/* style.css - Modernes Architektur-Design für ARC-Planung AG */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    color: #1a2a2f;
    background: #F5F5F5;
    /* Architektur-Hintergrund: dezente Linien wie Bauplan */
    background-image: 
        linear-gradient(rgba(200,200,200,0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,200,200,0.15) 1px, transparent 1px);
    background-size: 30px 30px;
}

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

header {
    background: #1E2F3D;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo-img {
    height: 60px;
    width: auto;
    background: white;
    padding: 5px;
    border-radius: 8px;
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
    letter-spacing: -0.5px;
}

.logo p {
    font-size: 0.85rem;
    opacity: 0.8;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin-top: 0.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: 0.2s;
}

nav a.active, nav a:hover {
    border-bottom-color: #2C7A7B;
}

.hero {
    background: linear-gradient(135deg, #1E2F3D 0%, #2C3E50 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
    position: relative;
    /* Architektur-Linien im Hero */
    background-image: 
        repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 8px);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: #2C7A7B;
    color: white;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.btn:hover {
    background: #1e5a5b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.intro, .highlights, .kontakt, .leistungsliste, .cta, .page-title, .galerie {
    padding: 3rem 0;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #1E2F3D;
    border-left: 5px solid #2C7A7B;
    padding-left: 1rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.card-grid, .galerie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    border-bottom-color: #2C7A7B;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.card h3 {
    color: #2C7A7B;
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
}

.galerie-item {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: 0.3s;
}

.galerie-item:hover {
    transform: scale(1.02);
}

.galerie-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.galerie-item p {
    padding: 0.8rem;
    font-weight: 500;
    color: #1E2F3D;
}

.galerie-hinweis {
    text-align: center;
    font-size: 0.8rem;
    color: #888;
    margin-top: 1rem;
}

.kontakt a {
    color: #2C7A7B;
    text-decoration: none;
    font-weight: 500;
}

.map {
    margin-top: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

footer {
    background: #1E2F3D;
    color: #ccc;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer a {
    color: #2C7A7B;
    text-decoration: none;
}

.page-title {
    background: #e8ecef;
    text-align: center;
    border-bottom: 1px solid #d0d5d8;
}

.page-title h2 {
    border-left: none;
    text-align: center;
}

.leistung {
    background: white;
    margin-bottom: 1.5rem;
    padding: 1.2rem;
    border-left: 5px solid #2C7A7B;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-radius: 0 8px 8px 0;
}

.leistung h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #1E2F3D;
}

.cta {
    background: #e0eceb;
    text-align: center;
    border-radius: 12px;
    margin: 2rem auto;
    width: 90%;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    .logo {
        justify-content: center;
    }
    nav ul {
        justify-content: center;
        margin-top: 1rem;
    }
    .hero h2 {
        font-size: 1.8rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .galerie-grid {
        grid-template-columns: 1fr;
    }
}