/* THALWEG — site v2 (2026-09-27).
   Chart navy and footage for the hero, the globe, the page heads, the close and the footer; white
   for the product screens; buff and paper for reading.
   Sounding blues for data, one magenta sounding per screen. Square corners; only devices are rounded. */

:root {
  --navy:       #0B2545;
  --navy-deep:  #081B33;
  --navy-lift:  #123159;
  --buff:       #EAE2CE;
  --buff-deep:  #E0D7BF;
  --paper:      #F6F2E9;
  --white:      #FFFFFF;
  --sonda:      #2E7FB5;
  --sonda-ink:  #1F6493;
  --sonda-lit:  #7FB4DA;
  --magenta:    #B5216B;

  --ink:        var(--navy);
  --ink-2:      #3E5068;   /* secondary text on buff and paper, 6:1 */
  --ink-3:      #4A5B71;   /* captions on buff and paper, 5.3:1 */
  --on-navy:    var(--buff);
  --on-navy-2:  #B3BDC9;   /* secondary text on navy, 7:1 */
  --on-navy-3:  #97A3B2;   /* captions on navy, 5:1 */
  --rule-light: rgba(11, 37, 69, 0.16);
  --rule-dark:  rgba(234, 226, 206, 0.14);

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --sans:    "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --gutter:   clamp(16px, 4vw, 48px);
  --maxw:     1320px;
  --header-h: 72px;
}

/* ------------------------------------------------------------------ base */

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

html {
  -webkit-text-size-adjust: 100%;
  background: var(--navy-deep);
  scroll-padding-top: var(--header-h);
  scrollbar-color: #3D5878 var(--navy-deep);
  caret-color: var(--sonda);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

img, svg, canvas { display: block; }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }

::selection { background: var(--sonda-lit); color: var(--navy-deep); }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: #3D5878; border: 3px solid var(--navy-deep); }
::-webkit-scrollbar-thumb:hover { background: #56769C; }

:focus-visible { outline: 2px solid var(--sonda); outline-offset: 3px; }
.site-header :focus-visible,
.hero :focus-visible,
.band--navy :focus-visible,
.site-footer :focus-visible { outline-color: var(--sonda-lit); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--buff); color: var(--navy);
  padding: 10px 14px; font-weight: 600; text-decoration: none;
}
.skip:focus { left: var(--gutter); top: 10px; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left)) max(var(--gutter), env(safe-area-inset-right));
}

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

.display {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 12em;
  text-wrap: balance;
}
.display span { display: block; }
.display .hl { color: var(--sonda-lit); }

.headline {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(30px, 3.5vw, 50px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.lede {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.58;
  max-width: 36em;
  text-wrap: pretty;
}

.caption {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

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

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  font: 600 15px/1 var(--sans); letter-spacing: 0.005em;
  text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; border-radius: 0; cursor: pointer;
  transition: background-color 180ms var(--ease-out), color 180ms var(--ease-out),
              border-color 180ms var(--ease-out), transform 140ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.arrow { width: 15px; height: 10px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; transition: transform 220ms var(--ease-out); }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: 14px; }

.btn--light       { background: var(--buff); color: var(--navy); }
.btn--ghost-light { color: var(--buff); border-color: rgba(234, 226, 206, 0.42); }
.btn--dark        { background: var(--navy); color: var(--buff); }
.btn--ghost-dark  { color: var(--navy); border-color: rgba(11, 37, 69, 0.34); }

@media (hover: hover) {
  .btn:hover .arrow { transform: translateX(3px); }
  .btn--light:hover       { background: var(--paper); }
  .btn--ghost-light:hover { border-color: var(--buff); background: rgba(234, 226, 206, 0.07); }
  .btn--dark:hover        { background: var(--navy-lift); }
  .btn--ghost-dark:hover  { border-color: var(--navy); background: rgba(11, 37, 69, 0.04); }
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.actions--center { justify-content: center; }

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

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  color: var(--buff);
  transition: background-color 260ms var(--ease-out), box-shadow 260ms var(--ease-out);
}
/* Over the hero the bar is deep navy with a trace of the footage moving under it,
   blurred; the links never sit on bare terrain. */
.site-header::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: rgba(8, 27, 51, 0.9);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  box-shadow: 0 1px 0 rgba(234, 226, 206, 0.08);
  transition: opacity 260ms var(--ease-out);
}
.site-header.is-solid,
.site-header.is-open { background: var(--navy); box-shadow: 0 1px 0 var(--rule-dark); }
.site-header.is-solid::before,
.site-header.is-open::before { opacity: 0; }

.header-row { position: relative; display: flex; align-items: center; gap: 28px; height: var(--header-h); }

.brand { display: block; flex: none; width: 132px; }
.brand svg { width: 100%; height: auto; }
.logo-text { fill: var(--buff); }
.logo-profile { fill: none; stroke: var(--buff); stroke-width: 3.2; stroke-linecap: round; }
.logo-dot { fill: var(--sonda-lit); }

.site-nav { display: flex; gap: 24px; margin-left: 12px; margin-right: auto; }
.site-nav a {
  position: relative; padding: 8px 0;
  font: 500 15px/1 var(--sans); text-decoration: none;
  color: rgba(234, 226, 206, 0.8);
  transition: color 160ms var(--ease-out);
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--sonda-lit);
  transform: scaleX(0); transform-origin: left;
  transition: transform 240ms var(--ease-out);
}
.site-nav a[aria-current="page"] { color: var(--buff); }
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
@media (hover: hover) {
  .site-nav a:hover { color: var(--buff); }
  .site-nav a:hover::after { transform: scaleX(1); }
}

.header-actions { display: flex; align-items: center; gap: 18px; }
.lang {
  background: none; border: 0; padding: 8px 2px; cursor: pointer;
  font: 500 14px/1 var(--sans); color: rgba(234, 226, 206, 0.8);
  transition: color 160ms var(--ease-out);
}
@media (hover: hover) { .lang:hover { color: var(--buff); } }

.menu-toggle { display: none; }

/* six links, the language and the demo button fit from 1000 px; below that, the menu */
@media (max-width: 999px) {
  .header-row { gap: 12px; }
  .brand { width: 118px; margin-right: auto; }
  .menu-toggle {
    display: inline-flex; align-items: center; gap: 10px;
    min-height: 40px; padding: 0 12px;
    background: none; border: 1px solid rgba(234, 226, 206, 0.36); color: var(--buff);
    font: 500 14px/1 var(--sans); cursor: pointer;
  }
  .menu-toggle svg { width: 16px; height: 10px; fill: none; stroke: currentColor; stroke-width: 1.5; }
  .site-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0; margin: 0;
    padding: 4px var(--gutter) 20px;
    background: var(--navy);
    box-shadow: 0 1px 0 var(--rule-dark), 0 28px 40px -16px rgba(8, 27, 51, 0.7);
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path 260ms var(--ease-out), visibility 0s linear 260ms;
  }
  .site-header.is-open .site-nav {
    clip-path: inset(0 0 0 0); visibility: visible;
    transition: clip-path 320ms var(--ease-out), visibility 0s;
  }
  .site-nav a { padding: 16px 0; font-size: 18px; border-bottom: 1px solid var(--rule-dark); }
  .site-nav a::after { display: none; }
}
@media (max-width: 599px) {
  .header-demo { display: none; }
  .header-actions { gap: 10px; }
}

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

.hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  min-height: 640px;
  min-height: min(100vh, 920px);
  min-height: min(100svh, 920px);
  background: var(--navy-deep);
  color: var(--buff);
}
/* The footage runs under the text; the navy layer keeps the headline readable over any frame. */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8, 27, 51, 0) 76%, rgba(8, 27, 51, 0.62) 100%),
    linear-gradient(90deg, rgba(8, 27, 51, 0.84) 0%, rgba(8, 27, 51, 0.7) 36%, rgba(8, 27, 51, 0.58) 50%, rgba(8, 27, 51, 0) 74%);
}
.hero-copy { padding-top: calc(var(--header-h) + 48px); padding-bottom: 104px; }
.hero .lede { margin-top: 26px; max-width: 32em; color: var(--on-navy-2); }
.hero .footage-foot { position: absolute; left: 0; right: 0; bottom: 16px; }
.hero-sentinel { position: absolute; left: 0; right: 0; bottom: 0; height: 1px; pointer-events: none; }

/* Phones and tablets: the text on deep navy, then the footage as a band of its own, rising
   out of the navy, with its caption under it. Phones get the upright cut of the clip. */
@media (max-width: 899px) {
  .hero { justify-content: flex-start; min-height: 0; }
  .hero::before { display: none; }
  .hero-copy { order: 1; padding-top: calc(var(--header-h) + 36px); padding-bottom: 12px; }
  .hero .footage {
    --focus: 50% 75%;
    position: relative; order: 2; inset: auto; z-index: 0;
    height: clamp(400px, 150vw, 640px);
    -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 120px);
    mask-image: linear-gradient(180deg, transparent 0, #000 120px);
  }
  .hero .footage-foot { position: relative; order: 3; bottom: auto; padding-top: 12px; padding-bottom: 20px; }
  .hero .lede { margin-top: 20px; }
  .actions { margin-top: 28px; }
}

/* ------------------------------------------------------------ footage
   Generated clips: under the home hero, the inner page heroes and the home close, and in one
   block in place of a drawing. The still is the clip's first frame, so what shows before the
   clip loads, with motion reduced or with no script is the picture it starts from. site.js loads
   a clip only when it is on screen; one switch pauses them all. */

.footage { position: absolute; inset: 0; z-index: -2; overflow: hidden; background: var(--navy-deep); }
.footage picture { display: contents; }
.footage-still,
.footage-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--focus, 50% 50%); }
.footage-video { opacity: 0; transition: opacity 700ms var(--ease-out); }
.footage-video.is-playing { opacity: 1; }
.footage-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
/* over moving pictures the caption takes the secondary text colour, one step up from captions on navy */
.footage-note { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--on-navy-2); }
.footage-pause {
  display: inline-grid; place-items: center; flex: none; width: 40px; height: 40px; padding: 0;
  background: rgba(8, 27, 51, 0.4); border: 1px solid rgba(234, 226, 206, 0.36); border-radius: 0;
  color: var(--buff); cursor: pointer;
  transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out), transform 140ms var(--ease-out);
}
.footage-pause[hidden] { display: none; }
.footage-pause:active { transform: scale(0.94); }
.footage-pause:focus-visible { outline-color: var(--sonda-lit); }
.footage-pause svg { width: 12px; height: 12px; fill: currentColor; }
.footage-pause .i-play,
.footage-pause[aria-pressed="true"] .i-pause { display: none; }
.footage-pause[aria-pressed="true"] .i-play { display: block; }
@media (hover: hover) { .footage-pause:hover { border-color: var(--buff); background: rgba(8, 27, 51, 0.62); } }

/* in a line block: the same 3:2 plate as the drawings, the switch on the picture, the note under it */
.footage-plate { margin: 0; }
.footage-frame { position: relative; isolation: isolate; aspect-ratio: 3 / 2; overflow: hidden; background: var(--navy-deep); }
.footage-frame .footage-pause { position: absolute; right: 12px; bottom: 12px; }
.footage-plate figcaption { margin-top: 12px; color: var(--ink-3); }

/* ------------------------------------------------------------- bands */

.band { position: relative; }
.band--navy  { background: var(--navy); color: var(--buff); }
.band--buff  { background: var(--buff); color: var(--ink); }
.band--paper { background: var(--paper); color: var(--ink); }
.band--white { background: var(--white); color: var(--ink); }

/* globe */

.globe-band { padding-block: clamp(88px, 11vw, 160px); overflow: hidden; }
.globe-grid {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 80px); align-items: center;
}
.globe-copy .lede { margin-top: 24px; color: var(--ink-2); }

.facts { margin-top: 48px; border-top: 1px solid var(--rule-light); }
.fact {
  display: grid; grid-template-columns: minmax(0, 9.5em) minmax(0, 1fr); gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--rule-light);
}
.fact dt { font-family: var(--display); font-weight: 600; font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; color: var(--ink); }
.fact dd { color: var(--ink-2); font-size: 15.5px; line-height: 1.5; }

.globe-stage { position: relative; width: 100%; max-width: 640px; justify-self: center; aspect-ratio: 1; }
.globe-canvas { width: 100%; height: 100%; opacity: 0; transition: opacity 1400ms var(--ease-out); }
.globe-canvas.is-ready { opacity: 1; }
.globe-stage .caption { position: absolute; left: 0; bottom: -6px; color: var(--ink-3); }
/* a still globe until the live one is ready: without JavaScript, or if WebGL or the library fail */
.globe-stage::before {
  content: ""; position: absolute; inset: 7%; border-radius: 50%;
  background: radial-gradient(circle at 36% 32%, #F4F7FA 0%, #E3EAF1 55%, #CCD7E2 100%);
  box-shadow: inset 0 0 0 1px rgba(46, 127, 181, 0.2);
  transition: opacity 1400ms var(--ease-out);
}
.globe-stage.is-live::before { opacity: 0; }

/* On the home the globe runs over a clip as well, so the page goes from footage to footage with no
   seam: the hero darkens to deep navy at its foot and the globe band rises out of the same navy.
   The light globe stays light and sits on the dark water. */
.globe-band--footage { isolation: isolate; background: var(--navy-deep); color: var(--buff); }
.globe-band--footage::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, var(--navy-deep) 0, rgba(8, 27, 51, 0) 180px),
    linear-gradient(90deg, rgba(8, 27, 51, 0.86) 0%, rgba(8, 27, 51, 0.76) 40%, rgba(8, 27, 51, 0.42) 66%, rgba(8, 27, 51, 0.34) 100%);
}
.globe-band--footage .globe-copy .lede, .globe-band--footage .fact dd { color: var(--on-navy-2); }
.globe-band--footage .fact dt { color: var(--buff); }
.globe-band--footage .facts, .globe-band--footage .fact { border-color: var(--rule-dark); }
.globe-band--footage .globe-stage .caption { color: var(--on-navy-2); }
.globe-band--footage .footage-foot { position: absolute; left: 0; right: 0; bottom: 16px; }
.globe-band--footage :focus-visible { outline-color: var(--sonda-lit); }
.hero:has(+ .globe-band--footage)::before {
  background:
    linear-gradient(180deg, rgba(8, 27, 51, 0) 66%, rgba(8, 27, 51, 0.72) 88%, var(--navy-deep) 100%),
    linear-gradient(90deg, rgba(8, 27, 51, 0.84) 0%, rgba(8, 27, 51, 0.7) 36%, rgba(8, 27, 51, 0.58) 50%, rgba(8, 27, 51, 0) 74%);
}

@media (max-width: 899px) {
  .globe-grid { grid-template-columns: minmax(0, 1fr); }
  .globe-stage { max-width: 520px; }
  .globe-band--footage { padding-bottom: clamp(96px, 16vw, 128px); }
  .globe-band--footage .footage { --focus: 70% 50%; }  /* keep the moonlight under the globe */
  .globe-band--footage::before { background: linear-gradient(180deg, var(--navy-deep) 0, rgba(8, 27, 51, 0.8) 180px, rgba(8, 27, 51, 0.5) 100%); }
}
@media (max-width: 599px) {
  .fact { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}

/* product */

.product-band { padding-block: clamp(88px, 10vw, 150px) clamp(64px, 7vw, 104px); overflow: hidden; }
/* A white globe band followed by the white product band (not used on any page since 27-sep-2026):
   close the gap and let a hairline mark the turn. */
.globe-band.band--white:has(+ .product-band) { padding-bottom: clamp(64px, 8vw, 112px); }
.globe-band.band--white + .product-band { padding-top: 0; }
.globe-band.band--white + .product-band > .container:first-child { padding-top: clamp(72px, 8vw, 120px); border-top: 1px solid var(--rule-light); }
.product-head { max-width: 840px; margin: 0 auto; text-align: center; }
.product-head .lede { margin: 22px auto 0; color: var(--ink-2); }

.devices {
  position: relative; max-width: 1120px;
  margin: clamp(48px, 6vw, 84px) auto 0;
  padding-right: clamp(28px, 7%, 88px);
}

.laptop-lid {
  container-type: inline-size;
  padding: 1.5% 1.5% 1.7%;
  background: #0A1628;
  border-radius: 14px 14px 0 0;
  box-shadow:
    inset 0 0 0 1px rgba(234, 226, 206, 0.07),
    0 44px 80px -34px rgba(11, 37, 69, 0.5),
    0 18px 30px -20px rgba(11, 37, 69, 0.36);
}
.laptop-base {
  position: relative; height: clamp(9px, 1.4vw, 17px); margin: 0 -5.5%;
  background: linear-gradient(180deg, #D9D0BA 0%, #C3B9A1 70%, #A99F87 100%);
  border-radius: 0 0 14px 14px / 0 0 12px 12px;
  box-shadow: 0 24px 36px -18px rgba(11, 37, 69, 0.5);
}
.laptop-base::before {
  content: ""; position: absolute; left: 50%; top: 0; width: 13%; height: 42%;
  transform: translateX(-50%);
  background: rgba(11, 37, 69, 0.16); border-radius: 0 0 8px 8px;
}

/* the VigIA screen: sized in em from the lid width, so it scales as one picture */
.ui {
  aspect-ratio: 16 / 10; overflow: hidden;
  display: grid; grid-template-rows: auto minmax(0, 1fr);
  font-size: 1.08cqi; line-height: 1.35;
  background: var(--navy-deep); color: var(--buff);
}
.ui-top {
  display: flex; align-items: center; gap: 2.2em;
  height: 3.6em; padding: 0 1.4em;
  background: var(--navy); border-bottom: 1px solid var(--rule-dark);
}
.ui-brand { font-family: var(--display); font-weight: 700; font-size: 1.2em; letter-spacing: -0.01em; }
.ui-tabs { display: flex; gap: 0.3em; margin-right: auto; }
.ui-tabs b, .ui-tabs i { font-style: normal; font-weight: 500; padding: 0.5em 0.9em; color: rgba(234, 226, 206, 0.6); }
.ui-tabs b { color: var(--buff); background: rgba(127, 180, 218, 0.14); box-shadow: inset 0 -2px 0 var(--sonda-lit); }
.ui-badge {
  font-family: var(--mono); font-size: 0.8em; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--sonda-lit); border: 1px solid rgba(127, 180, 218, 0.42); padding: 0.35em 0.7em;
}
.ui-body { display: grid; grid-template-columns: 19% minmax(0, 1fr) 24%; min-height: 0; }
.ui-h {
  margin: 0 0 0.8em; padding: 0 1.25em;
  font-family: var(--mono); font-size: 0.78em; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(234, 226, 206, 0.55);
}
.ui-side { padding: 1.3em 0; background: var(--navy); border-right: 1px solid var(--rule-dark); }
.ui-side ul { list-style: none; margin: 0; padding: 0; }
.ui-side li { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 0.7em; row-gap: 0.1em; padding: 0.75em 1.25em; }
.ui-side li.is-sel { background: rgba(127, 180, 218, 0.12); }
.ui-side li b { font-weight: 600; }
.ui-side li span { grid-column: 2; font-size: 0.86em; color: rgba(234, 226, 206, 0.58); }
.sq { display: inline-block; width: 0.62em; height: 0.62em; align-self: center; background: rgba(234, 226, 206, 0.32); }
.sq--live { background: var(--sonda-lit); }
.ui-map { position: relative; min-height: 0; }
.ui-map canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.ui-panel { padding: 1.3em 0; overflow: hidden; background: var(--navy); border-left: 1px solid var(--rule-dark); }
.ui-panel > .ui-h:first-child { font-family: var(--display); font-weight: 600; font-size: 1.2em; letter-spacing: -0.01em; text-transform: none; color: var(--buff); }
.ui-panel dl { margin: 0 0 1.5em; padding: 0 1.25em; }
.ui-panel dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 0.8em; padding: 0.55em 0; border-bottom: 1px solid rgba(234, 226, 206, 0.08); }
.ui-panel dt { font-size: 0.88em; color: rgba(234, 226, 206, 0.58); white-space: nowrap; }
.ui-panel dd { font-family: var(--mono); font-size: 0.86em; text-align: right; font-variant-numeric: tabular-nums; }
.ui-alerts { list-style: none; margin: 0; padding: 0 1.25em; }
.ui-alerts li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.8em; padding: 0.5em 0; font-size: 0.88em; border-bottom: 1px solid rgba(234, 226, 206, 0.08); }
.ui-alerts time { font-family: var(--mono); color: var(--sonda-lit); font-variant-numeric: tabular-nums; }

/* the phone */
.phone {
  position: absolute; right: 0; bottom: -5%;
  width: clamp(96px, 22%, 232px); aspect-ratio: 9 / 19.5;
  padding: clamp(4px, 0.7vw, 8px);
  background: #0A1628;
  border-radius: clamp(16px, 2.8vw, 34px);
  box-shadow:
    inset 0 0 0 1px rgba(234, 226, 206, 0.09),
    0 50px 80px -30px rgba(11, 37, 69, 0.6),
    0 20px 30px -18px rgba(11, 37, 69, 0.42);
}
.phone-screen {
  position: relative; container-type: inline-size;
  display: flex; flex-direction: column; height: 100%; overflow: hidden;
  border-radius: clamp(12px, 2.3vw, 27px);
  background: var(--navy-deep); color: var(--buff);
}
.phone-screen::before {
  content: ""; position: absolute; top: 3.2%; left: 50%; z-index: 2;
  width: 30%; height: 3.4%; transform: translateX(-50%);
  background: #05101F; border-radius: 99px;
}
.pui-top, .pui-card { font-size: 5cqi; line-height: 1.35; }
.pui-top { display: flex; align-items: center; justify-content: space-between; gap: 0.6em; padding: 3em 1.1em 0.8em; background: var(--navy); }
.pui-top .ui-badge { font-size: 0.72em; padding: 0.3em 0.55em; }
.pui-map { position: relative; flex: 1; min-height: 0; }
.pui-map canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.pui-card { padding: 1em 1.1em 1.4em; background: var(--navy); border-top: 1px solid var(--rule-dark); }
.pui-card p { margin: 0; }
.pui-name { display: flex; align-items: center; gap: 0.55em; margin-bottom: 0.7em !important; }
.pui-name b { font-weight: 600; }
.pui-name span { margin-left: auto; font-size: 0.84em; color: var(--sonda-lit); }
.pui-line { display: flex; justify-content: space-between; gap: 0.6em; padding: 0.3em 0; font-size: 0.88em; color: rgba(234, 226, 206, 0.62); }
.pui-line b { font-family: var(--mono); font-weight: 500; color: var(--buff); text-align: right; }
.pui-btn { display: block; margin-top: 1em; padding: 0.75em; text-align: center; font-weight: 600; font-size: 0.9em; background: var(--buff); color: var(--navy); }

.product-foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px;
  margin-top: clamp(56px, 6vw, 80px); padding-top: 24px;
  border-top: 1px solid var(--rule-light);
}
.product-foot .caption { color: var(--ink-3); }

/* close */

.close-band { padding-block: clamp(88px, 10vw, 150px); text-align: center; }
.close-inner { max-width: 900px; }
.close-inner .lede { margin: 22px auto 0; color: var(--ink-2); }
/* two paper bands never run together: after one, the close band turns buff */
.band--paper + .close-band { background: var(--buff); }
/* the home closes over open sea: navy, the text centred on an even veil */
.close-band.close-band--footage {
  isolation: isolate; overflow: hidden;
  padding-block: clamp(128px, 14vw, 208px);
  background: var(--navy-deep); color: var(--buff);
}
.close-band--footage::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 70% at 50% 50%, rgba(8, 27, 51, 0.62), rgba(8, 27, 51, 0) 100%),
    rgba(8, 27, 51, 0.5);
}
.close-band--footage .lede { color: var(--on-navy-2); }
.close-band--footage :focus-visible { outline-color: var(--sonda-lit); }
.close-band--footage .footage-foot { position: absolute; left: 0; right: 0; bottom: 16px; text-align: left; }

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

.site-footer { background: var(--navy); color: var(--buff); padding-top: clamp(64px, 7vw, 96px); }
.footer-grid {
  display: grid; grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(0, 1fr));
  gap: 40px 32px; padding-bottom: 56px;
}
.seal { width: 220px; height: auto; }
.seal .logo-dot { fill: var(--magenta); }
.seal .descriptor-svg { fill: var(--buff); }
.footer-brand .tagline { margin: 18px 0 24px; font-size: 15px; color: var(--on-navy-2); }
.footer-col h2 { margin: 0 0 14px; font: 600 15px/1.3 var(--display); color: var(--buff); }
.footer-col > a { display: block; width: fit-content; padding: 5px 0; font-size: 15px; text-decoration: none; color: var(--on-navy-2); transition: color 160ms var(--ease-out); }
.footer-col address { font-style: normal; font-size: 15px; line-height: 1.6; color: var(--on-navy-2); }
.footer-col address span { display: block; margin-bottom: 8px; }
.footer-col address a { color: var(--buff); }
@media (hover: hover) {
  .footer-col > a:hover { color: var(--buff); text-decoration: underline; }
}
.footer-legal {
  display: flex; flex-wrap: wrap; gap: 8px 28px;
  padding-block: 22px 28px; border-top: 1px solid var(--rule-dark);
  font-family: var(--mono); font-size: 12px; line-height: 1.5; letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums; color: var(--on-navy-3);
}

@media (max-width: 899px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 479px) {
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
}

/* ------------------------------------------------------- inner page hero
   Navy with the chart graticule. Its lower edge is a channel cross-section in the colour
   of the band that follows, with the magenta sounding at the deepest point. */

.page-hero {
  --bed: var(--buff);
  position: relative; isolation: isolate; overflow: hidden;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(127, 180, 218, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 180, 218, 0.06) 1px, transparent 1px);
  background-size: 160px 160px;
  background-position: -1px -1px;
  color: var(--buff);
}
.page-hero--to-paper { --bed: var(--paper); }
.page-hero--to-white { --bed: var(--white); }
.page-hero-copy { padding-top: calc(var(--header-h) + clamp(56px, 7vw, 104px)); padding-bottom: clamp(28px, 4vw, 48px); }
.display--page { font-size: clamp(38px, 4.6vw, 66px); max-width: 14em; }
.page-hero .lede { margin-top: 22px; max-width: 34em; color: var(--on-navy-2); }
.page-hero--full { display: flex; flex-direction: column; min-height: min(100svh, 860px); }
.page-hero--full .page-hero-copy { margin-block: auto; }
.page-hero :focus-visible { outline-color: var(--sonda-lit); }

/* With a clip the header grows to show it: the text on the dark left, the clip's subject on the
   right, the note and the switch just above the riverbed, which rises over the picture. */
.page-hero--footage { display: flex; flex-direction: column; min-height: clamp(580px, 76svh, 800px); background: var(--navy-deep); }
/* The veil is set by measuring the text against every frame of the six clips (27-sep-2026): the
   bright paper of Company and the lit water of Equipment need more than the home hero. */
.page-hero--footage::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8, 27, 51, 0) 60%, rgba(8, 27, 51, 0.5) 100%),
    linear-gradient(90deg, rgba(8, 27, 51, 0.9) 0%, rgba(8, 27, 51, 0.82) 38%, rgba(8, 27, 51, 0.7) 54%, rgba(8, 27, 51, 0) 80%);
}
.page-hero--footage .footage-foot { margin-top: auto; }
.page-hero--footage .note-byline { color: var(--on-navy-2); }
@media (max-width: 899px) {
  .page-hero--footage { min-height: 0; }
  .page-hero--footage::before { display: none; }
  .page-hero--footage .page-hero-copy { order: 1; }
  .page-hero--footage .footage {
    position: relative; order: 2; inset: auto; z-index: 0;
    height: clamp(240px, 64vw, 460px);
    -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 88px);
    mask-image: linear-gradient(180deg, transparent 0, #000 88px);
  }
  .page-hero--footage .footage-foot { order: 3; margin-top: 0; padding-top: 12px; }
  .page-hero--footage .riverbed { order: 4; }
}

.riverbed { --h: clamp(72px, 9vw, 120px); position: relative; height: var(--h); }
.riverbed svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.riverbed-fill { fill: var(--bed); }
.riverbed-line { fill: none; stroke: var(--sonda-lit); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.riverbed-soundings { fill: none; stroke: rgba(127, 180, 218, 0.3); stroke-width: 1; stroke-dasharray: 2 5; vector-effect: non-scaling-stroke; }
.riverbed-dot {
  position: absolute; left: 62.5%; bottom: calc(var(--h) * 16 / 120);
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--magenta); transform: translate(-50%, 50%);
}

/* ----------------------------------------------------------- section parts */

.lines-band, .notes-band, .equip-band, .record-band, .purpose-band,
.name-band, .how-band, .steps-band, .custom-band { padding-block: clamp(80px, 9vw, 136px); }
.product-band--page { padding-bottom: clamp(80px, 9vw, 136px); }

.section-head { max-width: 860px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .lede { margin-top: 20px; color: var(--ink-2); }
.band--navy .section-head .lede { color: var(--on-navy-2); }
.section-head--row { max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px 32px; }
.section-head--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; }
.section-head--split .lede { margin-top: 0; }

.subhead { font-family: var(--display); font-weight: 600; font-size: clamp(22px, 2vw, 28px); line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; }

/* alternating blocks: copy on one side, a line drawing on the other */
.line-block { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.line-block + .line-block { margin-top: clamp(64px, 8vw, 120px); }
.line-block--flip { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.line-block--flip .line-copy { order: 2; }
.line-copy > * + * { margin-top: 18px; }
.line-copy p { max-width: 34em; color: var(--ink-2); }
.band--navy .line-copy p { color: var(--on-navy-2); }
.line-copy .btn { margin-top: 30px; }

/* ------------------------------------------------------------ line drawings */

.illo-plate, .note-illo {
  position: relative; display: block; margin: 0; aspect-ratio: 3 / 2;
  color: var(--navy);
  background-color: var(--buff);
  background-image:
    linear-gradient(rgba(11, 37, 69, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 37, 69, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  border: 1px solid var(--rule-light);
}
.band--buff .illo-plate, .band--buff .note-illo { background-color: var(--paper); }
.illo-plate--dark {
  color: var(--buff);
  background-color: var(--navy-deep);
  background-image:
    linear-gradient(rgba(127, 180, 218, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 180, 218, 0.07) 1px, transparent 1px);
  border-color: var(--rule-dark);
}
.illo { position: absolute; inset: 5%; width: 90%; height: 90%; overflow: visible; }
.illo * { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.illo .a { stroke: var(--sonda); }
.illo .t { stroke-width: 2.4; }
.illo .d { stroke-dasharray: 4 5; }
.illo .g { stroke: rgba(11, 37, 69, 0.3); }
.illo .f { fill: var(--sonda); stroke: none; }
.illo .m { fill: var(--magenta); stroke: none; }
.illo .s { fill: rgba(11, 37, 69, 0.07); stroke: none; }
.illo-plate--dark .illo .a { stroke: var(--sonda-lit); }
.illo-plate--dark .illo .g { stroke: rgba(234, 226, 206, 0.3); }
.illo-plate--dark .illo .f { fill: var(--sonda-lit); }
.illo-plate--dark .illo .s { fill: rgba(127, 180, 218, 0.1); }

/* generated photographs take the drawings' frames: same 3:2 plate and rule, no chart grid */
.illo-plate--photo, .note-illo--photo { overflow: hidden; background-image: none; }
.illo-plate--photo img, .note-illo--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-plate { margin: 0; }
.photo-plate figcaption { margin-top: 12px; color: var(--ink-3); }
.photos-note { margin-top: clamp(28px, 3vw, 40px); color: var(--ink-3); }

/* ------------------------------------------------------------------- notes */

.note-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 40px); }
.note-link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.note-illo { transition: border-color 200ms var(--ease-out); }
.note-title { margin-top: 22px; font-family: var(--display); font-weight: 600; font-size: clamp(20px, 1.7vw, 24px); line-height: 1.2; letter-spacing: -0.012em; text-wrap: balance; }
.note-dek { margin-top: 10px; font-size: 16px; line-height: 1.55; color: var(--ink-2); }
.note-meta { margin-top: 14px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--ink-3); }
.note-more { display: inline-flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 18px; font-weight: 600; font-size: 15px; }
.note-link:focus-visible { outline-offset: 6px; }
@media (hover: hover) {
  .note-link:hover .note-illo { border-color: rgba(11, 37, 69, 0.5); }
  .note-link:hover .note-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
  .note-link:hover .arrow { transform: translateX(3px); }
}

/* ---------------------------------------------------------------- software */

.product-caption { margin-top: clamp(44px, 5vw, 64px); text-align: center; color: var(--ink-3); }
.module-grid { list-style: none; margin: clamp(48px, 6vw, 80px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
.module { padding-top: 22px; border-top: 1px solid var(--rule-light); }
.module-name { font-family: var(--display); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; }
.state {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--ink-3);
}
.state::before { content: ""; width: 8px; height: 8px; border: 1px solid currentColor; }
.state--live { color: var(--sonda-ink); }
.state--live::before { background: var(--sonda); border-color: var(--sonda); }
.module > p:last-child { margin-top: 12px; font-size: 16px; line-height: 1.55; color: var(--ink-2); }

.spec-rows { margin: clamp(48px, 6vw, 72px) 0 0; border-top: 1px solid var(--rule-light); }
.spec-row { display: grid; grid-template-columns: minmax(0, 16em) minmax(0, 1fr); gap: 32px; padding: 20px 0; border-bottom: 1px solid var(--rule-light); }
.spec-row dt { font-family: var(--display); font-weight: 600; font-size: 19px; line-height: 1.3; }
.spec-row dd { color: var(--ink-2); max-width: 44em; }

/* the steps of a phase plan or of a supply, on one line */
.timeline { position: relative; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.timeline--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: rgba(127, 180, 218, 0.45); }
.step { position: relative; padding-top: 40px; }
.step-mark { position: absolute; top: 0; left: 0; width: 15px; height: 15px; background: var(--navy); border: 1px solid var(--sonda-lit); }
.step.is-live .step-mark { background: var(--sonda-lit); }
.step h3 { font-family: var(--display); font-weight: 600; font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; color: var(--buff); }
.step-when { margin-top: 6px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--sonda-lit); }
.step > p:last-child { margin-top: 12px; max-width: 26em; font-size: 16px; line-height: 1.55; color: var(--on-navy-2); }
.steps-note {
  margin-top: clamp(40px, 5vw, 56px); max-width: 44em;
  font-family: var(--sans); font-size: 15.5px; line-height: 1.6; letter-spacing: 0; color: var(--on-navy-2);
}

/* --------------------------------------------------------------- equipment */

.equip-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(36px, 4vw, 56px) clamp(32px, 4vw, 56px); }
.equip { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 28px; align-items: center; }
.equip-copy p { margin-top: 10px; font-size: 16px; line-height: 1.55; color: var(--ink-2); }
/* the sixth place: for what the list does not name */
.equip--ask { display: flex; align-items: center; padding: clamp(24px, 3vw, 36px); border: 1px dashed rgba(11, 37, 69, 0.34); }
.equip--ask .btn { margin-top: 20px; }
@media (hover: hover) { .equip--ask .btn:hover .arrow { transform: translateX(3px); } }

/* ----------------------------------------------------------------- company */

.record { margin: 0; border-top: 1px solid var(--rule-light); }
.record-row { display: grid; grid-template-columns: minmax(0, 14em) minmax(0, 1fr); gap: 32px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--rule-light); }
.record-row dt { font-size: 15px; color: var(--ink-3); }
.record-row dd { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 24px; }
.record-row b { font-family: var(--display); font-weight: 600; font-size: clamp(20px, 1.8vw, 26px); letter-spacing: -0.01em; }
.record-row b.num { font-family: var(--mono); font-weight: 500; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.record-row b a { color: inherit; }
.record-row span { font-size: 16px; color: var(--ink-2); }

.purpose-grid, .how-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 32px clamp(40px, 6vw, 88px); align-items: start; }
.purpose-grid .headline { grid-row: span 2; }
.quote p { font-family: var(--display); font-weight: 500; font-size: clamp(22px, 2.2vw, 31px); line-height: 1.32; letter-spacing: -0.012em; text-wrap: pretty; }
.quote blockquote { margin: 0; }
.quote figcaption { margin-top: 18px; color: var(--ink-3); }
.purpose-note, .how-copy p { max-width: 38em; color: var(--ink-2); }
.how-copy p + p { margin-top: 18px; }

/* ----------------------------------------------------------------- contact */

.contact-band { padding-block: clamp(72px, 8vw, 120px); }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(32px, 5vw, 72px); }
.contact-block { padding: 26px 0 44px; border-top: 1px solid var(--rule-light); }
.contact-block h2 { font-family: var(--display); font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
.contact-block address, .contact-note { margin-top: 12px; max-width: 30em; font-style: normal; color: var(--ink-2); }
.mailto { display: inline-block; margin-top: 10px; font-family: var(--display); font-weight: 600; font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.02em; color: var(--navy); text-underline-offset: 0.15em; }
.contact-filing { margin-top: 14px; color: var(--ink-3); }

/* ------------------------------------------------------------- responsive */

@media (max-width: 1023px) {
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .equip-list { grid-template-columns: minmax(0, 1fr); }
  .equip { grid-template-columns: minmax(0, 300px) minmax(0, 1fr); }
  .timeline--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 48px; }
}
@media (max-width: 899px) {
  .section-head--split, .line-block, .purpose-grid, .how-grid { grid-template-columns: minmax(0, 1fr); }
  .purpose-grid .headline { grid-row: auto; }
  .line-block--flip .line-copy { order: 0; }
  .timeline, .timeline--4 { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-left: 38px; }
  .timeline::before { left: 7px; right: auto; top: 4px; bottom: 0; width: 1px; height: auto; }
  .step { padding-top: 0; }
  .step-mark { left: -38px; top: 4px; }
}
@media (max-width: 639px) {
  .note-grid { grid-template-columns: minmax(0, 1fr); }
  .module-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .equip { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .spec-row, .record-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}

/* -------------------------------------------------------------- note pages
   Read mode: one column of text at a reading measure, a quiet index beside it that follows the
   reader, one schematic figure per note. */

.display--note { font-size: clamp(34px, 4vw, 56px); line-height: 1.05; max-width: 17em; }
.note-byline { margin-top: 26px; color: var(--on-navy-3); }

.article-band { padding-block: clamp(56px, 7vw, 104px) clamp(80px, 9vw, 136px); }
.article-grid {
  display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 720px);
  gap: 0 clamp(40px, 6vw, 96px); align-items: start;
}

.toc { position: sticky; top: calc(var(--header-h) + 40px); }
.toc-title { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: var(--ink-3); }
.toc ol { list-style: none; margin: 14px 0 0; padding: 0; border-left: 1px solid var(--rule-light); }
.toc a {
  display: block; margin-left: -1px; padding: 7px 0 7px 16px;
  border-left: 1px solid transparent;
  font-size: 15px; line-height: 1.35; color: var(--ink-3); text-decoration: none;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}
.toc a[aria-current] { color: var(--navy); border-left-color: var(--sonda); }
@media (hover: hover) { .toc a:hover { color: var(--navy); } }

.article-body { font-size: 18px; line-height: 1.7; }
.article-body > * + * { margin-top: 20px; }
.article-body > h2 {
  margin-top: 60px;
  font-family: var(--display); font-weight: 600; font-size: clamp(24px, 2.2vw, 30px);
  line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.article-body > h2 + * { margin-top: 16px; }
.article-body p { text-wrap: pretty; }
.article-body > ul { list-style: none; padding: 0; }
.article-body > ul > li { position: relative; padding-left: 26px; }
.article-body > ul > li + li { margin-top: 12px; }
.article-body > ul > li::before {
  content: ""; position: absolute; left: 2px; top: calc(0.85em - 4px);
  width: 8px; height: 8px; background: var(--sonda);
}
.article-body > ul b { font-weight: 600; }

.in-short { padding: 26px 30px 28px; background: var(--buff); border: 1px solid var(--rule-light); }
.in-short h2 { font-family: var(--display); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; }
.in-short ul { list-style: none; margin: 12px 0 0; padding: 0; }
.in-short li { position: relative; padding-left: 22px; font-size: 17px; line-height: 1.6; }
.in-short li + li { margin-top: 10px; }
.in-short li::before {
  content: ""; position: absolute; left: 1px; top: calc(0.8em - 1px);
  width: 10px; height: 2px; background: var(--sonda-ink);
}

/* the questions written down before a quotation */
.questions { list-style: none; padding: 0; counter-reset: q; border-top: 1px solid var(--rule-light); }
.questions > li {
  counter-increment: q; display: grid; grid-template-columns: 3.2em minmax(0, 1fr);
  padding: 14px 0; border-bottom: 1px solid var(--rule-light);
}
.questions > li::before {
  content: counter(q, decimal-leading-zero);
  font-family: var(--mono); font-size: 13px; line-height: 1.7; padding-top: 0.2em; color: var(--sonda-ink);
}

.article-body > .article-figure { margin-top: 40px; margin-bottom: 20px; }
.article-figure figcaption .caption { margin-top: 14px; color: var(--ink-3); }
.legend { display: flex; flex-wrap: wrap; gap: 8px 26px; list-style: none; margin: 10px 0 0; padding: 0; font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.legend li { display: inline-flex; align-items: center; gap: 10px; }
.mk { flex: none; display: inline-block; width: 12px; height: 12px; }
.mk--ring { border: 1.5px solid var(--navy); border-radius: 50%; }
.mk--dot { background: var(--sonda); border-radius: 50%; }
.mk--band { width: 16px; background: rgba(11, 37, 69, 0.07); border: 1px dashed rgba(11, 37, 69, 0.4); }
.mk--line { width: 18px; height: 0; border-top: 1.6px solid var(--sonda); }
.mk--thick { width: 18px; height: 0; border-top: 3px solid var(--sonda); }
.mk--shape { width: 16px; border-radius: 6px; background: rgba(11, 37, 69, 0.07); border: 1px dashed var(--navy); }

.article-body > .article-end {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--rule-light);
}

/* the other two notes, side by side, each with its drawing beside the title */
.note-grid--pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.note-grid--pair .note-link { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); column-gap: 28px; align-content: start; }
.note-grid--pair .note-illo { grid-row: 1 / span 3; }
.note-grid--pair .note-link > :not(.note-illo) { grid-column: 2; }
.note-grid--pair .note-title { margin-top: 0; }
.note-grid--pair .note-more { margin-top: 0; }

@media (max-width: 1023px) {
  .article-grid { grid-template-columns: minmax(0, 180px) minmax(0, 1fr); }
  .note-grid--pair { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 899px) {
  .article-grid { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 639px) {
  .article-body { font-size: 17px; }
  .in-short { padding: 22px 20px 24px; }
  .note-grid--pair .note-link { display: flex; }
  .note-grid--pair .note-title { margin-top: 22px; }
  .note-grid--pair .note-more { margin-top: auto; }
}

/* ------------------------------------------------------------ motion
   The footage is the moment. Beyond it: the globe copy settles, the laptop rises with the
   phone a beat behind, photos settle in, line drawings trace once and phase lines run once. Opt-in: nothing is hidden
   unless the script armed it. */

@media (prefers-reduced-motion: no-preference) {
  .motion-armed .globe-copy[data-reveal] {
    opacity: 0; transform: translateY(14px);
    transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
  }
  .motion-armed .devices[data-reveal] .laptop {
    opacity: 0; transform: translateY(36px) scale(0.985);
    transition: opacity 900ms var(--ease-out), transform 1100ms var(--ease-out);
  }
  .motion-armed .devices[data-reveal] .phone {
    opacity: 0; transform: translate(18px, 48px);
    transition: opacity 900ms var(--ease-out) 220ms, transform 1100ms var(--ease-out) 220ms;
  }
  .motion-armed .photo-plate[data-reveal],
  .motion-armed .illo-plate--photo[data-reveal] {
    opacity: 0; transform: translateY(14px);
    transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
  }
  .motion-armed [data-reveal].is-in,
  .motion-armed .devices[data-reveal].is-in .laptop,
  .motion-armed .devices[data-reveal].is-in .phone { opacity: 1; transform: none; }

  /* line drawings trace once; the dashed, faint and filled marks follow */
  .motion-armed [data-reveal] .illo .trace {
    stroke-dasharray: 1; stroke-dashoffset: 1;
    transition: stroke-dashoffset 1600ms var(--ease-out);
  }
  .motion-armed [data-reveal] .illo :is(.d, .g, .f, .m, .s) { opacity: 0; transition: opacity 700ms var(--ease-out) 800ms; }
  .motion-armed [data-reveal].is-in .illo .trace { stroke-dashoffset: 0; }
  .motion-armed [data-reveal].is-in .illo :is(.d, .g, .f, .m, .s) { opacity: 1; }

  /* the phase and supply lines run once across their steps */
  .motion-armed .timeline[data-reveal]::before { transform: scaleX(0); transform-origin: left center; transition: transform 1400ms var(--ease-out); }
  .motion-armed .timeline[data-reveal].is-in::before { transform: none; }
}
@media (prefers-reduced-motion: no-preference) and (max-width: 899px) {
  .motion-armed .timeline[data-reveal]::before { transform: scaleY(0); transform-origin: center top; }
  .motion-armed .timeline[data-reveal].is-in::before { transform: none; }
}