/* ── palette: lifted from screenshot ──────────────────────────── */
:root {
  --bg:        #0e1219;
  --bg-2:      #0a0d13;
  --rule:      rgba(255, 255, 255, 0.06);
  --rule-2:    rgba(255, 255, 255, 0.03);

  --text:      #d4d7e0;
  --text-dim:  #a4a9b8;
  --text-mut:  #8a91a3;
  --text-fnt:  #3a4050;

  --mint:      #5fe9b3;
  --lav:       #8b7fff;
  --amber:     #ffa657;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--lav); color: var(--bg); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--mint); }

/* ── shell ─────────────────────────────────────────────────────── */
.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 28px 80px;
}
@media (min-width: 1100px) {
  .wrap { max-width: 1080px; }
}

/* ── top bar ───────────────────────────────────────────────────── */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 28px;
  color: var(--text-mut);
  font-size: 12px;
}
.top-brand {
  color: var(--mint);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.top-brand::after {
  content: "_";
  animation: blink 1.1s steps(2, start) infinite;
}
@keyframes blink { to { opacity: 0; } }
.top-right { display: flex; gap: 18px; }

/* ── hero ──────────────────────────────────────────────────────── */
.hero {
  padding: 36px 0 32px;
}
.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0 0 18px;
}
.hero h1 .em {
  color: var(--mint);
}
.hero p {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 580px;
  margin: 0 0 28px;
  line-height: 1.65;
}
.hero p code {
  color: var(--mint);
  background: transparent;
  padding: 0;
}

.install-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.install-row .cmd-mac { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .install-row { grid-template-columns: 1fr; }
}
.cmd {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  font: inherit;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s;
  text-align: left;
  text-decoration: none;
}
.cmd:hover { border-color: var(--mint); color: var(--text); }
.cmd-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
  color: var(--text-mut);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cmd-head .platform { color: var(--mint); }
.cmd-head .copy { color: var(--text-mut); }
.cmd.copied .cmd-head .copy { color: var(--mint); }
.cmd-body {
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cmd-body .prompt { color: var(--mint); flex-shrink: 0; }
.cmd-body .arrow { color: var(--mint); margin-left: auto; }

/* ── the TUI ───────────────────────────────────────────────────── */
.tui {
  position: relative;
  margin: 28px 0 56px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);
}
@media (max-width: 768px) {
  .tui { display: none; }
}
.tui-chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
}
.tui-chrome i {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--text-fnt);
}
.tui-chrome i:nth-child(1) { background: #ff5f56; }
.tui-chrome i:nth-child(2) { background: #ffbd2e; }
.tui-chrome i:nth-child(3) { background: #27c93f; }
.tui-chrome span {
  margin-left: 10px;
  font-size: 11px;
  color: var(--text-mut);
}

.tui-body {
  padding: 12px 18px 0;
  font-size: 11.5px;
  line-height: 1.65;
}

.tui-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 4px 0;
}
.tui-name {
  color: var(--mint);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.tui-env {
  background: var(--mint);
  color: var(--bg-2);
  padding: 1px 12px;
  font-weight: 600;
  font-size: 11px;
}

.tui-urlbar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0 14px;
}
.tui-method {
  background: var(--mint);
  color: var(--bg-2);
  border: 0;
  padding: 1px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
  min-width: 56px;
}
.tui-method.m-POST   { background: var(--amber); }
.tui-method.m-PUT,
.tui-method.m-PATCH  { background: var(--lav); }
.tui-method.m-DELETE { background: #ff6b6b; }

.tui-url {
  flex: 1;
  color: var(--text);
}
.tui-var { color: var(--mint); }
.tui-caret {
  color: var(--mint);
  animation: blink 1.1s steps(2, start) infinite;
  margin-left: 2px;
}
.tui-status {
  color: var(--mint);
  font-weight: 600;
  margin-right: 4px;
}
.tui-status.loading { color: var(--lav); letter-spacing: 0.2em; }
.tui-send {
  background: var(--mint);
  color: var(--bg-2);
  border: 0;
  padding: 2px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.tui-send.sending { background: var(--lav); }

.tui-grid {
  display: grid;
  grid-template-columns: 230px 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0 18px;
  min-height: 480px;
}

.tui-panel {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--rule-2);
}
.tui-panel .lbl {
  position: absolute;
  top: -6px;
  right: 4px;
  font-size: 10px;
  background: var(--bg-2);
  padding: 0 8px;
  color: var(--text-mut);
}

/* sidebar */
.tui-side {
  grid-row: 1 / span 2;
  border-right: 1px solid var(--rule-2);
  padding-right: 12px;
  padding-top: 18px;
}
.tui-side .lbl { right: 16px; }
.tree {
  line-height: 1.85;
}
.tree-row {
  padding: 0 6px;
  color: var(--text-dim);
  white-space: nowrap;
  cursor: pointer;
}
.tree-row:hover { color: var(--text); }
.tree-row.active {
  background: var(--lav);
  color: var(--bg-2);
}
.tree-row.active .tm,
.tree-row.active .am { color: var(--bg-2); }
.tri { color: var(--text-mut); display: inline-block; width: 12px; font-size: 9px; }
.indent-1 { padding-left: 14px; }
.indent-2 { padding-left: 28px; }
.indent-3 { padding-left: 42px; }
.tm { color: var(--mint); font-weight: 700; font-size: 10.5px; }
.am { color: var(--amber); font-weight: 700; font-size: 10.5px; }
.json-amber { color: var(--amber); }

/* tabs */
.tabs { display: flex; gap: 18px; padding: 0 0 10px; }
.tab { color: var(--text-mut); cursor: pointer; position: relative; }
.tab:hover { color: var(--text-dim); }
.tab.active { color: var(--mint); }
.tab.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--mint);
}

/* kv */
.kv-head, .kv-row {
  display: grid; grid-template-columns: 1fr 1fr;
  padding: 2px 8px;
}
.kv-head { color: var(--text-mut); font-size: 10px; letter-spacing: 0.1em; }
.kv-row { color: var(--text-dim); }
.kv-row.add { background: var(--lav); color: var(--bg-2); }
.kv-row.add::before { content: "+ new parameter"; }

.kv-foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--rule-2);
  display: grid; grid-template-columns: 1fr 1fr;
  padding-left: 8px; padding-right: 8px;
  color: var(--text-mut);
  font-size: 10px;
}
.tui-req { display: flex; flex-direction: column; }
.tui-req-body { flex: 1; padding-top: 4px; }

/* response */
.tui-resp { display: flex; flex-direction: column; }
.tui-resp-body {
  margin: 0; padding: 4px 8px;
  font-family: inherit;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
  color: var(--text);
  max-height: 240px;
  overflow: auto;
}
.j-key { color: var(--lav); }
.j-str { color: var(--mint); }
.j-num { color: var(--amber); }
.j-lit { color: #ff6b6b; }
.j-pun { color: var(--text-mut); }

/* statusbar */
.tui-statusbar {
  display: flex; flex-wrap: wrap; gap: 18px;
  padding: 10px 0;
  border-top: 1px solid var(--rule-2);
  margin: 14px -18px 0;
  padding-left: 18px; padding-right: 18px;
  color: var(--text-dim);
  font-size: 10.5px;
}
.tui-statusbar .key { color: var(--mint); font-weight: 600; }

/* ── body sections ─────────────────────────────────────────────── */
.row { display: flex; gap: 24px; padding: 16px 0; border-top: 1px solid var(--rule); }
.row .lbl-side {
  flex: 0 0 110px;
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 2px;
}
.row .content {
  flex: 1;
  color: var(--text-dim);
  line-height: 1.7;
}
.row .content strong {
  color: var(--text);
  font-weight: 500;
}
.row .content code {
  color: var(--mint);
  background: transparent;
  padding: 0;
}

/* install grid */
.inst-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}
@media (max-width: 700px) {
  .inst-grid { grid-template-columns: 1fr; }
}
.inst {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 14px 16px;
}
.inst-h {
  font-size: 11px;
  color: var(--mint);
  margin-bottom: 8px;
}
.inst pre {
  margin: 0;
  font-family: inherit;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
}
.inst pre .p { color: var(--text-mut); margin-right: 6px; }
.inst pre .c { color: var(--text-mut); }

/* feature list */
.feats {
  list-style: none;
  margin: 0; padding: 0;
}
.feats li {
  padding: 5px 0;
  color: var(--text-dim);
}
.feats li::before {
  content: "→ ";
  color: var(--mint);
  margin-right: 6px;
}
.feats li strong {
  color: var(--text);
  font-weight: 500;
}

/* formats */
.fmt-list {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 4px 18px;
}
.fmt-list > .e {
  color: var(--amber);
  padding: 4px 0;
}
.fmt-list > .d {
  color: var(--text-dim);
  padding: 4px 0;
}
.fmt-list > .d strong { color: var(--text); font-weight: 500; }

/* keys */
.keys-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 24px;
}
@media (max-width: 600px) { .keys-list { grid-template-columns: 1fr; } }
.keys-list > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  padding: 3px 0;
  color: var(--text-dim);
  font-size: 12px;
}
.keys-list > div > span:first-child { color: var(--mint); }

/* env block */
.env-block {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 14px 16px;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.75;
  white-space: pre;
  color: var(--text-dim);
  overflow-x: auto;
}
.env-block .mint { color: var(--mint); }
.env-block .mut { color: var(--text-mut); }
.env-block .amber { color: var(--amber); }

/* footer */
footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--text-mut);
  font-size: 11px;
}

/* ── font/load gate ────────────────────────────────────────────
   Hide everything until web fonts are ready (or 1.5s timeout).
   Prevents the JetBrains Mono FOUT. When JS removes .loading and
   adds .loaded, the hero CSS cascade below kicks in. */
html.loading body { opacity: 0; }
body { transition: opacity .18s ease-out; }

/* ── hero entrance cascade (binvim-web pattern) ────────────────── */
@media (prefers-reduced-motion: no-preference) {
  html.loaded .top              { animation: heroIn .55s cubic-bezier(.2,.7,.2,1) both 0s;   }
  html.loaded .hero h1          { animation: heroIn .75s cubic-bezier(.2,.7,.2,1) both .10s; }
  html.loaded .hero p           { animation: heroIn .70s cubic-bezier(.2,.7,.2,1) both .32s; }
  html.loaded .install-row .cmd:nth-child(1) { animation: heroIn .65s cubic-bezier(.2,.7,.2,1) both .50s; }
  html.loaded .install-row .cmd:nth-child(2) { animation: heroIn .65s cubic-bezier(.2,.7,.2,1) both .60s; }
  html.loaded .install-row .cmd:nth-child(3) { animation: heroIn .65s cubic-bezier(.2,.7,.2,1) both .70s; }
  @keyframes heroIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
  }
}

/* ── scroll animations ─────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {

  /* heading hover wobble — playful but tasteful */
  .hero h1 .em {
    display: inline-block;
    animation: bob 2.4s ease-in-out infinite;
  }
  @keyframes bob {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
  }

  /* reveal-on-scroll base */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity .7s cubic-bezier(.2,.7,.1,1),
      transform .7s cubic-bezier(.2,.7,.1,1);
  }
  .reveal.in {
    opacity: 1;
    transform: translateY(0);
  }

  /* rows: side label slides from left, content from right */
  .row .lbl-side {
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity .55s ease-out, transform .55s ease-out;
  }
  .row .content {
    opacity: 0;
    transform: translateX(10px);
    transition: opacity .6s ease-out .1s, transform .6s ease-out .1s;
  }
  .row.in .lbl-side {
    opacity: 1;
    transform: translateX(0);
    animation: labelGlow 1.2s ease-out .1s;
  }
  .row.in .content {
    opacity: 1;
    transform: translateX(0);
  }
  @keyframes labelGlow {
    0%   { color: var(--mint); text-shadow: 0 0 0 rgba(95, 233, 179, 0); }
    35%  { color: #fff;        text-shadow: 0 0 14px rgba(95, 233, 179, .7); }
    100% { color: var(--mint); text-shadow: 0 0 0 rgba(95, 233, 179, 0); }
  }

  /* staggered list items inside rows */
  .feats li,
  .keys-list > div,
  .fmt-list > * ,
  .inst {
    opacity: 0;
    transform: translateY(8px);
    transition:
      opacity .45s ease-out,
      transform .45s ease-out;
    transition-delay: calc(var(--i, 0) * 35ms + 150ms);
  }
  .row.in .feats li,
  .row.in .keys-list > div,
  .row.in .fmt-list > *,
  .row.in .inst {
    opacity: 1;
    transform: translateY(0);
  }

  /* feature arrow draws on entry */
  .feats li::before {
    display: inline-block;
    transform: translateX(-6px);
    opacity: 0;
    transition: transform .35s ease-out, opacity .35s ease-out;
    transition-delay: calc(var(--i, 0) * 35ms + 250ms);
  }
  .row.in .feats li::before {
    transform: translateX(0);
    opacity: 1;
  }

  /* TUI: appear + scanline sweep on entry */
  .tui {
    opacity: 0;
    transform: scale(.97) translateY(20px);
    transition:
      opacity .8s cubic-bezier(.2,.7,.1,1),
      transform .8s cubic-bezier(.2,.7,.1,1);
  }
  .tui.in {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  .tui::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg,
      transparent 0%,
      rgba(95, 233, 179, 0.04) 30%,
      rgba(95, 233, 179, 0.22) 50%,
      rgba(95, 233, 179, 0.04) 70%,
      transparent 100%);
    transform: translateY(-110%);
    opacity: 0;
    z-index: 4;
    mix-blend-mode: screen;
  }
  .tui.in::after {
    animation: scanline 1.1s ease-out .15s;
  }
  @keyframes scanline {
    0%   { transform: translateY(-110%); opacity: 1; }
    100% { transform: translateY(110%);  opacity: 0; }
  }

  /* tree rows ripple in once TUI is visible */
  .tui .tree-row {
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity .35s ease-out, transform .35s ease-out;
  }
  .tui.in .tree-row {
    opacity: 1;
    transform: translateX(0);
    transition-delay: calc(var(--i, 0) * 45ms + 350ms);
  }

  /* statusbar keys flash mint sequentially on TUI entry */
  .tui.in .tui-statusbar .key {
    animation: keyFlash .6s ease-out;
    animation-delay: calc(var(--i, 0) * 70ms + 900ms);
  }
  @keyframes keyFlash {
    0%   { color: var(--text-dim); text-shadow: 0 0 0 var(--mint); }
    40%  { color: #fff; text-shadow: 0 0 8px var(--mint); }
    100% { color: var(--mint); text-shadow: 0 0 0 var(--mint); }
  }

  /* footer fades in */
  footer {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .6s ease-out, transform .6s ease-out;
  }
  footer.in {
    opacity: 1;
    transform: translateY(0);
  }

  /* hover lift on install + inst cards */
  .cmd, .inst {
    transition: transform .2s ease-out, border-color .15s, opacity .45s ease-out;
  }
  .cmd:hover, .inst:hover {
    transform: translateY(-2px);
  }
  .inst:hover {
    border-color: var(--rule);
  }
}