/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border: #333333;
    --accent: #ffffff;
    --accent-hover: #e0e0e0;
    --code-bg: #0a0a0a;
    --code-text: #ffffff;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    cursor: pointer;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.greeting-text {
    font-size: 2rem;
    font-weight: 400;
    color: #e0e0e0;
    opacity: 0;
    transition: all 0.5s ease;
}

.skip-text {
    font-size: 0.9rem;
    color: #666;
    opacity: 0.4;
    transition: all 0.3s ease;
    position: relative;
}

#loader:hover .skip-text {
    opacity: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav:hover {
    background: rgba(0, 0, 0, 1);
    border-bottom-color: var(--accent);
}

.nav-container {
    max-width: 60rem;
    margin: 0 auto;
    padding: 1.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.name-highlight {
    position: relative;
    cursor: pointer;
    display: inline-block;
}

.name-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    animation: nameUnderline 2s ease-in-out infinite;
}

@keyframes nameUnderline {
    0%, 100% {
        width: 0;
    }
    50% {
        width: 100%;
    }
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.nav-brand::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
}

.nav-brand:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.profile-image-container {
    position: fixed;
    top: 35%;
    right: -250px;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent);
    z-index: 10001;
    transition: right 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.3);
    opacity: 0;
}

.profile-image-container.active {
    right: 5%;
    pointer-events: all;
    opacity: 1;
}

.profile-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

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

.nav-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

main {
    margin-top: 4rem;
}

section {
    padding: 5rem 1.5rem;
    border-top: 1px solid var(--border);
    transition: all 0.5s ease;
}

section:hover {
    border-top-color: var(--accent);
}

.container {
    max-width: 60rem;
    margin: 0 auto;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-primary);
    animation: fadeInDown 0.8s ease;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 3rem;
    color: var(--text-primary);
    animation: fadeInUp 0.8s ease;
}

h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 30rem;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn:hover {
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

#hero {
    border-top: none;
    padding-top: 5rem;
}

.code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin: 2rem 0;
    transition: all 0.3s ease;
    position: relative;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: #000000;
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s ease;
}

.code-block:hover .dot:nth-child(1) {
    background: #ffffff;
}

.code-block:hover .dot:nth-child(2) {
    background: #ffffff;
}

.code-block:hover .dot:nth-child(3) {
    background: #ffffff;
}

.code-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.code-filename {
    font-family: 'Fira Code', 'Monaco', 'Menlo', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.language-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-family: 'Space Grotesk', sans-serif;
}

.dropdown-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.dropdown-arrow {
    font-size: 0.6rem;
    transition: transform 0.3s ease;
}

.dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
    min-width: 120px;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 0.6rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent);
}

.dropdown-item.selected {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.03);
}

.code-block pre {
    padding: 1.5rem;
    font-family: 'Fira Code', 'Monaco', 'Menlo', monospace;
    font-size: 0.85rem;
    color: var(--code-text);
    line-height: 1.7;
    overflow-x: auto;
}

.code-keyword {
    color: #ffffff;
    font-weight: 600;
}

.code-type {
    color: #cccccc;
    font-weight: 500;
}

.code-function {
    color: #ffffff;
    font-weight: 500;
}

.code-string {
    color: #888888;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.code-block:hover {
    border-color: var(--accent);
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.05);
}

.code-block:hover::before {
    opacity: 1;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: 1.5px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.3s ease;
    z-index: -1;
}

.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.skill-tag:hover::before {
    left: 0;
}

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

.project-card {
    border: 1.5px solid var(--border);
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: rgba(10, 10, 10, 0.5);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

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

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.project-card:hover .project-title {
    color: var(--accent);
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tech {
    font-size: 0.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: 'Fira Code', monospace;
    opacity: 0.8;
}

.project-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.project-link::after {
    content: ' →';
    transition: transform 0.3s ease;
    display: inline-block;
}

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

.project-link:hover::after {
    transform: translateX(4px);
}

.education-timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 100%;
    overflow-x: auto;
    padding: 2rem 0;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 200px;
    position: relative;
}

.timeline-dot {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.timeline-content {
    text-align: center;
    margin-top: 1rem;
}

.timeline-period {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-school {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.timeline-arrow {
    width: 60px;
    height: 2px;
    background: var(--border);
    position: relative;
    animation: arrowShine 3s ease-in-out infinite;
}

@keyframes arrowShine {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
        filter: brightness(1.5);
    }
}

.image-grid {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    overflow: hidden;
    padding-bottom: 1rem;
    position: relative;
}

.image-scroll-container {
    display: flex;
    gap: 1.5rem;
    animation: scrollImages 30s linear infinite;
}

@keyframes scrollImages {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.grid-item {
    border: 1.5px solid var(--border);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: var(--bg-secondary);
    border-radius: 8px;
    flex-shrink: 0;
}

.grid-item.desktop {
    width: 600px;
    height: 375px;
}

.grid-item.mobile {
    width: 200px;
    height: 400px;
}

.grid-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.grid-item:hover img {
    opacity: 0.9;
}

.grid-item-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    border-top: 1px solid var(--border);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.grid-item:hover .grid-item-label {
    transform: translateY(0);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: modalZoom 0.3s ease;
}

.modal-content img {
    max-width: 100%;
    max-height: 80vh;
    border: 2px solid var(--accent);
}

.modal-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.modal-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Space Grotesk', sans-serif;
}

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

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.close-modal:hover {
    transform: rotate(90deg);
    color: var(--text-primary);
}

@keyframes modalZoom {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.contact-content {
    max-width: 30rem;
}

.contact-text {
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.social-link::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.social-link:hover {
    color: var(--accent);
    transform: translateY(-2px);
}

.social-link:hover::before {
    width: 100%;
}

.social-icon {
    width: 22px;
    height: 22px;
    stroke-width: 1.5;
    transition: all 0.3s ease;
}

.social-link:hover .social-icon {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
}

footer {
    border-top: 1px solid var(--border);
    padding: 3rem 1.5rem;
    transition: all 0.3s ease;
}

.footer-content {
    max-width: 60rem;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

footer:hover {
    border-top-color: var(--accent);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem;
        gap: 1rem;
    }

    .greeting-text {
        font-size: 1.5rem;
    }

    section {
        padding: 3rem 1.5rem;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 2rem;
    }

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

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

    .nav-container {
        padding: 1rem 1.5rem;
    }

    .social-links {
        gap: 1.5rem;
    }

    .education-timeline {
        flex-direction: column;
        gap: 2rem;
    }

    .timeline-arrow {
        width: 2px;
        height: 40px;
    }

    .image-grid {
        flex-direction: column;
        overflow: visible;
    }

    .image-scroll-container {
        flex-direction: column;
        animation: none;
    }

    .grid-item.desktop {
        width: 100%;
        height: auto;
        aspect-ratio: 16/10;
    }

    .grid-item.mobile {
        width: 100%;
        height: auto;
        aspect-ratio: 9/16;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-right {
        align-items: center;
    }

    .profile-image-container {
        width: 150px;
        height: 150px;
        right: -200px;
    }

    .profile-image-container.active {
        right: 5%;
    }
}