/* --- INTERACTIVE FORM SECTION --- */
.interactive-form {
    padding-bottom: 120px;
}

.interactive-form-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

/* --- Fortschrittsanzeige --- */
.progress-bar-container {
    position: relative;
    width: 100%;
    margin: 0 auto 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.progress-bar-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 4px;
    width: 100%;
    background-color: var(--border-color);
    z-index: 1;
}
.progress-bar-fill {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 4px;
    background-color: var(--primary);
    z-index: 2;
    width: 0%;
    transition: width 0.5s ease-in-out;
}
.progress-step {
    position: relative;
    width: 20px;
    height: 20px;
    background-color: var(--surface);
    border: 3px solid var(--border-color);
    border-radius: 50%;
    z-index: 3;
    transition: all 0.4s ease;
    display: flex;
    justify-content: center;
}
.progress-step.active {
    background-color: var(--primary);
    border-color: var(--primary-light);
    transform: scale(1.1);
}
.progress-step span {
    position: absolute;
    top: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: color 0.4s ease;
}
.progress-step.active span {
    color: var(--text-primary);
}


.form-step {
    display: none;
    opacity: 0;
}
.form-step.active {
    display: block;
    animation: fadeInStep 0.5s ease-out forwards;
}
.form-path {
    display: none;
}

@keyframes fadeInStep {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.question-label {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.info-button {
    position: relative;
    display: inline-flex;
    margin-left: 12px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.2rem;
}
.info-button:hover {
    color: var(--primary);
}
.info-button .tooltip-text {
    visibility: hidden;
    width: 240px;
    background-color: var(--surface);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--border-radius);
    padding: 12px;
    position: absolute;
    z-index: 20;
    bottom: 150%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.9rem;
    font-weight: 400;
    line-height: 1.5;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    pointer-events: none;
}
.info-button:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.option-grid-2, .option-grid-4, .option-grid-5 { display: grid; gap: 20px; }
.option-grid-2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.option-grid-4 { grid-template-columns: repeat(2, 1fr); }
.option-grid-5 { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
@media (min-width: 992px) {
    .option-grid-4 { grid-template-columns: repeat(4, 1fr); }
}


.option-card, .checkbox-card { position: relative; border: 2px solid var(--border-color); border-radius: var(--border-radius); padding: 1.5rem; cursor: pointer; transition: var(--transition); text-align: center; display: flex; flex-direction: column; }
.option-card:hover, .checkbox-card:hover { transform: translateY(-5px); border-color: var(--primary); }
.option-card input[type="radio"], .checkbox-card input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.option-card .option-content, .checkbox-card .option-content { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem; flex-grow: 1; }
.option-card i, .checkbox-card i { font-size: 2rem; color: var(--primary-light); transition: color 0.3s ease; }
.option-card span, .checkbox-card span { font-size: 1.1rem; font-weight: 500; }
.option-card.small { padding: 1.2rem; gap: 0.2rem; }
.option-card.small .option-content span { font-size: 1rem; }
.option-card.small .option-content i { font-size: 1.5rem; }
.option-card .option-price, .option-card .option-price-inline { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }
.option-price-inline { display: inline; }
.option-card:has(input:checked), .checkbox-card:has(input:checked) { border-color: var(--primary-light); box-shadow: 0 0 15px var(--glow-color); transform: translateY(-5px) scale(1.02); }
.option-card:has(input:checked) i, .checkbox-card:has(input:checked) i { color: #fff; }

.option-card.plan .plan-title { font-size: 1.3rem; color: var(--text-primary); }
.option-card.plan .plan-features { list-style: none; padding: 0; margin: 1rem 0; text-align: left; font-size: 0.9rem; color: var(--text-secondary); min-height: 4.5em; flex-grow: 1;}
.option-card.plan .plan-features li { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.option-card.plan .plan-features i { font-size: 0.8rem; color: var(--primary); }
.option-card.plan .price { font-size: 1.1rem; font-weight: 600; color: var(--primary); margin-top: auto; }
.option-card:has(input:checked) .price { color: #fff; }

.custom-input-container { margin-top: 2rem; text-align: center; }
.custom-input-container label { display: block; margin-bottom: 0.75rem; font-weight: 500; }
.custom-input-container small { display: block; margin-top: 0.5rem; font-size: 0.8rem; color: var(--text-secondary); }
.form-grid-vertical { display: flex; flex-direction: column; gap: 1.5rem; }
.form-grid-vertical .form-group { margin: 0; }
.form-grid-vertical label { font-size: 1rem; font-weight: 500; margin-bottom: 0.5rem; display: block; }
textarea { resize: vertical; min-height: 120px; width: 100%; padding: 15px; font-family: inherit; font-size: 1rem; color: var(--text-primary); transition: var(--transition); background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); border-radius: var(--border-radius); }
textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--glow-color); }

.summary-title { font-size: 1.5rem; margin-bottom: 1.5rem; text-align: center; color: var(--primary-light); }
.summary-container { margin-bottom: 2rem; }
.summary-item { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border-color); font-size: 1rem; }
.summary-key { font-weight: 500; color: var(--text-secondary); }
.summary-value { color: var(--text-primary); text-align: right; }
.price-summary { display: flex; justify-content: space-between; align-items: center; margin-top: 2rem; padding-top: 1rem; border-top: 2px solid var(--primary); font-size: 1.2rem; }
.price-summary.monthly { border-top: 1px solid var(--border-color); margin-top: 1rem; padding-top: 1rem; font-size: 1rem;}
.total-price { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.price-summary.monthly .total-price { font-size: 1.2rem; font-weight: 600; }
.price-disclaimer { font-size: 0.8rem; color: var(--text-secondary); text-align: center; margin-top: 1rem; font-style: italic; }
.final-confirmation { text-align: center; margin-top: 2rem; font-size: 1.1rem; }

.interactive-form-container input[type="text"],
.interactive-form-container input[type="email"],
.interactive-form-container input[type="number"] { width: 100%; padding: 15px; font-family: inherit; font-size: 1rem; color: var(--text-primary); transition: var(--transition); background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color); border-radius: var(--border-radius); }
.interactive-form-container input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--glow-color); }

.form-navigation { margin-top: 3rem; display: flex; justify-content: space-between; align-items: center; }