/* Custom CSS for Portfolio */

/* Language Selector */
.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

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

/* Hero Section */
.hero-section {
    padding-top: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding-bottom: 4rem;
}

.hero-content {
    color: white;
}

.hero-image {
    max-width: 300px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease;
    margin-top: 0;
}

.hero-section .col-lg-6:last-child {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 2rem;
}

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

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.text-justify {
    text-align: justify;
}

/* About Section */
.about-content {
    padding-right: 2rem;
}

.highlights {
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Cards */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Experience & Education Cards */
.experience-card, .education-card {
    margin-bottom: 2rem;
}

.experience-card .card-body, .education-card .card-body {
    padding: 2rem;
}

/* Skills */
.skill-category {
    margin-bottom: 2rem;
}

.skill-badge {
    display: inline-block;
    margin: 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Projects */
.project-card {
    height: 100%;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

/* Teaching */
.stat-card {
    padding: 2rem;
    text-align: center;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

/* Contact */
.contact-info {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.contact-item a {
    transition: all 0.3s ease;
}

.contact-item a:hover {
    transform: translateY(-2px);
}

.contact-item .bi-whatsapp {
    font-size: 1.2rem;
}

.contact-item {
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.social-links a {
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

/* Form */
.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
}

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

.navbar-nav .nav-link:hover {
    color: #667eea !important;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
    border-color: #667eea;
    color: #667eea;
}

.btn-outline-primary:hover {
    background: #667eea;
    border-color: #667eea;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: #667eea !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding-top: 60px;
    }
    
    .hero-image {
        max-width: 250px;
        margin-top: 2rem;
    }
    
    .about-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
    }
    
    .hero-description {
        font-size: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

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

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a6fd8;
}

/* Print Styles */
@media print {
    .language-selector,
    .navbar,
    .btn {
        display: none !important;
    }
    
    .hero-section {
        background: white !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}