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

:root {
    /* Color Variables */
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --card-bg: #1a1a1a;
    --accent-color: #00ff88;
    --accent-secondary: #0099ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #777777;
    --border-color: #333333;
    --cyber-green: #00ff41;
    --cyber-blue: #00d4ff;
    --cyber-red: #ff0040;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition-fast);
}

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

.nav-logo .logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-logo .accent {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
    position: relative;
    z-index: 2;
}

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

.hero-subtitle {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
}

.name-highlight {
    background: linear-gradient(135deg, var(--accent-color), var(--cyber-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.title-line {
    color: var(--text-secondary);
    font-size: 0.6em;
    font-weight: 600;
    display: block;
    margin-top: 10px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-bg);
}

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

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

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
}

.cyber-frame {
    position: absolute;
    inset: -20px;
    background: linear-gradient(45deg, var(--accent-color), var(--cyber-blue));
    border-radius: 20px;
    opacity: 0.1;
    animation: pulse 2s infinite;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    position: relative;
    z-index: 2;
}

.cyber-overlay {
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent-color);
    border-radius: 15px;
    pointer-events: none;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
    animation: scan 3s infinite;
}

/* Hero Background */
.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    z-index: 1;
}

.matrix-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--accent-color) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--cyber-blue) 0%, transparent 50%);
    filter: blur(100px);
}

.cyber-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 136, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.section-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--cyber-blue));
    margin: 0 auto;
    border-radius: 2px;
}

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-color);
    font-weight: 500;
}

.highlight-item i {
    font-size: 20px;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--cyber-blue));
    transform: scaleX(0);
    transition: var(--transition-fast);
}

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

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

.card-icon {
    font-size: 40px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.education-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.institution {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.status {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status.completed {
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent-color);
}

.status.ongoing {
    background: rgba(0, 212, 255, 0.2);
    color: var(--cyber-blue);
}

/* Services Section */
.services {
    background: var(--secondary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.service-icon {
    font-size: 50px;
    color: var(--accent-color);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 12px;
}

/* Projects Section */
.projects-grid {
    display: grid;
    gap: 40px;
}

.project-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.project-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.project-header h3 {
    font-size: 24px;
    font-weight: 600;
}

.project-type {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 500;
}

.project-objective,
.project-work,
.project-outcome {
    margin-bottom: 25px;
}

.project-objective h4,
.project-work h4,
.project-outcome h4 {
    color: var(--accent-color);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-card ul {
    list-style: none;
    color: var(--text-secondary);
}

.project-card li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
}

.project-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.project-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 25px;
}

.tool-tag {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

/* Skills Section */
.skills {
    background: var(--secondary-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skills-category {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.skills-category:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.skills-category h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-color);
}

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

.skill-tag {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(0, 255, 136, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 16px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent-color);
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-details a,
.contact-details span {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.1);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--text-muted);
    font-size: 16px;
    transition: var(--transition-fast);
    pointer-events: none;
    background: var(--secondary-bg);
    padding: 0 5px;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -8px;
    font-size: 12px;
    color: var(--accent-color);
}

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

/* Footer */
.footer {
    background: var(--secondary-bg);
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.3; }
}

@keyframes scan {
    0% { transform: translateY(0); }
    100% { transform: translateY(350px); }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero {
        padding-top: 60px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-highlights {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        gap: 30px;
    }
    
    .image-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .project-card {
        padding: 25px;
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--cyber-blue);
}