/* Elzas Math Academy - Premium Styling */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --bg-primary: #050511;
  --bg-secondary: #0A0A1B;
  --bg-card: rgba(20, 20, 40, 0.6);
  --primary: #6366F1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --secondary: #8B5CF6;
  --accent: #F59E0B;
  --accent-glow: rgba(245, 158, 11, 0.4);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  
  /* Utilities */
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(15, 15, 30, 0.6);
  --glass-blur: blur(12px);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

/* Typography Enhancements */
.gradient-text {
  background: linear-gradient(135deg, #A5B4FC, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-text {
  color: var(--accent);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 4rem auto;
  font-size: 1.1rem;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 25px -5px var(--primary-glow);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-3px);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 1.5rem 0;
}

header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 1rem 0;
  border-bottom: var(--glass-border);
}

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

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-size: cover;
  background-position: center;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(5,5,17,0.2) 0%, var(--bg-primary) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: float 4s ease-in-out infinite;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

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

/* About Section */
.about {
  background-color: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  pointer-events: none;
}

.feature-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

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

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

.service-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent 70%);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted);
}

/* Stats/Highlight */
.highlight-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(99, 102, 241, 0.1) 100%);
  border-top: var(--glass-border);
  border-bottom: var(--glass-border);
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff, #A5B4FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
}

/* Testimonials */
.testimonials {
  background-color: var(--bg-primary);
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testi-card {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
}

.quote-icon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: rgba(245, 158, 11, 0.2);
}

.stars {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.testi-text {
  font-size: 1rem;
  font-style: italic;
  color: #E2E8F0;
  margin-bottom: 1.5rem;
}

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

.avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1.2rem;
}

.user-details h5 {
  font-size: 1.05rem;
}

.user-details span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Contact */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  background: var(--bg-secondary);
  border: var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.3);
}

.contact-info .info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  position: relative;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: rgba(15, 15, 30, 0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  color: white;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: rgba(15, 15, 30, 0.8);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
  color: var(--text-muted);
}

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

/* Footer */
footer {
  background: #03030A;
  padding: 4rem 0 2rem 0;
  border-top: var(--glass-border);
}

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

.footer-about p {
  color: var(--text-muted);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.copyright {
  text-align: center;
  color: var(--text-muted);
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.9rem;
}

/* Animations & Effects */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Modal / Popup Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 5, 17, 0.8);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: 20px;
  padding: 3rem;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  animation: modalFadeIn 0.3s ease-out forwards;
}

.modal-icon {
  font-size: 4rem;
  color: #10B981; /* Success green */
  margin-bottom: 1.5rem;
}

.modal-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

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

.modal-content .btn {
  width: 100%;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 { font-size: 3.5rem; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-container { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 250px;
    background: var(--bg-secondary);
    border-left: var(--glass-border);
    flex-direction: column;
    padding: 80px 2rem;
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .mobile-menu-btn {
    display: block;
    z-index: 1000;
  }
  
  .hero h1 { font-size: 2.5rem; }
  
  .contact-container {
    padding: 1.5rem;
    gap: 2rem;
  }
  
  .contact-form {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .footer-grid { grid-template-columns: 1fr; }
}