/* GitHub Pages landing: a control-room ledger for the governed agent lifecycle.
   Everything is scoped so ordinary Material documentation pages stay native. */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&family=Sora:wght@500;600;700&display=swap");

.dacli-landing {
  --ink-0: #070a0f;
  --ink-1: #0b1018;
  --ink-2: #111927;
  --ink-3: #182337;
  --line: rgba(152, 176, 216, 0.14);
  --line-strong: rgba(152, 176, 216, 0.28);
  --frost: #f4f7fb;
  --text: #c7d1df;
  --muted: #8592a6;
  --signal: #79a6ff;
  --signal-strong: #a8c3ff;
  --signal-soft: rgba(121, 166, 255, 0.12);
  --cyan: #69d2e7;
  --success: #65d69d;
  --warning: #f3c979;
  --display: "Sora", ui-sans-serif, system-ui, sans-serif;
  --body: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  color: var(--text);
  background: var(--ink-0);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
}

.dacli-atmosphere {
  position: absolute;
  inset: 0 0 auto;
  height: 980px;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(121, 166, 255, 0.08) 50%, transparent 50.2%),
    linear-gradient(rgba(152, 176, 216, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 176, 216, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 74% 22%, rgba(105, 210, 231, 0.10), transparent 27%),
    radial-gradient(circle at 24% 8%, rgba(121, 166, 255, 0.16), transparent 28%);
  background-size: auto, 72px 72px, 72px 72px, auto, auto;
  -webkit-mask-image: linear-gradient(#000 0%, rgba(0, 0, 0, 0.9) 58%, transparent 100%);
  mask-image: linear-gradient(#000 0%, rgba(0, 0, 0, 0.9) 58%, transparent 100%);
}

.dacli-landing *, .dacli-landing *::before, .dacli-landing *::after { box-sizing: border-box; }
.dacli-landing a { color: inherit; text-decoration: none; }
.dacli-landing code { font-family: var(--mono); }
.dacli-landing a:focus-visible,
.dacli-landing summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 2px;
}

.dacli-hero,
.dacli-section,
.dacli-final {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.dacli-hero {
  min-height: min(760px, calc(100vh - 48px));
  padding: clamp(44px, 5vw, 72px) 0 clamp(48px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.dacli-hero__copy { min-width: 0; }

.dacli-kicker,
.dacli-label {
  margin: 0 0 18px;
  color: var(--signal-strong);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dacli-kicker { display: flex; align-items: center; gap: 10px; }
.dacli-kicker > span { width: 28px; height: 1px; background: var(--signal); box-shadow: 10px 0 22px var(--signal); }

.dacli-h1,
.dacli-h2 {
  margin: 0;
  color: var(--frost);
  font-family: var(--display);
  text-wrap: balance;
}
.dacli-h1 {
  max-width: 15ch;
  font-size: clamp(3rem, 4.6vw, 4.7rem);
  font-weight: 600;
  line-height: 1.01;
  letter-spacing: -0.055em;
}
.dacli-h1 em { display: block; color: var(--signal-strong); font-style: normal; }
.dacli-h2 {
  max-width: 22ch;
  font-size: clamp(2rem, 3.6vw, 3.7rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.038em;
}

.dacli-hero__lede {
  max-width: 58ch;
  margin: 20px 0 0;
  color: var(--text);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.58;
}

.dacli-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.dacli-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--body);
  font-size: 0.94rem;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}
.dacli-button--primary {
  background: var(--signal);
  color: #07101e !important;
  box-shadow: 0 14px 42px -22px rgba(121, 166, 255, 0.9);
}
.dacli-button--secondary { border-color: var(--line-strong); background: rgba(11, 16, 24, 0.7); color: var(--frost) !important; }
.dacli-button:hover { transform: translateY(-2px); }
.dacli-button--primary:hover { background: #91b6ff; box-shadow: 0 18px 48px -20px rgba(121, 166, 255, 0.95); }
.dacli-button--secondary:hover { border-color: var(--signal); background: var(--signal-soft); }

.dacli-install {
  width: fit-content;
  max-width: 100%;
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(11, 16, 24, 0.84);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.dacli-install__prompt { color: var(--success); }
.dacli-install code { color: #d9e4f5; background: transparent; border: 0; padding: 0; font-size: inherit; }
.dacli-install a { color: var(--signal-strong); border-left: 1px solid var(--line-strong); padding-left: 12px; }
.dacli-install a:hover { color: var(--cyan); }

.dacli-cycle-console {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  overflow: hidden;
  background: rgba(9, 14, 22, 0.94);
  box-shadow: 0 42px 100px -52px rgba(0, 0, 0, 0.95), 0 0 80px -58px var(--cyan);
  font-family: var(--mono);
}
.dacli-cycle-console::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--signal), var(--cyan) 54%, var(--success));
}
.dacli-console__topbar,
.dacli-console__footer,
.dacli-terminal__bar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.dacli-console__topbar { padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--ink-2); }
.dacli-console__live { color: var(--success); }
.dacli-console__live i { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px rgba(101, 214, 157, 0.08); animation: dacli-pulse 2.3s ease-in-out infinite; }
.dacli-console__budget { padding: 16px 18px 14px; display: grid; grid-template-columns: 1fr auto; gap: 8px; font-size: 0.7rem; color: var(--muted); }
.dacli-console__budget strong { color: var(--frost); font-weight: 500; }
.dacli-console__budget > div { grid-column: 1 / -1; height: 3px; background: var(--ink-3); overflow: hidden; }
.dacli-console__budget > div i { display: block; width: 61%; height: 100%; background: linear-gradient(90deg, var(--signal), var(--cyan)); }
.dacli-console__trace { margin: 0; padding: 0 18px 10px; list-style: none; }
.dacli-console__trace li { position: relative; min-height: 56px; display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 12px; align-items: center; border-top: 1px solid var(--line); color: var(--muted); }
.dacli-console__trace li::before { content: ""; position: absolute; left: 13px; top: 0; bottom: 0; width: 1px; background: var(--line-strong); }
.dacli-console__index { position: relative; z-index: 1; width: 27px; height: 27px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--ink-1); font-size: 0.62rem; }
.dacli-console__trace small { display: block; color: var(--muted); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.09em; }
.dacli-console__trace strong { display: block; margin-top: 2px; color: #d8e1ee; font-size: 0.76rem; font-weight: 500; }
.dacli-console__trace code { padding: 3px 7px; border: 1px solid var(--line); border-radius: 2px; color: var(--muted); background: var(--ink-2); font-size: 0.6rem; }
.dacli-console__trace .is-done .dacli-console__index { color: #07140e; border-color: var(--success); background: var(--success); }
.dacli-console__trace .is-active { background: linear-gradient(90deg, rgba(121, 166, 255, 0.08), transparent 82%); }
.dacli-console__trace .is-active .dacli-console__index { color: #07101e; border-color: var(--signal); background: var(--signal); box-shadow: 0 0 24px -8px var(--signal); }
.dacli-console__trace .is-active strong { color: var(--frost); }
.dacli-console__footer { padding: 11px 18px; border-top: 1px solid var(--line); background: rgba(17, 25, 39, 0.55); }

.dacli-proofbar {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  background: #090e16;
}
.dacli-proofbar > div { min-height: 114px; padding: 28px clamp(18px, 2.8vw, 44px); border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.dacli-proofbar > div:last-child { border-right: 0; }
.dacli-proofbar strong { color: var(--frost); font-family: var(--display); font-size: 0.86rem; font-weight: 600; }
.dacli-proofbar span { margin-top: 4px; color: var(--muted); font-family: var(--mono); font-size: 0.66rem; }

.dacli-section { padding-block: clamp(88px, 10vw, 144px); }
.dacli-section + .dacli-section { border-top: 1px solid var(--line); }
.dacli-section__intro { max-width: 750px; }
.dacli-section__intro > p:last-child,
.dacli-dashboard-proof__copy > p,
.dacli-quickstart__copy > p { max-width: 66ch; margin: 22px 0 0; color: var(--muted); }

.dacli-authority__grid { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.dacli-authority__grid article { min-height: 285px; padding: 30px; border-right: 1px solid var(--line); background: rgba(11, 16, 24, 0.48); }
.dacli-authority__grid article:last-child { border-right: 0; }
.dacli-authority__grid article.is-emphasis { background: linear-gradient(155deg, rgba(121, 166, 255, 0.13), rgba(11, 16, 24, 0.64)); }
.dacli-authority__mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line-strong); color: var(--signal-strong); font-family: var(--mono); font-size: 0.7rem; }
.dacli-authority__grid h3 { margin: 52px 0 12px; color: var(--frost); font-family: var(--display); font-size: 1.08rem; }
.dacli-authority__grid p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.dacli-lifecycle__rail { margin: 64px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.dacli-lifecycle__rail li { display: grid; grid-template-columns: 72px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.dacli-lifecycle__rail > li > span { color: var(--signal); font-family: var(--mono); font-size: 0.72rem; padding-top: 3px; }
.dacli-lifecycle__rail small { color: var(--muted); font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; }
.dacli-lifecycle__rail h3 { margin: 3px 0 5px; color: var(--frost); font-family: var(--display); font-size: clamp(1.1rem, 2vw, 1.45rem); }
.dacli-lifecycle__rail p { max-width: 72ch; margin: 0; color: var(--muted); font-size: 0.9rem; }

.dacli-dashboard-proof { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(44px, 7vw, 88px); align-items: center; }
.dacli-dashboard-proof__copy ul { margin: 30px 0; padding: 0; list-style: none; }
.dacli-dashboard-proof__copy li { padding: 16px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }
.dacli-dashboard-proof__copy li:last-child { border-bottom: 1px solid var(--line); }
.dacli-dashboard-proof__copy strong { display: block; color: var(--frost); font-weight: 600; }
.dacli-text-link { color: var(--signal-strong) !important; font-family: var(--mono); font-size: 0.78rem; }
.dacli-text-link:hover { color: var(--cyan) !important; }
.dacli-text-link--secondary { display: inline-block; margin-left: 18px; color: var(--muted) !important; }
.dacli-dashboard-gallery { position: relative; display: grid; gap: 18px; }
.dacli-dashboard-gallery::before { content: ""; position: absolute; inset: 8% -7% 22% 14%; z-index: -1; background: radial-gradient(circle, rgba(105, 210, 231, 0.13), transparent 68%); filter: blur(18px); }
.dacli-dashboard-frame { margin: 0; border: 1px solid var(--line-strong); background: var(--ink-1); box-shadow: 0 34px 90px -48px #000; }
.dacli-dashboard-frame--secondary { width: 82%; margin-left: auto; }
.dacli-dashboard-frame--mobile { position: relative; z-index: 2; width: 39%; margin-top: -44%; margin-left: 0; }
.dacli-dashboard-frame__bar { height: 38px; display: flex; align-items: center; gap: 6px; padding: 0 12px; border-bottom: 1px solid var(--line); background: var(--ink-2); }
.dacli-dashboard-frame__bar span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); opacity: 0.55; }
.dacli-dashboard-frame__bar code { margin-left: auto; color: var(--muted); font-size: 0.62rem; }
.dacli-dashboard-frame img { width: 100%; display: block; }
.dacli-dashboard-frame--analytics img { aspect-ratio: 16 / 10; object-fit: cover; object-position: center 43%; }
.dacli-dashboard-frame--attention img { aspect-ratio: 16 / 9; object-fit: cover; object-position: center 54%; }
.dacli-dashboard-frame--mobile img { aspect-ratio: auto; object-fit: contain; }
.dacli-dashboard-frame figcaption { padding: 12px 14px; color: var(--muted); font-family: var(--mono); font-size: 0.65rem; border-top: 1px solid var(--line); }

.dacli-quickstart { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(44px, 7vw, 88px); align-items: center; }
.dacli-release-note { font-size: 0.82rem; }
.dacli-release-note a { color: var(--signal-strong); }
.dacli-terminal { overflow: hidden; border: 1px solid var(--line-strong); background: #080d14; font-family: var(--mono); box-shadow: 0 30px 80px -55px var(--signal); }
.dacli-terminal__bar { padding: 13px 16px; border-bottom: 1px solid var(--line); background: var(--ink-2); }
.dacli-terminal ol { margin: 0; padding: 8px 0; list-style: none; counter-reset: commands; }
.dacli-terminal li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 10px; padding: 13px 16px; border-bottom: 1px solid rgba(152, 176, 216, 0.08); }
.dacli-terminal li:last-child { border-bottom: 0; }
.dacli-terminal li > span { color: var(--muted); font-size: 0.62rem; padding-top: 2px; }
.dacli-terminal code { color: #d7e1ef; background: transparent; border: 0; padding: 0; font-size: 0.72rem; white-space: normal; overflow-wrap: anywhere; }
.dacli-terminal li:nth-last-child(-n + 2) code { color: var(--success); }

.dacli-questions { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(48px, 8vw, 110px); }
.dacli-questions__list { border-top: 1px solid var(--line-strong); }
.dacli-questions details { border-bottom: 1px solid var(--line); }
.dacli-questions summary { position: relative; padding: 22px 42px 22px 0; cursor: pointer; color: var(--frost); font-family: var(--display); font-size: 0.98rem; list-style: none; }
.dacli-questions summary::-webkit-details-marker { display: none; }
.dacli-questions summary::after { content: "+"; position: absolute; right: 4px; color: var(--signal); font-family: var(--mono); font-size: 1.2rem; font-weight: 400; }
.dacli-questions details[open] summary::after { content: "−"; }
.dacli-questions details p { max-width: 62ch; margin: -4px 0 24px; color: var(--muted); font-size: 0.88rem; }

.dacli-final { padding-block: clamp(96px, 12vw, 170px); text-align: center; }
.dacli-final .dacli-label { color: var(--success); }
.dacli-final .dacli-h2 { max-width: 23ch; margin-inline: auto; }
.dacli-final .dacli-actions { justify-content: center; }

@keyframes dacli-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.88); }
  50% { opacity: 1; transform: scale(1); }
}

@media (max-width: 980px) {
  .dacli-hero { min-height: auto; grid-template-columns: 1fr; }
  .dacli-h1 { max-width: 14ch; }
  .dacli-cycle-console { width: min(650px, 100%); }
  .dacli-proofbar { grid-template-columns: repeat(2, 1fr); }
  .dacli-proofbar > div:nth-child(2) { border-right: 0; }
  .dacli-proofbar > div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .dacli-dashboard-proof,
  .dacli-quickstart,
  .dacli-questions { grid-template-columns: 1fr; }
  .dacli-dashboard-proof__copy { max-width: 720px; }
  .dacli-dashboard-gallery { width: min(100%, 920px); }
}

@media (max-width: 720px) {
  .dacli-landing { font-size: 16px; }
  .dacli-hero,
  .dacli-section,
  .dacli-final { width: min(100% - 48px, 1180px); }
  .dacli-hero { min-height: 0; padding-block: 42px 48px; gap: 24px; }
  .dacli-h1 { max-width: 100%; font-size: clamp(2.25rem, 10.6vw, 3.05rem); letter-spacing: -0.045em; }
  .dacli-h2 { font-size: clamp(1.9rem, 9vw, 2.75rem); }
  .dacli-hero__lede { margin-top: 18px; font-size: 1rem; line-height: 1.55; }
  .dacli-actions { flex-direction: column; align-items: stretch; }
  .dacli-button { width: 100%; }
  .dacli-hero .dacli-button--secondary { display: none; }
  .dacli-install { display: none; }
  .dacli-console__budget { display: none; }
  .dacli-console__trace { padding-top: 5px; }
  .dacli-console__trace li { min-height: 50px; grid-template-columns: 30px 1fr; }
  .dacli-console__trace li > code { display: none; }
  .dacli-console__footer { padding-block: 10px; }
  .dacli-console__footer span:last-child { display: none; }
  .dacli-proofbar { grid-template-columns: 1fr; }
  .dacli-proofbar > div { min-height: 96px; border-right: 0; border-bottom: 1px solid var(--line); }
  .dacli-proofbar > div:last-child { border-bottom: 0; }
  .dacli-authority__grid { grid-template-columns: 1fr; }
  .dacli-authority__grid article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .dacli-authority__grid article:last-child { border-bottom: 0; }
  .dacli-authority__grid h3 { margin-top: 32px; }
  .dacli-lifecycle__rail li { grid-template-columns: 44px 1fr; gap: 10px; }
  .dacli-dashboard-frame { margin-inline: -8px; }
  .dacli-dashboard-frame--secondary { width: calc(100% - 18px); margin-left: 18px; }
  .dacli-dashboard-frame--mobile { width: 54%; margin-top: -18%; margin-left: 0; }
}

@media (max-width: 420px) {
  .dacli-kicker { letter-spacing: 0.09em; }
  .dacli-hero__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .dacli-console__budget { grid-template-columns: 1fr; }
  .dacli-console__budget strong { grid-row: 2; }
  .dacli-console__budget > div { grid-row: 3; }
}

@media (prefers-reduced-motion: reduce) {
  .dacli-landing *, .dacli-landing *::before, .dacli-landing *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}