@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans.woff2") format("woff2-variations");
  font-weight: 400 700;
  font-stretch: 75% 100%;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #0B0C0E;
  --ink-2: #121417;
  --rule-d: #26292E;
  --rule-d2: #1B1E22;
  --text-d: #ECEDEE;
  --mute-d: #858B94;
  --paper: #EEEFF0;
  --paper-2: #E4E6E8;
  --rule-l: #C9CDD2;
  --text-l: #0B0C0E;
  --mute-l: #5A6068;

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

  --gut: clamp(16px, 4vw, 56px);
  --max: 1440px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text-d);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; }
img, svg { display: block; }
::selection { background: var(--text-d); color: var(--ink); }

:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.skip {
  position: absolute; left: var(--gut); top: -60px;
  background: var(--text-d); color: var(--ink);
  padding: 10px 14px; font-family: var(--mono); font-size: 12px; z-index: 100;
}
.skip:focus { top: 12px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }

.label {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- Header ---------- */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 12, 14, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--rule-d2);
}
.top .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-d); }
.brand .sym { width: 30px; height: auto; }
.brand .wm { width: 92px; height: auto; margin-top: 2px; }

.nav { display: flex; gap: 32px; }
.nav a {
  text-decoration: none; color: var(--mute-d);
  font-size: 14px; letter-spacing: 0.01em;
  transition: color .2s;
}
.nav a:hover { color: var(--text-d); }

.status { display: flex; align-items: center; gap: 10px; color: var(--mute-d); }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-d);
  animation: blink 2.4s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: .15; } }

.menu-btn {
  display: none; background: none; border: 1px solid var(--rule-d);
  color: var(--text-d); font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase; padding: 8px 12px; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { position: relative; border-bottom: 1px solid var(--rule-d2); overflow: hidden; }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(24px, 4vw, 64px);
  min-height: calc(100svh - 64px);
  padding-top: clamp(40px, 6vh, 72px);
  padding-bottom: clamp(32px, 5vh, 56px);
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; }
.hero-copy .label { color: var(--mute-d); }
.hero h1 {
  font-size: clamp(42px, 5.2vw, 84px);
  font-weight: 500;
  font-stretch: 75%;
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 24px 0 28px;
}
.hero h1 .dim { color: var(--mute-d); }
.lede { max-width: 30em; color: #B9BDC3; font-size: clamp(16px, 1.25vw, 19px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 14px;
  height: 48px; padding: 0 20px;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  border: 1px solid var(--text-d);
  transition: background .2s, color .2s;
}
.btn-solid { background: var(--text-d); color: var(--ink); }
.btn-solid:hover { background: transparent; color: var(--text-d); }
.btn-line { color: var(--text-d); border-color: var(--rule-d); }
.btn-line:hover { border-color: var(--text-d); }
.btn .arr { font-family: var(--sans); font-size: 16px; letter-spacing: 0; }

.hero-plan { position: relative; align-self: center; border-left: 1px solid var(--rule-d2); }
.plan-head, .plan-foot {
  display: flex; justify-content: space-between; gap: 16px;
  color: var(--mute-d); padding: 14px 0 14px 20px;
}
.plan-foot { border-top: 1px solid var(--rule-d2); }
.plan-head { border-bottom: 1px solid var(--rule-d2); }
.plan { width: 100%; height: auto; color: var(--text-d); }

/* plan drawing */
.plan .grid line { stroke: var(--rule-d2); stroke-width: 1; }
.plan .lot { fill: none; stroke: #4A4F57; stroke-width: 1; stroke-dasharray: 6 5; }
.plan .fence { fill: none; stroke: #8D939B; stroke-width: 1.5; }
.plan .bldg { fill: var(--ink-2); stroke: var(--text-d); stroke-width: 1.5; }
.plan .room { fill: none; stroke: #5D636B; stroke-width: 1; }
.plan .hatch { fill: url(#hatch); stroke: #3A3E44; stroke-width: 1; }
.plan .road { fill: none; stroke: #3A3E44; stroke-width: 1; }
.plan .cone { fill: rgba(236, 237, 238, 0.07); stroke: rgba(236, 237, 238, 0.28); stroke-width: 1; }
.plan .cam { fill: var(--text-d); }
.plan .lamp { fill: none; stroke: #6D737B; stroke-width: 1; stroke-dasharray: 2 3; }
.plan .txt { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; fill: var(--mute-d); }
.plan .tag-t { font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: .08em; fill: var(--text-d); }
.plan .tag-s { font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em; fill: var(--mute-d); }
.plan .tag-box { fill: var(--ink); stroke: var(--rule-d); stroke-width: 1; }
.plan .lead { stroke: var(--mute-d); stroke-width: 1; }
.plan .mk-ring { fill: none; stroke: var(--text-d); stroke-width: 1.25; }
.plan .mk-core { fill: var(--text-d); }
.plan .mk-core.med { fill: var(--ink); stroke: var(--text-d); stroke-width: 1.25; }
.plan .scan { stroke: var(--text-d); stroke-width: 1; opacity: .7; }
.plan .scan-band { fill: rgba(236, 237, 238, 0.05); }

.scanner { animation: sweep 9s cubic-bezier(.45, 0, .55, 1) infinite alternate; }
@keyframes sweep { from { transform: translateX(0); } to { transform: translateX(560px); } }
.mk .mk-ring { transform-box: fill-box; transform-origin: center; animation: ping 3.2s ease-out infinite; }
.mk:nth-of-type(2) .mk-ring { animation-delay: .8s; }
.mk:nth-of-type(3) .mk-ring { animation-delay: 1.6s; }
.mk:nth-of-type(4) .mk-ring { animation-delay: 2.4s; }
@keyframes ping {
  0% { transform: scale(.6); opacity: 1; }
  70%, 100% { transform: scale(1.9); opacity: 0; }
}

/* ---------- Ticker ---------- */
.ticker {
  border-bottom: 1px solid var(--rule-d2);
  color: var(--mute-d);
  overflow: hidden;
}
.ticker .wrap { display: flex; gap: 40px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.ticker span b { color: var(--text-d); font-weight: 500; }

/* ---------- Light sections ---------- */
.light { background: var(--paper); color: var(--text-l); }
.light ::selection { background: var(--ink); color: var(--paper); }

.sec { padding: clamp(80px, 11vw, 160px) 0; }
.sec-head {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(24px, 4vw, 64px);
  margin-bottom: clamp(48px, 6vw, 88px);
}
.sec-head .label { padding-top: 12px; }
.light .sec-head .label { color: var(--mute-l); }
.dark .sec-head .label { color: var(--mute-d); }
.h2 {
  font-size: clamp(34px, 4.4vw, 68px);
  font-weight: 500;
  font-stretch: 82%;
  line-height: 1.0;
  letter-spacing: -0.02em;
  max-width: 17em;
}
.h2 .dim { color: var(--mute-l); }
.dark .h2 .dim { color: var(--mute-d); }

.principles {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--text-l);
  margin-left: calc(25% + 0px);
}
.principles li { padding: 28px 28px 0 0; }
.principles li + li { padding-left: 28px; border-left: 1px solid var(--rule-l); }
.principles h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 12px; }
.principles p { color: var(--mute-l); font-size: 16px; }

/* capabilities */
.caps { border-top: 1px solid var(--text-l); }
.cap {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr);
  gap: clamp(20px, 4vw, 64px);
  padding: 36px 0 40px;
  border-bottom: 1px solid var(--rule-l);
  transition: background .25s;
}
.cap h3 {
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 500; font-stretch: 85%;
  line-height: 1.05; letter-spacing: -0.015em;
}
.cap p { color: var(--mute-l); max-width: 34em; }
.cap .out { display: flex; flex-direction: column; gap: 8px; }
.cap .out .label { color: var(--mute-l); }
.cap .out span:last-child { font-size: 16px; }

/* ---------- Dark sections ---------- */
.dark { background: var(--ink); color: var(--text-d); border-top: 1px solid var(--rule-d2); }

.method { position: relative; }
.band {
  display: flex; justify-content: space-between; align-items: center;
  border: 1px solid var(--rule-d);
  padding: 14px 20px; color: var(--mute-d);
}
.band b { color: var(--text-d); font-weight: 500; }
.steps {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-left: 1px solid var(--rule-d); border-right: 1px solid var(--rule-d);
}
.step { padding: 28px 20px 36px; border-right: 1px solid var(--rule-d2); position: relative; }
.step:last-child { border-right: 0; }
.step .n { font-family: var(--mono); font-size: 12px; color: var(--mute-d); letter-spacing: .1em; }
.step h3 {
  font-size: 22px; font-weight: 500; font-stretch: 85%;
  letter-spacing: -0.01em; line-height: 1.1;
  margin: 48px 0 12px;
}
.step p { color: var(--mute-d); font-size: 15px; }
.step .grp {
  position: absolute; top: 28px; right: 20px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mute-d);
}
.assess-bar {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-left: 1px solid var(--rule-d); border-right: 1px solid var(--rule-d);
}
.assess-bar span {
  grid-column: 2 / span 3;
  border-top: 1px solid var(--text-d);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 8px 20px; color: var(--text-d);
}
.method-note {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(24px, 4vw, 64px); margin-top: 56px; color: var(--mute-d);
}
.method-note p { max-width: 40em; }

/* legal */
.norms { border-top: 1px solid var(--text-l); }
.norm {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 4fr) minmax(0, 5fr);
  gap: clamp(20px, 4vw, 64px);
  padding: 28px 0; border-bottom: 1px solid var(--rule-l);
}
.norm .code { font-family: var(--mono); font-size: 13px; font-weight: 500; letter-spacing: .04em; }
.norm h3 { font-size: 19px; font-weight: 500; letter-spacing: -0.005em; }
.norm p { color: var(--mute-l); font-size: 16px; }

.notice {
  margin-top: 56px;
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(24px, 4vw, 64px);
  background: var(--ink); color: var(--text-d);
  padding: clamp(28px, 4vw, 48px);
}
.notice .label { color: var(--mute-d); display: flex; gap: 10px; align-items: center; height: fit-content; }
.notice p { font-size: clamp(17px, 1.5vw, 21px); line-height: 1.5; max-width: 38em; }
.notice p + p { margin-top: 16px; color: var(--mute-d); font-size: 15px; }

/* contact */
.contact .wrap { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(24px, 4vw, 64px); }
.contact .label { color: var(--mute-d); padding-top: 14px; }
.mail {
  display: inline-block;
  font-size: clamp(32px, 6vw, 92px);
  font-weight: 500; font-stretch: 78%;
  letter-spacing: -0.025em; line-height: 1;
  text-decoration: none;
  border-bottom: 1px solid var(--rule-d);
  padding-bottom: 12px;
  margin-top: 28px;
  transition: border-color .25s;
  word-break: break-word;
}
.mail:hover { border-color: var(--text-d); }
.contact p { color: var(--mute-d); max-width: 34em; }

/* footer */
.foot { background: var(--ink); border-top: 1px solid var(--rule-d2); color: var(--mute-d); }
.foot .wrap {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr);
  gap: 32px; padding-top: 56px; padding-bottom: 40px; align-items: end;
}
.foot .lockup { color: var(--text-d); width: 120px; }
.foot .lockup .sym { width: 52px; margin-bottom: 14px; }
.foot .lockup .wm { width: 120px; }
.foot nav { display: flex; gap: 28px; flex-wrap: wrap; font-size: 14px; }
.foot nav a { text-decoration: none; }
.foot nav a:hover { color: var(--text-d); }
.made { text-align: right; color: var(--text-d); }
.made .co { display: inline-flex; vertical-align: middle; width: 18px; height: 12px; margin-right: 10px; flex-direction: column; }
.made .co i { display: block; }
.made .co i:nth-child(1) { flex: 2; background: #FCD116; }
.made .co i:nth-child(2) { flex: 1; background: #003893; }
.made .co i:nth-child(3) { flex: 1; background: #CE1126; }
.legal-line {
  grid-column: 1 / -1; border-top: 1px solid var(--rule-d2);
  padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ---------- Doc pages ---------- */
.doc { padding: clamp(56px, 8vw, 120px) 0; }
.doc .wrap { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 7fr) minmax(0, 2fr); gap: clamp(24px, 4vw, 64px); }
.doc aside .label { color: var(--mute-l); position: sticky; top: 96px; display: flex; flex-direction: column; gap: 10px; }
.doc aside a { text-decoration: none; color: var(--mute-l); }
.doc aside a:hover { color: var(--text-l); }
.doc h1 { font-size: clamp(40px, 5vw, 72px); font-weight: 500; font-stretch: 80%; letter-spacing: -0.02em; line-height: 1; margin-bottom: 20px; }
.doc .meta { color: var(--mute-l); margin-bottom: 56px; }
.doc h2 { font-size: 24px; font-weight: 500; letter-spacing: -0.01em; margin: 56px 0 16px; padding-top: 20px; border-top: 1px solid var(--text-l); }
.doc p, .doc li { color: #2B3036; margin-bottom: 14px; max-width: 42em; }
.doc ul { margin: 0 0 14px; }
.doc ul li { padding-left: 20px; position: relative; margin-bottom: 8px; }
.doc ul li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 1px; background: var(--text-l); }

.nf { min-height: calc(100svh - 64px); display: flex; align-items: center; }
.nf .code { font-family: var(--mono); color: var(--mute-d); }
.nf h1 { font-size: clamp(48px, 8vw, 120px); font-weight: 500; font-stretch: 78%; letter-spacing: -0.03em; line-height: .95; margin: 20px 0 32px; }

/* ---------- Reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.rv.in { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { gap: 22px; }
  .status .label-long { display: none; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step { border-bottom: 1px solid var(--rule-d2); }
  .step:nth-child(2n) { border-right: 0; }
  .step:last-child { grid-column: 1 / -1; }
  .assess-bar { display: none; }
  .step .grp { position: static; display: block; margin-top: 10px; }
  .step h3 { margin-top: 28px; }
}

@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav, .status { display: none; }
  .menu-btn { display: block; }
  .top.open .nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--ink); border-bottom: 1px solid var(--rule-d);
    padding: 8px var(--gut) 20px;
  }
  .top.open .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule-d2); color: var(--text-d); font-size: 17px; }

  .hero .wrap { grid-template-columns: 1fr; min-height: 0; padding-top: 40px; }
  .hero-copy { padding-bottom: 8px; }
  .hero-plan { border-left: 0; margin: 0 calc(var(--gut) * -1); }
  .plan-head, .plan-foot { padding-left: var(--gut); padding-right: var(--gut); }
  .plan-foot span:last-child { display: none; }

  .sec-head, .method-note, .notice, .contact .wrap { grid-template-columns: 1fr; gap: 20px; }
  .sec-head .label, .contact .label { padding-top: 0; }
  .principles { grid-template-columns: 1fr; margin-left: 0; }
  .principles li, .principles li + li { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--rule-l); }
  .cap, .norm { grid-template-columns: 1fr; gap: 12px; }
  .cap { padding: 28px 0 32px; }
  .cap .out { margin-top: 8px; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; }
  .step:last-child { grid-column: auto; }
  .band { flex-direction: column; align-items: flex-start; gap: 6px; }

  .foot .wrap { grid-template-columns: 1fr; align-items: start; }
  .made { text-align: left; }
  .doc .wrap { grid-template-columns: 1fr; }
  .doc aside { display: none; }
  .ticker .wrap { gap: 10px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv { opacity: 1; transform: none; }
}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.notice p.label { font-size: 11.5px; line-height: 1.4; margin: 0; color: var(--mute-d); }
.light + .light { border-top: 1px solid var(--rule-l); }