/* Portal product site.
   Design tokens are deliberately identical to architecture/site/styles.css so
   the two pages read as one property — change them in both or neither. */
:root {
  color-scheme: dark;
  --bg: #111112;
  --surface: #19191b;
  --surface-raised: #202024;
  --surface-hover: #29292e;
  --ink: #f2f0eb;
  --muted: #a5a2a0;
  --faint: #6d6a68;
  --line: #353437;
  --line-strong: #4b494d;
  --accent: #8b83ff;
  --experience: #e7a84b;
  --orchestration: #8b83ff;
  --integration: #5ca8d8;
  --foundation: #70b98d;
  --external: #d16f86;
  --danger: #e06f6f;
  --radius: 8px;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --pad: clamp(20px, 4vw, 64px);
}

* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    var(--bg);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
code { font-family: var(--mono); font-size: .92em; color: var(--ink); }
p code { color: #cfcaff; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
}
.skip-link:focus { top: 16px; }

/* ── Topbar ────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 76px;
  padding: 16px var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(17,17,18,.92);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  font: 700 19px var(--mono);
  transform: rotate(-2deg);
}
.eyebrow {
  margin: 0 0 6px;
  color: var(--faint);
  font: 600 10px/1.2 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
h1 { margin: 0; font-size: 17px; line-height: 1.1; letter-spacing: -.01em; }

.topnav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topnav a {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font: 600 12px var(--mono);
  text-decoration: none;
}
.topnav a:hover { border-color: var(--line-strong); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
  padding: clamp(48px, 8vw, 104px) var(--pad) clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}
/* A soft off-screen accent bloom behind the copy — the only colour on an
   otherwise monochrome page, slowly breathing so the fold isn't inert. */
.hero-glow {
  position: absolute;
  z-index: -1;
  top: -30%;
  right: -12%;
  width: min(760px, 82%);
  height: 120%;
  background:
    radial-gradient(closest-side, rgba(139,131,255,.20), transparent 70%),
    radial-gradient(closest-side, rgba(92,168,216,.14), transparent 72%);
  background-position: 30% 30%, 75% 70%;
  background-repeat: no-repeat;
  filter: blur(18px);
  pointer-events: none;
  animation: heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  from { transform: translate3d(0, 0, 0) scale(1); opacity: .85; }
  to   { transform: translate3d(-4%, 3%, 0) scale(1.08); opacity: 1; }
}
.hero h2 {
  margin: 0 0 22px;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.04;
  letter-spacing: -.03em;
}
/* Gradient accent on the payoff phrase — a thin flourish, not a rainbow. */
.grad {
  background: linear-gradient(96deg, var(--accent) 8%, var(--integration) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* Live open-source badge with a quietly pulsing status dot. */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: 600 11px var(--mono);
  letter-spacing: .04em;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--foundation);
  box-shadow: 0 0 0 0 rgba(112,185,141,.55);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(112,185,141,.5); }
  70%  { box-shadow: 0 0 0 7px rgba(112,185,141,0); }
  100% { box-shadow: 0 0 0 0 rgba(112,185,141,0); }
}
.lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.65;
}
.lede strong { color: var(--ink); font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button {
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font: 600 12.5px var(--mono);
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.button:hover { background: var(--surface-hover); transform: translateY(-1px); }
.button.primary {
  border-color: var(--accent);
  background: rgba(139,131,255,.14);
}
.button.primary:hover { background: rgba(139,131,255,.24); }
.button.ghost { border-color: transparent; color: var(--muted); }
.button.ghost:hover { border-color: var(--line-strong); color: var(--ink); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  background: var(--surface);
}
.hero-stats li { transition: background .18s ease; }
.hero-stats li:hover { background: var(--surface-hover); }
/* Tabular figures so the count-up animation doesn't reflow the tile width. */
.hero-stats strong { font: 600 22px var(--mono); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hero-stats span { color: var(--faint); font: 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; }

/* ── Bands ─────────────────────────────────────────────────────────── */
.band {
  padding: clamp(48px, 7vw, 88px) var(--pad);
  border-bottom: 1px solid var(--line);
}
.band-head { max-width: 72ch; margin-bottom: clamp(28px, 4vw, 48px); }
.band-head h3 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.12;
  letter-spacing: -.02em;
}
.band-head a { color: var(--accent); }

.card-grid { display: grid; gap: 18px; }
.card-grid.three { grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.card-grid.two { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); margin-top: 24px; }
.card {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -18px rgba(0,0,0,.8);
}
.card h4 { margin: 0 0 10px; font-size: 15px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
/* Cards carrying more than one paragraph need the break; with margin:0 above,
   consecutive paragraphs run together into one wall of text. */
.card p + p { margin-top: 13px; }
.card h4 code { font-size: .88em; }

/* ── Feature rows ──────────────────────────────────────────────────── */
.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(36px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}
.feature:first-of-type { border-top: 0; padding-top: 0; }
/* Reversed rows put the figure first in the visual order, so the column widths
   have to flip with it — otherwise every other screenshot lands in the narrow
   column and the prose gets the space. */
.feature.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
.feature.reverse .feature-copy { order: 2; }

/* Surfaces whose screenshot would be a live-gateway capture: prose only, laid
   out in two columns so the row doesn't read as a figure that failed to load. */
.feature.prose-only {
  grid-template-columns: minmax(0, 1fr);
}
.feature.prose-only .feature-copy {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 0 clamp(28px, 4vw, 56px);
}
.feature.prose-only .kicker,
.feature.prose-only h4 { grid-column: 1 / -1; }
.kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font: 600 10px var(--mono);
  letter-spacing: .16em;
}
.feature h4 {
  margin: 0 0 16px;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.feature-copy p:not(.kicker) {
  margin: 0 0 14px;
  max-width: 56ch;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}
.feature-copy p:last-child { margin-bottom: 0; }
.feature-copy em { color: var(--ink); font-style: italic; }

.shot { margin: 0; }
.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}
.shot.stack { display: grid; gap: 14px; }
.proof-grid {
  display: grid;
  /* `min()` rather than a bare 420px: on a phone the container is narrower than
     the track minimum, and a fixed minmax floor overflows instead of shrinking. */
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}
/* A figure too wide to survive a half-column, sitting between two feature rows
   rather than after the last one like `.proof-grid`. It therefore needs padding
   on BOTH sides: without the bottom, the next row's `border-top` lands hard
   against the figcaption instead of reading as a section divider. */
.wide-shot {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--line);
}
/* Capped near its 1x capture size and centered: stretched to a wide viewport
   this figure's three stacked plots grow taller than the fold, which is worse
   than a little empty gutter. */
.wide-shot .shot { max-width: 900px; margin-inline: auto; }
.shot figcaption {
  margin-top: 12px;
  color: var(--faint);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ── Architecture layers ───────────────────────────────────────────── */
.layer-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
}
.layer {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  transition: background .2s ease, transform .2s ease;
}
.layer:hover { background: var(--surface-hover); transform: translateX(3px); }
.layer[data-layer="experience"] { border-left-color: var(--experience); }
.layer[data-layer="orchestration"] { border-left-color: var(--orchestration); }
.layer[data-layer="integration"] { border-left-color: var(--integration); }
.layer[data-layer="foundation"] { border-left-color: var(--foundation); }
.layer[data-layer="external"] { border-left-color: var(--external); }
.layer-label { display: flex; flex-direction: column; gap: 4px; }
.layer-label span { font: 600 14px var(--sans); letter-spacing: -.01em; }
.layer-label em { color: var(--faint); font: 10.5px var(--mono); font-style: normal; letter-spacing: .08em; text-transform: uppercase; }
.layer p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

.lifecycle {
  margin-top: 24px;
  padding: 24px 26px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.lifecycle h4 { margin: 0 0 16px; font-size: 15px; }
/* The scope qualifier in the heading — the steps are Hermes-only. */
.lifecycle h4 em { color: var(--faint); font-style: normal; font-weight: 400; }
/* `max-width` is overridden: `.note`'s 62ch is right for a prose column, but
   here the rule sits under a full-width step grid and a short rule reads as a
   rendering fault rather than a divider. */
.lifecycle .note {
  max-width: none;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}
.lifecycle ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 10px 28px;
}
/* The step number is absolutely positioned rather than a grid/flex track: an
   `li` laid out as a grid turns every child — including the inline `<code>`
   spans in the step text — into its own grid item, which breaks each step
   across several rows and overlaps the text. */
.lifecycle li {
  counter-increment: step;
  position: relative;
  padding-left: 32px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.55;
}
.lifecycle li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--faint);
  font: 600 11px var(--mono);
}

/* ── Get started ───────────────────────────────────────────────────── */
.start-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 4vw, 56px);
}
.start-grid h4 { margin: 0 0 14px; font-size: 15px; }
ul.plain { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
ul.plain li { color: var(--muted); font-size: 14px; }
pre {
  margin: 0 0 16px;
  padding: 18px 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: 12.5px/1.75 var(--mono);
}
pre .c { color: var(--faint); }
.note { margin: 0; max-width: 62ch; color: var(--muted); font-size: 13.5px; line-height: 1.65; }

/* ── Footer ────────────────────────────────────────────────────────── */
footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 34px var(--pad) 48px;
  color: var(--faint);
  font-size: 13px;
}
footer p { margin: 0; }
footer strong { color: var(--muted); }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); text-decoration: underline; }

/* ── Scroll reveal ─────────────────────────────────────────────────── */
/* Gated on `.js`: the class is only present when enhance.js runs, so a no-JS
   render never carries the hidden initial state. enhance.js also bails entirely
   under prefers-reduced-motion, and the media query below is the belt to that
   suspenders. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.js [data-reveal="in"] {
  opacity: 1;
  transform: none;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero,
  .feature,
  /* `.feature.reverse` has to be named explicitly: media queries add no
     specificity, so its two-class rule above outranks a bare `.feature` here
     and the reversed rows would stay two-column — wide enough to overflow the
     viewport and put the whole page into horizontal scroll. */
  .feature.reverse,
  .start-grid,
  .layer { grid-template-columns: minmax(0, 1fr); }
  .hero { align-items: start; }
  /* On one column the image must follow its prose, so the reversed rows
     have to give up their explicit order or every other shot leads. */
  .feature.reverse .feature-copy { order: 0; }
  .layer { gap: 10px; }
}
@media (max-width: 620px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .hero-stats { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* Still every ambient/animated flourish and neutralise the reveal gate so
     content is fully visible and static. */
  .hero-glow, .badge-dot { animation: none; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .button:hover, .card:hover, .layer:hover { transform: none; }
  *, *::before, *::after { animation-duration: .001ms !important; }
}