:root {
    --primary-color: #8B4513;
    --primary-rgb: 139, 69, 19;
    --secondary-color: #228B22;
    --secondary-rgb: 34, 139, 34;
    --accent-color: #D2691E;
    --accent-rgb: 210, 105, 30;
}

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

/* Ensure HTML and BODY have no default spacing */
html, body { margin: 0; padding: 0; }

/* CRITICAL: Eliminate 1px seams between header/nav and hero */
header, nav, .navbar, .site-header {
  margin: 0; padding: 0; border: 0; box-shadow: none; outline: 0;
  position: fixed; top: 0; left: 0; right: 0; background: var(--page-bg-color);
  transform: translateZ(0); /* avoid subpixel hairlines on some GPUs */
  backface-visibility: hidden;
}

/* Main content offset is determined at runtime if nav overlays; fallback remains zero-gap safe */
main { padding-top: var(--nav-height, 0px); margin: 0; }

/* Hero must start flush under nav */
.hero, .hero-section, #hero, [data-section="hero"] { margin-top: 0; border-top: 0; }

/* Avoid decorative separators that create 1px lines at the top */
nav, .navbar, .site-header { border-bottom: none !important; box-shadow: none !important; }
.hero, .hero-section { border-top: none !important; }

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Typography */
h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: rgba(139, 69, 19, 0.9);
    transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('./assets/images/hero_1.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.hero-cta {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: rgba(139, 69, 19, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(34, 139, 34, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 139, 34, 0.3);
}

.btn-accent {
    background: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background: rgba(210, 105, 30, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(210, 105, 30, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Problem-Solution Section */
.problem-solution {
    background: #f8f9fa;
}

.problem-solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.problem-content, .solution-content {
    padding: 2rem;
}

.problem-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

.problem-content::before {
    content: "Problem";
    position: absolute;
    top: -10px;
    left: 20px;
    background: #e74c3c;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.solution-content {
    background: var(--secondary-color);
    color: white;
    border-radius: 12px;
    position: relative;
}

.solution-content::before {
    content: "Lösung";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Statistics Section */
.stats-section {
    background: var(--primary-color);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Process Timeline */
.process-timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin: 0 2rem;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: -3rem;
    width: 2px;
    background: var(--secondary-color);
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-item:last-child::before {
    display: none;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.feature-item:nth-child(even) {
    direction: rtl;
}

.feature-item:nth-child(even) > * {
    direction: ltr;
}

.feature-content {
    padding: 2rem;
}

.feature-image {
    border-radius: 12px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* Testimonials */
.testimonials {
    background: #f8f9fa;
}

.testimonial-card {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent-color);
    position: absolute;
    top: 1rem;
    left: 2rem;
    font-family: 'Playfair Display', serif;
}

.testimonial-quote {
    font-size: 1.3rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: #555;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.testimonial-role {
    color: #666;
    font-size: 0.9rem;
}

/* Contact CTA Section */
.contact-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info h2,
.contact-info p {
    color: white;
}

.contact-actions {
    text-align: center;
}

.contact-actions .btn {
    margin: 0.5rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* Responsive Images */
.responsive-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .problem-solution-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-item {
        grid-template-columns: 1fr;
    }
    
    .feature-item:nth-child(even) {
        direction: ltr;
    }
    
    .timeline-item {
        flex-direction: column !important;
        text-align: center;
    }
    
    .timeline-content {
        margin: 1rem 0;
    }
    
    .timeline-item::before {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.btn:focus,
.nav-link:focus,
.nav-cta:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}