/* Modern Portfolio CSS with Advanced Animations */

/* CSS Variables for easy customization */
:root {
    --primary-color: #6366f1;
    --primary-dark: #5855eb;
    --secondary-color: #8b5cf6;
    --bg-dark: #0a0a0a;
    --bg-darker: #1a1a1a;
    --bg-card: #262626;
    --bg-card-hover: #333;
    --text-primary: #e5e5e5;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    --border-color: #333;
    --border-hover: #404040;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-bg: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 50%, var(--bg-dark) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.nav-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-slow);
}

.nav-logo:hover::before {
    left: 0;
}

.nav-logo span {
    position: relative;
    z-index: 1;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

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

/* Header */
.header {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: slideInDown 1s ease;
}

.header::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(100px);
    animation: pulse 4s ease-in-out infinite;
}

.header h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.2s both;
    position: relative;
    z-index: 1;
}

.header p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 15px;
    animation: fadeInUp 1s ease 0.4s both;
    position: relative;
    z-index: 1;
}

.header .subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    animation: fadeInUp 1s ease 0.6s both;
    position: relative;
    z-index: 1;
}

/* Sections */
.section {
    padding: 60px 0;
    position: relative;
}

.section-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 0px;
}

#about {
    padding-bottom: 40px;
}

#projects {
    padding-top: 40px;
}

.about-image {
    text-align: center;
}

.profile-photo {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.skills-section {
    margin-top: 0px;
}

.skills-title {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 30px;
    font-size: 1.5rem;
    font-weight: 600;
}





.about-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-text p {
    margin-bottom: 20px;
}

.about-text ul {
    margin: 15px 0 20px 20px;
    padding-left: 0;
}

.about-text li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.about-text li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}



.about-text h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.8rem;
    position: relative;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.skill-item {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left var(--transition-slow);
}

.skill-item:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.skill-item:hover::before {
    left: 0;
}

.skill-item i {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.skill-item:hover i {
    transform: scale(1.1) rotate(5deg);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    cursor: pointer;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-image {
    flex: 1;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-image::before {
    opacity: 1;
}

.project-image i {
    transition: transform var(--transition-normal);
}

.project-card:hover .project-image i {
    transform: scale(1.1) rotate(5deg);
}

.project-content {
    padding: 15px;
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 0;
}

.project-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.3;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.4;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.tech-tag {
    background: var(--bg-darker);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    border: 1px solid var(--border-hover);
    transition: all var(--transition-fast);
}

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

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

.project-link {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left var(--transition-normal);
}

.project-link:hover::before {
    left: 0;
}

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

.project-link.secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-hover);
}

.project-link:hover {
    transform: translateY(-2px);
}

.project-link.primary:hover {
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

.project-link.secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

/* Compact Project Card Styles */
.project-year {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 10px;
    padding: 4px 8px;
    background: var(--bg-darker);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    width: fit-content;
}

.project-year i {
    color: var(--primary-color);
    font-size: 0.75rem;
}

.tech-tag {
    font-size: 0.75rem;
    padding: 4px 8px;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 30px;
    background: var(--bg-card);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left var(--transition-slow);
}

.contact-link:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.contact-link:hover::before {
    left: 0;
}

.contact-link i {
    font-size: 1.3rem;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.contact-link:hover i {
    transform: scale(1.2) rotate(10deg);
}

/* Footer */
.footer {
    text-align: center;
    padding: 50px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    background: var(--bg-darker);
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.footer a:hover {
    color: var(--secondary-color);
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
    transform: translateY(-1px);
}

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

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.2;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

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

.slide-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .profile-photo {
        width: 220px;
        height: 220px;
    }
    

    

    

    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav .container {
        padding: 0 20px;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* Mobile Specific Fixes */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 100px 0 60px;
    }
    
    .header h1 {
        font-size: 2rem;
        word-wrap: break-word;
    }
    
    .header p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .project-content {
        padding: 12px;
    }
    
    .project-title {
        font-size: 1.2rem;
    }
    
    .project-description {
        font-size: 0.9rem;
    }
    
    .project-tech {
        gap: 6px;
    }
    
    .tech-tag {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    .project-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .project-link {
        text-align: center;
        width: 100%;
    }
    
    .contact-link {
        padding: 15px 20px;
        font-size: 0.9rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .skill-item {
        padding: 15px;
    }
    
    .skill-item i {
        font-size: 1.5rem;
    }
}

/* Extra Small Mobile Fixes */
@media (max-width: 360px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .project-content {
        padding: 15px;
    }
    
    .contact-links {
        gap: 15px;
    }
    
    .contact-link {
        padding: 12px 15px;
        font-size: 0.85rem;
    }
}

/* Landscape Mobile Fixes */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 80px 0 40px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .about-content {
        gap: 30px;
    }
}



/* Loading animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}