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

:root {
    --primary-color: #0f172a; /* Sehr dunkles Blau/Grau */
    --accent-color: #38bdf8;   /* Helles Tech-Blau */
    --text-light: #f8fafc;
    --text-dark: #334155;
    --bg-light: #ffffff;
    --bg-dark: #1e293b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
    background: transparent; /* Startet transparent */
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95); /* Wird dunkel beim Scrollen */
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    color: var(--text-light);
    font-weight: 800;
    font-size: 1.2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 300;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* Container Utility */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-light);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Hochwertiges Hintergrundbild von Unsplash */
    background: url('hero-bg.jpg') no-repeat center center/cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.3), rgba(15, 23, 42, 0.8));
    z-index: -1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    animation: bounce 2s infinite;
    font-size: 1.5rem;
}

/* Sections */
.section {
    padding: 100px 0;
}

.dark-section {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

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

.text-center { text-align: center; margin-bottom: 60px; }

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--accent-color);
    margin: 20px auto;
}

.lead-text {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    color: #94a3b8;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.card {
    background: rgba(255,255,255,0.05);
    padding: 40px;
    border-radius: 4px;
    border-left: 3px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.08);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* Parallax Break */
.parallax-break {
    height: 400px;
    background: url('hero-bg.jpg') fixed center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.parallax-break::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
}

.parallax-break .content {
    position: relative;
    z-index: 1;
    color: white;
    text-align: center;
}

.parallax-break h2 {
    font-size: 2.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.gallery-item {
    overflow: hidden;
    height: 300px;
    border-radius: 4px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: grayscale(20%);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* Footer */
footer {
    background-color: #000;
    color: #64748b;
    padding: 50px 0;
    text-align: center;
}

.footer-logo {
    color: white;
    font-weight: 800;
    margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 2px;
}

.legal-links {
    margin: 20px 0;
}

.legal-links a {
    color: #94a3b8;
    text-decoration: none;
    margin: 0 10px;
    font-size: 0.9rem;
}

.small-note {
    font-size: 0.8rem;
    opacity: 0.5;
    margin-top: 20px;
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Scroll Reveal States */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .grid-3 { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Einfache Lösung: Links mobil ausblenden für clean look */
    .logo { margin: 0 auto; }
}