* { box-sizing: border-box; }
body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: #334155;
    background-color: #f8fafc;
    margin: 0; padding: 0;
}

.hero {
    position: relative;
    height: 420px;
    background: url('header-bg.jpg') center/cover no-repeat;
    display: flex; align-items: center; justify-content: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(16, 185, 129, 0.65); /* Grüner Design-Filter */
    z-index: 0;
}

.hero-content { position: relative; z-index: 1; text-align: center; max-width: 900px; padding: 0 20px; }
.hero h1 { font-size: 2.6rem; font-weight: 700; margin: 0; text-shadow: 0 4px 12px rgba(0,0,0,0.25); }

/* Sprachwähler */
.lang-switcher-elegant {
    position: absolute; top: 25px; right: 25px; z-index: 10;
    cursor: pointer; display: flex; align-items: center; color: white;
    font-size: 0.9rem; font-weight: 600; padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 6px;
    background: rgba(15, 23, 42, 0.2); transition: all 0.2s ease;
}
.lang-switcher-elegant:hover { background: rgba(15, 23, 42, 0.4); border-color: rgba(255, 255, 255, 0.6); }
.arrow-down { font-size: 0.6rem; margin-left: 8px; opacity: 0.7; }
.lang-dropdown {
    position: absolute; top: 110%; right: 0; background: #0f172a;
    list-style: none; padding: 6px 0; margin: 0; border-radius: 6px;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3); width: 140px; display: none;
}
.lang-dropdown li { padding: 10px 16px; font-size: 0.85rem; color: rgba(255, 255, 255, 0.8); }
.lang-dropdown li:hover { background: #10b981; color: white; }

/* Zielgruppen-Tabs */
.target-nav { display: flex; justify-content: center; background: #ffffff; border-bottom: 1px solid #e2e8f0; }
.target-nav button {
    padding: 18px 32px; border: none; background: transparent;
    cursor: pointer; font-size: 1rem; font-weight: 600; color: #64748b;
    position: relative; transition: color 0.2s;
}
.target-nav button:hover, .target-nav button.active { color: #10b981; }
.target-nav button.active::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: #10b981;
}

.content-box { max-width: 850px; margin: 3rem auto 2rem auto; padding: 0 24px; text-align: center; }
.content-box p { font-size: 1.15rem; color: #475569; line-height: 1.8; }

/* Produkt-Grid */
.card {
    max-width: 1000px; margin: 0 auto 4rem auto; background: white;
    padding: 3rem; border-radius: 16px; box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
    border: 1px solid #f1f5f9; text-align: center;
}
.card h2 { font-size: 1.8rem; color: #0f172a; margin-top: 0; }
.card p { color: #64748b; max-width: 700px; margin: 10px auto 30px auto; }

.assets { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-top: 2.5rem; }
.assets a {
    text-decoration: none; color: #1e293b; font-weight: 600;
    width: 280px; display: flex; flex-direction: column; align-items: center;
}
.assets img {
    width: 100%; height: auto; border-radius: 10px; margin-bottom: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06); border: 1px solid #e2e8f0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
}
.assets a:hover img { transform: translateY(-6px); box-shadow: 0 12px 20px rgba(15, 23, 42, 0.12); }
.assets a:hover { color: #10b981; }

footer { text-align: center; padding: 4rem 2rem; background: #0f172a; color: #94a3b8; font-size: 0.9rem; }
footer a { color: #cbd5e1; text-decoration: none; margin: 0 12px; }
footer a:hover { color: #10b981; }

@media (max-width: 900px) {
    .assets { justify-content: center; gap: 40px; }
    .hero h1 { font-size: 2rem; }
}