/* ========================================
   Editorial Portfolio Stylesheet
   Clean, minimal design inspired by schindlertom.com
   ======================================== */

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

:root {
    /* Colors */
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b6b;
    --color-text-light: #999999;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f8f8;
    --color-border: #e5e5e5;
    --color-accent: #1a1a1a;
    --color-accent-hover: #333333;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing - Tightened */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
    --space-3xl: 4.5rem;
    --space-4xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 70px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Particle Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-container.hero-centered {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
}

.hero-centered .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.hero-centered .hero-buttons {
    justify-content: center;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title-spaced {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.hero-title-main {
    display: block;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-avatar {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 16px;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: var(--font-size-xs);
    margin-top: var(--space-md);
}

/* ========================================
   Sections
   ======================================== */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header-compact {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.section-title-left {
    text-align: left;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

/* ========================================
   Cards Grid
   ======================================== */
.cards-grid {
    display: grid;
    gap: var(--space-lg);
}

.cards-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-text-light);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: 10px;
    margin-bottom: var(--space-md);
    font-size: var(--font-size-xl);
    color: var(--color-text);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.card-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.card-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.card-link:hover {
    opacity: 0.7;
}

/* Sidebar Cards */
.card-sidebar {
    padding: var(--space-lg);
}

.card-title-sm {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.card-text-sm {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.card-link-sm {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

/* ========================================
   Field Notes
   ======================================== */
.field-notes {
    background: var(--color-bg-alt);
}

/* ========================================
   Sidebar Blocks
   ======================================== */
.sidebar-blocks {
    padding: var(--space-xl) 0;
}

/* ========================================
   Work / Projects Section
   ======================================== */
.work {
    background: var(--color-bg);
}

.projects-featured {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

.project-card-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.project-card-featured:nth-child(even) {
    direction: rtl;
}

.project-card-featured:nth-child(even)>* {
    direction: ltr;
}

.project-image {
    border-radius: 12px;
    overflow: hidden;
    background: var(--color-bg-alt);
    height: 320px;
}

.project-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
}

.project-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    height: 320px;
}

.project-image-grid img {
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
}

.project-content {
    padding: var(--space-lg) 0;
}

.project-date {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.project-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.project-description {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 20px;
}

/* ========================================
   Services
   ======================================== */
.services {
    background: var(--color-bg-alt);
}

.card-service {
    background: var(--color-bg);
}

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

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-skills {
    background: var(--color-bg-alt);
    border-radius: 12px;
    padding: var(--space-xl);
}

.skills-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.skill-pill {
    display: inline-block;
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    transition: all var(--transition-fast);
}

.skill-pill:hover {
    border-color: var(--color-text);
}

/* ========================================
   Experience Section
   ======================================== */
.experience {
    background: var(--color-bg-alt);
}

.experience-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.experience-card:last-child {
    margin-bottom: 0;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.experience-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 4px;
}

.experience-company {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

.experience-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.experience-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: var(--space-md);
}

.experience-list {
    list-style: none;
}

.experience-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.experience-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-text);
    border-radius: 50%;
}

/* ========================================
   Certificates Section
   ======================================== */
.certificates {
    background: var(--color-bg-alt);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.certificate-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.certificate-card:hover {
    border-color: var(--color-text);
    transform: translateY(-2px);
}

.certificate-icon {
    font-size: 1.5rem;
    color: var(--color-text);
    flex-shrink: 0;
    margin-top: 2px;
}

.certificate-content {
    flex: 1;
}

.certificate-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    line-height: 1.4;
}

.certificate-issuer {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: var(--color-text);
    color: white;
    padding: var(--space-3xl) 0;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    margin-bottom: var(--space-xl);
}

.cta .btn-primary {
    background: white;
    color: var(--color-text);
}

.cta .btn-primary:hover {
    background: var(--color-bg-alt);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--color-bg);
    padding: var(--space-lg) 0;
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.contact-info {
    display: flex;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

.contact-item i {
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.contact-item a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-text);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-text);
    color: white;
    border-color: var(--color-text);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer-logo {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-avatar {
        max-width: 280px;
    }

    .cards-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-card-featured {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .project-card-featured:nth-child(even) {
        direction: ltr;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 5rem;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        align-items: center;
        padding: var(--space-xl) 0;
        gap: var(--space-lg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .hamburger {
        display: flex;
    }

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

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

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

    .cards-3,
    .cards-4 {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
        margin-top: var(--space-lg);
    }

    .experience-header {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .project-image-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: var(--space-sm);
        padding-bottom: var(--space-md);
        /* Increased for scrollbar */
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        /* Firefox */
        scrollbar-color: var(--color-text-light) transparent;
    }

    /* Custom Scrollbar for Project Image Grid */
    .project-image-grid::-webkit-scrollbar {
        height: 4px;
    }

    .project-image-grid::-webkit-scrollbar-track {
        background: var(--color-bg-alt);
        border-radius: 10px;
    }

    .project-image-grid::-webkit-scrollbar-thumb {
        background: var(--color-text-light);
        border-radius: 10px;
    }

    .project-image-grid img {
        flex: 0 0 85%;
        /* Shows most of the image and a hint of the next */
        scroll-snap-align: start;
        height: 280px;
        /* Specific height for mobile */
    }

    /* Keep certificates as blocks/cards on mobile */
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* Lightbox Nav Buttons on Mobile - Move to bottom to avoid blocking image */
    .lightbox-nav {
        width: 50px;
        height: 50px;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        top: auto;
        bottom: 30px;
        transform: none;
    }

    .lightbox-prev {
        left: calc(50% - 60px);
    }

    .lightbox-next {
        right: calc(50% - 60px);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-title-main {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========================================
   Resume Button
   ======================================== */
.btn-resume {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.btn-resume:hover {
    background: var(--color-text);
    color: white;
    border-color: var(--color-text);
}

/* ========================================
   Hero Proof Section
   ======================================== */
.hero-proof {
    margin: var(--space-md) 0 var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: rgba(248, 248, 248, 0.8);
    border-left: 3px solid var(--color-accent);
    border-radius: 4px;
    display: inline-block;
    text-align: left;
    backdrop-filter: blur(4px);
}

.proof-item {
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.proof-label {
    font-weight: 600;
    color: var(--color-text);
    margin-right: 6px;
}

.proof-value {
    color: var(--color-text-muted);
}

/* ========================================
   Project Outcomes
   ======================================== */
.project-outcome {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   Grouped Skills
   ======================================== */
.skills-group {
    margin-bottom: var(--space-md);
}

.skills-group:last-child {
    margin-bottom: 0;
}

.skills-subtitle {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

/* ========================================
   Lightbox / Gallery
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    display: none;
}

.lightbox-img.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    z-index: 2002;
    background: none;
    border: none;
    padding: 10px;
    transition: transform 0.2s;
}

.lightbox-close:hover {
    transform: scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: 20px;
    font-size: 2rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
    z-index: 2002;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev {
    left: 40px;
}

.lightbox-next {
    right: 40px;
}

/* Clickable image cue */
.project-image {
    cursor: pointer;
    position: relative;
}

.project-image::after {
    content: '\f00e';
    /* fa-search-plus */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 2.5rem;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.project-image:hover::after {
    opacity: 1;
}

.project-image:hover img {
    filter: brightness(0.6);
    transition: filter 0.3s;
    transform: scale(1.02);
}

.project-image img {
    transition: all 0.3s ease;
}

.skills-grid-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .skills-grid-container {
        grid-template-columns: 1fr;
    }
}