/* PPF APG Design System - Profiel Tinka den Arend */

:root {
    --ppf-blue: #004899;
    --ppf-blue-dark: #003366;
    --ppf-yellow: #c9d200;
    --ppf-yellow-hover: #b8c100;
    --ppf-text: #333333;
    --ppf-text-light: #666666;
    --ppf-bg-light: #f5f5f5;
    --ppf-bg-footer: #e8e8e8;
    --ppf-white: #ffffff;
    --ppf-border: #dddddd;
}

/* Dark mode colors - WCAG 2.1 AA compliant (min 4.5:1 contrast) */
[data-theme="dark"] {
    --ppf-blue: #6ab0e8;
    --ppf-blue-dark: #4a90c8;
    --ppf-yellow: #f0e68c;
    --ppf-yellow-hover: #e6dc78;
    --ppf-text: #f0f0f0;
    --ppf-text-light: #d0d0d0;
    --ppf-bg-light: #2a2a2a;
    --ppf-bg-footer: #1a1a1a;
    --ppf-white: #1e1e1e;
    --ppf-border: #505050;
}

[data-theme="dark"] body {
    background-color: #121212;
}

[data-theme="dark"] .header {
    background: #1e1e1e;
    border-bottom-color: #404040;
}

[data-theme="dark"] .logo-text {
    color: #6ab0e8;
}

[data-theme="dark"] th {
    background: #2d4a6a;
}

[data-theme="dark"] tr:hover {
    background: #2a3a4a;
}

[data-theme="dark"] .highlight-box {
    background: linear-gradient(135deg, #1a2a3a 0%, #1a2a1a 100%);
    border-color: #6ab0e8;
}

[data-theme="dark"] .award-badge {
    background: linear-gradient(135deg, #b8860b 0%, #daa520 100%);
}

[data-theme="dark"] .lightbox {
    background: rgba(0, 0, 0, 0.95);
}

/* Dark mode blockquote - higher contrast text */
[data-theme="dark"] blockquote {
    background: #252525;
    color: #e8e8e8;
}

[data-theme="dark"] blockquote em {
    color: #c8c8c8;
}

/* Dark mode profile card quote */
[data-theme="dark"] .profile-card blockquote {
    color: #8bc4f0;
}

/* Dark mode visual-alt text */
[data-theme="dark"] .visual-alt {
    color: #b8b8b8;
}

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

/* Skip to content link - WCAG 2.0 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--ppf-blue);
    color: var(--ppf-white);
    padding: 8px 16px;
    z-index: 1000;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Focus states - WCAG 2.0 keyboard navigation */
a:focus,
button:focus,
.cta-button:focus,
.accordion-header:focus {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

/* Ensure focus is visible on all interactive elements */
:focus-visible {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

body {
    font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--ppf-text);
    background-color: var(--ppf-white);
}

/* Header */
.header {
    background: var(--ppf-white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--ppf-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--ppf-blue);
}

.logo-subtitle {
    font-size: 10px;
    color: var(--ppf-text-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--ppf-text);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 4px; /* WCAG 2.0 touch target padding */
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.nav a:hover,
.nav a:focus {
    color: var(--ppf-blue);
}

/* Breadcrumb */
.breadcrumb {
    background: var(--ppf-bg-light);
    padding: 12px 24px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--ppf-blue);
    text-decoration: none;
    padding: 4px;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--ppf-text-light);
    margin: 0 8px;
}

/* Main Content */
.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* Page Title */
h1 {
    color: var(--ppf-blue);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

/* Meta info */
.meta-info {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--ppf-text-light);
}

.meta-info .tag {
    background: var(--ppf-bg-light);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
}

/* Profile Card */
.profile-card {
    display: flex;
    gap: 24px;
    background: var(--ppf-bg-light);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 32px;
    border-left: 4px solid var(--ppf-yellow);
}

.profile-card img {
    width: 200px;
    height: auto;
    object-fit: cover;
}

.profile-figure {
    margin: 0;
    display: flex;
    flex-direction: column;
}

.profile-caption {
    background: var(--ppf-blue);
    color: var(--ppf-white);
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
}

.profile-caption .visual-alt {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 2px;
}

.profile-card-content {
    padding: 24px;
    flex: 1;
}

.profile-card blockquote {
    color: var(--ppf-blue);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 16px;
    border: none;
    padding: 0;
    background: none;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--ppf-yellow);
    color: #1a1a1a;
    padding: 12px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
    min-height: 44px; /* WCAG 2.0 touch target */
    min-width: 44px;
}

.cta-button:hover,
.cta-button:focus {
    background: var(--ppf-yellow-hover);
}

/* Section styling */
h2 {
    color: var(--ppf-blue);
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--ppf-yellow);
}

h3 {
    color: var(--ppf-blue);
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 16px;
    margin-bottom: 6px;
}

h4 {
    color: var(--ppf-text);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 12px;
    margin-bottom: 4px;
}

p {
    margin-bottom: 8px;
}

strong {
    font-weight: 600;
}

/* Links */
a {
    color: var(--ppf-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 12px 0;
    font-size: 15px;
}

th {
    background: var(--ppf-blue);
    color: var(--ppf-white);
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--ppf-border);
    vertical-align: top;
}

tr:nth-child(even) {
    background: var(--ppf-bg-light);
}

tr:hover {
    background: #eef5fc;
}

/* Table link accessibility */
td a:focus {
    outline: 2px solid var(--ppf-yellow);
    outline-offset: 1px;
}

/* Blockquotes */
blockquote {
    background: var(--ppf-bg-light);
    border-left: 4px solid var(--ppf-yellow);
    padding: 12px 16px;
    margin: 8px 0;
    font-style: italic;
    color: var(--ppf-text-light);
}

blockquote em {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: var(--ppf-text-light);
}

/* Lists */
ul, ol {
    margin: 6px 0;
    padding-left: 24px;
}

li {
    margin-bottom: 2px;
}

/* Highlight box */
.highlight-box {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4e8 100%);
    border: 1px solid var(--ppf-blue);
    border-radius: 8px;
    padding: 14px 18px;
    margin: 12px 0;
}

.highlight-box h3 {
    color: var(--ppf-blue);
    margin-top: 0;
}

/* Award badge */
.award-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ffd700 0%, #ffb800 100%);
    color: var(--ppf-text);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    margin: 8px 0;
}

/* Info cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin: 12px 0;
}

.info-card {
    background: var(--ppf-white);
    border: 1px solid var(--ppf-border);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.info-card h4 {
    color: var(--ppf-blue);
    margin-top: 0;
    margin-bottom: 12px;
}

/* Table of Contents */
.toc {
    background: var(--ppf-bg-light);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 24px 0;
}

.toc h2 {
    margin-top: 0;
    font-size: 1.25rem;
    border-bottom: none;
    padding-bottom: 0;
}

.toc ol {
    columns: 2;
    column-gap: 32px;
    margin-bottom: 0;
}

.toc li {
    margin-bottom: 6px;
}

.toc a {
    color: var(--ppf-blue);
}

@media (max-width: 768px) {
    .toc ol {
        columns: 1;
    }
}

/* Horizontal rule */
hr {
    border: none;
    border-top: 1px solid var(--ppf-border);
    margin: 16px 0;
}

/* Footer */
.footer {
    background: var(--ppf-bg-footer);
    padding: 40px 24px;
    margin-top: 60px;
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
}

.footer h3 {
    color: var(--ppf-blue);
    margin-top: 0;
}

.footer-links {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--ppf-border);
    font-size: 14px;
}

.footer-links a {
    color: var(--ppf-blue);
    padding: 8px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover,
.footer-links a:focus {
    text-decoration: underline;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    color: var(--ppf-text-light);
}

.footer-contact strong {
    color: var(--ppf-blue);
    font-size: 1.1rem;
}

/* Accordion style for expandable sections */
.accordion-header {
    background: var(--ppf-white);
    border: 1px solid var(--ppf-border);
    border-radius: 4px;
    padding: 16px 20px;
    margin: 8px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ppf-blue);
    font-weight: 600;
}

.accordion-header:hover {
    background: var(--ppf-bg-light);
}

/* Image gallery */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.gallery-item {
    background: var(--ppf-white);
    border: 1px solid var(--ppf-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.gallery-item figcaption {
    padding: 12px;
    font-size: 14px;
    color: var(--ppf-text-light);
    background: var(--ppf-bg-light);
}

/* Visual alt-text descriptions */
.visual-alt {
    display: block;
    font-size: 12px;
    color: var(--ppf-text-light);
    font-style: italic;
    margin-top: 4px;
    opacity: 0.8;
}

.full-width-image {
    width: 100%;
    border-radius: 8px;
    margin: 16px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Carousel */
.carousel {
    position: relative;
    max-width: 800px;
    margin: 24px auto;
    overflow: hidden;
    border-radius: 12px;
    background: var(--ppf-bg-light);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.carousel-container {
    overflow: hidden;
    touch-action: pan-y pinch-zoom;
}

.carousel-track {
    display: flex;
    transition: transform 0.4s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.carousel-slide img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    background: var(--ppf-white);
    display: block;
}

.carousel-slide figcaption {
    padding: 16px 20px;
    font-size: 14px;
    color: var(--ppf-text);
    background: var(--ppf-white);
    text-align: center;
    border-top: 1px solid var(--ppf-border);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-80%);
    background: var(--ppf-white);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    color: var(--ppf-blue);
    transition: all 0.2s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--ppf-blue);
    color: var(--ppf-white);
}

.carousel-btn:focus {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

.carousel-btn-prev {
    left: 12px;
}

.carousel-btn-next {
    right: 12px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: var(--ppf-white);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--ppf-blue);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s ease;
}

.carousel-dot:hover {
    background: var(--ppf-blue);
    opacity: 0.5;
}

.carousel-dot.active {
    background: var(--ppf-blue);
}

.carousel-dot:focus {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

/* Carousel responsive */
@media (max-width: 600px) {
    .carousel-slide img {
        height: 250px;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
    }

    .carousel-btn-prev {
        left: 8px;
    }

    .carousel-btn-next {
        right: 8px;
    }
}

/* Disclaimer box */
.disclaimer-box {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-left: 4px solid #ffc107;
    border-radius: 8px;
    padding: 20px 24px;
    margin: 32px 0;
}

.disclaimer-box h4 {
    color: #856404;
    margin: 0 0 12px 0;
    font-size: 16px;
}

.disclaimer-box p {
    color: #856404;
    margin: 8px 0;
    font-size: 14px;
    line-height: 1.6;
}

.disclaimer-box a {
    color: #533f03;
    font-weight: 600;
}

.disclaimer-box a:hover {
    color: #004899;
}

[data-theme="dark"] .disclaimer-box {
    background: #3d3200;
    border-color: #8a7500;
}

[data-theme="dark"] .disclaimer-box h4,
[data-theme="dark"] .disclaimer-box p {
    color: #ffd54f;
}

[data-theme="dark"] .disclaimer-box a {
    color: #ffeb3b;
}

/* Dark mode toggle button */
.dark-mode-toggle {
    background: transparent;
    border: 2px solid var(--ppf-border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ppf-text);
    transition: all 0.3s ease;
}

.dark-mode-toggle:hover {
    background: var(--ppf-bg-light);
    border-color: var(--ppf-blue);
}

.dark-mode-toggle .icon-moon {
    display: none;
}

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

[data-theme="dark"] .dark-mode-toggle .icon-moon {
    display: block;
}

/* Language switch */
.lang-switch {
    background: var(--ppf-blue);
    color: var(--ppf-white) !important;
    padding: 8px 12px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none !important;
    min-height: 44px;
    display: flex;
    align-items: center;
    transition: background 0.2s ease;
}

.lang-switch:hover {
    background: var(--ppf-blue-dark);
}

/* Last updated footer */
.last-updated {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--ppf-border);
    font-size: 13px;
    color: var(--ppf-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.last-updated .separator {
    color: var(--ppf-border);
}

.last-updated a {
    color: var(--ppf-blue);
}

/* TOC always inline above content, scales with page width */
/* No sticky sidebar - TOC stays at top with 2 columns */

/* Sources grid - 3 columns */
.sources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 16px 0;
}

.source-column h4 {
    margin-top: 0;
    margin-bottom: 8px;
}

.source-column ol {
    margin: 0;
    padding-left: 20px;
}

@media (max-width: 900px) {
    .sources-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .sources-grid {
        grid-template-columns: 1fr;
    }
}

/* Print styles - improved */
@media print {
    .header, .breadcrumb, .back-to-top, .reading-progress,
    .dark-mode-toggle, .lang-switch, .skip-link {
        display: none !important;
    }

    .main-content {
        max-width: 100%;
        padding: 20px;
        display: block;
    }

    .toc {
        position: static;
        page-break-after: always;
        background: #f5f5f5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    h2 {
        page-break-after: avoid;
        page-break-before: auto;
    }

    table, .info-card, .gallery-item {
        page-break-inside: avoid;
    }

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

    .footer {
        page-break-before: always;
        background: #e8e8e8 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 12px;
        color: #666;
    }

    a[href^="#"]:after,
    a[href^="mailto"]:after {
        content: "";
    }
}

/* Responsive */
@media (max-width: 768px) {
    .profile-card {
        flex-direction: column;
    }
    .profile-card img {
        width: 100%;
        max-height: 250px;
    }
    .nav {
        display: none;
    }
    .header-right {
        gap: 8px;
    }
    h1 {
        font-size: 1.75rem;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
    .last-updated {
        flex-direction: column;
        align-items: flex-start;
    }
    .last-updated .separator {
        display: none;
    }
}

/* =====================================================
   INTERACTIVE & ANIMATION STYLES
   ===================================================== */

/* Reading progress bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--ppf-blue), var(--ppf-yellow));
    width: 0%;
    z-index: 9999;
    transition: width 0.1s ease-out;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--ppf-blue);
    color: var(--ppf-white);
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 72, 153, 0.3);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--ppf-blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 72, 153, 0.4);
}

.back-to-top:focus {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

/* Scroll animations */
.animate-ready {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays for cards */
.info-card.animate-ready:nth-child(1) { transition-delay: 0s; }
.info-card.animate-ready:nth-child(2) { transition-delay: 0.1s; }
.info-card.animate-ready:nth-child(3) { transition-delay: 0.2s; }
.info-card.animate-ready:nth-child(4) { transition-delay: 0.3s; }
.info-card.animate-ready:nth-child(5) { transition-delay: 0.4s; }
.info-card.animate-ready:nth-child(6) { transition-delay: 0.5s; }

.gallery-item.animate-ready:nth-child(1) { transition-delay: 0s; }
.gallery-item.animate-ready:nth-child(2) { transition-delay: 0.05s; }
.gallery-item.animate-ready:nth-child(3) { transition-delay: 0.1s; }
.gallery-item.animate-ready:nth-child(4) { transition-delay: 0.15s; }
.gallery-item.animate-ready:nth-child(5) { transition-delay: 0.2s; }
.gallery-item.animate-ready:nth-child(6) { transition-delay: 0.25s; }
.gallery-item.animate-ready:nth-child(7) { transition-delay: 0.3s; }
.gallery-item.animate-ready:nth-child(8) { transition-delay: 0.35s; }
.gallery-item.animate-ready:nth-child(9) { transition-delay: 0.4s; }

/* Enhanced table row transitions */
table tbody tr {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Award badge sparkle effect */
.award-badge {
    position: relative;
    overflow: hidden;
}

.award-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: none;
}

.award-badge.sparkle::before {
    animation: sparkle 0.6s ease-out;
}

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

/* Lightbox styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.lightbox-visible {
    opacity: 1;
}

.lightbox.lightbox-closing {
    opacity: 0;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.lightbox-visible img {
    transform: scale(1);
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 70vh;
}

.lightbox-caption {
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 16px 24px;
    border-radius: 8px;
    margin-top: 16px;
    max-width: 800px;
    text-align: center;
}

.lightbox-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: #fff;
}

.lightbox-visual-alt {
    font-size: 14px;
    font-style: italic;
    color: #b0b0b0;
    margin: 0;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--ppf-white);
    background: none;
    border: none;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.lightbox-close:focus {
    outline: 3px solid var(--ppf-yellow);
    outline-offset: 2px;
}

/* Profile card parallax-ready */
.profile-card {
    transition: transform 0.1s ease-out;
    will-change: transform;
}

/* Gallery item hover effects */
.gallery-item {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 72, 153, 0.15);
}

.gallery-item img {
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Info card hover effects */
.info-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 72, 153, 0.12);
}

/* Highlight box pulse animation on hover */
.highlight-box {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-box:hover {
    transform: scale(1.01);
    box-shadow: 0 8px 30px rgba(0, 72, 153, 0.15);
}

/* CTA button enhanced hover */
.cta-button {
    position: relative;
    overflow: hidden;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.cta-button:hover::after {
    width: 300px;
    height: 300px;
}

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

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .animate-ready {
        opacity: 1;
        transform: none;
    }

    .reading-progress {
        transition: none;
    }
}