/* LITIM GmbH - Modulares CSS System */
/* ================================== */

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

:root {
    /* Farben */
    --primary-blue: #003d7a;
    --secondary-blue: #0056a3;
    --light-blue: #e6f0ff;
    --dark-gray: #1a1f2e;
    --mid-gray: #8b95a1;
    --light-gray: #f5f7fa;
    --white: #ffffff;
    --accent: #ff6b35;
    
    /* Abstände */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Schriften */
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Arial', sans-serif;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--white);
}

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

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

h1 { font-size: 2.5rem; color: var(--primary-blue); }
h2 { font-size: 2rem; color: var(--dark-gray); margin-top: var(--spacing-xl); }
h3 { font-size: 1.5rem; color: var(--dark-gray); margin-top: var(--spacing-lg); }
h4 { font-size: 1.25rem; color: var(--dark-gray); }

p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

/* Navigation Top Bar */
.nav-top {
    background: var(--light-gray);
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
    border-bottom: 1px solid #e0e0e0;
}

.nav-top-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-top-left {
    color: var(--mid-gray);
}

.nav-top-right {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-top-right a {
    color: var(--dark-gray);
    font-weight: 500;
}

/* Main Navigation */
nav.main-nav {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links > li > a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links > li > a:hover {
    color: var(--primary-blue);
    text-decoration: none;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: var(--white);
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1001;
    top: 100%;
    left: 0;
    border-top: 3px solid var(--primary-blue);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: var(--dark-gray);
    padding: 12px 16px;
    display: block;
    transition: all 0.3s ease;
}

.dropdown-content a:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
    text-decoration: none;
}

/* CTA Button */
.cta-button {
    background: var(--primary-blue);
    color: var(--white) !important;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid var(--primary-blue);
}

.cta-button:hover {
    background: var(--secondary-blue);
    border-color: var(--secondary-blue);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,61,122,0.3);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--light-gray);
}

.stat-box {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--mid-gray);
    font-size: 0.9rem;
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.service-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.service-card:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

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

/* Content Sections */
.content-section {
    padding: var(--spacing-xxl) 0;
}

.content-section:nth-child(even) {
    background: var(--light-gray);
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: var(--mid-gray);
}

.breadcrumb a {
    color: var(--mid-gray);
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    padding: var(--spacing-xl) 0;
    border-bottom: 3px solid var(--primary-blue);
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.page-intro {
    font-size: 1.1rem;
    color: var(--mid-gray);
    max-width: 800px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

table th, table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--dark-gray);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--dark-gray);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0,61,122,0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.step-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.spec-box {
    background: var(--white);
    border-left: 4px solid var(--primary-blue);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.spec-box h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Image Placeholder */
.image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--mid-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

/* Footer */
footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--mid-gray);
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--white);
    text-decoration: none;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md) 0;
    border-top: 1px solid #444;
    text-align: center;
    color: var(--mid-gray);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    text-align: center;
}

.cta-section .cta-button {
    background: var(--white);
    color: var(--primary-blue) !important;
}

.cta-section .cta-button:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

/* Lists */
ul.custom-list {
    list-style: none;
    padding-left: 0;
}

ul.custom-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: var(--spacing-sm);
}

ul.custom-list li:before {
    content: "▶";
    color: var(--primary-blue);
    position: absolute;
    left: 0;
    top: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md) 0;
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-md);
    }
    
    .dropdown-content {
        position: static;
        display: none;
        width: 100%;
        box-shadow: none;
        border: none;
        background: var(--light-gray);
    }
    
    .dropdown:hover .dropdown-content {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .stats-grid,
    .services-grid,
    .specs-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-top-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.pt-lg { padding-top: var(--spacing-lg); }
.pb-lg { padding-bottom: var(--spacing-lg); }