/* ============================================
   ISHLAYSIZMI.UZ - Modern Job Portal Styles
   Blue Gradient Theme with Bold Typography
   ============================================ */

/* ===== Root Variables ===== */
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --gradient-start: #1e40af;
    --gradient-end: #3b82f6;
    --gradient-overlay: rgba(30, 58, 138, 0.9);
    --white: #ffffff;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --card-bg: rgba(255, 255, 255, 0.95);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --border-radius: 16px;
    --border-radius-sm: 12px;
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 50%, var(--light-blue) 100%);
    padding: 2rem 0;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(96, 165, 250, 0.2) 0%, transparent 70%);
    pointer-events: none;
    will-change: transform;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    color: var(--white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out;
    will-change: transform, opacity;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--text-light);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    will-change: transform, opacity;
}

.hero-buttons {
    animation: fadeInUp 0.8s ease-out 0.4s both;
    will-change: transform, opacity;
}

.hero-buttons .btn {
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    will-change: transform;
}

.hero-buttons .btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    box-shadow: var(--shadow-md);
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    color: var(--primary-blue);
}

.hero-buttons .btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
}

.hero-buttons .btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
    opacity: 0.8;
    will-change: transform;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

/* ===== Statistics Section ===== */
.statistics-section {
    background: rgba(255, 255, 255, 0.12);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card {
    padding: 2rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    will-change: transform;
}

.stat-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.22);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 3rem;
    color: var(--white);
    opacity: 0.9;
}

.stat-number {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin: 0.5rem 0;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Regions Section ===== */
.regions-section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Region Cards */
.region-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    will-change: transform;
}

.region-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.region-icon {
    font-size: 3.5rem;
    color: var(--secondary-blue);
    margin-bottom: 1rem;
}

.region-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.region-description {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.btn-telegram {
    background: linear-gradient(135deg, #0088cc 0%, #229ED9 100%);
    color: var(--white);
    border: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    will-change: transform;
}

.btn-telegram:hover {
    background: linear-gradient(135deg, #0077b5 0%, #1e8bc3 100%);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== Categories Section ===== */
.categories-section {
    background: rgba(255, 255, 255, 0.08);
    padding: 5rem 0;
}

.category-card {
    background: rgba(255, 255, 255, 0.18);
    border-radius: var(--border-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    height: 100%;
    will-change: transform;
}

.category-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: var(--shadow-md);
}

.category-icon {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    display: block;
}

.category-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
}

/* ===== Post Job Section ===== */
.post-job-section {
    padding: 5rem 0;
}

.job-form-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.job-form .form-label {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.job-form .form-control,
.job-form .form-select {
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.job-form .form-control:focus,
.job-form .form-select:focus {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

.job-form .btn-primary {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border: none;
    font-weight: 600;
    padding: 0.875rem 2.5rem;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    will-change: transform;
}

.job-form .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
}

/* ===== Footer ===== */
.footer-section {
    background: rgba(0, 0, 0, 0.25);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 3rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.footer-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    opacity: 1;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-section .btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    will-change: transform;
}

.footer-section .btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 992px) {
    .hero-section {
        min-height: 90vh;
    }
    
    .region-card {
        padding: 2rem 1.5rem;
    }
    
    .job-form-card {
        padding: 2.5rem 2rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hero-section {
        min-height: 85vh;
        padding: 1.5rem 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .stat-card {
        padding: 1.5rem 1rem;
        margin-bottom: 1rem;
    }
    
    .stat-icon {
        font-size: 2.5rem;
    }
    
    .region-card {
        padding: 2rem 1.5rem;
    }
    
    .region-icon {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .job-form-card {
        padding: 2rem 1.5rem;
    }
    
    .category-card {
        padding: 1.5rem 1rem;
    }
    
    .category-icon {
        font-size: 2rem;
    }
}

/* Small Mobile */
@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .region-card {
        padding: 1.5rem 1rem;
    }
    
    .region-name {
        font-size: 1.5rem;
    }
    
    .job-form-card {
        padding: 1.5rem 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* ===== Utility Classes ===== */
.text-shadow {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

/* Hide scrollbar but keep functionality */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}