/**
 * "Weitere Artikel"-Slider (Related Articles)
 * Pfad: /pages/blog-post/assets/related-articles.css
 * Eingebunden über: /pages/blog-post/sections/related-articles.php
 *
 * Bewusst FESTE helle Farben (kein hsl(var(--...))): der Dunkelmodus ist
 * website-weit entfernt, die Sektion darf nie dunkel umschlagen.
 */
.lp-related {
    /* Feste Farbwerte des Light-Themes aus design-system.css */
    --lpr-green: #2eb873;        /* hsl(150 60% 45%) - nur dekorativ/Hintergrund */
    --lpr-green-text: #1e804f;   /* hsl(150 62% 31%) - Grün als TEXT auf Weiß (>=5:1, WCAG AA) */
    --lpr-green-light: #70dba6;  /* hsl(150 60% 65%) */
    --lpr-blue: #0080ff;         /* hsl(210 100% 50%) */
    --lpr-text: #1f2937;
    --lpr-muted: #6b7280;
    --lpr-border: #e5e7eb;
    margin: 2.5rem 0 2.75rem;
}
.lp-related-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.lp-related-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--lpr-green-text);
    margin-bottom: 0.35rem;
}
.lp-related-eyebrow::before {
    content: '';
    width: 1.5rem;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--lpr-green), var(--lpr-green-light));
}
.lp-related-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--lpr-text);
    margin: 0;
}
.lp-related-nav {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}
.lp-related-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 1px solid var(--lpr-border);
    background: #fff;
    color: var(--lpr-text);
    cursor: pointer;
    transition: all 0.25s ease;
}
.lp-related-btn:hover:not(:disabled) {
    background: var(--lpr-green);
    border-color: var(--lpr-green);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -6px rgba(46, 184, 115, 0.5);
}
.lp-related-btn:disabled {
    opacity: 0.35;
    cursor: default;
}
.lp-related-btn svg {
    width: 1.1rem;
    height: 1.1rem;
}

/* Viewport mit Edge-Fades links/rechts */
.lp-related-viewport {
    position: relative;
}
.lp-related-viewport::before,
.lp-related-viewport::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2.5rem;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lp-related-viewport::before {
    left: 0;
    background: linear-gradient(90deg, #fff, transparent);
}
.lp-related-viewport::after {
    right: 0;
    background: linear-gradient(-90deg, #fff, transparent);
}
.lp-related-viewport.lp-fade-left::before { opacity: 1; }
.lp-related-viewport.lp-fade-right::after { opacity: 1; }

/* Scroll-Snap-Track */
.lp-related-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 0.25rem 0.25rem 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}
.lp-related-track::-webkit-scrollbar { display: none; }

/* Karten */
.lp-related-card {
    scroll-snap-align: start;
    flex: 0 0 auto;
    width: min(78vw, 17.5rem);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--lpr-border);
    border-radius: 1rem;
    overflow: hidden;
    text-decoration: none;
    position: relative;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.35s ease,
                border-color 0.35s ease;
    /* Entrance-Animation (wird via IntersectionObserver ausgelöst) */
    opacity: 0;
    transform: translateY(18px);
}
.lp-related-card.lp-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.55s ease var(--lp-delay, 0s),
                transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) var(--lp-delay, 0s),
                box-shadow 0.35s ease,
                border-color 0.35s ease;
}
.lp-related-card.lp-in:hover {
    transform: translateY(-6px);
    border-color: rgba(46, 184, 115, 0.45);
    box-shadow: 0 18px 38px -14px rgba(46, 184, 115, 0.35),
                0 4px 14px -6px rgba(0, 0, 0, 0.12);
}
/* Gradient-Akzentlinie oben, faehrt bei Hover auf */
.lp-related-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--lpr-blue), var(--lpr-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.lp-related-card:hover::after { transform: scaleX(1); }

.lp-related-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f3f4f6;
}
.lp-related-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0;
    border-radius: 0;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.lp-related-card:hover .lp-related-media img { transform: scale(1.07); }
.lp-related-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.35));
    opacity: 0;
    transition: opacity 0.4s ease;
}
.lp-related-card:hover .lp-related-media::after { opacity: 1; }

/* Platzhalter ohne Bild */
.lp-related-media-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--lpr-green), var(--lpr-green-light));
}
.lp-related-media-empty svg {
    width: 2.5rem;
    height: 2.5rem;
    color: rgba(255, 255, 255, 0.85);
}

.lp-related-badge {
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    z-index: 1;
    padding: 0.2rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #fff;
    background: rgba(17, 24, 39, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lp-related-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.1rem 1.1rem;
}
.lp-related-card-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--lpr-text);
    margin: 0 0 0.45rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s ease;
}
.lp-related-card:hover .lp-related-card-title { color: var(--lpr-green-text); }
.lp-related-excerpt {
    font-size: 0.8125rem;
    line-height: 1.55;
    color: var(--lpr-muted);
    margin: 0 0 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.lp-related-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.71875rem;
    color: var(--lpr-muted);
}
.lp-related-meta-info {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.lp-related-meta-info svg {
    width: 0.8rem;
    height: 0.8rem;
    flex-shrink: 0;
}
.lp-related-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
    color: var(--lpr-green-text);
    white-space: nowrap;
}
.lp-related-cta svg {
    width: 0.85rem;
    height: 0.85rem;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.lp-related-card:hover .lp-related-cta svg { transform: translateX(4px); }

/* Scroll-Fortschrittsbalken */
.lp-related-progress {
    height: 3px;
    margin-top: 0.25rem;
    border-radius: 9999px;
    background: var(--lpr-border);
    overflow: hidden;
}
.lp-related-progress-bar {
    height: 100%;
    width: 20%;
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--lpr-green), var(--lpr-green-light));
    transition: width 0.2s ease, transform 0.2s ease;
    transform-origin: left;
}

@media (max-width: 640px) {
    .lp-related-nav { display: none; }
    .lp-related-title { font-size: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
    .lp-related-card,
    .lp-related-card.lp-in,
    .lp-related-media img,
    .lp-related-cta svg,
    .lp-related-btn {
        transition: none !important;
        opacity: 1;
        transform: none !important;
    }
    .lp-related-track { scroll-behavior: auto; }
}