/* =========================================================================
   CheckBeforeYouBuild.com — "the section drawing"

   Site #1 (B4BuyingLand) looks DOWN at the land: a plan-view plat on a dark
   table. This one looks THROUGH it: a bright drawing-office sheet built around
   a cross-section, marked up in the colours actually used to flag what is
   underground before anyone digs.
   ========================================================================= */

:root {
  --sheet: #ffffff;
  --paper: #f2f3f1;
  --paper-2: #e8eae6;
  --sky-a: #dbe6ee;
  --sky-b: #f6f4ef;

  --ink: #16181a;
  --ink-2: #575b58;
  --rule: rgba(22, 24, 26, 0.16);
  --rule-2: rgba(22, 24, 26, 0.08);

  --dark: #17191a;
  --dark-2: #212425;
  --pale: #edefec;
  --pale-2: rgba(237, 239, 236, 0.72);
  --pale-3: rgba(237, 239, 236, 0.52);
  --rule-dark: rgba(237, 239, 236, 0.18);

  /* survey flagging: provisional, to be verified */
  --mark: #e8368f;
  --mark-ink: #c01e73;
  --mark-wash: rgba(232, 54, 143, 0.1);

  /* utility locate colours */
  --power: #d21f26;
  --water: #1f6fe0;
  --water-ink: #1558b8;
  --sewer: #12924f;
  --gas: #b98200;
  --comms: #d9550f;

  --shell: min(1240px, calc(100% - 48px));
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --text: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--text);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
svg { display: block; }
p { margin: 0; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-variation-settings: "wdth" 108;
  letter-spacing: -0.025em;
  line-height: 1.04;
}

.shell { width: var(--shell); margin-inline: auto; }

:focus-visible { outline: 3px solid var(--mark-ink); outline-offset: 3px; }
.on-dark :focus-visible, .next :focus-visible { outline-color: var(--mark); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 90;
  padding: 12px 18px;
  color: var(--sheet);
  background: var(--mark-ink);
  font-weight: 700;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* Drawing-sheet annotation type: Archivo squeezed narrow, wide tracking. */
.tech-label {
  font-family: var(--display);
  font-variation-settings: "wdth" 76;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mark-ink);
}

/* ------------------------------------------------------------------- bar */

.bar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 243, 241, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.bar-inner { display: flex; align-items: center; gap: 26px; min-height: 64px; }
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  min-width: 0;
  font-family: var(--display);
  font-variation-settings: "wdth" 92;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.wordmark b { font-weight: 700; }
.wordmark i { font-style: normal; color: var(--ink-2); }
.wordmark-tick {
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  border: 2px solid var(--mark-ink);
  border-radius: 50%;
  position: relative;
}
.wordmark-tick::after {
  content: "";
  position: absolute;
  inset: 2.5px;
  border-radius: 50%;
  background: var(--mark);
}
.bar-nav { display: flex; gap: 24px; font-size: 0.86rem; color: var(--ink-2); }
.bar-nav a { padding-block: 4px; border-bottom: 2px solid transparent; }
.bar-nav a:hover { color: var(--ink); border-bottom-color: var(--mark); }
.bar-readout {
  font-family: var(--display);
  font-variation-settings: "wdth" 80;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 7px 13px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  white-space: nowrap;
}
.bar-readout b { color: var(--mark-ink); font-size: 0.95rem; }
.bar-readout:hover { border-color: var(--mark); }
.readout-short { display: none; }

/* ------------------------------------------------------------------ hero */

.hero {
  padding-top: clamp(44px, 6vw, 86px);
  background: linear-gradient(180deg, var(--paper) 0%, #e4ecf1 68%, #dbe6ee 100%);
}
.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  column-gap: clamp(32px, 4vw, 68px);
  align-items: end;
  padding-bottom: clamp(34px, 5vw, 60px);
}
.hero-copy .tech-label { grid-column: 1 / -1; }
.hero h1 {
  grid-column: 1;
  margin: 20px 0 0;
  max-width: 15ch;
  font-size: clamp(2.5rem, 5.2vw, 4.4rem);
  font-variation-settings: "wdth" 112;
  font-weight: 600;
}
.hero-side { grid-column: 2; padding-bottom: 8px; }
.hero-lede { max-width: 44ch; color: var(--ink-2); font-size: clamp(1rem, 1.2vw, 1.13rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  background: transparent;
  border: 1.5px solid transparent;
  border-radius: 2px;
  font-family: var(--display);
  font-variation-settings: "wdth" 96;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background .16s, color .16s, border-color .16s, transform .16s;
}
.btn-sm { padding: 9px 14px; font-size: 0.82rem; }
.btn-mark { color: var(--sheet); background: var(--mark-ink); border-color: var(--mark-ink); }
.btn-mark:hover { background: var(--mark); border-color: var(--mark); transform: translateY(-1px); }
.btn-quiet { color: var(--ink); border-color: var(--rule); }
.btn-quiet:hover { border-color: var(--ink); }
.btn-line { color: var(--ink); border-color: var(--rule); }
.btn-line:hover { background: var(--ink); color: var(--sheet); border-color: var(--ink); }
.btn-plain { color: var(--ink-2); text-decoration: underline; text-underline-offset: 4px; padding-inline: 6px; }
.btn-plain:hover { color: var(--mark-ink); }

/* the section drawing --------------------------------------------------- */

.section-drawing { margin: 0; overflow: hidden; }
.section-drawing svg { display: block; width: 100%; height: clamp(340px, 46vw, 620px); overflow: hidden; }

.sd-grade { fill: none; stroke: var(--ink); stroke-width: 2.5; }
.sd-horizon-line { fill: none; stroke: rgba(237, 239, 236, 0.13); stroke-width: 1.2; }
.sd-speckle circle { fill: rgba(237, 239, 236, 0.16); }
.sd-water { fill: none; stroke: var(--water); stroke-width: 2.4; opacity: 0.9; }
.sd-saturated { fill: rgba(31, 111, 224, 0.14); }

.sd-flood { fill: none; stroke: var(--water); stroke-width: 1.6; stroke-dasharray: 12 8; }
.sd-flood-label,
.sd-tech {
  font-family: var(--display);
  font-variation-settings: "wdth" 78;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.sd-flood-label { fill: var(--water-ink); }
.sd-tech { fill: rgba(237, 239, 236, 0.6); }
.sd-tech-right { text-anchor: end; }

.sd-proposed path { fill: none; stroke: var(--ink); stroke-width: 2.2; stroke-dasharray: 9 6; stroke-linejoin: round; }
.sd-proposed .sd-proposed-slab { fill: rgba(22, 24, 26, 0.1); stroke-dasharray: none; stroke-width: 1.6; }
.sd-proposed-label {
  fill: var(--ink-2);
  font-family: var(--display);
  font-variation-settings: "wdth" 74;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-anchor: middle;
}

.sd-utilities path { fill: none; stroke-width: 3.2; stroke-linecap: round; }
.u-power { stroke: var(--power); }
.u-water { stroke: var(--water); }
.u-comms { stroke: var(--comms); }
.u-gas { stroke: var(--gas); }
.sd-riser { stroke: rgba(237, 239, 236, 0.32) !important; stroke-width: 2 !important; stroke-dasharray: 5 5; }

.sd-septic rect { fill: rgba(18, 146, 79, 0.18); stroke: var(--sewer); stroke-width: 2.2; }
.sd-septic path { fill: none; stroke: var(--sewer); stroke-width: 3.2; stroke-linecap: round; }
.sd-drop { stroke-dasharray: 6 5; opacity: 0.85; }

.sd-property { fill: none; stroke: rgba(237, 239, 236, 0.4); stroke-width: 1.6; stroke-dasharray: 14 6 3 6; }
.sd-dim { fill: none; stroke: rgba(237, 239, 236, 0.4); stroke-width: 1.2; }

.sd-ask text {
  fill: var(--mark);
  font-family: var(--text);
  font-size: 15px;
  font-weight: 600;
}
.sd-ask-sky text { fill: var(--mark-ink); }
.sd-ask .ask-leader { fill: none; stroke: var(--mark); stroke-width: 1.4; stroke-dasharray: 4 4; }
.sd-ask .ask-dot { fill: var(--mark); }
.sd-ask-right { text-anchor: end; }

.section-drawing figcaption {
  width: var(--shell);
  margin: 20px auto 0;
  max-width: 68ch;
  color: var(--ink-2);
  font-size: 0.86rem;
  font-style: italic;
}

/* ------------------------------------------------------------------- gap */

.gap { padding-block: clamp(60px, 8vw, 108px); background: var(--sheet); border-top: 1px solid var(--rule-2); }
.gap h2 { max-width: 22ch; font-size: clamp(1.75rem, 3.2vw, 2.9rem); }
.gap-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 2px solid var(--ink);
}
.gap-col { padding: 24px 30px 24px 0; }
.gap-col + .gap-col { padding-left: 30px; border-left: 1px solid var(--rule); }
.gap-col p:last-child { margin-top: 12px; color: var(--ink-2); max-width: 44ch; }
.gap-col-mark { position: relative; }
.gap-col-mark::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -2px;
  width: 46px;
  height: 4px;
  background: var(--mark);
}
.gap-close {
  max-width: 62ch;
  margin-top: clamp(26px, 3vw, 40px);
  font-size: clamp(1.02rem, 1.3vw, 1.2rem);
}

/* ---------------------------------------------------------------- checks */

.checks { padding-block: clamp(60px, 8vw, 100px); background: var(--paper); border-top: 1px solid var(--rule-2); }
.head { max-width: 60ch; }
.head h2 { margin: 16px 0 0; font-size: clamp(1.75rem, 3.2vw, 2.9rem); max-width: 20ch; }
.head-note { margin-top: 16px; color: var(--ink-2); max-width: 52ch; }

.log-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3vw, 56px);
  margin-top: clamp(32px, 4vw, 52px);
  align-items: start;
}
.js .log-shell { grid-template-columns: 340px minmax(0, 1fr); }

/* where you stand ------------------------------------------------------- */

.standing-inner {
  position: sticky;
  top: 88px;
  padding: 24px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--mark);
  border-radius: 2px;
}
.standing-bars { display: flex; gap: 4px; margin: 16px 0 14px; }
.standing-bars i {
  flex: 1;
  height: 14px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  border-radius: 1px;
}
.standing-bars i.is-working { background: var(--mark-wash); border-color: var(--mark); }
.standing-bars i.is-done { background: var(--mark-ink); border-color: var(--mark-ink); }
.standing-line { font-size: 1.02rem; font-weight: 500; }
.standing-next { margin-top: 14px; }
.standing-next p { color: var(--ink-2); font-size: 0.9rem; }
.standing-next b {
  display: block;
  font-family: var(--display);
  font-variation-settings: "wdth" 96;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 2px;
}
.standing-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--rule-2); }
.standing-note { margin-top: 12px; color: var(--ink-2); font-size: 0.76rem; }
.standing-note b { font-family: var(--display); font-variation-settings: "wdth" 82; }
.standing-status { margin-top: 14px; font-size: 0.82rem; font-weight: 600; color: var(--sewer); min-height: 20px; }
.standing-carried { margin-top: 12px; font-size: 0.78rem; color: var(--ink-2); }
.standing-carried h3 {
  font-family: var(--display);
  font-variation-settings: "wdth" 78;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 6px;
}
.standing-carried ul { margin: 8px 0 0; padding-left: 15px; }
.standing-carried li { margin-bottom: 3px; }
.standing-carried li strong { font-weight: 600; }

/* the log --------------------------------------------------------------- */

.log { border-top: 2px solid var(--ink); }
.row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1.15fr) minmax(0, 0.95fr);
  gap: 6px 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  background: var(--sheet);
  padding-inline: 20px;
  transition: box-shadow .18s ease;
}
.row-num {
  grid-row: span 2;
  font-family: var(--display);
  font-variation-settings: "wdth" 74;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  padding-top: 3px;
}
.row-body h3 { font-size: 1.16rem; font-variation-settings: "wdth" 100; }
.row-body > p { margin-top: 5px; color: var(--ink-2); font-size: 0.92rem; max-width: 44ch; }
.row-flag {
  display: inline-block;
  margin-top: 9px !important;
  padding: 3px 9px;
  color: var(--mark-ink) !important;
  background: var(--mark-wash);
  border-radius: 2px;
  font-size: 0.78rem !important;
  font-weight: 600;
}
.row-owner {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: start;
  color: var(--ink-2);
  font-size: 0.85rem;
  line-height: 1.45;
  padding-left: 20px;
  border-left: 1px solid var(--rule-2);
}
.row-owner span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--display);
  font-variation-settings: "wdth" 76;
  font-size: 0.63rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.row.is-done { box-shadow: inset 4px 0 0 var(--mark-ink); }
.row.is-working { box-shadow: inset 4px 0 0 var(--mark); }
.row.is-done .row-num { color: var(--mark-ink); }

/* three-state segmented control ----------------------------------------- */

.state {
  grid-column: 2;
  margin: 4px 0 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.state legend {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.state label {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--rule);
  margin-left: -1px;
  font-family: var(--display);
  font-variation-settings: "wdth" 86;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: background .14s, color .14s, border-color .14s;
}
.state label:first-of-type { margin-left: 0; border-radius: 2px 0 0 2px; }
.state label:last-of-type { border-radius: 0 2px 2px 0; }
.state label:hover { background: var(--paper-2); color: var(--ink); }
.state input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  margin: 0;
  cursor: pointer;
}
.state label:has(input:focus-visible) { outline: 3px solid var(--mark-ink); outline-offset: 2px; z-index: 3; }
.state label:has(input[value="in-review"]:checked) {
  color: var(--mark-ink);
  background: var(--mark-wash);
  border-color: var(--mark);
  z-index: 2;
}
.state label:has(input[value="resolved"]:checked) {
  color: var(--sheet);
  background: var(--mark-ink);
  border-color: var(--mark-ink);
  z-index: 2;
}
.state label:has(input[value="not-checked"]:checked) {
  color: var(--ink);
  background: var(--paper-2);
  border-color: var(--ink);
  z-index: 2;
}

.log-notes { display: block; margin-top: 26px; }
.log-notes > span {
  display: block;
  margin-bottom: 8px;
  font-family: var(--display);
  font-variation-settings: "wdth" 78;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.log-notes textarea {
  display: block;
  width: 100%;
  padding: 14px 16px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: 2px;
  resize: vertical;
  line-height: 1.6;
}
.log-notes textarea::placeholder { color: rgba(22, 24, 26, 0.45); }

.noscript-box {
  margin-top: 30px;
  padding: 20px 22px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--mark);
  max-width: 66ch;
}

/* Controls that only mean something with scripting available. */
.print-summary { display: none; }
.bar-readout, .standing, .state, .log-notes { display: none; }
.js .standing { display: block; }
.js .state { display: flex; }
.js .log-notes { display: block; }
.js .bar-readout:not([hidden]) { display: inline-block; }

/* ----------------------------------------------------------------- desks */

.desks { padding-block: clamp(60px, 8vw, 100px); background: var(--sheet); border-top: 1px solid var(--rule-2); }
.strata { margin: clamp(34px, 4vw, 52px) 0 0; padding: 0; list-style: none; counter-reset: strata; }
.stratum {
  counter-increment: strata;
  width: var(--stratum-width);
  min-width: 320px;
  padding: 22px 26px;
  border: 1px solid var(--rule);
  border-bottom: 0;
  background: var(--paper);
}
.stratum:last-child { border-bottom: 1px solid var(--rule); }
.stratum:nth-child(1) { background: #fbfbfa; }
.stratum:nth-child(2) { background: var(--paper); }
.stratum:nth-child(3) { background: var(--paper-2); border-left: 4px solid var(--mark); }
.stratum-scope {
  font-family: var(--display);
  font-variation-settings: "wdth" 88;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.stratum-scope::before {
  content: counter(strata, decimal-leading-zero) " / ";
  font-variation-settings: "wdth" 74;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mark-ink);
}
.stratum ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  color: var(--ink-2);
  font-size: 0.9rem;
}
.stratum li { position: relative; padding-left: 15px; }
.stratum li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--ink-2);
}

/* ----------------------------------------------------------------- flags */

.flags {
  padding-block: clamp(56px, 7vw, 92px);
  background:
    linear-gradient(180deg, var(--sky-b), var(--paper));
  border-top: 1px solid var(--rule-2);
}
.flag-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}
.flag { padding: 24px 24px 26px 0; }
.flag + .flag { padding-left: 24px; border-left: 1px solid var(--rule); }
.flag-pin { width: 26px; height: 58px; margin-bottom: 14px; }
.flag-staff { fill: none; stroke: var(--ink-2); stroke-width: 3; }
.flag-cloth { fill: var(--mark); }
.flag h3 { font-size: 1.06rem; font-variation-settings: "wdth" 96; }
.flag p { margin-top: 8px; color: var(--ink-2); font-size: 0.9rem; }

/* ------------------------------------------------------------------ next */

.next {
  padding-block: clamp(60px, 8vw, 100px);
  color: var(--pale);
  background: var(--dark);
}
.head-dark .tech-label { color: var(--mark); }
.head-dark .head-note { color: var(--pale-2); }

.route { margin: clamp(34px, 4vw, 52px) 0 0; padding: 0; list-style: none; counter-reset: stop; }
.route-stop {
  counter-increment: stop;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 12px 40px;
  padding: 26px 0;
  border-top: 1px solid var(--rule-dark);
}
.route-stop:last-child { border-bottom: 1px solid var(--rule-dark); }
.route-q {
  font-family: var(--display);
  font-variation-settings: "wdth" 102;
  font-size: clamp(1.15rem, 1.9vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  padding-left: 44px;
  position: relative;
}
.route-q::before {
  content: counter(stop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.3em;
  font-variation-settings: "wdth" 74;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mark);
}
.route-go {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--rule-dark);
  border-radius: 2px;
  transition: border-color .18s, background .18s, transform .18s;
}
.route-go + .route-go { margin-top: 10px; }
.route-stop > .route-go:nth-of-type(1) { grid-column: 2; }
a.route-go:hover { border-color: var(--mark); background: rgba(232, 54, 143, 0.08); transform: translateX(3px); }
.route-go b {
  display: block;
  font-family: var(--display);
  font-variation-settings: "wdth" 92;
  font-size: 1.02rem;
  font-weight: 600;
}
.route-go span { display: block; margin-top: 4px; color: var(--pale-2); font-size: 0.88rem; }
a.route-go b::after { content: " \2197"; color: var(--mark); }
.route-self { border-style: dashed; background: rgba(237, 239, 236, 0.04); }
.route-self b { color: var(--mark); }
.route-here .route-q { color: var(--pale); }

/* --------------------------------------------------------------- sources */

.sources { padding-block: clamp(56px, 7vw, 92px); background: var(--paper); }
.sources-inner { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(30px, 4vw, 64px); }
.sources h2 { margin: 16px 0 0; font-size: clamp(1.6rem, 2.6vw, 2.3rem); max-width: 14ch; }
.disclaimer {
  margin-top: 22px;
  padding: 16px 18px;
  max-width: 46ch;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--mark-ink);
  font-size: 0.88rem;
  color: var(--ink-2);
}
.disclaimer b { color: var(--ink); }
.source-list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.source-list li { border-bottom: 1px solid var(--rule); }
.source-list a, .source-plain { display: block; padding: 16px 0; }
.source-list b { display: block; font-family: var(--display); font-variation-settings: "wdth" 92; font-size: 0.98rem; font-weight: 600; }
.source-list span { display: block; margin-top: 3px; color: var(--ink-2); font-size: 0.86rem; }
.source-list a:hover b { color: var(--mark-ink); }
.source-list a b::after { content: " \2197"; color: var(--mark-ink); }

/* ------------------------------------------------------------------ foot */

.foot { padding-block: 30px 42px; background: var(--paper); border-top: 1px solid var(--rule); }
.foot-inner { display: flex; justify-content: space-between; align-items: baseline; gap: 22px; flex-wrap: wrap; }
.foot p { color: var(--ink-2); font-size: 0.85rem; }
.foot a { font-size: 0.85rem; font-weight: 600; border-bottom: 1px solid var(--rule); padding-bottom: 2px; }
.foot a:hover { color: var(--mark-ink); border-color: var(--mark-ink); }

/* =============================================================== responsive */

@media (max-width: 1100px) {
  .bar-nav { display: none; }
  .hero-copy { grid-template-columns: 1fr; }
  .hero h1 { max-width: 18ch; }
  .hero-side { grid-column: 1; margin-top: 22px; padding-bottom: 0; }
  .log-shell, .js .log-shell { grid-template-columns: 1fr; }
  .standing-inner { position: static; }
  .standing-tools .btn { flex: 1 1 auto; justify-content: center; }
  .row { grid-template-columns: 40px minmax(0, 1fr); }
  .row-owner {
    grid-column: 2;
    grid-row: auto;
    margin-top: 12px;
    padding-left: 14px;
    border-left: 2px solid var(--rule);
  }
  .state { grid-column: 2; margin-top: 14px; }
  .sources-inner { grid-template-columns: 1fr; }
  .route-stop { grid-template-columns: 1fr; gap: 14px; }
  .route-stop > .route-go:nth-of-type(1) { grid-column: 1; }
  .flag-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flag:nth-child(odd) { padding-left: 0; border-left: 0; }
  .flag:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--rule); }
  .flag:nth-child(n + 3) { border-top: 1px solid var(--rule); }
}

@media (max-width: 720px) {
  :root { --shell: min(1240px, calc(100% - 32px)); }
  html { scroll-padding-top: 70px; }
  .bar-inner { min-height: 56px; gap: 12px; }
  .bar-readout { padding: 6px 9px; font-size: 0.66rem; }
  .hero-copy { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2rem, 8.6vw, 2.9rem); font-variation-settings: "wdth" 104; max-width: none; }
  .hero-side { grid-column: 1; margin-top: 22px; padding-bottom: 0; }
  .section-drawing svg { height: 320px; }  .section-drawing figcaption { margin-top: 16px; }
  .gap-pair { grid-template-columns: 1fr; }
  .gap-col { padding: 20px 0; }
  .gap-col + .gap-col { padding-left: 0; padding-top: 22px; border-left: 0; border-top: 1px solid var(--rule); }
  .gap-col-mark::before { top: -1px; }
  .row { padding-inline: 14px; }
  .state label { flex: 1 1 auto; justify-content: center; padding: 10px 8px; font-size: 0.76rem; }
  .stratum { width: 100% !important; min-width: 0; padding: 18px 16px; }
  .stratum ul { gap: 5px 18px; }
  .flag-row { grid-template-columns: 1fr; }
  .flag, .flag:nth-child(even) { padding: 20px 0; border-left: 0; }
  .flag + .flag { border-top: 1px solid var(--rule); }
  .flag-pin { height: 44px; margin-bottom: 10px; }
}

@media (max-width: 430px) {
  .wordmark { font-size: 0.9rem; gap: 8px; }
  .wordmark i { display: none; }
  .readout-long { display: none; }
  .readout-short { display: inline; }
}

/* =================================================================== motion */

.js .lift { opacity: 0; transform: translateY(18px); }
.js .lift.is-in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1); }
.js .sd-proposed path { stroke-dashoffset: 220; }
.js .hero.is-set .sd-proposed path { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s ease .2s; }
.js .sd-ask { opacity: 0; }
.js .hero.is-set .sd-ask { opacity: 1; transition: opacity .7s ease; }
.js .hero.is-set .sd-ask:nth-of-type(1) { transition-delay: 1.1s; }
.js .hero.is-set .sd-ask:nth-of-type(2) { transition-delay: 1.35s; }
.js .hero.is-set .sd-ask:nth-of-type(3) { transition-delay: 1.6s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .lift { opacity: 1; transform: none; }
  .js .sd-proposed path { stroke-dashoffset: 0; }
  .js .sd-ask { opacity: 1; }
}

/* ==================================================================== print */

@media print {
  html, body { background: #fff; color: #000; }
  .bar, .hero, .gap, .desks, .flags, .next, .sources, .foot,
  .head, .log-shell, .noscript-box, .brief-dialog, .skip-link { display: none !important; }
  .checks { padding: 0; background: #fff; }
  .print-summary { display: block; color: #000; font-family: var(--text); font-size: 11pt; }
  .print-summary h2 { font-family: var(--display); font-size: 21pt; margin-bottom: 3pt; }
  .print-summary h3 {
    font-family: var(--display);
    font-variation-settings: "wdth" 80;
    font-size: 9pt;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 15pt 0 5pt;
    padding-bottom: 3pt;
    border-bottom: 1px solid #999;
  }
  .print-summary ul { margin: 0; padding-left: 14pt; }
  .print-summary li { margin-bottom: 7pt; }
  .print-summary li strong { display: block; }
  .print-summary li span { display: block; color: #333; font-size: 9.5pt; }
  .print-kicker { font-size: 8pt; letter-spacing: 0.18em; text-transform: uppercase; color: #555; }
  .print-meta { font-size: 9pt; color: #444; margin-top: 3pt; }
  .print-disclaimer { margin-top: 10pt; padding: 7pt 9pt; border: 1px solid #999; font-size: 9pt; }
  a[href]::after { content: ""; }
}