/* ===================================
   LPB GmbH Website - Main Stylesheet
   Version: 1.0.0
   Author: Kiro AI Assistant
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #FF8C00;        /* Solar Orange */
    --color-secondary: #1E90FF;      /* Energy Blue */
    --color-accent: #003366;         /* Dark Blue */
    --color-success: #228B22;        /* Eco Green */
    --color-text: #333333;           /* Dark Gray */
    --color-text-light: #666666;     /* Medium Gray */
    --color-bg: #FFFFFF;             /* White */
    --color-bg-light: #F8F9FA;       /* Light Gray */
    --color-border: #E0E0E0;         /* Border Gray */
    
    /* Typography */
    --font-heading: 'Montserrat', 'Segoe UI', sans-serif;
    --font-body: 'Open Sans', 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --fs-h1: 48px;
    --fs-h2: 36px;
    --fs-h3: 24px;
    --fs-body: 16px;
    --fs-small: 14px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 72px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Breakpoints (for reference) */
    --bp-mobile: 320px;
    --bp-tablet: 768px;
    --bp-desktop: 1024px;
    --bp-wide: 1440px;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

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

.container-wide {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section Spacing */
section {
    padding: var(--spacing-xl) 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-family: var(--font-heading);
    font-size: var(--fs-body);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* Cards */
.card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

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

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

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.bg-light { background-color: var(--color-bg-light); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Responsive Typography */
@media (max-width: 768px) {
    :root {
        --fs-h1: 32px;
        --fs-h2: 28px;
        --fs-h3: 20px;
        --fs-body: 14px;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}


/* ===================================
   Impressum Page
   =================================== */
.impressum-content {
    padding: 4rem 0;
}

.impressum-card {
    margin-bottom: 2rem;
}

.impressum-card h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.impressum-card h3 {
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.impressum-card p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.impressum-card a {
    color: var(--primary-color);
    text-decoration: none;
}

.impressum-card a:hover {
    text-decoration: underline;
}


/* ===================================
   Datenschutz Page
   =================================== */
.datenschutz-content {
    padding: 4rem 0;
}

.datenschutz-card {
    margin-bottom: 2rem;
}

.datenschutz-card h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.datenschutz-card h3 {
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.datenschutz-card p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.datenschutz-card ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
    line-height: 1.8;
}

.datenschutz-card ul li {
    margin-bottom: 0.5rem;
}

.datenschutz-card a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.datenschutz-card a:hover {
    text-decoration: underline;
}