.trip-planner__contact {
    display: block;
}

.trip-planner__contact-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    overflow: hidden;
}

.trip-planner__contact-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--body);
}

.trip-planner__contact-option + .trip-planner__contact-option {
    border-left: 1px solid var(--line);
}

.trip-planner__contact-option input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.trip-planner__contact-option:has(input:checked) {
    color: var(--paper);
    background: var(--sage);
}

.trip-planner__contact-option:has(input:focus-visible) {
    outline: 2px solid var(--cta);
    outline-offset: -2px;
}

.trip-planner__contact-field {
    display: grid;
    gap: 0.4rem;
}

.trip-planner__contact-field[hidden] {
    display: none;
}

.trip-planner__optional {
    margin-top: 1.5rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    overflow: hidden;
}

.trip-planner__optional summary {
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--mono);
    font-weight: 600;
}

.trip-planner__optional[open] summary {
    border-bottom: 1px solid var(--line);
}

.trip-planner__optional-fields {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
}

.trip-planner h2 {
        margin-bottom: 3rem;
    font-family: var(--display);
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.1;
    color: var(--ink);
    margin-top:0;
}

.trip-planner__field {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 2rem;
}