* {
  box-sizing: border-box;
}

:root {
  --ink: #17202a;
  --ink-soft: #2d3a45;
  --muted: #66737f;
  --paper: #ffffff;
  --wash: #f6f4ef;
  --wash-2: #eef5f3;
  --line: #dce3e1;
  --line-strong: #c8d4d1;
  --navy: #243a5a;
  --teal: #08786f;
  --green: #496f4a;
  --amber: #a46b1a;
  --red: #a6483e;
  --violet: #60577e;
  --code: #162730;
  --shadow: 0 22px 70px rgba(32, 45, 52, 0.12);
  --shadow-soft: 0 14px 38px rgba(32, 45, 52, 0.08);
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(36, 58, 90, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(36, 58, 90, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #fbfaf7 0%, var(--wash) 58%, #f8fbfa 100%);
  background-size: 48px 48px, 48px 48px, auto;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.64;
}

a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page {
  width: min(100%, 1240px);
  margin: 0 auto;
  padding: 24px 28px 40px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin: 0 -8px 28px;
  border-bottom: 1px solid rgba(220, 227, 225, 0.72);
  background: rgba(251, 250, 247, 0.86);
  backdrop-filter: blur(14px);
  padding: 12px 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.brand::before {
  content: "";
  width: 28px;
  height: 28px;
  border: 1px solid #b7c8c4;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #123f3a 0 48%, transparent 49%),
    linear-gradient(135deg, transparent 0 50%, #f0b45e 51% 100%);
  box-shadow: inset 0 0 0 5px #fff;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.nav-links a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
  padding: 8px 11px;
  text-decoration: none;
}

.nav-links a:hover {
  background: #edf4f2;
  color: var(--teal);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 42px;
  align-items: center;
  padding: 30px 0 44px;
}

.article-hero {
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  padding-bottom: 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 930px;
  font-size: clamp(2.55rem, 6.2vw, 5.85rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.article-hero h1 {
  font-size: clamp(2.25rem, 4.6vw, 4.55rem);
}

.dek {
  max-width: 780px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 1.14rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 900;
  padding: 10px 15px;
  text-decoration: none;
}

.button {
  border: 1px solid #143e39;
  background: #143e39;
  color: #fff;
  box-shadow: 0 12px 28px rgba(20, 62, 57, 0.18);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.export-pack {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1.22fr);
  gap: 20px;
  align-items: stretch;
  border: 1px solid #b8ccc7;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(20, 62, 57, 0.96), rgba(36, 58, 90, 0.94)),
    #143e39;
  box-shadow: var(--shadow);
  color: #fff;
  margin: 0 0 34px;
  padding: 20px;
}

.export-pack h2 {
  color: #fff;
  margin-bottom: 10px;
}

.export-pack p {
  color: rgba(255, 255, 255, 0.78);
}

.export-pack .section-kicker {
  color: #f0c783;
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.export-button,
.export-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 950;
  padding: 9px 13px;
}

.export-button {
  border: 1px solid #f0c783;
  background: #f0c783;
  color: #17202a;
}

.export-button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.export-status {
  min-height: 22px;
  color: #d5f0eb;
  font-size: 0.88rem;
  font-weight: 850;
}

.export-preview {
  display: grid;
  gap: 10px;
}

.export-preview label {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.82rem;
  font-weight: 950;
  text-transform: uppercase;
}

.export-textarea {
  width: 100%;
  max-width: 100%;
  min-height: 320px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(7, 23, 27, 0.72);
  color: #edf9f7;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.55;
  padding: 14px;
}

.meta-row,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.pill,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  padding: 5px 10px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 850;
}

.hero-panel,
.visual-system {
  border: 1px solid rgba(194, 207, 203, 0.9);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    radial-gradient(circle at 100% 0%, rgba(240, 180, 94, 0.18), transparent 30%);
  box-shadow: var(--shadow);
  padding: 18px;
}

.visual-system {
  display: grid;
  gap: 14px;
  min-height: 430px;
}

.visual-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.visual-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.visual-score {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 950;
}

.system-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
}

.system-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
  padding: 14px;
}

.system-card h3,
.system-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.system-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.lane {
  display: grid;
  gap: 8px;
}

.lane-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid #e4ebe8;
  border-radius: 8px;
  background: #fff;
  padding: 9px 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
}

.lane-item span:last-child {
  color: var(--teal);
  white-space: nowrap;
}

.workflow-board {
  display: grid;
  gap: 12px;
}

.workflow-step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  padding: 13px;
}

.workflow-step span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #e4f3f0;
  color: var(--teal);
  font-weight: 950;
}

.workflow-step strong {
  display: block;
  margin-bottom: 2px;
}

.workflow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

main {
  display: grid;
  gap: 32px;
}

section {
  padding: 34px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 18px;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 950;
  text-transform: uppercase;
}

.card,
.topic-card,
.feature-panel,
.index-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 22px 0 8px;
  font-size: 1.08rem;
  line-height: 1.25;
}

p {
  margin: 0 0 14px;
}

.lead {
  color: var(--muted);
  font-size: 1.04rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  align-items: start;
  padding: 22px;
}

.feature-number {
  color: var(--teal);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.9;
}

.topic-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 20px;
}

.topic-card h3 {
  margin-top: 0;
}

.topic-card p {
  color: var(--muted);
}

.topic-card .cta {
  margin-top: auto;
  padding-top: 8px;
}

.topic-card .cta a,
.index-row a:last-child {
  font-weight: 900;
  text-decoration: none;
}

.status {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  border-radius: 999px;
  padding: 5px 10px;
  background: #e3f2ef;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 950;
}

.status-soon {
  background: #f7eddb;
  color: var(--amber);
}

.library-list {
  display: grid;
  gap: 10px;
}

.index-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr) minmax(160px, 0.55fr);
  gap: 16px;
  align-items: center;
  padding: 16px;
}

.index-row h3 {
  margin: 0 0 4px;
}

.index-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.index-row small {
  color: var(--muted);
  font-weight: 850;
}

ul,
ol {
  margin: 10px 0 0;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 14px;
  background: var(--paper);
  font-size: 0.92rem;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  vertical-align: top;
  text-align: left;
}

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

th {
  background: #eef6f4;
  color: #123f3a;
}

code {
  border-radius: 6px;
  background: #edf2f4;
  color: var(--code);
  padding: 2px 5px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
}

.layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.layout > *,
.grid-2 > *,
.grid-3 > *,
.feature-panel > *,
.system-row > *,
.export-pack > * {
  min-width: 0;
}

.layout main {
  gap: 18px;
  min-width: 0;
  max-width: 100%;
}

.layout main > * {
  min-width: 0;
  max-width: 100%;
}

.toc {
  position: sticky;
  top: 86px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

.toc h2 {
  margin: 0 0 12px;
  font-size: 0.92rem;
}

.toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
  border-top: 1px solid #edf1f3;
}

.article-body,
#library,
#workflow,
#sources,
#template,
#rules,
#checklist,
#faq {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
  padding: 24px;
}

.article-body p {
  font-size: 1.02rem;
}

.article-body .lede {
  color: var(--ink);
  font-size: 1.14rem;
  line-height: 1.7;
}

.callout {
  border-left: 4px solid var(--amber);
  background: #fff8ec;
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
}

.pullquote {
  border-left: 4px solid var(--teal);
  background: #edf8f6;
  border-radius: 0 8px 8px 0;
  color: #123f3a;
  font-size: 1.08rem;
  font-weight: 850;
  margin: 22px 0;
  padding: 16px 18px;
}

.code-block {
  overflow-x: auto;
  border-radius: 8px;
  background: #172630;
  color: #eaf2f4;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 16px 0;
  padding: 16px;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.check-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  padding: 14px;
}

.check-item strong {
  display: block;
  margin-bottom: 4px;
}

.check-item span {
  color: var(--muted);
}

.source-list {
  columns: 2;
  column-gap: 28px;
}

footer {
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .hero,
  .article-hero,
  .layout,
  .grid-3,
  .grid-2,
  .feature-panel,
  .system-row,
  .export-pack {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

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

  .index-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .page {
    padding: 16px;
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 18px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 12px;
  }

  .hero-panel,
  .visual-system,
  .export-pack,
  .article-body,
  #library,
  #workflow,
  #sources,
  #template,
  #rules,
  #checklist,
  #faq {
    padding: 16px;
  }

  .source-list {
    columns: 1;
  }
}