:root {
    --color-text: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-tertiary: #b0b0b0;
    --color-border: #333333;
    --color-background: #121212;
    --color-nav-bg: rgba(18, 18, 18, 0.9);
    --color-nav-border: #333333;
    --font-heading: 'Bebas Neue', Impact, sans-serif;
    --font-subheading: 'Montserrat', Arial, sans-serif;
    --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --accent-color: #ffd700; /* gold for dark mode */
    --mouse-x: 50%;
    --mouse-y: 50%;
    --spotlight-radius: 100px;
}

[data-theme="light"] {
    --color-text: #000000;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-border: #e5e5e5;
    --color-background: #f8f6f2;
    --color-nav-bg: rgba(248, 246, 242, 0.9);
    --color-nav-border: #e5e5e5;
    --accent-color: #ff6b00; /* bright orange for light mode */
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-y: scroll;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    letter-spacing: -0.01em;
    padding: 0;
    margin: 0;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    padding-top: 5rem;
}

section {
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 4rem;
}

section:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    background: var(--accent-color);
    height: 2px;
}

hr {
    border: none;
    border-top: 1px solid var(--accent-color);
    margin: 1rem 0 2rem;
}

h1, h2, h3, h4, p, a, span {
    font-family: var(--font-body);
}

h1 {
    font-family: var(--font-heading);
    font-size: 7rem;
    line-height: 0.9;
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
    font-weight: 400;
    text-transform: uppercase;
}

h2 {
    font-family: var(--font-subheading);
    font-size: 1.8rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    font-weight: 400;
    color: var(--accent-color);
}

h4 {
    font-family: var(--font-subheading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-weight: 400;
}

a {
    color: var(--color-text);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: var(--accent-color);
    text-decoration-color: var(--accent-color);
}

.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.name {
    display: block;
    line-height: 0.9;
    color: var(--accent-color);
}

.name:last-child {
    text-align: right;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.experience-item, .project-item {
    margin-bottom: 3rem;
}

.company-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

footer {
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.copyright-container {
    text-align: center;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    letter-spacing: 0.05em;
    font-weight: 400;
}

.contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.copyright {
    color: var(--color-text-tertiary);
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Navigation Bar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-nav-bg);
    backdrop-filter: blur(4px);
    border-bottom: 1.5px solid var(--accent-color);
    z-index: 1000;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    position: relative;
    font-family: var(--font-subheading);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
    transform: scale(1.1);
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.location-info span:first-child {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

#darkModeToggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

#darkModeToggle:hover {
    color: var(--color-text-secondary);
}

.sun-icon, .moon-icon {
    width: 20px;
    height: 20px;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="light"] .moon-icon {
    display: none;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-timeline: --page-scroll block;
}

body {
    overflow-y: scroll;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
    opacity: 0.8;
}

/* Custom Scroll Behavior */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
    
    body {
        scroll-timeline: --page-scroll block;
        scroll-timeline-axis: block;
    }
}

/* Text Selection */
::selection {
    background-color: var(--accent-color);
    color: #000000;
}

/* Skills Section Styles */
.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skills-category {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skills-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.skills-category h4 {
    color: var(--color-text);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skills-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skills-category li {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.skills-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text);
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 4rem;
    }
    
    h3 {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 3rem;
    }
    
    h3 {
        font-size: 2.5rem;
    }
}

.company-info p:first-child {
    color: var(--color-text-tertiary);
}

.company-info p:last-child {
    color: var(--color-text-secondary);
}

.project-item p:first-of-type {
    color: var(--color-text-tertiary);
}

.project-item p:not(:first-of-type) {
    color: var(--color-text-secondary);
}

.contact h3 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    font-weight: 400;
    color: var(--accent-color);
}

.contact-email {
    color: var(--accent-color);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-email:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.contact-phone {
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* Projects Section Modern Card Layout */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.project-card {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 2rem;
    min-height: 300px;
}

.project-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-info h4 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--color-text);
}

.project-meta {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.project-info p {
    margin: 0;
    line-height: 1.6;
    color: var(--color-text);
    flex-grow: 1;
}

.project-links {
    margin-top: auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding-top: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background-color: var(--color-background);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
    transform-origin: center;
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: var(--color-background);
    color: var(--accent-color);
}

[data-theme="light"] .project-link:hover {
    color: var(--color-text);
}

.project-link:active {
    transform: scale(0.98);
}

.project-image {
    flex: 0 0 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}

@media (max-width: 768px) {
    .project-card {
        flex-direction: column;
        padding: 1.5rem;
        min-height: auto;
    }

    .project-image {
        flex: 0 0 auto;
        margin-top: 1rem;
    }

    .project-links {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .project-link {
        width: 100%;
        justify-content: center;
    }

    .project-link:hover {
        transform: scale(1.05);
    }
}

/* Experience Section Modern Card Layout */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 2rem;
}

.experience-card {
    display: flex;
    flex-direction: row;
    background: var(--color-background);
    /* border: 1px solid var(--accent-color); */
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    overflow: hidden;
    align-items: stretch;
    min-height: 220px;
    padding: 2.5rem 2rem;
    gap: 2.5rem;
}

.experience-header {
    flex: 1 1 0;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.5rem;
}

.experience-header h4 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.experience-subtitle {
    color: var(--color-text-tertiary);
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.experience-date {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.experience-details {
    flex: 1.2 1 0;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    justify-content: flex-start;
    font-size: 1rem;
}

.details-row {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    color: var(--color-text-tertiary);
    border-bottom: 1px solid var(--accent-color);
    padding: 0.2rem 0;
}
.details-row span:last-child {
    color: var(--color-text-secondary);
    font-weight: 500;
}
.details-row a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    font-weight: 500;
}

.experience-description {
    flex: 2 1 0;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    justify-content: flex-start;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

@media (max-width: 1100px) {
    .experience-card {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem 1rem;
    }
    .experience-header, .experience-details, .experience-description {
        min-width: 0;
    }
}

.about-content a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.about-content a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

.certificates-link {
    margin-top: 2rem;
    text-align: left;
}

.certificates-link a {
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.certificates-link a:hover {
    transform: translateX(5px);
    text-decoration: underline;
}

.public-profiles {
    margin-top: 2rem;
}

.public-profiles h4 {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.profile-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.profile-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
}

.profile-links a:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    text-decoration: none;
}

@media (max-width: 768px) {
    .profile-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

.blur-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

[data-theme="dark"] .blur-container {
    opacity: 1;
    backdrop-filter: blur(1px);
    background: rgba(0, 0, 0, 0.4);
    -webkit-mask-image: radial-gradient(
        circle at var(--mouse-x) var(--mouse-y),
        transparent var(--spotlight-radius),
        rgba(0, 0, 0, 0.5) calc(var(--spotlight-radius) + 50px),
        rgba(0, 0, 0, 0.8) calc(var(--spotlight-radius) + 100px),
        rgba(0, 0, 0, 0.9) calc(var(--spotlight-radius) + 150px),
        black calc(var(--spotlight-radius) + 200px)
    );
    mask-image: radial-gradient(
        circle at var(--mouse-x) var(--mouse-y),
        transparent var(--spotlight-radius),
        rgba(0, 0, 0, 0.5) calc(var(--spotlight-radius) + 50px),
        rgba(0, 0, 0, 0.8) calc(var(--spotlight-radius) + 100px),
        rgba(0, 0, 0, 0.9) calc(var(--spotlight-radius) + 150px),
        black calc(var(--spotlight-radius) + 200px)
    );
    transition: --spotlight-radius 0.1s ease-out;
}

.project-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: var(--color-background);
}

.project-link:active {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .project-links {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .project-link {
        width: 100%;
        justify-content: center;
    }
}

.projects-subheading {
    text-align: center;
    margin: 4rem 0;
    padding: 0;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.projects-subheading p {
    color: #FF6B00; /* Orange color for light theme */
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 1.5rem;
    background-color: black;
    display: inline-block;
    border-radius: 4px;
}

/* Dark theme override */
[data-theme="dark"] .projects-subheading p {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .projects-subheading {
        margin: 3rem 0;
        width: 90%;
    }
    
    .projects-subheading p {
        font-size: 1.4rem;
        padding: 0.4rem 1.2rem;
    }
}

.download-resume {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.download-resume svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.download-resume:hover {
    background-color: var(--accent-color);
    color: #000000;
    text-decoration: none;
}

.download-resume:hover svg {
    transform: translateY(2px);
}

.download-resume:active {
    transform: scale(0.98);
}

@media (max-width: 768px) {
    .download-resume {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}