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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-secondary:hover {
  background: #667eea;
  color: white;
}

.btn-outline {
  background: transparent;
  color: #333;
  border: 1px solid #e1e5e9;
}

.btn-outline:hover {
  background: #f8f9fa;
  border-color: #667eea;
  color: #667eea;
}

/* Header */
.header {
  background: white;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.navbar {
  padding: 1rem 0;
}

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

.navbar-brand .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #667eea;
}

.navbar-brand .logo i {
  font-size: 1.8rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: #333;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #667eea;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: #667eea;
  border-radius: 1px;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #2d3748;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #4a5568;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: #667eea;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: #718096;
  font-weight: 500;
}

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

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-graphic {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
  animation: float 6s ease-in-out infinite;
}

.hero-graphic i {
  font-size: 8rem;
  color: white;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Section Styles */
section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #2d3748;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #718096;
  max-width: 600px;
  margin: 0 auto;
}

/* Featured Programs */
.featured-programs {
  background: #f8f9fa;
}

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

.program-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.program-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.program-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.program-logo {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.program-logo i {
  color: white;
  font-size: 1.5rem;
}

.program-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: #2d3748;
}

.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stars {
  color: #f6ad55;
  font-size: 1rem;
}

.rating-text {
  color: #718096;
  font-size: 0.9rem;
}

.program-description {
  color: #4a5568;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.program-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  background: #edf2f7;
  color: #4a5568;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.program-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.program-duration {
  color: #718096;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Latest Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.review-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.reviewer-avatar {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.reviewer-details h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
  color: #2d3748;
}

.reviewer-role {
  color: #718096;
  font-size: 0.85rem;
}

.review-rating .stars {
  color: #f6ad55;
  font-size: 1rem;
}

.review-text {
  color: #4a5568;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-style: italic;
}

.review-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #718096;
  font-size: 0.85rem;
}

.review-program {
  background: #edf2f7;
  color: #4a5568;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-weight: 500;
}

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

/* Search Section */
.search-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.search-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.search-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.search-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.search-form {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.search-input {
  flex: 1;
  position: relative;
}

.search-input i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #718096;
}

.search-input input {
  width: 100%;
  padding: 12px 12px 12px 3rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  background: white;
  color: #333;
}

.search-input input::placeholder {
  color: #a0aec0;
}

.search-input input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.popular-searches {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.popular-searches .label {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.search-tag {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.search-tag:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Footer */
.footer {
  background: #2d3748;
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #a0aec0;
  line-height: 1.6;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: white;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #a0aec0;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #667eea;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #4a5568;
  color: #a0aec0;
}

/* Mobile Navigation Styles */
.navbar-menu {
  transition: all 0.3s ease;
}

.navbar-menu.active {
  display: block !important;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  z-index: 999;
}

.navbar-menu.active .navbar-nav {
  flex-direction: column;
  padding: 1rem 0;
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }

  .navbar-menu.active {
    display: block !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
  }

  .navbar-menu.active .navbar-nav {
    flex-direction: column;
    padding: 1rem 0;
  }

  .navbar-toggle {
    display: flex;
  }

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

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

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

  .hero-graphic {
    width: 200px;
    height: 200px;
  }

  .hero-graphic i {
    font-size: 5rem;
  }

  .programs-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .search-form {
    flex-direction: column;
  }

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

  .popular-searches {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .hero-stats {
    gap: 1rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .program-card,
  .review-card {
    padding: 1.5rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

/* Form Error Styles */
input.error,
textarea.error {
  border-color: #e53e3e !important;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1) !important;
}

.field-error {
  color: #e53e3e;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: block;
}

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

.slide-up {
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}