html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  font-family: 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f8f9fa;
}

/* Custom Navbar Styles */
.navbar-custom {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.navbar-custom .navbar-brand {
    font-weight: 700;
    color: #4f46e5;
}
.navbar-custom .nav-link {
    font-weight: 500;
    color: #374151;
    transition: color 0.3s ease;
}
.navbar-custom .nav-link:hover {
    color: #4f46e5;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    color: white;
    padding: 80px 0;
    border-radius: 12px;
    margin-top: 20px;
    margin-bottom: 40px;
    text-align: center;
}
.hero-title {
    font-weight: 800;
    margin-bottom: 20px;
    font-size: 2.5rem;
}
.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}
.feature-icon {
    font-size: 2.5rem;
    color: #4f46e5;
    margin-bottom: 20px;
}

/* Tutor Grid */
.tutor-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}
.tutor-card:hover {
    transform: translateY(-5px);
}
.tutor-img-wrapper {
    height: 200px;
    background-color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tutor-img-wrapper i {
    font-size: 4rem;
    color: #9ca3af;
}

/* Sticky Footer */
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  white-space: nowrap;
  line-height: 60px;
  background-color: #ffffff;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}