/* Grundlegende Stile & Variablen */
:root {
    --primary-color: #000;
    --secondary-color: #f0dd09;
    --accent-color: #e5f509;
    --light-color: #f8f5f0;
    --dark-color: #333;
    --gray-color: #777;
    --button-color: #1a02f6; 
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--dark-color);
    line-height: 1.6;
    background-color: var(--light-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 10px auto;
    border-radius: 2px;
}

h3 {
    font-size: 1.6rem;
    color: var(--secondary-color);
}

p {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-color);
    color: black;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn:hover {
    background-color: #f0fc03;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #1e4a6e;
}

.btn-accent {
    background-color: var(--accent-color);
    color: var(--dark-color);
}

.btn-accent:hover {
    background-color: #fafe0a;
}

/* Header & Navigation */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo-image {
    height: 60px;
    width: auto;
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-weight: 600;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover:after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://kulturverein-holm.org/wp-content/uploads/2024/10/Header_Infomail_KulturvereinHolm_Oktober_2024.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 180px 0 100px;
    margin-top: 70px;
}

.hero h1 {
    color: white;
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Veranstaltungsbereich (Modern & Einspaltig) */
.events-modern {
    padding: 80px 0;
    background-color: #fff;
}

.events-modern .container {
    max-width: 800px;
}

.events-modern .subtitle {
    text-align: center;
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.events-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.event-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 3px solid #e8d254;
    position: relative;
    display: flex;
    width: 100%;
}

.event-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #d6a32c;
}

.event-date {
    background: #f8f5f0;
    padding: 25px 30px;
    text-align: center;
    border-right: 2px solid #e8b954;
    min-width: 130px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.event-day {
    font-size: 3.2rem;
    font-weight: 800;
    color: #8a2c2c;
    line-height: 1;
}

.event-month {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    text-transform: uppercase;
    margin-top: 5px;
}

.event-year {
    font-size: 0.95rem;
    color: #000;
}

.event-details {
    padding: 25px 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.event-title {
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 10px;
    font-weight: 700;
}

.event-location, .event-time {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #555;
    margin-bottom: 8px;
}

.event-location i, .event-time i {
    color: #8a2c2c;
    width: 20px;
}

.event-button {
    display: inline-block;
    background-color: #25D366;
    color: black;
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 12px;
    align-self: flex-start;
}

.event-button:hover {
    background-color: #f6fe06;
    transform: translateY(-2px);
}

.event-card.hidden { display: none !important; }

/* Über uns Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text { flex: 1; }

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    display: block;
    transition: var(--transition);
}

.about-image:hover img { transform: scale(1.03); }

.highlight-box {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-top: 30px;
    border-left: 5px solid var(--accent-color);
}

/* Gruppen Section */
.groups-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.group-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.group-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 20px;
}

.group-header h3 {
    margin: 0;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.group-content { padding: 25px; }

.group-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--button-color);
    font-weight: 600;
    margin-top: 15px;
}

/* Vorstand Section */
.board-section { background-color: #f0f0f0; }

.board-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.board-member {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.member-icon {
    width: 120px;
    height: 120px;
    background-color: #f0f0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    overflow: hidden;
}

.member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.board-member:hover .member-photo { transform: scale(1.05); }

.position {
    color: var(--gray-color);
    font-weight: 600;
}

/* Newsletter & WhatsApp */
.newsletter {
    text-align: center;
    background-color: var(--secondary-color);
    color: white;
}

.whatsapp-cta {
    background-color: #25D366;
    color: white;
    margin-top: 40px;
    padding: 25px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.whatsapp-content {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.logo-image-footer {
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    margin-top: 40px;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-content, .whatsapp-cta { flex-direction: column; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px 0;
    }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }
    .event-card { flex-direction: column; }
    .event-date { border-right: none; border-bottom: 2px solid #e8b954; }
}