/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden {
    display: none !important;
}

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 28px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #2563eb;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    text-align: center;
}

.hero-image i {
    font-size: 200px;
    opacity: 0.8;
}

/* Find Tutors Section */
.find-tutors {
    padding: 80px 0;
}

.find-tutors h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e293b;
}

.search-filters {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    display: flex;
    gap: 20px;
    align-items: end;
    margin-bottom: 40px;
}

.filter-group {
    flex: 1;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #374151;
}

.form-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-select:focus {
    outline: none;
    border-color: #2563eb;
}

/* Tutor Results */
.tutor-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.tutor-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.tutor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.tutor-card.featured {
    border: 2px solid #fbbf24;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #fbbf24;
    color: #92400e;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.tutor-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.tutor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #2563eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin-right: 15px;
}

.tutor-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: #1e293b;
}

.tutor-rating {
    color: #fbbf24;
}

.tutor-details {
    margin-bottom: 15px;
}

.tutor-details p {
    margin-bottom: 8px;
    color: #64748b;
}

.tutor-subjects {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.subject-tag {
    background: #e0e7ff;
    color: #3730a3;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.tutor-fee {
    font-size: 18px;
    font-weight: 700;
    color: #059669;
    margin-bottom: 15px;
}

/* Become Tutor Section */
.become-tutor {
    padding: 80px 0;
    background: white;
}

.become-tutor h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #1e293b;
}

.tutor-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.tutor-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-group input {
    width: auto;
    margin-right: 8px;
}

/* Featured Profile Section */
.featured-profile-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
    padding: 25px;
    border-radius: 12px;
    margin: 30px 0;
}

.featured-info h3 {
    color: #92400e;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.featured-info h3 i {
    margin-right: 10px;
}

.featured-info p {
    color: #92400e;
    margin-bottom: 15px;
}

.featured-checkbox {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #92400e;
    cursor: pointer;
}

.featured-checkbox input {
    width: auto;
    margin-right: 10px;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #64748b;
}

.close:hover {
    color: #1e293b;
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #1e293b;
}

.auth-form p {
    text-align: center;
    margin-top: 20px;
}

.auth-form a {
    color: #2563eb;
    text-decoration: none;
}

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

/* Payment Modal */
.payment-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #1e293b;
}

.payment-info {
    background: #f0f9ff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.payment-info ul {
    margin-left: 20px;
    margin-top: 10px;
}

.payment-methods h3 {
    margin-bottom: 20px;
    color: #1e293b;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.payment-option {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.payment-option:hover {
    border-color: #2563eb;
    background: #f0f9ff;
}

.payment-option input {
    margin-right: 15px;
}

.payment-option i {
    margin-right: 10px;
    font-size: 20px;
    color: #2563eb;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-image i {
        font-size: 120px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .search-filters {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .tutor-results {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .find-tutors,
    .become-tutor {
        padding: 60px 0;
    }
    
    .tutor-form {
        padding: 25px;
    }
    
    .modal-content {
        padding: 25px;
    }
}