@font-face {
  font-family: "Noto Sans SC Local";
  src: url("assets/fonts/noto-sans-sc-subset.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --lightbox: #f4f8f9;
  --white: #ffffff;
  --graphite: #14202a;
  --deep: #092938;
  --cyan: #00758e;
  --cyan-bright: #00a7c7;
  --cyan-pale: #c9edf3;
  --amber: #a85f00;
  --calibration: #8098a3;
  --line: #b7c7cd;
  --invalid: #9d3f08;
  --font: "Noto Sans SC Local", sans-serif;
  --pad: clamp(22px, 4.2vw, 76px);
  --measure: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--lightbox); }
body {
  margin: 0;
  color: var(--graphite);
  background: var(--lightbox);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  caret-color: var(--cyan);
}
body.menu-open { overflow: hidden; }
::selection { color: var(--white); background: var(--cyan); }
* { scrollbar-color: var(--cyan) #dce8eb; scrollbar-width: thin; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: #dce8eb; }
*::-webkit-scrollbar-thumb { background: var(--cyan); border: 2px solid #dce8eb; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 10px 16px;
  color: var(--white);
  background: var(--deep);
}
.skip-link:focus { transform: none; }

.site-header {
  position: relative;
  z-index: 50;
  display: flex;
  align-items: center;
  min-height: 88px;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  background: rgba(244, 248, 249, .96);
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  min-width: 330px;
}
.brand-mark { width: 42px; height: 42px; overflow: visible; }
.brand-mark path { fill: rgba(0, 167, 199, .11); stroke: var(--cyan); stroke-width: 1.15; }
.brand-mark .brand-beam { fill: none; stroke: var(--amber); stroke-width: 2; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.25; }
.brand-copy strong { font-size: 14px; font-weight: 780; letter-spacing: .03em; }
.brand-copy span { margin-top: 3px; color: #526b76; font-size: 8px; letter-spacing: .12em; }
.site-nav { display: flex; justify-content: flex-end; align-items: stretch; margin-left: auto; }
.site-nav a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 88px;
  padding: 0 16px;
  color: #2a404a;
  font-size: 13px;
  text-decoration: none;
  border-left: 1px solid transparent;
  border-right: 1px solid transparent;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.site-nav a span { color: var(--cyan); font-size: 9px; letter-spacing: .16em; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--deep); background: var(--white); border-color: var(--line); }
.menu-toggle { display: none; }

main, .site-footer { max-width: var(--measure); margin: 0 auto; }
main { position: relative; isolation: isolate; }
.page-light-path {
  position: absolute;
  z-index: 12;
  top: 0;
  bottom: 0;
  left: 33px;
  width: 1px;
  pointer-events: none;
  background: linear-gradient(to bottom, var(--cyan-bright), #78dce9 38%, var(--cyan-bright) 72%, #8be8f4);
  box-shadow: 0 0 8px rgba(0, 167, 199, .32);
}
.page-light-path::before,
.page-light-path::after,
.page-light-path i::before,
.page-light-path i::after {
  content: "";
  position: absolute;
  left: -4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--lightbox);
}
.page-light-path::before { top: 7%; }
.page-light-path i::before { top: 35%; }
.page-light-path i::after { top: 66%; background: var(--deep); border-color: #7be1f1; }
.page-light-path::after { bottom: 3%; background: var(--deep); border-color: #7be1f1; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(72px, .42fr) 1.58fr 2fr;
  grid-template-rows: minmax(630px, calc(100vh - 88px)) auto;
  min-height: 720px;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  overflow: hidden;
}
.calibration {
  position: relative;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 0;
  color: #4c6570;
  font-size: 9px;
  letter-spacing: .12em;
  border-right: 1px solid var(--line);
}
.calibration i { flex: 1; width: 100%; margin: 18px 0; background: repeating-linear-gradient(to bottom, transparent 0 17px, var(--line) 17px 18px); }
.calibration span:last-child { writing-mode: vertical-rl; }
.hero-copy {
  position: relative;
  z-index: 3;
  align-self: center;
  padding: 72px clamp(28px, 4vw, 66px);
}
.section-code {
  margin: 0 0 24px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-size: clamp(64px, 7vw, 96px);
  font-weight: 890;
  letter-spacing: -.04em;
  line-height: .97;
}
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero-lede { max-width: 510px; margin: 34px 0 0; color: #36505b; font-size: 17px; }
.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  min-width: 245px;
  margin-top: 44px;
  padding: 14px 16px;
  color: var(--white);
  background: var(--deep);
  border: 1px solid var(--deep);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}
.primary-action:hover { color: var(--deep); background: transparent; }
.arrow-icon { width: 17px; height: 17px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: square; stroke-linejoin: miter; }
.hero-media { grid-column: 3; grid-row: 1; min-height: 630px; }
.media-frame { position: relative; margin: 0; overflow: hidden; background: #dce9ed; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 14px;
  color: var(--white);
  background: rgba(9, 41, 56, .86);
  font-size: 9px;
  letter-spacing: .12em;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(255,255,255,.58), transparent 36%, rgba(0,167,199,.08));
  pointer-events: none;
}
.light-path { position: absolute; z-index: 5; pointer-events: none; }
.light-path-hero { top: 59%; left: 4.8%; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan-bright) 23%, #b8f7ff 62%, transparent); }
.light-path-hero::after { content: ""; position: absolute; top: -5px; left: 42%; width: 12px; height: 12px; background: var(--white); border: 2px solid var(--cyan-bright); border-radius: 50%; box-shadow: 0 0 22px 8px rgba(0,167,199,.45); }
.light-path-hero i { display: block; width: 0; height: 100%; background: #d7fbff; box-shadow: 0 0 14px 5px rgba(0,167,199,.55); animation: beam-enter 1.45s cubic-bezier(.3,.7,.1,1) .2s forwards; }
.hero-record {
  grid-column: 2 / 4;
  grid-row: 2;
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  min-height: 112px;
  color: var(--white);
  background: var(--deep);
  border-top: 1px solid var(--line);
}
.hero-record span { padding-left: clamp(28px, 4vw, 66px); color: var(--cyan-pale); font-size: 36px; font-weight: 800; }
.hero-record p { max-width: 700px; margin: 0; padding: 24px 36px; border-left: 1px solid rgba(255,255,255,.22); }

.section-head {
  display: grid;
  grid-template-columns: 1.7fr 1.15fr;
  gap: 44px;
  padding: 104px var(--pad) 74px;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.section-head h2, .digital h2, .inspection h2, .evidence h2, .about h2, .contact h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 68px);
  font-weight: 820;
  letter-spacing: -.04em;
  line-height: 1.1;
}
.section-head > p:last-child { max-width: 390px; margin: 68px 0 0; color: #506872; }
.materials { position: relative; }
.material-chapter {
  position: relative;
  display: grid;
  grid-template-columns: minmax(72px, .42fr) 1.18fr 2fr;
  min-height: 490px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.chapter-index { display: flex; flex-direction: column; align-items: center; padding-top: 32px; border-right: 1px solid var(--line); }
.chapter-index strong { color: var(--deep); font-size: 29px; line-height: 1; }
.chapter-index span { margin-top: 14px; color: var(--calibration); font-size: 8px; letter-spacing: .12em; writing-mode: vertical-rl; }
.chapter-copy { align-self: center; padding: 54px clamp(28px, 4vw, 66px); }
.chapter-copy h3 { margin: 0; font-size: clamp(29px, 3vw, 46px); line-height: 1.15; letter-spacing: -.04em; }
.chapter-copy > p:last-child { max-width: 480px; margin: 28px 0 0; color: #4a626c; }
.chapter-copy > p:last-child strong { color: var(--graphite); font-weight: 760; }
.chapter-media { min-height: 490px; border-left: 1px solid var(--line); }
.material-texture { grid-template-columns: minmax(72px, .42fr) 2fr 1.18fr; }
.material-texture .chapter-media { grid-column: 2; border-left: 0; }
.material-texture .chapter-copy { grid-column: 3; grid-row: 1; border-left: 1px solid var(--line); }
.digital {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1.9fr;
  min-height: 720px;
  color: var(--white);
  background: var(--deep);
  overflow: hidden;
}
.digital-copy { align-self: center; padding: 86px var(--pad); }
.digital-copy .section-code { color: #7be1f1; }
.digital-copy > p:not(.section-code) { max-width: 520px; margin: 30px 0 0; color: #c8d9de; }
.digital-copy .boundary-note { padding-top: 24px; border-top: 1px solid rgba(255,255,255,.24); font-size: 13px; }
.digital-media { min-height: 720px; }
.digital-ruler { position: absolute; right: 0; bottom: 0; left: 0; display: flex; align-items: center; gap: 18px; padding: 8px var(--pad); background: rgba(9,41,56,.88); font-size: 9px; letter-spacing: .16em; }
.digital-ruler i { height: 1px; flex: 1; background: repeating-linear-gradient(90deg, rgba(255,255,255,.5) 0 1px, transparent 1px 18px); }

.inspection {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  min-height: 650px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.inspection-media { min-height: 650px; }
.inspection-copy { align-self: center; padding: 70px var(--pad); }
.inspection-copy > p:last-child { max-width: 430px; margin: 34px 0 0; color: #506872; }

.evidence { color: var(--white); background: #0d3440; }
.evidence-head { display: block; padding: 92px var(--pad) 62px; }
.evidence-head .section-code { color: #7be1f1; }
.evidence-line { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.24); border-bottom: 1px solid rgba(255,255,255,.24); }
.evidence-line article { position: relative; min-height: 360px; padding: 52px var(--pad); }
.evidence-line article + article { border-left: 1px solid rgba(255,255,255,.24); }
.evidence-year { display: block; color: #7be1f1; font-size: 15px; font-weight: 700; letter-spacing: .12em; }
.evidence-line h3 { max-width: 530px; margin: 62px 0 18px; font-size: clamp(26px, 3vw, 44px); line-height: 1.2; }
.evidence-line p { max-width: 570px; color: #d0dfe2; }
.evidence-line a { position: absolute; bottom: 46px; display: inline-flex; align-items: center; gap: 8px; color: #a9e9f4; font-size: 13px; text-underline-offset: 5px; }
.evidence-media { height: clamp(420px, 48vw, 720px); }

.about { display: grid; grid-template-columns: 1fr 1.55fr; min-height: 650px; background: var(--white); }
.about-copy { align-self: center; padding: 80px var(--pad); }
.about-copy > p:not(.section-code) { max-width: 510px; margin: 36px 0; color: #4c6470; }
.text-action { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 4px; color: var(--deep); border-bottom: 1px solid var(--deep); text-decoration: none; }
.about-media { min-height: 650px; }

.contact { display: grid; grid-template-columns: .95fr 1.55fr; min-height: 700px; color: var(--white); background: var(--deep); }
.contact-copy { padding: 90px var(--pad); border-right: 1px solid rgba(255,255,255,.22); }
.contact-copy .section-code { color: #7be1f1; }
.contact-copy address { margin-top: 82px; font-size: 17px; font-style: normal; }
.contact-copy address span { display: block; margin-bottom: 12px; color: #8fddeb; font-size: 10px; letter-spacing: .15em; }
.contact-copy > p:last-child { max-width: 390px; margin-top: 34px; color: #a9bec5; font-size: 13px; }
.contact-form { align-self: center; padding: 70px var(--pad); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.field { position: relative; margin-bottom: 30px; }
.field label { display: block; color: #b9d3d9; font-size: 11px; letter-spacing: .12em; }
.field input, .field select, .field textarea {
  width: 100%;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid #78909a;
  border-radius: 0;
  padding: 12px 0;
  outline: 0;
}
.field select { color-scheme: dark; }
.field textarea { resize: vertical; min-height: 108px; }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: #74e4f5; box-shadow: 0 2px 0 #74e4f5; }
.field [aria-invalid="true"] { border-bottom-color: #ffb06a; box-shadow: 0 2px 0 #ffb06a; }
.field [aria-invalid="true"]:focus { border-bottom-color: #ffb06a; box-shadow: 0 2px 0 #ffb06a; }
.field-error { display: block; min-height: 21px; margin-top: 5px; color: #ffc18b; font-size: 12px; }
.form-actions { display: grid; grid-template-columns: 180px 1fr; gap: 26px; align-items: center; }
.form-actions button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; color: var(--deep); background: #8be8f4; border: 1px solid #8be8f4; border-radius: 0; cursor: pointer; font-weight: 750; }
.form-actions button:hover { color: var(--white); background: transparent; }
.form-status { margin: 0; color: #f0d0b1; font-size: 13px; }

.site-footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
  padding: 32px var(--pad);
  color: #39515b;
  background: #dfeaec;
  border-top: 1px solid var(--line);
  font-size: 11px;
}
.site-footer p { margin: 0; }
.site-footer > p:last-child { text-align: right; }

@keyframes beam-enter {
  0% { width: 0; opacity: .35; }
  72% { opacity: 1; }
  100% { width: 100%; opacity: .18; }
}

@media (max-width: 1040px) {
  .site-header { min-height: 78px; }
  .brand { min-width: 280px; }
  .site-nav a { min-height: 78px; padding: 0 9px; font-size: 12px; }
  .hero { grid-template-columns: 54px 1.2fr 1.35fr; grid-template-rows: minmax(580px, calc(100vh - 78px)) auto; }
  .hero-copy { padding: 52px 30px; }
  .hero-media { min-height: 580px; }
  .hero-record { grid-column: 2 / 4; }
  .section-head { grid-template-columns: 1.65fr 1fr; gap: 28px; }
  .material-chapter { grid-template-columns: 54px 1.05fr 1.55fr; }
  .material-texture { grid-template-columns: 54px 1.55fr 1.05fr; }
  .chapter-copy { padding: 42px 30px; }
  .digital { grid-template-columns: 1fr 1.25fr; }
  .inspection { grid-template-columns: 1.35fr 1fr; }
}

@media (max-width: 760px) {
  :root { --pad: 22px; }
  .site-header { position: sticky; top: 0; min-height: 70px; padding: 0 18px; }
  .brand { min-width: 0; max-width: calc(100% - 58px); gap: 9px; }
  .brand-mark { width: 32px; height: 32px; flex: 0 0 auto; }
  .brand-copy strong { overflow: hidden; max-width: 235px; white-space: nowrap; text-overflow: ellipsis; font-size: 12px; }
  .brand-copy span { display: none; }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-width: 48px;
    min-height: 48px;
    margin-left: auto;
    color: var(--deep);
    background: transparent;
    border: 0;
    cursor: pointer;
  }
  .menu-toggle-label { font-size: 11px; }
  .menu-toggle-lines { display: grid; gap: 6px; width: 18px; }
  .menu-toggle-lines i { display: block; height: 1px; background: currentColor; transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] .menu-toggle-lines i:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle-lines i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    z-index: 49;
    inset: 70px 0 0;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    margin: 0;
    padding: 32px 22px 60px;
    color: var(--white);
    background: var(--deep);
  }
  .site-nav.open { display: flex; }
  .site-nav a { flex-direction: row; justify-content: flex-start; gap: 22px; min-height: 66px; padding: 18px 0; color: var(--white); border: 0; border-bottom: 1px solid rgba(255,255,255,.22); font-size: 22px; }
  .site-nav a span { color: #80e4f3; font-size: 11px; }
  .site-nav a:hover, .site-nav a:focus-visible { color: var(--white); background: transparent; border-color: rgba(255,255,255,.22); }

  .hero { display: grid; grid-template-columns: 34px 1fr; grid-template-rows: auto minmax(400px, 58vh) auto; min-height: 0; }
  .calibration { grid-column: 1; grid-row: 1 / 4; padding: 18px 0; }
  .hero-copy { grid-column: 2; grid-row: 1; padding: 58px 22px 42px; }
  .hero h1 { font-size: clamp(54px, 18vw, 74px); }
  .hero-lede { margin-top: 24px; font-size: 15px; }
  .primary-action { width: 100%; min-width: 0; margin-top: 30px; }
  .hero-media { grid-column: 2; grid-row: 2; min-height: 400px; }
  .light-path-hero { top: auto; bottom: calc(58vh + 92px); left: 24px; }
  .hero-record { grid-column: 2; grid-row: 3; grid-template-columns: 86px 1fr; min-height: 92px; }
  .hero-record span { padding-left: 20px; font-size: 24px; }
  .hero-record p { padding: 18px; font-size: 13px; }

  .section-head { grid-template-columns: 1fr; gap: 18px; padding: 76px 22px 52px 56px; }
  .section-head h2, .digital h2, .inspection h2, .evidence h2, .about h2, .contact h2 { font-size: clamp(37px, 11.5vw, 50px); }
  .section-head > p:last-child { margin: 12px 0 0; }
  .material-chapter, .material-texture { grid-template-columns: 34px 1fr; grid-template-rows: auto minmax(320px, 55vh); min-height: 0; }
  .chapter-index { grid-column: 1; grid-row: 1 / 3; padding-top: 22px; }
  .chapter-index strong { font-size: 20px; }
  .chapter-copy, .material-texture .chapter-copy { grid-column: 2; grid-row: 1; padding: 48px 22px; border-left: 0; }
  .chapter-copy h3 { font-size: 34px; }
  .chapter-media, .material-texture .chapter-media { grid-column: 2; grid-row: 2; min-height: 320px; border-left: 0; border-top: 1px solid var(--line); }

  .digital { grid-template-columns: 1fr; min-height: 0; }
  .digital-copy { padding: 76px 22px 58px 56px; }
  .digital-media { min-height: 480px; }
  .digital-ruler { padding-left: 56px; }
  .inspection { grid-template-columns: 1fr; }
  .inspection-media { min-height: 430px; }
  .inspection-copy { padding: 68px 22px 74px 56px; }
  .evidence-head { grid-template-columns: 1fr; gap: 12px; padding: 74px 22px 48px 56px; }
  .evidence-line { grid-template-columns: 1fr; }
  .evidence-line article { min-height: 330px; padding: 42px 22px 74px 56px; }
  .evidence-line article + article { border-left: 0; border-top: 1px solid rgba(255,255,255,.24); }
  .evidence-line h3 { margin-top: 42px; font-size: 31px; }
  .evidence-line a { bottom: 34px; }
  .evidence-media { height: 460px; }
  .about { grid-template-columns: 1fr; }
  .about-copy { padding: 74px 22px 62px 56px; }
  .about-media { min-height: 480px; }
  .contact { grid-template-columns: 1fr; }
  .contact-copy { padding: 74px 22px 54px 56px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
  .contact-copy address { margin-top: 48px; }
  .contact-form { padding: 54px 22px 74px 56px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .form-actions { grid-template-columns: 1fr; }
  .form-actions button { min-height: 54px; }
  .site-footer { grid-template-columns: 1fr; gap: 14px; padding: 30px 22px 34px 56px; }
  .site-footer > p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .light-path-hero i { width: 100%; opacity: .18; }
}