/* chow/works: paper ground, navy ink, works blue. Shares Manrope + navy with learn/ and audit/. */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  --paper: #f6f7f4;
  --white: #ffffff;
  --navy: #0b1f2e;
  --navy-2: #12304a;
  --ink-2: #44566a;
  --line: #dde2e6;
  --blue: #1d5cff;
  --blue-dark: #1446cc;
  --blue-soft: #e6edff;
  --sky: #5cc8ff;
  --on-navy: #c9d6e2;
  --sans: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --max: 1160px;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -0.025em; font-weight: 800; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
.slash { color: var(--blue); }
.eyebrow {
  font: 700 12px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}
.lede { font-size: 19px; color: var(--ink-2); max-width: 60ch; }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(246, 247, 244, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.logo { font-weight: 800; font-size: 24px; letter-spacing: -0.04em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 15px; }
.nav-links a:not(.btn):hover, .nav-links a[aria-current="page"]:not(.btn) { color: var(--blue); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px;
  font: 700 16px/1 var(--sans); text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .15s, color .15s, transform .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--blue-dark); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-ghost:hover { background: var(--navy); color: var(--white); }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- sections ---------- */
section { padding-block: 96px; }
.section-head { display: grid; gap: 14px; margin-bottom: 48px; max-width: 760px; }
.section-head h2 { font-size: clamp(32px, 4.4vw, 48px); }

/* ---------- hero ---------- */
.hero { padding-block: 72px 96px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.hero h1 { font-size: clamp(40px, 6vw, 72px); }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero-stack { position: relative; aspect-ratio: 1 / 0.86; max-width: 100%; }
.hero-stack figure {
  position: absolute; margin: 0; width: 78%;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); background: var(--white);
  box-shadow: 0 24px 60px -24px rgba(11, 31, 46, 0.35);
}
.hero-stack figure:nth-child(1) { bottom: 0; right: 0; transform: rotate(2deg); }
.hero-stack figure:nth-child(2) { top: 22%; left: 0; transform: rotate(-2deg); }
.hero-stack figure:nth-child(3) { top: 0; left: 10%; transform: rotate(-1deg); box-shadow: 0 30px 70px -24px rgba(11, 31, 46, 0.45); }
.hero-stack img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; }
.hero-stack figcaption {
  position: absolute; left: 10px; top: 10px;
  font: 700 12px/1 var(--sans); letter-spacing: -0.01em;
  background: var(--navy); color: var(--white);
  padding: 7px 10px; border-radius: 999px;
}

/* ---------- product cards ---------- */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column; min-width: 0;
}
.card-shot { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--paper); }
.card-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.card-body { padding: 24px; display: grid; gap: 10px; align-content: start; flex: 1; }
.card-body h3 { font-size: 24px; }
.card-body .for { font: 700 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.card-body p { color: var(--ink-2); }
.card-link { margin-top: auto; padding-top: 8px; font-weight: 700; color: var(--blue); text-decoration: none; }
.card-link:hover { text-decoration: underline; }

/* ---------- AI section (navy band) ---------- */
.band { background: var(--navy); color: var(--white); }
.band .lede { color: var(--on-navy); }
.band .eyebrow { color: var(--sky); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { border-top: 2px solid var(--navy-2); padding-top: 22px; display: grid; gap: 10px; align-content: start; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font: 700 13px var(--mono); color: var(--sky); }
.step h3 { font-size: 22px; }
.step p { color: var(--on-navy); }

/* ---------- audiences ---------- */
.audiences { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.aud { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: grid; gap: 14px; align-content: start; }
.aud h3 { font-size: 22px; }
.aud p { color: var(--ink-2); }
.aud ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 15px; }
.aud li { display: flex; gap: 10px; }
.aud li::before { content: "/"; color: var(--blue); font-weight: 800; }
.aud-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--blue-soft); display: grid; place-items: center; color: var(--blue); }

/* ---------- experience ---------- */
.exp { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.exp-copy { display: grid; gap: 20px; min-width: 0; }
.exp-copy h2 { font-size: clamp(32px, 4.4vw, 48px); }
.exp-solo { grid-template-columns: 1fr; }
.exp-solo .exp-copy { max-width: 780px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.stat { background: var(--white); padding: 28px; display: grid; gap: 6px; }
.stat b { font-size: clamp(36px, 4.5vw, 52px); line-height: 1; letter-spacing: -0.04em; color: var(--blue); font-variant-numeric: tabular-nums; }
.stat span { color: var(--ink-2); font-size: 15px; }
.path { display: flex; flex-wrap: wrap; gap: 8px 6px; align-items: center; font: 600 14px var(--mono); color: var(--ink-2); }
.path i { font-style: normal; color: var(--blue); }

/* ---------- CTA ---------- */
.cta { padding-block: 0 96px; }
.cta-box {
  background: var(--blue); color: var(--white); border-radius: 20px;
  padding: clamp(36px, 6vw, 72px); display: grid; gap: 22px; justify-items: start;
}
.cta-box h2 { font-size: clamp(32px, 5vw, 56px); max-width: 22ch; }
.cta-box p { color: #dfe7ff; max-width: 56ch; font-size: 18px; }
.cta-box .btn-navy:hover { background: #000; }

/* ---------- footer ---------- */
footer { background: var(--navy); color: var(--on-navy); padding-block: 48px; font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
footer .logo { color: var(--white); }
footer .slash { color: var(--sky); }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--white); }

/* ---------- page header (inner pages) ---------- */
.page-head { padding-block: 72px 48px; }
.page-head .wrap { display: grid; gap: 20px; }
.page-head h1 { font-size: clamp(40px, 6vw, 68px); max-width: 16ch; }

/* ---------- /build ---------- */
.build { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; padding-top: 0; }
.process { display: grid; gap: 0; counter-reset: step; }
.process li { list-style: none; display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding-block: 20px; border-top: 1px solid var(--line); }
.process li::before { counter-increment: step; content: counter(step); width: 36px; height: 36px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; font: 800 15px var(--sans); }
.process h3 { font-size: 19px; margin-bottom: 4px; }
.process p { color: var(--ink-2); font-size: 16px; }
.process ol { margin: 0; padding: 0; }
.aside-note { margin-top: 24px; padding: 20px; border-radius: 12px; background: var(--white); border: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }
.aside-note b { color: var(--navy); }

.form { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: clamp(24px, 4vw, 40px); display: grid; gap: 20px; min-width: 0; }
.form h2 { font-size: 28px; }
.field { display: grid; gap: 8px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { font-weight: 700; font-size: 15px; }
label small { font-weight: 500; color: var(--ink-2); }
input, select, textarea {
  font: 16px/1.4 var(--sans); color: var(--navy);
  border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper);
  padding: 13px 14px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 4px var(--blue-soft); }
textarea { min-height: 140px; resize: vertical; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chips label { font-weight: 600; font-size: 14px; border: 1.5px solid var(--line); border-radius: 999px; padding: 9px 14px; cursor: pointer; background: var(--paper); }
.chips input:checked + label { background: var(--navy); color: var(--white); border-color: var(--navy); }
.chips input:focus-visible + label { outline: 3px solid var(--blue); outline-offset: 2px; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; justify-content: space-between; }
.form-foot p { font-size: 14px; color: var(--ink-2); }
.hp { position: absolute; left: -9999px; }
.sent { display: none; background: var(--blue-soft); border-radius: 12px; padding: 20px; font-weight: 600; }
.sent:target, .sent.show { display: block; }

/* ---------- /work ---------- */
.work-list { display: grid; gap: 28px; padding-top: 0; }
.work-item { display: grid; grid-template-columns: 1.1fr 0.9fr; background: var(--white); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.work-item:nth-child(even) .work-shot { order: 2; border-right: 0; border-left: 1px solid var(--line); }
.work-shot { background: var(--paper); border-right: 1px solid var(--line); display: grid; place-items: center; padding: clamp(16px, 3vw, 36px); min-width: 0; }
.work-shot img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 18px 40px -22px rgba(11, 31, 46, 0.35); }
.work-body { padding: clamp(24px, 4vw, 44px); display: grid; gap: 14px; align-content: center; min-width: 0; }
.work-body h2 { font-size: clamp(28px, 3.4vw, 40px); }
.work-body .for { font: 700 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.work-body p { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font: 600 13px var(--mono); background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 4px 9px; color: var(--ink-2); }

/* Travel HQ has no public site yet, so it gets a drawn preview */
.mock { height: 100%; min-height: 320px; display: grid; place-items: center; padding: 28px; background: linear-gradient(160deg, #eaf6ff, #f6f7f4); }
.mock-card { width: min(100%, 340px); background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 20px; display: grid; gap: 14px; box-shadow: 0 20px 50px -24px rgba(11,31,46,.3); font-size: 14px; }
.mock-card h4 { margin: 0; font-size: 18px; letter-spacing: -0.02em; }
.mock-card .muted { color: var(--ink-2); font-size: 13px; }
.who { display: flex; gap: 6px; }
.who span { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 700 12px var(--sans); color: var(--white); }
.tab-row { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 10px; font-variant-numeric: tabular-nums; }
.tab-row b { color: var(--blue); }
.mock-note { font: 600 11px var(--mono); color: var(--ink-2); text-align: center; margin-top: 10px; }

/* ---------- /about ---------- */
.about { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: start; padding-top: 0; }
.about-solo { grid-template-columns: 1fr; }
.prose { display: grid; gap: 18px; max-width: 64ch; min-width: 0; }
.prose h2 { font-size: 30px; margin-top: 18px; }
.prose p { color: var(--ink-2); }
.prose a { color: var(--blue); font-weight: 700; }
.timeline { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 28px; display: grid; gap: 0; }
.timeline h3 { font-size: 18px; margin-bottom: 12px; }
.timeline dl { margin: 0; display: grid; }
.timeline div { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding-block: 12px; border-top: 1px solid var(--line); font-size: 15px; }
.timeline dt { font: 700 13px/1.6 var(--mono); color: var(--blue); font-variant-numeric: tabular-nums; }
.timeline dd { margin: 0; }
.timeline dd small { display: block; color: var(--ink-2); font-size: 14px; }

/* ---------- 404 ---------- */
.lost { min-height: 60vh; display: grid; align-content: center; gap: 20px; }
.lost h1 { font-size: clamp(56px, 10vw, 120px); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap, .exp, .build, .about { grid-template-columns: 1fr; }
  .hero-stack { max-width: 560px; }
  .products, .audiences, .steps { grid-template-columns: 1fr; }
  .work-item { grid-template-columns: 1fr; }
  .work-item:nth-child(even) .work-shot { order: 0; border-left: 0; }
  .work-shot { border-right: 0; border-bottom: 1px solid var(--line); }
  .mock { min-height: 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding-block: 64px; }
  .hero { padding-block: 40px 64px; }
  .nav-links a:not(.btn) { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 20px; }
  .timeline div { grid-template-columns: 1fr; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:hover { transform: none; }
}

/* ---------- product cards, text-only ---------- */
.card { border-top-width: 4px; }
.card.p-learn { border-top-color: #ff6a1a; }
.card.p-audit { border-top-color: #1a7a42; }
.card.p-interview { border-top-color: #c8366e; }
.slash.s-learn { color: #ff6a1a; }
.slash.s-audit { color: #1a7a42; }
.slash.s-interview { color: #c8366e; }

/* ---------- "how we build" orbit ---------- */
.orbit { display: grid; gap: 24px; }
.orbit-stage { display: grid; place-items: center; }
.orbit-svg { width: 100%; max-width: 980px; height: auto; display: block; }
.o-track { fill: none; stroke: #1e3a4f; stroke-width: 2; }
.o-ring { fill: none; stroke: #2f5574; stroke-width: 2; stroke-dasharray: 6 7; }
.orbit.looping .o-ring { animation: ringdash 1s linear infinite; }
@keyframes ringdash { to { stroke-dashoffset: -26; } }
.o-node { cursor: pointer; color: var(--on-navy); }
.o-node .o-dot { fill: var(--navy-2); stroke: #1e3a4f; stroke-width: 2; transition: fill .25s, stroke .25s; }
.o-node .ic { color: #93a4b3; transition: color .25s; }
.o-node text { fill: #93a4b3; font: 700 15px var(--sans); transition: fill .25s; }
.o-node text.emoji { font: 24px 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif; fill: initial; }
.o-node text.sub { font: 700 10.5px var(--mono); letter-spacing: .06em; fill: #5f7488; }
.o-node.done .o-dot { stroke: var(--blue); }
.o-node.done .ic { color: #6d93ff; }
.o-node.done text { fill: var(--on-navy); }
.o-node.active .o-dot { fill: var(--sky); stroke: var(--sky); }
.o-node.active .ic { color: var(--navy); }
.o-node.active text { fill: var(--white); }
.o-node.active text.sub { fill: var(--sky); }
.o-node.launch.active .o-dot { fill: #3ddc97; stroke: #3ddc97; }
.o-node:focus-visible .o-dot { stroke: var(--white); stroke-width: 3; }
.o-node:focus { outline: none; }
.o-label { fill: var(--sky); font: 700 12px var(--mono); letter-spacing: .1em; }
.o-ver { fill: var(--white); font: 800 44px var(--sans); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.o-cap { fill: var(--sky); font: 700 13px var(--mono); }
.o-comet { fill: var(--sky); filter: drop-shadow(0 0 8px rgba(92, 200, 255, .95)); }
.orbit-detail { display: grid; gap: 4px; min-height: 104px; background: #081722; border: 1px solid #1e3a4f; border-radius: 12px; padding: 18px 20px; }
.orbit-detail .who { font: 700 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--sky); }
.orbit-detail h3 { font-size: 20px; }
.orbit-detail p { color: var(--on-navy); font-size: 16px; max-width: 70ch; }
@media (prefers-reduced-motion: reduce) {
  .orbit.looping .o-ring { animation: none; }
}