:root {
    --bg: #ffffff;
    --card: #f5f5f5;
    --accent: #22cc11; /* dunkleres Grün */
    --text: #1e1e1e;
    --muted: #6b7280;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: #fafafa;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header img {
    height: 60px;
    transition: 0.3s;
}
header img:hover {
    transform: scale(1.05);
}

nav a {
    color: var(--text);
    margin-left: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}
nav a:hover {
    color: var(--accent);
}

/* Hero */
.hero {
    position: relative;
    text-align: center;
    padding: 140px 20px 120px;
    background: linear-gradient(135deg, #fefefe, #ffffff);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34,204,17,0.15) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero h1 {
    font-size: 50px;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}
.hero span {
    color: var(--accent);
}
.hero p {
    font-size: 20px;
    color: var(--muted);
    position: relative;
    z-index: 1;
}
.button {
    display: inline-block;
    margin-top: 40px;
    padding: 14px 40px;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s;
    position: relative;
    z-index: 1;
}
.button:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px rgba(34,204,17,0.4);
    transform: translateY(-3px);
}

/* Sections */
.section {
    max-width: 1100px;
    margin: 80px auto;
    padding: 0 20px;
}
.section h2 {
    text-align: center;
    font-size: 34px;
    margin-bottom: 50px;
}

/* Services Cards */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}
.card {
    background: var(--card);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid #e5e5e5;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: 0.3s;
}
.card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 25px rgba(34,204,17,0.15);
}
.card h3 {
    color: var(--accent);
    margin-top: 0;
}

/* Contact */
.contact {
    text-align: center;
}
.contact a {
    color: var(--accent);
    text-decoration: none;
}

/* Footer */
footer {
    background: #fafafa;
    padding: 60px 20px;
    font-size: 14px;
    color: var(--muted);
    border-top: 1px solid #e5e5e5;
}

/* Responsive */
@media (max-width: 768px) {
    header { flex-direction: column; padding: 15px 20px; }
    nav { margin-top: 10px; }
    .hero h1 { font-size: 38px; }
    .hero p { font-size: 18px; }
}