:root {
  /* Colors */
  --color-primary: #0F172A;
  /* Deep navy background */
  --color-secondary: #1E293B;
  /* Secondary dark surface */
  --color-accent: #38BDF8;
  /* Neon blue accent */
  --color-text: #F8FAFC;
  /* Soft white text */
  --color-text-secondary: #64748B;
  /* Muted gray-blue */

  /* Typography */
  --font-primary: 'Space Grotesk', sans-serif;
  --font-secondary: 'Outfit', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  margin-bottom: var(--space-md);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

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

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

a:hover {
  color: var(--color-text);
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

/* Header styles */
.header {
  background-color: var(--color-primary);
  position: relative;
  padding: var(--space-md) 0;
  transform-origin: top;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

.logo {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo:hover {
  color: var(--color-accent);
}

/* Navigation */

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

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

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

.nav-link:hover:after {
  width: 100%;
}

/* Button styles */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-accent);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  background-color: var(--color-text);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--space-md) var(--space-lg);
}

/* Hero section */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem;
  background: linear-gradient(to bottom right, var(--color-secondary), var(--color-primary));
}

.hero h1 {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero button {
  background: var(--color-accent);
  color: var(--color-primary);
  border: none;
  padding: 0.8rem 1.6rem;
  border-radius: 2rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.hero button:hover {
  background: #0EA5E9;
}

/* Features section */
.features {
  background-color: var(--color-secondary);
  padding: var(--space-xl) 0;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.feature-title {
  margin-bottom: var(--space-sm);
}

/* Courses section */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.course-card {
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.course-image {
  height: 200px;
  background-color: var(--color-text-secondary);
  position: relative;
  overflow: hidden;
}

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

.course-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.course-tag {
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  background-color: rgba(56, 189, 248, 0.2);
  color: var(--color-accent);
  border-radius: var(--radius-full);
}

.course-title {
  margin-bottom: var(--space-sm);
}

.course-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: var(--space-md);
}

/* Testimonials section */
.testimonials {
  background-color: var(--color-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
}

.testimonial-content {
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-text-secondary);
}

.author-name {
  font-weight: 600;
}

.author-title {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Contact form */
.contact {
  padding: var(--space-xl) 0;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

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

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

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
}

.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.checkbox-group input {
  width: auto;
  margin-top: 5px;
}

/* Footer */
.footer {
  background-color: var(--color-secondary);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.footer-links h4 {
  margin-bottom: var(--space-md);
}

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

.footer-link-list li {
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Privacy policy popup */
.privacy-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-secondary);
  padding: var(--space-md);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
  display: block;
}

.privacy-popup.show {
  transform: translateY(0);
}

.privacy-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.privacy-text {
  flex: 1;
}

.privacy-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Additional Cookie Policy Page Styles */
.policy-content {
  background-color: rgba(30, 41, 59, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  margin-top: var(--space-lg);
}

.policy-content h2 {
  color: var(--color-accent);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-content h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

.policy-content p,
.policy-content ul {
  margin-bottom: var(--space-md);
}

.policy-content ul {
  margin-left: var(--space-lg);
  list-style-type: disc;
}

.policy-content ul li {
  margin-bottom: var(--space-xs);
}

.policy-hero {
  background-color: var(--color-secondary);
  padding: var(--space-xl) 0;
}

.cookie-table-container {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-md) 0 var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.cookie-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  /* Ensure table has minimum width */
}

.cookie-table th,
.cookie-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-table th {
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--color-accent);
  font-weight: 600;
}

.cookie-table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

.cookie-table tr:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.last-updated {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-top: var(--space-lg);
  text-align: right;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-fadeIn {
  animation: fadeIn var(--transition-normal);
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-slideUp {
  animation: slideUp var(--transition-normal);
}

/* Media Queries */
@media (max-width: 992px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

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

  .privacy-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .privacy-actions {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 768px) {

  .hero-btns {
    flex-direction: column;
  }

  .features-grid,
  .courses-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .policy-content {
    padding: var(--space-lg);
  }

  .cookie-table th,
  .cookie-table td {
    padding: var(--space-sm);
    font-size: 0.9rem;
  }

  .cookie-table-container {
    margin: var(--space-sm) 0 var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    width: 95%;
    padding: var(--space-sm);
  }

  .hero {
    min-height: 60vh;
    padding: 4rem 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .policy-content {
    padding: var(--space-md);
  }

  .cookie-table th,
  .cookie-table td {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.85rem;
  }

  .privacy-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .privacy-actions {
    width: 100%;
    justify-content: space-between;
  }
}

/* Mobile Menu Styles */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-secondary);
    z-index: 1000;
    transition: right 0.3s ease;
    padding: 5rem 1.5rem 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-link:after {
    display: none;
  }

  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
  }

  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
}