:root {
  --green: #6d8865;
  --green-dark: #526b4c;
  --green-deep: #243c2a;
  --green-pale: #e9f0e6;
  --lime: #cbdca5;
  --ink: #323232;
  --muted: #5f625e;
  --line: #d5d8d1;
  --paper: #ffffff;
  --canvas: #d8d8d8;
  --soft: #f4f5f1;
  --cream: #f4efd9;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

code {
  font-family: "SFMono-Regular", Consolas, monospace;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: #fff;
  color: #111;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  min-height: 86px;
  padding: 16px max(32px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(50, 50, 50, .1);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(180px, 18vw, 250px);
  height: auto;
}

.site-header nav {
  display: flex;
  gap: 28px;
}

.site-header nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--green-dark);
}

.header-cta {
  justify-self: end;
  padding: 11px 15px;
  border: 1px solid var(--green-dark);
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--green-deep);
  color: #fff;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, .65fr);
  gap: clamp(48px, 7vw, 100px);
  min-height: 700px;
  padding: clamp(90px, 11vw, 150px) max(32px, calc((100vw - var(--max))/2));
  overflow: hidden;
  background: var(--green);
  color: #fff;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255, 255, 255, .35) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .35) 1px, transparent 1px), radial-gradient(circle at 76% 42%, transparent 0 90px, rgba(255, 255, 255, .8) 91px 92px, transparent 93px 160px, rgba(255, 255, 255, .55) 161px 162px, transparent 163px);
  background-size: 64px 64px, 64px 64px, auto;
  mask-image: linear-gradient(90deg, transparent 0%, #000 45%, #000 100%);
}

.hero-copy,
.status-card {
  position: relative;
  z-index: 1;
}

.eyebrow,
.card-label,
.section-kicker {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 24px 0 30px;
  font: 700 clamp(52px, 6.5vw, 92px)/.92 Helvetica, Arial, sans-serif;
  letter-spacing: -.055em;
}

.hero-intro {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, .9);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 50px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.button-light {
  background: #fff;
  color: var(--green-deep);
}

.button-light:hover,
.button-light:focus-visible {
  background: var(--green-deep);
  color: #fff;
}

.text-link {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-underline-offset: 5px;
}

.status-card {
  align-self: end;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .42);
  background: rgba(45, 70, 42, .25);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(203, 220, 165, .18);
}

.status-card>p {
  margin: 18px 0 24px;
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  line-height: 1.55;
}

.status-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.status-meta span {
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, .32);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.section {
  margin: 2px 36px 0;
  padding: clamp(72px, 9vw, 118px) max(28px, calc((100% - var(--max))/2));
  background: var(--paper);
}

.section-kicker {
  color: var(--green-dark);
}

.section-kicker.light {
  color: var(--lime);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: end;
  margin: 26px 0 64px;
}

.section-heading.compact {
  margin-bottom: 46px;
}

.section-heading h2,
.status h2 {
  margin: 0;
  font: 700 clamp(38px, 4.6vw, 64px)/1 Helvetica, Arial, sans-serif;
  letter-spacing: -.045em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.validation-card {
  min-height: 310px;
  padding: 38px;
}

.validation-card.accepted {
  background: var(--green-pale);
}

.validation-card.guardrails {
  background: #efefed;
}

.validation-card h3 {
  max-width: 520px;
  margin: 58px 0 16px;
  font: 700 clamp(28px, 3vw, 40px)/1.05 Helvetica, Arial, sans-serif;
  letter-spacing: -.035em;
}

.validation-card>p:last-child {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.validation-card code {
  padding: .12em .3em;
  background: rgba(109, 136, 101, .14);
  color: var(--green-deep);
  font-size: .86em;
}

.guardrails ol {
  margin: 44px 0 0;
  padding-left: 24px;
  color: var(--muted);
}

.guardrails li {
  padding: 0 0 16px 8px;
  font-size: 16px;
  line-height: 1.45;
}

blockquote {
  margin: 2px 0 0;
  padding: 44px;
  border-left: 6px solid var(--green);
  background: var(--soft);
  font: 700 clamp(23px, 3vw, 38px)/1.2 Helvetica, Arial, sans-serif;
  letter-spacing: -.025em;
}

.actors {
  background: var(--soft);
}

.subject-band {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 2px;
  padding: 34px;
  border-left: 6px solid var(--green);
  background: #edf1f0;
}

.subject-band h3 {
  margin: 16px 0 0;
  font: 700 30px/1 Helvetica, Arial, sans-serif;
  letter-spacing: -.03em;
}

.subject-band p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.actor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.actor-card {
  min-height: 260px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.actor-card.required {
  background: var(--green-pale);
}

.actor-card.standards {
  background: var(--cream);
}

.actor-card.attestor {
  background: var(--green);
  color: #fff;
}

.actor-card.attestor .actor-type {
  color: var(--lime);
}

.actor-card.attestor p {
  color: rgba(255, 255, 255, .82);
}

.actor-type {
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.actor-card h3 {
  margin: 58px 0 12px;
  font: 700 27px/1 Helvetica, Arial, sans-serif;
  letter-spacing: -.03em;
}

.actor-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.separation-rule {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 34px;
  margin-top: 2px;
  padding: 30px;
  background: var(--green-deep);
  color: #fff;
}

.separation-rule strong {
  color: var(--lime);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.separation-rule p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
  line-height: 1.55;
}

.separation-rule code {
  color: var(--lime);
}

.actions {
  background: var(--green-deep);
  color: #fff;
}

.section-heading.inverse p {
  color: rgba(255, 255, 255, .72);
}

.action-flow {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, .22);
  list-style: none;
}

.action-flow>li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 30px;
  padding: 44px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}

.action-number {
  color: var(--lime);
  font-size: 12px;
  font-weight: 800;
}

.action-copy {
  display: grid;
  grid-template-columns: 150px 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.action-copy>code {
  width: fit-content;
  padding: 7px 10px;
  background: var(--lime);
  color: var(--green-deep);
  font-size: 15px;
  font-weight: 800;
}

.action-copy h3 {
  margin: 0;
  font: 700 clamp(24px, 2.5vw, 34px)/1.08 Helvetica, Arial, sans-serif;
  letter-spacing: -.03em;
}

.action-copy>p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  line-height: 1.55;
}

.action-copy dl {
  grid-column: 2/-1;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 7px 18px;
  margin: 4px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.action-copy dt {
  color: var(--lime);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.action-copy dd {
  margin: 0;
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
}

.callback-note {
  margin: 36px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
  line-height: 1.7;
}

.callback-note code {
  color: var(--lime);
}

.example {
  background: #fff;
}

.profile-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #fff;
}

.profile-table-wrap:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.profile-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  table-layout: fixed;
}

.profile-table th,
.profile-table td {
  padding: 26px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.profile-table th:last-child,
.profile-table td:last-child {
  border-right: 0;
}

.profile-table tbody tr:last-child th,
.profile-table tbody tr:last-child td {
  border-bottom: 0;
}

.profile-table thead th {
  padding-top: 18px;
  padding-bottom: 18px;
  background: var(--green-deep);
  color: var(--lime);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.profile-table thead th:nth-child(1) {
  width: 22%;
}

.profile-table thead th:nth-child(2) {
  width: 25%;
}

.profile-table thead th:nth-child(3) {
  width: 25%;
}

.profile-table thead th:nth-child(4) {
  width: 28%;
}

.profile-table tbody th {
  background: var(--green-pale);
  color: var(--green-deep);
  font-size: 17px;
  line-height: 1.35;
}

.profile-table tbody tr:nth-child(even) th {
  background: #edf1eb;
}

.profile-table tbody tr:nth-child(even) td {
  background: var(--soft);
}

.profile-table td {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.profile-number {
  display: block;
  margin-bottom: 34px;
  color: var(--green-dark);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: .08em;
}

.profile-note {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 34px;
  margin-top: 2px;
  padding: 30px;
  border-left: 5px solid var(--green);
  background: var(--soft);
}

.profile-note strong {
  color: var(--green-deep);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.profile-note p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.profile-note code {
  color: var(--green-deep);
  font-weight: 800;
}

.status {
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: clamp(50px, 9vw, 120px);
  padding: clamp(80px, 10vw, 130px) max(32px, calc((100vw - var(--max))/2));
  background: var(--green-pale);
}

.eyebrow.dark {
  color: var(--green-dark);
}

.status h2 {
  max-width: 760px;
  margin-top: 24px;
}

.status-copy>p:not(.eyebrow) {
  max-width: 700px;
  margin: 28px 0 34px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.button-dark {
  background: var(--green-deep);
  color: #fff;
}

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--green);
}

.status-list {
  border-top: 1px solid #b7c4b2;
}

.status-list div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid #b7c4b2;
}

.status-list span {
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 800;
}

.status-list strong {
  font-size: 17px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  padding: 64px max(32px, calc((100vw - var(--max))/2));
  background: var(--green-deep);
  color: #fff;
}

.footer-brand {
  margin: 0 0 8px;
  font: 800 24px Helvetica, Arial, sans-serif;
}

footer>div>p:last-child,
.footer-note {
  margin: 0;
  color: rgba(255, 255, 255, .65);
  font-size: 13px;
}

footer nav {
  display: flex;
  gap: 24px;
}

footer nav a {
  font-size: 14px;
  font-weight: 700;
  text-underline-offset: 5px;
}

.footer-note {
  grid-column: 1/-1;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .18);
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 1000px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero,
  .section-heading,
  .status {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .status-card {
    max-width: 520px;
  }

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

  .action-copy {
    grid-template-columns: 120px 1fr;
  }

  .action-copy>p,
  .action-copy dl {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 74px;
    padding: 12px 20px;
  }

  .header-cta {
    padding: 10px;
    font-size: 0;
  }

  .header-cta span {
    font-size: 16px;
  }

  .hero {
    gap: 48px;
    padding: 82px 24px 64px;
  }

  .hero h1 {
    font-size: clamp(45px, 14vw, 62px);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    margin: 2px 10px 0;
    padding: 66px 22px;
  }

  .section-heading {
    gap: 24px;
  }

  .validation-grid,
  .actor-grid,
  .subject-band,
  .separation-rule {
    grid-template-columns: 1fr;
  }

  .profile-table-wrap {
    margin-right: -22px;
    border-right: 0;
  }

  .profile-table th,
  .profile-table td {
    padding: 22px 20px;
  }

  .profile-note {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .validation-card {
    min-height: 270px;
    padding: 28px;
  }

  blockquote {
    padding: 34px 26px;
  }

  .action-flow>li {
    grid-template-columns: 38px 1fr;
    gap: 10px;
  }

  .action-copy {
    grid-template-columns: 1fr;
  }

  .action-copy>p,
  .action-copy dl {
    grid-column: 1;
  }

  .action-copy dl {
    grid-template-columns: 84px 1fr;
  }

  .status {
    padding: 72px 24px;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 56px 24px;
  }

  footer nav {
    flex-direction: column;
    gap: 16px;
  }

  .footer-note {
    grid-column: 1;
  }
}

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