@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap");

:root {
  --navy: #0b263d;
  --navy-deep: #061927;
  --blue: #2f779e;
  --blue-light: #d9edf5;
  --blue-pale: #edf5f8;
  --brass: #b69155;
  --brass-soft: #dbc9a6;
  --ink: #14212b;
  --muted: #5e6d77;
  --white: #ffffff;
  --off-white: #f7f9fa;
  --line: #cfd9df;
  --line-dark: rgba(255, 255, 255, .2);
  --content: min(1320px, calc(100vw - 64px));
  --serif: "Newsreader", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", Georgia, serif;
  --sans: "IBM Plex Sans", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Aptos", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { color: inherit; font: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
::selection { background: var(--blue-light); color: var(--navy-deep); }

.skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 100;
  padding: .8rem 1rem;
  background: var(--navy);
  color: var(--white);
}
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 92px;
  padding: 0 max(32px, calc((100vw - 1320px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 1rem; text-decoration: none; }
.brand img { width: 56px; height: 56px; flex: 0 0 auto; }
.brand > span { display: grid; line-height: 1; }
.brand strong { color: var(--navy); font-family: var(--serif); font-size: 1.44rem; font-weight: 500; letter-spacing: -.018em; }
.brand small { margin-top: .34rem; color: var(--muted); font-size: .58rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(1rem, 1.7vw, 2rem); font-size: .66rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.site-nav a { padding: .8rem 0; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--blue); }
.site-nav .nav-contact { padding: .78rem 1.1rem; border: 1px solid var(--navy); }
.site-nav .nav-contact:hover { background: var(--navy); color: var(--white); }
.header-actions { display: flex; align-items: center; gap: .65rem; }
.utility-controls { display: flex; align-items: center; gap: .35rem; }
.utility-toggle {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--navy);
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}
.utility-toggle:hover { border-color: var(--blue); background: var(--blue-pale); }
.theme-toggle { color: #b78326; }
.theme-bulb { width: 18px; height: 18px; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.theme-bulb .bulb-rays { opacity: .9; transition: opacity .18s ease; }
.theme-bulb .bulb-core { transition: opacity .18s ease; }
.language-toggle { width: 42px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: .5rem; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 1px; margin: 6px; background: var(--navy); }

.supply-desk { min-height: 36px; display: grid; grid-template-columns: auto minmax(0, 1fr); overflow: hidden; border-bottom: 1px solid rgba(155,203,224,.2); background: #071c2a; color: var(--white); }
.supply-desk-label { position: relative; z-index: 2; min-height: 36px; margin: 0; padding: 0 1.1rem; display: flex; gap: .55rem; align-items: center; border-right: 1px solid rgba(155,203,224,.24); background: #071c2a; color: #d9e8ee; font-size: .55rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.supply-desk-label span { width: 6px; height: 6px; background: var(--brass); box-shadow: 0 0 0 4px rgba(182,145,85,.1); }
.supply-desk-viewport { min-width: 0; overflow: hidden; outline-offset: -3px; mask-image: linear-gradient(to right, transparent, #000 24px, #000 calc(100% - 24px), transparent); }
.supply-desk-track { width: max-content; min-height: 36px; display: flex; animation: supply-desk-scroll 56s linear infinite; will-change: transform; }
.supply-desk-set { min-height: 36px; display: flex; align-items: center; }
.supply-desk-set > a, .supply-desk-set > span { min-height: 36px; padding: 0 1.25rem; display: inline-flex; gap: .65rem; align-items: center; border-right: 1px solid rgba(155,203,224,.14); color: rgba(255,255,255,.72); font-size: .58rem; text-decoration: none; white-space: nowrap; }
.supply-desk-set b { color: #8fc4da; font-size: .5rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.supply-desk-set strong { font-weight: 500; letter-spacing: .025em; }
.supply-desk-set a:hover, .supply-desk-set a:focus-visible { background: rgba(155,203,224,.08); color: var(--white); }
.supply-desk-viewport:hover .supply-desk-track, .supply-desk-viewport:focus .supply-desk-track, .supply-desk-viewport:focus-within .supply-desk-track { animation-play-state: paused; }
@keyframes supply-desk-scroll { to { transform: translateX(-50%); } }

.hero {
  width: 100%;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr);
  border-bottom: 1px solid var(--line);
}
.hero-copy {
  padding: clamp(6rem, 9vw, 9rem) max(48px, calc((100vw - 1320px) / 2));
  padding-right: clamp(4rem, 8vw, 8rem);
  align-self: center;
}
.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0 0 2.3rem;
  color: var(--navy);
  font-size: .67rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow span { color: var(--blue); }
.hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--navy-deep);
  font-family: var(--serif);
  font-size: clamp(4.2rem, 7.2vw, 7.35rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .93;
}
.hero-deck { max-width: 710px; margin: 2.3rem 0 0; color: var(--muted); font-size: clamp(1.02rem, 1.5vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2.6rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: .85rem 1.2rem; font-size: .65rem; font-weight: 600; letter-spacing: .11em; text-decoration: none; text-transform: uppercase; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.button-primary, .button-solid { border: 1px solid var(--navy); background: var(--navy); color: var(--white); }
.button-primary:hover, .button-solid:hover { border-color: var(--blue); background: var(--blue); }
.button-text { padding-right: .25rem; padding-left: .25rem; border-bottom: 1px solid var(--navy); }
.button-text span { margin-left: .65rem; color: var(--blue); }
.button-line { border: 1px solid var(--navy); }
.button-line:hover { background: var(--blue-pale); }

.hero-field { position: relative; overflow: hidden; min-height: 720px; padding: 3rem; display: grid; place-items: center; background: var(--blue-pale); border-left: 1px solid var(--line); }
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(47,119,158,.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47,119,158,.12) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom right, rgba(0,0,0,.95), rgba(0,0,0,.12));
}
.hero-field::before { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(47,119,158,.34); }
.hero-field img { position: relative; z-index: 2; width: min(400px, 66%); filter: drop-shadow(0 20px 38px rgba(11,38,61,.08)); }
.hero-field-meta { position: absolute; z-index: 2; right: 2.2rem; bottom: 2rem; left: 2.2rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--navy); font-size: .6rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }

.credentials {
  padding: clamp(7rem, 10vw, 10rem) max(32px, calc((100vw - 1320px) / 2));
  background: var(--navy-deep);
  color: var(--white);
}
.credentials-shell { display: grid; grid-template-columns: .84fr 1.16fr; gap: clamp(4rem, 9vw, 9rem); align-items: end; }
.credentials .section-label { margin-bottom: 3.2rem; }
.credentials-kicker { margin: 0 0 1rem; color: var(--brass-soft); font-size: .61rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.credentials-intro h2 { margin: 0; color: var(--white); font-family: var(--serif); font-size: clamp(3.6rem, 6vw, 6.4rem); font-weight: 400; letter-spacing: -.04em; line-height: .94; }
.credentials-intro h2 em { color: var(--brass-soft); font-style: normal; }
.credentials-intro > p:not(.credentials-kicker) { max-width: 650px; margin: 2rem 0 0; color: rgba(255,255,255,.62); font-size: .95rem; }
.credential-link { display: inline-flex; gap: .7rem; align-items: center; margin-top: 2rem; padding-bottom: .35rem; border-bottom: 1px solid var(--brass); color: var(--white); font-size: .63rem; font-weight: 600; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }
.credential-link span { color: var(--brass-soft); }
.credential-link:hover { color: var(--brass-soft); }
.credential-grid { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.credential-grid div { min-height: 138px; padding: 1.3rem 1.4rem; display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.credential-grid .credential-feature { grid-column: 1 / -1; min-height: 188px; background: rgba(255,255,255,.035); }
.credential-grid dt { color: var(--brass-soft); font-size: .58rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.credential-grid dd { margin: auto 0 0; overflow-wrap: anywhere; color: var(--white); font-family: var(--serif); font-size: clamp(1.55rem, 2.4vw, 2.15rem); font-weight: 400; line-height: 1.02; }
.credential-grid .credential-feature dd { font-size: clamp(2.4rem, 4.3vw, 4rem); letter-spacing: -.025em; }
.credential-grid span { margin-top: .55rem; color: rgba(255,255,255,.48); font-size: .62rem; font-weight: 500; letter-spacing: .11em; text-transform: uppercase; }

.section { width: var(--content); margin: 0 auto; padding: clamp(7rem, 10vw, 10rem) 0; }
.section-label { display: flex; align-items: center; gap: .8rem; margin-bottom: 2.4rem; color: var(--blue); font-size: .63rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.section-label span { min-width: 34px; padding-right: .8rem; border-right: 1px solid var(--line); color: var(--muted); }
.section-label p { margin: 0; }
.section-label.light { color: #9bcbe0; }
.section-label.light span { border-right-color: var(--line-dark); color: rgba(255,255,255,.5); }

.company { display: grid; grid-template-columns: .28fr 1fr; column-gap: clamp(3rem, 8vw, 9rem); }
.company .section-label { grid-column: 1 / -1; }
.company-statement { grid-column: 2; max-width: 970px; }
.company-statement h2, .capabilities-heading h2, .approach-intro h2, .public-copy h2, .contact-main h2 {
  margin: 0;
  color: var(--navy-deep);
  font-family: var(--serif);
  font-size: clamp(3.3rem, 5.8vw, 6.2rem);
  font-weight: 400;
  letter-spacing: -.04em;
  line-height: .96;
}
.company-statement > p { max-width: 760px; margin: 2rem 0 0; color: var(--muted); font-size: 1.04rem; }
.company-facts { grid-column: 1 / -1; margin: 5.5rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--navy); border-bottom: 1px solid var(--navy); }
.company-facts div { min-height: 150px; padding: 1.4rem; border-right: 1px solid var(--line); }
.company-facts div:last-child { border-right: 0; }
.company-facts dt { color: var(--blue); font-size: .6rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.company-facts dd { margin: 2rem 0 0; color: var(--navy); font-family: var(--serif); font-size: 1.42rem; line-height: 1.1; }

.capabilities { padding: clamp(7rem, 10vw, 10rem) max(32px, calc((100vw - 1320px) / 2)); background: var(--navy-deep); color: var(--white); }
.capabilities-heading { display: grid; grid-template-columns: .25fr 1fr .55fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.capabilities-heading .section-label { grid-column: 1 / -1; }
.capabilities-heading h2 { grid-column: 2; color: var(--white); }
.capabilities-heading > p:last-child { grid-column: 3; margin: .5rem 0 0; color: rgba(255,255,255,.58); }
.capabilities-grid { margin-top: 5rem; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.capabilities-grid article { min-height: 330px; padding: 1.5rem; display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); transition: background .25s ease; }
.capabilities-grid article:last-child { border-right: 0; }
.capabilities-grid article:hover { background: rgba(255,255,255,.045); }
.capabilities-grid span { color: #9bcbe0; font-size: .62rem; letter-spacing: .13em; }
.capabilities-grid h3 { margin: auto 0 .9rem; font-family: var(--serif); font-size: 2.35rem; font-weight: 400; line-height: 1; }
.capabilities-grid p { margin: 0; color: rgba(255,255,255,.57); font-size: .84rem; }

.observatory {
  position: relative;
  overflow: hidden;
  padding: clamp(7rem, 10vw, 10rem) max(32px, calc((100vw - 1320px) / 2));
  border-top: 1px solid rgba(127,185,210,.18);
  background:
    linear-gradient(rgba(127,185,210,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127,185,210,.035) 1px, transparent 1px),
    #081f30;
  background-size: 80px 80px;
  color: var(--white);
}
.observatory::before {
  content: "";
  position: absolute;
  top: -18rem;
  right: -12rem;
  width: 42rem;
  height: 42rem;
  border: 1px solid rgba(127,185,210,.11);
  border-radius: 50%;
  box-shadow: 0 0 0 8rem rgba(127,185,210,.018), 0 0 0 16rem rgba(127,185,210,.012);
  pointer-events: none;
}
.observatory-shell { position: relative; z-index: 1; }
.observatory-heading { display: grid; grid-template-columns: .27fr 1fr .34fr; gap: clamp(2rem, 6vw, 6rem); align-items: end; }
.observatory-heading .section-label { grid-column: 1 / -1; }
.observatory-copy { grid-column: 2; }
.observatory-kicker { margin: 0 0 1rem; color: var(--brass-soft); font-size: .62rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.observatory-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(4.2rem, 7vw, 7.4rem); font-weight: 400; letter-spacing: -.045em; line-height: .86; }
.observatory-copy h2 em { color: #9bcbe0; font-style: normal; }
.observatory-copy > p:last-child { max-width: 720px; margin: 2rem 0 0; color: rgba(255,255,255,.62); }
.observatory-state { min-height: 96px; padding: 1.2rem 0; display: flex; gap: 1rem; align-items: center; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.observatory-state > span:last-child { display: grid; gap: .2rem; }
.observatory-state small { color: rgba(255,255,255,.48); font-size: .56rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.observatory-state strong { color: var(--white); font-family: var(--serif); font-size: 1.6rem; font-weight: 400; }
.state-light { width: 10px; height: 10px; flex: 0 0 auto; background: #75d4b1; box-shadow: 0 0 0 5px rgba(117,212,177,.09), 0 0 20px rgba(117,212,177,.55); }
.observatory-state[data-state="surge"] .state-light { background: #e7c27f; box-shadow: 0 0 0 5px rgba(231,194,127,.09), 0 0 20px rgba(231,194,127,.5); }
.observatory-state[data-state="fault"] .state-light { background: #ef8b78; box-shadow: 0 0 0 5px rgba(239,139,120,.09), 0 0 20px rgba(239,139,120,.5); }
.observatory-state[data-state="recovery"] .state-light { background: #7fb9d2; box-shadow: 0 0 0 5px rgba(127,185,210,.09), 0 0 20px rgba(127,185,210,.5); }

.observatory-console { margin-top: clamp(4rem, 7vw, 6.5rem); display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(310px, .65fr); border: 1px solid rgba(127,185,210,.3); background: rgba(2,14,22,.82); box-shadow: 0 34px 90px rgba(0,0,0,.24); }
.observatory-stage { position: relative; min-width: 0; min-height: 660px; overflow: hidden; }
.stage-topline { position: absolute; z-index: 2; top: 0; right: 0; left: 0; min-height: 52px; padding: 0 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid rgba(127,185,210,.2); color: rgba(255,255,255,.47); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .58rem; letter-spacing: .11em; text-transform: uppercase; }
#commerce-canvas { width: 100%; height: 660px; display: block; }
.trace-rail { position: absolute; right: 0; bottom: 0; left: 0; min-height: 62px; padding: .8rem 1.2rem; display: grid; grid-template-columns: 110px 1fr; gap: 1rem; align-items: center; border-top: 1px solid rgba(127,185,210,.2); background: rgba(3,18,28,.9); }
.trace-rail span { color: #9bcbe0; font-size: .55rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.trace-rail code { overflow: hidden; color: rgba(255,255,255,.7); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }

.model-panel { min-width: 0; border-left: 1px solid rgba(127,185,210,.3); background: rgba(6,25,38,.72); }
.model-panel-heading { min-height: 52px; padding: 0 1rem; display: flex; gap: .8rem; align-items: center; border-bottom: 1px solid rgba(127,185,210,.2); color: #9bcbe0; font-size: .57rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.model-panel-heading span { min-width: 28px; color: rgba(255,255,255,.36); }
.model-panel-heading p { margin: 0; }
.model-panel-heading strong { margin-left: auto; padding: .28rem .42rem; border: 1px solid rgba(127,185,210,.28); color: rgba(255,255,255,.52); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .46rem; font-weight: 500; letter-spacing: .1em; }
.scenario-controls { display: grid; grid-template-columns: repeat(2, 1fr); }
.scenario-button { position: relative; min-height: 82px; padding: .9rem 2.2rem .9rem 1rem; display: grid; gap: .35rem; align-content: center; border: 0; border-right: 1px solid rgba(127,185,210,.16); border-bottom: 1px solid rgba(127,185,210,.16); background: transparent; color: rgba(255,255,255,.72); font-size: .72rem; text-align: left; cursor: pointer; transition: background .18s ease, color .18s ease; }
.scenario-button::after { content: "↗"; position: absolute; top: 50%; right: .85rem; color: rgba(127,185,210,.45); font-size: .72rem; transform: translateY(-50%); transition: color .18s ease, transform .18s ease; }
.scenario-button:nth-child(even) { border-right: 0; }
.scenario-button span { color: rgba(127,185,210,.55); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .54rem; letter-spacing: .12em; }
.scenario-button:hover { background: rgba(127,185,210,.06); color: var(--white); }
.scenario-button:hover::after { color: #9bcbe0; transform: translate(.15rem, calc(-50% - .15rem)); }
.scenario-button.active { background: #dbe9ef; color: var(--navy-deep); }
.scenario-button.active span { color: var(--blue); }
.scenario-button.active::after { content: "●"; color: var(--blue); font-size: .48rem; transform: translateY(-50%); }
.scenario-button:focus-visible { position: relative; z-index: 2; outline-color: #9bcbe0; outline-offset: -4px; }
.metrics-heading { margin-top: 0; }
.model-metrics { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); }
.model-metrics div { min-height: 112px; padding: 1rem; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(127,185,210,.16); border-bottom: 1px solid rgba(127,185,210,.16); }
.model-metrics div:nth-child(even) { border-right: 0; }
.model-metrics dt { color: rgba(255,255,255,.42); font-size: .54rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.model-metrics dd { margin: 0; color: var(--white); font-family: var(--serif); font-size: 2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.model-metrics dd small { color: rgba(255,255,255,.45); font-family: var(--sans); font-size: .58rem; letter-spacing: .04em; }
.model-event-log ol { margin: 0; padding: 0 1rem; list-style: none; }
.model-event-log li { min-height: 37px; display: grid; grid-template-columns: 58px 1fr auto; gap: .6rem; align-items: center; border-bottom: 1px solid rgba(127,185,210,.1); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .57rem; }
.model-event-log time { color: rgba(255,255,255,.3); }
.model-event-log li span { overflow: hidden; color: rgba(255,255,255,.62); text-overflow: ellipsis; white-space: nowrap; }
.model-event-log b { color: #9bcbe0; font-weight: 500; }
.model-toggle { width: calc(100% - 2rem); min-height: 42px; margin: 1rem; border: 1px solid rgba(127,185,210,.42); background: transparent; color: var(--white); font-size: .58rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; }
.model-toggle span { margin-right: .55rem; color: #9bcbe0; }
.model-toggle:hover { border-color: #9bcbe0; background: rgba(127,185,210,.07); }
.model-disclosure { margin: 1rem 0 0; color: rgba(255,255,255,.42); font-size: .65rem; }
.model-disclosure span { margin-right: .65rem; color: var(--brass-soft); font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }

.architecture-inspector { margin-top: 1.25rem; border: 1px solid rgba(127,185,210,.3); background: rgba(2,14,22,.82); box-shadow: 0 24px 72px rgba(0,0,0,.16); }
.architecture-inspector-heading { padding: 2rem; display: grid; grid-template-columns: .27fr 1fr; gap: 2rem; align-items: end; border-bottom: 1px solid rgba(127,185,210,.2); }
.architecture-inspector-heading > span { color: #9bcbe0; font-size: .56rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.architecture-inspector-heading h3 { margin: 0; font-family: var(--serif); font-size: clamp(2.2rem, 3.5vw, 4rem); font-weight: 400; letter-spacing: -.035em; line-height: .95; }
.architecture-inspector-heading p { max-width: 680px; margin: 1rem 0 0; color: rgba(255,255,255,.55); font-size: .82rem; }
.architecture-node-controls { display: grid; grid-template-columns: repeat(6, 1fr); border-bottom: 1px solid rgba(127,185,210,.2); }
.architecture-node-controls button { min-height: 88px; padding: 1rem; display: grid; gap: .55rem; align-content: center; border: 0; border-right: 1px solid rgba(127,185,210,.16); background: transparent; color: rgba(255,255,255,.7); font-size: .7rem; text-align: left; cursor: pointer; transition: background .18s ease, color .18s ease; }
.architecture-node-controls button:last-child { border-right: 0; }
.architecture-node-controls button span { color: rgba(127,185,210,.48); font-family: "IBM Plex Mono", "Cascadia Mono", monospace; font-size: .52rem; letter-spacing: .12em; }
.architecture-node-controls button:hover { background: rgba(127,185,210,.06); color: var(--white); }
.architecture-node-controls button.active { background: #dbe9ef; color: var(--navy-deep); }
.architecture-node-controls button.active span { color: var(--blue); }
.architecture-node-controls button:focus-visible { position: relative; z-index: 1; outline-color: #9bcbe0; outline-offset: -4px; }
.architecture-readout { display: grid; grid-template-columns: .27fr 1fr; }
.architecture-readout-title { padding: 2rem; border-right: 1px solid rgba(127,185,210,.2); }
.architecture-readout-title p { margin: 0 0 .75rem; color: var(--brass-soft); font-size: .55rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.architecture-readout-title h3 { margin: 0; font-family: var(--serif); font-size: clamp(2rem, 3vw, 3.25rem); font-weight: 400; line-height: .95; }
#constraint-toggle { width: 100%; min-height: 44px; margin-top: 2rem; border: 1px solid rgba(127,185,210,.44); background: transparent; color: var(--white); font-size: .56rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; cursor: pointer; }
#constraint-toggle span { margin-right: .55rem; color: #9bcbe0; }
#constraint-toggle:hover { border-color: #9bcbe0; background: rgba(127,185,210,.07); }
#constraint-toggle[aria-pressed="true"] { border-color: #ef8b78; background: rgba(239,139,120,.1); }
#constraint-toggle[aria-pressed="true"] span { color: #efb0a4; }
.architecture-readout dl { min-width: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.architecture-readout dl > div { min-height: 154px; padding: 2rem; border-right: 1px solid rgba(127,185,210,.16); border-bottom: 1px solid rgba(127,185,210,.16); }
.architecture-readout dl > div:nth-child(3) { border-right: 0; }
.architecture-readout dt { color: #9bcbe0; font-size: .54rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.architecture-readout dd { margin: 1rem 0 0; color: rgba(255,255,255,.68); font-size: .78rem; line-height: 1.58; }
.architecture-readout dl > .analytical-lens { grid-column: 1 / -1; min-height: 0; border-right: 0; }
.analytical-lens dd { max-width: 900px; color: rgba(255,255,255,.76); }
.constraint-status { grid-column: 2; margin: 0; padding: 1rem 2rem; display: flex; gap: 1rem; justify-content: space-between; border-top: 1px solid rgba(127,185,210,.12); color: rgba(255,255,255,.54); font-size: .64rem; }
.constraint-status span { color: var(--brass-soft); font-size: .53rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.constraint-status strong { color: rgba(255,255,255,.72); font-weight: 500; text-align: right; }

.approach { display: grid; grid-template-columns: .3fr 1fr; column-gap: clamp(3rem, 8vw, 9rem); }
.approach .section-label { grid-column: 1 / -1; }
.approach-intro { grid-column: 2; }
.approach-intro p { max-width: 700px; margin: 1.8rem 0 0; color: var(--muted); }
.principles { grid-column: 1 / -1; margin-top: 5.5rem; border-top: 1px solid var(--navy); }
.principles article { display: grid; grid-template-columns: .3fr .8fr 1fr; gap: 2rem; align-items: start; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.principles p { margin: .25rem 0 0; color: var(--blue); font-size: .6rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.principles h3 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: 2rem; font-weight: 400; line-height: 1.05; }
.principles span { color: var(--muted); font-size: .9rem; }

.public-record { display: grid; grid-template-columns: .3fr 1fr; column-gap: clamp(3rem, 8vw, 9rem); border-top: 1px solid var(--line); }
.public-record .section-label { grid-column: 1 / -1; }
.public-copy { grid-column: 2; }
.public-copy p { max-width: 680px; margin: 1.8rem 0 0; color: var(--muted); }
.record-links { grid-column: 1 / -1; margin-top: 5rem; border-top: 1px solid var(--navy); }
.record-links a { min-height: 94px; display: grid; grid-template-columns: .28fr 1fr auto; gap: 2rem; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding .2s ease, background .2s ease; }
.record-links a:hover { padding: 0 1.2rem; background: var(--blue-pale); }
.record-links span { color: var(--blue); font-size: .6rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.record-links strong { color: var(--navy); font-family: var(--serif); font-size: 1.72rem; font-weight: 400; }
.record-links b { color: var(--blue); font-weight: 400; }

.contact { padding: clamp(6rem, 9vw, 9rem) max(32px, calc((100vw - 1320px) / 2)); display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(4rem, 10vw, 10rem); background: var(--blue-pale); border-top: 1px solid var(--line); }
.contact-main > p { margin: 0 0 1.7rem; color: var(--blue); font-size: .63rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.contact-main h2 { max-width: 720px; }
.contact-intro { max-width: 720px; margin: 1.7rem 0 0; color: var(--muted); }
.contact-form { max-width: 760px; margin-top: 2.6rem; }
.form-instructions { margin: 0 0 1rem; color: var(--muted); font-size: .7rem; }
.form-instructions span { color: var(--navy); font-weight: 600; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-grid label { display: grid; gap: .48rem; color: var(--navy); font-size: .61rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.form-grid label > span { display: flex; justify-content: space-between; gap: 1rem; }
.form-grid label b { color: #9f4b3e; }
.form-grid label small { color: var(--muted); font-size: .52rem; font-weight: 500; }
.form-wide { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea {
  width: 100%;
  min-height: 50px;
  padding: .82rem .9rem;
  border: 1px solid #aebec7;
  border-radius: 0;
  background: rgba(255,255,255,.78);
  color: var(--ink);
  font: 1rem/1.45 var(--sans);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.contact-form textarea { min-height: 148px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,119,158,.15); background: var(--white); }
.contact-form [aria-invalid="true"] { border-color: #a84539; box-shadow: 0 0 0 3px rgba(168,69,57,.12); }
.form-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; }
.form-submit-row { margin-top: 1.2rem; display: flex; align-items: center; gap: 1rem; }
.form-submit-row p { max-width: 280px; margin: 0; color: var(--muted); font-size: .64rem; }
.form-status { min-height: 1.4em; margin: .8rem 0 0; color: var(--navy); font-size: .72rem; }
.contact-details { border-top: 1px solid var(--navy); }
.contact-details > div { display: grid; grid-template-columns: 100px 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.contact-details span { color: var(--blue); font-size: .58rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.contact-details strong { color: var(--navy); font-size: .83rem; font-weight: 500; text-align: right; }
.contact-details strong a { color: inherit; text-decoration: none; }
.contact-details strong a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: .2em; }
.contact-details nav { display: flex; flex-wrap: wrap; gap: 1.15rem; margin-top: 2rem; }
.contact-details nav a { color: var(--muted); font-size: .62rem; font-weight: 600; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.contact-details nav a:hover { color: var(--blue); }
.direct-contact { margin: 1.5rem 0 0; color: var(--muted); font-size: .72rem; }
.direct-contact a { color: var(--navy); text-underline-offset: .2em; }

.site-footer { min-height: 126px; padding: 2.2rem max(32px, calc((100vw - 1320px) / 2)); display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: center; background: var(--navy-deep); color: var(--white); }
.footer-brand { display: inline-flex; align-items: center; gap: 1rem; text-decoration: none; }
.footer-brand img { width: 52px; height: 52px; }
.footer-brand strong { font-family: var(--serif); font-size: 1.25rem; font-weight: 400; }
.site-footer > p { margin: 0; color: rgba(255,255,255,.52); font-size: .61rem; letter-spacing: .1em; text-transform: uppercase; }

.reveal, .reveal.visible { opacity: 1; transform: none; }

/* Legal pages */
.legal-header { position: relative; }
.legal-main { width: var(--content); margin: 0 auto; }
.legal-hero { display: grid; grid-template-columns: 1.1fr .6fr; gap: clamp(3rem, 8vw, 8rem); align-items: end; padding: 7rem 0 5rem; border-bottom: 1px solid var(--navy); }
.legal-hero h1 { margin: 0; color: var(--navy-deep); font-family: var(--serif); font-size: clamp(4rem, 7vw, 7rem); font-weight: 400; letter-spacing: -.04em; line-height: .92; }
.legal-hero h1 em { color: var(--blue); font-style: normal; }
.legal-deck { max-width: 700px; margin: 1.8rem 0 0; color: var(--muted); font-size: 1.02rem; }
.legal-meta { margin: 0; border-top: 1px solid var(--navy); }
.legal-meta div { display: grid; grid-template-columns: 90px 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.legal-meta dt { color: var(--blue); font-size: .57rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.legal-meta dd { margin: 0; color: var(--navy); font-size: .78rem; font-weight: 500; text-align: right; }
.legal-layout { display: grid; grid-template-columns: 210px minmax(0, 780px); justify-content: space-between; gap: clamp(3rem, 8vw, 8rem); padding: 5rem 0 9rem; }
.legal-index { position: sticky; top: 2rem; align-self: start; }
.legal-index p { margin: 0 0 .8rem; color: var(--blue); font-size: .58rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.legal-index a { display: block; padding: .7rem 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .74rem; text-decoration: none; }
.legal-index a:last-child { border-bottom: 1px solid var(--line); }
.legal-index a:hover { color: var(--blue); }
.legal-copy section { padding-bottom: 3.2rem; scroll-margin-top: 2rem; }
.legal-copy section + section { padding-top: 3.2rem; border-top: 1px solid var(--line); }
.legal-copy h2 { margin: 0 0 1.2rem; color: var(--navy); font-family: var(--serif); font-size: clamp(2.6rem, 4.5vw, 4rem); font-weight: 400; line-height: 1; }
.legal-copy h3 { margin: 2rem 0 .6rem; color: var(--navy); font-size: .88rem; text-transform: uppercase; }
.legal-copy p, .legal-copy li { color: var(--muted); }
.legal-copy p { margin: 0 0 1rem; }
.legal-copy ul, .legal-copy ol { padding-left: 1.25rem; }
.legal-copy li + li { margin-top: .65rem; }
.legal-copy a { color: var(--navy); text-underline-offset: .2em; }
.legal-callout { margin-top: 1.5rem; padding: 1.25rem 1.4rem; border-left: 3px solid var(--blue); background: var(--blue-pale); }
.legal-callout strong { display: block; margin-bottom: .2rem; color: var(--navy); font-size: .72rem; text-transform: uppercase; }
.steps { margin: 1.5rem 0 0 !important; padding: 0 !important; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 56px 1fr; gap: 1rem; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li::before { content: counter(step, decimal-leading-zero); color: var(--blue); font-family: var(--serif); font-size: 1.8rem; line-height: 1; }
.steps strong { display: block; color: var(--navy); text-transform: uppercase; }

.not-found { min-height: 80vh; width: var(--content); margin: 0 auto; display: grid; place-items: center; text-align: center; }
.not-found h1 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(7rem, 22vw, 16rem); font-weight: 400; line-height: .75; }
.not-found p { color: var(--muted); }

html[data-language="ja"] body { word-break: normal; line-break: strict; }
html[data-language="ja"] .site-nav,
html[data-language="ja"] .section-label,
html[data-language="ja"] .eyebrow,
html[data-language="ja"] .button { letter-spacing: .06em; }
html[data-language="ja"] .brand small { letter-spacing: .06em; }

html[data-theme="dark"] body { background: #07141e; color: #e8eef1; }
html[data-theme="dark"] .site-header { border-bottom-color: rgba(166,193,207,.2); background: rgba(7,20,30,.95); }
html[data-theme="dark"] .brand strong,
html[data-theme="dark"] .site-nav a,
html[data-theme="dark"] .hero h1,
html[data-theme="dark"] .company-statement h2,
html[data-theme="dark"] .approach-intro h2,
html[data-theme="dark"] .public-copy h2,
html[data-theme="dark"] .contact-main h2,
html[data-theme="dark"] .company-facts dd,
html[data-theme="dark"] .principles h3,
html[data-theme="dark"] .record-links strong,
html[data-theme="dark"] .contact-details strong,
html[data-theme="dark"] .direct-contact a,
html[data-theme="dark"] .legal-hero h1,
html[data-theme="dark"] .legal-meta dd,
html[data-theme="dark"] .legal-copy h2,
html[data-theme="dark"] .legal-copy h3,
html[data-theme="dark"] .legal-copy a,
html[data-theme="dark"] .steps strong,
html[data-theme="dark"] .not-found h1 { color: #edf3f6; }
html[data-theme="dark"] .brand small,
html[data-theme="dark"] .hero-deck,
html[data-theme="dark"] .company-statement > p,
html[data-theme="dark"] .approach-intro p,
html[data-theme="dark"] .public-copy p,
html[data-theme="dark"] .principles span,
html[data-theme="dark"] .legal-deck,
html[data-theme="dark"] .legal-copy p,
html[data-theme="dark"] .legal-copy li,
html[data-theme="dark"] .legal-index a,
html[data-theme="dark"] .not-found p,
html[data-theme="dark"] .contact-intro,
html[data-theme="dark"] .form-instructions,
html[data-theme="dark"] .form-submit-row p,
html[data-theme="dark"] .direct-contact { color: #9eafb9; }
html[data-theme="dark"] .eyebrow { color: #d7e4ea; }
html[data-theme="dark"] .utility-toggle { border-color: rgba(166,193,207,.28); background: rgba(255,255,255,.025); color: #d5e0e5; }
html[data-theme="dark"] .utility-toggle:hover { border-color: #6ca6c4; background: rgba(108,166,196,.1); }
html[data-theme="dark"] .theme-toggle { color: #596c79; background: rgba(0,0,0,.16); }
html[data-theme="dark"] .theme-bulb .bulb-rays { opacity: .18; }
html[data-theme="dark"] .supply-desk, html[data-theme="dark"] .supply-desk-label { background: #031019; }
html[data-theme="dark"] .site-nav .nav-contact,
html[data-theme="dark"] .button-line { border-color: #a9bdc8; }
html[data-theme="dark"] .site-nav .nav-contact:hover { background: #dbe8ee; color: #07141e; }
html[data-theme="dark"] .menu-toggle span:not(.sr-only) { background: #e8eef1; }
html[data-theme="dark"] .hero,
html[data-theme="dark"] .public-record,
html[data-theme="dark"] .contact { border-color: rgba(166,193,207,.2); }
html[data-theme="dark"] .hero-field { border-color: rgba(166,193,207,.2); background: #0c2231; }
html[data-theme="dark"] .hero-grid { opacity: .6; }
html[data-theme="dark"] .hero-field-meta { color: #bed2dc; }
html[data-theme="dark"] .button-primary,
html[data-theme="dark"] .button-solid { border-color: #dbe8ee; background: #dbe8ee; color: #07141e; }
html[data-theme="dark"] .button-primary:hover,
html[data-theme="dark"] .button-solid:hover { border-color: #76abc6; background: #76abc6; }
html[data-theme="dark"] .button-text { border-bottom-color: #dbe8ee; }
html[data-theme="dark"] .company-facts,
html[data-theme="dark"] .principles,
html[data-theme="dark"] .record-links,
html[data-theme="dark"] .contact-details,
html[data-theme="dark"] .legal-hero,
html[data-theme="dark"] .legal-meta { border-color: #8aa3b0; }
html[data-theme="dark"] .company-facts div,
html[data-theme="dark"] .principles article,
html[data-theme="dark"] .record-links a,
html[data-theme="dark"] .contact-details > div,
html[data-theme="dark"] .legal-meta div,
html[data-theme="dark"] .legal-index a,
html[data-theme="dark"] .legal-copy section + section,
html[data-theme="dark"] .steps li { border-color: rgba(166,193,207,.2); }
html[data-theme="dark"] .record-links a:hover { background: rgba(108,166,196,.1); }
html[data-theme="dark"] .contact { background: #0a1c29; }
html[data-theme="dark"] .form-grid label,
html[data-theme="dark"] .form-instructions span,
html[data-theme="dark"] .form-status { color: #dbe8ee; }
html[data-theme="dark"] .contact-form input,
html[data-theme="dark"] .contact-form textarea { border-color: #536d7b; background: #07141e; color: #edf3f6; }
html[data-theme="dark"] .contact-form input:focus,
html[data-theme="dark"] .contact-form textarea:focus { border-color: #76abc6; background: #0b2130; box-shadow: 0 0 0 3px rgba(118,171,198,.16); }
html[data-theme="dark"] .legal-callout { background: #0b2130; }

@media (max-width: 1020px) {
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 92px; left: 32px; right: 32px; z-index: 60; padding: 1rem; flex-direction: column; align-items: stretch; border: 1px solid var(--navy); background: var(--white); }
  html[data-theme="dark"] .site-nav { border-color: #536d7b; background: #0a1c29; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .8rem; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-right: max(48px, calc((100vw - 1320px) / 2)); }
  .hero-field { min-height: 520px; border-top: 1px solid var(--line); border-left: 0; }
  .credentials-shell { grid-template-columns: 1fr; }
  .credential-grid { margin-top: 1rem; }
  .company, .approach, .public-record { grid-template-columns: .2fr 1fr; }
  .capabilities-heading { grid-template-columns: .2fr 1fr; }
  .capabilities-heading h2 { grid-column: 2; }
  .capabilities-heading > p:last-child { grid-column: 2; }
  .company-facts, .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .company-facts div:nth-child(2), .capabilities-grid article:nth-child(2) { border-right: 0; }
  .company-facts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .capabilities-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .observatory-heading { grid-template-columns: .2fr 1fr; }
  .observatory-copy, .observatory-state { grid-column: 2; }
  .observatory-state { max-width: 420px; margin-top: 1rem; }
  .observatory-console { grid-template-columns: 1fr; }
  .observatory-stage { min-height: 560px; }
  #commerce-canvas { height: 560px; }
  .model-panel { border-top: 1px solid rgba(127,185,210,.3); border-left: 0; }
  .model-event-log ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .model-event-log li { grid-template-columns: 52px 1fr; }
  .model-event-log li b { grid-column: 2; }
  .architecture-inspector-heading, .architecture-readout { grid-template-columns: .2fr 1fr; }
  .architecture-node-controls { grid-template-columns: repeat(3, 1fr); }
  .architecture-node-controls button:nth-child(3) { border-right: 0; }
  .architecture-node-controls button:nth-child(-n+3) { border-bottom: 1px solid rgba(127,185,210,.16); }
  .architecture-readout dl { grid-template-columns: 1fr; }
  .architecture-readout dl > div, .architecture-readout dl > div:nth-child(3) { min-height: 0; border-right: 0; }
  .principles article { grid-template-columns: .28fr .72fr; }
  .principles span { grid-column: 2; }
  .contact { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer > p:last-child { grid-column: 1 / -1; }
  .legal-hero { grid-template-columns: 1fr; }
  .legal-meta { max-width: 620px; }
  .legal-layout { grid-template-columns: 175px minmax(0, 1fr); gap: 3rem; }
}

@media (max-width: 660px) {
  :root { --content: min(100% - 28px, 1320px); }
  .site-header { min-height: 76px; padding: 0 14px; }
  .site-nav { top: 76px; left: 14px; right: 14px; }
  .brand img { width: 46px; height: 46px; }
  .brand strong { font-size: 1.2rem; }
  .brand small { font-size: .5rem; }
  .header-actions { gap: .25rem; }
  .utility-controls { gap: .22rem; }
  .utility-toggle { width: 32px; height: 32px; }
  .language-toggle { width: 38px; font-size: .53rem; }
  .theme-bulb { width: 17px; height: 17px; }
  .supply-desk { grid-template-columns: 94px minmax(0, 1fr); }
  .supply-desk-label { padding: 0 .7rem; font-size: .46rem; letter-spacing: .07em; }
  .supply-desk-label span { width: 5px; height: 5px; }
  .supply-desk-set > a, .supply-desk-set > span { padding: 0 .9rem; font-size: .54rem; }
  .hero-copy { padding: 5rem 14px; }
  .hero h1 { font-size: clamp(3.8rem, 17vw, 5.5rem); }
  .hero-field { min-height: 390px; padding: 2rem; }
  .hero-field::before { inset: 9%; }
  .hero-grid { background-size: 64px 64px; }
  .hero-field-meta { right: 1.2rem; bottom: 1.2rem; left: 1.2rem; }
  .credentials { padding: 6rem 14px; }
  .credential-grid { grid-template-columns: 1fr; }
  .credential-grid .credential-feature { grid-column: 1; min-height: 180px; }
  .section { padding: 6rem 0; }
  .company, .approach, .public-record { grid-template-columns: 1fr; }
  .company-statement, .approach-intro, .public-copy { grid-column: 1; }
  .company-facts, .capabilities-grid { grid-template-columns: 1fr; }
  .company-facts div, .capabilities-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .capabilities-grid article { min-height: 230px; border-bottom-color: var(--line-dark); }
  .company-facts div:last-child, .capabilities-grid article:last-child { border-bottom: 0; }
  .capabilities { padding-right: 14px; padding-left: 14px; }
  .capabilities-heading { grid-template-columns: 1fr; }
  .capabilities-heading h2, .capabilities-heading > p:last-child { grid-column: 1; }
  .observatory { padding: 6rem 14px; background-size: 56px 56px; }
  .observatory-heading { grid-template-columns: 1fr; }
  .observatory-heading .section-label, .observatory-copy, .observatory-state { grid-column: 1; }
  .observatory-copy h2 { font-size: clamp(4rem, 20vw, 5.5rem); }
  .observatory-state { max-width: none; }
  .observatory-console { margin-top: 3rem; }
  .observatory-stage { min-height: 480px; }
  #commerce-canvas { height: 480px; }
  .stage-topline { padding: 0 .8rem; font-size: .5rem; }
  .stage-topline span:first-child { max-width: 72%; }
  .trace-rail { min-height: 78px; padding: .75rem .8rem; grid-template-columns: 1fr; gap: .3rem; }
  .trace-rail code { font-size: .58rem; }
  .model-event-log ol { display: block; }
  .model-event-log li { grid-template-columns: 52px 1fr auto; }
  .model-event-log li b { grid-column: auto; }
  .model-disclosure { line-height: 1.6; }
  .model-disclosure span { display: block; margin: 0 0 .3rem; }
  .architecture-inspector-heading, .architecture-readout { grid-template-columns: 1fr; }
  .architecture-inspector-heading { padding: 1.5rem; gap: 1rem; }
  .architecture-node-controls { grid-template-columns: repeat(2, 1fr); }
  .architecture-node-controls button, .architecture-node-controls button:nth-child(3) { min-height: 76px; border-right: 1px solid rgba(127,185,210,.16); border-bottom: 1px solid rgba(127,185,210,.16); }
  .architecture-node-controls button:nth-child(even) { border-right: 0; }
  .architecture-readout-title { padding: 1.5rem; border-right: 0; border-bottom: 1px solid rgba(127,185,210,.2); }
  .architecture-readout dl > div { padding: 1.5rem; }
  .constraint-status { grid-column: 1; padding: 1rem 1.5rem; display: grid; }
  .constraint-status strong { text-align: left; }
  .principles article { grid-template-columns: 1fr; }
  .principles h3 { margin-top: .5rem; }
  .principles span { grid-column: 1; }
  .record-links a { grid-template-columns: 1fr auto; gap: .55rem 1rem; padding: 1rem 0; }
  .record-links a:hover { padding: 1rem .5rem; }
  .record-links span { grid-column: 1 / -1; }
  .contact { padding-right: 14px; padding-left: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wide { grid-column: 1; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .form-submit-row .button { width: 100%; }
  .contact-details > div { grid-template-columns: 86px 1fr; }
  .site-footer { padding: 2.3rem 14px; grid-template-columns: 1fr; }
  .site-footer > p:last-child { grid-column: 1; }
  .legal-hero { padding-top: 4.5rem; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-index { position: static; }
  .steps li { grid-template-columns: 48px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .supply-desk-viewport { overflow-x: auto; mask-image: none; }
  .supply-desk-track { animation: none; }
  .supply-desk-set[aria-hidden="true"] { display: none; }
}