/* Amazon Prime Inspired Styles */
:root {
    --prime-blue: #00A8E1;
    --prime-dark-blue: #0073BB;
    --prime-black: #0F1419;
    --prime-dark-gray: #1A1A1A;
    --prime-gray: #2A2A2A;
    --prime-light-gray: #F5F5F5;
    --prime-white: #FFFFFF;
    --prime-accent: #FF9900;
    --prime-text: #FFFFFF;
    --prime-text-secondary: #CCCCCC;
}

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

body {
    font-family: 'Amazon Ember', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--prime-black);
    color: var(--prime-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
.prime-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.prime-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    color: var(--prime-white);
}

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

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

.nav-menu a {
    color: var(--prime-text-secondary);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--prime-blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--prime-white);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.prime-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

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

.prime-btn.primary:hover {
    background: var(--prime-dark-blue);
    transform: translateY(-2px);
}

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

.prime-btn.secondary:hover {
    background: var(--prime-blue);
    color: var(--prime-white);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--prime-black) 0%, var(--prime-dark-gray) 100%);
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.name-first {
    color: var(--prime-white);
}

.name-last {
    color: var(--prime-blue);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--prime-text-secondary);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.profile-card {
    background: linear-gradient(145deg, var(--prime-gray), var(--prime-dark-gray));
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    width: 350px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-img {
    width: 100%;
    max-width: 300px;
    border-radius: 15px;
    display: block;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--prime-white);
}

/* About Section */
.about-section {
    background: var(--prime-dark-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.about-left {
    text-align: left;
}

.about-left p {
    font-size: 1.1rem;
    color: var(--prime-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-right {
    text-align: left;
}

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

.skill-category h3 {
    color: var(--prime-blue);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: var(--prime-gray);
    color: var(--prime-text);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--prime-blue);
}

/* Experience Section */
.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--prime-blue);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--prime-blue);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid var(--prime-black);
}

.timeline-content {
    background: var(--prime-gray);
    padding: 2rem;
    border-radius: 10px;
    margin-left: calc(50% + 20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 20px);
}

.timeline-content h3 {
    color: var(--prime-white);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--prime-white);
    margin-bottom: 0.5rem;
}

.timeline-content h4 a {
    color: var(--prime-blue);
    text-decoration: none;
}

.timeline-content h4 a:visited {
    color: var(--prime-blue);
}

.timeline-content h4 a:hover {
    text-decoration: underline;
}

.timeline-date {
    color: var(--prime-accent);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Projects Section */
.projects-section {
    background: var(--prime-dark-gray);
}

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

.project-card {
    background: var(--prime-gray);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 168, 225, 0.2);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--prime-blue), var(--prime-dark-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    font-size: 3rem;
    color: var(--prime-white);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: var(--prime-white);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.project-content p {
    color: var(--prime-text-secondary);
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    background: var(--prime-blue);
    color: var(--prime-white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* About Section */
.about-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.about-intro p {
    font-size: 1.1rem;
    color: var(--prime-text-secondary);
    line-height: 1.7;
    max-width: 900px;
    margin: 0 auto;
}

.about-main {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: start;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 168, 225, 0.2);
}

.about-content h3 {
    color: var(--prime-blue);
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-item {
    color: var(--prime-text-secondary);
    padding: 0.5rem 0;
}

.info-item strong {
    color: var(--prime-white);
}

.info-item a {
    color: var(--prime-blue);
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

.about-highlights {
    margin-top: 2rem;
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.highlight i {
    color: var(--prime-blue);
    margin-top: 0.3rem;
    font-size: 0.8rem;
}

.highlight p {
    color: var(--prime-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.interests {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.interest-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--prime-gray);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.interest-item:hover {
    transform: translateY(-5px);
    border-color: var(--prime-blue);
}

.interest-item i {
    font-size: 2.5rem;
    color: var(--prime-blue);
    margin-bottom: 1rem;
}

.interest-item h3 {
    color: var(--prime-white);
    font-size: 1.1rem;
    margin: 0;
}

/* About Section Enhancements */
.about-details {
    margin: 2rem 0;
}

.detail-row {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.detail-item {
    flex: 1;
}

.detail-item a {
    color: var(--prime-blue);
    text-decoration: none;
}

.detail-item a:hover {
    text-decoration: underline;
}

.about-highlights {
    margin: 2rem 0;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.highlight-item i {
    color: var(--prime-blue);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.interest-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--prime-gray);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.interest-item:hover {
    transform: translateY(-5px);
}

.interest-item i {
    font-size: 2rem;
    color: var(--prime-blue);
    margin-bottom: 1rem;
}

.interest-item h3 {
    color: var(--prime-white);
    font-size: 1rem;
}

/* Skills Section */
.skills-section {
    background: var(--prime-dark-gray);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--prime-gray);
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.skill-item:hover {
    border-color: var(--prime-blue);
    transform: translateY(-5px);
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--prime-blue);
    margin-bottom: 1rem;
}

.skill-item h3 {
    color: var(--prime-white);
    font-size: 1rem;
    margin: 0;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--prime-gray);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 168, 225, 0.2);
}

.education-image {
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--prime-blue), var(--prime-dark-blue));
}

.education-image img {
    max-width: 150px;
    height: auto;
    border-radius: 10px;
}

.education-content {
    padding: 2rem;
    text-align: center;
}

.education-content h3 {
    color: var(--prime-white);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.education-content h4 {
    color: var(--prime-blue);
    margin-bottom: 0.5rem;
}

.education-content h4 a {
    color: var(--prime-blue);
    text-decoration: none;
}

.education-content h4 a:hover {
    text-decoration: underline;
}

.education-content h5 {
    color: var(--prime-text-secondary);
    margin-bottom: 1rem;
    font-style: italic;
}

.education-date {
    color: var(--prime-accent);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.coursework h6 {
    color: var(--prime-blue);
    margin-bottom: 0.5rem;
}

.coursework p {
    color: var(--prime-text-secondary);
    font-size: 0.9rem;
}

/* Projects Section */
.projects-section {
    background: var(--prime-dark-gray);
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-item {
    background: var(--prime-gray);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 168, 225, 0.1);
}

.project-item h3 {
    color: var(--prime-white);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.project-item h3 a {
    color: var(--prime-blue);
    text-decoration: none;
}

.project-item h3 a:hover {
    text-decoration: underline;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-tech {
    color: var(--prime-text-secondary);
    font-style: italic;
}

.project-date {
    color: var(--prime-accent);
    font-weight: 500;
}

.project-item ul {
    color: var(--prime-text-secondary);
    padding-left: 1.5rem;
}

.project-item li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.other-projects ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.other-projects li {
    background: var(--prime-black);
    padding: 0.8rem;
    border-radius: 8px;
    border-left: 3px solid var(--prime-blue);
}

/* Papers Section */
.papers-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.paper-item {
    background: var(--prime-gray);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.paper-item:hover {
    transform: translateY(-5px);
}

.paper-item h3 {
    color: var(--prime-white);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.paper-details {
    color: var(--prime-text-secondary);
}

.paper-details .journal {
    color: var(--prime-blue);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.paper-details .publication {
    margin-bottom: 0.5rem;
}

.paper-details a {
    color: var(--prime-blue);
    text-decoration: none;
}

.paper-details a:hover {
    text-decoration: underline;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    color: var(--prime-text-secondary);
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--prime-gray);
    padding: 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--prime-text);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-card:hover {
    border-color: var(--prime-blue);
    transform: translateY(-2px);
}

.contact-card i {
    font-size: 1.5rem;
    color: var(--prime-blue);
}

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

/* Hero section social links specific styling */
.hero-text .social-links {
    justify-content: flex-start;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--prime-gray);
    border-radius: 50%;
    color: var(--prime-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--prime-blue);
    color: var(--prime-white);
    transform: translateY(-3px);
}

/* Typed text animation */
.typed-text {
    color: var(--prime-blue);
    font-weight: 500;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .prime-nav {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-center {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(10px);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-center.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu {
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }
    
    .nav-right {
        display: none;
    }
    
    .nav-center:not(.active) {
        display: none;
    }
    
    .nav-center.active {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        left: 20px;
    }
    
    .timeline-content {
        margin-left: 50px;
        margin-right: 0;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px;
        margin-right: 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .project-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .about-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    

    
    .other-projects ul {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-left,
    .about-right {
        text-align: center;
    }
    
    .about-details {
        text-align: center;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: var(--prime-black);
}

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

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

/* Typed text animation */
.typed-text {
    color: var(--prime-blue);
    font-weight: 500;
}

.typed-text::after {
    content: '|';
    animation: blink 1s infinite;
}

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