hsl(var(--text-dark));
  line-height: 1.6;
  background-color: hsl(var(--background-light));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Typography
-------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: hsl(var(--text-dark));
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

a {
  color: hsl(var(--primary));
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.section-subtitle {
  text-align: center;
  color: hsl(var(--text-medium));
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* Layout
-------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  padding: var(--spacing-xxl) 0;
}

/* Buttons
-------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--text-light));
}

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

.btn-secondary {
  background-color: transparent;
  color: hsl(var(--primary));
  border: 2px solid hsl(var(--primary));
}

.btn-secondary:hover {
  background-color: hsl(var(--primary));
  color: hsl(var(--text-light));
}

.btn-tertiary {
  background-color: transparent;
  color: hsl(var(--text-medium));
  text-decoration: underline;
}

.btn-tertiary:hover {
  color: hsl(var(--primary));
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Header
-------------------------------------------------- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: hsl(var(--background-light));
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md) 0;
}

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

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

.main-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: var(--spacing-lg);
}

.nav-links a {
  font-family: var(--font-primary);
  font-weight: 500;
  color: hsl(var(--text-dark));
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: hsl(var(--primary));
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: hsl(var(--text-dark));
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* Hero Section
-------------------------------------------------- */
.hero {
  padding: var(--spacing-xxl) 0;
  background-color: hsl(var(--background-off));
}

.hero .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.hero-content {
  flex: 1;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  font-size: 2.75rem;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  color: hsl(var(--text-medium));
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* Courses Section
-------------------------------------------------- */
.courses {
  background-color: hsl(var(--background-light));
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.course-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background-color: hsl(var(--background-light));
}

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

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

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-content {
  padding: var(--spacing-lg);
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  background-color: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.course-details {
  display: flex;
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-size: 0.9rem;
  color: hsl(var(--text-medium));
}

.course-details span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.courses-cta {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-xl);
}

/* About Section
-------------------------------------------------- */
.about {
  background-color: hsl(var(--background-off));
}

.about .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.about-image {
  flex: 1;
}

.about-content {
  flex: 1;
}

.about-content h2 {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.about-features {
  margin: var(--spacing-lg) 0;
}

.feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.feature-icon {
  color: hsl(var(--primary));
  flex-shrink: 0;
}

.feature h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

/* Stats Section
-------------------------------------------------- */
.stats {
  background-color: hsl(var(--primary));
  color: hsl(var(--text-light));
  padding: var(--spacing-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-primary);
}

.stat-label {
  font-size: 1rem;
}

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

.testimonial-slider {
  position: relative;
  margin: 0 auto;
  max-width: 800px;
  overflow: hidden;
}

.testimonial-item {
  display: none;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  background-color: hsl(var(--background-off));
  box-shadow: var(--shadow-md);
}

.testimonial-item.active {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.testimonial-image {
  flex-shrink: 0;
}

.testimonial-image img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid hsl(var(--primary));
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.testimonial-author h4 {
  margin-bottom: 0;
}

.testimonial-author p {
  color: hsl(var(--text-medium));
  margin-bottom: 0;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.testimonial-prev,
.testimonial-next {
  background: none;
  border: none;
  color: hsl(var(--primary));
  cursor: pointer;
  padding: var(--spacing-sm);
}

.testimonial-dots {
  display: flex;
  gap: var(--spacing-sm);
  margin: 0 var(--spacing-md);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: hsl(var(--border-color));
  cursor: pointer;
}

.dot.active {
  background-color: hsl(var(--primary));
}

/* Newsletter Section
-------------------------------------------------- */
.newsletter {
  background-color: hsl(var(--background-accent));
  padding: var(--spacing-xxl) 0;
}

.newsletter .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.newsletter-content {
  flex: 1;
}

.newsletter-image {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.newsletter-form {
  margin-top: var(--spacing-lg);
}

.form-group {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.form-group input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid hsl(var(--border-color));
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-size: 1rem;
  outline: none;
}

.form-group .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 5px;
}

/* Contact Section
-------------------------------------------------- */
.contact {
  background-color: hsl(var(--background-light));
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-icon {
  color: hsl(var(--primary));
}

.contact-item h3 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}

.social-links h3 {
  margin-bottom: var(--spacing-md);
}

.social-icons {
  display: flex;
  gap: var(--spacing-md);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: hsl(var(--background-off));
  border-radius: 50%;
  color: hsl(var(--primary));
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background-color: hsl(var(--primary));
  color: hsl(var(--text-light));
}

.contact-form {
  background-color: hsl(var(--background-off));
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.contact-form .form-group {
  flex-direction: column;
  margin-bottom: var(--spacing-md);
}

.contact-form label {
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem 1rem;
  border: 1px solid hsl(var(--border-color));
  border-radius: var(--radius-md);
  font-size: 1rem;
  width: 100%;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: hsl(var(--primary));
}

/* Footer
-------------------------------------------------- */
.main-footer {
  background-color: hsl(var(--text-dark));
  color: hsl(var(--text-light));
  padding-top: var(--spacing-xxl);
}

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

.footer-about {
  grid-column: span 1;
}

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-about p {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.footer-links h3 {
  color: hsl(var(--text-light));
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: hsl(var(--text-light) / 0.8);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: hsl(var(--text-light));
}

.footer-bottom {
  border-top: 1px solid hsl(var(--text-light) / 0.1);
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Cookie Banner
-------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: hsl(var(--background-light));
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-lg);
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content h3 {
  margin-bottom: var(--spacing-sm);
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.cookie-settings {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid hsl(var(--border-color));
}

.cookie-option {
  margin-bottom: var(--spacing-md);
}

.cookie-option p {
  font-size: 0.9rem;
  color: hsl(var(--text-medium));
  margin-bottom: var(--spacing-sm);
}

.hidden {
  display: none;
}

/* Utility Classes
-------------------------------------------------- */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Responsive Styles
-------------------------------------------------- */
@media (max-width: 1024px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.3rem; }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero .container,
  .about .container,
  .newsletter .container {
    flex-direction: column;
  }
  
  .hero-image,
  .about-image,
  .newsletter-image {
    order: -1;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-content,
  .about-content,
  .newsletter-content {
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .feature {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .testimonial-item.active {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-about {
    text-align: center;
    margin-bottom: var(--spacing-lg);
  }
  
  .footer-about .social-icons {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    right: 0;
    width: 80%;
    height: calc(100vh - 80px);
    background-color: hsl(var(--background-light));
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .nav-links li {
    margin: var(--spacing-md) 0;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-buttons {
    flex-direction: column;
  }
  
  .cookie-buttons button {
    width: 100%;
  }
  
  .form-group {
    flex-direction: column;
  }
  
  .form-group input[type="email"] {
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
  }
  
  .form-group .btn {
    border-radius: var(--radius-md);
    width: 100%;
  }
}