:root
{
  --flow:#0b1220;
  --frame:#dfe5f0;
  --fill:#ffffff;
  --lift:#ffb300;
  --stroke:#111111;
  --soft:#d99700;
  --deep:#070b16;
  --dim:#ffffff;
  --lead:color-mix(in srgb, var(--frame) 6%, var(--flow));
  --edge:color-mix(in srgb, var(--frame) 3%, var(--flow));
  --core:color-mix(in srgb, var(--frame) 18%, var(--flow));
  --thin:color-mix(in srgb, var(--frame) 68%, var(--flow));
  --body:1160px;
  --paper:78ch;
  --card:14px;
  --cool:8px;
  --space:0 2px 4px rgb(0 0 0 / 10%), 0 16px 40px rgb(0 0 0 / 16%);
  --head:clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --warm:clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --flat:clamp(1.4rem, 1.24rem + 0.75vw, 1.95rem);
  --bold:clamp(1.95rem, 1.5rem + 1.9vw, 3.1rem)
}
*::before, *, *::after
{
  box-sizing:border-box
}
body
{
  margin:0;
  background:var(--flow);
  color:var(--frame);
  font-family:system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size:var(--head);
  line-height:1.65;
  -webkit-text-size-adjust:100%;
  overflow-wrap:break-word
}
img
{
  max-width:100%;
  height:auto;
  display:block
}
a
{
  color:inherit
}
.plane
{
  position:sticky;
  top:0;
  z-index:20;
  background:var(--deep);
  color:var(--dim)
}
.plane_thumb, .slab_narrow, .module_lead, .aside_small, .cluster_top
{
  width:min(100% - 2rem, var(--body));
  margin-inline:auto
}
.plane_thumb
{
  display:flex;
  align-items:center;
  gap:1.25rem;
  min-height:60px;
  padding-block:0.5rem
}
.ribbon
{
  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
}
.ribbon img
{
  height:32px;
  width:auto;
  object-fit:contain
}
.rack
{
  display:flex;
  gap:0.15rem;
  margin-inline-end:auto;
  min-width:0
}
.rack a
{
  padding:0.4rem 0.7rem;
  border-radius:var(--cool);
  text-decoration:none;
  color:inherit;
  opacity:0.82;
  white-space:nowrap;
  font-size:0.92rem
}
.rack a:hover
{
  background:color-mix(in srgb, var(--dim) 14%, transparent);
  opacity:1
}
.rack:empty
{
  display:none
}
.rack:empty + .plane_plain
{
  margin-inline-start:auto
}
.plane_plain
{
  display:flex;
  gap:0.5rem;
  flex-shrink:0
}
.batch
{
  display:none;
  position:relative;
  flex-shrink:0
}
.batch_less
{
  list-style:none;
  cursor:pointer;
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border:1px solid color-mix(in srgb, var(--dim) 40%, transparent);
  border-radius:var(--cool)
}
.batch_less::-webkit-details-marker
{
  display:none
}
.batch_less span::after, .batch_less span, .batch_less span::before
{
  content:"";
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  border-radius:2px
}
.batch_less span
{
  position:relative
}
.batch_less span::before
{
  position:absolute;
  top:-6px
}
.batch_less span::after
{
  position:absolute;
  top:6px
}
.batch_stub
{
  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(--deep);
  border:1px solid color-mix(in srgb, var(--dim) 20%, transparent);
  border-radius:var(--card);
  box-shadow:var(--space)
}
.batch_stub a
{
  padding:0.6rem 0.7rem;
  border-radius:var(--cool);
  text-decoration:none;
  color:var(--dim)
}
.batch_stub a:hover
{
  background:color-mix(in srgb, var(--dim) 12%, transparent)
}
.batch_stub .drawer
{
  margin-top:0.4rem;
  color:var(--dim);
  border-color:color-mix(in srgb, var(--dim) 40%, transparent)
}
.plane .drawer_alt
{
  color:inherit;
  border-color:color-mix(in srgb, var(--dim) 45%, transparent)
}
.plane .drawer_alt:hover
{
  background:color-mix(in srgb, var(--dim) 14%, transparent)
}
.cluster
{
  background:color-mix(in srgb, var(--dim) 8%, var(--deep));
  border-top:1px solid color-mix(in srgb, var(--dim) 12%, transparent);
  font-size:0.9rem
}
.cluster_top
{
  display:flex;
  gap:0.25rem;
  overflow-x:auto;
  scrollbar-width:none
}
.cluster_top::-webkit-scrollbar
{
  display:none
}
.cluster a
{
  padding:0.55rem 0.7rem;
  text-decoration:none;
  color:var(--dim);
  opacity:0.8;
  white-space:nowrap;
  border-bottom:2px solid transparent
}
.cluster a:hover
{
  opacity:1;
  border-bottom-color:var(--lift)
}
.drawer
{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.4rem;
  border:1px solid var(--depth, transparent);
  border-radius:var(--cool);
  padding:0.6rem 1.1rem;
  font:inherit;
  font-weight:700;
  line-height:1.2;
  text-align:center;
  cursor:pointer;
  text-decoration:none;
  background:var(--lift);
  color:var(--stroke);
  transition:background-color 0.15s ease, transform 0.05s ease
}
.drawer:hover
{
  background:var(--soft)
}
.drawer:active
{
  transform:translateY(1px)
}
.drawer_alt
{
  background:transparent;
  color:var(--fill);
  border-color:var(--core)
}
.drawer_alt:hover
{
  background:var(--lead)
}
.drawer_outer
{
  padding:0.9rem 1.8rem;
  font-size:var(--warm)
}
:focus-visible
{
  outline:2px solid var(--lift);
  outline-offset:2px
}
.container, .entry h2, .aside_icon, .door h3, .door h2, .entry h3
{
  color:var(--fill);
  line-height:1.18;
  letter-spacing:-0.02em;
  text-wrap:balance
}
.container
{
  font-size:var(--bold);
  margin:0 0 1rem
}
.aside_icon
{
  font-size:var(--flat);
  margin:0 0 1.25rem
}
.entry h3, .door h3
{
  font-size:var(--warm);
  margin:1.75rem 0 0.5rem
}
.door p, .entry p
{
  margin:0 0 1rem
}
.entry > :last-child, .door > :last-child
{
  margin-bottom:0
}
.entry a, .door a
{
  color:color-mix(in srgb, var(--lift) 72%, var(--fill));
  text-underline-offset:3px
}
.root
{
  display:block
}
.aside
{
  padding-block:clamp(2rem, 1.4rem + 2vw, 3.5rem);
  scroll-margin-top:72px
}
.root > .aside:not(.module):nth-of-type(odd)
{
  background:var(--lead)
}
.door
{
  max-width:var(--paper)
}
.aside_list .door ul
{
  list-style:none;
  padding:0;
  margin:0 0 1rem;
  display:grid;
  gap:0.5rem
}
.aside_list .door ul > li
{
  position:relative;
  padding-inline-start:1.9rem;
  padding-block:0.15rem
}
.aside_list .door 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(--lift);
  border-bottom:2px solid var(--lift);
  transform:rotate(-45deg)
}
.aside_list .door ol
{
  counter-reset:step;
  list-style:none;
  padding:0;
  display:grid;
  gap:0.6rem
}
.aside_list .door ol > li
{
  counter-increment:step;
  position:relative;
  padding-inline-start:2.6rem
}
.aside_list .door 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(--lift);
  color:var(--stroke);
  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(--core);
  border-inline-start:3px solid var(--thin);
  border-radius:0 var(--cool) var(--cool) 0;
  background:var(--lead);
  font-size:0.95rem
}
.note p
{
  margin:0 0 0.6rem
}
.note > :last-child
{
  margin-bottom:0
}
.note strong
{
  color:var(--fill)
}
.note--disclosure
{
  color:var(--thin);
  font-size:0.88rem;
  background:transparent;
  border-inline-start-color:var(--core)
}
.note--warning
{
  border-inline-start-color:var(--lift);
  background:color-mix(in srgb, var(--lift) 10%, var(--flow))
}
.note--takeaway
{
  font-variant-numeric:tabular-nums;
  border-inline-start-color:var(--fill)
}
.note--rg
{
  border:1px solid color-mix(in srgb, var(--fill) 30%, var(--core));
  border-radius:var(--card);
  background:var(--edge)
}
.note--rg a
{
  font-weight:600
}
.note--independent
{
  margin-top:2.5rem;
  font-size:0.85rem;
  color:var(--thin);
  background:transparent;
  border:0;
  border-top:1px solid var(--core);
  border-radius:0;
  padding:1rem 0 0
}
.door blockquote, .entry blockquote
{
  margin:1.25rem 0;
  padding:1rem 1.25rem;
  border-inline-start:3px solid var(--lift);
  border-radius:0 var(--cool) var(--cool) 0;
  background:var(--lead);
  color:var(--thin);
  font-size:0.95rem
}
.door blockquote p, .entry blockquote p
{
  margin:0 0 0.6rem
}
.entry blockquote > :last-child, .door blockquote > :last-child
{
  margin-bottom:0
}
.door blockquote strong, .entry blockquote strong
{
  color:var(--fill)
}
.door hr
{
  border:0;
  border-top:1px solid var(--core);
  margin:2rem 0
}
.door table
{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.25rem;
  font-size:0.95rem;
  background:var(--edge);
  border:1px solid var(--core);
  border-radius:var(--card);
  overflow:hidden
}
.aside_table .door
{
  max-width:none;
  overflow-x:auto
}
.door td, .door th
{
  border-bottom:1px solid var(--core);
  padding:0.7rem 0.9rem;
  text-align:start;
  vertical-align:top
}
.door caption
{
  caption-side:top;
  text-align:start;
  padding:0 0 0.6rem;
  font-weight:700;
  color:var(--fill)
}
.door thead th
{
  background:color-mix(in srgb, var(--lift) 16%, var(--lead));
  color:var(--fill);
  font-weight:700;
  white-space:nowrap
}
.door tbody tr:last-child td
{
  border-bottom:0
}
.door tbody tr:nth-child(even)
{
  background:color-mix(in srgb, var(--frame) 3%, transparent)
}
.segment
{
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(200px, 260px);
  gap:2rem;
  align-items:start
}
.segment_link
{
  border:1px solid var(--core);
  border-radius:var(--card);
  box-shadow:var(--space);
  width:100%
}
.module
{
  position:relative;
  padding-block:clamp(2rem, 1.2rem + 3vw, 4rem);
  background:var(--deep);
  isolation:isolate
}
.module::before
{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(rgb(0 0 0 / 72%), rgb(0 0 0 / 82%)), var(--tone, none);
  background-size:cover;
  background-position:center
}
.course_image
{
  margin-top:1.25rem;
  text-align:center
}
.course_image a
{
  color:var(--lift);
  font-weight:600
}
.holder
{
  text-align:center
}
.holder_alt
{
  font-size:clamp(3.5rem, 12vw, 6rem);
  line-height:1;
  font-weight:800;
  color:var(--lift);
  margin-bottom:0.5rem
}
.holder_wide
{
  max-width:46ch;
  margin-inline:auto;
  color:var(--thin)
}
.holder_bold
{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:0.75rem;
  margin-top:1.75rem
}
@media (max-width: 700px) {
  .module::before
  {
    background-image:linear-gradient(rgb(0 0 0 / 72%), rgb(0 0 0 / 82%)), var(--base, var(--tone, none))
  }
}
.module_lead
{
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(300px, 22rem);
  grid-template-areas:"title offer" "text offer";
  align-content:start;
  gap:0 2rem
}
.module .container
{
  grid-area:title;
  color:#ffffff
}
.module_copy
{
  grid-area:text;
  color:#f2f4f8;
  max-width:62ch
}
.module .entry
{
  margin-bottom:1.5rem
}
.module_on
{
  margin:0.75rem 0 0;
  font-size:0.85rem;
  opacity:0.75
}
.ceiling
{
  grid-area:offer;
  background:var(--flow);
  border:1px solid color-mix(in srgb, var(--lift) 40%, var(--core));
  border-radius:var(--card);
  box-shadow:var(--space);
  overflow:hidden;
  align-self:start
}
.ceiling .drawer
{
  width:100%
}
.ceiling_bold
{
  display:grid;
  place-items:center;
  min-height:74px;
  padding:0.9rem 1.25rem;
  background:color-mix(in srgb, var(--lift) 22%, var(--flow));
  color:var(--fill);
  border-bottom:3px solid var(--lift)
}
.ceiling_bold img
{
  height:42px;
  width:auto;
  max-width:100%;
  object-fit:contain
}
.ceiling_thumb
{
  display:flex;
  flex-direction:column;
  gap:0.6rem;
  padding:1.25rem;
  text-align:center
}
.ceiling_dark
{
  font-weight:800;
  font-size:var(--warm);
  color:inherit;
  text-align:center
}
.ceiling_cell
{
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.09em;
  color:var(--thin);
  margin:0
}
.ceiling_bottom
{
  font-size:var(--flat);
  font-weight:800;
  line-height:1.15;
  color:var(--fill);
  margin:0;
  text-wrap:balance
}
.ceiling_alt
{
  font-size:0.8rem;
  color:var(--thin);
  margin:0
}
.basket
{
  padding-block:1.5rem
}
.chain
{
  border:1px solid var(--core);
  border-radius:var(--card);
  background:var(--edge);
  padding:0.5rem 1.1rem
}
.chain_cell
{
  cursor:pointer;
  font-weight:700;
  color:var(--fill);
  padding-block:0.6rem;
  list-style:none;
  display:flex;
  align-items:center;
  gap:0.5rem
}
.chain_cell::-webkit-details-marker
{
  display:none
}
.chain_cell::before
{
  content:"";
  width:0.5rem;
  height:0.5rem;
  border-inline-end:2px solid var(--lift);
  border-bottom:2px solid var(--lift);
  transform:rotate(45deg);
  transition:transform 0.15s ease
}
.chain[open] .chain_cell::before
{
  transform:rotate(-135deg)
}
.chain_last
{
  columns:2;
  gap:2rem;
  margin:0 0 0.75rem;
  padding-inline-start:1.2rem;
  font-size:0.95rem
}
.chain_last li
{
  break-inside:avoid;
  margin-bottom:0.3rem
}
.chain_last a
{
  color:var(--thin);
  text-underline-offset:3px
}
.chain_last a:hover
{
  color:var(--fill)
}
.tier
{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
  gap:1rem;
  list-style:none;
  margin:0;
  padding:0
}
.band
{
  display:flex;
  flex-direction:column;
  background:var(--edge);
  border:1px solid var(--core);
  border-radius:var(--card);
  overflow:hidden;
  transition:border-color 0.15s ease, transform 0.15s ease
}
.band:hover
{
  border-color:var(--lift);
  transform:translateY(-2px)
}
.band_open
{
  aspect-ratio:4 / 3;
  overflow:hidden;
  background:var(--lead)
}
.band_open img
{
  width:100%;
  height:100%;
  object-fit:cover
}
.band_on
{
  display:flex;
  flex-direction:column;
  gap:0.7rem;
  padding:0.85rem;
  margin-top:auto
}
.band_top
{
  font-weight:600;
  color:var(--fill);
  line-height:1.3;
  margin:0
}
.band .drawer
{
  width:100%;
  padding-block:0.5rem;
  font-size:0.95rem
}
.margin_edge
{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:1rem;
  list-style:none;
  margin:0;
  padding:0
}
.corner
{
  background:var(--flow);
  border:1px solid var(--core);
  border-radius:var(--card);
  padding:1.1rem 1.2rem
}
.corner_open
{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:0.5rem;
  margin-bottom:0.4rem
}
.corner_image
{
  font-weight:700;
  color:var(--fill)
}
.corner_dark
{
  color:var(--lift);
  font-weight:700;
  white-space:nowrap
}
.corner_line
{
  margin:0;
  color:var(--thin)
}
.ledge2_line
{
  display:grid;
  gap:0.5rem;
  max-width:var(--paper)
}
.ledge2_link
{
  border:1px solid var(--core);
  border-radius:var(--cool);
  background:var(--edge);
  padding:0 1.1rem
}
.ledge2_stub
{
  cursor:pointer;
  font-weight:600;
  color:var(--fill);
  padding-block:0.9rem;
  list-style:none;
  display:flex;
  align-items:flex-start;
  gap:0.75rem
}
.ledge2_stub::-webkit-details-marker
{
  display:none
}
.ledge2_stub::before
{
  content:"+";
  color:var(--lift);
  font-weight:700;
  line-height:1.4;
  flex-shrink:0
}
.ledge2_link[open] .ledge2_stub::before
{
  content:"−"
}
.ledge2_thumb
{
  color:var(--thin);
  padding-bottom:1rem
}
.ledge2_thumb > :first-child
{
  margin-top:0
}
.ledge2_thumb > :last-child
{
  margin-bottom:0
}
.region
{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1rem 2rem;
  padding:1.5rem;
  border-radius:var(--card);
  background:color-mix(in srgb, var(--lift) 12%, var(--lead));
  border:1px solid color-mix(in srgb, var(--lift) 35%, var(--core))
}
.region_edge
{
  margin:0;
  font-size:var(--warm);
  font-weight:800;
  color:var(--fill);
  text-wrap:balance
}
.region_bold
{
  margin:0.25rem 0 0;
  font-size:0.82rem;
  color:var(--thin)
}
.slab
{
  border-top:1px solid var(--core);
  background:var(--lead);
  color:var(--thin);
  padding-block:2rem 6rem
}
.slab_narrow
{
  display:flex;
  flex-wrap:wrap;
  gap:1rem 1.5rem;
  align-items:center;
  padding-bottom:1.25rem;
  border-bottom:1px solid var(--core)
}
.slab_soft
{
  margin-inline-end:auto;
  font-weight:700;
  color:var(--fill)
}
.slab_soft img
{
  height:32px;
  width:auto;
  object-fit:contain
}
.slab_light
{
  display:flex;
  flex-wrap:wrap;
  gap:0.25rem 1rem
}
.slab_light:empty
{
  display:none
}
.slab_light a
{
  text-decoration:none
}
.slab_light a:hover
{
  text-decoration:underline
}
.slab_last
{
  width:min(100% - 2rem, var(--body));
  margin-inline:auto;
  padding-top:1.25rem;
  font-size:0.85rem;
  display:grid;
  gap:0.5rem
}
.slab_last p
{
  margin:0
}
.slab_link
{
  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
}
.window
{
  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(--lift) 14%, var(--deep));
  color:var(--dim);
  border-top:1px solid color-mix(in srgb, var(--lift) 45%, transparent)
}
.window_less
{
  display:flex;
  flex-direction:column;
  min-width:0;
  line-height:1.25
}
.window_on
{
  font-weight:800;
  color:var(--dim);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap
}
.window_alt
{
  font-size:0.75rem;
  opacity:0.7
}
.window .drawer
{
  margin-inline-start:auto;
  flex-shrink:0
}
@media (max-width: 960px) {
  .module_lead
  {
    grid-template-columns:1fr;
    grid-template-areas:"title" "offer" "text";
    gap:1.25rem
  }
  .segment
  {
    grid-template-columns:1fr
  }
  .segment_link
  {
    max-width:260px;
    margin-inline:auto
  }
}
@media (max-width: 700px) {
  .chain_last
  {
    columns:1
  }
  .tier
  {
    grid-template-columns:repeat(auto-fill, minmax(145px, 1fr));
    gap:0.75rem
  }
}
@media (max-width: 640px) {
  .plane
  {
    position:static
  }
  .plane_thumb
  {
    flex-wrap:wrap;
    gap:0.5rem 0.75rem;
    padding-block:0.6rem
  }
  .plane_thumb
  {
    flex-wrap:nowrap
  }
  .cluster, .plane_plain .drawer_alt, .rack
  {
    display:none
  }
  .rack + .plane_plain
  {
    margin-inline-start:auto
  }
  .batch
  {
    display:block;
    order:3
  }
  .plane_plain
  {
    margin-inline-start:auto
  }
  .plane_plain .drawer
  {
    padding:0.5rem 0.8rem;
    font-size:0.9rem
  }
  .aside
  {
    padding-block:1.75rem
  }
  .ceiling_thumb, .region
  {
    padding:1.15rem
  }
  .module_copy .drawer_outer, .region .drawer_outer
  {
    width:100%
  }
  .window_alt
  {
    display:none
  }
}
@media (prefers-reduced-motion: reduce) {
  *::before, *
  {
    transition:none !important
  }
}