:root {
  --paper: #f6f4ef;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #6f6c64;
  --rule: #e8e3d8;
  --navy: #1f3a5f;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --page-max: 1240px;
  --text-max: 680px;
  --gutter: clamp(20px, 5vw, 72px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
  color-scheme: light;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 4px;
}

::selection {
  background: var(--navy);
  color: var(--surface);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--navy);
  color: var(--surface);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.header-inner,
.page-shell,
.site-footer-inner {
  width: min(100%, var(--page-max));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 3vw, 32px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 590;
  letter-spacing: -0.01em;
}

.wordmark-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--navy);
}

.nf-initials {
  color: var(--paper);
  font-family: Georgia, serif;
  font-size: 13px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 1;
  transform: translate(-0.5px, 0.5px);
}

.header-link,
.text-link,
.footer-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-weight: 510;
  letter-spacing: 0.01em;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.header-link { text-decoration: none; }
.header-link:hover { text-decoration: underline; }
.header-link[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero {
  min-height: min(760px, calc(100vh - 81px));
  display: grid;
  align-content: center;
  gap: clamp(64px, 8vw, 96px);
  padding-top: clamp(72px, 10vw, 136px);
  padding-bottom: clamp(32px, 3vw, 40px);
}

.hero-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(300px, 0.84fr);
  gap: clamp(56px, 8vw, 120px);
  align-items: end;
}

.eyebrow,
.section-index,
.metadata {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 590;
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  font-size: clamp(48px, 7.1vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 560px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.55;
  text-wrap: pretty;
}

.hero-product-rail {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(300px, 1.3fr) auto;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.rail-product-identity {
  display: flex;
  align-items: center;
  gap: 16px;
}

.rail-product-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 6px;
  font-size: 22px;
}

.map-label {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.map-value {
  display: block;
  margin-top: 3px;
  font-size: 19px;
  font-weight: 590;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.rail-product-summary {
  max-width: 50ch;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.rail-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 590;
  letter-spacing: 0.01em;
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 5px;
  white-space: nowrap;
}

.rail-action:hover { text-decoration-color: currentColor; }

.section {
  padding-block: clamp(56px, 7vw, 88px);
  border-top: 1px solid var(--rule);
}

.hero + .section {
  padding-top: clamp(32px, 3vw, 40px);
  border-top: 0;
}

.section-index {
  margin-bottom: 20px;
  color: var(--muted);
}

.section-body { max-width: none; }
.section-body > h2 { max-width: 850px; }

.section-lead {
  max-width: 62ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
}

.product-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--surface);
  font-family: Georgia, serif;
  font-size: 24px;
  font-style: italic;
}

.principles-list {
  margin-top: clamp(40px, 5vw, 56px);
}

.principle-row {
  display: grid;
  grid-template-columns: 56px minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
}

.principle-number,
.contact-label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principle-row h3 {
  max-width: 18ch;
  font-size: clamp(22px, 2.4vw, 30px);
}

.principle-row p {
  max-width: 56ch;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.contact-directory {
  margin-top: 40px;
}

.contact-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) auto;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}

.contact-row > p:not(.contact-label) { color: var(--muted); }
.contact-row .text-link { white-space: nowrap; }

.site-footer { border-top: 1px solid var(--rule); }

.site-footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  padding-block: 40px;
}

.footer-copy {
  max-width: 58ch;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.footer-copy p { margin: 0 0 4px; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 24px;
}

.footer-link { font-size: 13px; }

.privacy-main { padding-block: clamp(72px, 9vw, 120px); }

.privacy-header {
  max-width: 760px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--rule);
}

.privacy-header h1 { font-size: clamp(44px, 6vw, 72px); }

.effective-date {
  margin: 22px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.privacy-content {
  max-width: var(--text-max);
  margin-top: 64px;
}

.privacy-content section { margin-top: 48px; }
.privacy-content section:first-child { margin-top: 0; }
.privacy-content h2 { font-size: clamp(24px, 3vw, 32px); }
.privacy-content p { margin: 16px 0 0; color: var(--muted); }
.privacy-content strong,
.privacy-content .text-link { color: var(--ink); }

@media (max-width: 900px) {
  .hero { min-height: auto; }
  .hero-intro { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { max-width: 620px; }
  .hero-product-rail { grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr); }
  .rail-action { grid-column: 2; }
  .principle-row { grid-template-columns: 48px minmax(0, 1fr); gap: 12px 28px; }
  .principle-row p { grid-column: 2; }
  .contact-row { grid-template-columns: 120px minmax(0, 1fr); gap: 8px 28px; }
  .contact-row .text-link { grid-column: 2; }
}

@media (max-width: 620px) {
  .header-inner { min-height: 72px; }
  .header-nav { gap: 14px; }
  .wordmark { gap: 9px; font-size: 15px; }
  .wordmark-mark { width: 28px; height: 28px; flex-basis: 28px; }
  .header-link { font-size: 14px; }
  .hero { padding-block: 64px 36px; gap: 44px; }
  h1 { font-size: clamp(46px, 14vw, 64px); }
  .hero-product-rail { grid-template-columns: 1fr; gap: 22px; padding: 24px 0 26px; }
  .rail-action { grid-column: auto; }
  .section { padding-block: 64px; }
  .principle-row { grid-template-columns: 1fr; gap: 10px; padding: 22px 0; }
  .principle-row p { grid-column: auto; }
  .contact-row { grid-template-columns: 1fr; gap: 8px; }
  .contact-row .text-link { grid-column: auto; }
  .site-footer-inner { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}

@media (max-width: 400px) {
  .wordmark > span:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .skip-link { display: none; }
  .site-header { position: static; }
  .hero { min-height: auto; }
  a { text-decoration: underline; }
}