/* Modern Design System - Wohngruppe Nado */

:root {
    /* Color Palette */
    --color-primary: #1e3a8a; /* Deep Blue */
    --color-primary-light: #3b82f6; /* Bright Blue */
    --color-secondary: #0f172a; /* Dark Slate */
    --color-accent: #0ea5e9; /* Sky Blue */
    --color-text: #334155; /* Slate 700 */
    --color-text-light: #94a3b8; /* Slate 400 */
    --color-background: #f8fafc; /* Slate 50 */
    --color-surface: #ffffff;
    --color-surface-glass: rgba(255, 255, 255, 0.8);
    
    /* Typography */
    --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.mb-4 { margin-bottom: 2rem; }

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Components */

/* Header */
.header {
    background: var(--color-surface-glass);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
}

/* Hero */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.7)), url('../img/hero-image-CW0H6Udu.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding-top: 80px; /* Offset for fixed header */
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    color: white;
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.2s backwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary-light);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

.btn-outline {
    border: 2px solid white;
    color: white;
    margin-left: var(--spacing-md);
}

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

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: var(--color-secondary);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.footer-heading {
    color: white;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--color-text-light);
}

.footer-links a:hover {
    color: white;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}