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

:root {
    /* Color Variables */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d1;
    --text-muted: #8892b0;
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1e3a;
    --bg-card: #151937;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-primary: 0 10px 30px rgba(102, 126, 234, 0.3);
    --shadow-secondary: 0 5px 20px rgba(0, 0, 0, 0.3);
    
    /* Font Variables */
    --font-primary: 'Poppins', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing Variables */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.98);
    box-shadow: var(--shadow-secondary);
}

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

.nav-logo a {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.nav-logo a:hover {
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl) 0;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.1) 0%, rgba(10, 14, 39, 1) 70%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    height: 60px;
    display: flex;
    align-items: center;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 30px;
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.hero-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s backwards;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
    position: relative;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: var(--gradient-secondary);
    z-index: -1;
    animation: rotate 20s linear infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.scroll-arrow:hover {
    color: var(--primary-color);
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-style: italic;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-container {
    position: relative;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
    position: relative;
    overflow: hidden;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    animation: shimmer 3s ease-in-out infinite;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-secondary);
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.category-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    gap: var(--spacing-md);
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.skill-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1.2rem;
}

.skill-item h4 {
    flex: 1;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.skill-bar {
    flex: 2;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 2s ease-in-out;
}

/* Experience Section */
.experience {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-content {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-secondary);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-3px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.timeline-header h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.timeline-date {
    background: var(--gradient-primary);
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.timeline-company {
    color: var(--accent-color);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    background: rgba(102, 126, 234, 0.2);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-secondary);
    transition: all 0.3s ease;
}

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

.project-image {
    height: 200px;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    filter: brightness(0.9) saturate(1.1);
    background-color: #f8f9fa;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
    filter: brightness(1) saturate(1.2);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(2px);
}

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

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.project-link:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-tag {
    background: rgba(245, 87, 108, 0.2);
    color: var(--accent-color);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-xl);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.contact-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.contact-details {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.contact-item i {
    width: 20px;
    color: var(--primary-color);
}

.contact-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-secondary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.footer-content i {
    color: var(--accent-color);
    margin: 0 var(--spacing-xs);
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: var(--spacing-lg) 0;
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 0;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 5px;
    }

    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .skills-container {
        grid-template-columns: 1fr;
    }

    .skill-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .skill-bar {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
        max-width: 250px;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .contact-social {
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .contact-form,
    .scroll-indicator {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section-title,
    .gradient-text {
        color: black !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #111111;
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}