/* Landing Page Styles */
:root {
  --primary-purple: #764ba2;
  --primary-blue: #667eea;
  --dark-bg: #1a1a2e;
  --dark-card: #16213e;
  --light-bg: #f5f7fa;
  --light-card: #ffffff;
  --text-light: #ffffff;
  --text-dark: #2d3748;
  --gray-100: #f7fafc;
  --gray-200: #edf2f7;
  --gray-300: #e2e8f0;
  --gray-400: #cbd5e0;
  --gray-600: #718096;
  --gray-700: #4a5568;
  --gray-800: #2d3748;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background 0.3s ease, color 0.3s ease;
}

body[data-theme="light"] {
  background: var(--light-bg);
  color: var(--text-dark);
}

body[data-theme="dark"] {
  background: var(--dark-bg);
  color: var(--text-light);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

body[data-theme="dark"] .navbar {
  background: rgba(26, 26, 46, 0.9);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo img {
  height: 42px;
  width: auto;
}

/* Theme-based logo visibility */
body[data-theme="light"] .logo-dark {
  display: none !important;
}

body[data-theme="light"] .logo-light {
  display: block !important;
}

body[data-theme="dark"] .logo-light {
  display: none !important;
}

body[data-theme="dark"] .logo-dark {
  display: block !important;
}

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

.nav-links a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

body[data-theme="dark"] .nav-links a {
  color: var(--text-light);
}

.nav-links a:hover {
  color: var(--primary-purple);
  border-bottom-color: var(--primary-purple);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

body[data-theme="dark"] .hamburger {
  color: var(--text-light);
}

.hamburger:hover {
  border-color: var(--primary-purple);
  color: var(--primary-purple);
  transform: scale(1.05);
}

.hamburger-menu {
  display: none;
  position: absolute;
  top: 80px;
  right: 1rem;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 220px;
  z-index: 1000;
  flex-direction: column;
  overflow: hidden;
}

body[data-theme="dark"] .hamburger-menu {
  background: #1e1e1e;
  border-color: rgba(255, 255, 255, 0.1);
}

.hamburger-menu.active {
  display: flex;
}

.hamburger-menu a,
.hamburger-menu button {
  padding: 0.85rem 1.25rem;
  text-decoration: none;
  color: var(--text-dark);
  background: transparent;
  border: none;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  font-family: inherit;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

body[data-theme="dark"] .hamburger-menu a,
body[data-theme="dark"] .hamburger-menu button {
  color: var(--text-light);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.hamburger-menu a:last-child,
.hamburger-menu button:last-child {
  border-bottom: none;
}

.hamburger-menu a:hover,
.hamburger-menu button:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-purple);
}

.hamburger-menu i {
  width: 1.2rem;
  text-align: center;
  color: var(--primary-purple);
  opacity: 0.8;
}

.desktop-only {
  display: flex;
}

.trial-countdown {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  color: white;
  display: none;
}

.trial-countdown.active {
  display: block;
}

.theme-toggle {
  background: transparent;
  border: 2px solid var(--gray-600);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gray-600);
  transition: all 0.3s ease;
  padding: 0;
}

.theme-toggle:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: scale(1.1);
}

body[data-theme="dark"] .theme-toggle {
  border-color: var(--gray-600);
  color: var(--gray-600);
}

.theme-toggle:hover {
  background: var(--primary-purple);
  color: white;
  border-color: var(--primary-purple);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(118, 75, 162, 0.3);
}

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

body[data-theme="dark"] .btn-secondary {
  color: var(--text-light);
}

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

/* Hero Section */
.hero {
  padding: 5rem 2rem;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-logo {
  width: auto;
  max-width: 90%;
  height: 200px;
  margin: 0 auto 2rem auto;
  display: block;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

body[data-theme="dark"] .hero p {
  color: var(--gray-400);
}

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

/* Features Section */
.features {
  padding: 4rem 2rem;
  background: var(--light-card);
}

body[data-theme="dark"] .features {
  background: var(--dark-card);
}

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

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

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

.feature-card {
  padding: 2rem;
  border-radius: 15px;
  background: var(--light-bg);
  transition: transform 0.3s ease;
}

body[data-theme="dark"] .feature-card {
  background: var(--dark-bg);
}

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

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

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--gray-600);
}

body[data-theme="dark"] .feature-card p {
  color: var(--gray-400);
}

/* Pricing Section */
.pricing {
  padding: 4rem 2rem;
}

.pricing-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.pricing h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.pricing-card {
  background: var(--light-card);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

body[data-theme="dark"] .pricing-card {
  background: var(--dark-card);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.price {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.price-period {
  color: var(--gray-600);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

body[data-theme="dark"] .price-period {
  color: var(--gray-400);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-300);
}

body[data-theme="dark"] .pricing-features li {
  border-bottom-color: var(--gray-700);
}

.pricing-features li:before {
  content: "✓ ";
  color: var(--primary-purple);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Auth Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--light-card);
  padding: 2rem;
  border-radius: 20px;
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

body[data-theme="dark"] .modal {
  background: var(--dark-card);
}

.modal h2 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input {
  padding: 0.75rem;
  border-radius: 10px;
  border: 2px solid var(--gray-300);
  font-size: 1rem;
  background: var(--light-bg);
  color: var(--text-dark);
}

body[data-theme="dark"] .form-group input {
  background: var(--dark-bg);
  border-color: var(--gray-700);
  color: var(--text-light);
}

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

.auth-divider {
  text-align: center;
  margin: 1rem 0;
  color: var(--gray-600);
  position: relative;
}

.auth-divider:before,
.auth-divider:after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--gray-300);
}

body[data-theme="dark"] .auth-divider:before,
body[data-theme="dark"] .auth-divider:after {
  background: var(--gray-700);
}

.auth-divider:before {
  left: 0;
}

.auth-divider:after {
  right: 0;
}

.google-signin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 10px;
  border: 2px solid var(--gray-300);
  background: white;
  color: var(--text-dark);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.google-signin:hover {
  background: var(--gray-100);
}

.auth-toggle {
  text-align: center;
  margin-top: 1rem;
  color: var(--gray-600);
}

.auth-toggle a {
  color: var(--primary-purple);
  text-decoration: none;
  font-weight: 600;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

.error-message {
  background: #fee;
  color: #c33;
  padding: 0.75rem;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.error-message.active {
  display: block;
}

/* Footer */
.footer {
  background: var(--light-card);
  border-top: 1px solid var(--gray-300);
  padding: 3rem 2rem 1.5rem;
  margin-top: 4rem;
}

body[data-theme="dark"] .footer {
  background: var(--dark-card);
  border-top-color: var(--gray-700);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

body[data-theme="dark"] .footer-col h4 {
  color: var(--text-light);
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

body[data-theme="dark"] .footer-desc {
  color: var(--gray-400);
}

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

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

.footer-links a {
  color: var(--gray-600);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

body[data-theme="dark"] .footer-links a {
  color: var(--gray-400);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--gray-300);
  text-align: center;
}

body[data-theme="dark"] .footer-bottom {
  border-top-color: var(--gray-700);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--gray-600);
}

body[data-theme="dark"] .footer-bottom p {
  color: var(--gray-400);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero-logo {
    width: auto;
    height: 150px;
    max-width: 95%;
  }
  
  .features h2,
  .pricing h2 {
    font-size: 2rem;
  }
  
  .price {
    font-size: 3rem;
  }
  
  .nav-actions {
    flex-wrap: wrap;
  }
}

/* Custom Notifications */
.custom-notification{position:fixed;top:20px;right:20px;background:var(--light-card);border:1px solid var(--gray-300);border-radius:10px;padding:.75rem 1rem;display:flex;align-items:center;gap:.5rem;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:10000;transform:translateX(400px);opacity:0;transition:all 0.3s ease;min-width:250px;max-width:400px}
body[data-theme="dark"] .custom-notification{background:var(--dark-card);border-color:var(--gray-700)}
.custom-notification.show{transform:translateX(0);opacity:1}
.custom-notification i{font-size:1.2rem;flex-shrink:0}
.custom-notification.success{border-color:var(--success);color:var(--success)}
.custom-notification.error{border-color:var(--danger);color:var(--danger)}
.custom-notification.info{border-color:var(--accent);color:var(--accent)}
.custom-notification span{color:var(--text-dark);font-size:.85rem}
body[data-theme="dark"] .custom-notification span{color:var(--text-light)}

/* Responsive Mobile */
@media (max-width: 768px) {
  .desktop-only { display: none !important; }
  .hamburger { display: flex; }
  .nav-links { display: none; }
  .nav-container { padding: 0 1rem; }
}