:root {
  --red: #e30613;
  --red-dark: #b8000b;
  --ink: #111111;
  --muted: #5e6065;
  --paper: #ffffff;
  --soft: #f2f2f0;
  --line: #d9d9d6;
  --header-h: 76px;
  --max: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid #1565c0; outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--ink); color: #fff; text-decoration: none; }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: max(24px, calc((100vw - var(--max)) / 2));
  padding-right: max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(0,0,0,.08);
  backdrop-filter: blur(14px);
}
.brand { width: 58px; height: 52px; display: grid; place-items: center; }
.brand img { width: 58px; height: 51px; object-fit: contain; }
.main-nav { display: flex; justify-content: center; gap: 18px; }
.main-nav a { font-size: .78rem; font-weight: 720; text-decoration: none; letter-spacing: .01em; padding: 12px 0; position: relative; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 2px; background: var(--red); transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="true"]::after { right: 0; }
.header-cta { min-height: 44px; display: inline-flex; align-items: center; padding: 0 18px; border-radius: 999px; background: var(--red); color: #fff; text-decoration: none; font-size: .82rem; font-weight: 800; }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; border: 0; background: transparent; padding: 9px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.reading-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: transparent; }
.reading-progress span { display: block; width: 0; height: 100%; background: var(--red); }

.chapter { position: relative; min-height: 100svh; }
.chapter-number { position: absolute; top: calc(var(--header-h) + 18px); left: max(24px, calc((100vw - var(--max)) / 2)); z-index: 4; font: 700 1rem/1 Georgia, serif; color: var(--red); letter-spacing: .12em; }
.chapter-number.light { color: #fff; }
.eyebrow { margin: 0 0 18px; color: var(--red); font-size: .76rem; line-height: 1.2; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; letter-spacing: -.04em; line-height: .98; }
h1 { max-width: 760px; font-size: clamp(3rem, 6vw, 6.8rem); }
h2 { font-size: clamp(2.65rem, 5.2vw, 5.6rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.85rem); }
.lead { max-width: 700px; font-size: clamp(1.1rem, 1.7vw, 1.45rem); color: var(--muted); }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 0 26px; border: 2px solid transparent; border-radius: 999px; text-decoration: none; font-weight: 850; }
.button.primary { background: var(--red); color: #fff; }
.button.primary:hover { background: var(--red-dark); }
.button.inverse { background: #fff; color: var(--red); }
.text-link { min-height: 44px; display: inline-flex; align-items: center; font-weight: 780; text-underline-offset: 5px; }

.hero { min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr); padding-top: var(--header-h); }
.hero-copy { align-self: center; padding: 10vh max(32px, calc((100vw - var(--max)) / 2)) 170px; padding-right: clamp(32px, 6vw, 90px); }
.hero-copy .lead { margin: 28px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 0 0 30px; padding: 0; list-style: none; font-weight: 760; }
.hero-points li::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 9px; border-radius: 50%; background: var(--red); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.hero-visual { margin: 0; min-height: calc(100svh - var(--header-h)); overflow: hidden; border-left: 5px solid var(--red); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 48% center; }
.stat-strip { position: absolute; z-index: 5; left: 0; bottom: 0; width: min(78%, 1060px); min-height: 132px; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -18px 40px rgba(0,0,0,.06); }
.stat { padding: 26px clamp(18px, 2vw, 34px); border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; color: var(--red); font: 700 clamp(1.65rem, 2.5vw, 2.6rem)/1 Georgia, serif; }
.stat span { display: block; margin-top: 8px; color: var(--muted); font-size: .79rem; font-weight: 680; }

.history { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr); gap: clamp(50px, 8vw, 120px); align-items: center; max-width: var(--max); margin: auto; padding: 130px 0 90px; }
.history-copy { padding-left: 8px; }
.history-copy .lead { margin: 30px 0 44px; }
.timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 90px 1fr; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.timeline strong { color: var(--red); font: 700 1.55rem/1 Georgia, serif; }
.portrait-frame { margin: 0; background: var(--red); }
.portrait-frame img { aspect-ratio: 3 / 4; object-fit: cover; }
.portrait-frame figcaption { padding: 18px 22px; color: #fff; font-weight: 800; }

.services { min-height: 100svh; display: grid; grid-template-columns: minmax(340px, .9fr) minmax(0, 1.1fr); background: var(--ink); color: #fff; }
.full-bleed-image { margin: 0; min-height: 100svh; overflow: hidden; }
.full-bleed-image img { width: 100%; height: 100%; object-fit: cover; }
.service-shell { align-self: center; padding: 128px max(36px, calc((100vw - var(--max)) / 2)) 90px clamp(44px, 7vw, 110px); padding-right: max(36px, calc((100vw - var(--max)) / 2)); }
.service-shell > p:not(.eyebrow) { color: #c9c9c9; max-width: 650px; font-size: 1.1rem; }
.service-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 34px 0 26px; }
.service-tab { min-height: 44px; border: 1px solid #505050; border-radius: 999px; background: transparent; color: #fff; padding: 9px 14px; cursor: pointer; font-size: .78rem; font-weight: 760; }
.service-tab[aria-selected="true"] { border-color: var(--red); background: var(--red); }
.service-panel { padding: 28px 0; border-top: 1px solid #505050; }
.service-panel p { color: #cfcfcf; max-width: 650px; font-size: 1.05rem; }

.operations { max-width: var(--max); margin: auto; padding: 138px 0 100px; }
.operations-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: end; margin-bottom: 48px; }
.operations-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.operations-heading .lead { margin: 0; }
.wide-image { margin: 0; overflow: hidden; }
.wide-image img { aspect-ratio: 2.25 / 1; object-fit: cover; }
.process-explorer { margin-top: 34px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr); gap: 32px; }
.process-buttons { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-button { min-height: 92px; padding: 18px; text-align: left; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; cursor: pointer; font-weight: 760; }
.process-button span { display: block; margin-bottom: 8px; color: var(--red); font: 700 1.2rem/1 Georgia, serif; }
.process-button[aria-pressed="true"] { background: var(--red); color: #fff; }
.process-button[aria-pressed="true"] span { color: #fff; }
.process-detail { min-height: 216px; display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; background: var(--soft); border-top: 6px solid var(--red); }
.process-detail .step-number { color: var(--red); font: 700 3.4rem/1 Georgia, serif; }
.process-detail h3 { margin: 16px 0 10px; }
.process-detail p { margin: 0; color: var(--muted); }

.technology { display: grid; grid-template-columns: minmax(0, 1fr) minmax(400px, .78fr); align-items: stretch; background: var(--soft); }
.technology-copy { align-self: center; padding: 130px clamp(42px, 8vw, 130px) 100px max(36px, calc((100vw - var(--max)) / 2)); }
.technology-copy .lead { margin: 30px 0 38px; }
.tech-list { border-top: 1px solid var(--line); }
.tech-item { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.tech-item > span { color: var(--red); font: 700 1.3rem/1 Georgia, serif; padding-top: 4px; }
.tech-item h3 { font-size: 1.2rem; letter-spacing: -.02em; line-height: 1.2; }
.tech-item p { margin: 6px 0 0; color: var(--muted); }
.technology-visual { margin: 0; min-height: 100svh; border-left: 5px solid var(--red); overflow: hidden; }
.technology-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.standards { min-height: 100svh; display: grid; grid-template-columns: 1.15fr .85fr; background: var(--ink); color: #fff; }
.standards-image { margin: 0; min-height: 100svh; overflow: hidden; }
.standards-image img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.standards-copy { align-self: center; padding: 130px max(36px, calc((100vw - var(--max)) / 2)) 90px clamp(44px, 7vw, 100px); }
.standards-copy > p:not(.eyebrow) { color: #c9c9c9; margin: 28px 0 32px; }
.cert-grid { display: grid; gap: 0; border-top: 1px solid #505050; }
.cert-card { padding: 20px 0; border-bottom: 1px solid #505050; }
.cert-card strong { display: block; color: #fff; font: 700 1.65rem/1 Georgia, serif; }
.cert-card span { display: block; margin-top: 6px; color: var(--red); font-weight: 800; }
.cert-card p { margin: 8px 0 0; color: #bcbcbc; }

.trust { max-width: var(--max); margin: auto; padding: 140px 0 100px; }
.trust-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: end; margin-bottom: 48px; }
.trust-heading .eyebrow { grid-column: 1 / -1; margin: 0; }
.trust-heading .lead { margin: 0; }
.trust-images { display: grid; grid-template-columns: 1.2fr .8fr; align-items: stretch; border: 1px solid var(--line); }
.trust-images img { height: 100%; object-fit: cover; }
.trust-images img + img { object-fit: contain; padding: 36px; background: #fff; }
.coverage-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.coverage-row > div { padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.coverage-row strong { display: block; color: var(--red); font: 700 1.7rem/1 Georgia, serif; }
.coverage-row span { display: block; margin-top: 10px; color: var(--muted); }

.closing { min-height: 100svh; display: grid; grid-template-columns: 1fr 1fr; background: var(--red); color: #fff; }
.closing-image { min-height: 100svh; background: url("assets/cta.webp") center / cover no-repeat; }
.closing-content { align-self: center; padding: 130px max(36px, calc((100vw - var(--max)) / 2)) 100px clamp(44px, 7vw, 110px); }
.closing-content .chapter-number { position: static; margin-bottom: 34px; }
.closing-content .eyebrow { color: #fff; opacity: .72; }
.closing-content .lead { color: #fff; opacity: .9; margin: 28px 0 32px; }
.evaluation-steps { margin: 0 0 38px; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.35); }
.evaluation-steps li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.35); }
.evaluation-steps li > span { font: 700 1.15rem/1 Georgia, serif; }
.evaluation-steps strong, .evaluation-steps small { display: block; }
.evaluation-steps small { margin-top: 3px; opacity: .8; font-size: .82rem; }
.form-note { font-size: .78rem; opacity: .78; }

.faq-section { max-width: 900px; margin: auto; padding: 110px 24px; }
.faq-section h2 { font-size: clamp(2.4rem, 4.5vw, 4.4rem); }
.faq-list { margin-top: 42px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 4px; cursor: pointer; font-weight: 820; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--red); font: 700 1.7rem/1 Georgia, serif; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: 0; padding: 0 48px 22px 4px; color: var(--muted); }

.site-footer { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 48px; padding: 52px max(24px, calc((100vw - var(--max)) / 2)); background: var(--ink); color: #fff; }
.site-footer img { width: 76px; height: 66px; object-fit: contain; }
.site-footer p { margin: 10px 0 0; color: #a9a9a9; font-size: .82rem; }
.site-footer a { text-underline-offset: 4px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; align-content: start; }
.noscript { padding: 16px; background: #fff4cc; color: #111; }

@media (max-width: 1100px) {
  .site-header { grid-template-columns: auto auto 1fr; }
  .menu-toggle { display: block; justify-self: end; }
  .header-cta { justify-self: end; }
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 16px 24px 26px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 18px 32px rgba(0,0,0,.1); }
  .main-nav[data-open="true"] { display: flex; }
  .main-nav a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .history, .operations, .trust { width: auto; margin-left: 32px; margin-right: 32px; }
  .operations-heading, .trust-heading { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 800px) {
  :root { --header-h: 68px; }
  .site-header { padding: 6px 18px; gap: 8px; }
  .brand, .brand img { width: 52px; height: 46px; }
  .header-cta { min-height: 42px; padding: 0 13px; font-size: .72rem; }
  .chapter-number { top: calc(var(--header-h) + 14px); left: 20px; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 82svh; padding: 120px 22px 130px; }
  .hero-visual { min-height: 78svh; border-left: 0; border-top: 5px solid var(--red); }
  .hero-visual img { object-position: 50% center; }
  .stat-strip { position: relative; width: 100%; grid-template-columns: 1fr 1fr; min-height: 0; box-shadow: none; }
  .stat:nth-child(2) { border-right: 0; }
  .stat { min-height: 116px; padding: 22px; border-bottom: 1px solid var(--line); }
  .history { grid-template-columns: 1fr; gap: 42px; margin: 0; padding: 116px 22px 72px; }
  .history-copy { padding-left: 0; }
  .portrait-frame { margin: 0 -22px; }
  .services { grid-template-columns: 1fr; }
  .full-bleed-image { min-height: 88svh; }
  .service-shell { padding: 86px 22px 76px; }
  .operations { margin: 0; padding: 116px 22px 78px; }
  .process-explorer { grid-template-columns: 1fr; }
  .process-buttons { grid-template-columns: 1fr 1fr; }
  .technology { grid-template-columns: 1fr; }
  .technology-copy { padding: 116px 22px 72px; }
  .technology-visual { min-height: 84svh; border-left: 0; border-top: 5px solid var(--red); }
  .standards { grid-template-columns: 1fr; }
  .standards-image { min-height: 62svh; }
  .standards-copy { padding: 76px 22px; }
  .trust { margin: 0; padding: 116px 22px 76px; }
  .trust-images { grid-template-columns: 1fr; }
  .trust-images img + img { min-height: 250px; }
  .coverage-row { grid-template-columns: 1fr; }
  .closing { grid-template-columns: 1fr; }
  .closing-image { min-height: 64svh; }
  .closing-content { padding: 76px 22px; }
  .faq-section { padding: 84px 22px; }
  .site-footer { grid-template-columns: 1fr; gap: 30px; padding: 46px 22px; }
}

@media (max-width: 420px) {
  h1 { font-size: clamp(2.75rem, 15vw, 4rem); }
  h2 { font-size: clamp(2.45rem, 13vw, 3.7rem); }
  .header-cta { display: none; }
  .site-header { grid-template-columns: auto 1fr; }
  .menu-toggle { justify-self: end; }
  .hero-copy { padding-top: 108px; }
  .hero-points { display: grid; gap: 8px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .text-link { justify-content: center; }
  .stat strong { font-size: 1.65rem; }
  .stat span { font-size: .72rem; }
  .service-tabs { display: grid; grid-template-columns: 1fr; }
  .service-tab { text-align: left; }
  .process-buttons { grid-template-columns: 1fr; }
}

@media (max-height: 540px) and (orientation: landscape) {
  .hero-copy { min-height: auto; padding-top: 100px; padding-bottom: 80px; }
  .hero-visual, .full-bleed-image, .technology-visual, .standards-image, .closing-image { min-height: 720px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header { position: static; }
  .chapter { min-height: auto; break-inside: avoid; }
  .hero { padding-top: 0; }
  .reading-progress, .menu-toggle { display: none; }
}