@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

:root {
    --primary-blue: #00d4ff;
    --secondary-blue: #0066ff;
    --dark-bg: #000000;
    --card-bg: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --gradient: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    cursor: none;
}

html {
    scroll-behavior: smooth;
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: 0.1s;
}

.cursor-follower {
    width: 8px;
    height: 8px;
    background: var(--primary-blue);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: 0.15s;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    animation: pulse 2s ease-in-out infinite;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    color: var(--primary-blue);
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.glitch {
    font-size: 4rem;
    font-weight: 900;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    position: relative;
    letter-spacing: 0.1em;
    text-shadow: 0.05em 0 0 var(--primary-blue), -0.025em -0.05em 0 var(--secondary-blue);
    animation: glitch 1s infinite;
}

@keyframes glitch {
    0% {
        text-shadow: 0.05em 0 0 var(--primary-blue), -0.025em -0.05em 0 var(--secondary-blue);
    }
    14% {
        text-shadow: 0.05em 0 0 var(--primary-blue), -0.025em -0.05em 0 var(--secondary-blue);
    }
    15% {
        text-shadow: -0.05em -0.025em 0 var(--primary-blue), 0.025em 0.025em 0 var(--secondary-blue);
    }
    49% {
        text-shadow: -0.05em -0.025em 0 var(--primary-blue), 0.025em 0.025em 0 var(--secondary-blue);
    }
    50% {
        text-shadow: 0.025em 0.05em 0 var(--primary-blue), 0.05em 0 0 var(--secondary-blue);
    }
    99% {
        text-shadow: 0.025em 0.05em 0 var(--primary-blue), 0.05em 0 0 var(--secondary-blue);
    }
    100% {
        text-shadow: -0.025em 0 0 var(--primary-blue), -0.025em -0.025em 0 var(--secondary-blue);
    }
}

.subtitle {
    font-size: 1.5rem;
    margin: 1rem 0;
    color: var(--primary-blue);
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--dark-bg);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.scroll-indicator span {
    width: 2px;
    height: 15px;
    background: var(--primary-blue);
    animation: scroll 1.5s infinite;
}

.scroll-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Section Title */
.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--card-bg) 100%);
}

.about-content {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.stat-item h3 {
    font-size: 2.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

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

/* Projects Section */
.projects {
    background: var(--card-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 102, 255, 0.2) 100%);
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.project-link {
    padding: 0.8rem 1.5rem;
    background: var(--gradient);
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.project-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.project-tags span {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-blue);
}

.view-more {
    text-align: center;
    margin-top: 3rem;
}

/* Skills Section */
.skills {
    background: linear-gradient(180deg, var(--card-bg) 0%, var(--dark-bg) 100%);
}

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

.skill-category {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s;
}

.skill-category:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
}

.skill-category i {
    margin-right: 0.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.skill-tag:hover {
    background: var(--primary-blue);
    color: var(--dark-bg);
    transform: scale(1.05);
}

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

.contact-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.contact-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    word-break: break-word;
}

/* Footer */
.footer {
    background: var(--card-bg);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

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

    .glitch {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .description {
        font-size: 1rem;
    }

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

    .stats {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

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

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

    .cursor,
    .cursor-follower {
        display: none;
    }

    body {
        cursor: auto;
    }
}

@media (max-width: 480px) {
    .glitch {
        font-size: 2rem;
    }

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

    .container {
        padding: 2rem 1rem;
    }
}

/* Live Demos Section */
.live-demos {
    background: var(--dark-bg);
    padding: 5rem 0;
}

.section-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.demo-card {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.demo-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

.demo-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.demo-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.demo-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.demo-badge {
    display: inline-block;
    background: var(--gradient);
    color: var(--dark-bg);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s;
}

.demo-links {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
    margin-top: 0.5rem;
}

.download-badge {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.download-badge:hover {
    background: var(--primary-blue);
    color: var(--dark-bg);
    transform: scale(1.05);
}

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

/* Certifications Section */
.certifications {
    background: var(--dark-bg);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.cert-category {
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s;
}

.cert-category:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.cert-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
}

.cert-category i {
    margin-right: 0.5rem;
}

.cert-list {
    list-style: none;
    padding: 0;
}

.cert-list li {
    padding: 0.8rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
    position: relative;
    padding-left: 1.5rem;
}

.cert-list li:last-child {
    border-bottom: none;
}

.cert-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.cert-list li:hover {
    color: var(--text-primary);
    padding-left: 2rem;
}

/* Tech Highlights Badges */
.tech-highlights {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.tech-badge {
    padding: 0.5rem 1.2rem;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid var(--primary-blue);
    border-radius: 25px;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.tech-badge:hover {
    background: var(--primary-blue);
    color: var(--dark-bg);
    transform: scale(1.05);
}

/* About Section Enhancements */
.about-subtitle {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.education-info {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.expertise-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 2rem 0;
}

.expertise-list li {
    padding: 1rem;
    margin-bottom: 1rem;
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid var(--primary-blue);
    border-radius: 5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.expertise-list strong {
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.3rem;
}

.stats {
    grid-template-columns: repeat(4, 1fr);
}

/* Project Categories */
.project-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-blue);
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.8rem;
}

.project-card.featured {
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.project-card.featured:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.4);
}

/* Gradient Backgrounds for Project Images */
.ai-gradient {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(138, 43, 226, 0.3) 100%);
}

.blockchain-gradient {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(0, 212, 255, 0.3) 100%);
}

.quantum-gradient {
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.3) 0%, rgba(255, 20, 147, 0.3) 100%);
}

/* Primary Skill Categories */
.skill-category.primary-skill {
    border: 2px solid rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
}

.skill-category.primary-skill:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

/* Primary Certification Categories */
.cert-category.primary-cert {
    border: 2px solid rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
}

.cert-category.primary-cert:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3);
}

/* Responsive Updates */
@media (max-width: 768px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-highlights {
        gap: 0.5rem;
    }
    
    .tech-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }
}

/* Enhanced About Section */
.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.intro-text strong {
    color: var(--primary-blue);
}

.education-detail {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.philosophy-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.philosophy-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 2rem 0;
}

.philosophy-list li {
    padding: 0.8rem 1rem;
    margin-bottom: 0.8rem;
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid var(--primary-blue);
    border-radius: 5px;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: all 0.3s;
}

.philosophy-list li:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(5px);
}

.philosophy-list strong {
    color: var(--primary-blue);
}

/* Smoother cursor */
.cursor {
    pointer-events: none;
    mix-blend-mode: difference;
}

.cursor-follower {
    pointer-events: none;
    mix-blend-mode: difference;
}