/* DDBD hero, ported from the DDBD docs landing page (VitePress) to plain HTML/CSS.
   Every rule is scoped under .p-ddbd; classes are prefixed pdd-; keyframes are prefixed pdd-. Light theme only.
   Font URLs are root-absolute so they resolve the same whether this file is linked or concatenated elsewhere. */

@font-face {
  font-family: "DDBD JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/products/ddbd/fonts/jetbrains-mono-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "DDBD JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/products/ddbd/fonts/jetbrains-mono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- tokens + section band ---------- */
.p-ddbd {
  --pdd-font: "DDBD JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --pdd-ink: #111111;
  --pdd-paper: #ffffff;
  --pdd-muted: #5e5e5e;
  --pdd-line: #d9d9d9;
  --pdd-soft: #f1f1f1;
  --pdd-shadow: rgba(17, 17, 17, 0.14);
  --pdd-block: #c6c6c6;
  --pdd-grid: rgba(17, 17, 17, 0.045);

  display: block;
  box-sizing: border-box;
  margin: 0;
  color: var(--pdd-ink);
  font-family: var(--pdd-font);
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  text-align: left;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* JetBrains Mono would draw >= as one sign; here it stays two characters */
  font-variant-ligatures: none;
  font-feature-settings: "calt" 0, "liga" 0;

  border-bottom: 1px solid var(--pdd-line);
  background-color: var(--pdd-paper);
  background-image:
    linear-gradient(var(--pdd-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pdd-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
  overflow-x: clip;
}
.p-ddbd *,
.p-ddbd *::before,
.p-ddbd *::after { box-sizing: border-box; }

/* ---------- layout ---------- */
.p-ddbd .pdd-wrap { max-width: 1152px; margin: 0 auto; padding: 0 32px; }
.p-ddbd .pdd-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 96px;
}
.p-ddbd .pdd-hero-text { min-width: 0; }

/* ---------- text ---------- */
.p-ddbd .pdd-eyebrow,
.p-ddbd .pdd-lead,
.p-ddbd .pdd-sub { font-family: var(--pdd-font); font-size: 15.5px; line-height: 1.75; margin: 0 0 16px; padding: 0; }
.p-ddbd .pdd-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pdd-muted);
  margin: 0 0 18px;
}
.p-ddbd .pdd-name {
  display: flex;
  align-items: center;
  gap: 0.2em;
  font-family: var(--pdd-font);
  font-size: clamp(52px, 8.4vw, 104px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.045em;
  color: var(--pdd-ink);
  text-transform: none;
  margin: 0;
  padding: 0;
  border: 0;
}
/* the logo mark before the name */
.p-ddbd .pdd-name-mark {
  flex: none;
  width: 0.86em;
  height: 0.86em;
  fill: none;
  stroke: var(--pdd-paper);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.p-ddbd .pdd-name-mark rect { fill: var(--pdd-ink); stroke: none; }
.p-ddbd .pdd-lead { font-size: clamp(19px, 2.2vw, 24px); line-height: 1.4; font-weight: 600; letter-spacing: -0.01em; color: var(--pdd-ink); margin: 28px 0 0; }
.p-ddbd .pdd-sub { font-size: 17px; line-height: 1.6; color: var(--pdd-muted); margin: 12px 0 0; max-width: 34rem; }
.p-ddbd .pdd-nw { white-space: nowrap; }

/* ---------- install command (CmdLine) ---------- */
.p-ddbd .pdd-cmd {
  display: flex;
  align-items: stretch;
  background: #141414;
  color: #e1e4e8;
  border: 1px solid #2a2a2a;
  box-shadow: 3px 3px var(--pdd-shadow);
  min-width: 0;
}
.p-ddbd .pdd-hero-cmd { margin-top: 32px; max-width: 34rem; }
.p-ddbd .pdd-cmd-view { position: relative; flex: 1; min-width: 0; display: flex; }
/* part of the command is out of view: its right edge fades out */
.p-ddbd .pdd-cmd-view.pdd-more::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 32px;
  background: linear-gradient(to right, transparent, #141414);
  pointer-events: none;
}
.p-ddbd .pdd-cmd-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 12px 14px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #555 transparent;
}
.p-ddbd .pdd-cmd code {
  font-family: var(--pdd-font);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre;
  background: none;
  border: 0;
  border-radius: 0;
  padding: 0;
  margin: 0;
  color: inherit;
}
.p-ddbd .pdd-cmd-prompt { color: #6a737d; -webkit-user-select: none; user-select: none; }
.p-ddbd .pdd-fn { color: #b392f0; }
.p-ddbd .pdd-flag { color: #79b8ff; }
.p-ddbd .pdd-str { color: #9ecbff; }
.p-ddbd .pdd-op { color: #f97583; }
.p-ddbd .pdd-cmd-copy {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  border-left: 1px solid #2a2a2a;
  border-radius: 0;
  background: transparent;
  color: #b4b4b4;
  font: inherit;
  cursor: pointer;
}
.p-ddbd .pdd-cmd-copy svg { display: block; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.p-ddbd .pdd-cmd-copy .pdd-ico-done { display: none; }
.p-ddbd .pdd-cmd-copy.pdd-done .pdd-ico-copy { display: none; }
.p-ddbd .pdd-cmd-copy.pdd-done .pdd-ico-done { display: block; }
.p-ddbd .pdd-cmd-copy.pdd-done { color: #85e89d; }
.p-ddbd .pdd-cmd-copy:focus-visible { outline: 2px solid #eeeeee; outline-offset: -4px; }
@media (hover: hover) and (pointer: fine) { .p-ddbd .pdd-cmd-copy:hover { color: #ffffff; background: #1f1f1f; } }

/* ---------- actions ---------- */
.p-ddbd .pdd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.p-ddbd .pdd-btn {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 22px;
  font-family: var(--pdd-font);
  font-size: 14px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1.5px solid var(--pdd-ink);
  border-radius: 0;
  box-shadow: 3px 3px var(--pdd-shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  text-decoration: none;
  white-space: nowrap;
}
.p-ddbd .pdd-btn.pdd-brand,
.p-ddbd .pdd-btn.pdd-brand:visited,
.p-ddbd .pdd-btn.pdd-brand:hover { background: var(--pdd-ink); color: var(--pdd-paper); text-decoration: none; }
.p-ddbd .pdd-btn.pdd-alt,
.p-ddbd .pdd-btn.pdd-alt:visited,
.p-ddbd .pdd-btn.pdd-alt:hover { background: var(--pdd-paper); color: var(--pdd-ink); text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .p-ddbd .pdd-btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px var(--pdd-shadow); } }
.p-ddbd .pdd-btn:active { transform: translate(3px, 3px); box-shadow: none; }
.p-ddbd .pdd-btn:focus-visible { outline: 2px solid var(--pdd-ink); outline-offset: 3px; }

/* ---------- facts ---------- */
.p-ddbd .pdd-hero-facts { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; line-height: 24px; color: var(--pdd-muted); }
.p-ddbd .pdd-hero-facts li { margin: 0; padding: 0; list-style: none; }
.p-ddbd .pdd-hero-facts li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; vertical-align: 1px; background: var(--pdd-ink); }

/* ---------- figure ---------- */
.p-ddbd .pdd-hero-fig { min-width: 0; margin: 0; padding: 22px 22px 18px; background: var(--pdd-paper); border: 1.5px solid var(--pdd-ink); box-shadow: 6px 6px var(--pdd-shadow); }
.p-ddbd .pdd-cap { font-family: var(--pdd-font); font-size: 13px; line-height: 1.6; color: var(--pdd-muted); margin: 18px 0 0; padding: 0; }

/* ---------- the WBAC diagram (HeroDiagram) ---------- */
.p-ddbd .pdd-hero-dia { width: 100%; max-width: 100%; height: auto; display: block; overflow: visible; font-family: var(--pdd-font); font-variant-ligatures: none; font-feature-settings: "calt" 0, "liga" 0; }
.p-ddbd .pdd-hero-dia text { fill: var(--pdd-ink); font-size: 13px; font-family: var(--pdd-font); }
.p-ddbd .pdd-hero-dia .pdd-lbl { fill: var(--pdd-muted); font-size: 11px; letter-spacing: 0.12em; font-weight: 600; }
.p-ddbd .pdd-hero-dia .pdd-strong { font-weight: 700; }
.p-ddbd .pdd-hero-dia .pdd-muted { fill: var(--pdd-muted); font-size: 11.5px; }
.p-ddbd .pdd-hero-dia .pdd-mono { font-size: 13px; }
.p-ddbd .pdd-hero-dia .pdd-lvl { fill: var(--pdd-muted); font-size: 12px; font-weight: 600; }
.p-ddbd .pdd-hero-dia .pdd-dots { font-size: 14px; }
.p-ddbd .pdd-card, .p-ddbd .pdd-store, .p-ddbd .pdd-chip { fill: var(--pdd-paper); stroke: var(--pdd-ink); stroke-width: 1.5; }
.p-ddbd .pdd-store { filter: drop-shadow(3px 3px 0 var(--pdd-shadow)); }
.p-ddbd .pdd-card, .p-ddbd .pdd-chip { filter: drop-shadow(2px 2px 0 var(--pdd-shadow)); }
.p-ddbd .pdd-hair { stroke: var(--pdd-line); stroke-width: 1; }
.p-ddbd .pdd-band { fill: var(--pdd-soft); }
.p-ddbd .pdd-blk { fill: var(--pdd-block); }
.p-ddbd .pdd-token { fill: var(--pdd-ink); }
.p-ddbd .pdd-ring { fill: none; stroke: var(--pdd-ink); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; }
.p-ddbd .pdd-trail { stroke: var(--pdd-ink); stroke-width: 1; stroke-dasharray: 3 4; }
.p-ddbd .pdd-hl { fill: var(--pdd-ink); }
.p-ddbd .pdd-bracket path { fill: none; stroke: var(--pdd-ink); stroke-width: 2; }
.p-ddbd .pdd-bracket { transform-box: fill-box; transform-origin: 50% 100%; }
.p-ddbd .pdd-chip-on { fill: none; stroke: var(--pdd-ink); stroke-width: 3; }
.p-ddbd .pdd-ok, .p-ddbd .pdd-no { fill: none; stroke: var(--pdd-ink); stroke-width: 2.2; stroke-linecap: square; }

/* one 7.5 s timeline, paused while off screen (ddbd.js adds .pdd-playing): quick moves that settle, short holds */
.p-ddbd .pdd-token, .p-ddbd .pdd-ring, .p-ddbd .pdd-trail, .p-ddbd .pdd-hl, .p-ddbd .pdd-bracket,
.p-ddbd .pdd-chip-on, .p-ddbd .pdd-res, .p-ddbd .pdd-conn-agent, .p-ddbd .pdd-conn-carol {
  animation-duration: 7.5s;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.22, 0.9, 0.3, 1);
  animation-play-state: paused;
}
.p-ddbd .pdd-playing .pdd-token, .p-ddbd .pdd-playing .pdd-ring, .p-ddbd .pdd-playing .pdd-trail,
.p-ddbd .pdd-playing .pdd-hl, .p-ddbd .pdd-playing .pdd-bracket, .p-ddbd .pdd-playing .pdd-chip-on,
.p-ddbd .pdd-playing .pdd-res, .p-ddbd .pdd-playing .pdd-conn-agent, .p-ddbd .pdd-playing .pdd-conn-carol { animation-play-state: running; }

/* alice's record lands in the level-05 range */
.p-ddbd .pdd-token { animation-name: pdd-token; }
@keyframes pdd-token {
  0%, 2% { transform: translate(var(--pdd-tx), var(--pdd-ty)); opacity: 0; }
  4% { transform: translate(var(--pdd-tx), var(--pdd-ty)); opacity: 1; }
  14%, 92% { transform: translate(0, 0); opacity: 1; }
  100% { transform: translate(0, 0); opacity: 0; }
}
.p-ddbd .pdd-trail { animation-name: pdd-trail; }
@keyframes pdd-trail { 0%, 3% { opacity: 0; } 6%, 13% { opacity: 0.6; } 18%, 100% { opacity: 0; } }
/* the agent key's query covers levels 00 to 05 and reads it */
.p-ddbd .pdd-hl-agent { animation-name: pdd-hl-agent; }
@keyframes pdd-hl-agent { 0%, 20% { opacity: 0; } 24%, 50% { opacity: 0.08; } 55%, 100% { opacity: 0; } }
.p-ddbd .pdd-br-agent, .p-ddbd .pdd-conn-agent, .p-ddbd .pdd-on-agent { animation-name: pdd-br-agent; }
@keyframes pdd-br-agent {
  0%, 20% { transform: scaleY(0); opacity: 0; }
  21% { opacity: 1; }
  25%, 50% { transform: scaleY(1); opacity: 1; }
  55%, 100% { transform: scaleY(1); opacity: 0; }
}
.p-ddbd .pdd-conn-agent, .p-ddbd .pdd-on-agent { transform: none !important; }
.p-ddbd .pdd-ring { animation-name: pdd-ring; }
@keyframes pdd-ring {
  0%, 27% { opacity: 0; transform: scale(1); }
  30% { opacity: 1; transform: scale(1.6); }
  37%, 100% { opacity: 0; transform: scale(2.6); }
}
.p-ddbd .pdd-res-agent { animation-name: pdd-res-agent; }
@keyframes pdd-res-agent { 0%, 28% { opacity: 0; } 31%, 92% { opacity: 1; } 100% { opacity: 0; } }
/* carol, at level 00, queries level 00 only and never reaches it */
.p-ddbd .pdd-hl-carol { animation-name: pdd-hl-carol; }
@keyframes pdd-hl-carol { 0%, 55% { opacity: 0; } 59%, 80% { opacity: 0.08; } 85%, 100% { opacity: 0; } }
.p-ddbd .pdd-br-carol, .p-ddbd .pdd-conn-carol, .p-ddbd .pdd-on-carol { animation-name: pdd-br-carol; }
@keyframes pdd-br-carol {
  0%, 55% { transform: scaleY(0); opacity: 0; }
  56% { opacity: 1; }
  59%, 80% { transform: scaleY(1); opacity: 1; }
  85%, 100% { transform: scaleY(1); opacity: 0; }
}
.p-ddbd .pdd-conn-carol, .p-ddbd .pdd-on-carol { transform: none !important; }
.p-ddbd .pdd-res-carol { animation-name: pdd-res-carol; }
@keyframes pdd-res-carol { 0%, 60% { opacity: 0; } 63%, 92% { opacity: 1; } 100% { opacity: 0; } }

/* without motion: the finished picture */
@media (prefers-reduced-motion: reduce) {
  .p-ddbd .pdd-token, .p-ddbd .pdd-ring, .p-ddbd .pdd-trail, .p-ddbd .pdd-hl, .p-ddbd .pdd-bracket,
  .p-ddbd .pdd-chip-on, .p-ddbd .pdd-res, .p-ddbd .pdd-conn-agent, .p-ddbd .pdd-conn-carol { animation: none !important; }
  .p-ddbd .pdd-ring, .p-ddbd .pdd-trail, .p-ddbd .pdd-hl-carol, .p-ddbd .pdd-br-carol,
  .p-ddbd .pdd-on-carol, .p-ddbd .pdd-on-agent { opacity: 0; }
  .p-ddbd .pdd-hl-agent { opacity: 0.08; }
}

/* ---------- small screens ---------- */
@media (max-width: 959px) {
  .p-ddbd .pdd-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; padding-top: 56px; padding-bottom: 64px; }
}
@media (max-width: 639px) {
  .p-ddbd .pdd-wrap { padding: 0 16px; }
  .p-ddbd .pdd-hero-fig { padding: 16px; box-shadow: 4px 4px var(--pdd-shadow); }
  .p-ddbd .pdd-btn { flex: 1 1 auto; justify-content: center; }
}