:root {
  --bg: #090b0e;
  --bg-raised: #0e1115;
  --surface: #14181d;
  --surface-strong: #1a1f25;
  --text: #ffffff;
  --muted: #a8afb8;
  --quiet: #727a84;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.28);
  --red: #ff2121;
  --red-dark: #d80f18;
  --success: #4bd68b;
  --error: #ff7676;
  --max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --section: clamp(76px, 9vw, 138px);
  --display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; }

button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid rgba(255, 33, 33, 0.72);
  outline-offset: 4px;
}

::selection { background: var(--red); color: white; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: white;
  color: #090b0e;
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

.shell {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(9, 11, 14, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand img { width: 152px; height: auto; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.4vw, 38px);
}

.site-nav a {
  position: relative;
  color: #d7dbe0;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -12px;
  left: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover, .site-nav a[aria-current="page"] { color: white; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta, .button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 0;
  padding: 0 21px;
  background: var(--red);
  color: white !important;
  font-size: 14px;
  font-weight: 760;
  line-height: 1;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.nav-cta { min-height: 46px; padding-inline: 20px; }
.button:hover, .nav-cta:hover { background: var(--red-dark); transform: translateY(-2px); }
.button::after { content: "→"; font-size: 18px; }
.button.secondary { background: transparent; border-color: var(--line-strong); clip-path: none; }
.button.secondary:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.54); }
.button.secondary::after { content: none; }
.button.small { min-height: 44px; padding-inline: 17px; }

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: white;
  cursor: pointer;
}

.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  content: "";
  display: block;
  width: 21px;
  height: 1.5px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span { margin-block: 5px; }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-6.5px) rotate(-45deg); }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: min(760px, calc(100vh - 92px));
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: clamp(42px, 5vw, 82px);
  padding-block: clamp(72px, 8vw, 120px);
}

.hero-copy { position: relative; z-index: 2; }

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 630;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(52px, 6.5vw, 98px);
  line-height: .96;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.02;
}

h3 { margin-bottom: 10px; font-size: clamp(22px, 2vw, 29px); line-height: 1.15; }

.hero-lead, .page-lead {
  max-width: 720px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}

.actions { display: flex; flex-wrap: wrap; gap: 13px; }

.hero-media {
  position: relative;
  align-self: stretch;
  min-height: 520px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.82) contrast(1.03);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg) 0%, transparent 18%, transparent 88%, var(--bg) 100%);
  pointer-events: none;
}

.hero-index {
  position: absolute;
  right: var(--gutter);
  bottom: 28px;
  color: var(--quiet);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.statement { padding-block: clamp(74px, 9vw, 132px); border-bottom: 1px solid var(--line); }
.statement-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(36px, 8vw, 130px); align-items: start; }
.section-label { display: flex; align-items: center; gap: 13px; color: var(--quiet); font-size: 11px; font-weight: 760; letter-spacing: .18em; text-transform: uppercase; }
.section-label::before { content: ""; width: 19px; height: 8px; background: var(--red); transform: skewX(-38deg); }
.statement-copy { max-width: 900px; margin: 0; font-family: var(--display); font-size: clamp(28px, 3.6vw, 52px); font-weight: 520; letter-spacing: -.035em; line-height: 1.17; }
.statement-copy strong { color: var(--red); font-weight: inherit; }

.section { padding-block: var(--section); border-bottom: 1px solid var(--line); }
.section.alt { background: var(--bg-raised); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .55fr); gap: 48px; align-items: end; margin-bottom: clamp(44px, 6vw, 80px); }
.section-head h2 { margin-bottom: 0; }
.section-intro { margin: 0; color: var(--muted); font-size: 18px; }

.capability-list { border-top: 1px solid var(--line); }
.capability-row {
  display: grid;
  grid-template-columns: 76px minmax(210px, .75fr) minmax(280px, 1.25fr) 28px;
  gap: clamp(20px, 4vw, 58px);
  align-items: center;
  padding-block: 29px;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease, padding 180ms ease;
}
.capability-row:hover { background: rgba(255,255,255,.025); padding-inline: 16px; }
.capability-row .number { color: var(--quiet); font-family: var(--display); font-size: 18px; letter-spacing: .06em; }
.capability-row h3 { margin: 0; font-size: clamp(21px, 2.2vw, 30px); }
.capability-row p { margin: 0; color: var(--muted); }
.capability-row .arrow { color: var(--red); font-size: 24px; transition: transform 180ms ease; }
.capability-row:hover .arrow { transform: translateX(5px); }

.range-section { background: #0b0e11; }
.range-grid {
  display: grid;
  grid-template-columns: minmax(430px, .86fr) minmax(0, 1.14fr);
  align-items: stretch;
  border-block: 1px solid var(--line);
}
.range-copy { padding: clamp(38px, 4vw, 58px) clamp(30px, 3.5vw, 54px) clamp(38px, 4vw, 58px) 0; }
.range-copy h2 { max-width: 620px; font-size: clamp(42px, 4.2vw, 62px); }
.range-copy > p { max-width: 620px; margin-bottom: 0; color: var(--muted); font-size: 18px; }
.range-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.range-list span {
  position: relative;
  min-height: 88px;
  display: flex;
  align-items: center;
  padding: 18px 16px 18px 32px;
  border-right: 1px solid var(--line);
  color: #dce0e4;
  font-size: 13px;
}
.range-list span:last-child { border-right: 0; }
.range-list span::before { content: ""; position: absolute; top: 50%; left: 14px; width: 9px; height: 2px; background: var(--red); }
.range-media { position: relative; min-height: 530px; margin: 0; overflow: hidden; border-left: 1px solid var(--line); background: #080a0d; }
.range-media img { width: 100%; height: 100%; object-fit: cover; }
.range-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,14,17,.72), transparent 18%); pointer-events: none; }
.range-media figcaption, .capability-media figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: rgba(6,8,10,.88);
  color: #c7ccd1;
  font-size: 12px;
  letter-spacing: .02em;
  backdrop-filter: blur(10px);
}
.engineering-bridge {
  display: grid;
  grid-template-columns: minmax(250px, .85fr) minmax(280px, 1fr) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin-top: clamp(34px, 5vw, 62px);
  padding-block: 30px;
  border-block: 1px solid var(--line);
}
.engineering-bridge .number { display: block; margin-bottom: 9px; color: var(--red); font-size: 11px; font-weight: 760; letter-spacing: .16em; }
.engineering-bridge h3 { margin: 0; font-size: clamp(23px, 2.6vw, 34px); }
.engineering-bridge p { margin: 0; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 13px; width: fit-content; color: white; font-size: 14px; font-weight: 720; text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 5px; }
.text-link span { color: var(--red); font-size: 18px; transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(5px); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(46px, 8vw, 120px); align-items: center; }
.split-copy p { color: var(--muted); font-size: 18px; }
.plain-list { margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.plain-list li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; padding-block: 15px; border-bottom: 1px solid var(--line); color: #d9dde1; }
.plain-list li::before { content: "↳"; color: var(--red); }

.tech-panel {
  position: relative;
  min-height: 510px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0b0e11;
}
.tech-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom right, black, transparent 78%);
}
.tech-mark { position: relative; width: min(62%, 330px); opacity: .95; }
.tech-data { position: absolute; right: 24px; bottom: 20px; color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }

.process-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-step { position: relative; min-height: 260px; padding: 26px clamp(18px, 2vw, 30px); border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-step .number { display: block; margin-bottom: 72px; color: var(--red); font-family: var(--display); font-size: 15px; }
.process-step h3 { font-size: 21px; }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; }

.industry-rail { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.industry-item { min-height: 230px; padding: 27px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.industry-item:nth-child(3n) { border-right: 0; }
.industry-item h3 { font-size: 22px; }
.industry-item p { margin: 0; color: var(--muted); }
.industry-item .line-icon { width: 42px; height: 42px; margin-bottom: 38px; color: var(--red); }
.line-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.cta-band { padding-block: clamp(60px, 7vw, 95px); background: var(--red); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 42px; color: white; }
.cta-inner h2 { max-width: 780px; margin: 0; font-size: clamp(38px, 5vw, 70px); }
.cta-inner .button { flex: 0 0 auto; background: #090b0e; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%); }
.cta-inner .button:hover { background: #20242a; }

.page-hero { padding-block: clamp(78px, 9vw, 132px); border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: 1.25fr .6fr; gap: clamp(48px, 8vw, 130px); align-items: end; }
.page-hero h1 { max-width: 980px; font-size: clamp(54px, 7vw, 104px); }
.page-hero .page-lead { margin-bottom: 0; }
.page-index { display: flex; align-items: flex-end; justify-content: flex-end; min-height: 180px; color: var(--quiet); font-family: var(--display); font-size: clamp(70px, 10vw, 150px); line-height: .8; letter-spacing: -.08em; }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.detail { min-height: 280px; padding: 34px clamp(24px, 4vw, 48px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.detail:nth-child(even) { border-right: 0; }
.detail .number { display: block; margin-bottom: 66px; color: var(--red); font-size: 13px; letter-spacing: .1em; }
.detail p { margin: 0; color: var(--muted); }
.detail .text-link { margin-top: 22px; }

.capability-media { position: relative; min-height: 500px; margin: clamp(42px, 6vw, 76px) 0 0; overflow: hidden; border: 1px solid var(--line); background: #080a0d; }
.capability-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.proof-strip > div { padding: 30px; border-right: 1px solid var(--line); }
.proof-strip > div:last-child { border-right: 0; }
.proof-strip strong { display: block; margin-bottom: 8px; font-family: var(--display); font-size: 20px; }
.proof-strip span { color: var(--muted); font-size: 14px; }

.content-grid { display: grid; grid-template-columns: minmax(220px, .42fr) minmax(0, 1fr); gap: clamp(42px, 8vw, 120px); }
.content-nav { position: sticky; top: 124px; align-self: start; }
.content-nav a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.content-nav a:hover { color: white; }
.prose { max-width: 820px; }
.prose h2 { margin-top: 64px; font-size: clamp(32px, 4vw, 52px); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 32px; font-size: 22px; letter-spacing: -.02em; }
.prose p, .prose li { color: var(--muted); }
.prose a { color: white; text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 4px; }
.prose .notice { padding: 18px 20px; border-left: 3px solid var(--red); background: var(--surface); color: #d8dce1; }

.rfq-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .42fr); gap: clamp(50px, 8vw, 120px); align-items: start; }
.rfq-aside { position: sticky; top: 126px; padding-top: 52px; }
.rfq-aside .aside-mark { width: 180px; margin-bottom: 45px; opacity: .18; }
.rfq-aside h2 { font-size: 31px; }
.rfq-aside p, .rfq-aside li { color: var(--muted); font-size: 14px; }
.rfq-aside ul { margin: 22px 0 0; padding-left: 18px; }

.rfq-form { border-top: 1px solid var(--line); }
.form-section { padding-block: 42px; border-bottom: 1px solid var(--line); }
.form-section h2 { margin-bottom: 27px; font-size: 26px; letter-spacing: -.02em; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px 24px; }
.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 8px; color: #e7eaed; font-size: 13px; font-weight: 700; }
.required { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 13px 14px;
  background: #0b0e11;
  color: white;
  font-size: 15px;
  transition: border-color 150ms ease, background 150ms ease;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #606871; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(255,255,255,.44); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red); background: #101317; outline: none; box-shadow: 0 0 0 1px var(--red); }
.field small { display: block; margin-top: 8px; color: var(--quiet); font-size: 12px; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.consent { display: grid; grid-template-columns: 20px 1fr; gap: 13px; align-items: start; color: var(--muted); font-size: 13px; }
.consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--red); }
.form-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 30px; }
.form-actions .button { min-width: 180px; border: 0; }
.button[disabled] { opacity: .56; cursor: wait; transform: none; }
.form-status { min-height: 24px; margin: 0; color: var(--muted); font-size: 14px; }
.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: var(--error); }
.form-success { margin-top: 30px; padding: 28px; border: 1px solid rgba(75,214,139,.45); background: rgba(75,214,139,.06); }
.form-success h2 { margin-bottom: 10px; font-size: 28px; }
.form-success p { margin: 0; color: #cbd4cf; }

.site-footer { padding: 72px 0 30px; background: #06080a; }
.footer-grid { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(240px, 1.22fr) repeat(3, minmax(112px, .55fr)); gap: clamp(24px, 3vw, 44px); align-items: start; }
.footer-brand img { width: 166px; margin-bottom: 28px; }
.footer-brand p { max-width: 380px; color: var(--muted); }
.footer-place { display: flex; align-items: center; gap: 10px; margin-top: 24px; color: #c6cbd0; font-size: 11px; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.footer-place::before { content: ""; width: 14px; height: 2px; background: var(--red); }
.footer-map { border: 1px solid var(--line); background: #090b0e; }
.footer-map img { width: 100%; aspect-ratio: 720 / 460; object-fit: cover; }
.footer-map span { display: block; padding: 10px 12px; border-top: 1px solid var(--line); color: var(--quiet); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.site-footer h2 { margin-bottom: 18px; color: var(--red); font-family: var(--body); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.site-footer a { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 14px; }
.site-footer a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 62px; padding-top: 23px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 11px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 560ms ease, transform 560ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .header-inner { min-height: 80px; }
  .brand img { width: 132px; }
  .site-nav { gap: 17px; }
  .hero-grid { grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); min-height: 680px; }
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .process-step:nth-child(3) { border-right: 0; }
  .process-step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .range-list { grid-template-columns: repeat(3, 1fr); }
  .range-list span { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .range-list span:nth-child(3n) { border-right: 0; }
  .range-list span:nth-last-child(-n+3) { border-bottom: 0; }
  .footer-grid { grid-template-columns: minmax(170px, 1fr) minmax(220px, 1.2fr) repeat(3, minmax(100px, .6fr)); gap: 24px; }
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    inset: 81px 0 auto;
    display: none;
    min-height: calc(100vh - 81px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 28px var(--gutter) 50px;
    background: rgba(9,11,14,.985);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 21px; }
  .site-nav a::after { display: none; }
  .site-nav .nav-cta { margin-top: 24px; border: 0; padding: 0 20px; font-size: 15px; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 78px; }
  .hero-media { min-height: 440px; margin-inline: calc(var(--gutter) * -1); }
  .hero-media::after { background: linear-gradient(180deg, var(--bg), transparent 18%, transparent 80%, var(--bg)); }
  .statement-grid, .section-head, .split, .page-hero-grid, .content-grid, .rfq-layout, .range-grid { grid-template-columns: 1fr; }
  .section-head { gap: 22px; }
  .page-index { min-height: 70px; justify-content: flex-start; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-step, .process-step:nth-child(3) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .process-step:nth-child(even) { border-right: 0; }
  .process-step:last-child { border-bottom: 0; }
  .industry-rail { grid-template-columns: repeat(2, 1fr); }
  .industry-item:nth-child(3n) { border-right: 1px solid var(--line); }
  .industry-item:nth-child(even) { border-right: 0; }
  .content-nav, .rfq-aside { position: static; }
  .content-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 22px; }
  .rfq-aside { padding-top: 0; }
  .rfq-aside .aside-mark { width: 130px; }
  .range-copy { padding-right: 0; }
  .range-media { min-height: 470px; border-top: 1px solid var(--line); border-left: 0; }
  .range-media::after { background: linear-gradient(180deg, rgba(11,14,17,.5), transparent 20%); }
  .engineering-bridge { grid-template-columns: 1fr 1fr; }
  .engineering-bridge .text-link { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / 2; }
  .footer-map { grid-column: 2 / -1; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 650px) {
  :root { --gutter: 20px; }
  .header-inner { min-height: 72px; }
  .site-nav { top: 73px; min-height: calc(100vh - 73px); }
  .brand img { width: 116px; }
  .hero-grid { padding-top: 62px; gap: 34px; }
  h1 { font-size: clamp(48px, 14vw, 70px); }
  .hero-media { min-height: 330px; }
  .hero-lead, .page-lead { font-size: 18px; }
  .actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-index { display: none; }
  .statement-grid { gap: 30px; }
  .capability-row { grid-template-columns: 42px 1fr 24px; gap: 14px; padding-block: 24px; }
  .capability-row p { grid-column: 2 / -1; }
  .capability-row:hover { padding-inline: 0; }
  .tech-panel { min-height: 370px; }
  .process-list, .industry-rail, .detail-grid, .proof-strip, .field-grid, .footer-grid, .range-list, .engineering-bridge { grid-template-columns: 1fr; }
  .process-step, .process-step:nth-child(3), .process-step:nth-child(even) { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-step .number { margin-bottom: 38px; }
  .industry-item, .industry-item:nth-child(3n) { min-height: 0; border-right: 0; }
  .detail, .detail:nth-child(even) { min-height: 0; border-right: 0; }
  .proof-strip > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-strip > div:last-child { border-bottom: 0; }
  .field.full { grid-column: auto; }
  .field input, .field select, .field textarea { font-size: 16px; }
  .content-nav { grid-template-columns: 1fr; }
  .range-media { min-height: 330px; }
  .range-list span, .range-list span:nth-child(3n), .range-list span:nth-last-child(-n+3) { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .range-list span:last-child { border-bottom: 0; }
  .capability-media { min-height: 330px; }
  .engineering-bridge .text-link, .footer-brand, .footer-map { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .cta-inner .button { width: auto; }
}

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