:root {
  color-scheme: light;
  --ink: #18212b;
  --muted: #637083;
  --line: #d9e2ea;
  --bg: #f5f7f9;
  --panel: #ffffff;
  --nav: #102334;
  --blue: #2563a8;
  --teal: #147d73;
  --amber: #b26b1f;
  --soft-blue: #eaf3fb;
  --soft-teal: #e8f5f2;
  --soft-amber: #fff4df;
  --content-width: 1440px;
  --page-gutter: 24px;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 650;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header {
  background: var(--nav);
  color: #fff;
  border-bottom: 4px solid var(--teal);
}

.nav {
  width: min(var(--content-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-logo {
  display: block;
  width: 210px;
  height: auto;
  filter: none;
}

.brand-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
  font-weight: 620;
}

.nav-links a[aria-current="page"] {
  color: #fff;
}

.hero {
  width: min(var(--content-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  padding: 58px 0 46px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: 42px;
  align-items: center;
}

.hero h1 {
  margin: 0;
  max-width: 920px;
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 4.25rem);
  line-height: 1.08;
  font-weight: 720;
  letter-spacing: 0;
}

.hero p {
  max-width: 800px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--teal);
  color: #fff;
  font-weight: 720;
}

.button.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
}

.button.light {
  background: #fff;
  color: var(--blue);
  border-color: var(--line);
}

.hero-media {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  overflow: hidden;
  background: #0c1a27;
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.hero-caption {
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

main {
  width: min(var(--content-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  padding: 28px 0 54px;
}

.page-title {
  padding: 34px 0 20px;
}

.page-title h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.12;
}

.page-title p {
  max-width: 760px;
  color: var(--muted);
  margin: 12px 0 0;
  font-size: 1.04rem;
}

.band {
  margin: 26px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 14px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.2;
}

.section-head p {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.tile h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.tile p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: 0;
}

.tile img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-bottom: 14px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.metric strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1.2;
}

.metric span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 26px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.article {
  max-width: 920px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 42px);
  margin: 34px auto 54px;
}

.article h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.12;
}

.article h2 {
  margin: 30px 0 10px;
}

.article p {
  color: var(--muted);
  font-size: 1.02rem;
}

.article .lede {
  color: var(--ink);
  font-size: 1.18rem;
}

.article-figure {
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.article-figure figcaption {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #f8fafc;
  font-size: 0.92rem;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0 30px;
}

.image-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.image-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #101820;
}

.image-grid figcaption {
  min-height: 86px;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #f8fafc;
  font-size: 0.88rem;
}

.reference-list {
  padding-left: 1.25rem;
}

.reference-list li {
  margin-bottom: 9px;
  overflow-wrap: anywhere;
}

.list {
  margin: 0;
  padding-left: 1.1rem;
}

.list li {
  margin: 0 0 8px;
}

.table-wrap {
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid #e8edf2;
}

th {
  background: #edf3f7;
  color: #243445;
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.status {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--soft-teal);
  color: #0d655d;
  font-weight: 700;
  font-size: 12px;
}

.status.warn {
  background: var(--soft-amber);
  color: #845116;
}

.download-list {
  display: grid;
  gap: 12px;
}

.download-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.download-item p {
  margin: 4px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.footer-inner {
  width: min(var(--content-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  :root {
    --page-gutter: 28px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .brand-logo {
    width: 190px;
  }

  .hero,
  .split,
  .grid.three,
  .grid.two,
  .image-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 34px;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 8px;
  }
}

/* Apple-inspired presentation layer: content-first, system-native, low-cost. */
:root {
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.09);
  --bg: #f5f5f7;
  --panel: rgba(255, 255, 255, 0.9);
  --nav: #101114;
  --blue: #0066cc;
  --teal: #12806f;
  --content-width: 1180px;
  --page-gutter: 48px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body { background: linear-gradient(180deg, #fff 0, var(--bg) 34rem); letter-spacing: -0.006em; }
a { font-weight: 500; }
a:focus-visible, .button:focus-visible { outline: 3px solid rgba(0, 113, 227, .34); outline-offset: 3px; }
.site-header { background: radial-gradient(circle at 78% 10%, #293554 0, transparent 36%), linear-gradient(145deg, #101114, #1c1e25); border: 0; }
.nav { min-height: 64px; }
.brand-logo { width: 196px; aspect-ratio: 35 / 8; object-fit: contain; }
.nav-links { gap: 8px; }
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 999px; color: rgba(255,255,255,.72); font-size: 13px; transition: color .2s ease, background .2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.09); text-decoration: none; }
.hero { padding: 88px 0 72px; gap: 64px; }
.hero h1 { max-width: 760px; font-size: clamp(3rem, 6.4vw, 5.7rem); font-weight: 650; letter-spacing: -.052em; line-height: .98; }
.hero p { max-width: 680px; margin-top: 24px; color: rgba(255,255,255,.68); font-size: clamp(1.06rem, 2vw, 1.28rem); line-height: 1.5; }
.hero-actions { margin-top: 32px; }
.button { min-height: 44px; padding: 0 22px; border-radius: 999px; background: #0071e3; font-weight: 550; transition: transform .2s cubic-bezier(.25,.1,.25,1), filter .2s ease; }
.button:hover { transform: scale(1.02); filter: brightness(1.08); text-decoration: none; }
.button.secondary { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22); }
.hero-media { border-color: rgba(255,255,255,.12); border-radius: 24px; box-shadow: 0 24px 64px rgba(0,0,0,.34); }
.hero-media picture, .tile picture { display: block; width: 100%; line-height: 0; }
.hero-media picture img, .tile picture img { display: block; width: 100%; }
.hero-caption { padding: 12px 16px; }
main { padding: 48px 0 88px; }
.band { margin: 48px 0; }
.page-title { padding: 72px 0 32px; }
.page-title h1, .article h1 { font-weight: 650; letter-spacing: -.04em; }
.section-head { margin-bottom: 24px; }
.section-head h2, .panel h2 { letter-spacing: -.025em; }
.grid { gap: 20px; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.metric-row { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.split { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.tile, .metric, .panel, .article, .table-wrap, .download-item { border-color: var(--line); border-radius: 22px; box-shadow: 0 1px 2px rgba(0,0,0,.02), 0 10px 30px rgba(0,0,0,.035); }
.tile, .panel { min-width: 0; padding: 24px; }
.tile { display: flex; flex-direction: column; }
.tile { transition: transform .24s cubic-bezier(.25,.1,.25,1), box-shadow .24s ease; }
.tile:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(0,0,0,.07); }
.tile img { border: 0; border-radius: 14px; margin-bottom: 20px; content-visibility: auto; }
.tile img.diagram { object-fit: contain; padding: 16px; background: #f5f5f7; }
.tile h3 { margin-top: 0; }
.metric { padding: 22px; }
.metric strong { font-size: 1.7rem; letter-spacing: -.025em; }
.article { max-width: 760px; padding: clamp(28px, 6vw, 64px); }
.article p { line-height: 1.72; }
.article-figure, .image-grid figure { border-radius: 18px; }
.table-wrap { background: rgba(255,255,255,.9); }
th { background: rgba(0,0,0,.035); color: var(--muted); letter-spacing: .06em; }
th, td { padding: 14px 16px; border-bottom-color: var(--line); }
.site-footer { background: #fff; }
.footer-inner { padding: 32px 0; }

@media (max-width: 1024px) {
  :root { --page-gutter: 28px; }
  .hero { grid-template-columns: 1fr; }
  .hero > div { max-width: 760px; }
  .hero-media { max-width: 760px; }
}

@media (max-width: 860px) {
  .hero { padding: 56px 0; gap: 36px; }
  .hero h1 { font-size: clamp(2.75rem, 13vw, 4.5rem); }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 0 9px; }
}

@media (max-width: 560px) {
  :root { --page-gutter: 24px; }
  .grid.two, .grid.three, .metric-row, .split { grid-template-columns: 1fr; }
  .tile, .panel, .metric { border-radius: 18px; padding: 20px; }
  .nav-links { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}