/*
Theme Name: Nieuwsforum
Theme URI: https://nieuwsforum.be
Author: Nieuwsforum
Author URI: https://nieuwsforum.be
Description: Custom WordPress thema voor Vlaamse AI-gedreven nieuwssite. Minimalistisch, snel en professioneel.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nieuwsforum
Tags: news, blog, grid-layout, custom-menu, featured-images, translation-ready
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-bg: #fafafa;
    --color-text: #1a1a2e;
    --color-accent: #e94560;
    --color-secondary: #0f3460;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-white: #ffffff;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Layout */
    --max-width: 1200px;
    --content-width: 720px;
    --header-height: 70px;

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

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.site-logo:hover {
    color: var(--color-text);
}

/* Primary Navigation */
.primary-nav {
    display: none;
}

.primary-nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.primary-nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

.primary-nav a:hover::after,
.primary-nav .current-menu-item a::after {
    width: 100%;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-md);
}

.mobile-nav.is-active {
    display: block;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
}

@media (min-width: 768px) {
    .primary-nav {
        display: block;
    }

    .menu-toggle,
    .mobile-nav {
        display: none !important;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    max-height: 600px;
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0) 100%);
}

.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xl);
    color: var(--color-white);
}

.hero-content .container {
    padding: 0;
}

.hero .category-label {
    background: var(--color-accent);
    color: var(--color-white);
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--color-white);
    margin: var(--spacing-md) 0;
    max-width: 800px;
}

.hero-title a {
    color: var(--color-white);
}

.hero-title a:hover {
    color: var(--color-gray-200);
}

.hero-excerpt {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin-bottom: var(--spacing-md);
    display: none;
}

.hero-meta {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

@media (min-width: 768px) {
    .hero {
        height: 70vh;
        max-height: 700px;
    }

    .hero-content {
        padding: var(--spacing-3xl);
    }

    .hero-excerpt {
        display: block;
    }
}

/* ==========================================================================
   Category Label
   ========================================================================== */

.category-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 2px;
}

.category-label a {
    color: inherit;
}

.category-label a:hover {
    color: inherit;
    opacity: 0.9;
}

/* ==========================================================================
   Article Grid
   ========================================================================== */

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-text);
    display: inline-block;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .article-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Article Card */
.article-card {
    display: flex;
    flex-direction: column;
}

.article-card-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border-radius: 4px;
}

.article-card-image img,
.article-card-image .placeholder-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.placeholder-image {
    background: var(--color-gray-200);
    position: absolute;
    inset: 0;
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-image .category-label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
}

.article-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-title {
    font-size: 1.1rem;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

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

.article-card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    margin-top: auto;
}

/* ==========================================================================
   Category Sections (Homepage)
   ========================================================================== */

.category-section {
    margin-bottom: var(--spacing-3xl);
}

.category-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
}

.category-section-title {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 600;
}

.category-section-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-accent);
}

.category-section-link:hover {
    text-decoration: underline;
}

.category-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .category-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .category-row {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Smaller cards for category rows */
.category-row .article-card-title {
    font-size: 1rem;
}

.category-row .article-card-excerpt {
    display: none;
}

/* ==========================================================================
   Single Article
   ========================================================================== */

.single-article {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.article-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.article-header .category-label {
    margin-bottom: var(--spacing-md);
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

.article-meta span:not(:last-child)::after {
    content: '•';
    margin: 0 var(--spacing-sm);
}

.article-featured-image {
    margin-bottom: var(--spacing-2xl);
}

.article-featured-image img {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    border-radius: 4px;
}

/* Article Content */
.article-content {
    max-width: var(--content-width);
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.75rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    font-size: 1.375rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content p {
    margin-bottom: var(--spacing-lg);
}

.article-content a {
    color: var(--color-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content a:hover {
    color: var(--color-accent);
}

.article-content blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    padding-left: var(--spacing-xl);
    border-left: 4px solid var(--color-accent);
    background: var(--color-gray-100);
    font-style: italic;
    font-size: 1.2rem;
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.article-content ul {
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: var(--spacing-sm);
}

.article-content strong {
    font-weight: 600;
}

.article-content img {
    margin: var(--spacing-xl) 0;
    border-radius: 4px;
}

.article-content figure {
    margin: var(--spacing-xl) 0;
}

.article-content figcaption {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Related Articles
   ========================================================================== */

.related-articles {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-gray-200);
}

.related-articles-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* ==========================================================================
   Archive Page
   ========================================================================== */

.archive-header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-xl);
    background: var(--color-gray-100);
}

.archive-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.archive-description {
    font-size: 1.1rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-sm);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    border: 1px solid var(--color-gray-200);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination .current {
    background: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.875rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
}

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

.footer-copyright {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.5);
}

@media (min-width: 768px) {
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .footer-copyright {
        order: -1;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.no-posts-message {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-gray-500);
}