/* --- Grundlegende Einstellungen & Variablen --- */
:root {
    --primary-color: #01428e;
    --secondary-color: #080a0aff;
    --accent-color: #ee9b00;
    --light-bg: #f8f9fa;
    --dark-text: #343a40;
    --light-text: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.4s; /* Etwas langsamer für den Header-Effekt */
    --header-height: 70px;
    
    /* Dance type colors (matching the calendar entry colors) */
    --square-dance-color: #3498db;
    --round-dance-color: #e74c3c;
    --special-event-color: #ee9b00; /* Same as accent-color */
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--dark-text);
    line-height: 1.7;
    background-color: var(--light-text);
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
    line-height: 1.3;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 2rem; }
h3 { font-size: 1.4rem; color: var(--secondary-color); margin-bottom: 0.8rem;}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

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

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

/* --- Header & Navigation --- */
.site-header {
    /* Initial komplett versteckt */
    opacity: 0;
    transform: translateY(-100%); /* Nach oben aus dem Bild schieben */
    visibility: hidden; /* Verhindert Interaktion im versteckten Zustand */
    background-color: rgba(255, 255, 255, 0.97); /* Hintergrund schon definieren */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* Schatten schon definieren */

    padding: 0.5rem 0;
    position: fixed;
    width: 100%;
    height: var(--header-height);
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    align-items: center;

    /* Übergang für sanftes Ein-/Ausblenden und Verschieben */
    transition: opacity var(--transition-speed) ease,
                transform var(--transition-speed) ease,
                visibility var(--transition-speed) ease;
}

/* Sichtbarer Zustand des Headers (wird per JS hinzugefügt) */
.site-header.visible {
    opacity: 1;
    transform: translateY(0); /* An die ursprüngliche Position schieben */
    visibility: visible;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 0 5%;
}

.logo {
    height: 50px;
    width: auto;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

/* Links im sichtbaren Header haben normale Farbe */
.site-header.visible .main-nav a {
    color: var(--primary-color);
    text-shadow: none; /* Kein Textschatten im sichtbaren Zustand */
}
.site-header.visible .main-nav a:hover,
.site-header.visible .main-nav a:focus {
     color: var(--secondary-color);
}
.site-header.visible .main-nav a:hover::after,
.site-header.visible .main-nav a:focus::after {
    width: 100%;
}


.main-nav a {
    color: var(--primary-color); /* Standardfarbe für Links */
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
    text-decoration: none;
    transition: color var(--transition-speed) ease; /* Nur Farbtransition hier */
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    transition: width var(--transition-speed) ease;
}

.menu-toggle {
    display: none; /* Wird über Media Query aktiviert */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color); /* Standardfarbe */
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
    border-radius: 3px;
}

/* --- Hero Section --- */
.hero-section {
    height: 100vh;
    background: url('/images/cover.png') no-repeat center center/cover;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    /* Kein Padding-Top mehr nötig, da Header initial weg ist */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(1, 66, 142, 0.27);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem; /* Normales Padding */
    animation: fadeInDown 1s ease-out;
}

.hero-content h1 {
    color: var(--light-text);
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 900;
    text-shadow: 2px 1px 2px rgba(9, 0, 136, 0.8);
}

/* --- Wrapper für Hauptinhalt --- */
.main-content-wrapper {
    position: relative;
    z-index: 5; /* Liegt über dem fixierten Hintergrund */
    background-color: #ffffff;
}

/* --- Buttons --- */
.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed) ease;
    border: 2px solid var(--accent-color);
    cursor: pointer;
}

.cta-button:hover, .cta-button:focus {
    background-color: transparent;
    color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.cta-section .cta-button.secondary {
    background-color: var(--light-text);
    color: var(--primary-color);
    border-color: var(--light-text);
}

.cta-section .cta-button.secondary:hover,
.cta-section .cta-button.secondary:focus {
    background-color: transparent;
    color: var(--light-text);
    border-color: var(--light-text);
}

/* --- Content Sections --- */
.content-section {
    padding: 5rem 0;
}

.alt-bg {
    background-color: var(--light-bg);
}

.content-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* Fade-in Animation beim Scrollen */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Features Grid (Added for About Section) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(1, 66, 142, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-box h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-box p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --- Dance Styles Section --- */
.dance-styles-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.dance-style-card {
    background-color: var(--light-text);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-top var(--transition-speed) ease, background-color var(--transition-speed) ease;
    border-top: 4px solid transparent;
}

/* Updated dance style cards to match calendar entry colors */
.dance-style-card.square-dance {
    border-top-color: var(--square-dance-color);
}

.dance-style-card.square-dance h3 {
    color: var(--square-dance-color);
}

.dance-style-card.round-dance {
    border-top-color: var(--round-dance-color);
}

.dance-style-card.round-dance h3 {
    color: var(--round-dance-color);
}

.dance-style-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.dance-style-card.square-dance:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

.dance-style-card.round-dance:hover {
    background-color: rgba(231, 76, 60, 0.05);
}

/* --- Schedule/Calendar Section --- */
#calendar-container {
    margin-top: 2rem;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.calendar-entry {
    border-left: 5px solid #eee; /* Default-Rand für Farbe */
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 120px 1fr; /* Feste Breite für Datum/Zeit */
    gap: 1rem 1.5rem;
    align-items: start;
    border-radius: var(--border-radius);
    background-color: #fdfdfd;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

/* Added hover effect to calendar entries */
.calendar-entry:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    background-color: #ffffff;
}

.calendar-entry:last-child {
    margin-bottom: 0;
}

/* Farbliche Kennzeichnung */
.calendar-entry.event-type-square { border-left-color: #3498db; }
.calendar-entry.event-type-round { border-left-color: #e74c3c; }
.calendar-entry.event-type-special { border-left-color: var(--accent-color); }
.calendar-entry.event-type-other { border-left-color: #95a5a6; }

.calendar-entry.event-type-square h4 { color: #3498db; }
.calendar-entry.event-type-round h4 { color: #e74c3c; }
.calendar-entry.event-type-special h4 { color: var(--accent-color); }
.calendar-entry.event-type-other h4 { color: var(--primary-color); }

.calendar-date-time {
    font-weight: 600;
    color: var(--primary-color);
    padding-top: 0.2rem;
}
.calendar-date-time .date { display: block; font-size: 1rem; font-weight: 700;}
.calendar-date-time .time { display: block; font-size: 0.9rem; color: var(--secondary-color);}

.calendar-details h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
    font-weight: 600;
}
.calendar-details span {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
    color: var(--dark-text);
}
.calendar-details .label {
    font-weight: 600;
    color: var(--secondary-color);
    margin-right: 0.5em;
}
.calendar-details .extras {
    font-style: italic;
    color: #6c757d;
    margin-top: 0.5rem;
}

/* --- Call to Action Section ("Lust mitzutanzen?") --- */
.cta-section {
    background-color: var(--primary-color);
    color: var(--light-text);
    text-align: center;
}

.cta-section h2 {
    color: var(--light-text);
}
.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* --- Contact Section --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info p {
    margin-bottom: 1.5rem;
}
.contact-info strong {
    color: var(--primary-color);
}
.contact-map iframe {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    min-height: 300px;
}
.contact-map p {
    font-style: italic;
    text-align: center;
    margin-bottom: 1rem;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--dark-text);
    color: rgba(255, 255, 255, 0.7);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
}

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

/* --- Modal Styles --- */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: block;
    opacity: 1;
}

.modal-content {
    position: relative;
    background-color: var(--light-text);
    margin: 10vh auto;
    padding: 2rem;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: var(--dark-text);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-body {
    margin-top: 1rem;
}

.modal h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-bg);
    text-align: left;
}

.modal h3 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.modal p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.modal p:last-child {
    margin-bottom: 0.5rem;
}

/* --- Animation Keyframes --- */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    /* Header bleibt initial versteckt, .visible Klasse steuert das Erscheinen */

    /* Mobile Nav wird absolut positioniert, relativ zum Header (.site-header) */
    .main-nav {
        position: absolute;
        top: var(--header-height); /* Direkt unter dem sichtbaren Header */
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-out;
        box-shadow: 0 5px 10px rgba(0,0,0,0.05);
    }
    /* Wenn Mobile Nav aktiv (durch Klick auf Burger) */
    .main-nav.active {
       max-height: 500px; /* Ausreichend Höhe */
    }
    .main-nav ul { flex-direction: column; padding: 1rem 0; gap: 0; }
    .main-nav li { text-align: center; }
    .main-nav a { display: block; padding: 1rem; border-bottom: 1px solid #eee; }
    .main-nav a::after { display: none; } /* Kein Unterstrich im Mobile Menü */
    .main-nav li:last-child a { border-bottom: none; }

    .menu-toggle { display: block; } /* Burger immer anzeigen auf Mobile */

    /* Burger-Animation im sichtbaren Zustand */
    .site-header.visible .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .site-header.visible .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .site-header.visible .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

    .hero-section {
         background-attachment: scroll; /* Kein fixed background auf Mobile */
         height: 70vh; /* Angepasste Höhe */
         min-height: 450px;
         background-position: center 20%; /* Besserer Bildausschnitt */
         /* Kein Padding-Top mehr nötig, da Header initial weg ist */
         padding-top: 0;
         display: flex;
         align-items: center;
         justify-content: center;
    }
    .hero-content {
        padding-top: 2rem; /* Standard Padding wiederherstellen */
    }

    .content-section {
        padding: 3rem 0;
    }

    .features-grid,
    .dance-styles-container,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .calendar-entry {
        grid-template-columns: 1fr; /* Stapeln */
        padding-left: 1rem;
        padding-right: 1rem;
        border-left-width: 4px;
    }
    .calendar-date-time {
       grid-row: 1;
       margin-bottom: 0.5rem;
       padding-top: 0;
    }
    .calendar-details {
         grid-row: 2;
    }

    .contact-info {
        text-align: center;
    }

    /* Modal responsive styles */
    .modal-content {
        width: 95%;
        margin: 5vh auto;
        padding: 1.5rem;
        max-height: 90vh;
    }

    .close-modal {
        top: 0.8rem;
        right: 1.2rem;
    }
}

/* Feinabstimmung für sehr kleine Bildschirme */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    .hero-content p { font-size: 1rem; }
    .calendar-entry { padding: 1rem 0.8rem; }
    
    /* Even smaller modal on tiny screens */
    .modal-content {
        padding: 1rem;
        margin: 3vh auto;
    }
}

.calendar-date-time {
    font-weight: 600;
    color: var(--primary-color);
    padding-top: 0.2rem;
}
.calendar-date-time .weekday {
    display: inline-block;
    font-size: 1rem;
    font-weight: 700;
    background-color: rgba(1, 66, 142, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    padding: 1px 6px;
    margin-bottom: 0.3rem;
}
.calendar-date-time .date { display: block; font-size: 1rem; font-weight: 700;}
.calendar-date-time .time { display: block; font-size: 0.9rem; color: var(--secondary-color);}