/* Complete Frontend CSS - All styles for the homepage */

/* Tutor CTA Section */
.tutor-cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.tutor-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    background-size: 800px 800px;
}

.tutor-cta-content {
    position: relative;
    z-index: 1;
}

.tutor-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-50);
    color: var(--primary-600);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid var(--primary-200);
}

.tutor-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--neutral-900);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.tutor-description {
    font-size: 1.125rem;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.tutor-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--neutral-700);
}

.benefit-item i {
    width: 1.5rem;
    height: 1.5rem;
    background: var(--success-100);
    color: var(--success-600);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.tutor-cta-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.tutor-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--neutral-200);
}

.tutor-stats .stat-item {
    text-align: center;
}

.tutor-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-600);
    display: block;
    margin-bottom: 0.25rem;
}

.tutor-stats .stat-label {
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 500;
}

/* Newsletter Empty State */
.newsletter-empty {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
}

.newsletter-empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.newsletter-empty h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--neutral-900);
}

.newsletter-empty p {
    color: var(--neutral-600);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Hero Particles Animation */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero-particles::before {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero-particles::after {
    bottom: 10%;
    right: 10%;
    animation-delay: -10s;
}

/* Additional responsive styles */
@media (max-width: 1024px) {
    .tutor-title {
        font-size: 2rem;
    }
    
    .tutor-cta-actions {
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .tutor-cta-section {
        padding: 4rem 0;
    }
    
    .tutor-title {
        font-size: 1.75rem;
    }
    
    .tutor-description {
        font-size: 1rem;
    }
    
    .tutor-benefits {
        margin-bottom: 1.5rem;
    }
    
    .tutor-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .newsletter-empty {
        padding: 3rem 1.5rem;
    }
    
    .newsletter-empty-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* Fix for missing Bootstrap classes */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col-lg-4,
.col-lg-8,
.col-md-6 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (min-width: 992px) {
    .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    
    .col-lg-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }
}

.align-items-center {
    align-items: center !important;
}

/* Container styles */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Additional utility classes */
.d-none {
    display: none !important;
}

.d-flex {
    display: flex !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-200);
    border-top: 2px solid var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid var(--primary-600);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}