:root {
  --green-950: #0c241b;
  --green-900: #123326;
  --green-800: #1b4636;
  --green-700: #2d5a47;
  --green-600: #3e6f59;
  --ink: #1d2a24;
  --text: #202720;
  --muted: #626a64;
  --line: #c7ccc8;
  --line-strong: #9fa8a2;
  --paper: #ffffff;
  --panel: #f4f6f5;
  --panel-2: #eef2f0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background: #f2f4f3;
}

a { color: inherit; text-decoration: none; }
p, li { font-family: Arial, Helvetica, sans-serif; line-height: 1.6; }

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px 1fr;
}

.sidebar {
  background: linear-gradient(180deg, var(--green-950), var(--green-900) 55%, #0a1d16 100%);
  color: #fff;
  padding: 28px 22px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.site-title {
  font-size: 1.05rem;
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 6px 4px 28px;
}

.sidebar-rule {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.42);
  margin: 0 4px 18px;
}

.nav-list { list-style: none; padding: 0; margin: 0; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 14px;
  margin: 4px 0;
  border-radius: 4px;
  color: rgba(255,255,255,0.96);
  transition: background-color .15s ease;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
}

.nav-link:hover,
.nav-link.active { background: rgba(135, 148, 138, 0.34); }

.nav-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.content { background: var(--paper); padding: 36px 44px 44px; }
.page-wrap { max-width: 1180px; margin: 0 auto; }

.top-rule,
.section-rule,
.bottom-rule { border: 0; border-top: 1px solid var(--line-strong); }
.top-rule { margin: 2px 0 22px; }
.section-rule { margin: 28px 0 22px; }
.bottom-rule { margin: 34px 0 0; }

h1 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: clamp(2.8rem, 5.8vw, 5rem);
  line-height: 1.02;
  font-weight: 700;
}

h2 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: clamp(1.8rem, 2vw, 2.5rem);
  line-height: 1.12;
  font-weight: 700;
}

h3 { color: var(--ink); }

.intro-box {
  border-left: 6px solid var(--green-700);
  background: var(--panel);
  padding: 22px 26px;
  margin: 8px 0 0;
}

.definition {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: 1.55;
  color: var(--ink);
  font-weight: 700;
}

.purpose-text { margin: 6px 0 0; font-size: 1.1rem; }
.process-intro, .page-intro { margin: 6px 0 0; color: var(--text); max-width: 980px; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.process-card, .info-card, .provider-card {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
}

.process-card {
  padding: 18px 18px 22px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.step-badge {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--green-900);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-icon-wrap {
  width: 98px;
  height: 98px;
  border-radius: 50%;
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.step-icon {
  width: 58px;
  height: 58px;
  stroke: var(--green-900);
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.process-card h3 {
  margin: 0;
  text-align: center;
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.2;
  min-height: 52px;
}

.card-divider {
  width: 52px;
  border: 0;
  border-top: 2px solid var(--green-600);
  margin: 14px auto 14px;
}

.process-card p {
  margin: 0;
  text-align: center;
  color: var(--text);
  font-size: 0.94rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.info-card { padding: 22px; }
.info-card h3 { margin: 0 0 10px; font-size: 1.15rem; }

.providers-list { margin-top: 22px; }
.provider-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  min-height: 78px;
  margin-bottom: 10px;
}
.provider-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
  height: 100%;
}
.provider-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--green-900);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.provider-text { padding: 14px 18px; font-family: Arial, Helvetica, sans-serif; }

.spec-list { margin: 20px 0 0 18px; padding: 0 0 0 18px; }
.spec-list li { margin-bottom: 12px; padding-left: 6px; }

.page-footer { height: 20px; }

@media (max-width: 1180px) {
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; padding-bottom: 18px; }
  .content { padding: 24px 18px 28px; }
  .process-grid { grid-template-columns: 1fr; }
  .provider-card { grid-template-columns: 60px 1fr; }
}

/* Fixed desktop sizing for screenshots and standards-style layout */
h1 { font-size: 72px; }
h2 { font-size: 34px; }
.definition { font-size: 24px; }
.nav-icon, .nav-icon * { stroke: #ffffff; fill: none; }
.step-icon, .step-icon * { stroke: var(--green-900); fill: none; }
.provider-icon svg, .provider-icon svg * { stroke: var(--green-900); fill: none; }
@media (max-width: 860px) {
  h1 { font-size: 44px; }
  h2 { font-size: 28px; }
  .definition { font-size: 18px; }
}

.reference-listing {
  margin-top: 24px;
  border: 1px solid var(--line-strong);
  background: #ffffff;
}

.reference-heading {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--green-900);
  padding: 12px 18px;
  font-weight: 700;
}

.reference-body {
  padding: 22px 24px;
}

.reference-name {
  font-size: 1.7rem;
  line-height: 1.15;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 18px;
}

.reference-details {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
  border-top: 1px solid var(--line);
}

.reference-details div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.reference-details dt {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  color: var(--ink);
}

.reference-details dd {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  color: var(--text);
}

.reference-details a {
  color: var(--green-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 640px) {
  .reference-details div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.download-button {
  display: inline-block;
  margin: 22px 0 4px;
  padding: 18px 24px;
  background: var(--green-900);
  color: #ffffff;
  border: 1px solid var(--green-950);
  border-radius: 6px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 2px 0 rgba(0,0,0,0.12);
}

.download-button:hover {
  background: var(--green-800);
}

.reference-link {
  color: var(--green-900);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

.source-note {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 4px solid var(--green-700);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.95rem;
}

/* Large visible action buttons */
.download-button,
a.download-button,
a.download-button:visited {
  display: block !important;
  width: 100% !important;
  max-width: 760px !important;
  margin: 24px 0 10px !important;
  padding: 22px 26px !important;
  background: #123326 !important;
  color: #ffffff !important;
  border: 2px solid #0c241b !important;
  border-radius: 8px !important;
  font-family: Arial, Helvetica, sans-serif !important;
  font-size: 1.15rem !important;
  line-height: 1.3 !important;
  font-weight: 700 !important;
  text-align: center !important;
  text-decoration: none !important;
  box-shadow: 0 4px 0 rgba(0,0,0,0.18) !important;
}

.download-button:hover,
a.download-button:hover {
  background: #1b4636 !important;
  color: #ffffff !important;
}