:root {
  color-scheme: dark light;
  --bg: #100e0b;
  --bg-glow: #18140e;
  --ink: #ebe5d6;
  --ink-body: #918b7d;
  --ink-faint: #6b665b;
  --accent: #2bc78a;
  --accent-br: #3ad79a;
  --line: rgba(235, 229, 214, 0.10);
  --line-soft: rgba(235, 229, 214, 0.06);
  --panel: rgba(255, 255, 255, 0.018);
  --panel-strong: rgba(255, 255, 255, 0.04);
  --pill-bg: rgba(255, 255, 255, 0.03);
  --danger: #d68a72;
  --danger-soft: rgba(214, 138, 114, 0.16);
  --serif: Georgia, "Times New Roman", serif;
  --display: "Oswald", "Bahnschrift", "DIN Alternate", "Saira Condensed", sans-serif;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --maxw: 1280px;
  --gutter: clamp(22px, 5vw, 80px);
  --radius: 2px;
}

:root[data-theme="light"] {
  --bg: #f5f0e6;
  --bg-glow: #fff8ec;
  --ink: #171410;
  --ink-body: #3f392f;
  --ink-faint: #6b665b;
  --line: rgba(23, 20, 16, 0.10);
  --line-soft: rgba(23, 20, 16, 0.06);
  --panel: rgba(255, 255, 255, 0.74);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --pill-bg: rgba(255, 255, 255, 0.9);
  --danger-soft: rgba(214, 138, 114, 0.14);
}

:root[data-theme="dark"] {
  --bg: #100e0b;
  --bg-glow: #18140e;
  --ink: #ebe5d6;
  --ink-body: #918b7d;
  --ink-faint: #6b665b;
  --line: rgba(235, 229, 214, 0.10);
  --line-soft: rgba(235, 229, 214, 0.06);
  --panel: rgba(255, 255, 255, 0.018);
  --panel-strong: rgba(255, 255, 255, 0.04);
  --pill-bg: rgba(255, 255, 255, 0.03);
  --danger-soft: rgba(214, 138, 114, 0.16);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f0e6;
    --bg-glow: #fff8ec;
    --ink: #171410;
    --ink-body: #3f392f;
    --ink-faint: #6b665b;
    --line: rgba(23, 20, 16, 0.10);
    --line-soft: rgba(23, 20, 16, 0.06);
    --panel: rgba(255, 255, 255, 0.74);
    --panel-strong: rgba(255, 255, 255, 0.92);
    --pill-bg: rgba(255, 255, 255, 0.9);
    --danger-soft: rgba(214, 138, 114, 0.14);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(ellipse 90% 60% at 50% -8%, var(--bg-glow) 0%, var(--bg) 58%);
  color: var(--ink-body);
  font-family: var(--body);
  font-weight: 300;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
dl {
  margin: 0;
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  max-width: 13ch;
}

h2 {
  font-family: var(--display);
  font-weight: 500;
  color: var(--accent);
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h3,
h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
}

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #0b0a07;
}

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

.site-header,
.hero,
.contract-strip,
.auth-panel,
.surface-shell,
.topology-section,
.site-footer {
  width: min(var(--maxw), calc(100vw - 28px));
  margin: 0 auto;
}

.site-header {
  padding-top: 1rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  min-height: 4.5rem;
  border-bottom: 1px solid var(--line-soft);
}

.wordmark,
.footer-wordmark {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  text-decoration: none;
}

.wordmark {
  font-size: 1.5rem;
}

.wordmark span,
.footer-wordmark span {
  color: var(--ink-faint);
  font-size: 0.9rem;
  margin-left: 0.4rem;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.theme-toggle {
  min-height: 2rem;
  padding: 0.35rem 0.8rem;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-top: clamp(4rem, 8vw, 8rem);
  padding-bottom: 3rem;
}

.eyebrow {
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.lede,
.body-copy,
.microcopy,
.panel-copy,
.muted,
.footer-copy,
.footer-signpost {
  color: var(--ink-body);
}

.lede {
  max-width: 54ch;
  margin-top: 1.8rem;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin-top: 2rem;
}

button,
.secondary-link {
  min-height: 2.8rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

button {
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

button:hover:not(:disabled),
.secondary-link:hover {
  border-color: rgba(43, 199, 138, 0.55);
  color: var(--accent);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  color: var(--ink-body);
  text-decoration: none;
}

.microcopy {
  margin-top: 1rem;
  max-width: 58ch;
  font-size: 0.92rem;
}

.boundary-card,
.contract-strip,
.auth-panel,
.panel,
.summary-card,
.opportunity-card,
.timeline-row,
.draft-card,
.topology-section figure,
.warning {
  border: 1px solid var(--line);
  background: var(--panel);
}

.boundary-card,
.contract-strip,
.auth-panel,
.topology-section {
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
}

.boundary-card {
  padding: 1.5rem;
}

.boundary-card p {
  margin-top: 0.8rem;
}

.pill-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pill,
.chip-row .pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--ink-body);
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pill-accent {
  border-color: rgba(43, 199, 138, 0.55);
  color: var(--accent);
}

.pill-danger {
  border-color: rgba(214, 138, 114, 0.5);
  background: var(--danger-soft);
  color: var(--danger);
}

.contract-strip,
.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.8fr) minmax(14rem, 0.6fr);
  gap: 1rem 1.25rem;
  padding: 1.25rem;
  margin-top: 1rem;
}

.section-heading {
  display: grid;
  gap: 0.55rem;
}

.contract-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  grid-column: span 2;
}

.contract-grid div {
  padding: 0.9rem;
  border: 1px solid var(--line-soft);
  background: var(--panel-strong);
}

dt {
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.3rem;
}

dd {
  margin: 0;
  color: var(--ink);
}

.auth-box {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.status-line {
  min-height: 2.5rem;
}

.role-picker {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0.9rem;
  border: 1px solid var(--line-soft);
}

.role-picker legend {
  padding: 0 0.4rem;
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.warning {
  padding: 1rem 1.1rem;
  margin: 1rem auto 0;
  color: var(--ink);
}

.surface-shell {
  display: grid;
  gap: 1.2rem;
  padding: 1.2rem 0 3rem;
}

.surface {
  display: grid;
  gap: 1rem;
}

.surface-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.summary-card {
  padding: 1rem;
}

.summary-card strong {
  display: block;
  font-family: var(--serif);
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.panel-grid,
.dossier-grid,
.topology-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.panel {
  grid-column: span 4;
  padding: 1rem;
  min-height: 14rem;
}

.panel-wide {
  grid-column: span 8;
}

.panel h3 {
  margin-bottom: 0.8rem;
  font-size: 1.25rem;
}

.opportunity-list,
.pipeline-list {
  display: grid;
  gap: 0.8rem;
}

.opportunity-card,
.timeline-row,
.draft-card {
  padding: 0.9rem;
}

.opportunity-card h4 {
  font-size: 1.08rem;
  margin-bottom: 0.2rem;
}

.chip-row {
  margin: 0.7rem 0;
}

.pipeline-list strong,
.draft-card strong {
  color: var(--ink);
}

.task-list,
.timeline-list,
.simple-list {
  padding-left: 1.1rem;
}

.task-list li,
.timeline-list li,
.simple-list li {
  margin-top: 0.55rem;
}

.task-list li:first-child,
.timeline-list li:first-child,
.simple-list li:first-child {
  margin-top: 0;
}

.disabled-action {
  width: 100%;
  margin-top: 1rem;
}

.dossier-grid .panel {
  grid-column: span 6;
}

.detail-list {
  display: grid;
  grid-template-columns: minmax(9rem, 11rem) 1fr;
  gap: 0.6rem 1rem;
}

.detail-list dt {
  margin-bottom: 0;
}

.detail-list dd {
  color: var(--ink-body);
}

.topology-section {
  padding: 1.2rem;
  margin-bottom: 3rem;
}

.topology-grid {
  margin-top: 1rem;
}

.topology-grid figure {
  grid-column: span 6;
  margin: 0;
  padding: 0.85rem;
}

.topology-grid img {
  width: 100%;
  display: block;
  height: auto;
}

.topology-grid figcaption {
  margin-top: 0.65rem;
  color: var(--ink-body);
}

.site-footer {
  padding: 0 0 3rem;
}

.footer-inner {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 0.75rem;
}

.footer-signpost {
  color: var(--ink);
}

@media (max-width: 1024px) {
  .hero,
  .contract-strip,
  .auth-panel {
    grid-template-columns: 1fr;
  }

  .contract-grid {
    grid-column: auto;
  }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .panel,
  .panel-wide,
  .dossier-grid .panel,
  .topology-grid figure {
    grid-column: span 12;
  }
}

@media (max-width: 640px) {
  .topbar-meta {
    flex-direction: column;
    align-items: start;
  }

  .detail-list {
    grid-template-columns: 1fr;
  }
}