/* Main Stylesheet for Kunstcollectief Website */

/* ===== Base Styles ===== */
:root {
    /* Color Variables */
    --color-bg-primary: #2F4F4F;
    --color-bg-secondary: #222222;
    --color-accent: #0892D0;
    --color-text-primary: #F5F5F5;
    --color-text-secondary: #D3D3D3;
    
    /* Typography Variables */
    --font-heading: 'Montserrat', sans-serif;
    --font-subheading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-poetry: 'Lato', sans-serif;
    
    /* Spacing Variables */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Animation Variables */
    --transition-slow: 0.5s ease;
    --transition-medium: 0.3s ease;
    --transition-fast: 0.15s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Loading states */
body.loading::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.25);
    backdrop-filter: blur(2px);
    z-index: 2000;
}

body.loading::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 36px;
    height: 36px;
    margin: -18px 0 0 -18px;
    border-radius: 50%;
    border: 3px solid rgba(245,245,245,0.3);
    border-top-color: var(--color-accent);
    animation: spin 0.8s linear infinite;
    z-index: 2001;
}

@keyframes spin { to { transform: rotate(360deg); } }

.content-section[data-loading="true"] .section-inner { opacity: 0.5; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
}

p {
    margin-top: 0;
}

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

a:hover, a:focus {
    color: var(--color-text-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
}

/* ===== Interactive Background ===== */
.interactive-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    opacity: 0.8;
}

/* ===== Header & Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(34, 34, 34, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-medium);
}

.logo-container {
    flex: 0 0 auto;
}

.site-logo {
    font-size: 1.5rem;
    margin: 0;
    color: var(--color-text-primary);
    font-weight: 700;
    letter-spacing: 1px;
}

.fluid-navigation {
    position: relative;
    flex: 0 1 auto;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.nav-items {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    position: relative;
    margin: 0 var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    cursor: pointer;
}

.nav-item span {
    position: relative;
    z-index: 2;
    transition: color var(--transition-fast);
}

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

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

.nav-indicator {
    position: absolute;
    bottom: -5px;
    height: 2px;
    background-color: var(--color-accent);
    transition: all var(--transition-medium);
    opacity: 0;
}

/* ===== Main Content ===== */
.content-container {
    padding-top: 80px;
    min-height: calc(100vh - 200px);
}

.content-section {
    position: relative;
    min-height: calc(100vh - 80px);
    display: none;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.content-section.active {
    display: block;
    opacity: 1;
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
}

.section-intro {
    font-size: 1.2rem;
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
}

/* ===== Home Section ===== */
.hero-content {
    margin-bottom: var(--spacing-xl);
}

.cta-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.cta-button {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-family: var(--font-subheading);
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.cta-button.primary {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
}

.cta-button.primary:hover {
    background-color: #0773a6;
}

.cta-button.secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-secondary);
}

.cta-button.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.featured-content {
    margin-top: var(--spacing-lg);
}

.featured-title {
    font-family: var(--font-subheading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.featured-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.featured-placeholder {
    height: 300px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* ===== Dichters Section ===== */
.horizontal-scroll-container {
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) rgba(255, 255, 255, 0.1);
}

.horizontal-scroll-container::-webkit-scrollbar {
    height: 6px;
}

.horizontal-scroll-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.horizontal-scroll-container::-webkit-scrollbar-thumb {
    background-color: var(--color-accent);
    border-radius: 3px;
}

.poets-grid {
    display: grid;
    grid-template-columns: repeat(10, 300px);
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.poet-placeholder {
    height: 400px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* ===== Kunstwerken Section ===== */
.artwork-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.artwork-placeholder {
    height: 250px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* ===== Nieuws Section ===== */
.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.news-placeholder {
    height: 200px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* ===== Inzenden Section ===== */
.submission-container {
    max-width: 800px;
    margin: 0 auto;
}

.submission-form {
    background-color: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-subheading);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-actions {
    text-align: right;
}

.submit-button {
    padding: 12px 24px;
    background-color: var(--color-accent);
    color: var(--color-text-primary);
    border: none;
    border-radius: 4px;
    font-family: var(--font-subheading);
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.submit-button:hover {
    background-color: #0773a6;
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-md) 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.footer-section h4 {
    font-family: var(--font-subheading);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.copyright {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-md);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===== Context Help ===== */
.context-help {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 90;
}

.help-indicator {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    position: relative;
}

.help-indicator::before {
    content: '?';
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
}

.help-content {
    position: absolute;
    bottom: 50px;
    right: 0;
    width: 300px;
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-medium);
}

.help-indicator:hover + .help-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ===== Responsive Styles ===== */
@media (max-width: 768px) {
    .site-header {
        padding: var(--spacing-xs);
    }
    
    .nav-items {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--spacing-sm);
        border-radius: 4px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }
    
    .nav-items.active {
        display: flex;
    }
    
    .nav-item {
        margin: var(--spacing-xs) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .cta-container {
        flex-direction: column;
    }
    
    .poets-grid {
        grid-template-columns: repeat(10, 250px);
    }
    
    .poet-placeholder {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .featured-items,
    .artwork-gallery,
    .news-container {
        grid-template-columns: 1fr;
    }
    
    .poets-grid {
        grid-template-columns: repeat(10, 200px);
    }
    
    .poet-placeholder {
        height: 300px;
    }
}