/* Root Variables - VINC Colors */
:root {
    --primary-color: #018bb3;      /* VINC donkerblauw */
    --secondary-color: #87bfb4;    /* VINC blauw-groen */
    --accent-color: #e3a51a;       /* VINC geel */
    --vinc-red: #d8232a;           /* VINC rood (used sparingly) */
    --text-dark: #2C3E50;
    --text-light: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    font-size: 18px;
    background-color: var(--bg-white);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover,
a:focus {
    color: var(--secondary-color);
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Header & Navigation */
#header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
}

.navbar {
    padding: 1rem 0;
    background-color: rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo h1 {
    margin: 0;
    color: var(--text-light);
    font-size: 1.8rem;
}

.logo-image {
    height: 78px;
    display: flex;
    align-items: center;
}

.logo-image img {
    height: 100%;
    width: auto;
    object-fit: contain;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: 8px;
}

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

.nav-menu a {
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a:focus {
    background-color: rgba(255, 255, 255, 0.2);
    outline: 2px solid var(--text-light);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 2.8rem 0;
}

.hero h2 {
    font-size: 1.75rem;
    color: var(--text-light);
    margin-bottom: 0.7rem;
}

.hero p {
    font-size: 0.91rem;
    margin-bottom: 1.4rem;
    color: var(--text-light);
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: 0.7rem 1.75rem;
    font-size: 0.84rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.cta-button:hover,
.cta-button:focus {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--text-light);
    outline: none;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section:nth-child(even) {
    background-color: var(--bg-light);
}

.section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    color: var(--secondary-color);
    margin-top: 2rem;
}

.placeholder-image {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 15px;
    padding: 4rem;
    text-align: center;
    font-size: 8rem;
    box-shadow: var(--shadow);
}

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

.activity-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 3px solid transparent;
}

.activity-card:hover,
.activity-card:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.activity-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.activity-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Events Section */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.event-card {
    background-color: var(--bg-white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    display: flex;
    flex-direction: row;
}

.event-card:hover,
.event-card:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.event-date {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 100px;
}

.event-day {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1;
}

.event-month {
    font-size: 1.2rem;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.event-content {
    padding: 1.5rem;
    flex: 1;
}

.event-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.event-meta {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.8;
}

.event-description {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.event-category,
.event-age {
    display: inline-block;
    background-color: var(--bg-light);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.event-participants {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.loading-message,
.no-events {
    text-align: center;
    padding: 3rem;
    color: var(--text-dark);
    font-size: 1.1rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-content-centered {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
}

.contact-info-centered {
    max-width: 1000px;
    width: 100%;
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
    border: 2px solid var(--border-color);
}

.contact-info-centered h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    text-align: center;
}

.contact-info-centered > p {
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.contact-info-centered .info-item {
    display: inline-block;
    width: 46%;
    margin: 0.5rem 2%;
    vertical-align: top;
    text-align: left;
}

.contact-info h3,
.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.info-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.info-item p {
    margin: 0;
}

#contact-hours {
    line-height: 1.8;
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.submit-button:hover,
.submit-button:focus {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
    outline: none;
}

/* Footer */
#footer {
    background-color: var(--text-dark);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-section p {
    margin: 0;
    line-height: 1.8;
}

.footer-section a {
    color: var(--text-light);
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.social-links a {
    display: inline-block;
    padding: 0.3rem 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .logo-image {
        height: 65px;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info-centered {
        padding: 2rem 1.5rem;
    }

    .contact-info-centered .info-item {
        width: 100%;
        margin: 0.5rem 0;
        text-align: center;
    }

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

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

    .event-card {
        flex-direction: column;
    }

    .event-date {
        flex-direction: row;
        min-width: auto;
        justify-content: flex-start;
        gap: 1rem;
    }

    .placeholder-image {
        padding: 2rem;
        font-size: 5rem;
    }

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

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

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066CC;
        --secondary-color: #00AA00;
        --text-dark: #000000;
    }

    .activity-card,
    .info-item {
        border: 2px solid var(--text-dark);
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

/* PDF Section Styles */
.pdf-section {
    min-height: auto;
    padding-bottom: 2rem;
}

.pdf-viewer-container {
    background-color: var(--bg-light);
    border-radius: 10px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pdf-loading {
    text-align: center;
    padding: 3rem;
    font-size: 1.2rem;
    color: var(--text-dark);
}

.pdf-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 800px;
}

.pdf-page-info {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    min-width: 160px;
    text-align: center;
}

.pdf-nav-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(216, 35, 42, 0.3);
    text-transform: none;
}

.pdf-nav-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(216, 35, 42, 0.4);
}

.pdf-nav-btn:active:not(:disabled) {
    transform: translateY(0);
}

.pdf-nav-btn:disabled {
    background: linear-gradient(135deg, #cccccc 0%, #aaaaaa 100%);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

.pdf-canvas {
    display: block;
    width: auto !important;
    height: auto !important;
    max-width: 100%;
    max-height: calc(100vh - 300px);
    margin: 0 auto;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background-color: white;
    object-fit: contain;
    cursor: zoom-in;
    transition: all 0.3s ease;
}

.pdf-canvas:hover {
    box-shadow: 0 6px 16px rgba(216, 35, 42, 0.3);
    transform: scale(1.02);
    border-color: var(--primary-color);
}

/* Social Media Buttons in Contact Section */
.social-links-contact {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.social-links-contact h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.social-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.social-btn.facebook {
    background-color: #1877f2;
}

.social-btn.facebook:hover {
    background-color: #1865d1;
    outline-color: #1877f2;
}

.social-btn.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-btn.instagram:hover {
    opacity: 0.9;
    outline-color: #dc2743;
}

/* PDF Modal Styles */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.pdf-modal-content {
    position: relative;
    width: 95%;
    max-width: 1400px;
    height: 95vh;
    background-color: var(--bg-light);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 10000;
}

.pdf-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    z-index: 10001;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(216, 35, 42, 0.4);
}

.pdf-modal-close:hover {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 4px 12px rgba(216, 35, 42, 0.6);
}

.pdf-modal-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.pdf-nav-btn-small {
    padding: 0.5rem 1rem !important;
    font-size: 0.95rem !important;
}

.pdf-page-info-small {
    font-size: 0.95rem !important;
    min-width: 150px !important;
}

.pdf-modal-canvas-container {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background-color: #e9ecef;
}

.pdf-canvas-modal {
    display: block;
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    background-color: white;
    cursor: zoom-in;
    transition: all 0.3s ease;
}

.pdf-canvas-modal:hover {
    box-shadow: 0 8px 24px rgba(216, 35, 42, 0.3);
    border-color: var(--primary-color);
}

.pdf-canvas-modal.zoomed {
    cursor: zoom-out;
    max-width: none;
    max-height: none;
    width: auto;
    height: auto;
}

/* Submit Button Styles - Match Vinc Housestyle */
.submit-btn,
.submit-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(216, 35, 42, 0.3);
    width: 100%;
    margin-top: 1rem;
}

.submit-btn:hover,
.submit-btn:focus,
.submit-button:hover,
.submit-button:focus {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(216, 35, 42, 0.4);
    outline: none;
}

.submit-btn:active,
.submit-button:active {
    transform: translateY(0);
}

/* Form Status Messages */
.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

/* Responsive adjustments for PDF viewer */
@media (max-width: 768px) {
    .pdf-viewer-container {
        padding: 1rem;
    }

    .pdf-controls {
        flex-direction: column;
        gap: 1rem;
    }

    .pdf-nav-btn {
        width: 100%;
        max-width: 250px;
    }

    .social-buttons {
        flex-direction: column;
    }

    .social-btn {
        width: 100%;
        max-width: 250px;
    }

    /* Modal responsive styles */
    .pdf-modal-content {
        width: 95%;
        height: 95vh;
    }

    .pdf-modal-controls {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .pdf-modal-header {
        padding: 1rem;
    }

    .pdf-modal-header h3 {
        font-size: 1.2rem;
        padding-right: 50px;
    }

    .pdf-modal-canvas-container {
        padding: 1rem;
    }

    .pdf-modal-close {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}