/* CSS Variables */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-glass: rgba(15, 23, 42, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  
  --gradient-primary: linear-gradient(135deg, var(--primary), #3b82f6);
  --gradient-accent: linear-gradient(135deg, var(--accent), #fbbf24);
  
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  transition: var(--transition);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

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

/* Mobile Menu */
#menu-toggle {
  display: none;
}

/* --- Hamburger: turn into X properly --- */
.hamburger{
  display:none;
  position:relative;
  width:28px;
  height:20px;
  cursor:pointer;
  z-index:1100;              /* stays clickable above the dropdown */
}

.hamburger span{
  position:absolute;
  left:0; right:0;
  height:3px;
  background: var(--text-primary);
  border-radius:2px;
  transition: transform .3s ease, opacity .3s ease;
}

/* place the 3 bars */
.hamburger span:nth-child(1){ top:0; }
.hamburger span:nth-child(2){ top:50%; transform:translateY(-50%); }
.hamburger span:nth-child(3){ bottom:0; }

/* --- Mobile dropdown --- */
@media (max-width:768px){
  .hamburger{ display:block; }

  .nav-links{
    position:absolute;
    top:100%; left:0; right:0;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:1.5rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom:1px solid var(--border);
    padding:1rem 0;
    max-height:0;
    opacity:0;
    overflow:hidden;
    pointer-events:none;
    transition:max-height .35s ease, opacity .25s ease;
    z-index:1000; /* below hamburger */
  }

  /* open state */
  #menu-toggle:checked ~ .nav-links{
    max-height:480px;
    opacity:1;
    pointer-events:auto;
  }

  /* animate hamburger into X */
  #menu-toggle:checked + .hamburger span:nth-child(1){
    transform: translateY(9px) rotate(45deg);
  }
  #menu-toggle:checked + .hamburger span:nth-child(2){
    opacity:0;
  }
  #menu-toggle:checked + .hamburger span:nth-child(3){
    transform: translateY(-9px) rotate(-45deg);
  }
}


/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-program {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  width: 100%;
  justify-content: center;
}

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

.btn-premium {
  background: var(--gradient-accent);
  color: var(--bg-primary);
}


/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 6rem;
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-text {
  text-align: left;
}

.kicker {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

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

.floating-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.floating-card h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-list {
  list-style: none;
  space-y: 0.75rem;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.service-list i {
  color: var(--primary);
  width: 20px;
}

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

/* Services Section */
.services {
  padding: 6rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
   
}

.service-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
  color: white;
}

.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.service-link:hover {
  gap: 0.75rem;
}

/* Values Section */
.values {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.value-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

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

.value-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.value-card p {
  color: var(--text-secondary);
}

/* Clients Section */
.clients {
  padding: 6rem 0;
}

.logos-carousel {
  margin-bottom: 4rem;
  overflow: hidden;
  position: relative;
}

.logos-track {
  display: flex;
  animation: scroll 30s linear infinite;
  gap: 2rem;
}

.logo-item {
  flex-shrink: 0;
  width: 150px;
  height: 80px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-secondary);
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.testimonials-title {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2rem;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

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

.client-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.client-details h4 {
  margin-bottom: 0.25rem;
}

.client-details span {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Team Section */
.team {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

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

.team-member {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

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

.member-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary);
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member h3 {
  margin-bottom: 0.5rem;
}

.team-member p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Education Section */
.education {
  padding: 6rem 0;
}

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

.program-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  position: relative;
  transition: var(--transition);
}

.program-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.program-card.premium {
  border-color: var(--accent);
}

.premium-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.program-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: white;
}

.program-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.program-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.program-features {
  list-style: none;
  margin-bottom: 2rem;
}

.program-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.program-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--bg-secondary);
  margin: 5% auto;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.close {
  color: var(--text-muted);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}

.close:hover {
  color: var(--text-primary);
}

/* Education Form */
.education-form {
  padding: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h3 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-col p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

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

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  width: 40px;
  height: 40px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
   text-decoration: none;
}

.social-icons a:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.contact-info i {
  color: var(--primary);
  width: 20px;
}

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

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  color: var(--text-primary);
}

.newsletter-btn {
  padding: 0.75rem 1.5rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.newsletter-btn:hover {
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    font-size: 1.25rem;
  }

  #menu-toggle:checked ~ .nav-links {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  #menu-toggle:checked ~ .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  #menu-toggle:checked ~ .hamburger span:nth-child(2) {
    opacity: 0;
  }

  #menu-toggle:checked ~ .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

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

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

  .services-grid,
  .values-grid,
  .testimonials,
  .team-grid,
  .programs-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .hero {
    padding-top: 4rem;
  }

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

  .modal-content {
    width: 95%;
    margin: 2% auto;
  }

  .modal-header,
  .education-form {
    padding: 1.5rem;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}