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

:root {
    /* Dark Theme Colors */
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --tertiary-bg: #2a2a2a;
    --accent-bg: #3a3a3a;
    
    /* Text Colors */
    --primary-text: #ffffff;
    --secondary-text: #b0b0b0;
    --muted-text: #808080;
    
    /* Accent Colors */
    --accent-primary: #00d4ff;
    --accent-secondary: #0099cc;
    --accent-tertiary: #006699;
    
    /* Status Colors */
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff4444;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--accent-bg);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-logo span {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* Home Section */
.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 153, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.home-container {
    width: 100%;
    position: relative;
    z-index: 1;
}

.profile-section {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.profile-image {
    position: relative;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--border-radius-lg);
    transition: transform 0.3s ease;
    display: block;
    border: none;
}

.profile-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    border: 3px solid var(--accent-primary);
    overflow: hidden;
    width: 300px;
    height: 300px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
    background: var(--tertiary-bg);
}

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

.profile-content {
    max-width: 600px;
}

.profile-name {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-tagline {
    font-size: var(--font-size-xl);
    color: var(--secondary-text);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.profile-intro {
    font-size: var(--font-size-lg);
    color: var(--muted-text);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--primary-bg);
    border-color: var(--accent-primary);
}

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

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
    width: 100%;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-text);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--secondary-bg);
    padding: 80px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-bio {
    font-size: var(--font-size-lg);
    color: var(--secondary-text);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.education h3 {
    font-size: var(--font-size-2xl);
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.education-item {
    background: var(--tertiary-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--accent-primary);
}

.education-item h4 {
    font-size: var(--font-size-xl);
    color: var(--primary-text);
    margin-bottom: 0.5rem;
}

.degree {
    font-size: var(--font-size-lg);
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.duration {
    color: var(--muted-text);
    margin-bottom: 1.5rem;
}

.coursework h5,
.activities h5 {
    color: var(--primary-text);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.coursework ul {
    list-style: none;
    margin-bottom: 1rem;
}

.coursework li {
    color: var(--secondary-text);
    margin-bottom: 0.25rem;
    position: relative;
    padding-left: 1rem;
}

.coursework li::before {
    content: '▸';
    color: var(--accent-primary);
    position: absolute;
    left: 0;
}

.activities p {
    color: var(--secondary-text);
}

/* Skills Section */
.skills {
    background: var(--primary-bg);
    padding: 80px 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.skill-category {
    background: var(--secondary-bg);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--accent-bg);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.skill-category h3 {
    font-size: var(--font-size-xl);
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--tertiary-bg);
    color: var(--primary-text);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--accent-bg);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* Projects Section */
.projects {
    background: var(--secondary-bg);
    padding: 80px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.project-card {
    background: var(--tertiary-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--accent-bg);
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    min-height: 400px;
}

.project-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-image {
    background: var(--accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: center;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-image #project-img-nextcloud {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.project-card:hover .project-image #project-img-nextcloud {
    transform: scale(0.9);
}

.project-image #project-img-jellyfin {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.7);
    transition: transform 0.3s ease;
}

.project-card:hover .project-image #project-img-jellyfin {
    transform: scale(2.0);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    color: var(--accent-primary);
    font-size: var(--font-size-2xl);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.project-link:hover {
    transform: scale(1.2);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-text);
    margin-bottom: 0.5rem;
}

.project-year {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--accent-bg);
    color: var(--accent-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border: 1px solid var(--accent-primary);
}

/* Contact Section */
.contact {
    background: var(--primary-bg);
    padding: 80px 0;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--secondary-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--accent-bg);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.contact-item i {
    font-size: var(--font-size-2xl);
    color: var(--accent-primary);
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    color: var(--primary-text);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--secondary-text);
    margin: 0;
}

.contact-item a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-secondary);
}

/* Footer */
.footer {
    background: var(--secondary-bg);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--accent-bg);
}

.footer p {
    color: var(--muted-text);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--secondary-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .profile-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
        margin: 0 auto;
        border-radius: var(--border-radius-lg);
        border: 3px solid var(--accent-primary);
        overflow: hidden;
        box-shadow: var(--shadow-xl);
        background: var(--tertiary-bg);
    }
    
    .home {
        padding: 100px 0 80px 0;
    }
    
    .profile-name {
        font-size: var(--font-size-4xl);
    }
    
    .profile-tagline {
        font-size: var(--font-size-lg);
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .profile-name {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

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

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

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

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}