/* Index Page Styles - Material Design 3.0 */

/* Hero Section */
.hero {
  position: relative;
  background: var(--color-dark-surface);
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl) var(--spacing-xl);
  overflow: hidden;
  margin-top: 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right,
    rgba(50, 133, 245, 0.1),
    transparent 60%
  );
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeIn 0.5s ease-out;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-xl);
  color: var(--color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text-blue {
  background: linear-gradient(135deg,
    var(--color-google-blue),
    var(--color-medium-blue)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 var(--spacing-xs);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto var(--spacing-xxl);
  line-height: 1.6;
}

/* Stats Cards */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xxl);
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  min-width: 140px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-google-blue);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Auth Section */
.auth-section {
  background: var(--color-dark);
  padding: var(--spacing-xxl) var(--spacing-xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container {
  max-width: 420px;
  width: 100%;
  animation: slideIn 0.5s ease-out;
}

.auth-card {
  background: var(--color-dark-surface);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xxl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.auth-description {
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 14px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 14px;
  transition: var(--transition-base);
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus {
  border-color: var(--color-google-blue);
  box-shadow: var(--shadow-glow-blue);
  outline: none;
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  background: var(--color-google-blue);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-primary);
  width: 100%;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow-blue);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s ease-out;
  pointer-events: none;
}

.btn-primary:hover {
  background: rgba(50, 133, 245, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(50, 133, 245, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:active::after {
  transform: translate(-50%, -50%) scale(2);
  transition: transform 0.2s ease-out;
}

.auth-switch {
  text-align: center;
  margin-top: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.auth-switch a {
  color: var(--color-google-blue);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
}

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

/* Info Section */
.info-section {
  background: var(--color-dark-surface);
  padding: var(--spacing-xxl) var(--spacing-xl);
}

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

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-xxl);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.info-card {
  background: rgba(255, 255, 255, 0.03);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
}

.info-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

.info-card h3 {
  color: var(--color-google-blue);
  margin: 0 0 var(--spacing-md);
  font-size: 1.25rem;
}

.info-card p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin: 0;
  font-size: 14px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) var(--spacing-lg);
    min-height: 70vh;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .stat-card {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }

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

  .auth-card {
    padding: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.875rem;
  }

  .auth-card {
    padding: var(--spacing-lg);
  }

  .section-title {
    font-size: 1.5rem;
  }
}