:root {
  --ink: #0a1020;
  --ink-2: #151c2e;
  --paper: #f6f3ec;
  --paper-2: #ece6d8;
  --line-dark: rgba(246, 243, 236, 0.14);
  --line-light: rgba(10, 16, 32, 0.1);
  --gold: #c4a574;
  --blue: #2b6cff;
  --blue-deep: #1e4fe0;
  --muted-dark: #9aa3b5;
  --muted-light: #5b6474;
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  --measure: 40rem;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.theme-dark {
  color: var(--paper);
  background: var(--ink);
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding: 0 var(--pad);
  backdrop-filter: blur(16px);
}

.theme-dark .site-header {
  background: rgba(10, 16, 32, 0.78);
  border-bottom: 1px solid var(--line-dark);
}

.theme-light .site-header {
  background: rgba(246, 243, 236, 0.86);
  border-bottom: 1px solid var(--line-light);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

.brand-name {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 1.15rem;
  height: 1.5px;
  background: currentColor;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--muted-dark);
}

.theme-light .site-nav a {
  color: var(--muted-light);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: inherit;
}

.site-main {
  display: block;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: grid;
  align-content: end;
  padding: clamp(3rem, 10vh, 7rem) var(--pad) clamp(3.5rem, 8vh, 6rem);
  overflow: hidden;
}

.hero::before {
  content: "PN";
  position: absolute;
  right: -0.1em;
  bottom: -0.22em;
  font-family: var(--serif);
  font-size: clamp(8rem, 32vw, 22rem);
  line-height: 0.75;
  letter-spacing: -0.06em;
  color: rgba(246, 243, 236, 0.035);
  pointer-events: none;
}

.kicker {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero h1 {
  margin: 0 0 1.75rem;
  max-width: 14ch;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 11vw, 7.4rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.035em;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
}

.lede {
  margin: 0;
  max-width: 32rem;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 400;
  line-height: 1.45;
  color: rgba(246, 243, 236, 0.78);
}

.lede a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.hero-rule {
  width: 3.5rem;
  height: 1px;
  margin: 2.25rem 0 1.5rem;
  border: 0;
  background: var(--gold);
}

.hero-note {
  margin: 0;
  max-width: 28rem;
  color: var(--muted-dark);
  font-size: 1rem;
}

.product {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(4rem, 10vw, 7.5rem) var(--pad);
  scroll-margin-top: var(--nav-h);
}

.product-head {
  display: grid;
  gap: 1rem;
  max-width: 40rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.product h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.product h2 span {
  color: var(--blue);
}

.zh {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted-light);
}

.product-copy {
  margin: 0.5rem 0 0;
  font-size: 1.125rem;
  max-width: 38rem;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.capabilities li {
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-bottom: 1px solid var(--line-light);
}

.capabilities li:not(:first-child) {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line-light);
}

.cap-num {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.capabilities h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  font-weight: 500;
}

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

.page {
  padding: clamp(3rem, 8vw, 5.5rem) var(--pad) clamp(4rem, 10vw, 7rem);
}

.page-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page h1 {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.updated {
  margin: 0 0 2.5rem;
  color: var(--muted-light);
  font-size: 0.9375rem;
}

.doc {
  max-width: var(--measure);
}

.doc h2 {
  margin: 2.4rem 0 0.7rem;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 500;
}

.doc p,
.doc li {
  color: #2a3140;
}

.doc ul,
.doc ol {
  padding-left: 1.2rem;
}

.doc .alpha {
  list-style: none;
  padding-left: 0;
}

.doc .alpha > li {
  padding-left: 1.6rem;
  text-indent: -1.6rem;
  margin: 0.45rem 0;
}

.doc .roman {
  list-style: none;
  padding-left: 1.6rem;
  margin: 0.4rem 0 0.8rem;
}

.doc .roman > li {
  padding-left: 1.7rem;
  text-indent: -1.7rem;
  margin: 0.3rem 0;
}

.doc a {
  color: var(--blue-deep);
}

.contact-block {
  margin-top: 2.5rem;
}

.email-link {
  display: inline-block;
  max-width: 100%;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 6vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  overflow-wrap: anywhere;
}

.email-link:hover {
  color: var(--blue-deep);
}

.contact-meta {
  margin: 1.5rem 0 0;
  color: var(--muted-light);
}

.site-footer {
  padding: 1.75rem var(--pad) 2.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  font-size: 0.875rem;
}

.theme-dark .site-footer {
  border-top: 1px solid var(--line-dark);
  color: var(--muted-dark);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: inherit;
}

@media (max-width: 800px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    display: none;
    position: absolute;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem var(--pad) 1.25rem;
  }

  .theme-dark .site-nav {
    background: var(--ink);
    border-bottom: 1px solid var(--line-dark);
  }

  .theme-light .site-nav {
    background: var(--paper);
    border-bottom: 1px solid var(--line-light);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 0.7rem 0;
  }

  .capabilities {
    grid-template-columns: 1fr;
  }

  .capabilities li,
  .capabilities li:not(:first-child) {
    padding: 1.5rem 0;
    border-left: 0;
  }
}

@media print {
  .site-header,
  .nav-toggle,
  .site-footer {
    display: none;
  }

  body,
  .page {
    background: #fff;
    color: #000;
  }
}