:root {
  --bg: #f4efe4;
  --bg-deep: #e9dfcf;
  --surface: rgba(255, 251, 244, 0.74);
  --surface-strong: #fffaf2;
  --ink: #182328;
  --muted: #4d5d63;
  --line: rgba(24, 35, 40, 0.12);
  --teal: #0e5c63;
  --copper: #c46d4f;
  --gold: #d3a654;
  --olive: #6e7c5b;
  --shadow: 0 24px 60px rgba(19, 30, 33, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 10%, rgba(196, 109, 79, 0.18), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(14, 92, 99, 0.14), transparent 26%),
    radial-gradient(circle at 78% 88%, rgba(211, 166, 84, 0.16), transparent 25%),
    linear-gradient(180deg, #f7f2e8 0%, var(--bg) 45%, #f1ebdd 100%);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(24, 35, 40, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 35, 40, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 92%);
  opacity: 0.32;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  line-height: 1.65;
}

.page-shell {
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 18px auto 0;
  padding: 14px 18px;
  border: 1px solid rgba(255, 250, 242, 0.7);
  border-radius: 999px;
  background: rgba(255, 249, 238, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 30px rgba(18, 31, 34, 0.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), #1e7f88);
  color: #fdf8ef;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-copy span:last-child {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

.topnav a {
  color: var(--muted);
  transition: color 160ms ease;
}

.topnav a:hover,
.topnav a:focus-visible {
  color: var(--ink);
}

main {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 24px auto 56px;
}

.hero,
.section,
.footer {
  margin-top: 28px;
  padding: 32px;
  border: 1px solid rgba(255, 252, 245, 0.8);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -140px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 92, 99, 0.18) 0%, transparent 68%);
  filter: blur(8px);
}

.eyebrow,
.panel-label,
.principle-tag,
.mode-label,
.learning-label,
.panel-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: clamp(3.2rem, 8vw, 6rem);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 64ch;
  margin: 24px 0 0;
  font-size: 1.12rem;
  color: var(--muted);
}

.hero-note {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 1rem;
  color: var(--muted);
}

.hero-note a,
.ecosystem-path a,
.site-runtime a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: rgba(14, 92, 99, 0.3);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--teal), #146c74);
  color: #fff8f0;
  box-shadow: 0 12px 24px rgba(14, 92, 99, 0.22);
}

.button-secondary {
  border: 1px solid rgba(24, 35, 40, 0.12);
  background: rgba(255, 251, 244, 0.72);
  color: var(--ink);
}

.button-tertiary {
  border: 1px solid rgba(14, 92, 99, 0.22);
  background: rgba(14, 92, 99, 0.08);
  color: var(--teal);
}

.hero-panel {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(24, 35, 40, 0.08);
  border-radius: calc(var(--radius-xl) - 4px);
  background:
    linear-gradient(180deg, rgba(255, 250, 243, 0.96), rgba(248, 240, 229, 0.88)),
    linear-gradient(135deg, rgba(196, 109, 79, 0.08), rgba(14, 92, 99, 0.08));
}

.shift-grid {
  display: grid;
  gap: 14px;
}

.shift-grid article {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(24, 35, 40, 0.08);
}

.shift-grid span,
.operating-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(14, 92, 99, 0.1);
  color: var(--teal);
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-weight: 700;
}

.shift-grid h2,
.section h2,
.navigator-panel h3,
.search-note h3,
.mode-card h3,
.principle-card h3,
.operating-card h3,
.team-card h3,
.learning-card h3 {
  margin: 12px 0 10px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  letter-spacing: -0.02em;
}

.shift-grid h2 {
  font-size: 1.2rem;
}

.shift-grid p,
.section-heading p,
.navigator-panel p,
.search-note p,
.mode-card p,
.principle-card p,
.operating-card p,
.team-card p,
.learning-card p,
.footer p {
  margin: 0;
  color: var(--muted);
}

.section-heading {
  max-width: 70ch;
  margin-bottom: 22px;
}

.section h2 {
  margin-top: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.principle-grid,
.ecosystem-grid,
.mode-grid,
.operating-grid,
.team-grid,
.learning-grid {
  display: grid;
  gap: 18px;
}

.principle-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.principle-card,
.site-card,
.mode-card,
.operating-card,
.team-card,
.learning-card,
.navigator-panel,
.search-note,
.navigator-buttons button {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.principle-card,
.site-card,
.mode-card,
.operating-card,
.team-card,
.learning-card,
.search-note {
  padding: 22px;
  background: rgba(255, 251, 244, 0.72);
}

.ecosystem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    linear-gradient(180deg, rgba(255, 251, 244, 0.94), rgba(247, 239, 228, 0.84)),
    linear-gradient(135deg, rgba(211, 166, 84, 0.08), rgba(14, 92, 99, 0.05));
}

.site-card-current {
  background:
    linear-gradient(180deg, rgba(240, 250, 248, 0.96), rgba(233, 244, 241, 0.88)),
    linear-gradient(135deg, rgba(14, 92, 99, 0.11), rgba(196, 109, 79, 0.08));
  border-color: rgba(14, 92, 99, 0.22);
}

.site-domain {
  margin: 0;
  color: var(--teal);
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-guidance,
.site-runtime {
  padding-top: 14px;
  border-top: 1px solid rgba(24, 35, 40, 0.08);
}

.site-runtime {
  font-size: 0.96rem;
}

.site-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-actions .button {
  width: auto;
}

.ecosystem-path {
  margin: 18px 0 0;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 247, 237, 0.72);
  border: 1px solid rgba(196, 109, 79, 0.14);
  color: var(--muted);
}

.navigator-shell {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 18px;
}

.navigator-buttons {
  display: grid;
  gap: 12px;
}

.navigator-buttons button {
  width: 100%;
  padding: 18px;
  text-align: left;
  background: rgba(255, 251, 244, 0.58);
  color: var(--muted);
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.navigator-buttons button:hover,
.navigator-buttons button:focus-visible {
  transform: translateX(4px);
  border-color: rgba(14, 92, 99, 0.28);
  color: var(--ink);
}

.navigator-buttons button.is-active {
  background: linear-gradient(135deg, rgba(14, 92, 99, 0.16), rgba(196, 109, 79, 0.16));
  border-color: rgba(14, 92, 99, 0.32);
  box-shadow: 0 14px 24px rgba(18, 31, 34, 0.08);
  color: var(--ink);
}

.navigator-panel {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 251, 244, 0.96), rgba(247, 238, 226, 0.82)),
    linear-gradient(135deg, rgba(211, 166, 84, 0.08), rgba(14, 92, 99, 0.08));
}

.panel-summary {
  max-width: 62ch;
  margin-top: 10px;
  font-size: 1.02rem;
}

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

.panel-columns section {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(24, 35, 40, 0.08);
}

.panel-columns h4 {
  margin: 0 0 12px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.panel-columns ul,
.mode-card ul,
.learning-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.panel-columns li,
.mode-card li,
.learning-card li {
  margin-top: 10px;
  line-height: 1.5;
}

.mode-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.search-note {
  margin-top: 18px;
  background:
    linear-gradient(135deg, rgba(14, 92, 99, 0.1), rgba(211, 166, 84, 0.1)),
    rgba(255, 251, 244, 0.74);
}

.operating-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.operating-card {
  position: relative;
  overflow: hidden;
}

.operating-card::after {
  content: "";
  position: absolute;
  inset: auto -28px -36px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 92, 99, 0.1) 0%, transparent 70%);
}

.closing-quote {
  margin: 22px 0 0;
  padding: 24px 26px;
  border-left: 4px solid var(--copper);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  background: rgba(255, 247, 237, 0.84);
}

.closing-quote p {
  margin: 0;
  color: var(--ink);
  font-size: 1.12rem;
}

.team-grid,
.learning-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.team-card,
.learning-card {
  min-height: 100%;
}

.footer {
  text-align: center;
  background:
    linear-gradient(135deg, rgba(196, 109, 79, 0.08), rgba(14, 92, 99, 0.08)),
    rgba(255, 251, 244, 0.72);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(24, 35, 40, 0.12);
  background: rgba(255, 251, 244, 0.82);
  color: var(--ink);
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(14, 92, 99, 0.28);
  color: var(--teal);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .navigator-shell,
  .ecosystem-grid,
  .mode-grid,
  .operating-grid,
  .team-grid,
  .learning-grid,
  .principle-grid,
  .panel-columns {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 13ch;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    border-radius: 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .topnav {
    gap: 12px;
  }

  .hero,
  .section,
  .footer {
    padding: 24px;
  }

  .hero h1,
  .section h2 {
    max-width: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  main {
    width: min(var(--max-width), calc(100% - 20px));
    margin-top: 18px;
  }
}