:root {
  --color-primary: #3E6D2C;
  --color-primary-dark: #014b20;
  --color-secondary: #1d4292;
  --color-secondary-dark: #061b49;
  --color-bg: #f7f4e9;
  --color-bg-green: #dbeed5;
  --color-bg-alt: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #52606d;
  --color-border: #e4e7eb;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* Navigation */
nav {
  background: var(--color-bg-alt);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  width: auto;
  margin-right: 0.5rem;
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--color-primary);
  color: white !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* Hero Section */
.hero {
  padding: 6rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

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

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Page Header */
.page-header {
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Sections */
.section {
  padding: 5rem 2rem;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--color-bg-green);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.section-alt .feature-card {
  background: var(--color-bg-alt);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-secondary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Learning Path */
.path-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.path-step {
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.path-step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.path-step p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.learning-path {
  margin-top: 2rem;
}

/* Curriculum */
.curriculum-list {
  max-width: 800px;
  margin: 0 auto;
}

.curriculum-item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.curriculum-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s;
}

.curriculum-header:hover {
  background: rgba(0,0,0,0.02);
}

.curriculum-header h3 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.curriculum-header .module-number {
  background: var(--color-primary);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

.curriculum-content {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

.curriculum-content ul {
  list-style: none;
  margin-top: 1rem;
}

.curriculum-content li {
  padding: 0.5rem 0;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.curriculum-content li::before {
  content: "✓";
  color: var(--color-secondary);
  font-weight: bold;
}

/* About Content */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-image {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 16px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-card {
  text-align: center;
  padding: 2rem;
  background: var(--color-bg-alt);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.team-avatar {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
}

.team-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.team-card .role {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.team-card p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Contact Form */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

.contact-details {
  list-style: none;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.contact-details .icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.contact-form {
  background: var(--color-bg-alt);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* CTA Section */
.cta {
  margin-top: 3rem;
  padding: 5rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta p {
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta .btn:hover {
  background: var(--color-bg);
}

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 450px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  min-width: 200px;
  padding: 0.875rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
}

/* Footer */
footer {
  background: var(--color-text);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.footer-brand p {
  color: rgba(255,255,255,0.7);
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  .nav-links.active {
    display: flex;
  }

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

  .page-header h1 {
    font-size: 2rem;
  }

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

  .about-image {
    order: -1;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

/* ============================================
   Notification System
   ============================================ */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  max-width: 400px;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: var(--color-text);
  color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1000;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.notification.show {
  transform: translateX(0);
}

.notification-success {
  background: var(--color-secondary);
}

.notification-error {
  background: #ef4444;
}

.notification-message {
  flex: 1;
  font-size: 0.95rem;
}

.notification-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  line-height: 1;
}

.notification-close:hover {
  opacity: 1;
}

/* ============================================
   FAQ/Curriculum Accordion
   ============================================ */
.curriculum-item .curriculum-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
  border-top: none;
}

.curriculum-item.open .curriculum-content {
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

.curriculum-header {
  cursor: pointer;
  user-select: none;
}

.curriculum-header .toggle-icon {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
}

.curriculum-item.open .curriculum-header .toggle-icon {
  transform: rotate(180deg);
}

/* ============================================
   Scroll Animations
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations for grids */
.features-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.features-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.features-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.features-grid .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.features-grid .animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.features-grid .animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

.path-steps .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.path-steps .animate-on-scroll:nth-child(2) { transition-delay: 0.15s; }
.path-steps .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.path-steps .animate-on-scroll:nth-child(4) { transition-delay: 0.45s; }

.team-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.team-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.team-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }

/* ============================================
   Form States
   ============================================ */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* Loading spinner for buttons */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Mobile Notification Positioning
   ============================================ */
@media (max-width: 480px) {
  .notification {
    left: 10px;
    right: 10px;
    max-width: none;
  }
}