:root {
    --bg: #eef0f3;
    --surface: #ffffff;
    --text-dark: #1e2a38;
    --text-mid: #4a5568;
    --text-light: #8899aa;
    --c1: #1a6b6b;
    --c2: #16a8a8;
    --c3: #6b8e23;
    --c4: #d4900a;
    --c5: #c04040;
    --c6: #8b2a6e;
    --c1-tint: #e8f3f3;
    --c2-tint: #e6f7f7;
    --c3-tint: #eff4e6;
    --c4-tint: #fdf3e3;
    --c5-tint: #faeaea;
    --c6-tint: #f4e8f0;
    --c1-icon: #c2dede;
    --c2-icon: #b8e8e8;
    --c3-icon: #d4e6b8;
    --c4-icon: #f5dfa0;
    --c5-icon: #f0c0c0;
    --c6-icon: #ddb8d4;
    --track: #c8ced6;
    --shadow: 0 8px 22px rgba(0, 0, 0, 0.459);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, .16);
    --radius: 15px;
}

.milestones {
    /* make full-bleed across the viewport while keeping centered content inside */
    width: 100vw;
    max-width: none;
    margin-left: calc(50% - 50vw);
    background: var(--surface);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.milestones__map {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    opacity: .055;
}

.milestones__map svg {
    width: 100%;
    height: 100%;
}

.milestones__inner {
    position: relative;
    z-index: 1;
    padding: 36px 3vw 56px;
}

/* Header */
.milestones__header {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 40px;
}

.milestones__icon-wrap {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.milestones__icon-wrap svg {
    width: 44px;
    height: 44px;
}

.milestones__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 6px;
    display: block;
}

.milestones__title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(22px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.milestones__subtitle {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.6;
    max-width: 540px;
}

/* Panel banner */
.milestones__panel {
    border-radius: var(--radius);
    padding: 20px 28px;
    margin-bottom: 36px;
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 72px;
    position: relative;
    transition: background .3s;
}

.milestones__panel::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 40px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top-width: 10px;
    border-top-style: solid;
    border-top-color: inherit;
}

.milestones__panel-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, .20);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.milestones__panel-icon svg {
    width: 26px;
    height: 26px;
    stroke: #fff;
    fill: none;
}

.milestones__panel-text {
    color: #fff;
    font-size: 15px;
    line-height: 1.55;
}

.milestones__panel-text strong {
    font-weight: 700;
    display: block;
    font-size: 16px;
}

/* Timeline */
.milestones__track-wrap {
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-behavior: smooth;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(26, 107, 107, 0.459) rgba(200, 206, 214, 0.192);
}

.milestones__track-wrap::-webkit-scrollbar {
    height: 3px;
}

.milestones__track-wrap::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, #1a6b6b, #16a8a8);
    border-radius: 999px;
}

.milestones__track-wrap::-webkit-scrollbar-track {
    background: rgba(200, 206, 214, .25);
    border-radius: 999px;
}

.milestones__track {
    position: relative;
    display: flex;
    align-items: center;
    width: max-content;
    min-width: max-content;
    padding: 12px 2vw;
}

.milestones__track::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--track);
    transform: translateY(-50%);
}

.milestones__fill {
    position: absolute;
    top: 50%;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, #1a6b6b, #16a8a8, #6b8e23, #d4900a, #c04040, #8b2a6e);
    transform: translateY(-50%);
    transition: width .5s cubic-bezier(.4, 0, .2, 1);
    pointer-events: none;
}

.milestones__nodes {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 260px;
    column-gap: 18px;
    width: max-content;
    min-width: max-content;
    align-items: center;
    justify-items: center;
    position: relative;
    z-index: 2;
}

.milestone-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    user-select: none;
    scroll-snap-align: center;
}

.milestone-node__dot {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 3px 12px rgba(0, 0, 0, .18);
    transition: transform .22s, box-shadow .22s, outline .22s;
    position: relative;
    z-index: 2;
}

.milestone-node:hover .milestone-node__dot {
    transform: scale(1.10);
    box-shadow: 0 6px 22px rgba(0, 0, 0, .22);
}

.milestone-node.active .milestone-node__dot {
    transform: scale(1.18);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.milestone-node--end .milestone-node__dot {
    width: 14px;
    height: 14px;
    background: var(--track);
    box-shadow: none;
}

.milestone-node[data-idx="0"] .milestone-node__dot {
    background: #1a6b6b;
}

.milestone-node[data-idx="1"] .milestone-node__dot {
    background: #16a8a8;
}

.milestone-node[data-idx="2"] .milestone-node__dot {
    background: #6b8e23;
}

.milestone-node[data-idx="3"] .milestone-node__dot {
    background: #d4900a;
}

.milestone-node[data-idx="4"] .milestone-node__dot {
    background: #c04040;
}

.milestone-node[data-idx="5"] .milestone-node__dot {
    background: #8b2a6e;
}

/* Cards */
.milestones__cards {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 260px;
    column-gap: 18px;
    width: max-content;
    min-width: max-content;
    margin-top: 20px;
    margin-left: 20px;
}

.milestone-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 13px 14px;
    border-top: 3px solid transparent;
    cursor: pointer;
    transition: transform .25s cubic-bezier(.2, .8, .2, 1), box-shadow .25s cubic-bezier(.2, .8, .2, 1), background .22s, border-color .22s;
    height: 100%;
    width: 260px;
    scroll-snap-align: center;
    transform: translateY(0) scale(.985);
    transform-origin: center bottom;
}

.milestone-card:hover {
    transform: translateY(-8px) scale(1);
    box-shadow: 0 18px 42px rgba(0, 0, 0, .16);
}

.milestone-card.active {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 46px rgba(0, 0, 0, .18);
}

.milestone-card[data-idx="0"] {
    border-top-color: #1a6b6b;
}

.milestone-card[data-idx="0"].active {
    background: #e8f3f3;
}

.milestone-card[data-idx="1"] {
    border-top-color: #16a8a8;
}

.milestone-card[data-idx="1"].active {
    background: #e6f7f7;
}

.milestone-card[data-idx="2"] {
    border-top-color: #6b8e23;
}

.milestone-card[data-idx="2"].active {
    background: #eff4e6;
}

.milestone-card[data-idx="3"] {
    border-top-color: #d4900a;
}

.milestone-card[data-idx="3"].active {
    background: #fdf3e3;
}

.milestone-card[data-idx="4"] {
    border-top-color: #c04040;
}

.milestone-card[data-idx="4"].active {
    background: #faeaea;
}

.milestone-card[data-idx="5"] {
    border-top-color: #8b2a6e;
}

.milestone-card[data-idx="5"].active {
    background: #f4e8f0;
}

.milestone-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.milestone-card__icon svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.milestone-card__ribbon,
.milestone-card__year,
.milestone-card__title,
.milestone-card__desc {
    transition: transform .22s ease, opacity .22s ease;
}

.milestone-card.active .milestone-card__ribbon {
    transform: translateY(-1px);
}

.milestone-card.active .milestone-card__title {
    transform: translateY(-1px);
}

.milestone-card[data-idx="0"] .milestone-card__icon {
    background: #c2dede;
}

.milestone-card[data-idx="0"] .milestone-card__icon svg {
    stroke: #1a6b6b;
}

.milestone-card[data-idx="1"] .milestone-card__icon {
    background: #b8e8e8;
}

.milestone-card[data-idx="1"] .milestone-card__icon svg {
    stroke: #16a8a8;
}

.milestone-card[data-idx="2"] .milestone-card__icon {
    background: #d4e6b8;
}

.milestone-card[data-idx="2"] .milestone-card__icon svg {
    stroke: #6b8e23;
}

.milestone-card[data-idx="3"] .milestone-card__icon {
    background: #f5dfa0;
}

.milestone-card[data-idx="3"] .milestone-card__icon svg {
    stroke: #d4900a;
}

.milestone-card[data-idx="4"] .milestone-card__icon {
    background: #f0c0c0;
}

.milestone-card[data-idx="4"] .milestone-card__icon svg {
    stroke: #c04040;
}

.milestone-card[data-idx="5"] .milestone-card__icon {
    background: #ddb8d4;
}

.milestone-card[data-idx="5"] .milestone-card__icon svg {
    stroke: #8b2a6e;
}

.milestone-card__ribbon {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
    color: #fff;
}

.milestone-card[data-idx="0"] .milestone-card__ribbon {
    background: #1a6b6b;
}

.milestone-card[data-idx="1"] .milestone-card__ribbon {
    background: #16a8a8;
}

.milestone-card[data-idx="2"] .milestone-card__ribbon {
    background: #6b8e23;
}

.milestone-card[data-idx="3"] .milestone-card__ribbon {
    background: #d4900a;
}

.milestone-card[data-idx="4"] .milestone-card__ribbon {
    background: #c04040;
}

.milestone-card[data-idx="5"] .milestone-card__ribbon {
    background: #8b2a6e;
}

.milestone-card[data-idx="6"] .milestone-card__icon {
    background: #bfd0ff;
}

.milestone-card[data-idx="6"] .milestone-card__icon svg {
    stroke: #2b6cff;
}

.milestone-card[data-idx="6"] .milestone-card__ribbon {
    background: #2b6cff;
}

.milestone-card[data-idx="7"] .milestone-card__icon {
    background: #f2c59f;
}

.milestone-card[data-idx="7"] .milestone-card__icon svg {
    stroke: #b04f18;
}

.milestone-card[data-idx="7"] .milestone-card__ribbon {
    background: #b04f18;
}

.milestone-card[data-idx="8"] .milestone-card__icon {
    background: #b8e8e0;
}

.milestone-card[data-idx="8"] .milestone-card__icon svg {
    stroke: #00796b;
}

.milestone-card[data-idx="8"] .milestone-card__ribbon {
    background: #00796b;
}

.milestone-card__year {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 2px;
}

.milestone-card__title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 5px;
    line-height: 1.2;
}

.milestone-card__desc {
    font-size: 11px;
    color: var(--text-mid);
    line-height: 1.5;
}

/* Bottom detail */
.milestones__detail {
    display: flex;
    gap: 28px;
    margin-top: 36px;
    padding-top: 32px;
    border-top: 1px solid #e8ecf0;
    align-items: flex-start;
}

.milestones__option-num {
    flex-shrink: 0;
}

.milestones__option-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-light);
}

.milestones__option-big {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 80px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -2px;
    transition: color .3s;
}

.milestones__divider {
    width: 2px;
    align-self: stretch;
    background: #e8ecf0;
    flex-shrink: 0;
}

.milestones__detail-text {
    flex: 1;
}

.milestones__detail-year {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 4px;
    transition: color .3s;
}

.milestones__detail-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.milestones__detail-body {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 14px;
}

.milestones__stats {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.milestones__stat {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 20px;
    background: #f0f2f5;
    color: var(--text-mid);
}

/* Footer */
.milestones__footer {
    display: flex;
    gap: 20px;
    margin-top: 36px;
    flex-wrap: wrap;
}

.milestones__footer-card {
    flex: 1;
    min-width: 180px;
    background: #f7f9fb;
    border-radius: var(--radius);
    padding: 18px 20px;
}

.milestones__footer-card:nth-child(1) {
    border-left: 3px solid #1a6b6b;
}

.milestones__footer-card:nth-child(2) {
    border-left: 3px solid #6b8e23;
}

.milestones__footer-card:nth-child(3) {
    border-left: 3px solid #c04040;
}

.milestones__footer-card strong {
    display: block;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.milestones__footer-card span {
    font-size: 12.5px;
    color: var(--text-mid);
    line-height: 1.5;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.anim {
    animation: fadeUp .35s ease both;
}

@media (max-width: 700px) {
    .milestones__inner {
        padding: 20px 16px 24px;
    }

    .milestones__header {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 16px;
    }

    .milestones__icon-wrap {
        width: 48px;
        height: 48px;
    }

    .milestones__icon-wrap svg {
        width: 30px;
        height: 30px;
    }

    .milestones__panel {
        padding: 10px 12px;
        gap: 10px;
        margin-bottom: 14px;
    }

    .milestones__panel::after {
        left: 18px;
        bottom: -5px;
        border-left-width: 6px;
        border-right-width: 6px;
        border-top-width: 6px;
    }

    .milestones__panel-icon {
        width: 32px;
        height: 32px;
    }

    .milestones__panel-text {
        font-size: 13px;
        line-height: 1.35;
    }

    .milestones__track-wrap {
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .milestones__track {
        padding: 6px 0 4px;
    }

    .milestones__cards {
        grid-auto-columns: 240px;
        column-gap: 12px;
        margin-top: 10px;
    }

    .milestone-card {
        padding: 10px 9px 9px;
    }

    .milestone-card__icon {
        width: 30px;
        height: 30px;
        margin-bottom: 5px;
    }

    .milestone-card__ribbon {
        font-size: 8px;
        padding: 2px 5px;
        margin-bottom: 3px;
    }

    .milestone-card__title {
        font-size: 13px;
        margin-bottom: 4px;
    }

    .milestone-card__desc {
        font-size: 10px;
        line-height: 1.45;
    }

    .milestones__detail {
        flex-direction: column;
        gap: 10px;
        margin-top: 14px;
        padding-top: 14px;
    }

    .milestones__option-big {
        font-size: 46px;
    }

    .milestones__detail-title {
        font-size: 22px;
    }

    .milestones__detail-body {
        font-size: 13px;
        line-height: 1.55;
        margin-bottom: 12px;
    }

    .milestones__footer {
        flex-direction: column;
        gap: 10px;
        margin-top: 16px;
    }

    .milestones__footer-card {
        min-width: 0;
        padding: 11px 12px;
    }
}

@media (max-width: 480px) {
    .milestones__inner {
        padding: 16px 8px 20px;
    }

    .milestones__cards {
        grid-auto-columns: 220px;
    }

    .milestone-node__dot {
        width: 40px;
        height: 40px;
        font-size: 11px;
    }

    .milestones__track {
        padding: 4px 0 2px;
    }

    .milestones__option-label {
        font-size: 11px;
    }

    .milestones__detail-year {
        font-size: 16px;
    }
}