:root {
  --bg: #f5f2ea;
  --surface: #fffdf7;
  --surface-muted: #ece8dd;
  --text-primary: #151512;
  --text-secondary: #66635c;
  --text-muted: #8a857a;
  --border: #d8d4ca;
  --border-strong: #beb9ad;
  --primary: #263f3a;
  --primary-hover: #1c302c;
  --seal: #d84a2b;
  --seal-soft: #f6dcd4;
  --highlight: #f6e27a;
  --highlight-soft: #fff4ae;
  --info: #536d79;
  --confirmed: #3f6b4b;
  --attention: #b9782e;
  --risk: #a94737;
  --shadow-soft: rgba(21, 21, 18, 0.06);
  --font-ui: "Inter", "Geist", "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-editorial: "Newsreader", "Source Serif 4", Georgia, serif;
}

[data-theme="dark"] {
  --bg: #161714;
  --surface: #20211d;
  --surface-muted: #292a25;
  --text-primary: #f0eadf;
  --text-secondary: #b4aea3;
  --text-muted: #8f897f;
  --border: #3a3a34;
  --border-strong: #504f47;
  --primary: #a7c8bc;
  --primary-hover: #c1d8d0;
  --seal: #f26a45;
  --seal-soft: #3c241e;
  --highlight: #e8ca5a;
  --highlight-soft: #3b3420;
  --info: #9bb7c4;
  --confirmed: #87b38d;
  --attention: #d6a157;
  --risk: #d98778;
  --shadow-soft: rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-ui);
  line-height: 1.55;
  background: var(--bg);
  color: var(--text-primary);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 1% 0%, #f8f6ee 0%, transparent 30%),
    linear-gradient(180deg, #f8f6ee 0%, var(--bg) 60%, #f0ecdf 100%);
  color: var(--text-primary);
}

main {
  flex: 1;
}

a {
  color: var(--info);
  text-decoration-thickness: 1.25px;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  letter-spacing: 0;
}

h1 {
  font-family: var(--font-editorial);
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
}

h3 {
  font-size: 22px;
  line-height: 1.25;
}

p {
  margin: 0 0 12px;
}

ol,
ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
}

ol li + li,
ul li + li {
  margin-top: 8px;
}

.lead {
  font-size: 20px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 58ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  font-weight: 700;
}

.eyebrow::after {
  content: "";
  width: 24px;
  height: 4px;
  background: var(--highlight);
  border-radius: 999px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 80%, white 20%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 13px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  margin-right: auto;
  white-space: nowrap;
}

.brand-dot {
  color: var(--seal);
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  padding: 8px 4px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav-links li {
  display: block;
}

.nav-links a[aria-current="page"] {
  color: var(--text-primary);
}

.nav-cta {
  border: 1px solid var(--primary);
  border-radius: 6px;
  padding: 8px 12px;
  background: var(--primary);
  color: var(--surface) !important;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--primary-hover);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-primary);
}

.hero,
.section,
.footer-grid,
.muted-note {
  width: min(1120px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.hero {
  padding: 72px 0 48px;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.85fr);
  align-items: start;
}

.hero-single {
  grid-template-columns: 1fr;
}

.status-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px 16px;
  align-self: start;
  box-shadow: 0 3px 10px var(--shadow-soft);
}

.status-panel h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.status-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.status-panel li {
  display: grid;
  gap: 4px;
  border-top: 1px dashed var(--border);
  padding-top: 10px;
}

.status-panel li:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-panel span,
.status-panel small,
.status-panel strong {
  display: block;
}

.status-panel span {
  color: var(--text-secondary);
  font-size: 13px;
}

.status-panel small {
  color: var(--text-muted);
  font-size: 12px;
}

.status-panel strong {
  color: var(--text-primary);
}

.section {
  padding: 42px 0;
}

.section-muted {
  background: var(--surface-muted);
  margin-left: 0;
  margin-right: 0;
  padding-top: 56px;
  padding-bottom: 56px;
  width: min(1160px, 100%);
}

.section p {
  color: var(--text-secondary);
}

.grid,
.use-case-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid article,
.use-case-strip article,
.text-link-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 14px;
  display: block;
}

.text-link-card {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.4;
}

.use-case-strip-large {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.use-case-strip-large article {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.button,
button,
input[type="submit"] {
  border-radius: 6px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 650;
}

.button,
button,
input[type="submit"] {
  background: var(--primary);
  color: #fff;
}

.button.secondary,
button.secondary,
input[type="submit"].secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.button:hover,
.button:focus-visible,
button:hover,
button:focus-visible,
input[type="submit"]:hover,
input[type="submit"]:focus-visible {
  background: var(--primary-hover);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--surface-muted);
}

.button.secondary:focus-visible,
button.secondary:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 30%, transparent);
  outline-offset: 2px;
}

.final-cta {
  text-align: center;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.status-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface);
}

.status-card-single {
  display: grid;
  gap: 8px;
  list-style: none;
  padding: 14px;
}

.status-card-single ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.status-card-single li {
  padding-left: 0;
}

.tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 650;
}

.confirmed {
  background: rgba(63, 107, 75, 0.12);
  color: var(--confirmed);
}

.attention {
  background: rgba(185, 120, 46, 0.12);
  color: var(--attention);
}

.risk {
  background: rgba(169, 71, 55, 0.11);
  color: var(--risk);
}

.action {
  background: rgba(62, 111, 157, 0.12);
  color: #335066;
}

[data-theme="dark"] .action {
  background: rgba(155, 183, 196, 0.12);
  color: var(--info);
}

.file-list {
  margin: 0;
  color: var(--text-secondary);
}

.suggested-message {
  border: 1px dashed var(--border-strong);
  background: var(--highlight-soft);
  border-radius: 8px;
  padding: 14px;
  line-height: 1.6;
  color: var(--text-primary);
}

#join-form {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
  display: grid;
  gap: 12px;
}

#join-form label {
  display: grid;
  gap: 6px;
  color: var(--text-secondary);
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 40px;
  padding: 10px;
  font: inherit;
  color: var(--text-primary);
  background: #fff;
}

textarea {
  min-height: 94px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.checkbox-grid input {
  min-height: auto;
  width: 16px;
}

.muted-note {
  margin-top: 12px;
  color: var(--text-muted);
}

.muted-note a {
  color: var(--text-secondary);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 32px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.footer-grid h3 {
  margin-bottom: 10px;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.footer-grid a {
  display: block;
  text-decoration: none;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-size: 14px;
}

.site-footer > p {
  margin: 18px 20px 0;
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .grid,
  .use-case-strip,
  .use-case-strip-large,
  .status-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-muted {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

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

@media (max-width: 860px) {
  .site-header {
    position: static;
  }

  .nav-wrap {
    position: relative;
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .nav-links {
    position: absolute;
    top: 58px;
    right: 20px;
    left: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    z-index: 40;
    box-shadow: 0 10px 20px var(--shadow-soft);
  }

  .nav-links a {
    padding: 10px;
  }

  body.mobile-nav-open .nav-links {
    display: flex;
  }

  body.mobile-nav-open .nav-toggle {
    border-color: var(--primary);
  }
}

@media (max-width: 600px) {
  .hero,
  .section,
  .footer-grid,
  .muted-note {
    width: calc(100% - 24px);
  }

  h1 {
    font-size: clamp(34px, 10vw, 42px);
  }

  h2 {
    font-size: clamp(24px, 7vw, 32px);
  }

  .lead {
    font-size: 18px;
  }
}