/* Arxiduc Systems, proposal build 2026-10-11 */

@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("../fonts/barlow-condensed-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("../fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  /* enamel and station panels */
  --enamel: #d5dadb;
  --enamel-2: #c8cdcf;
  --plate: #ecf0f1;
  --green: #142b34;
  --green-2: #1c3842;
  --green-3: #274753;
  --ink: #12181a;
  --ink-2: #394448;
  --on-green: #e6ebec;
  --on-green-2: #a8b7bd;
  /* metal */
  --zinc: #8e9496;
  --zinc-dark: #5e6669;
  --zinc-light: #b9bec0;
  --brass: #b08a4e;
  --brass-light: #d2b27a;
  --brass-ink: #7a5a26;
  /* the capsule */
  --signal: #e85a1c;
  --signal-hover: #ff6a26;
  --lamp-off: #3c545d;
  --lamp-on: #ffb25c;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --text: "Barlow", system-ui, sans-serif;

  --gutter: clamp(16px, 4vw, 56px);
  --maxw: 1240px;
  --sec-y: clamp(72px, 10vw, 140px);
  --tube: 6px;
  --radius: 4px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --thread-x: max(calc(var(--gutter) / 2 - 3px), calc((100vw - var(--maxw)) / 2 + var(--gutter) / 2 - 3px));
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--enamel);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--text);
  font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}
::selection { background: var(--brass-light); color: var(--ink); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
.hero :focus-visible, .top :focus-visible, .sec--green :focus-visible, .foot :focus-visible { outline-color: var(--lamp-on); }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.02; letter-spacing: -.005em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2.3rem, 4.6vw, 4rem); }
h3 { font-size: clamp(1.45rem, 2vw, 1.75rem); line-height: 1.1; }
p { margin: 0 0 1em; max-width: 68ch; text-wrap: pretty; }
.lead { font-size: clamp(1.2rem, 1.6vw, 1.4rem); line-height: 1.45; font-weight: 500; color: var(--ink); }
.lead--s { font-size: 1.15rem; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--lamp-on); color: var(--ink); padding: 10px 16px; font-weight: 600; }
.skip:focus { top: 12px; }

/* ---------- enamel parts (flat fills, no shine) ---------- */
.plate {
  position: relative;
  background-color: var(--plate);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(18, 24, 26, .14), 0 16px 34px -24px rgba(18, 24, 26, .5);
}
.plate--dark {
  background-color: var(--green-2);
  color: var(--on-green); box-shadow: 0 18px 36px -24px rgba(0,0,0,.6);
}

.lamp {
  display: inline-block; flex: none; width: 11px; height: 11px; border-radius: 50%;
  background: var(--lamp-off);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.45);
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}
.lamp--on, .is-lit > .lamp, [aria-selected="true"] > .lamp {
  background: var(--lamp-on);
  box-shadow: 0 0 0 3px rgba(255,178,92,.18), 0 0 14px rgba(255,178,92,.55);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 48px; padding: 0 1.4em; border-radius: var(--radius);
  font: 600 1.05rem/1 var(--text); letter-spacing: .01em; text-decoration: none; cursor: pointer;
  border: 0; transition: background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn--signal { background: var(--signal); color: var(--ink); }
.btn--signal:hover { background: var(--signal-hover); }
.btn--signal:active { transform: translateY(1px); }
.btn--signal[disabled] { opacity: .6; cursor: progress; }
.btn--ghost { background: transparent; color: var(--on-green); box-shadow: inset 0 0 0 1.5px var(--zinc); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--brass-light); color: #fff; }
.btn--sm { min-height: 42px; padding: 0 1.05em; font-size: .97rem; }

/* ---------- header ---------- */
.top { position: fixed; inset: 0 0 auto; z-index: 40; color: var(--on-green); transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.top.is-solid, .top--solid { background: rgba(20, 43, 52, .96); box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 10px 30px -18px rgba(0,0,0,.5); }
@supports (backdrop-filter: blur(8px)) { .top.is-solid, .top--solid { background: rgba(20, 43, 52, .88); backdrop-filter: blur(8px); } }
.top__in { display: flex; align-items: center; gap: 28px; max-width: var(--maxw); margin: 0 auto; padding: 14px var(--gutter); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--on-green); --mark-line: #c8d1d4; --mark-signal: var(--signal); }
.brand__mark { width: 54px; height: auto; }
.brand__word { font: 600 1.15rem/1 var(--text); letter-spacing: .16em; text-transform: uppercase; }
.brand__word span { color: var(--on-green-2); font-weight: 500; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font-weight: 500; text-decoration: none; color: var(--on-green-2); padding: 10px 0; transition: color .2s; }
.nav a:hover { color: #fff; }
.top__end { display: flex; align-items: center; gap: 18px; }
.lang { display: flex; align-items: center; font: 600 .9rem/1 var(--text); letter-spacing: .06em; }
.lang__item { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; color: var(--on-green-2); text-decoration: none; }
.lang__item + .lang__item { border-left: 1px solid var(--green-3); }
.lang__item.is-cur { color: #fff; }
a.lang__item:hover { color: #fff; }

/* ---------- hero: the station board ---------- */
.hero {
  position: relative; display: grid; grid-template-rows: auto auto;
  background: var(--green);
  color: var(--on-green);
  padding: clamp(104px, 14vh, 140px) 0 clamp(40px, 7vh, 72px);
  overflow: hidden;
}
.hero__copy {
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: fit-content(100%); gap: 28px;
}
.hero h1 { grid-column: 1 / -1; font-size: clamp(2.6rem, 5.6vw, 5.4rem); line-height: .98; letter-spacing: -.012em; }
.hero h1 span { display: block; color: var(--brass-light); }
.hero__sub { margin: 0 0 6px; font-size: clamp(1.05rem, 1.2vw, 1.15rem); line-height: 1.55; color: var(--on-green-2); max-width: none; }
.hero__ctas { margin: 0 0 6px; }
.hero__aside { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; contain: inline-size; }
.hero__aside .hero__sub { margin: 0; }

.run {
  --stations: 6;
  position: relative; width: 100%; max-width: var(--maxw); margin: clamp(56px, 9vh, 96px) auto 0; padding: 0 var(--gutter);
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 0; row-gap: 46px;
  align-items: start;
}
.run__pipes { position: absolute; left: 0; top: 0; z-index: 1; overflow: visible; pointer-events: none; }
.bus { fill: none; stroke: #4e5d63; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.bus-lit { fill: none; stroke: var(--brass-light); stroke-width: 3; stroke-linecap: round; transition: opacity .5s var(--ease); }
.via { fill: #4e5d63; transition: fill .3s var(--ease); }
.via.is-on { fill: var(--brass-light); }
.packet { fill: var(--signal); stroke: var(--green); stroke-width: 2; }
.run::before { /* the page thread leaves the inlet and runs down the left margin */
  content: ""; position: absolute; left: calc(var(--gutter) / 2 - 3px); width: calc(var(--gutter) / 2 + 3px);
  top: 36px; bottom: calc(-1 * clamp(40px, 7vh, 72px));
  border-left: var(--tube) solid var(--zinc); border-top: var(--tube) solid var(--zinc); border-top-left-radius: 16px;
}
.inlet {
  grid-row: 1; grid-column: 1; position: relative; z-index: 2;
  display: flex; align-items: center; gap: 14px; padding: 20px 24px 20px 20px; margin-right: -2px;
  background: var(--brass); border-radius: 8px; color: var(--ink); text-decoration: none;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.inlet:hover { background: var(--brass-light); }
.inlet:active { transform: translateY(1px); }
.inlet__port { width: 18px; height: 18px; border-radius: 50%; background: var(--ink); box-shadow: inset 0 0 0 5px var(--brass-ink); }
.inlet__label { font: 600 1.4rem/1.05 var(--display); letter-spacing: .01em; }

.run__stations {
  grid-row: 2; grid-column: 2; position: relative; z-index: 2; list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(var(--stations), 1fr); gap: 12px;
}
.run__stations li {
  position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: 9px; align-items: center;
  padding: 12px 12px; background: var(--green-2); border: 1.5px solid var(--green-3); border-radius: var(--radius);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.run__stations li.is-lit { border-color: var(--brass-light); background: #213f4a; }
.run__stations li.is-hit { transform: translateY(-3px); }
.run__stations .lamp { grid-row: span 2; }
.run__stations b { font: 600 1.2rem/1.05 var(--display); color: var(--on-green); letter-spacing: .01em; }
.run__stations i { font-style: normal; font-size: .92rem; color: var(--on-green-2); }
.run__stations li.is-lit b { color: #fff; }

/* the tube that threads the page */
.sec { position: relative; padding: var(--sec-y) 0; }
.sec::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: var(--thread-x);
  width: var(--tube); background: var(--zinc);
}
.sec::after { content: ""; position: absolute; top: -6px; left: calc(var(--thread-x) - 3px); width: 12px; height: 12px; border-radius: 2px; background: var(--brass); }
.sec--enamel { background: var(--enamel); }
.sec--green { background: var(--green); color: var(--on-green); }
.sec--green p { color: var(--on-green-2); }
.sec--green .lead { color: var(--on-green); }

/* ---------- problem ---------- */
.frag__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); grid-template-areas: "text fig" "pattern fig"; gap: clamp(32px, 5vw, 72px) clamp(32px, 6vw, 96px); align-items: start; }
.frag__text { grid-area: text; } .frag__pattern { grid-area: pattern; }
.frag__text h2 { margin-bottom: 28px; max-width: 13ch; }
.frag__text p { color: var(--ink-2); }
.frag__text .lead { color: var(--ink); }
.ticks { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 14px; align-items: baseline; font-weight: 500; }
.ticks li::before { content: ""; flex: none; width: 18px; height: 6px; border-radius: 3px; background: var(--zinc-dark); transform: translateY(-3px); }
.islands { grid-area: fig; align-self: center; margin: 0; padding: clamp(24px, 3vw, 40px); }
.islands__svg { width: 100%; height: auto; }
.islands__count { margin: 10px 0 2px; min-height: 1.5em; font-weight: 500; color: var(--ink-2); }
.islands__count b { font: 600 1.5rem/1 var(--display); color: var(--ink); font-variant-numeric: tabular-nums; }
.islands figcaption { margin-top: 4px; font: 600 1.2rem/1.2 var(--display); color: var(--ink); }
.frag__pattern { padding-top: 20px; border-top: var(--tube) solid var(--enamel-2); }
.frag__pattern h3 { font-size: clamp(1.7rem, 2.6vw, 2.2rem); margin-bottom: 18px; }
.frag__pattern p { color: var(--ink-2); }
.frag__pattern .lead { color: var(--ink); }
.islands__svg { shape-rendering: geometricPrecision; text-rendering: geometricPrecision; }
.isl-line { stroke: var(--ink-2); stroke-width: 1; opacity: .16; transition: opacity .35s var(--ease), stroke .25s, stroke-width .25s; }
.isl-line.is-off { opacity: 0; }
.isl-line.is-hl { stroke: var(--ink); stroke-width: 1.5; opacity: .55; }
.isl-line.is-real { stroke: var(--brass); stroke-width: 3.5; opacity: 1; stroke-linecap: round; transition: stroke-dashoffset .9s var(--ease); }
.isl-line.is-real.is-hl { stroke: var(--signal); stroke-width: 4.5; }
.isl-can { cursor: pointer; transition: opacity .4s var(--ease); outline: none; }
.isl-can.is-off { opacity: 0; }
.isl-can .hit { fill: transparent; }
.isl-can .port { fill: var(--plate); stroke: var(--zinc-dark); stroke-width: 2; transition: fill .3s var(--ease), stroke .3s var(--ease); }
.isl-can.is-on .port { fill: var(--brass); stroke: var(--brass-ink); }
.isl-can:hover .port, .isl-can:focus-visible .port, .isl-can.is-sel .port { stroke: var(--ink); stroke-width: 2.5; }
.isl-can.is-sel .port { fill: var(--signal); stroke: var(--signal); }
.isl-can text { font: 600 17px var(--display); letter-spacing: .01em; fill: var(--ink); }
.isl-can:hover text, .isl-can.is-sel text { fill: #000; }

/* ---------- shift ---------- */
.shift { background: var(--plate); padding-bottom: 0; }
.shift__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px clamp(32px, 6vw, 96px); align-items: start; }
.shift__grid p { color: var(--ink-2); }
.shift__grid .lead { color: var(--ink); }
.shift__statement {
  margin: clamp(56px, 8vw, 110px) auto 0; max-width: var(--maxw);
  padding-top: clamp(28px, 4vw, 48px); padding-bottom: clamp(56px, 8vw, 110px);
  font: 600 clamp(2.6rem, 7.4vw, 6rem)/.98 var(--display); letter-spacing: -.012em; color: var(--ink);
  position: relative;
}
.shift__statement::before { /* the brass line the statement sits on */
  content: ""; position: absolute; left: var(--gutter); right: var(--gutter); top: 0; height: var(--tube); border-radius: 3px;
  background: var(--brass);
}
.shift__statement em { font-style: normal; color: var(--brass-ink); display: block; }

/* ---------- system console ---------- */
/* same columns as the body below, so the intro starts and ends exactly with the panel */
.console__head { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 24px clamp(24px, 4vw, 56px); align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.console__head p { margin: 0; font-size: 1.15rem; text-wrap: balance; }
.console__body { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: stretch; }
.console__plan { position: relative; aspect-ratio: 640 / 420; align-self: start; container-type: inline-size; }
.plan { position: absolute; inset: 0; width: 100%; height: 100%; }
.plan__tubes path { fill: none; stroke: var(--zinc); stroke-width: 10; stroke-linecap: round; opacity: .55; transition: stroke .3s var(--ease), opacity .3s var(--ease); }
.plan__tubes path.is-active { stroke: var(--brass-light); opacity: 1; }
.dests__dot, .dests__pulse { display: none; }
.plan__flow path { fill: none; stroke: var(--lamp-on); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 1 22; opacity: .55; }
@media (prefers-reduced-motion: no-preference) { .plan__flow path { animation: flow 1.6s linear infinite; } .plan__flow path.is-active { animation-direction: reverse; animation-duration: .9s; opacity: 1; } }
@keyframes flow { to { stroke-dashoffset: -23; } }
@media (prefers-reduced-motion: no-preference) { .hub .lamp { animation: beat 2.4s ease-in-out infinite; } }
@keyframes beat { 50% { box-shadow: 0 0 0 6px rgba(255,178,92,.12), 0 0 18px rgba(255,178,92,.6); } }
.plan__capsule { fill: var(--signal); filter: drop-shadow(0 0 6px rgba(232,90,28,.7)); }
.hub {
  position: absolute; left: 37%; top: 38%; width: 26%; height: 24%;
  display: flex; align-items: center; justify-content: center; gap: 10px; text-align: center;
  background: var(--brass); color: var(--ink);
  border-radius: 6px; font: 600 clamp(.8rem, 3cqi, 1.3rem)/1.05 var(--display);
}
.dests { position: absolute; inset: 0; }
.dest {
  position: absolute; width: 24%; height: 15%; display: flex; align-items: center; gap: 9px; padding: 0 10px; white-space: nowrap;
  background: var(--green-2); color: var(--on-green); border: 1.5px solid var(--green-3); border-radius: 6px;
  font: 600 clamp(.72rem, 2.35cqi, 1.12rem)/1.05 var(--display); text-align: left; cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.dest:hover { border-color: var(--brass); transform: translateY(-1px); }
.dest[aria-selected="true"] { background: #284955; border-color: var(--brass-light); }
.d1 { left: 0; top: 9%; } .d2 { left: 0; top: 42.5%; } .d3 { left: 0; top: 76%; }
.d4 { right: 0; top: 9%; } .d5 { right: 0; top: 42.5%; } .d6 { right: 0; top: 76%; }
.console__panel { padding: clamp(28px, 3vw, 44px); padding-top: clamp(40px, 4vw, 52px); display: flex; flex-direction: column; justify-content: center; min-height: 280px; }
.console__panel h3 { font-size: clamp(1.8rem, 2.6vw, 2.4rem); margin-bottom: 16px; color: #fff; }
.console__panel p { font-size: 1.1rem; }
.console__panel.is-swap h3, .console__panel.is-swap p { animation: swap var(--swap, .45s) cubic-bezier(.45,0,.25,1); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } }

/* ---------- website check ---------- */
.check { background: var(--plate); }
.check__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 40px clamp(40px, 6vw, 96px); align-items: start; }
.check__intro h2 { margin-bottom: 24px; max-width: 16ch; }
.check__intro p { color: var(--ink-2); }
.check__intro .lead { color: var(--ink); }
.check__cta { margin-top: 28px; }
.checklist { list-style: none; margin: 6px 0 0; padding: 0 0 0 44px; position: relative; }
.checklist li { position: relative; padding: 0 0 26px; }
.checklist li:not(:last-child)::before { /* the line runs from this point to the next one and ends at the last */
  content: ""; position: absolute; left: -38px; top: 13.5px; height: 100%; width: 3px; background: var(--zinc);
}
.checklist li:last-child { padding-bottom: 0; }
.checklist__node { position: absolute; left: -44px; top: 6px; width: 15px; height: 15px; border-radius: 50%; background: var(--plate); border: 3px solid var(--brass-ink); }
.checklist h3 { margin: 0 0 6px; }
.checklist p { color: var(--ink-2); margin: 0; }

/* ---------- services ---------- */
.services__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px clamp(40px, 6vw, 96px); align-items: start; }
.services__aside { position: sticky; top: 110px; }
.services__aside h2 { margin-bottom: 20px; }
.services__aside p { color: var(--ink-2); max-width: 40ch; }
.services__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.service { padding: 22px 0 24px; border-top: 3px solid var(--zinc); }
.service h3 { margin: 0 0 8px; }
.service p { color: var(--ink-2); margin: 0; }

/* ---------- industries: the directory board ---------- */
.directory__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(32px, 4vw, 52px); }
/* two fixed lines on wide screens; the box is as wide as the first line and sits at the right edge, so that line ends flush with the board */
.directory__head p { margin: 0; font-size: 1.15rem; width: max-content; max-width: 100%; justify-self: end; text-wrap: wrap; }
@media (max-width: 900px) { .directory__head p { width: auto; justify-self: start; text-wrap: balance; } .br-wide { display: none; } }
.board { list-style: none; margin: 0; padding: 12px; background: #0a161b; border-radius: 8px; box-shadow: inset 0 2px 8px rgba(0,0,0,.5); display: grid; gap: 6px; }
.board__row {
  width: 100%; display: grid; grid-template-columns: 14px minmax(180px, .9fr) minmax(0, 1.6fr) auto; gap: 22px; align-items: center;
  padding: 20px 22px; background: var(--plate); color: var(--ink); border: 0; border-radius: 3px; text-align: left; cursor: pointer;
  font: inherit; transition: background .2s var(--ease);
}
.board__row b { font: 600 clamp(1.35rem, 2vw, 1.7rem)/1.05 var(--display); letter-spacing: .015em; }
.board__row span:not(.lamp) { color: var(--ink-2); }
.board__row i { font-style: normal; font-weight: 600; font-size: .92rem; color: var(--brass-ink); white-space: nowrap; text-underline-offset: .25em; }
.board__row:hover, .board__row:focus-visible { background: #fff; }
.board__row:hover i, .board__row:focus-visible i { text-decoration: underline; }
.board__row:hover .lamp { background: var(--lamp-on); box-shadow: 0 0 12px rgba(255,178,92,.5); }
:target > .board__row { background: #fff; }

/* ---------- method: one line, four stops ---------- */
.line { background: var(--enamel); }
.line h2 { margin-bottom: clamp(40px, 6vw, 72px); }
.stops { --p: 0; list-style: none; margin: 0; padding: 0; position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stops::before, .stops::after { content: ""; position: absolute; top: 0; left: 0; height: var(--tube); border-radius: 3px; }
.stops::before { right: 0; background: var(--zinc); }
.stops::after { width: calc(var(--p) * 100%); background: var(--brass); transition: width .15s linear; }
.stop { position: relative; margin-top: 34px; padding: 30px 24px 22px; }
.stop::before { content: ""; position: absolute; left: 30px; top: -28px; width: var(--tube); height: 28px; background: var(--zinc); }
.stop.is-reached::before { background: var(--brass); }
.stop__dot { position: absolute; right: 24px; top: 34px; width: 12px; height: 12px; border-radius: 50%; background: var(--lamp-off); transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.stop.is-reached .stop__dot { background: var(--lamp-on); box-shadow: 0 0 0 3px rgba(255,178,92,.25); }
.stop h3 { margin-bottom: 10px; }
.stop p { color: var(--ink-2); margin: 0; }

/* ---------- standard ---------- */
.standard__grid { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 32px clamp(40px, 6vw, 96px); align-items: center; }
.standard__copy h2 { margin-bottom: 26px; }
.standard__text { font: 500 clamp(1.35rem, 2.2vw, 1.85rem)/1.35 var(--text); color: var(--ink); max-width: 34ch; margin: 0; }
.portrait { margin: 0; padding: 26px 26px 22px; }
.portrait img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 2px; filter: grayscale(1) contrast(1.05); }
.portrait figcaption { margin-top: 16px; font: 600 1.3rem/1.15 var(--display); color: var(--ink); }

/* ---------- contact: the dispatch slip ---------- */
.dispatch__grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px clamp(40px, 6vw, 88px); align-items: start; }
.dispatch__intro h2 { margin-bottom: 22px; }
.dispatch__intro p { font-size: 1.12rem; }
.dispatch__proof { display: flex; gap: 12px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--green-3); border-bottom: 1px solid var(--green-3); }
.dispatch__proof .lamp { transform: translateY(1px); }

.dispatch__alt { margin: 22px 0 0; display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 6px 24px; }
.dispatch__alt p { margin: 0; color: var(--on-green-2); }
.dispatch__label { font: 600 1.6rem/1.2 var(--display); justify-self: start; }
.dispatch__phone { justify-self: center; font: 600 1.6rem/1.2 var(--display); }
.dispatch__phone a { font-size: 1.9rem; color: #fff; text-decoration: none; }
.dispatch__email { font-size: 1rem; justify-self: end; white-space: nowrap; }
.dispatch__alt a { display: inline-flex; align-items: center; min-height: 44px; }
.dispatch__email a { color: var(--on-green); text-decoration: underline; text-underline-offset: .25em; }
.dispatch__alt a:hover { color: var(--brass-light); }
.slip { padding: clamp(28px, 3.4vw, 48px); padding-top: clamp(40px, 4vw, 56px); color: var(--ink); display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.slip p { color: var(--ink-2); }
.slip.plate { box-shadow: 0 3px 8px rgba(0,0,0,.35), 0 28px 56px -18px rgba(0,0,0,.75); }
/* brass frame inside the slip like an enamel sign (variant B, 2026-10-12).
   Variant A, a thin brass line on the outer edge: add 0 0 0 1.5px var(--brass) as first box-shadow above and drop the outline. */
.slip.plate { outline: 1.5px solid var(--brass); outline-offset: -12px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--w, .field--s { grid-column: 1 / -1; }
.field--s select { max-width: 240px; }
.field label { font-weight: 600; font-size: .95rem; }
.field label small { font-weight: 400; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; border-radius: var(--radius);
  font: 400 1.05rem/1.4 var(--text); color: var(--ink); background: #fff;
  border: 1.5px solid #a6aeb1; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--zinc-dark); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green-3); box-shadow: 0 0 0 3px rgba(176,138,78,.35); }
.field [aria-invalid="true"] { border-color: #b3261e; box-shadow: 0 0 0 3px rgba(179,38,30,.15); }
.field__hint { font-size: .9rem; margin: 0; color: var(--ink-2); }
.field__err { font-size: .92rem; font-weight: 600; color: #b3261e !important; margin: 0; }
.field__err:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.slip__send { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; margin-top: 6px; }
.slip__privacy { font-size: .9rem; margin: 0; flex: 1 1 260px; }
.slip__privacy a { color: var(--green-3); font-weight: 600; }
.slip__status { margin: 0; font-weight: 600; min-height: 1.5em; }
.slip__status.is-ok { color: var(--green-3) !important; }
.slip__status.is-err { color: #b3261e !important; }

/* ---------- footer ---------- */
.foot { background: #0e1f25; color: var(--on-green-2); padding: 34px 0 40px; font-size: .95rem; }
.foot__in { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; align-items: center; }
.foot p { margin: 0; }
.foot__links { display: flex; gap: 6px 22px; flex-wrap: wrap; }
.foot a { display: inline-flex; align-items: center; min-height: 44px; color: var(--on-green); text-decoration: none; }
.foot a:hover { color: var(--brass-light); text-decoration: underline; }
.foot a.foot__tel { color: inherit; min-height: 0; display: inline; }

/* ---------- legal pages ---------- */
.legal__main { padding-top: 130px; }
.legal__main::before, .legal__main::after { display: none; }
.legal__body { max-width: 820px; padding: clamp(36px, 5vw, 64px); }
.legal__body h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 28px; }
.legal__body h2 { font-size: 1.6rem; margin: 32px 0 10px; }
.legal__body p { color: var(--ink-2); }
.legal__body a { color: var(--green-3); font-weight: 600; }

/* ---------- reveal (content is visible by default) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .rv { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
  .js .rv.is-in { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
/* menu for tablets and phones */
.menu-btn, .mnav { display: none; }
.menu-btn {
  align-items: center; justify-content: center; width: 46px; height: 44px; padding: 0; border-radius: var(--radius);
  background: transparent; color: var(--on-green); border: 1.5px solid var(--green-3); font: 600 .97rem/1 var(--text); cursor: pointer;
}
.menu-btn:hover { border-color: var(--brass-light); }
.menu-btn__bars, .menu-btn__bars::before, .menu-btn__bars::after { display: block; width: 20px; height: 2px; border-radius: 1px; background: currentColor; transition: transform .25s var(--ease), opacity .2s; }
.menu-btn__bars { position: relative; }
.menu-btn__bars::before, .menu-btn__bars::after { content: ""; position: absolute; left: 0; }
.menu-btn__bars::before { top: -6px; } .menu-btn__bars::after { top: 6px; }
.menu-btn[aria-expanded="true"] .menu-btn__bars { background: transparent; }
.menu-btn[aria-expanded="true"] .menu-btn__bars::before { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bars::after { transform: translateY(-6px) rotate(-45deg); }
.mnav { flex-direction: column; padding: 8px var(--gutter) 20px; background: var(--green); border-top: 1px solid var(--green-3); box-shadow: 0 18px 30px -18px rgba(0,0,0,.6); }
.mnav a { display: flex; align-items: center; min-height: 52px; padding: 0 4px; color: var(--on-green); text-decoration: none; font: 600 1.35rem/1.1 var(--display); border-bottom: 1px solid var(--green-3); }
.mnav a:hover { color: var(--brass-light); }
.mnav__lang { display: none; }
.mnav .mnav__cta { margin-top: 14px; justify-content: center; border: 0; border-radius: var(--radius); background: var(--signal); color: var(--ink); font: 600 1.05rem/1 var(--text); }
@media (max-width: 1060px) {
  .nav { display: none; }
  .top__end { margin-left: auto; }
  .has-menu .menu-btn { display: inline-flex; }
  .has-menu .mnav:not([hidden]) { display: flex; }
  .top.is-open { background: var(--green); }
}
@media (max-width: 900px) {
  .frag__grid { grid-template-areas: "text" "fig" "pattern"; }
  .standard__grid .portrait { max-width: 300px; }
  .frag__grid, .shift__grid, .check__grid, .services__grid, .standard__grid, .dispatch__grid, .console__head, .directory__head, .console__body { grid-template-columns: 1fr; }
  .islands { position: static; grid-row: auto; }
  .services__aside { position: static; }
  .board__row { grid-template-columns: 14px 1fr; gap: 6px 16px; }
  .board__row span:not(.lamp) { grid-column: 2; }
  .board__row i { grid-column: 2; }
  .stops { grid-template-columns: 1fr; gap: 14px; padding-left: 40px; }
  .stops::before, .stops::after { top: 0; bottom: 0; left: 12px; width: var(--tube); height: auto; right: auto; }
  .stops::after { height: calc(var(--p) * 100%); bottom: auto; }
  .stop { margin-top: 0; }
  .standard__grid .portrait { margin-left: 40px; }
  .stop::before { left: -22px; top: 34px; width: 22px; height: var(--tube); }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .brand__word { display: flex; flex-direction: column; gap: 4px; font-size: .95rem; letter-spacing: .14em; }
  .brand__word span { font-size: .62rem; letter-spacing: .42em; }
  .has-menu .top__cta, .has-menu .lang { display: none; }
  /* language sits in the menu on phones, set apart from the sections */
  .mnav__lang { display: flex; align-items: center; gap: 4px; margin-top: 22px; padding-top: 16px; border-top: 1px dashed var(--green-3); font: 500 .95rem/1 var(--text); color: var(--on-green-2); }
  .mnav .mnav__item { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border: 0; font: 500 .95rem/1 var(--text); color: var(--on-green-2); }
  .mnav .mnav__item:first-child { padding-left: 0; }
  .mnav .mnav__item + .mnav__item { border-left: 1px solid var(--green-3); }
  .mnav .mnav__item.is-cur { color: #fff; }
  .top__end { gap: 6px; }
  .brand__mark { width: 46px; }
  .top__in { gap: 12px; padding-top: 10px; padding-bottom: 10px; }
  .top .btn--sm { padding: 0 .8em; font-size: .9rem; }
  .lang__item.is-cur { display: none; }
  .lang__item + .lang__item { border-left: 0; }
  .lang__item { min-width: 40px; }
  .hero { padding-top: 104px; min-height: auto; }
  .hero h1 { font-size: clamp(2.6rem, 12vw, 3.4rem); }
  .hero__ctas { display: none; }
  /* the thread gets its own lane on phones */
  :root { --thread-x: 8px; }
  .sec .wrap, .hero__copy, .run { padding-left: 32px; }
  .run::before { left: var(--thread-x); width: calc(32px - var(--thread-x)); }
  /* the run turns vertical on phones */
  .run { grid-template-columns: 1fr; row-gap: 22px; margin-top: 36px; }
  .run::before { top: 38px; }
  .inlet { grid-column: 1; grid-row: 1; margin: 0; justify-self: stretch; }
  .run__stations { grid-column: 1; grid-row: 2; margin: 0; padding-right: 44px; grid-template-columns: 1fr; gap: 8px; }
  .run__stations li { padding: 9px 12px; }
  .run__stations li.is-hit { transform: translateX(-3px); }
  .run__stations b { font-size: 1.15rem; }
  .console__plan { aspect-ratio: auto; }
  .plan { display: none; }
  .hub { position: static; width: auto; height: 56px; justify-content: flex-start; padding: 0 16px; margin-bottom: 18px; font-size: 1.15rem; }
  .dests { position: relative; display: grid; grid-template-columns: 1fr; gap: 10px; padding-left: 40px; }
  .dests::before { content: ""; position: absolute; left: 14px; top: -18px; bottom: 26px; width: var(--tube); background: var(--zinc); }
  .dest { position: relative; inset: auto; width: auto; height: auto; min-height: 52px; font-size: 1rem; }
  .dest::before { content: ""; position: absolute; left: -27px; top: 50%; width: 26px; height: var(--tube); margin-top: -3px; background: var(--zinc); }
  .dest[aria-selected="true"]::before { background: var(--brass-light); }
  .dests__dot { position: absolute; left: 0; top: 0; z-index: 2; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 3px var(--green); pointer-events: none; }
  .dests__pulse { position: absolute; left: 14px; z-index: 1; width: 6px; height: 6px; margin-left: 0; border-radius: 50%; background: var(--lamp-on); pointer-events: none; }
  @media (prefers-reduced-motion: no-preference) {
    .dests__dot, .dests__pulse { display: block; }
    .dests__dot { opacity: 0; }
    .dests__pulse { animation: rise 2.7s linear infinite; }
  }
  @keyframes rise { /* information flows up the line into the hub */
    0% { top: calc(100% - 30px); opacity: 0; } 12% { opacity: .85; } 88% { opacity: .85; } 100% { top: -14px; opacity: 0; }
  }
  .stops { grid-template-columns: 1fr; }
  .standard__grid .portrait { max-width: none; }
  .slip { grid-template-columns: 1fr; }
  .services__list { grid-template-columns: 1fr; }
  .dispatch__alt { grid-template-columns: 1fr; justify-items: start; }
  .dispatch__label, .dispatch__phone, .dispatch__email { justify-self: start; }
  .foot__in { flex-direction: column; align-items: flex-start; }
}