.cd{
  --ink: #C0C0C0;
  --ink-strong: #E9E9E9;
  --bg: rgba(12,14,18,.65);
  --border: rgba(255,255,255,.10);
  --shadow: 0 14px 36px rgba(0,0,0,.45);
  --radius: 18px;

  color: var(--ink);
  padding: clamp(40px, 6vw, 120px) 0;
  position: relative;
}

.cd::before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(1200px 300px at 50% 0%,
      rgba(10,12,16,.45), transparent 60%),
    radial-gradient(900px 280px at 50% 100%,
      rgba(10,12,16,.40), transparent 65%);
  pointer-events:none;
  z-index:-1;
}

.cd__inner{ max-width: 1100px; margin: 0 auto; padding: 0 clamp(16px,3vw,32px); }

.cd__header{ text-align:center; margin-bottom: clamp(22px,3.2vw,34px); }
.cd__title{
  margin: 0;
  font-weight: 900;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.08;
  color: var(--ink-strong);
  letter-spacing: .2px;
  display:inline-block;
}
.cd__rule{
  height: 3px; width: min(280px, 36%);
  margin: 12px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--ink), transparent);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.35));
}

.cd__card{
  background: var(--bg);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  backdrop-filter: blur(8px) saturate(120%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(18px,3.2vw,28px) clamp(18px,3.2vw,34px);
}

.cd__grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 18px) clamp(32px, 4vw, 64px);
  margin: 0;
}
@media (max-width: 820px){
  .cd__grid{ grid-template-columns: 1fr; }
}

.cd__row{
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: clamp(16px, 2vw, 28px);
  align-items: start;
  padding: 10px 0;
  position: relative;
}
.cd__row::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  opacity: .6;
}

.cd__term{
  margin: 0;
  font-weight: 900;
  color: var(--ink-strong);
  white-space: nowrap;
}
.cd__def{
  margin: 0;
  font-weight: 700;
  line-height: 1.9;
  color: var(--ink);
}

.cd__def code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-weight: 800;
  color: var(--ink-strong);
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.06);
  padding: 2px 6px;
  border-radius: 8px;
}

@media (hover:hover){
  .cd__row:hover::after{ opacity: .95; }
}

[data-reveal] .rv{opacity:0;visibility:hidden;transform:translate3d(0,12px,0)}
[data-reveal] .rv-show{opacity:1;visibility:visible;transform:translate3d(0,0,0)}


.cd{
  --term-col: 16ch;           --row-vpad: 10px;           --row-gap: clamp(16px, 2vw, 28px); }

.cd__grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 18px) clamp(32px, 4vw, 64px);
}
@media (max-width: 820px){
  .cd__grid{ grid-template-columns: 1fr; }
}

.cd__row{
  display: grid;
  grid-template-columns: var(--term-col) 1fr;   column-gap: var(--row-gap);
  align-items: center;         padding: var(--row-vpad) 0;
  position: relative;
  min-height: 44px;          }

.cd__row::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  opacity: .6;
  pointer-events: none;
}
.cd__grid > *:last-child .cd__row:last-child::after,
.cd__grid > *:nth-last-child(2) .cd__row:last-child::after{
  opacity: 0;
}

.cd__term{
  margin: 0;
  font-weight: 900;
  color: var(--ink-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  align-self: center;
}

.cd__def{
  margin: 0;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
    font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-feature-settings: "tnum" 1, "lnum" 1;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

.cd__def code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-weight: 800;
  color: var(--ink-strong);
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.06);
  padding: 2px 6px;
  border-radius: 8px;
  line-height: 1.2;
}

@media (max-width: 600px){
  .cd{ --term-col: 12ch; }                   .cd__row{ min-height: 40px; }              .cd__term{ white-space: normal; }        }

@media (hover:hover){
  .cd__row:hover::after{ opacity: .95; }
}