:root {
    --round:#0b1220;
    --tile:#dfe5f0;
    --dim:#fff;
    --line:#ffb300;
    --soft:#111;
    --ink:#d99700;
    --band:#070b16;
    --plain:#fff;
    --alt:color-mix(in srgb, var(--tile) 6%, var(--round));
    --stroke:color-mix(in srgb, var(--tile) 3%, var(--round));
    --shell:color-mix(in srgb, var(--tile) 18%, var(--round));
    --wide:color-mix(in srgb, var(--tile) 68%, var(--round));
    --head:1160px;
    --lead:78ch;
    --core:14px;
    --brand:8px;
    --flow:0 2px 4px rgb(0 0 0 / 10%), 0 16px 40px rgb(0 0 0 / 16%);
    --paper:clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    --frame:clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
    --zone:clamp(1.4rem, 1.24rem + 0.75vw, 1.95rem);
    --fill:clamp(1.95rem, 1.5rem + 1.9vw, 3.1rem)
}

*, *::before, *::after {
    box-sizing:border-box
}

body {
    margin:0;
    background:var(--round);
    color:var(--tile);
    font-family:system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size:var(--paper);
    line-height:1.65;
    -webkit-text-size-adjust:100%;
    overflow-wrap:break-word
}

img {
    max-width:100%;
    height:auto;
    display:block
}

a {
    color:inherit
}

.piece {
    position:sticky;
    top:0;
    z-index:20;
    background:var(--band);
    color:var(--plain)
}

.case-icon, .roof-plain, .piece-icon, .peak-info, .core-dark {
    width:min(100% - 2rem, var(--head));
    margin-inline:auto
}

.piece-icon {
    display:flex;
    align-items:center;
    gap:1.25rem;
    min-height:60px;
    padding-block:0.5rem
}

.zone2 {
    display:inline-flex;
    align-items:center;
    font-weight:700;
    font-size:1.05rem;
    letter-spacing:-0.01em;
    text-decoration:none;
    color:inherit;
    white-space:nowrap;
    flex-shrink:0
}

.zone2 img {
    height:32px;
    width:auto;
    object-fit:contain
}

.header2 {
    display:flex;
    gap:0.15rem;
    margin-inline-end:auto;
    min-width:0
}

.header2 a {
    padding:0.4rem 0.7rem;
    border-radius:var(--brand);
    text-decoration:none;
    color:inherit;
    opacity:0.82;
    white-space:nowrap;
    font-size:0.92rem
}

.header2 a:hover {
    background:color-mix(in srgb, var(--plain) 14%, transparent);
    opacity:1
}

.header2:empty {
    display:none
}

.header2:empty + .piece-alt {
    margin-inline-start:auto
}

.piece-alt {
    display:flex;
    gap:0.5rem;
    flex-shrink:0
}

.canvas {
    display:none;
    position:relative;
    flex-shrink:0
}

.canvas-figure {
    list-style:none;
    cursor:pointer;
    width:40px;
    height:40px;
    display:grid;
    place-items:center;
    border:1px solid color-mix(in srgb, var(--plain) 40%, transparent);
    border-radius:var(--brand)
}

.canvas-figure::-webkit-details-marker {
    display:none
}

.canvas-figure span, .canvas-figure span::after, .canvas-figure span::before {
    content:"";
    display:block;
    width:18px;
    height:2px;
    background:currentColor;
    border-radius:2px
}

.canvas-figure span {
    position:relative
}

.canvas-figure span::before {
    position:absolute;
    top:-6px
}

.canvas-figure span::after {
    position:absolute;
    top:6px
}

.canvas-dark {
    position:absolute;
    inset-inline-end:0;
    top:calc(100% + 0.5rem);
    z-index:25;
    min-width:14rem;
    display:flex;
    flex-direction:column;
    gap:0.15rem;
    padding:0.5rem;
    background:var(--band);
    border:1px solid color-mix(in srgb, var(--plain) 20%, transparent);
    border-radius:var(--core);
    box-shadow:var(--flow)
}

.canvas-dark a {
    padding:0.6rem 0.7rem;
    border-radius:var(--brand);
    text-decoration:none;
    color:var(--plain)
}

.canvas-dark a:hover {
    background:color-mix(in srgb, var(--plain) 12%, transparent)
}

.canvas-dark .teaser {
    margin-top:0.4rem;
    color:var(--plain);
    border-color:color-mix(in srgb, var(--plain) 40%, transparent)
}

.piece .teaser--shut {
    color:inherit;
    border-color:color-mix(in srgb, var(--plain) 45%, transparent)
}

.piece .teaser--shut:hover {
    background:color-mix(in srgb, var(--plain) 14%, transparent)
}

.case {
    background:color-mix(in srgb, var(--plain) 8%, var(--band));
    border-top:1px solid color-mix(in srgb, var(--plain) 12%, transparent);
    font-size:0.9rem
}

.case-icon {
    display:flex;
    gap:0.25rem;
    overflow-x:auto;
    scrollbar-width:none
}

.case-icon::-webkit-scrollbar {
    display:none
}

.case a {
    padding:0.55rem 0.7rem;
    text-decoration:none;
    color:var(--plain);
    opacity:0.8;
    white-space:nowrap;
    border-bottom:2px solid transparent
}

.case a:hover {
    opacity:1;
    border-bottom-color:var(--line)
}

.teaser {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:0.4rem;
    border:1px solid var(--base, transparent);
    border-radius:var(--brand);
    padding:0.6rem 1.1rem;
    font:inherit;
    font-weight:700;
    line-height:1.2;
    text-align:center;
    cursor:pointer;
    text-decoration:none;
    background:var(--line);
    color:var(--soft);
    transition:background-color 0.15s ease, transform 0.05s ease
}

.teaser:hover {
    background:var(--ink)
}

.teaser:active {
    transform:translateY(1px)
}

.teaser--shut {
    background:transparent;
    color:var(--dim);
    border-color:var(--shell)
}

.teaser--shut:hover {
    background:var(--alt)
}

.teaser--open {
    padding:0.9rem 1.8rem;
    font-size:var(--frame)
}

:focus-visible {
    outline:2px solid var(--line);
    outline-offset:2px
}

.sheet h3, .crate, .segment h3, .segment h2, .peak-stub, .sheet h2 {
    color:var(--dim);
    line-height:1.18;
    letter-spacing:-0.02em;
    text-wrap:balance
}

.crate {
    font-size:var(--fill);
    margin:0 0 1rem
}

.peak-stub {
    font-size:var(--zone);
    margin:0 0 1.25rem
}

.segment h3, .sheet h3 {
    font-size:var(--frame);
    margin:1.75rem 0 0.5rem
}

.sheet p, .segment p {
    margin:0 0 1rem
}

.sheet > :last-child, .segment > :last-child {
    margin-bottom:0
}

.segment a, .sheet a {
    color:color-mix(in srgb, var(--line) 72%, var(--dim));
    text-underline-offset:3px
}

.folder {
    display:block
}

.peak {
    padding-block:clamp(2rem, 1.4rem + 2vw, 3.5rem);
    scroll-margin-top:72px
}

.folder > .peak:not(.roof):nth-of-type(odd) {
    background:var(--alt)
}

.sheet {
    max-width:var(--lead)
}

.peak--list .sheet ul {
    list-style:none;
    padding:0;
    margin:0 0 1rem;
    display:grid;
    gap:0.5rem
}

.peak--list .sheet ul > li {
    position:relative;
    padding-inline-start:1.9rem;
    padding-block:0.15rem
}

.peak--list .sheet ul > li::before {
    content:"";
    position:absolute;
    inset-inline-start:0;
    top:0.55em;
    width:0.75rem;
    height:0.4rem;
    border-inline-start:2px solid var(--line);
    border-bottom:2px solid var(--line);
    transform:rotate(-45deg)
}

.peak--list .sheet ol {
    counter-reset:step;
    list-style:none;
    padding:0;
    display:grid;
    gap:0.6rem
}

.peak--list .sheet ol > li {
    counter-increment:step;
    position:relative;
    padding-inline-start:2.6rem
}

.peak--list .sheet ol > li::before {
    content:counter(step);
    position:absolute;
    inset-inline-start:0;
    top:0;
    width:1.8rem;
    height:1.8rem;
    border-radius:50%;
    background:var(--line);
    color:var(--soft);
    font-weight:700;
    font-size:0.9rem;
    display:grid;
    place-items:center
}

.note {
    margin:1.5rem 0;
    padding:1rem 1.25rem;
    border:1px solid var(--shell);
    border-inline-start:3px solid var(--wide);
    border-radius:0 var(--brand) var(--brand) 0;
    background:var(--alt);
    font-size:0.95rem
}

.note p {
    margin:0 0 0.6rem
}

.note > :last-child {
    margin-bottom:0
}

.note strong {
    color:var(--dim)
}

.note--disclosure {
    color:var(--wide);
    font-size:0.88rem;
    background:transparent;
    border-inline-start-color:var(--shell)
}

.note--warning {
    border-inline-start-color:var(--line);
    background:color-mix(in srgb, var(--line) 10%, var(--round))
}

.note--takeaway {
    font-variant-numeric:tabular-nums;
    border-inline-start-color:var(--dim)
}

.note--rg {
    border:1px solid color-mix(in srgb, var(--dim) 30%, var(--shell));
    border-radius:var(--core);
    background:var(--stroke)
}

.note--rg a {
    font-weight:600
}

.note--independent {
    margin-top:2.5rem;
    font-size:0.85rem;
    color:var(--wide);
    background:transparent;
    border:0;
    border-top:1px solid var(--shell);
    border-radius:0;
    padding:1rem 0 0
}

.sheet blockquote, .segment blockquote {
    margin:1.25rem 0;
    padding:1rem 1.25rem;
    border-inline-start:3px solid var(--line);
    border-radius:0 var(--brand) var(--brand) 0;
    background:var(--alt);
    color:var(--wide);
    font-size:0.95rem
}

.sheet blockquote p, .segment blockquote p {
    margin:0 0 0.6rem
}

.sheet blockquote > :last-child, .segment blockquote > :last-child {
    margin-bottom:0
}

.segment blockquote strong, .sheet blockquote strong {
    color:var(--dim)
}

.sheet hr {
    border:0;
    border-top:1px solid var(--shell);
    margin:2rem 0
}

.sheet table {
    width:100%;
    border-collapse:collapse;
    margin:0 0 1.25rem;
    font-size:0.95rem;
    background:var(--stroke);
    border:1px solid var(--shell);
    border-radius:var(--core);
    overflow:hidden
}

.peak--table .sheet {
    max-width:none;
    overflow-x:auto
}

.sheet td, .sheet th {
    border-bottom:1px solid var(--shell);
    padding:0.7rem 0.9rem;
    text-align:start;
    vertical-align:top
}

.sheet caption {
    caption-side:top;
    text-align:start;
    padding:0 0 0.6rem;
    font-weight:700;
    color:var(--dim)
}

.sheet thead th {
    background:color-mix(in srgb, var(--line) 16%, var(--alt));
    color:var(--dim);
    font-weight:700;
    white-space:nowrap
}

.sheet tbody tr:last-child td {
    border-bottom:0
}

.sheet tbody tr:nth-child(even) {
    background:color-mix(in srgb, var(--tile) 3%, transparent)
}

.pane {
    display:grid;
    grid-template-columns:minmax(0, 1fr) minmax(200px, 260px);
    gap:2rem;
    align-items:start
}

.pane-line {
    border:1px solid var(--shell);
    border-radius:var(--core);
    box-shadow:var(--flow);
    width:100%
}

.roof {
    position:relative;
    padding-block:clamp(2rem, 1.2rem + 3vw, 4rem);
    background:var(--band);
    isolation:isolate
}

.roof::before {
    content:"";
    position:absolute;
    inset:0;
    z-index:-1;
    background-image:linear-gradient(rgb(0 0 0 / 72%), rgb(0 0 0 / 82%)), var(--warm, none);
    background-size:cover;
    background-position:center
}

.band-outer {
    margin-top:1.25rem;
    text-align:center
}

.band-outer a {
    color:var(--line);
    font-weight:600
}

.record {
    text-align:center
}

.record-narrow {
    font-size:clamp(3.5rem, 12vw, 6rem);
    line-height:1;
    font-weight:800;
    color:var(--line);
    margin-bottom:0.5rem
}

.record-dark {
    max-width:46ch;
    margin-inline:auto;
    color:var(--wide)
}

.record-small {
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:0.75rem;
    margin-top:1.75rem
}

@media (max-width: 700px) {
    .roof::before {
        background-image:linear-gradient(rgb(0 0 0 / 72%), rgb(0 0 0 / 82%)), var(--edge, var(--warm, none))
    }

}
.roof-plain {
    display:grid;
    grid-template-columns:minmax(0, 1fr) minmax(300px, 22rem);
    grid-template-areas:"title offer" "text offer";
    align-content:start;
    gap:0 2rem
}

.roof .crate {
    grid-area:title;
    color:#fff
}

.roof-flat {
    grid-area:text;
    color:#f2f4f8;
    max-width:62ch
}

.roof .segment {
    margin-bottom:1.5rem
}

.roof-first {
    margin:0.75rem 0 0;
    font-size:0.85rem;
    opacity:0.75
}

.arc {
    grid-area:offer;
    background:var(--round);
    border:1px solid color-mix(in srgb, var(--line) 40%, var(--shell));
    border-radius:var(--core);
    box-shadow:var(--flow);
    overflow:hidden;
    align-self:start
}

.arc .teaser {
    width:100%
}

.arc-thumb {
    display:grid;
    place-items:center;
    min-height:74px;
    padding:0.9rem 1.25rem;
    background:color-mix(in srgb, var(--line) 22%, var(--round));
    color:var(--dim);
    border-bottom:3px solid var(--line)
}

.arc-thumb img {
    height:42px;
    width:auto;
    max-width:100%;
    object-fit:contain
}

.arc-image {
    display:flex;
    flex-direction:column;
    gap:0.6rem;
    padding:1.25rem;
    text-align:center
}

.arc-copy {
    font-weight:800;
    font-size:var(--frame);
    color:inherit;
    text-align:center
}

.arc-wide {
    font-size:0.78rem;
    text-transform:uppercase;
    letter-spacing:0.09em;
    color:var(--wide);
    margin:0
}

.arc-meta {
    font-size:var(--zone);
    font-weight:800;
    line-height:1.15;
    color:var(--dim);
    margin:0;
    text-wrap:balance
}

.arc-soft {
    font-size:0.8rem;
    color:var(--wide);
    margin:0
}

.margin {
    padding-block:1.5rem
}

.plane {
    border:1px solid var(--shell);
    border-radius:var(--core);
    background:var(--stroke);
    padding:0.5rem 1.1rem
}

.plane-edge {
    cursor:pointer;
    font-weight:700;
    color:var(--dim);
    padding-block:0.6rem;
    list-style:none;
    display:flex;
    align-items:center;
    gap:0.5rem
}

.plane-edge::-webkit-details-marker {
    display:none
}

.plane-edge::before {
    content:"";
    width:0.5rem;
    height:0.5rem;
    border-inline-end:2px solid var(--line);
    border-bottom:2px solid var(--line);
    transform:rotate(45deg);
    transition:transform 0.15s ease
}

.plane[open] .plane-edge::before {
    transform:rotate(-135deg)
}

.plane-light {
    columns:2;
    gap:2rem;
    margin:0 0 0.75rem;
    padding-inline-start:1.2rem;
    font-size:0.95rem
}

.plane-light li {
    break-inside:avoid;
    margin-bottom:0.3rem
}

.plane-light a {
    color:var(--wide);
    text-underline-offset:3px
}

.plane-light a:hover {
    color:var(--dim)
}

.trail {
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
    gap:1rem;
    list-style:none;
    margin:0;
    padding:0
}

.shell {
    display:flex;
    flex-direction:column;
    background:var(--stroke);
    border:1px solid var(--shell);
    border-radius:var(--core);
    overflow:hidden;
    transition:border-color 0.15s ease, transform 0.15s ease
}

.shell:hover {
    border-color:var(--line);
    transform:translateY(-2px)
}

.shell-plain {
    aspect-ratio:4 / 3;
    overflow:hidden;
    background:var(--alt)
}

.shell-plain img {
    width:100%;
    height:100%;
    object-fit:cover
}

.shell-info {
    display:flex;
    flex-direction:column;
    gap:0.7rem;
    padding:0.85rem;
    margin-top:auto
}

.shell-open {
    font-weight:600;
    color:var(--dim);
    line-height:1.3;
    margin:0
}

.shell .teaser {
    width:100%;
    padding-block:0.5rem;
    font-size:0.95rem
}

.summary-outer {
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
    gap:1rem;
    list-style:none;
    margin:0;
    padding:0
}

.binder {
    background:var(--round);
    border:1px solid var(--shell);
    border-radius:var(--core);
    padding:1.1rem 1.2rem
}

.binder-side {
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:0.5rem;
    margin-bottom:0.4rem
}

.binder-meta {
    font-weight:700;
    color:var(--dim)
}

.binder-flat {
    color:var(--line);
    font-weight:700;
    white-space:nowrap
}

.binder-image {
    margin:0;
    color:var(--wide)
}

.slab-narrow {
    display:grid;
    gap:0.5rem;
    max-width:var(--lead)
}

.slab-large {
    border:1px solid var(--shell);
    border-radius:var(--brand);
    background:var(--stroke);
    padding:0 1.1rem
}

.slab-view {
    cursor:pointer;
    font-weight:600;
    color:var(--dim);
    padding-block:0.9rem;
    list-style:none;
    display:flex;
    align-items:flex-start;
    gap:0.75rem
}

.slab-view::-webkit-details-marker {
    display:none
}

.slab-view::before {
    content:"+";
    color:var(--line);
    font-weight:700;
    line-height:1.4;
    flex-shrink:0
}

.slab-large[open] .slab-view::before {
    content:"−"
}

.slab-dark {
    color:var(--wide);
    padding-bottom:1rem
}

.slab-dark > :first-child {
    margin-top:0
}

.slab-dark > :last-child {
    margin-bottom:0
}

.step {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:1rem 2rem;
    padding:1.5rem;
    border-radius:var(--core);
    background:color-mix(in srgb, var(--line) 12%, var(--alt));
    border:1px solid color-mix(in srgb, var(--line) 35%, var(--shell))
}

.step-shut {
    margin:0;
    font-size:var(--frame);
    font-weight:800;
    color:var(--dim);
    text-wrap:balance
}

.step-view {
    margin:0.25rem 0 0;
    font-size:0.82rem;
    color:var(--wide)
}

.core {
    border-top:1px solid var(--shell);
    background:var(--alt);
    color:var(--wide);
    padding-block:2rem 6rem
}

.core-dark {
    display:flex;
    flex-wrap:wrap;
    gap:1rem 1.5rem;
    align-items:center;
    padding-bottom:1.25rem;
    border-bottom:1px solid var(--shell)
}

.core-cell {
    margin-inline-end:auto;
    font-weight:700;
    color:var(--dim)
}

.core-cell img {
    height:32px;
    width:auto;
    object-fit:contain
}

.core-link {
    display:flex;
    flex-wrap:wrap;
    gap:0.25rem 1rem
}

.core-link:empty {
    display:none
}

.core-link a {
    text-decoration:none
}

.core-link a:hover {
    text-decoration:underline
}

.core-plain {
    width:min(100% - 2rem, var(--head));
    margin-inline:auto;
    padding-top:1.25rem;
    font-size:0.85rem;
    display:grid;
    gap:0.5rem
}

.core-plain p {
    margin:0
}

.core-off {
    display:flex;
    align-items:center;
    gap:0.5rem;
    flex-wrap:wrap
}

.circuit {
    display:inline-grid;
    place-items:center;
    min-width:2.1rem;
    height:2.1rem;
    border:2px solid currentColor;
    border-radius:50%;
    font-weight:800;
    font-size:0.78rem
}

.quarter {
    position:fixed;
    inset-inline:0;
    bottom:0;
    z-index:30;
    display:flex;
    align-items:center;
    gap:1rem;
    padding:0.6rem 1rem calc(0.6rem + env(safe-area-inset-bottom));
    background:color-mix(in srgb, var(--line) 14%, var(--band));
    color:var(--plain);
    border-top:1px solid color-mix(in srgb, var(--line) 45%, transparent)
}

.quarter-meta {
    display:flex;
    flex-direction:column;
    min-width:0;
    line-height:1.25
}

.quarter-flat {
    font-weight:800;
    color:var(--plain);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap
}

.quarter-light {
    font-size:0.75rem;
    opacity:0.7
}

.quarter .teaser {
    margin-inline-start:auto;
    flex-shrink:0
}

@media (max-width: 960px) {
    .roof-plain {
        grid-template-columns:1fr;
        grid-template-areas:"title" "offer" "text";
        gap:1.25rem
    }

    .pane {
        grid-template-columns:1fr
    }

    .pane-line {
        max-width:260px;
        margin-inline:auto
    }

}
@media (max-width: 700px) {
    .plane-light {
        columns:1
    }

    .trail {
        grid-template-columns:repeat(auto-fill, minmax(145px, 1fr));
        gap:0.75rem
    }

}
@media (max-width: 640px) {
    .piece {
        position:static
    }

    .piece-icon {
        flex-wrap:wrap;
        gap:0.5rem 0.75rem;
        padding-block:0.6rem
    }

    .piece-icon {
        flex-wrap:nowrap
    }

    .case, .header2, .piece-alt .teaser--shut {
        display:none
    }

    .header2 + .piece-alt {
        margin-inline-start:auto
    }

    .canvas {
        display:block;
        order:3
    }

    .piece-alt {
        margin-inline-start:auto
    }

    .piece-alt .teaser {
        padding:0.5rem 0.8rem;
        font-size:0.9rem
    }

    .peak {
        padding-block:1.75rem
    }

    .step, .arc-image {
        padding:1.15rem
    }

    .roof-flat .teaser--open, .step .teaser--open {
        width:100%
    }

    .quarter-light {
        display:none
    }

}
@media (prefers-reduced-motion: reduce) {
    *, *::before {
        transition:none !important
    }

}