:root {
    --swiss-red: #D52B1E;
    --dark: #1a1a1a;
    --light: #f9fafb;
    --gray: #6b7280;
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background-color: var(--light); color: var(--dark); line-height: 1.6; }

/* --- Hero --- */
.hero {
    height: 85vh;
    background: url('hero-alpine-tech.jpg') no-repeat center center/cover;
    display: flex; align-items: center; justify-content: center;
    position: relative; color: white; text-align: center;
}
.overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0.8)); }
.hero-content { position: relative; z-index: 5; max-width: 800px; padding: 20px; }
h1 { font-size: 3.5rem; font-weight: 900; margin-bottom: 20px; letter-spacing: -2px; line-height: 1.1; }
.hero-content p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }

/* Navigation */
.navbar { position: absolute; top: 0; width: 100%; display: flex; justify-content: space-between; padding: 30px 10%; z-index: 10; }
.logo { font-size: 1.8rem; font-weight: 900; color: white; }
.logo span { color: var(--swiss-red); }
.swiss-flag { width: 30px; height: 30px; background: var(--swiss-red); border-radius: 4px; position: relative; }
.swiss-flag::before { content: ""; position: absolute; width: 18px; height: 4px; background: white; top: 13px; left: 6px; }
.swiss-flag::after { content: ""; position: absolute; width: 4px; height: 18px; background: white; top: 6px; left: 13px; }

/* Buttons */
.cta-group { display: flex; gap: 15px; justify-content: center; }
.btn { padding: 15px 30px; border-radius: 10px; text-decoration: none; font-weight: bold; transition: 0.3s; }
.btn-primary { background: white; color: var(--dark); }
.btn-secondary { border: 2px solid white; color: white; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* --- Sections Shared --- */
.family-businesses, .services-section { padding: 100px 10%; text-align: center; background: white; }
.services-section { background: var(--light); } /* Grauer Hintergrund für Kontrast unten */

.section-title { font-size: 2.8rem; font-weight: 900; margin-bottom: 15px; letter-spacing: -1px; }
.section-subtitle { color: var(--gray); margin-bottom: 60px; max-width: 600px; margin-left: auto; margin-right: auto; }

.grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

/* --- Cards (Business & Service) --- */
.business-card, .service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: 0.4s;
    height: 100%;
}

.business-card:hover, .service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
}

.card-logo-overlay { height: 160px; background: var(--light); display: flex; justify-content: center; align-items: center; padding: 30px; }
.icon-box { height: 120px; display: flex; justify-content: center; align-items: center; font-size: 3.5rem; background: #fff; }

.biz-logo { max-height: 100%; max-width: 100%; filter: grayscale(100%); opacity: 0.6; transition: 0.4s; }
.business-card:hover .biz-logo { filter: grayscale(0); opacity: 1; }

.card-content { padding: 30px; flex-grow: 1; display: flex; flex-direction: column; }
.category { font-size: 0.7rem; text-transform: uppercase; color: var(--swiss-red); font-weight: bold; margin-bottom: 10px; }
h3 { font-size: 1.4rem; margin-bottom: 10px; font-weight: 800; }
p { color: var(--gray); font-size: 0.95rem; margin-bottom: 20px; flex-grow: 1; }
.link-label { font-size: 0.9rem; font-weight: 700; color: var(--dark); transition: 0.2s; }
.business-card:hover .link-label, .service-card:hover .link-label { color: var(--swiss-red); }

/* --- Footer --- */
footer { padding: 60px; text-align: center; color: var(--gray); font-size: 0.9rem; }

/* Responsive */
@media (max-width: 1024px) {
    .grid-layout { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .grid-layout { grid-template-columns: 1fr; }
    h1 { font-size: 2.5rem; }
    .cta-group { flex-direction: column; }
    .family-businesses, .services-section { padding: 60px 20px; }
}