:root {
    --primary-color: #0b4e82; /* Deep Blue from Logo */
    --primary-dark: #073456;
    --secondary-color: #f05a28; /* Vibrant Orange from Logo */
    --secondary-dark: #cc4518;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --font-family: 'Inter', 'Roboto', sans-serif;
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2.25rem; margin-bottom: 1rem; }
h3 { font-size: 1.75rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navbar */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--secondary-color);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

.lang-switch {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.lang-btn:hover, .lang-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--bg-white);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(rgba(11, 78, 130, 0.8), rgba(11, 78, 130, 0.8)), url('https://images.unsplash.com/photo-1586528116311-ad8ed7c80a30?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    color: var(--bg-white);
    padding: 6rem 0;
    text-align: center;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    animation: fadeInDown 1s ease-out;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero .btn-container {
    animation: fadeInUp 1s ease-out 0.6s backwards;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

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

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

.section-title h2 {
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    background-color: var(--secondary-color);
    bottom: -10px;
    left: 25%;
    border-radius: 2px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-bottom: 4px solid var(--secondary-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.contact-info ul {
    list-style: none;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-info i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(11, 78, 130, 0.1);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 3rem 0 1.5rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    color: var(--bg-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--bg-white);
    margin-bottom: 1rem;
}

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

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

.footer-links a {
    color: rgba(255,255,255,0.8);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Legal Pages (Impressum, Datenschutz) */
.legal-content {
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.legal-content h3 {
    margin-top: 2rem;
    color: var(--primary-dark);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide by default on mobile */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        padding: 1rem 0;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }
    
    .lang-switch {
        margin-top: 1rem;
    }

    .hero h1 { font-size: 2.5rem; }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
}