/* CSS Variables for Theme */
:root {
    --primary-color: #2b5c8f;
    --secondary-color: #1a365d;
    --accent-color: #0d9488;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --background-primary: #ffffff;
    --background-secondary: #f1f5f9;
    --background-glass: rgba(255, 255, 255, 0.1);
    --border-color: #cbd5e1;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-heavy: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --background-primary: #1a1a1a;
    --background-secondary: #2c2c2c;
    --background-glass: rgba(0, 0, 0, 0.3);
    --border-color: #404040;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    transition: all 0.3s ease;
}

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

/* Glassmorphism Utility Classes */
.glass {
    background: var(--background-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

.glass-card {
    background: var(--background-glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: var(--shadow-medium);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--background-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.theme-toggle {
    background: var(--background-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-light);
}

.telegram-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.telegram-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 78, 137, 0.8), rgba(255, 107, 53, 0.6));
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* Search Section */
.search-section {
    padding: 4rem 0;
    background: var(--background-secondary);
}

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

.search-box {
    display: flex;
    align-items: center;
    background: var(--background-primary);
    border-radius: 8px;
    padding: 10px;
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.search-icon {
    width: 24px;
    height: 24px;
    margin: 0 15px;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    padding: 15px 0;
    background: transparent;
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

.search-filters {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.filter-select {
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--background-primary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* Categories Section */
.categories {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: var(--background-primary);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

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

.category-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.category-count {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Jobs Section */
.jobs-section {
    padding: 5rem 0;
    background: var(--background-secondary);
}

.jobs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.job-card {
    background: var(--background-primary);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.job-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.job-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.job-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.job-category {
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.job-source {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.job-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.job-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.job-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.job-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.skill-tag {
    background: var(--background-secondary);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.loading-spinner {
    text-align: center;
    padding: 3rem;
    grid-column: 1 / -1;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.load-more-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-light);
}

.load-more-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.load-more-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--background-primary);
    border-radius: 10px;
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--background-secondary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    font-size: 0.9rem;
}

.social-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

.social-link.whatsapp-link {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.social-icon {
    width: 20px;
    height: 20px;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--background-primary);
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.modal-btn.primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.modal-btn.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .search-box {
        flex-direction: column;
        gap: 1rem;
        padding: 20px;
        border-radius: 20px;
    }
    
    .search-input {
        text-align: center;
    }
    
    .search-filters {
        flex-direction: column;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .jobs-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
}

/* Desktop Only Elements */
@media (max-width: 1024px) {
    .desktop-only {
        display: none;
    }
}

/* Utility Classes */
.hidden {
    display: none;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

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

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
button:focus,
input:focus,
select:focus,
.job-card:focus,
.category-card:focus,
.mobile-menu-toggle:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .modal {
        display: none;
    }
    
    .hero {
        height: auto;
        padding: 2rem 0;
    }
    
    .hero-background {
        display: none;
    }
    
    .hero-content {
        color: var(--text-primary);
    }
}



/* Empty State Styles */
.no-jobs {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: var(--background-primary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.no-jobs h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.no-jobs p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.clear-filters-btn {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-filters-btn:hover {
    background: var(--primary-color);
    color: white;
}