/* Milestone roadmap banner — About page */

.mr-milestone-banner {
    padding: 2rem 0 2.5rem;
    background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
    border-bottom: 1px solid var(--mr-gray-200, #e2e8f0);
}

.mr-milestone-banner__head {
    text-align: center;
    margin-bottom: 1.75rem;
}

.mr-milestone-banner__title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mr-navy, #0f2744);
}

.mr-milestone-banner__intro {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--mr-gray-600, #64748b);
}

.mr-milestone-roadmap {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    padding: 0.5rem 0;
}

.mr-milestone-row {
    display: grid;
    gap: 0.5rem 0.75rem;
    align-items: start;
    margin: 0 auto;
    width: 100%;
}

.mr-milestone-roadmap[data-cols="2"] .mr-milestone-row {
    max-width: 28rem;
}

.mr-milestone-roadmap[data-cols="3"] .mr-milestone-row {
    max-width: 44rem;
}

.mr-milestone-roadmap[data-cols="4"] .mr-milestone-row {
    max-width: 60rem;
}

.mr-milestone-row__cell {
    min-width: 0;
}

.mr-milestone-row__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding-top: 1.5rem;
}

.mr-milestone-card {
    position: relative;
    width: 100%;
    padding: 1rem 1.125rem;
    border-radius: 0.75rem;
    border: 2px solid var(--mr-gray-200, #e2e8f0);
    background: #fff;
    color: var(--mr-gray-700, #475569);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.mr-milestone-card--active {
    border-color: #16a34a;
    box-shadow: 0 8px 24px rgba(22, 163, 74, 0.18);
    color: var(--mr-navy, #0f2744);
    transform: translateY(-2px);
    opacity: 1;
}

.mr-milestone-card--muted {
    opacity: 0.55;
}

.mr-milestone-card__year {
    display: inline-block;
    margin-bottom: 0.35rem;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    background: #ecfdf5;
    color: #15803d;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.mr-milestone-card--active .mr-milestone-card__year {
    background: #16a34a;
    color: #fff;
}

.mr-milestone-card__title {
    margin: 0 0 0.35rem;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.35;
}

.mr-milestone-card--active .mr-milestone-card__title {
    font-weight: 700;
    color: #15803d;
}

.mr-milestone-card__desc {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--mr-gray-600, #64748b);
}

.mr-milestone-arrow {
    flex: 0 0 auto;
    font-size: 1.5rem;
    font-weight: 700;
    color: #16a34a;
    line-height: 1;
    user-select: none;
}

.mr-milestone-arrow--between {
    display: block;
}

.mr-milestone-arrow--down {
    position: absolute;
    left: 50%;
    bottom: -1.75rem;
    transform: translateX(-50%);
    font-size: 1.25rem;
}

.mr-milestone-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.mr-milestone-controls__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--mr-gray-300, #cbd5e1);
    background: #fff;
    color: var(--mr-navy, #0f2744);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.mr-milestone-controls__btn:hover:not(:disabled) {
    background: #f0fdf4;
    border-color: #16a34a;
}

.mr-milestone-controls__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.mr-milestone-controls__status {
    min-width: 10rem;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--mr-gray-600, #64748b);
}

@media (min-width: 768px) {
    .mr-milestone-banner {
        padding: 2.5rem 0 3rem;
    }

    .mr-milestone-banner__title {
        font-size: 1.75rem;
    }

    .mr-milestone-row {
        gap: 0.75rem 1rem;
    }
}

@media (max-width: 767px) {
    .mr-milestone-card {
        padding: 0.875rem 1rem;
    }

    .mr-milestone-card__title {
        font-size: 0.875rem;
    }
}

.mr-milestone-card {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.mr-milestone-card:hover,
.mr-milestone-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 39, 68, 0.12);
}

.mr-landmark-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.mr-landmark-modal[hidden] {
    display: none;
}

.mr-landmark-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 39, 68, 0.55);
}

.mr-landmark-modal__dialog {
    position: relative;
    width: min(100%, 32rem);
    max-height: min(80vh, 28rem);
    overflow: auto;
    padding: 1.5rem;
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 20px 50px rgba(15, 39, 68, 0.25);
}

.mr-landmark-modal__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    border: 0;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #64748b;
}

.mr-landmark-modal__year {
    margin: 0 0 0.35rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--mr-green-700, #15803d);
}

.mr-landmark-modal__title {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
    color: var(--mr-navy, #0f2744);
}

.mr-landmark-modal__body {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--mr-gray-700, #334155);
    white-space: pre-wrap;
}

body.mr-landmark-modal-open {
    overflow: hidden;
}