/* ===================================
   Mobile-First CSS für Sickingenstraße
   1892-Design
   =================================== */

/* Reset und Basis-Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS-Variablen für konsistente Werte */
:root {
    /* Farben abgeleitet von 1892.de */
    --primary-color: #0675a9;      /* 1892 Hauptblau */
    --primary-dark: #0073aa;       /* Dunkleres Blau für Hover */
    --secondary-color: #0693e3;    /* Helleres Blau für Akzente */
    --accent-color: #00d084;       /* Grün-Cyan für besondere Hervorhebungen */
    
    /* Neutrale Farben */
    --text-color: #3c3c3c;         /* Dunkelgrau für Text */
    --text-light: #666;            /* Helleres Grau */
    --bg-color: #f1f1f1;           /* Heller Hintergrund */
    --bg-light: #f8f9fa;           /* Sehr heller Hintergrund */
    --white: #ffffff;
    --black: #000000;
    
    /* Footer Farben */
    --footer-bg: #2c3e50;
    --footer-bg-dark: #1a252f;
    
    /* Abstände */
    --spacing-small: 0.5rem;
    --spacing-medium: 1rem;
    --spacing-large: 2rem;
    --max-width: 1200px;
}

/* ===================================
   MOBILE FIRST - Basis-Styles
   =================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-medium);
}

/* ===================================
   HEADER - Mobile First
   =================================== */

.header-1892 {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Header Top */
.header-top {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.875rem;
}

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

.header-info span {
    display: block;
    margin: 2px 0;
}

/* Logo Section */
.logo-section {
    padding: var(--spacing-medium) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.logo small {
    display: block;
    font-size: 0.75rem;
    font-weight: normal;
    color: var(--text-light);
}

/* Mobile Toggle */
.mobile-toggle {
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 4px 0;
    transition: 0.3s;
}

/* Navigation - Mobile */
.main-nav-1892 {
    background: var(--bg-light);
    border-top: 1px solid #e0e0e0;
    border-bottom: 3px solid var(--primary-color);
    position: relative;
}

.nav-list-1892 {
    display: none;
    list-style: none;
    margin: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-list-1892.active {
    display: block;
}

.nav-item {
    position: relative;
    border-bottom: 1px solid var(--bg-color);
}

.nav-item > a {
    display: block;
    padding: var(--spacing-medium);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.nav-item:hover > a,
.nav-item.active > a {
    color: var(--primary-color);
    background: rgba(6, 117, 169, 0.05);
}

/* Dropdown - Mobile */
.dropdown {
    display: none;
    background: var(--bg-light);
}

.nav-item.show-dropdown .dropdown {
    display: block;
}

.dropdown a {
    display: block;
    padding: var(--spacing-small) var(--spacing-medium) var(--spacing-small) calc(var(--spacing-medium) * 2);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.dropdown a:hover {
    color: var(--primary-color);
    background: rgba(6, 117, 169, 0.05);
}

/* ===================================
   MAIN CONTENT - Mobile
   =================================== */

main {
    flex: 1;
    padding: 0 0 var(--spacing-large) 0;
}

/* Hero Section */
.hero {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-large) 0;
    text-align: center;
    margin-bottom: 0;
    margin-top: 0;
}

.hero h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-medium);
}

/* Page Header */
.page-header {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-large) 0;
    margin-bottom: 0;
    margin-top: 0;
}

.page-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-small);
}

.page-description {
    font-size: 1rem;
    opacity: 0.9;
}

/* Content Sections */
.content-section {
    background-color: var(--white);
    padding: var(--spacing-large);
    margin-bottom: var(--spacing-medium);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.content-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-medium);
    color: var(--primary-color);
}

/* Cards */
.card-grid {
    display: grid;
    gap: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
}

.card {
    background-color: var(--white);
    padding: var(--spacing-medium);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border: 1px solid #e0e0e0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-small);
}

/* Links */
.card-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: var(--spacing-small);
    transition: color 0.3s;
}

.card-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Ganze Karte klickbar */
.card-link-wrapper {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-link-wrapper:hover .card {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.card-link-wrapper .card-link {
    text-decoration: none;
}

.card-link-wrapper:hover .card-link {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-small) var(--spacing-medium);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

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

/* Info Boxes */
.info-box {
    background-color: #e3f2fd;
    border-left: 4px solid var(--secondary-color);
    padding: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
    border-radius: 4px;
}

.highlight-box {
    background-color: var(--bg-color);
    padding: var(--spacing-medium);
    margin: var(--spacing-large) 0;
    text-align: left;
    border-radius: 8px;
}

.warning-box {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
    border-radius: 4px;
}

/* Listen */
ul, ol {
    margin-left: 0;
    padding-left: 1.5em;
    margin-top: var(--spacing-small);
    margin-bottom: var(--spacing-medium);
}

li {
    margin-bottom: var(--spacing-small);
}

/* Letztes List-Element ohne Bottom-Margin */
li:last-child {
    margin-bottom: 0;
}

/* Listen innerhalb von Content-Bereichen */
.content-section ul,
.content-section ol,
.info-box ul,
.info-box ol {
    list-style-position: inside;
    padding-left: 0;
}

.content-section li,
.info-box li {
    padding-left: 0.5em;
    text-indent: -0.5em;
    margin-left: 1.5em;
}

/* Tabellen */
.table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-medium) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

table th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
    text-align: left;
    padding: var(--spacing-small) var(--spacing-medium);
}

table td {
    padding: var(--spacing-small) var(--spacing-medium);
    border-bottom: 1px solid #e0e0e0;
}

table tr:last-child td {
    border-bottom: none;
}

table tr:nth-child(even) {
    background-color: var(--bg-color);
}

/* ===================================
   FOOTER - Mobile First
   =================================== */

.footer-1892 {
    background: var(--footer-bg);
    color: var(--white);
    margin-top: auto;
}

.footer-main {
    padding: var(--spacing-large) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-large);
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-medium);
    font-weight: 600;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-small);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-small);
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(3px);
}

.footer-link-1892 {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: var(--spacing-small);
    transition: all 0.3s;
}

.footer-link-1892:hover {
    color: var(--white);
    transform: translateX(5px);
}

.footer-hint {
    font-size: 0.9rem;
    font-style: italic;
    color: rgba(255,255,255,0.6);
}

/* Footer Bottom */
.footer-bottom {
    background: var(--footer-bg-dark);
    padding: var(--spacing-medium) 0;
}

.footer-bottom-content {
    text-align: center;
}

.footer-legal {
    margin-bottom: var(--spacing-small);
}

.footer-legal a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-legal a:hover {
    color: var(--secondary-color);
}

.separator {
    color: rgba(255,255,255,0.4);
    margin: 0 10px;
}

.footer-copyright {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* ===================================
   TABLET (768px+)
   =================================== */
@media (min-width: 768px) {
    /* Container */
    .container {
        padding: 0 var(--spacing-large);
    }
    
    /* Header */
    .header-info {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .header-info span {
        display: inline;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .logo small {
        font-size: 0.8rem;
    }
    
    /* Navigation Desktop */
    .mobile-toggle {
        display: none;
    }
    
    .nav-list-1892 {
        display: flex;
        position: static;
        background: transparent;
        box-shadow: none;
    }
    
    .nav-item {
        border-bottom: none;
    }
    
    .nav-item > a {
        padding: 10px 20px;
        border-bottom: 3px solid transparent;
        margin-bottom: -3px;
    }
    
    .nav-item:hover > a,
    .nav-item.active > a {
        border-bottom-color: var(--primary-color);
    }
    
    /* Dropdown Desktop */
    .dropdown {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--white);
        min-width: 250px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s;
    }
    
    .nav-item:hover .dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .dropdown a {
        padding: 12px 20px;
        border-bottom: 1px solid var(--bg-color);
    }
    
    .dropdown a:hover {
        padding-left: 25px;
    }
    
    /* Content */
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    /* Cards */
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .footer-legal {
        margin-bottom: 0;
    }
}

/* ===================================
   DESKTOP (1024px+)
   =================================== */
@media (min-width: 1024px) {
    /* Content */
    .hero h2 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.25rem;
    }
    
    .content-section {
        padding: calc(var(--spacing-large) * 1.5);
    }
    
    .content-section h2 {
        font-size: 2rem;
    }
    
    /* Cards */
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   Spezielle Komponenten
   =================================== */

/* Task Grids */
.task-grid, .info-grid, .service-grid {
    display: grid;
    gap: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
}

.task-item, .info-item, .service-card {
    padding: var(--spacing-medium);
    background-color: var(--bg-color);
    border-radius: 8px;
}

/* Legal Content */
.legal-content h2 {
    margin-top: var(--spacing-large);
}

.legal-content h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-medium);
}

/* Responsive Grids */
@media (min-width: 768px) {
    .task-grid, .info-grid, .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   iFrame Container für externe Inhalte
   =================================== */

.iframe-container {
    position: relative;
    width: 100%;
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: var(--spacing-medium) 0;
}

.iframe-container iframe {
    width: 100%;
    min-height: 800px;
    height: 100vh;
    max-height: 1200px;
    border: none;
    display: block;
}

/* Mobile Anpassung */
@media (max-width: 767px) {
    .iframe-container iframe {
        min-height: 600px;
        height: 80vh;
    }
}

/* Externe Inhalte Hinweis */
.external-content-notice {
    background-color: #e3f2fd;
    border-left: 4px solid var(--secondary-color);
    padding: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
    border-radius: 4px;
}

.external-content-notice p {
    margin: 0;
    color: var(--text-color);
}

/* Fallback Info */
.fallback-info {
    background-color: var(--bg-light);
    padding: var(--spacing-medium);
    margin: var(--spacing-medium) 0;
    border-radius: 4px;
    font-size: 0.9rem;
}

.fallback-info p {
    margin: 0;
}

.fallback-info a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.fallback-info a:hover {
    text-decoration: underline;
}