/* Grundstil für alle Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.6rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
    outline: none;
    gap: 0.4rem;
}

/* Primärer CTA – ideal für „Kontakt aufnehmen“ */
.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1e40af); /* Blau, Tech-Look */
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    background: linear-gradient(135deg, #1d4ed8, #1e3a8a);
}

/* Sekundärer CTA – ideal für „Zu den Projekten“ */
.btn-secondary {
    background: #f3f4f6;
    color: #111827;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background: #e5e7eb;
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

/* Full-Width auf Mobil, optional */
@media (max-width: 640px) {
    .btn {
        width: 100%;
    }
}