/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #f5f7fa;
    line-height: 1.6;
    color: #222;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #5ac18e, #32b3c6);
    color: #fff;
    text-align: center;
    padding: 4rem 0 3rem;
}

.hero h1 { font-size: 2rem; margin-bottom: 1rem; }
.hero .subtitle { max-width: 750px; margin: 0.5rem auto 1.5rem; }

/* Sections */
.section { padding: 3rem 0; background: #fff; }
.section.light { background: #f5f7fa; }
.section.highlight { background: #fffdf4; }

h2 { font-size: 1.6rem; margin-bottom: 1rem; }
ul { margin-left: 1.2rem; margin-bottom: 1rem; }

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.15s ease;
}

.btn-primary {
    background: white;
    color: #2a9f7a;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    box-shadow: 0 6px 14px rgba(0,0,0,0.2);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #2a9f7a;
    color: #fff;
}

/* Kursbox */
.kurs-box {
    background: #fffaf0;
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid #f0e3b0;
    margin-top: 1rem;
}

/* FAQ */
details {
    background: #fff;
    padding: .6rem .8rem;
    border-radius: 6px;
    border: 1px solid #e0e5ec;
    margin-bottom: .8rem;
}

details summary { font-weight: 600; cursor: pointer; }

/* Footer */
.footer {
    background: #1b2832;
    color: #d9e2ec;
    text-align: center;
    padding: 2rem 0;
    font-size: .9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.6rem; }
}