.intro-section {
    border-bottom: solid 1px rgba(29, 29, 31, 0.5);
}

/* .intro-text-headline / .intro-text-subline: Typo in mkpi-design.css */

/* ============================================
   PORTFOLIO / FILTER NAVIGATION – Segment-Stil
   Pill-Container mit aktiver Selektion
   ============================================ */

.portfolio-navigation ul,
.filter-navigation .nav {
    list-style-type: none;
    margin: 0 auto;
    padding: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.9375rem;
    text-transform: none;
    background-color: var(--mkpi-bg-secondary, #f5f5f7);
    border-radius: 980px;
}

.portfolio-navigation ul li,
.portfolio-navigation ul > li {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.portfolio-navigation .portfolio-link,
.filter-navigation .nav-link {
    text-decoration: none;
    color: var(--mkpi-text-primary, #1d1d1f) !important;
    padding: 8px 20px;
    border: none;
    border-radius: 980px !important;
    transition: all 0.25s ease;
    font-family: var(--mkpi-font, 'Inter', system-ui, sans-serif);
    font-weight: var(--mkpi-weight-medium, 500);
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
    white-space: nowrap;
    cursor: pointer;
    background: transparent;
    position: relative;
}

.portfolio-navigation .portfolio-link:hover,
.filter-navigation .nav-link:hover {
    color: var(--mkpi-text-primary, #1d1d1f) !important;
    background-color: rgba(0, 0, 0, 0.06);
    border: none;
}

.portfolio-navigation .portfolio-link.active,
.filter-navigation .nav-link.active {
    color: var(--mkpi-text-primary-dark) !important;
    background-color: var(--mkpi-bg-dark, #1d1d1f);
    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.portfolio-navigation .portfolio-link.active:hover,
.filter-navigation .nav-link.active:hover {
    color: var(--mkpi-text-primary-dark) !important;
    background-color: #333336;
}

.product-video-section {
    background-color: var(--mkpi-bg-secondary);
}

.product-video-section .section-headline h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-m);
}

.product-video-section .section-headline .subline {
    font-size: 1.2rem;
    color: var(--mkpi-text-secondary);
}

.filter-navigation {
    margin: 20px 0;
}

.filter-item {
    transform-origin: center;
    will-change: transform, opacity;
    opacity: 1;
    transform: scale(1);
}

#product-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 30px;
    min-height: 400px;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    height: 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background: var(--mkpi-bg-primary);
    border-radius: var(--mkpi-radius-sm);
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-title {
    font-size: 1.2rem;
    text-align: center;
    color: var(--mkpi-text-primary);
    margin-top: var(--space-m);
}

@media (max-width: 992px) and (min-width: 769px) {
    .portfolio-navigation ul,
    .filter-navigation .nav {
        gap: 2px;
        padding: 4px;
    }

    .portfolio-navigation .portfolio-link,
    .filter-navigation .nav-link {
        font-size: 0.875rem;
        padding: 7px 16px;
    }
}

@media (max-width: 768px) {
    #portfolio-section .container,
    .portfolio-navigation.col-8,
    .portfolio-navigation>.container {
        width: 100% !important;
        max-width: none !important;
    }

    .portfolio-navigation ul,
    .filter-navigation .nav {
        gap: 2px;
        padding: 4px;
        flex-wrap: wrap;
        justify-content: center;
        border-radius: 20px;
    }

    .portfolio-navigation .portfolio-link,
    .filter-navigation .nav-link {
        font-size: 0.875rem;
        padding: 7px 14px;
    }
}

@media (max-width: 576px) {
    .portfolio-navigation>.container {
        max-width: 95vw !important;
    }

    .portfolio-navigation ul,
    .filter-navigation .nav {
        display: inline-flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 3px;
        padding: 4px;
        border-radius: 16px;
    }

    .portfolio-navigation .portfolio-link,
    .filter-navigation .nav-link {
        padding: 6px 14px;
        font-size: 0.8125rem;
        text-align: center;
    }
}

.price-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    color: var(--mkpi-text-primary-dark);
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: var(--mkpi-weight-semibold);
    font-size: 1rem;
    z-index: 20;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 1;
}

.card-01:hover .price-badge {
    opacity: 0;
    transform: translateY(5px);
}

.hero-button-container {
    display: flex;
    align-items: end;
    justify-content: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.hero-buttons {
    flex-wrap: wrap;
}

.hero-buttons .btn {
    min-width: 140px;
}

/* hero-button-container radius wird jetzt via mkpi-premium.css gesteuert */

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem !important;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}