/* Backhaul Consulting Inc. - site styles, direction C2 (Control Room, product screens as media).
   Neutral ground with the brand navy and purple as accents only: no full-width brand-colour bands.
   Interface fragments ([data-ui]) keep their own product conventions (radius, borders, small type). */

@font-face { font-family: "Manrope"; src: url("/assets/manrope-400.849290ef12.woff2") format("woff2"); font-weight: 400 500; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/manrope-600.f7ac6258da.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/manrope-700.d2a12c85a8.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("/assets/manrope-800.74c161dbcb.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/ibm-plex-mono-400.08949f728d.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/assets/ibm-plex-mono-500.01d2854474.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  color-scheme: light dark;
  --ground: #f2f3f5; --field: #e8eaee; --paper: #ffffff; --ink: #0f1218; --ink2: #2c323d; --soft: #5b6270;
  --navy: #26305f; --navyInk: #eef1fb; --accent: #5a2d91; --ok: #1c7a4c; --warn: #8f5300;
  --line: rgba(14, 17, 22, .12);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0d0f13; --field: #15181e; --paper: #1b1f27; --ink: #f1f2f5; --ink2: #d3d7df; --soft: #a2a8b5;
    --navy: #eef1fb; --navyInk: #0d0f13; --accent: #c4a8ea; --ok: #5fd39b; --warn: #f0b35a;
    --line: rgba(255, 255, 255, .12);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { margin: 0; min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; font-family: Manrope, system-ui, sans-serif; background: var(--ground); color: var(--ink); font-size: 18px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); }
img, video, svg { max-width: 100%; }
main { flex: 1 0 auto; }
.nw { white-space: nowrap; }
.h1, .h2 { text-wrap: balance; }
h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 700; }
p, ul, ol { margin: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.skip { position: absolute; left: 16px; top: -80px; z-index: 10; display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; background: var(--paper); white-space: nowrap; }
.skip:focus { top: 12px; }

.wrap { max-width: 1312px; margin: 0 auto; padding: 0 32px; }
.h1 { font-size: clamp(36px, 7.2vw, 104px); line-height: .98; letter-spacing: -.045em; }
.h2 { font-size: clamp(30px, 4.2vw, 60px); line-height: 1.04; letter-spacing: -.04em; }
.h3 { font-size: 22px; line-height: 1.25; letter-spacing: -.015em; }
.lead { font-size: clamp(19px, 1.7vw, 24px); line-height: 1.42; max-width: 36ch; color: var(--ink2); }
.small { font-size: 15px; color: var(--soft); }
.body2 { color: var(--ink2); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 10px 24px; background: var(--navy); color: var(--navyInk); font-weight: 700; font-size: 16px; text-decoration: none; transition: transform 140ms var(--ease-out), background-color 180ms ease; }
.btn:hover { background: var(--accent); color: #fff; }
.btn:active { transform: scale(.98); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; margin-top: 32px; }
.text-link { font-weight: 700; text-underline-offset: 4px; }
.text-link:hover { color: var(--accent); }
.text-link.solo { display: inline-flex; align-items: center; min-height: 44px; }

/* Header */
.bar { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--ground) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.bar .wrap { display: flex; align-items: center; gap: 32px; height: 76px; }
.lockup { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; text-decoration: none; color: var(--ink); }
.lockup svg { width: 32px; height: 32px; flex: none; }
.lockup .mark-branch { stroke: var(--accent); }
.lockup .mark-trunk { stroke: var(--ink); }
.lockup b { font-size: 16px; letter-spacing: .14em; font-weight: 800; }
.nav { display: flex; gap: 30px; margin-left: auto; font-size: 16px; font-weight: 600; }
.nav a { text-decoration: none; color: var(--ink2); transition: color 180ms ease; }
.nav a:hover, .nav a[aria-current] { color: var(--accent); }
.btn-nav { min-height: 44px; padding: 0 18px; font-size: 15px; }
.menu { display: none; margin-left: auto; position: relative; }
.menu summary { list-style: none; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; background: var(--paper); font-weight: 700; font-size: 15px; cursor: pointer; }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { background: var(--navy); color: var(--navyInk); }
.menu:not([open]) nav { display: none; }
.menu nav { position: absolute; right: 0; top: 52px; width: min(280px, calc(100vw - 32px)); background: var(--paper); padding: 8px 0; display: flex; flex-direction: column; }
.menu nav a { padding: 14px 20px; text-decoration: none; font-weight: 700; color: var(--ink); }
.menu nav a[aria-current] { color: var(--accent); }

/* Sections */
.sec { padding: 144px 0; }
.field { background: var(--field); }
.head2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 48px; align-items: end; margin-bottom: 56px; }
.head2 .lead { max-width: 44ch; }

/* Hero */
.hero { padding: 72px 0 0; }
.hero-top { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 48px; align-items: end; margin-bottom: 48px; }
.hero-top .side { display: flex; flex-direction: column; gap: 28px; align-items: flex-start; }
.hero-page { padding: 88px 0 72px; }
.hero-page .lead { margin-top: 28px; max-width: 46ch; }
.hero-page .lead + .lead { margin-top: 16px; }
.film { position: relative; background: #26305f; overflow: hidden; }
/* The still sits under the video, so a frame shows before the video can draw one (or where it cannot play). */
.film-still { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.film video { position: relative; display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.film-note { font-size: 15px; color: var(--soft); margin-top: 12px; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 56px; }
.facts div { padding-right: 24px; }
.facts b { display: block; font-size: 22px; letter-spacing: -.035em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.facts span { font-size: 15px; color: var(--soft); }

/* Who it is for */
.who { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.who > div { background: var(--paper); padding: 40px; display: flex; flex-direction: column; gap: 12px; }
.who p { color: var(--ink2); }

/* Walkthrough (radio tabs, no script) */
.walk input { position: absolute; opacity: 0; pointer-events: none; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tabs label { display: inline-flex; align-items: center; min-height: 48px; padding: 0 20px; background: var(--paper); font-weight: 700; font-size: 16px; cursor: pointer; color: var(--ink2); transition: background-color 180ms ease, color 180ms ease, transform 140ms var(--ease-out); }
.tabs label:hover { color: var(--accent); }
.tabs label:active { transform: scale(.98); }
#st1:checked ~ .tabs [for=st1], #st2:checked ~ .tabs [for=st2], #st3:checked ~ .tabs [for=st3], #st4:checked ~ .tabs [for=st4], #st5:checked ~ .tabs [for=st5] { background: var(--navy); color: var(--navyInk); }
#st1:focus-visible ~ .tabs [for=st1], #st2:focus-visible ~ .tabs [for=st2], #st3:focus-visible ~ .tabs [for=st3], #st4:focus-visible ~ .tabs [for=st4], #st5:focus-visible ~ .tabs [for=st5] { outline: 3px solid var(--accent); outline-offset: 2px; }
.stage { display: none; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; align-items: center; }
#st1:checked ~ .stages .s1, #st2:checked ~ .stages .s2, #st3:checked ~ .stages .s3, #st4:checked ~ .stages .s4, #st5:checked ~ .stages .s5 { display: grid; animation: stagein 420ms var(--ease-out) both; }
@keyframes stagein { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.stage .say { display: flex; flex-direction: column; gap: 14px; }
.stage .say p { color: var(--ink2); }

/* Card rows: a grid on wide screens, a horizontal snap row on phones */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 40px; }
.cards.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards > div { display: flex; flex-direction: column; gap: 10px; }
.cards p { color: var(--ink2); }
.steps-row { counter-reset: step; }
.steps-row > div { padding-top: 26px; position: relative; }
.steps-row > div::before { content: ""; position: absolute; left: 0; top: 0; width: 48px; height: 4px; background: var(--accent); }

/* Case study */
.case { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.big-num { font-size: clamp(76px, 11vw, 168px); font-weight: 800; letter-spacing: -.06em; line-height: .9; font-variant-numeric: tabular-nums; }
.case .lead { margin-top: 24px; }
.list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.list li { padding-left: 22px; position: relative; color: var(--ink2); }
.list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 2px; background: var(--accent); }
.prose-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; margin-top: 64px; }
.prose-cols h3 { margin: 32px 0 14px; }
.prose-cols h3:first-child { margin-top: 0; }
.prose-cols p { color: var(--ink2); }

/* Infrastructure */
.infra { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 24px; align-items: start; }
.infra .col { display: flex; flex-direction: column; gap: 24px; }
.diagram { background: var(--paper); padding: 24px; }
.svc { margin-top: 72px; }
.note { font-size: 15px; color: var(--soft); margin-top: 8px; }

/* Close and footer */
.close { padding: 144px 0 104px; }
.close .h1 { max-width: 14ch; }
.close .lead { margin-top: 28px; }
.mail { display: inline-flex; align-items: center; min-height: 44px; font-size: 22px; font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
.mail:hover { color: var(--accent); }
.booking { margin-top: 32px; }
.foot { padding: 56px 0 calc(40px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }
.foot .row1 { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.foot .links { display: flex; flex-wrap: wrap; gap: 0 28px; font-size: 16px; font-weight: 600; }
.foot .links a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; text-decoration: none; color: var(--ink2); }
.foot .links a:hover { color: var(--accent); }
.foot .meta { font-size: 15px; color: var(--soft); margin-top: 28px; }

/* Text pages (privacy, 404) */
.prose { padding: 88px 0 112px; }
.prose .wrap > * { max-width: 68ch; }
.prose h2 { font-size: 26px; letter-spacing: -.02em; margin: 44px 0 12px; }
.prose p { color: var(--ink2); margin-top: 14px; }
.prose a { text-underline-offset: 3px; }

/* Interface fragments: the product's own conventions */
[data-ui] { background: #ffffff; color: #14171d; border: 1px solid rgba(14, 17, 22, .14); border-radius: 10px; overflow: hidden; font-size: 14px; line-height: 1.5; text-align: left; }
[data-ui] .top { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-bottom: 1px solid rgba(14, 17, 22, .08); background: #f7f8fa; font-size: 13px; }
[data-ui] .top b { font-weight: 700; }
[data-ui] .crumb, [data-ui] .tag, [data-ui] .note-ui, [data-ui] .hit span, [data-ui] .sum span, [data-ui] .tbl th, [data-ui] .meta span:nth-child(odd) { color: #5f6675; }
[data-ui] .tag { margin-left: auto; font-size: 12px; }
[data-ui] .tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
[data-ui] .tbl th { font-weight: 600; font-size: 12px; text-align: left; padding: 9px 12px; border-bottom: 1px solid rgba(14, 17, 22, .08); }
[data-ui] .tbl td { padding: 11px 12px; border-bottom: 1px solid rgba(14, 17, 22, .07); white-space: nowrap; }
[data-ui] .tbl tr:last-child td { border-bottom: 0; }
[data-ui] .num { font-variant-numeric: tabular-nums; }
[data-ui] .sel td { background: rgba(90, 45, 145, .06); }
[data-ui] .pill { display: inline-flex; align-items: center; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 5px; white-space: nowrap; }
[data-ui] .ok { background: rgba(28, 122, 76, .1); color: #1a6f45; }
[data-ui] .wait { background: rgba(90, 45, 145, .09); color: #5a2d91; }
[data-ui] .warn { background: rgba(143, 83, 0, .11); color: #7f4a00; }
[data-ui] .thumb { display: inline-block; width: 18px; height: 23px; border: 1px solid rgba(14, 17, 22, .25); border-radius: 2px; background: #fff; vertical-align: -6px; margin-right: 8px; position: relative; }
[data-ui] .thumb::before, [data-ui] .thumb::after { content: ""; position: absolute; left: 3px; right: 3px; height: 2px; background: #b9bec8; }
[data-ui] .thumb::before { top: 5px; }
[data-ui] .thumb::after { top: 9px; right: 6px; }
[data-ui] .pad { padding: 14px; }
[data-ui] .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 12px; margin-top: 12px; border-top: 1px solid rgba(14, 17, 22, .08); }
[data-ui] .note-ui { font-size: 12.5px; }
[data-ui] .b1 { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 6px; background: #26305f; color: #fff; font-size: 13px; font-weight: 600; }
[data-ui] .b2 { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 6px; border: 1px solid rgba(14, 17, 22, .18); font-size: 13px; font-weight: 600; }
[data-ui] .pages { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; padding: 14px; }
[data-ui] .pages span { aspect-ratio: 3 / 4; border: 1px solid rgba(14, 17, 22, .2); border-radius: 3px; background: #fff; position: relative; }
[data-ui] .pages span::before { content: ""; position: absolute; left: 18%; right: 18%; top: 16%; height: 2px; background: #b9bec8; box-shadow: 0 6px 0 #d3d7de, 0 12px 0 #d3d7de; }
[data-ui] .pages span.cut { border-left: 3px solid #5a2d91; }
[data-ui] .search { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid rgba(14, 17, 22, .18); border-radius: 7px; font-size: 14px; }
[data-ui] .split { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 14px; margin-top: 12px; }
[data-ui] .hit { padding: 9px 11px; border-radius: 7px; border: 1px solid rgba(14, 17, 22, .1); margin-bottom: 8px; }
[data-ui] .hit.on { border-color: #5a2d91; background: rgba(90, 45, 145, .05); }
[data-ui] .hit b { display: block; font-size: 13.5px; }
[data-ui] .hit span { font-size: 12.5px; }
[data-ui] .doc { background: #fbfbf9; color: #22262e; border: 1px solid rgba(14, 17, 22, .15); border-radius: 4px; padding: 12px; font-size: 10.5px; line-height: 1.5; }
[data-ui] .doc .dh { display: flex; justify-content: space-between; padding-bottom: 6px; margin-bottom: 6px; border-bottom: 1px solid #dcdfe4; }
[data-ui] .doc b { font-size: 11.5px; letter-spacing: .08em; }
[data-ui] .doc table { width: 100%; border-collapse: collapse; }
[data-ui] .doc td { padding: 2px 0; }
[data-ui] .doc td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
[data-ui] .doc .tot td { font-weight: 700; padding-top: 6px; border-top: 1px solid #dcdfe4; }
[data-ui] .doc mark { background: rgba(90, 45, 145, .18); color: inherit; padding: 0 2px; }
[data-ui] .meta { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 6px 10px; padding: 14px; border-bottom: 1px solid rgba(14, 17, 22, .08); font-size: 13.5px; }
[data-ui] .banner { padding: 9px 14px; background: rgba(90, 45, 145, .08); color: #5a2d91; font-size: 13px; font-weight: 600; }
[data-ui] .att { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 14px 14px; }
[data-ui] .att span { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid rgba(14, 17, 22, .14); border-radius: 6px; font-size: 12.5px; }
[data-ui] .log { list-style: none; margin: 0; padding: 6px 14px 14px; }
[data-ui] .log li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(14, 17, 22, .07); font-size: 13.5px; }
[data-ui] .log li:last-child { border-bottom: 0; }
[data-ui] .sum { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid rgba(14, 17, 22, .08); }
[data-ui] .sum div { display: flex; flex-direction: column; justify-content: space-between; padding: 12px 14px; }
[data-ui] .sum b { display: block; font-size: 22px; letter-spacing: -.02em; }
[data-ui] .sum span { font-size: 12px; }
[data-ui] .fix { list-style: none; margin: 0; padding: 4px 14px 14px; font-size: 13.5px; }
[data-ui] .fix li { padding: 9px 0; border-bottom: 1px solid rgba(14, 17, 22, .07); }
[data-ui] .fix li:last-child { border-bottom: 0; }
[data-ui] .box { display: inline-block; width: 15px; height: 15px; border-radius: 4px; border: 1.5px solid rgba(14, 17, 22, .3); vertical-align: -3px; margin-right: 10px; }
[data-ui] .box.done { background: #1c7a4c; border-color: #1c7a4c; }
[data-ui] .box.now { background: #5a2d91; border-color: #5a2d91; }
[data-ui] .fix li:has(> .box) { display: flex; align-items: flex-start; }
[data-ui] .fix li > .box { flex: none; margin-top: 2px; }
[data-ui] .msg { display: flex; gap: 12px; padding: 14px; }
[data-ui] .msg .av { width: 34px; height: 34px; border-radius: 8px; background: #26305f; flex: none; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 13px; }
@media (prefers-color-scheme: dark) {
  [data-ui] { background: #1b1f27; color: #eef0f4; border-color: rgba(255, 255, 255, .14); }
  [data-ui] .top { background: #161920; border-color: rgba(255, 255, 255, .08); }
  [data-ui] .crumb, [data-ui] .tag, [data-ui] .note-ui, [data-ui] .hit span, [data-ui] .sum span, [data-ui] .tbl th, [data-ui] .meta span:nth-child(odd) { color: #a7adba; }
  [data-ui] .tbl th, [data-ui] .tbl td, [data-ui] .row, [data-ui] .meta, [data-ui] .log li, [data-ui] .sum, [data-ui] .fix li { border-color: rgba(255, 255, 255, .08); }
  [data-ui] .sel td { background: rgba(196, 168, 234, .1); }
  [data-ui] .ok { background: rgba(95, 211, 155, .12); color: #5fd39b; }
  [data-ui] .wait { background: rgba(196, 168, 234, .14); color: #c4a8ea; }
  [data-ui] .warn { background: rgba(240, 179, 90, .12); color: #f0b35a; }
  [data-ui] .b1 { background: #eef0f4; color: #14171d; }
  [data-ui] .b2, [data-ui] .search, [data-ui] .att span, [data-ui] .hit { border-color: rgba(255, 255, 255, .18); }
  [data-ui] .banner { background: rgba(196, 168, 234, .12); color: #c4a8ea; }
  [data-ui] .box { border-color: rgba(255, 255, 255, .35); }
  [data-ui] .msg .av { background: #c4a8ea; color: #14171d; }
}
pre.term { margin: 0; background: #0d0f14; color: #d6dae3; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13.5px; line-height: 1.8; padding: 22px 24px; overflow-x: auto; }
pre.term code { font: inherit; }
pre.term .c { color: #8a92a6; }
pre.term .g { color: #5fd39b; }
pre.term .y { color: #e6c07b; }

/* Diagrams: one line style (1.5 px), drawn in code */
.dg { display: block; width: 100%; height: auto; }
.dg .card { fill: var(--field); }
.dg .s { stroke: var(--ink2); stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.dg .acc { stroke: var(--accent); stroke-width: 1.5; fill: none; stroke-linecap: round; }
.dg .okl { stroke: var(--ok); stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.dg .okf { fill: var(--ok); }
.dg-lab { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 8px; text-align: center; font-size: 14px; line-height: 1.3; color: var(--soft); }
.dg-res { text-align: center; font-size: 15px; font-weight: 700; color: var(--ink); margin-top: 2px; }
.dg .flow { stroke: var(--accent); stroke-width: 1.5; fill: none; stroke-dasharray: 4 6; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -20; } }

/* Section text has no scroll entrance: a heading still moving or fading covers the content under it. */
@media (prefers-reduced-motion: reduce) {
  .dg .flow, .stage { animation: none !important; }
}

@media (max-width: 960px) {
  .hero-top, .head2, .case, .infra, .prose-cols { grid-template-columns: minmax(0, 1fr); }
  .head2 { gap: 20px; }
}
@media (max-width: 760px) {
  body { font-size: 17px; }
  .wrap { padding: 0 16px; }
  .nav, .bar .btn-nav { display: none; }
  .menu { display: block; }
  .bar .wrap { height: 64px; }
  .hero { padding: 28px 0 0; }
  .hero-top { gap: 20px; margin-bottom: 24px; }
  .hero-page { padding: 44px 0 40px; }
  .h1 { font-size: 38px; }
  .h2 { font-size: 30px; }
  .sec { padding: 64px 0; }
  .head2 { margin-bottom: 28px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; margin-top: 28px; }
  .who { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .who > div { padding: 22px; }
  .tabs { gap: 6px; flex-wrap: nowrap; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 -16px 20px; padding: 0 16px; scrollbar-width: none; }
  .tabs label { min-height: 44px; padding: 0 14px; font-size: 15px; flex: none; scroll-snap-align: start; }
  .stage { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .stage .say p { display: none; }
  /* Card rows become one swipeable row: same content, a fraction of the height */
  .cards, .cards.c2 { display: grid; grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: 78%; align-items: start; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 -16px; padding: 0 16px 6px; scrollbar-width: none; }
  .cards > div { background: var(--paper); padding: 22px; scroll-snap-align: start; }
  .field .cards > div { background: var(--ground); }
  .steps-row > div { padding-top: 22px; }
  .steps-row > div::before { left: 22px; top: 0; }
  .case { gap: 24px; }
  .prose-cols { gap: 32px; margin-top: 40px; }
  .svc { margin-top: 32px; }
  .desk { display: none !important; }
  .close { padding: 64px 0 56px; }
  .close .h1 { font-size: 36px; }
  .mail { font-size: 19px; }
  [data-ui] .split { grid-template-columns: minmax(0, 1fr); }
  [data-ui] .split .doc { display: none; }
  [data-ui] .pages { grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 5px; padding: 10px; }
  [data-ui] .tbl .hide { display: none; }
  [data-ui] .top .crumb { display: none; }
  [data-ui] .tbl td, [data-ui] .tbl th { padding: 9px 8px; }
  pre.term { font-size: 12px; padding: 16px; }
  .prose { padding: 44px 0 64px; }
}
@media (min-width: 761px) { .phone { display: none !important; } }

/* Single-column card list on wide screens (case study steps) */
.cards.stack { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 760px) {
  .sec { padding: 48px 0; }
  .who.cards > div { background: var(--paper); }
  .close { padding: 48px 0 44px; }
  .close .lead { display: none; }
  .foot { padding-top: 36px; }
  .foot .links { gap: 0 20px; font-size: 15px; }
}

/* Hero: the headline takes the full measure (two lines at 1440), the lead and button sit beside each other below it */
.hero-top { grid-template-columns: minmax(0, 1fr); gap: 32px; }
.hero-top .h1 { max-width: 15ch; }
.hero-top .side { flex-direction: row; align-items: center; gap: 24px 48px; flex-wrap: wrap; }
.hero-top .side .lead { max-width: 52ch; }
@media (min-width: 961px) { .hero-top .h1 { max-width: none; } }
/* Footer separates by tone, not a rule */
.foot { border-top: 0; background: var(--field); }
@media (max-width: 760px) { .hero-top .side { flex-direction: column; align-items: flex-start; } }
.cards.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .cards.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* Placed after the column templates so that the phone swipe row wins over them. */
@media (max-width: 760px) { .cards.c3, .cards.c4 { grid-template-columns: none; } }

/* Phone fixes: rows and tabs snap to the page gutter, values stay whole, long rows stack */
@media (max-width: 760px) {
  .tabs, .cards, .cards.c2 { scroll-padding-inline: 16px; }
  .diagram { padding: 16px; }
  .dg-lab { font-size: 13px; }
  pre.term { white-space: pre-wrap; overflow-wrap: anywhere; overflow-x: visible; }
  .cards.stack-phone { display: flex; flex-direction: column; align-items: stretch; gap: 12px; overflow: visible; margin: 0; padding: 0; }
  .cards.stack-phone > div { width: auto; }
  .mt-lg { margin-top: 24px !important; }
  .foot .links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
  .foot .links a:first-child, .foot .links a:last-child { grid-column: 1 / -1; }
  .sec:not(.field):has(+ .desk + .close) { padding-bottom: 0; }
}
.mt-lg { margin-top: 72px; }
/* A diagram under two side-by-side panels spans both and keeps a readable width. */
.infra > .diagram.wide { grid-column: 1 / -1; }
.diagram.wide .dgf { max-width: 640px; margin: 0 auto; }

/* Sweep 4: text never cut or stranded */
/* A terminal line must never end at the block edge: wrap at every width, keep paths whole. */
pre.term { white-space: pre-wrap; overflow-wrap: break-word; }
pre.term .y { white-space: nowrap; }
/* Card headings and small text avoid a single word on the last line. */
.h3 { text-wrap: balance; }
.cards p, .facts span, [data-ui] .fix li { text-wrap: pretty; }
/* A value in the facts row stays on one line. */
.facts b { white-space: nowrap; }
@media (max-width: 760px) { .facts div { padding-right: 0; } }
@media (max-width: 380px) { .facts b { font-size: 19px; } }
/* Status rows led by a pill get the same hanging indent as checklist rows. */
[data-ui] .fix li:has(> .pill) { display: flex; align-items: flex-start; gap: 8px; }
[data-ui] .fix li > .pill { flex: none; margin-top: 1px; min-width: 76px; justify-content: center; }
[data-ui] .fix li > .t { min-width: 0; }
/* Three-column card grids step down to two columns on tablets. */
@media (min-width: 761px) and (max-width: 960px) {
  .cards:not(.c2):not(.c4):not(.stack):not(.steps-row):not(:has(> :nth-child(3):last-child)) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
/* The diagram panel uses the same card edge as the panels next to it. */
.diagram { border: 1px solid var(--line); border-radius: 10px; }
/* A page that ends on a tinted section keeps a visible edge above the footer. */
body:has(main > .sec.field:last-child) .foot { border-top: 1px solid var(--line); }

/* Sweep 5: one grid, one card edge, nothing stranded */
/* Rows of panels use the same two equal columns as the card rows above them, and panels side by
   side end at the same line. */
@media (min-width: 961px) {
  .infra { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
  .infra .col > [data-ui]:last-child, .infra .col > .diagram:last-child { flex: 1; }
}
/* Every card, panel and sample block shares one edge. */
.who > div, pre.term { border: 1px solid var(--line); border-radius: 10px; }
pre.term { border-color: rgba(255, 255, 255, .08); }
@media (max-width: 760px) { .cards > div { border: 1px solid var(--line); border-radius: 10px; } }
/* A facts label sits on its own line under its value, with tight spacing, and wraps evenly. */
.facts span { display: block; margin-top: 4px; line-height: 1.35; text-wrap: balance; }
/* Button labels, list items and lead text never leave one word alone on the last line. */
.btn { text-align: center; text-wrap: balance; }
.list li, .lead, .prose p { text-wrap: pretty; }
/* A wrapped terminal line indents under its text, so it does not read as a new log line. */
pre.term .ln { display: block; padding-left: 2ch; text-indent: -2ch; }
/* The 404 page uses the same hero as the other pages. */
.hero-page .after { margin-top: 24px; color: var(--ink2); }
/* A page title keeps clear space above the first paragraph. */
.prose .h1 + p { margin-top: 24px; }
/* On the narrowest phones, a swipe row whose cards differ a lot in height stacks instead. */
@media (max-width: 380px) {
  .cards.stack-narrow { display: flex; flex-direction: column; align-items: stretch; gap: 12px; overflow: visible; margin: 0; padding: 0; }
  .cards.stack-narrow > div { width: auto; }
}
/* Footer links on tablets fill two whole rows of three. */
@media (min-width: 761px) and (max-width: 1023px) {
  .foot .links { display: grid; grid-template-columns: repeat(3, auto); gap: 0 28px; justify-content: start; }
}

/* A section header shares the column split of the row under it, so the intro text starts on the
   same edge as the second card, panel or caption below it. */
@media (min-width: 961px) {
  .head2:has(+ .who) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .head2:has(+ .who.cards) { column-gap: 40px; }
  .head2:has(+ .infra) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .head2:has(+ .cards:not(.c2):not(.c4):not(.stack)) { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; }
  .head2:has(+ .cards:not(.c2):not(.c4):not(.stack)) > .h2 { grid-column: span 2; }
  .head2:has(+ input[name=stage]) { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; }
}
/* Running text never ends on a single word: one rule for every paragraph and list item. Short card
   texts also carry a non-breaking space before their last word, because desktop Chrome does not
   always keep "pretty" in narrow cards. */
main p, main li { text-wrap: pretty; }
/* On the narrowest phones, headings are a little smaller, so a heading's last two words (joined so
   that no word is left alone) still fit on one line. */
@media (max-width: 374px) {
  .h1 { font-size: 32px; }
  .h2 { font-size: 27px; }
  .h3 { font-size: 20px; }
}