/* Custom Theme Styles */

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

/* Preloader Styles */
#szn-preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    overflow: hidden;
    background: #fff;
}

#szn-preloader:before {
    content: "";
    position: fixed;
    top: calc(50% - 30px);
    left: calc(50% - 30px);
    border: 6px solid var(--accent-color, #1890ff);
    border-top-color: #fff;
    border-bottom-color: #fff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    -webkit-animation: animate-preloader 1s linear infinite;
    animation: animate-preloader 1s linear infinite;
}

@-webkit-keyframes animate-preloader {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes animate-preloader {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-4 {
    font-size: 3.5rem;
    font-weight: 700;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-color) !important;
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-down {
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

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

/* About Section */
.about-image img {
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-info {
    margin-top: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.info-item i {
    font-size: 1.2rem;
    width: 30px;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(var(--accent-color-rgb), 0.8);
    transform: translateY(-3px);
    color: white;
}

/* Resume Section */
.resume-nav .nav-pills .nav-link {
    border-radius: 10px;
    margin-bottom: 0.5rem;
    padding: 1rem 1.5rem;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    scroll-behavior: auto;
}

.resume-nav .nav-pills .nav-link.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.resume-nav .nav-pills .nav-link:not(.active) {
    background: transparent;
    border-color: #e9ecef;
    color: #6c757d;
}

.resume-nav .nav-pills .nav-link:not(.active):hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.1);
}

/* Tab Content */
.tab-content {
    min-height: 400px;
}

.tab-pane {
    display: none;
}

.tab-pane.show,
.tab-pane.active {
    display: block;
}

/* Prevent scroll behavior for tab links only */
.resume-nav a[href^="#"] {
    scroll-behavior: auto;
}

.resume-item {
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.resume-item:hover {
    transform: translateY(-5px);
}

.resume-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.resume-item-header h4 {
    margin-bottom: 0;
    color: var(--accent-color);
}

/* Skills */
.skill-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-3px);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: #333;
}

.skill-percentage {
    font-weight: 600;
    color: var(--accent-color);
}

.progress {
    height: 8px;
    border-radius: 4px;
    background: #e9ecef;
}

.progress-bar {
    background: var(--accent-color);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Services */
.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), rgba(var(--accent-color-rgb), 0.8));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h4 {
    color: #333;
    margin-bottom: 1rem;
}

.service-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--accent-color-rgb), 0.25);
}

/* Buttons */
.btn {
    border-radius: 10px;
    padding: 0.75rem 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: rgba(var(--accent-color-rgb), 0.8);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(var(--accent-color-rgb), 0.4);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
}

/* Utility Classes */
.bg-light {
    background-color: #f8f9fa !important;
}

.shadow {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.rounded-3 {
    border-radius: 0.5rem !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    .resume-nav {
        margin-bottom: 2rem;
    }
    
    .resume-item-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .resume-item-header .badge {
        margin-top: 0.5rem;
    }
}

@media (max-width: 576px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--accent-color-rgb), 0.8);
}