:root {
    --blue-dark: #1E3A8A;
    --blue: #2563EB;
    --gray: #4B5563;
    --gray-light: #F3F4F6;
    --border: #e5e7eb;
    --shadow-soft: 0 8px 24px rgba(17,24,39,.06);
    --shadow-hover: 0 12px 30px rgba(17,24,39,.10);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--gray);
    line-height: 1.55;
    background: white;
}
/* Header */
header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}
.container {
    max-width: 1120px;
    margin: auto;
    padding: 0 20px;
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}
.brand img { display:block; height:70px; width:auto; }
nav a {
    margin-left: 20px;
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
}
nav a:hover { color: var(--blue); }
/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(30,58,138,.06), rgba(16,185,129,.08));
    padding: 80px 0 70px;
}
.hero h1 {
    color: var(--blue-dark);
    font-size: 2.5rem;
    margin: 0 0 10px;
    letter-spacing: -0.02em;
}
.hero p { font-size: 1.15rem; margin-top:0; }
/* Marquee (smooth true infinite loop) */
.marquee-hero-box {
    width: 100%;
    overflow: hidden;
    padding: 10px 0;
    margin-bottom: 20px;
    background: #1E3A8A;
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
}
.marquee-hero-track {
    display: flex;
    width: max-content;
    will-change: transform;
    animation: marquee-loop 14s linear infinite;
}
.marquee-hero-content {
    flex: 0 0 auto;
    min-width: 100%;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    padding-left: 1rem;
    padding-right: 3rem;
    white-space: nowrap;
}
@keyframes marquee-loop {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}
/* Sections */
section { scroll-margin-top: 90px; }
.section-pad { padding: 75px 0; }
.section-title {
    color: var(--blue-dark);
    text-align: center;
    margin: 0 0 28px;
    font-size: 1.65rem;
    letter-spacing: -0.01em;
}
/* Grid + Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    align-items: stretch;
    grid-auto-rows: 1fr;
}
.card {
    text-align: center;
    padding: 28px 24px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    transition: transform .15s ease, box-shadow .15s ease;
}
.card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blue-dark), var(--blue));
    border-radius: 16px 16px 0 0;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.card h3 {
    margin: 6px 0 10px;
    color: var(--blue-dark);
    font-size: 1.15rem;
}
.card p {
    margin: 0;
    color: #4b5563;
    font-size: .98rem;
    line-height: 1.55;
}
/* Buttons */
.btn-primary {
    display: inline-block;
    margin-top: 12px;
    background: var(--blue);
    color: #fff;
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background:#1d4ed8; }
.muted { color: #6b7280; font-size: 0.95rem; }
/* Gray band (Über uns) */
#ueber { background: var(--gray-light); }
/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 30px 0;
    margin-top: 10px;
    font-size: 0.95rem;
}
/* Responsive */
@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; }
    .nav {
        flex-direction: column;
        height: auto;
        padding: 10px 0;
        gap: 8px;
    }
    nav a {
        margin: 0 10px;
        display: inline-block;
        padding: 6px 0;
    }
    .hero { padding: 55px 0 50px; }
    .hero h1 { font-size: 1.85rem; }
    .section-pad { padding: 55px 0; }
}