:root {
  /* Primary Color Palette */
  --primary-color-1: #6864cb; /* Purple - Main brand color */
  --primary-color-2: #ff7e5f; /* Coral - Accent color */
  --primary-color-3: #36d6b0; /* Teal - Success/growth color */
  --primary-color-4: #ffcb77; /* Amber - Highlight color */
  --primary-color-5: #5b6f97; /* Slate Blue - Traditional learning */
  
  /* Light & Dark shades */
  --primary-color-1-light: #8683db;
  --primary-color-1-dark: #4a47a9;
  --primary-color-2-light: #ff9a82;
  --primary-color-2-dark: #e65c3f;
  --primary-color-3-light: #5de7c5;
  --primary-color-3-dark: #29b593;
  --primary-color-4-light: #ffd99a;
  --primary-color-4-dark: #eab55a;
  --primary-color-5-light: #7588b1;
  --primary-color-5-dark: #485979;
  
  /* Neutral Colors */
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  
  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.5;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 5rem;
  
  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  --border-width: 1px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 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);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

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

body {
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  color: var(--neutral-800);
  background-color: var(--neutral-50);
}

a {
  text-decoration: none;
  color: var(--primary-color-1);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-color-1-dark);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--neutral-900);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  flex: 1 0 0%;
  padding: 0 15px;
}

/* Section Styles */
section {
  padding: var(--spacing-3xl) 0;
}

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

.section-subtitle {
  text-align: center;
  color: var(--primary-color-1);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

/* Header Styles */
header {
  background-color: var(--neutral-50);
  box-shadow: var(--shadow-sm);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color-1);
}

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

.nav-item {
  margin-left: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color-1);
  transition: width var(--transition-normal);
}

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

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color-1-light) 0%, var(--primary-color-1) 100%);
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero-title-1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: white;
}

.hero-subtitle-1 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.9);
}

.hero-desc-1 {
  margin-bottom: var(--spacing-xl);
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* About Section */
.about {
  position: relative;
}

.about-feature {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background-color: white;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-normal);
}

.about-feature:hover {
  transform: translateY(-5px);
}

.about-feature-icon {
  color: var(--primary-color-1);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.about-feature-name {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

/* Services Section */
.services {
  background-color: var(--neutral-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

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

.service-card:hover {
  transform: translateY(-5px);
}

.service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.service-name {
  color: var(--primary-color-1);
  margin-bottom: var(--spacing-sm);
}

.service-price {
  font-weight: 700;
  color: var(--primary-color-2);
  margin: var(--spacing-md) 0;
}

.service-features {
  list-style: none;
}

.service-feature-item {
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
}

.service-feature-item::before {
  content: '✓';
  color: var(--primary-color-3);
  margin-right: var(--spacing-sm);
}

/* Features Section */
.features {
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background-color: rgba(var(--primary-color-3-light), 0.1);
  border-radius: 50%;
  z-index: -1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color-1);
  margin-bottom: var(--spacing-md);
}

/* Price Plan Section */
.priceplan {
  background-color: var(--neutral-100);
}

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

.pricing-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  text-align: center;
  padding: var(--spacing-xl);
}

.pricing-card:hover {
  transform: translateY(-5px);
}

.pricing-card-popular {
  position: relative;
  border: 2px solid var(--primary-color-1);
}

.pricing-card-popular::before {
  content: 'Popular';
  position: absolute;
  top: 0;
  right: var(--spacing-lg);
  background-color: var(--primary-color-1);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
}

.pricing-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color-1);
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-feature-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pricing-feature-item::before {
  content: '✓';
  color: var(--primary-color-3);
  margin-right: var(--spacing-sm);
}

/* Team Section */
.team {
  position: relative;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.team-card {
  text-align: center;
  background-color: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.team-card:hover {
  transform: translateY(-5px);
}

.team-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

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

.team-name {
  margin-bottom: var(--spacing-xs);
}

.team-role {
  color: var(--primary-color-1);
  font-style: italic;
}

/* Reviews Section */
.reviews {
  background-color: var(--neutral-100);
}

.reviews-slider {
  overflow: hidden;
  position: relative;
}

.review-item {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.review-item::before {
  content: '"';
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  font-size: 4rem;
  color: var(--primary-color-1-light);
  opacity: 0.2;
  font-family: serif;
  line-height: 1;
}

.review-text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

.review-author {
  font-weight: 700;
  color: var(--primary-color-1);
}

/* Core Info Section */
.coreinfo {
  position: relative;
}

.coreinfo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.coreinfo-item {
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.coreinfo-item:hover {
  transform: translateY(-5px);
}

.coreinfo-icon {
  font-size: 2rem;
  color: var(--primary-color-1);
  margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact {
  background-color: var(--neutral-100);
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--neutral-300);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color-1);
}

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

.form-check-input {
  margin-right: var(--spacing-sm);
  margin-top: 0.25rem;
}

.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--neutral-300);
  border-radius: var(--border-radius-sm);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23333' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
}

.btn-submit {
  display: inline-block;
  background-color: var(--primary-color-1);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.btn-submit:hover {
  background-color: var(--primary-color-1-dark);
}

/* Blog Section */
.blog {
  position: relative;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

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

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.blog-title {
  margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
  margin-bottom: var(--spacing-md);
  color: var(--neutral-600);
}

.blog-link {
  font-weight: 500;
  display: inline-block;
}

/* FAQ Section */
.faq {
  background-color: var(--neutral-100);
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  background-color: white;
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-color-1);
}

.accordion-item.active .accordion-header::after {
  content: '-';
}

.accordion-body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion-item.active .accordion-body {
  padding: var(--spacing-lg);
  max-height: 500px;
}

.accordion-content {
  color: var(--neutral-600);
}

/* Gallery Section */
.gallery {
  padding: var(--spacing-3xl) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-sm);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

/* Footer Styles */
footer {
  background-color: var(--neutral-800);
  color: white;
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-logo {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-desc {
  color: var(--neutral-400);
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color-1);
}

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

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

.footer-link a {
  color: var(--neutral-400);
  transition: color var(--transition-fast);
}

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

.contact-info {
  margin-bottom: var(--spacing-lg);
}

.contact-info p {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
}

.contact-icon {
  margin-right: var(--spacing-md);
  color: var(--primary-color-1);
  font-size: 1.2rem;
}

.footer-bottom {
  border-top: 1px solid var(--neutral-700);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
}

#site-copyright {
  color: var(--neutral-500);
  font-size: 0.875rem;
}

/* Space Page */
#space {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Breadcrumb */
.breadcrumb {
  padding: var(--spacing-md) 0;
  background-color: var(--neutral-100);
}

/* Responsive Styles */
@media (max-width: 991px) {
  html {
    font-size: 15px;
  }
  
  .hero-title-1 {
    font-size: 2.8rem;
  }
  
  .hero-subtitle-1 {
    font-size: 1.3rem;
  }
}

@media (max-width: 767px) {
  html {
    font-size: 14px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    flex-direction: column;
  }
  
  .nav-menu.show {
    display: flex;
  }
  
  .nav-item {
    margin: var(--spacing-sm) 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-title-1 {
    font-size: 2.5rem;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .pricing-grid, 
  .team-grid, 
  .services-grid,
  .features-grid,
  .blog-grid,
  .coreinfo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575px) {
  html {
    font-size: 13px;
  }
  
  .hero-title-1 {
    font-size: 2.2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}

/* Animation Classes */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation: fadeIn 1s ease-in-out;
  }
  
  .slide-up {
    animation: slideUp 0.8s ease-in-out;
  }
  
  .slide-right {
    animation: slideRight 0.8s ease-in-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  @keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
  
  @keyframes slideRight {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in, .slide-up, .slide-right {
    animation: none;
  }
}