:root {
    color-scheme: light;

    /* Marken-Farben */
    --bvsa-green: #669966;
    --bvsa-green-light: #87b987;
    --bvsa-green-dark: #4d7a4d;
    --bvsa-green-rgb: 102, 153, 102;

    /* Oberflächen & Text */
    --text-dark: #2e3d2e;
    --text-muted: #5a6b5a;
    --surface: #ffffff;
    --surface-alt: #f7faf7;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(102, 153, 102, 0.4);

    /* Radius & Schatten (konsistentes Card-System) */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --shadow-sm: 0 2px 10px rgba(46, 61, 46, 0.06);
    --shadow-md: 0 8px 30px rgba(46, 61, 46, 0.12);

    /* Fluide Abstände/Typografie */
    --space-section: clamp(2.5rem, 5vw, 5rem);
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Sichtbarer, konsistenter Fokusring für Tastaturnutzung */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible {
    outline: 3px solid var(--bvsa-green);
    outline-offset: 2px;
    border-radius: 4px;
}

/* 1. Haupt-Navigation (Glass-Effekt) */
html body div.container div.nav-wrapper nav.navbar.glass-nav {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(15px) saturate(150%) !important;
    -webkit-backdrop-filter: blur(15px) saturate(150%) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(var(--bvsa-green-rgb), 0.15), inset 0 0 0 1px rgba(255,255,255,0.5) !important;
    padding: 0 !important;
    position: relative;
    z-index: 1000;
    display: flex;
}

/* 2. Transparenz-Erzwingung für Bootstrap-Container */
html body .nav-wrapper .glass-nav .container-fluid,
html body .nav-wrapper .glass-nav .navbar-collapse,
html body .nav-wrapper .glass-nav .navbar-nav {
    background: transparent !important;
    background-color: transparent !important;
}

.nav-wrapper {
    padding-top: 20px;
    display: flex;
    justify-content: center;
    width: 100%;
}

/* 3. Menü-Links Styling */
.glass-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1.2px;
    padding: 20px 25px !important;
    transition: all 0.3s ease-in-out;
}

.glass-nav .nav-item:not(:last-child) {
    border-right: 1px solid rgba(var(--bvsa-green-rgb), 0.15);
}

/* Hover & Aktiv-Status */
.glass-nav .nav-link:hover {
    color: var(--bvsa-green) !important;
    background: rgba(var(--bvsa-green-rgb), 0.08) !important;
    transform: translateY(-1px);
}

.glass-nav .nav-link.active {
    background: rgba(var(--bvsa-green-rgb), 0.12) !important;
    box-shadow: inset 0 -4px 0 var(--bvsa-green) !important;
    color: var(--bvsa-green) !important;
}

/* 4. Dropdown Styling (Freundliches Grün) */
.glass-nav .dropdown-menu {
    border: 2px solid var(--bvsa-green) !important;
    border-radius: 0 0 8px 8px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
    padding: 0;
    margin-top: 0 !important;
}

.glass-nav .dropdown-item {
    font-weight: 600;
    padding: 12px 20px;
    font-size: 0.85rem;
    color: var(--text-dark) !important;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s;
}

.glass-nav .dropdown-item:hover {
    background-color: var(--bvsa-green) !important;
    color: white !important;
    padding-left: 28px;
}

/* Desktop-Hover Funktionalität */
@media (min-width: 992px) {
    .nav-item.dropdown:hover > .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .dropdown-menu {
        display: block;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease-out;
    }
}

/* 5. Mobile Hamburger Button Korrektur */
.navbar-toggler {
    border-color: var(--glass-border) !important;
    color: var(--bvsa-green) !important;
}

.navbar-toggler-icon {
    filter: sepia(100%) hue-rotate(60deg) saturate(300%); /* Macht das Icon grünlich */
}

/* 6. Logo & Bild-Effekte */
.text-center.my-4 img {
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.1));
    transition: transform 0.3s ease;
}

.text-center.my-4 img:hover {
    transform: scale(1.02);
}

/* 7. Typografie */
h1, h2, h3, h4, h5, h6 {
    font-family: "Playfair Display", Georgia, serif;
    color: var(--text-dark);
}

.blog-post-meta { color: #727272; }

/* 8. Wiederverwendbare Marken-Utilities (einzige Quelle der Wahrheit) */
.bg-bvdgreen { background: var(--bvsa-green); }

.btn-bvdgreen {
    font-weight: 600;
    color: #fff;
    background: var(--bvsa-green);
    border: none;
    transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-bvdgreen:hover,
.btn-bvdgreen:focus-visible {
    color: #fff;
    background: var(--bvsa-green-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Modul-Header (z. B. Intro-Modul in position1) ohne Standard-Abstände */
.module-header .custom {
    margin: 0;
}

/* ========================================== */
/* SEKTIONSTITEL (global für Über uns,        */
/* Partnervereine, Events, Neuigkeiten, ...)  */
/* ========================================== */
.section-title {
    position: relative;
    text-align: center;
    font-weight: 700;
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 64px;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--bvsa-green), var(--bvsa-green-light));
}

/* ========================================== */
/* ÜBER UNS SEKTION                           */
/* ========================================== */
.about-section {
    padding-block: var(--space-section);
}

.intro-card {
    border-color: var(--bvsa-green) !important;
    background: var(--surface);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-card:hover {
    box-shadow: var(--shadow-md);
}

.about-img-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-img-wrapper img {
    display: block;
    transition: transform 0.5s ease;
}

.about-img-wrapper:hover img {
    transform: scale(1.04);
}

/* ========================================== */
/* PARTNERVEREINE SEKTION                     */
/* ========================================== */
.partner-section {
    padding-block: var(--space-section);
}

.partner-item {
    width: 140px;
}

.partner-avatar {
    width: 140px;
    height: 140px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.partner-item:hover .partner-avatar,
.partner-item:focus-within .partner-avatar {
    transform: translateY(-5px);
    border-color: var(--bvsa-green) !important;
    box-shadow: var(--shadow-md);
}

.partner-logo-img {
    max-height: 85px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.partner-item:hover .partner-logo-img,
.partner-item:focus-within .partner-logo-img {
    filter: grayscale(0%) !important;
}

.partner-item-label {
    max-width: 140px;
    line-height: 1.3;
    margin: 0 auto;
}

/* ========================================== */
/* ANSPRECHPARTNER-GALERIE (Über uns)         */
/* ========================================== */
.personen-galerie {
    text-align: center;
}

/* ========================================== */
/* SPONSOREN KARTEN & LAUFBAND STYLING        */
/* ========================================== */

.sponsoren-section {
    padding-block: var(--space-section);
    background: var(--surface-alt);
}

.sponsor-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--surface);
    border: 1px solid #eaeaea;
    position: relative;
}
.sponsor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15) !important;
    border-color: var(--bvsa-green) !important;
}
.sponsor-logo {
    height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
    padding: 10px;
}
.sponsor-card:hover .sponsor-logo,
.sponsor-card:focus-within .sponsor-logo {
    filter: grayscale(0%);
}

.marquee-container {
    overflow: hidden;
    position: relative;
    width: 100%;
    padding: 1rem 0;
}

.marquee-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: scrollMarquee 40s linear infinite;
}

/* Pausieren bei Hover, Touch-Halten UND Tastatur-Fokus */
.marquee-track:hover,
.marquee-track:active,
.marquee-track:focus-within {
    animation-play-state: paused;
}

.sponsor-card-wrapper {
    flex: 0 0 280px;
}

@keyframes scrollMarquee {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - 0.75rem)); }
}

/* Rücksicht auf Nutzer mit Schwindel/Motion Sickness */
@media (prefers-reduced-motion: reduce) {
    .marquee-track {
        animation: none;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
    }
    .marquee-duplicates {
        display: none !important;
    }
}