/* HM2 Corp — heavy haul.
   Two surfaces: drafting paper and blueprint. Everything dimensional is set
   in mono, because on a permit sheet the numbers are the only thing anyone
   reads twice. */

:root {
  --paper:      #f2f1ed;
  --paper-2:    #e6e4de;
  --blueprint:  #16283d;
  --blueprint-2:#0f1c2c;
  --ink:        #191c1e;
  --steel:      #6d7981;
  --flag:       #e8b21c;

  --rule: 1px solid color-mix(in srgb, var(--steel) 35%, transparent);
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --measure: 62ch;

  --display: "Archivo", "Arial Black", system-ui, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, .96rem + .2vw, 1.08rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- type -------------------------------------------------------------- */

h1, h2, h3, .display {
  font-family: var(--display);
  font-variation-settings: "wdth" 118;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -.01em;
  line-height: .95;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 1.2rem + 5.4vw, 5.2rem); }
h2 { font-size: clamp(1.75rem, 1.1rem + 2.6vw, 3rem); }
h3 { font-size: clamp(1.05rem, .95rem + .5vw, 1.35rem); font-variation-settings: "wdth" 110; }
p  { margin: 0 0 1rem; max-width: var(--measure); }
a  { color: inherit; }

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 .9rem;
  max-width: none;
}
.lede {
  font-size: clamp(1.05rem, 1rem + .5vw, 1.3rem);
  color: color-mix(in srgb, var(--ink) 82%, transparent);
}
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---- skip + focus ------------------------------------------------------ */

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--flag); color: var(--blueprint-2);
  padding: .75rem 1rem; font-family: var(--mono); font-size: .85rem;
}
.skip:focus { left: 0; }

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--flag);
  outline-offset: 2px;
}

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

.callbar {
  display: block;
  background: var(--flag);
  color: var(--blueprint-2);
  text-decoration: none;
  text-align: center;
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .6rem 1rem;
  border-bottom: 2px solid var(--blueprint-2);
}
.callbar b { font-weight: 700; letter-spacing: .06em; }

/* ---- header ------------------------------------------------------------ */

.site {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: baseline; gap: .55rem;
  text-decoration: none; padding: .85rem 0;
  font-family: var(--display); font-variation-settings: "wdth" 125;
  font-weight: 700; text-transform: uppercase;
  font-size: 1.5rem; letter-spacing: -.02em;
}
.brand .mark {
  background: var(--ink); color: var(--paper);
  padding: .1em .35em .05em; line-height: 1;
}
.brand .sub {
  font-family: var(--mono); font-size: .62rem; font-weight: 400;
  letter-spacing: .16em; color: var(--steel); text-transform: uppercase;
}
.site nav { display: flex; flex-wrap: wrap; gap: clamp(.6rem, 1.6vw, 1.6rem); align-items: center; }
.site nav a {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .1em;
  text-transform: uppercase; text-decoration: none; padding: .5rem 0;
  border-bottom: 2px solid transparent;
}
.site nav a:hover { border-bottom-color: var(--steel); }
.site nav a[aria-current="page"] { border-bottom-color: var(--flag); font-weight: 600; }
.site nav .navcta {
  background: var(--ink); color: var(--paper);
  padding: .5rem .85rem; border-bottom: 2px solid var(--ink);
}
.site nav .navcta:hover {
  background: var(--flag); color: var(--blueprint-2); border-bottom-color: var(--blueprint-2);
}


/* ---- mobile nav --------------------------------------------------------- */

/* The toggle only appears once JavaScript has taken the nav over. Without it
   nothing is hidden and the nav stays a plain wrapping list — which is what it
   was before, and perfectly usable. Nobody gets a menu they cannot open. */
.navtoggle {
  display: none;
  align-items: center; gap: .55rem;
  background: var(--ink); color: var(--paper);
  border: 2px solid var(--ink); border-radius: 0;
  padding: .5rem .75rem; cursor: pointer;
  font-family: var(--mono); font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
}
.navtoggle:hover { background: var(--flag); color: var(--blueprint-2); border-color: var(--blueprint-2); }

/* Three unequal rules, set like the dimension ticks used everywhere else. */
.navtoggle .bars { display: grid; gap: 4px; width: 20px; }
.navtoggle .bars i { display: block; height: 2px; background: currentColor; transition: transform .18s ease, opacity .18s ease, width .18s ease; }
.navtoggle .bars i:nth-child(1) { width: 100%; }
.navtoggle .bars i:nth-child(2) { width: 70%; }
.navtoggle .bars i:nth-child(3) { width: 100%; }
[data-nav-open] .navtoggle .bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
[data-nav-open] .navtoggle .bars i:nth-child(2) { opacity: 0; width: 0; }
[data-nav-open] .navtoggle .bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .site[data-nav] { flex-wrap: wrap; }
  .site[data-nav] .navtoggle { display: inline-flex; }

  /* Brand and toggle share the top row. Left to itself the brand claims the
     full width on a narrow phone and shunts the toggle onto a line of its
     own, which costs a stripe of screen for no reason. */
  .site[data-nav] .brand { flex: 1 1 auto; min-width: 0; }
  .site[data-nav] .navtoggle { flex: 0 0 auto; margin-left: auto; }

  .site[data-nav] nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 2px solid var(--ink);
    padding: .25rem 0 .85rem;
    /* A menu taller than the screen has to scroll, or the last item is
       unreachable on a small phone in landscape. */
    max-height: calc(100dvh - 7.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .site[data-nav][data-nav-open] nav { display: flex; }

  .site[data-nav] nav a {
    padding: .95rem .2rem;
    font-size: .95rem;
    letter-spacing: .08em;
    border-bottom: var(--rule);
    border-top: 0;
  }
  .site[data-nav] nav a:hover { border-bottom-color: var(--steel); }
  .site[data-nav] nav a[aria-current="page"] {
    border-left: 3px solid var(--flag);
    padding-left: .7rem;
    border-bottom-color: color-mix(in srgb, var(--steel) 35%, transparent);
  }
  .site[data-nav] nav .navcta {
    margin-top: .85rem;
    text-align: center;
    padding: 1rem;
    border: 2px solid var(--ink);
  }
}

/* ---- sheets ------------------------------------------------------------ */

.sheet { padding: clamp(2.75rem, 6vw, 5.5rem) var(--pad); position: relative; }
.sheet + .sheet { border-top: var(--rule); }
.sheet.dark {
  background: var(--blueprint); color: var(--paper);
  border-top-color: color-mix(in srgb, var(--paper) 25%, transparent);
}
.sheet.dark .eyebrow, .sheet.dark .steel { color: color-mix(in srgb, var(--paper) 62%, transparent); }
.sheet.dark .lede { color: color-mix(in srgb, var(--paper) 88%, transparent); }
.wrap { max-width: 1180px; margin-inline: auto; }

/* The title block: a drafting sheet tells you which sheet you are on and what
   it covers. So does this. */
.titleblock {
  display: flex; flex-wrap: wrap; gap: 0 1.5rem; align-items: baseline;
  border-bottom: 2px solid currentColor;
  padding-bottom: .5rem; margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .16em; text-transform: uppercase;
  max-width: none;
}
.titleblock .no { color: var(--flag); font-weight: 600; }
.titleblock .of { margin-left: auto; color: var(--steel); }
.sheet.dark .titleblock .of { color: color-mix(in srgb, var(--paper) 55%, transparent); }

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

.hero {
  background: var(--blueprint);
  color: var(--paper);
  padding: clamp(2.5rem, 5vw, 4.5rem) var(--pad) clamp(2rem, 4vw, 3.5rem);
  background-image:
    linear-gradient(color-mix(in srgb, #fff 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, #fff 4%, transparent) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px;
}
.hero h1 { max-width: 16ch; }
.hero h1 em { font-style: normal; color: var(--flag); }
.hero .lede { max-width: 46ch; margin-top: 1.25rem; color: color-mix(in srgb, var(--paper) 88%, transparent); }
.hero .eyebrow { color: color-mix(in srgb, var(--paper) 58%, transparent); }
.hero .actions { margin-top: 1.75rem; }
.hero .strip { margin-top: clamp(2rem, 4vw, 3rem); border-color: color-mix(in srgb, var(--paper) 40%, transparent); }
.hero .strip dt { color: color-mix(in srgb, var(--paper) 60%, transparent); }

/* ---- the diagram: signature -------------------------------------------- */

.diagram { margin: clamp(1.5rem, 4vw, 3rem) auto 0; max-width: 1180px; }
.diagram svg { width: 100%; height: auto; display: block; overflow: visible; }
.dl { stroke: var(--flag); stroke-width: 1.25; fill: none; vector-effect: non-scaling-stroke; }
.dl-ext { stroke: color-mix(in srgb, var(--flag) 45%, transparent); stroke-width: 1; fill: none; vector-effect: non-scaling-stroke; }
.rig-body {
  fill: none; stroke: color-mix(in srgb, #fff 78%, transparent);
  stroke-width: 1.75; vector-effect: non-scaling-stroke; stroke-linejoin: round;
}
.rig-fill { fill: color-mix(in srgb, #fff 8%, transparent); stroke: none; }
.rig-wheel { fill: none; stroke: color-mix(in srgb, #fff 60%, transparent); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.rig-road { stroke: color-mix(in srgb, #fff 35%, transparent); stroke-width: 1; stroke-dasharray: 8 6; vector-effect: non-scaling-stroke; }
.dim-text { font-family: var(--mono); font-size: 12px; fill: var(--flag); letter-spacing: .06em; }
.dim-label { font-family: var(--mono); font-size: 9.5px; fill: color-mix(in srgb, #fff 55%, transparent); letter-spacing: .16em; }

/* Dimension lines draw themselves once, on load. Nothing else on the page
   moves — the measurement is the point. */
.draw {
  stroke-dasharray: var(--len, 600);
  stroke-dashoffset: var(--len, 600);
  animation: draw 1.1s cubic-bezier(.6, .05, .2, 1) forwards;
}
.draw-1 { animation-delay: .15s; }
.draw-2 { animation-delay: .45s; }
.draw-3 { animation-delay: .75s; }
.fade { opacity: 0; animation: fade .5s ease forwards; }
.fade-1 { animation-delay: .9s; }
.fade-2 { animation-delay: 1.05s; }
.fade-3 { animation-delay: 1.2s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .draw { stroke-dashoffset: 0; animation: none; }
  .fade { opacity: 1; animation: none; }
}

/* ---- buttons ----------------------------------------------------------- */

.btn {
  display: inline-block; text-decoration: none;
  font-family: var(--mono); font-size: .82rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  padding: .95rem 1.5rem;
  background: var(--flag); color: var(--blueprint-2);
  border: 2px solid var(--flag); cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn[disabled] { opacity: .55; cursor: progress; transform: none; }
.btn-quiet { background: transparent; color: inherit; border-color: currentColor; }
.btn-quiet:hover { background: currentColor; color: var(--blueprint); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* ---- specs strip ------------------------------------------------------- */

.strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 2px solid currentColor;
}
.strip > div { padding: 1.1rem 1.25rem; border-right: var(--rule); }
.strip > div:last-child { border-right: 0; }
.strip dt {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--steel); margin: 0 0 .35rem;
}
.sheet.dark .strip dt { color: color-mix(in srgb, var(--paper) 60%, transparent); }
/* A fixed two-up, declared here rather than inline on each page, so the phone
   breakpoint below can actually override it. */
.strip-2 { grid-template-columns: 1fr 1fr; }

.strip dd {
  margin: 0; font-family: var(--display); font-variation-settings: "wdth" 112;
  font-weight: 700; font-size: 1.3rem; text-transform: uppercase; line-height: 1.05;
}

/* ---- cards ------------------------------------------------------------- */

.grid { display: grid; gap: clamp(1rem, 2.5vw, 2rem); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
.sheet.dark .card { border-top-color: var(--flag); }
.card h3 { margin-bottom: .55rem; }
.card p:last-child { margin-bottom: 0; }
.card .tag {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--flag); display: block; margin-bottom: .5rem;
}
.sheet:not(.dark) .card .tag { color: color-mix(in srgb, var(--flag) 78%, var(--ink)); }

.cols { display: grid; gap: clamp(1.5rem, 4vw, 3.5rem); grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }

/* ---- tables ------------------------------------------------------------ */

.tablewrap { overflow-x: auto; border: 2px solid currentColor; }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: .92rem; }
caption {
  text-align: left; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--steel); padding: 0 0 .6rem;
}
th, td { text-align: left; padding: .75rem 1rem; border-bottom: var(--rule); }
thead th {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--blueprint); color: var(--paper); border-bottom: 0; white-space: nowrap;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: color-mix(in srgb, var(--steel) 8%, transparent); }
td.n { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
td strong {
  font-family: var(--display); font-variation-settings: "wdth" 110;
  font-weight: 700; text-transform: uppercase; font-size: .95rem;
}

/* ---- rules list -------------------------------------------------------- */

.rules { list-style: none; margin: 0; padding: 0; }
.rules li {
  display: grid; grid-template-columns: minmax(7rem, auto) 1fr; gap: 0 1.25rem;
  padding: .9rem 0; border-bottom: var(--rule); align-items: baseline;
}
.rules li:first-child { border-top: var(--rule); }
.rules b { font-family: var(--mono); font-size: .82rem; color: var(--flag); font-weight: 600; letter-spacing: .04em; }
.sheet:not(.dark) .rules b { color: color-mix(in srgb, var(--flag) 70%, var(--ink)); }
.rules span { max-width: var(--measure); }

/* ---- forms ------------------------------------------------------------- */

.form { max-width: 820px; }
.fieldset { border: 0; padding: 0; margin: 0 0 2rem; }
.fieldset legend {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--steel); border-bottom: 2px solid var(--ink); width: 100%;
  padding-bottom: .5rem; margin-bottom: 1.1rem;
}
.row { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 1rem; }
.row.wide { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field label { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); }
.field label .req { color: #a3271b; }
.field .hint { font-size: .78rem; color: var(--steel); }
input, select, textarea {
  font-family: var(--body); font-size: 1rem; color: var(--ink);
  background: #fff; border: 2px solid color-mix(in srgb, var(--steel) 55%, transparent);
  padding: .7rem .8rem; width: 100%; border-radius: 0;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); }
input[inputmode="decimal"], input[inputmode="numeric"], input[type="tel"] { font-family: var(--mono); }
textarea { min-height: 7rem; resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.formnote { font-size: .85rem; color: var(--steel); max-width: var(--measure); }
.status {
  margin-top: 1rem; padding: 1rem 1.15rem; border-left: 4px solid var(--flag);
  background: var(--paper-2); font-size: .95rem; display: none;
}
.status.on { display: block; }
.status.err { border-left-color: #a3271b; }
.status b {
  display: block; font-family: var(--display); font-variation-settings: "wdth" 112;
  text-transform: uppercase; margin-bottom: .2rem;
}

/* ---- map --------------------------------------------------------------- */

.map svg { width: 100%; height: auto; display: block; }
.map-state { fill: color-mix(in srgb, #fff 7%, transparent); stroke: color-mix(in srgb, #fff 30%, transparent); stroke-width: .8; vector-effect: non-scaling-stroke; }
.map-core { fill: color-mix(in srgb, var(--flag) 22%, transparent); stroke: var(--flag); stroke-width: 1.1; vector-effect: non-scaling-stroke; }
.map-lane { stroke: var(--flag); stroke-width: 1.4; fill: none; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.map-hub { fill: var(--flag); }
.map-label { font-family: var(--mono); font-size: 10px; fill: color-mix(in srgb, #fff 70%, transparent); letter-spacing: .1em; }

/* ---- footer ------------------------------------------------------------ */

.foot {
  background: var(--blueprint-2); color: color-mix(in srgb, var(--paper) 80%, transparent);
  padding: clamp(2.5rem, 5vw, 4rem) var(--pad) 2rem;
}
.foot a { color: var(--paper); }
.foot .cols { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.foot h3 { font-size: .8rem; font-variation-settings: "wdth" 112; letter-spacing: .14em; color: var(--flag); margin-bottom: .75rem; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: .4rem; font-size: .92rem; }
.foot address { font-style: normal; font-size: .92rem; }
.foot .fine {
  margin-top: 2.5rem; padding-top: 1.25rem;
  border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
  font-family: var(--mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase;
  display: flex; flex-wrap: wrap; gap: .4rem 1.5rem;
  color: color-mix(in srgb, var(--paper) 55%, transparent);
}
.foot .fine a { color: inherit; }

/* Below this the brand needs the room more than the location does — the town
   is in the call bar, the footer and the page titles regardless. */
@media (max-width: 460px) {
  .brand .sub { display: none; }
  .brand { font-size: 1.2rem; gap: .4rem; }
  .navtoggle { padding: .5rem .6rem; font-size: .7rem; }
}

/* Two columns of "Same business day" on a 390px screen is three wrapped lines
   per cell. One column is taller and far quicker to read. */
@media (max-width: 560px) {
  .strip, .strip-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site { padding-inline: 1rem; }
  .site nav { width: 100%; border-top: var(--rule); padding: .35rem 0 .5rem; gap: .5rem .9rem; }
  .brand { font-size: 1.25rem; }
  .strip > div { border-right: 0; border-bottom: var(--rule); }
  .strip > div:last-child { border-bottom: 0; }
  .rules li { grid-template-columns: 1fr; gap: .25rem; }
}

/* lane chart */
.map-ring { fill: none; stroke: color-mix(in srgb, #fff 18%, transparent); stroke-width: 1; stroke-dasharray: 3 5; vector-effect: non-scaling-stroke; }
.map-ring-label { font-family: var(--mono); font-size: 9px; fill: color-mix(in srgb, #fff 45%, transparent); letter-spacing: .14em; }
.map-city { fill: var(--paper); }
.map-dist { font-family: var(--mono); font-size: 9px; fill: var(--flag); letter-spacing: .1em; }
.map-hub-label { font-family: var(--display); font-variation-settings: "wdth" 118; font-weight: 700; font-size: 15px; fill: var(--flag); letter-spacing: .04em; text-transform: uppercase; }