/* ============================================
   GLOBAL STYLES & CSS VARIABLES
   ============================================ */

:root {
    /* DARK THEME (Default) */
    --bg-primary: #0f172a;
    --bg-primary-rgb: 15, 23, 42;
    --bg-secondary: #1e293b;
    --bg-secondary-rgb: 30, 41, 59;
    --bg-tertiary: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --accent-primary: #3b82f6;
    --accent-primary-rgb: 59, 130, 246;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --border-color: #475569;
    --border-color-rgb: 71, 85, 105;
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-secondary: linear-gradient(135deg, #f59e0b, #ef4444);
    
    --transition: all 0.3s ease;
    --border-radius: 10px;
    --box-shadow: 0 10px 30px var(--shadow-color);
    --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.4);
}

body.light-theme {
    /* LIGHT THEME */
    --bg-primary: #ffffff;
    --bg-primary-rgb: 255, 255, 255;
    --bg-secondary: #f8fafc;
    --bg-secondary-rgb: 248, 250, 252;
    --bg-tertiary: #e2e8f0;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --accent-primary: #2563eb;
    --accent-primary-rgb: 37, 99, 235;
    --accent-secondary: #7c3aed;
    --accent-success: #059669;
    --accent-warning: #d97706;
    --accent-danger: #dc2626;
    
    --border-color: #cbd5e1;
    --border-color-rgb: 203, 213, 225;
    --shadow-color: rgba(0, 0, 0, 0.08);
    
    --gradient-primary: linear-gradient(135deg, #2563eb, #7c3aed);
    --gradient-secondary: linear-gradient(135deg, #d97706, #dc2626);
    
    --box-shadow: 0 8px 25px var(--shadow-color);
    --box-shadow-hover: 0 12px 35px rgba(0, 0, 0, 0.15);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

.section {
    padding: 100px 0;
}

.dark-section {
        background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

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

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(var(--bg-primary-rgb), 0.7);
    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

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

.nav-links a.active {
    color: var(--accent-primary);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

.fork-btn {
    background: var(--gradient-primary);
    color: white !important;
    padding: 8px 16px !important;
    border-radius: var(--border-radius);
    margin-left: 10px;
    transition: var(--transition);
}

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

.theme-toggle {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 15px;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    transform: rotate(30deg);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 45px;
    height: 45px;
    border-radius: 5px;
    transition: var(--transition);
    align-items: center;
    justify-content: center;
    margin-left: 15px;
}

.menu-toggle:hover {
    background: var(--bg-tertiary);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    padding: 150px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

.greeting {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-family: 'Fira Code', monospace;
}

.name {
    font-size: 3.5rem;
    margin-bottom: 10px;
    line-height: 1.2;
}

.title {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 400;
}

.description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--accent-primary);
    transform: translateY(-5px);
}

.hero-image {
    animation: fadeInRight 1s ease;
}

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--bg-tertiary);
    position: relative;
    z-index: 2;
}

.image-frame {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 440px;
    height: 440px;
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    z-index: 1;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.skill-categories {
    margin-top: 30px;
}

.category {
    margin-bottom: 30px;
}

.category h4 {
    color: var(--accent-primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.stat-card p {
    color: var(--text-muted);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */

.project-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-primary);
}

.category-title i {
    color: var(--accent-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--accent-primary);
}

.project-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.project-header h3 {
    font-size: 1.3rem;
    margin: 0;
    line-height: 1.3;
}

.project-badge {
    background: var(--gradient-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    margin-left: 10px;
}

.project-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tech span {
    background: var(--bg-tertiary);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.project-tech span:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--accent-primary);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 16px;
    background: rgba(var(--accent-primary-rgb), 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.project-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   RESUME SECTION
   ============================================ */

.resume-minimal {
    max-width: 800px;
    margin: 0 auto;
}

.resume-summary {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
    border-left: 5px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.resume-summary::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    opacity: 0.1;
    border-radius: 0 0 0 100%;
}

.summary-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.summary-icon i {
    font-size: 1.8rem;
    color: white;
}

.summary-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.summary-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 1.05rem;
}

.resume-download {
    text-align: center;
}

.download-box {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 50px 40px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

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

.download-box i {
    font-size: 3.5rem;
    color: var(--accent-danger);
    margin-bottom: 20px;
    display: block;
}

.download-box h4 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.download-box p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.05rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-download {
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(var(--accent-primary-rgb), 0.4);
}

.file-details {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.file-details span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.file-details i {
    color: var(--accent-primary);
    font-size: 1rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.ultra-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.ultra-card {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.ultra-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.ultra-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ultra-icon i {
    font-size: 1rem;
    color: white;
}

.ultra-content {
    flex-grow: 1;
}

.ultra-content h5 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.ultra-content p {
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.ultra-social {
    display: flex;
    gap: 8px;
}

.ultra-social a {
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: var(--transition);
}

.ultra-social a:hover {
    color: var(--accent-primary);
}

.ultra-action {
    width: 35px;
    height: 35px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
}

.ultra-action:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.1);
}

.quick-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.quick-link:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
}

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

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

.footer .fork-link {
    color: var(--accent-primary) !important;
    font-weight: 600;
}

.footer .fork-link:hover {
    color: var(--accent-secondary) !important;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .name {
        font-size: 3rem;
    }
    
    .image-container {
        width: 350px;
        height: 350px;
    }
    
    .image-frame {
        width: 390px;
        height: 390px;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 85px;
        left: 0;
        right: 0;
        background: rgba(var(--bg-primary-rgb), 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 25px 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
        border-top: 1px solid var(--border-color);
        border-bottom: 2px solid var(--border-color);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        gap: 0;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(var(--border-color-rgb), 0.3);
        justify-content: flex-start;
        width: 100%;
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links a:hover {
        background: rgba(var(--accent-primary-rgb), 0.1);
        border-radius: 5px;
    }
    
    .fork-btn {
        margin: 15px 0 0 0 !important;
        justify-content: center;
    }
    
    /* Other responsive styles */
    .hero-buttons {
        flex-direction: column;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .resume-summary {
        padding: 30px 25px;
    }
    
    .download-box {
        padding: 40px 25px;
    }
    
    .file-details {
        flex-direction: column;
        gap: 15px;
    }
    
    .ultra-compact-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    .image-container {
        width: 280px;
        height: 280px;
    }
    
    .image-frame {
        width: 320px;
        height: 320px;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav-links {
        top: 80px;
        padding: 20px 15px;
    }
    
    .nav-links a {
        padding: 12px 15px;
    }
}