/* Veyl Physical — instrument register.
   Display/body: Inter variable. Data/labels: IBM Plex Mono, matching the
   uppercase mono label voice already used on the software site (veyl.css). */

@font-face {
  font-family: "Veyl Sans";
  src: url("fonts/83afe278b6a6bb3c-s.p.0q-301v4kxxnr.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Veyl Mono";
  src: url("fonts/99e609270109b47d-s.p.16-z~2sp29ex6.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  /* Surfaces */
  --paper: #f2f1ec;
  --paper-2: #e8e7e0;
  --night: #14160f;
  --night-2: #1d1f19;
  --night-3: #262922;

  /* Ink */
  --ink: #101210;
  --muted: #585b54;
  --line: rgba(16, 18, 16, .15);
  --line-strong: rgba(16, 18, 16, .3);
  --on-night: #f2f1ec;
  --on-night-2: rgba(242, 241, 236, .66);
  --on-night-3: rgba(242, 241, 236, .6);
  --line-night: rgba(242, 241, 236, .16);

  /* Signal: the thermal poles. Cold reads nominal, hot reads exception. */
  --hot: #f4581e;
  --hot-lift: #ff6a30;
  --hot-ink: #b23a0c; /* the same signal, darkened to clear 4.5:1 on paper */
  --cold: #2c4a63;
  --thermal: linear-gradient(90deg, #1d3346, #3f4560, #8b4f56, var(--hot), #ffb27a);

  /* Type */
  --sans: "Veyl Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Veyl Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Rhythm */
  --shell: min(1440px, calc(100% - 64px));
  --band: clamp(96px, 10vw, 168px);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -.014em;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; }
img, svg { display: block; }
h1, h2, h3 { font-weight: 500; }
::selection { color: var(--ink); background: var(--hot); }

/* The focus ring inverts with the surface, so it never lands on its own colour. */
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 1px;
}
.mission-feature :focus-visible,
.mission-card :focus-visible { outline-color: var(--on-night); }

[id] { scroll-margin-top: 104px; }

/* Same grain as the software site, at a whisper. */
.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 120;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--hot);
  text-decoration: none;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.shell { width: var(--shell); margin-inline: auto; }

/* The data voice: every label, index, and readout on the page. */
.mono,
.eyebrow,
.section-label,
.mission-index,
.step-number,
.rail-item,
.spec dt,
.card-top,
.copyright,
.own-head {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-variant-numeric: normal;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(242, 241, 236, .82);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.site-header.stuck { border-bottom-color: var(--line); }
.header-inner {
  height: 84px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  width: max-content;
  gap: 12px;
  text-decoration: none;
}
.brand-name {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.055em;
}
.brand-division {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--muted);
}
.header-nav { display: flex; gap: 32px; }
.header-nav a {
  position: relative;
  padding: 6px 0;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s ease;
}
.header-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.header-nav a:hover { color: var(--ink); }
.header-nav a:hover::after { transform: scaleX(1); }
.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  text-decoration: none;
}
.header-cta span { transition: transform .25s var(--ease); }
.header-cta:hover span { transform: translate(2px, -2px); }
.nav-rail { display: none; }

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

.hero {
  padding: clamp(52px, 6vw, 88px) 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  column-gap: 64px;
  row-gap: clamp(44px, 5vw, 68px);
  align-items: end;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(24px, 3vw, 38px);
  color: var(--muted);
}
.hero h1 {
  margin: 0;
  font-size: clamp(58px, 6.7vw, 112px);
  line-height: .93;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.hero-title-line { display: block; }
.hero-side { padding-bottom: 6px; }
.hero-side p {
  max-width: 380px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.4;
  letter-spacing: -.022em;
}
/* Hairline links keep their thin underline; the hit area is grown invisibly. */
.text-link,
.header-cta,
.footer-links a { position: relative; }
.text-link::before,
.header-cta::before,
.footer-links a::before {
  content: "";
  position: absolute;
  inset: -11px -6px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-size: 13px;
}
.text-link span { transition: transform .25s var(--ease); }
.text-link:hover span { transform: translateY(3px); }

.hero-visual {
  position: relative;
  grid-column: 1 / -1;
  height: min(64vw, 800px);
  min-height: 520px;
  margin: 0;
  overflow: hidden;
  background: #d9ddd9;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Scrim only where the card sits, so the sky stays clean. */
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(12, 15, 12, .34), rgba(12, 15, 12, 0) 46%);
}

.mission-card {
  position: absolute;
  left: 28px;
  bottom: 28px;
  z-index: 2;
  width: min(400px, calc(100% - 56px));
  padding: 22px;
  color: var(--on-night);
  background: rgba(15, 17, 14, .82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, .16);
}
.card-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 16px;
  color: var(--on-night-2);
  border-bottom: 1px solid var(--line-night);
}
.mission-card > p {
  margin: 20px 0 24px;
  font-size: 24px;
  line-height: 1.12;
  letter-spacing: -.035em;
}
.mission-card dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0;
}
.mission-card dt {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .11em;
  color: var(--on-night-3);
}
.mission-card dd { margin: 7px 0 0; font-size: 12px; }

/* Instrument rail: the readout the photo implies, set where it stays legible. */
.hero-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}
.rail-item {
  padding: 18px 0 17px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.rail-item b {
  display: block;
  margin-top: 9px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: -.01em;
}

/* ------------------------------------------------------------- statement */

.statement {
  padding: var(--band) 0 clamp(72px, 8vw, 112px);
  display: grid;
  grid-template-columns: 170px minmax(0, 1.45fr) minmax(260px, .55fr);
  gap: 40px;
  align-items: start;
}
.section-label { padding-top: 12px; color: var(--muted); }
.statement h2,
.section-head h2,
.managed h2,
.pilot h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 74px);
  line-height: .98;
  letter-spacing: -.05em;
  text-wrap: balance;
}
.statement-copy {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -.018em;
}

/* ------------------------------------------------------- mission flow --- */

.mission-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
/* The four stages carry the thermal ramp, coldest launch to hottest finding —
   the same cold→hot scale the energy card legends. */
.flow-step {
  --stage-fill: #88a4ba;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 372px;
  padding: 22px 26px 32px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}
.flow-step:nth-child(2) { --stage-fill: #947da5; }
.flow-step:nth-child(3) { --stage-fill: #b49d86; }
.flow-step:nth-child(4) { --stage-fill: #d9785d; }
.flow-step:last-child { border-right: 0; }
.flow-step::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--stage-fill);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform .6s var(--ease);
}
.flow-step:hover::before { transform: scaleY(1); }
.flow-step > * { position: relative; }
.step-number { color: var(--muted); transition: color .35s ease; }
.step-icon {
  width: 52px;
  height: 52px;
  margin: 52px 0 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color .35s ease, background-color .35s ease;
}
.step-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke .35s ease;
}
.flow-step h3 {
  margin: auto 0 10px;
  font-size: 24px;
  letter-spacing: -.035em;
  transition: color .35s ease;
}
/* Equal text block heights keep all four headings on one baseline. */
.flow-step p {
  min-height: 4.5em;
  margin: 0;
  max-width: 260px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  transition: color .35s ease;
}
/* On the fill, hierarchy comes from scale rather than colour, so every
   line clears 4.5:1 against all four stage tints. */
.flow-step:hover .step-number,
.flow-step:hover h3,
.flow-step:hover p { color: var(--ink); }
.flow-step:hover .step-icon { border-color: var(--ink); background: var(--ink); }
.flow-step:hover .step-icon svg { stroke: var(--stage-fill); }

/* --------------------------------------------------- operating envelope - */

.envelope { padding: var(--band) 0 0; }
.envelope .section-head { margin-bottom: clamp(40px, 4vw, 60px); }
.spec {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(28px, 4vw, 64px);
  margin: 0;
  border-top: 1px solid var(--line-strong);
}
.spec > div {
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--line);
}
.spec dt { color: var(--muted); }
.spec dd {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.4;
  letter-spacing: -.022em;
}
.envelope-note {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

/* --------------------------------------------------------------- missions */

.missions { padding: var(--band) 0; }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, .5fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
  margin-bottom: clamp(44px, 5vw, 72px);
}
.section-head .section-label { padding-top: 0; margin-bottom: clamp(22px, 3vw, 34px); }
.section-head > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}
.mission-grid {
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  grid-template-rows: repeat(2, minmax(330px, auto));
  gap: 10px;
}
/* Three explicit rows per card mean a decoration can never land on the copy. */
.mission-feature {
  position: relative;
  overflow: hidden;
  padding: 26px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 24px;
  color: var(--on-night);
  background: var(--night-3);
}
.mission-feature-primary { grid-row: 1 / 3; background: var(--night); }
.mission-index { color: var(--on-night-3); }
.mission-feature h3 {
  max-width: 700px;
  margin: 0 0 14px;
  font-size: clamp(27px, 3vw, 48px);
  line-height: 1.03;
  letter-spacing: -.048em;
}
.mission-feature:not(.mission-feature-primary) h3 {
  max-width: 470px;
  font-size: clamp(24px, 2.1vw, 33px);
}
.mission-feature p {
  max-width: 480px;
  margin: 0;
  color: var(--on-night-2);
  font-size: 14px;
  line-height: 1.55;
}
/* Floor the height so an absolutely-placed diagram can never spill onto the copy. */
.mission-visual { position: relative; min-height: 96px; }

/* A real grid asset, subdued so the mission remains the focal point. */
.mission-feature-primary .mission-visual {
  min-height: 250px;
  margin: -4px -26px -18px;
}
.grid-mission-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
  opacity: .58;
  filter: saturate(.58) contrast(1.06);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 14%, #000 60%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 14%, #000 60%, transparent 100%);
}

/* Thermal ramp as a legend rather than a rainbow. */
.ramp {
  position: absolute;
  right: 0;
  top: 4px;
  width: min(200px, 62%);
}
.ramp-bar {
  display: block;
  height: 8px;
  background: var(--thermal);
}
.ramp-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  color: var(--on-night-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .11em;
}

/* Dock → route → dock. */
.route-map { position: absolute; inset: auto 0 0 0; }
.route-map svg { width: 100%; height: auto; overflow: visible; }
.route-map path {
  fill: none;
  stroke: var(--hot);
  stroke-width: 1.5;
  stroke-dasharray: 6 7;
  animation: crawl 2.4s linear infinite;
}
@keyframes crawl { to { stroke-dashoffset: -26; } }
.route-map circle { fill: var(--hot); }
.route-map .dock { fill: none; stroke: rgba(242, 241, 236, .5); stroke-width: 1.5; }

/* ------------------------------------------------------------ field guide */

.field-guide {
  padding: var(--band) 0;
  border-top: 1px solid var(--line);
}
.field-guide .section-head { margin-bottom: clamp(44px, 5vw, 72px); }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.guide-grid article {
  min-height: 270px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}
.guide-grid article:last-child { border-right: 0; }
.guide-number {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .13em;
}
.guide-grid h3 {
  margin: auto 0 12px;
  font-size: clamp(21px, 1.8vw, 29px);
  line-height: 1.08;
  letter-spacing: -.035em;
}
.guide-grid p,
.guide-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}
.guide-copy {
  margin-top: clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 5vw, 72px);
}
.guide-copy article { border-top: 1px solid var(--line-strong); padding-top: 22px; }
.guide-copy h3 {
  margin: 0 0 18px;
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.guide-copy a { text-underline-offset: 3px; }
.guide-note {
  max-width: 700px;
  margin: 42px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ------------------------------------------------------------ ownership - */

.managed { padding: var(--band) 0; border-top: 1px solid var(--line); }
.managed .section-head { margin-bottom: clamp(36px, 4vw, 56px); }

/* Two facing panels: the dark side is the load Veyl carries, the light side
   is what stays with the operator. The contrast is the point. */
.ownership { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.own-card {
  --own-fill: #c5a68f;
  position: relative;
  isolation: isolate;
  min-height: 620px;
  padding: clamp(28px, 3vw, 46px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper-2);
}
.own-you { --own-fill: #9fb3c3; }
.own-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--own-fill);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .7s var(--ease);
}
@media (hover: hover) {
  .own-card:hover::before { transform: scaleY(1); }
}
.own-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.own-head { margin: 0; color: var(--muted); }
.own-symbol {
  flex: none;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  background: var(--own-fill);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  transition: background-color .35s ease, border-color .35s ease;
}
.own-card:hover .own-symbol {
  background: rgba(242, 241, 236, .82);
  border-color: rgba(16, 18, 16, .48);
}
.own-lede {
  max-width: 13ch;
  margin: clamp(54px, 7vw, 96px) 0 clamp(48px, 6vw, 80px);
  font-size: clamp(32px, 3.2vw, 50px);
  line-height: 1.02;
  letter-spacing: -.048em;
}
.own-card ul { margin: auto 0 0; padding: 0; list-style: none; }
.own-card li {
  display: grid;
  grid-template-columns: minmax(88px, .28fr) 1fr;
  gap: 22px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px solid rgba(16, 18, 16, .2);
}
.own-card li span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.own-card li strong {
  font-size: clamp(14px, 1.05vw, 16px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -.018em;
}
.managed > .text-link { margin-top: clamp(32px, 3vw, 44px); }
.managed .text-link:hover span { transform: translate(2px, -2px); }

/* ------------------------------------------------------------------ pilot */

.pilot {
  padding: 0;
  color: var(--ink);
  background: #c9aa92;
}
.pilot-grid {
  padding: clamp(72px, 8vw, 118px) 0;
}
.pilot-header {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .6fr);
  gap: clamp(64px, 9vw, 140px);
  align-items: end;
}
.pilot .section-label {
  padding-top: 0;
  margin-bottom: clamp(30px, 4vw, 52px);
  color: rgba(16, 18, 16, .58);
}
.pilot h2 {
  max-width: 920px;
  font-size: clamp(50px, 6.2vw, 92px);
  line-height: .94;
}
.pilot-status {
  width: max-content;
  margin: 0 0 34px;
  padding: 11px 14px;
  display: inline-flex;
  gap: 16px;
  align-items: center;
  color: rgba(16, 18, 16, .54);
  background: rgba(242, 241, 236, .5);
  border: 1px solid rgba(16, 18, 16, .16);
}
.pilot-status b { color: var(--ink); font-weight: 400; }
.pilot-body > p {
  max-width: 460px;
  margin: 0 0 36px;
  color: rgba(16, 18, 16, .7);
  font-size: 17px;
  line-height: 1.55;
}
.pilot-steps {
  margin: clamp(64px, 8vw, 112px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  border-top: 1px solid rgba(16, 18, 16, .28);
  border-bottom: 1px solid rgba(16, 18, 16, .28);
}
.pilot-steps li {
  position: relative;
  isolation: isolate;
  min-height: 260px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid rgba(16, 18, 16, .24);
}
.pilot-steps li:last-child { border-right: 0; }
.pilot-steps li::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(242, 241, 236, .68);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .62s var(--ease);
}
@media (hover: hover) {
  .pilot-steps li:hover::before { transform: scaleY(1); }
}
.pilot-step-number {
  color: rgba(16, 18, 16, .52);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.pilot-steps strong {
  margin-top: auto;
  font-size: clamp(21px, 1.8vw, 27px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.035em;
}
.pilot-steps p {
  max-width: 27ch;
  min-height: 3.2em;
  margin: 14px 0 0;
  color: rgba(16, 18, 16, .66);
  font-size: 14px;
  line-height: 1.55;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
  min-width: 248px;
  padding: 17px 20px;
  color: var(--on-night);
  background: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: background-color .2s ease, transform .2s var(--ease);
}
.button:hover { background: #262922; transform: translateY(-2px); }
.button span { transition: transform .25s var(--ease); }
.button:hover span { transform: translate(2px, -2px); }

/* -------------------------------------------------------------------- faq */

.faq { padding: var(--band) 0; }
.faq > .section-label { display: block; padding-top: 0; margin: 0 0 clamp(28px, 3vw, 44px); font-weight: 400; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(32px, 5vw, 80px); }
.faq details { border-top: 1px solid var(--line); }
.faq summary {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  letter-spacing: -.025em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 11px;
  height: 11px;
  background:
    linear-gradient(var(--muted), var(--muted)) center/11px 1px no-repeat,
    linear-gradient(var(--muted), var(--muted)) center/1px 11px no-repeat;
  transition: transform .3s var(--ease);
}
.faq details.faq-open summary::after { transform: rotate(135deg); }
.faq-answer {
  overflow: hidden;
}
.js .faq-answer { height: 0; opacity: 0; }
.faq-answer-inner { min-height: 0; }
.faq details p {
  max-width: 60ch;
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

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

.site-footer {
  padding: clamp(48px, 5vw, 64px) 0 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr auto;
  gap: clamp(40px, 6vw, 80px) 24px;
  border-top: 1px solid var(--line);
}
.footer-brand > span {
  display: block;
  font-size: clamp(56px, 8vw, 118px);
  line-height: .82;
  font-weight: 500;
  letter-spacing: -.065em;
}
.footer-brand p { margin: 22px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; align-items: flex-start; gap: 30px; }
.footer-links a { padding: 4px 0; font-size: 12px; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.copyright { grid-column: 1 / -1; margin: 0; color: var(--muted); }

/* ----------------------------------------------------------- scroll reveal */

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  transition-delay: var(--d, 0ms);
}
.js .reveal.in { opacity: 1; transform: none; }

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

@media (max-width: 1100px) {
  :root { --shell: min(100% - 40px, 1440px); }
  .hero { grid-template-columns: 1fr 320px; column-gap: 44px; }
  .statement { grid-template-columns: 130px minmax(0, 1.2fr) minmax(0, .65fr); gap: 32px; }
  .mission-flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(2) { border-right: 0; }
  .flow-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .spec { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid article:nth-child(2) { border-right: 0; }
  .guide-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .guide-copy { grid-template-columns: 1fr; }
  .pilot-header { grid-template-columns: 1fr; gap: 48px; }
  .pilot-steps { grid-template-columns: repeat(2, 1fr); }
  .pilot-steps li:nth-child(2) { border-right: 0; }
  .pilot-steps li:nth-child(-n+2) { border-bottom: 1px solid rgba(16, 18, 16, .24); }
}

@media (max-width: 1280px) and (min-width: 761px) {
  .hero-title-line { display: inline; }
}

/* Side-by-side mission cards stop working well before the card gets narrow. */
@media (max-width: 1000px) {
  .mission-grid { grid-template-columns: 1fr; grid-template-rows: none; }
  .mission-feature-primary { grid-row: auto; min-height: 520px; }
  .mission-feature { min-height: 400px; }
  .hero-rail { grid-template-columns: repeat(2, 1fr); column-gap: 24px; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100% - 28px); --band: clamp(80px, 14vw, 110px); }
  .header-inner { height: 64px; grid-template-columns: 1fr auto; }
  .header-nav { display: none; }
  .brand-name { font-size: 19px; }
  .header-cta { font-size: 12px; gap: 10px; }

  /* Section links stay reachable on small screens instead of disappearing,
     then fold away on scroll so the sticky header stays shallow. */
  .nav-rail {
    display: flex;
    align-items: stretch;
    gap: 26px;
    max-height: 52px;
    padding: 8px 0;
    overflow-x: auto;
    scrollbar-width: none;
    border-top: 1px solid var(--line);
    transition: max-height .3s var(--ease), padding .3s var(--ease), opacity .2s ease;
  }
  .nav-rail::-webkit-scrollbar { display: none; }
  .site-header.stuck .nav-rail {
    max-height: 0;
    padding: 0;
    opacity: 0;
    border-top-color: transparent;
  }
  .nav-rail a {
    flex: none;
    display: flex;
    align-items: center;
    padding: 8px 0;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .14em;
    text-decoration: none;
  }

  .hero { padding-top: 44px; grid-template-columns: 1fr; row-gap: 34px; }
  .hero h1 { font-size: clamp(46px, 13.5vw, 74px); line-height: .92; }
  .hero-side { padding-bottom: 0; }
  .hero-side p { max-width: 520px; }
  .hero-visual { grid-column: 1; min-height: 460px; height: 108vw; max-height: 620px; }
  .hero-visual img { object-position: 74% center; }
  .mission-card { left: 12px; bottom: 12px; width: calc(100% - 24px); padding: 18px; }
  .mission-card > p { font-size: 21px; margin: 18px 0 20px; }
  .rail-item { padding: 15px 0 14px; }

  .statement { grid-template-columns: 1fr; gap: 22px; }
  .section-label { padding-top: 0; }
  .statement h2, .section-head h2, .managed h2, .pilot h2 { font-size: clamp(36px, 11vw, 56px); }
  .statement-copy { font-size: 16px; }

  .mission-flow { grid-template-columns: 1fr; }
  .flow-step { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .flow-step:last-child { border-bottom: 0; }
  /* No hover on touch, so the stage colour lives in the medallion instead. */
  .step-icon { margin-top: 34px; border-color: var(--stage-fill); background: var(--stage-fill); }
  .flow-step h3 { margin-top: 34px; }
  .flow-step p { min-height: 0; max-width: 460px; }

  .spec { grid-template-columns: 1fr; }
  .spec > div { padding: 20px 0 22px; }
  .ownership { grid-template-columns: 1fr; }
  .own-card { min-height: 560px; }
  .own-lede { margin: 50px 0 54px; }
  .own-card li { grid-template-columns: 82px 1fr; gap: 16px; }
  .spec dd { font-size: 17px; }

  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .mission-feature { min-height: 0; padding: 22px; gap: 20px; }
  .mission-feature-primary { min-height: 470px; }
  .ramp { width: 74%; }

  .guide-grid { grid-template-columns: 1fr; }
  .guide-grid article,
  .guide-grid article:nth-child(2) {
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .guide-grid article:last-child { border-bottom: 0; }

  [id] { scroll-margin-top: 78px; }
  .pilot-grid { padding: 72px 0; }
  .pilot-body > p { font-size: 16px; }
  .pilot-steps { grid-template-columns: 1fr; margin-top: 64px; }
  .pilot-steps li { min-height: 220px; border-right: 0; border-bottom: 1px solid rgba(16, 18, 16, .24); }
  .pilot-steps li:nth-child(2) { border-bottom: 1px solid rgba(16, 18, 16, .24); }
  .pilot-steps li:last-child { border-bottom: 0; }
  .pilot-steps p { min-height: 0; }
  .button { width: 100%; gap: 20px; }

  .faq-grid { grid-template-columns: 1fr; }
  .faq summary { font-size: 16px; min-height: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { flex-wrap: wrap; }
  .copyright { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}