/* Hallmark · genre: editorial · macrostructure: Split Studio · nav: N9 edge-aligned · footer: Ft4 dense colophon
 * theme: custom · vibe: "ledger paper, indigo ink, one gold mark" · paper: oklch(97.6% 0.006 265) · accent: oklch(72% 0.125 85)
 * display: Newsreader · body: IBM Plex Sans · outlier: IBM Plex Mono (company facts: tender band + colophon) · axes: light / roman-serif / cool
 * enrichment: real product screenshots (no illustration) · context: inferred · studied: no
 */

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; overflow-wrap: anywhere; min-width: 0; }
p, ul, ol, dl, figure { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 2px; }

.wrap { width: 100%; max-width: var(--page-max); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- buttons and chips ---------- */
.btn, .chip, .btn-gold {
  display: inline-block;
  white-space: nowrap;
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.btn { background: var(--color-ink); color: var(--color-paper); padding: 0.95em 1.4em; }
.btn:hover { background: var(--color-ink-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.chip { border: 1px solid var(--color-ink); color: var(--color-ink); padding: 0.75em 1.15em; }
.chip:hover { background: var(--color-ink); color: var(--color-paper); }
.chip:active { transform: translateY(1px); }
.btn-gold { background: var(--color-accent); color: var(--color-ink); padding: 0.95em 1.4em; }
.btn-gold:hover { transform: translateY(-1px); }
.btn-gold:active { transform: translateY(0); }

/* ---------- header (N9: wordmark left, one action right) ---------- */
.top { display: flex; justify-content: space-between; align-items: center; gap: var(--space-lg); padding-block: var(--space-lg); }
.top .logo img { width: 150px; }

/* ---------- hero: claim left, what's actually running right ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--space-3xl);
  align-items: end;
  padding-block: var(--space-2xl) var(--space-3xl);
  border-bottom: var(--rule);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 72;
}
.hero h1 .mark { text-decoration: underline; text-decoration-color: var(--color-accent); text-decoration-thickness: 0.07em; text-underline-offset: 0.12em; }
.hero .lead { margin-top: var(--space-lg); max-width: 36rem; font-size: var(--text-md); color: var(--color-ink-2); line-height: 1.55; }
.hero .actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md) var(--space-lg); margin-top: var(--space-xl); }
.text-link { font-weight: 600; }

.running h2 { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600; color: var(--color-muted); margin-bottom: var(--space-sm); }
.running ul { list-style: none; padding: 0; border-top: 1px solid var(--color-ink); }
.running li { border-bottom: var(--rule); }
.running li > a, .running li > div { display: grid; gap: 2px; padding-block: var(--space-md); text-decoration: none; }
.running b { font-weight: 600; }
.running span { color: var(--color-muted); font-size: var(--text-sm); line-height: 1.5; }
.running li > a b { text-decoration: underline; text-decoration-color: var(--color-rule); text-underline-offset: 0.2em; transition: text-decoration-color var(--dur-short) var(--ease-out); }
.running li > a:hover b { text-decoration-color: var(--color-accent); }

/* page-load: one orchestrated entrance, hero only */
.rise { opacity: 0; transform: translateY(10px); animation: rise var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 70ms); }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- enquiry flow: a working diagram (plays once in view, Replay restarts) ---------- */
.flow { padding-block: var(--space-3xl); border-bottom: var(--rule); }
.flow-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-md) var(--space-xl); align-items: end; margin-bottom: var(--space-2xl); }
.flow-head h2 { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.12; letter-spacing: -0.015em; max-width: 30ch; font-variation-settings: "opsz" 48; }
.flow-head p { grid-column: 1; max-width: 40rem; color: var(--color-ink-2); }
.replay {
  grid-column: 2; grid-row: 1 / span 2; align-self: end;
  font: 600 var(--text-sm) var(--font-body); color: var(--color-ink);
  background: transparent; border: 1px solid var(--color-rule); border-radius: var(--radius-sm);
  padding: 0.6em 1em; cursor: pointer; white-space: nowrap;
  transition: border-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.replay:hover { border-color: var(--color-ink); }
.replay:active { transform: translateY(1px); }
.replay:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

.flow-track { --step: 520ms; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-lg); position: relative; }
.flow-track::before, .flow-track::after {
  content: ""; position: absolute; left: 0.55rem; right: calc(100% / 6 - 0.55rem); top: 0.55rem; height: 2px;
  background: var(--color-rule);
}
.flow-track::after { background: var(--color-accent); transform: scaleX(0); transform-origin: left center; }
.flow-track.play::after { animation: flow-line calc(var(--step) * 5) linear forwards; }
@keyframes flow-line { to { transform: scaleX(1); } }
.flow-track li { position: relative; display: grid; align-content: start; gap: var(--space-2xs); padding-top: var(--space-xl); }
.flow-track b { font-weight: 600; line-height: 1.3; }
.flow-track li > span:last-child { color: var(--color-muted); font-size: var(--text-sm); line-height: 1.5; }
.node {
  position: absolute; top: 0; left: 0; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: var(--color-paper); border: 2px solid var(--color-ink); z-index: 1;
}
.node::after { content: ""; position: absolute; inset: 2px; border-radius: 50%; background: var(--color-accent); transform: scale(0); }
.flow-track.play .node::after { animation: node-fill var(--dur-short) var(--ease-out) forwards; animation-delay: calc(var(--n) * var(--step)); }
.flow-track.play li { animation: node-text var(--dur-long) var(--ease-out) both; animation-delay: calc(var(--n) * var(--step)); }
@keyframes node-fill { to { transform: scale(1); } }
@keyframes node-text { from { opacity: 0.35; } to { opacity: 1; } }

/* ---------- split rows ---------- */
.row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-3xl);
  align-items: center;
  padding-block: var(--space-3xl);
  border-bottom: var(--rule);
}
.row.flip { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
.row.flip .text { order: 2; }
.row.flip .proof { order: 1; }
.row.tight { padding-block: var(--space-2xl) var(--space-3xl); }

.text h2 { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.12; letter-spacing: -0.015em; font-variation-settings: "opsz" 48; }
.text p { margin-top: var(--space-md); max-width: 34rem; color: var(--color-ink-2); }
.text .chip { margin-top: var(--space-xl); }
.spec { list-style: none; padding: 0; margin-top: var(--space-lg); max-width: 34rem; border-top: var(--rule); }
.spec li { padding-block: var(--space-sm); border-bottom: 1px solid var(--color-rule-2); }

.proof figcaption { margin-top: var(--space-sm); font-size: var(--text-sm); line-height: 1.5; color: var(--color-muted); max-width: 40rem; }
.shot { border: var(--rule); border-radius: var(--radius-md); background: var(--color-paper-2); }

.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); align-items: start; }
.pair .shot:nth-child(2) { margin-top: var(--space-2xl); }

.stack { display: grid; }
.stack .shot { grid-area: 1 / 1; }
.stack .back { width: 82%; }
.stack .front { width: 70%; justify-self: end; margin-top: 34%; box-shadow: var(--shadow-whisper); }

/* the automation log: a typographic figure, not a card grid */
.log { border-top: 1px solid var(--color-ink); }
.log div { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-bottom: var(--rule); }
.log dt { font-size: var(--text-sm); font-weight: 600; color: var(--color-accent-ink); padding-top: 0.15em; }
.log dd { margin: 0; }

/* ---------- tenders band: the one block of brand colour ---------- */
.band { background: var(--color-band); color: var(--color-band-ink); }
.band .wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: var(--space-3xl); padding-block: var(--space-3xl); align-items: start; }
.band h2 { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.12; letter-spacing: -0.015em; }
.band p { margin-top: var(--space-md); max-width: 38rem; color: var(--color-band-muted); }
.band .btn-gold { margin-top: var(--space-xl); }
.band a:focus-visible { outline-color: var(--color-accent); }
.facts { list-style: none; padding: 0; border-top: 1px solid var(--color-band-rule); font-family: var(--font-mono); font-size: var(--text-sm); }
.facts li { padding-block: var(--space-sm); border-bottom: 1px solid var(--color-band-rule); color: var(--color-band-muted); }
.facts li b { display: block; font-weight: 400; color: var(--color-band-ink); }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-3xl); padding-block: var(--space-3xl) var(--space-2xl); align-items: start; }
.contact h2 { font-family: var(--font-display); font-size: var(--text-display); font-weight: 300; line-height: 1.04; letter-spacing: -0.025em; font-variation-settings: "opsz" 72; }
.contact p { margin-top: var(--space-md); max-width: 30rem; color: var(--color-ink-2); }
.contact .btn { margin-top: var(--space-xl); }
.contact dl { border-top: 1px solid var(--color-ink); }
.contact dl div { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-bottom: var(--rule); }
.contact dt { color: var(--color-muted); }
.contact dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }

/* ---------- footer (Ft4: dense colophon) ---------- */
.colophon { padding-block: var(--space-xl) var(--space-2xl); font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-muted); line-height: 1.6; }
.colophon p { max-width: 62rem; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .flow { padding-block: var(--space-2xl); }
  .flow-track { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); padding-left: var(--space-xl); }
  .flow-track::before, .flow-track::after { left: 0.5rem; right: auto; top: 0.55rem; bottom: 2.5rem; width: 2px; height: auto; }
  .flow-track::after { transform: scaleY(0); transform-origin: center top; }
  @keyframes flow-line-v { to { transform: scaleY(1); } }
  .flow-track.play::after { animation-name: flow-line-v; }
  .flow-track li { padding-top: 0; }
  .node { left: calc(-1 * var(--space-xl)); top: 0.15rem; }
  .hero, .row, .row.flip, .band .wrap, .contact { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .row.flip .text, .row.flip .proof { order: 0; }
  .hero { padding-block: var(--space-xl) var(--space-2xl); }
  .row { padding-block: var(--space-2xl); }
  .band .wrap { padding-block: var(--space-2xl); }
  .contact { padding-block: var(--space-2xl) var(--space-xl); }
  .contact h2 { font-size: var(--text-xl); font-weight: 400; }
}
@media (max-width: 520px) {
  .flow-head { grid-template-columns: minmax(0, 1fr); }
  .replay { grid-column: 1; grid-row: auto; justify-self: start; }
  .log div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .contact dl div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .pair .shot:nth-child(2) { margin-top: var(--space-xl); }
  .top .logo img { width: 128px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { animation: rise-reduced 150ms linear forwards; transform: none; }
  @keyframes rise-reduced { to { opacity: 1; } }
  .btn, .chip, .btn-gold, .replay { transition-duration: 1ms; }
  .flow-track::after, .flow-track.play::after { animation: none; transform: none; }
  .node::after, .flow-track.play .node::after { animation: none; transform: scale(1); }
  .flow-track.play li { animation: none; }
}