:root {
  color-scheme: dark;
  --bg: #0c1014;
  --bg-soft: #111922;
  --panel: #16202a;
  --panel-strong: #1d2a35;
  --text: #f3f5f0;
  --muted: #b8c2bc;
  --faint: #829087;
  --line: rgba(255, 255, 255, 0.12);
  --amber: #df9d4a;
  --green: #8bcf9c;
  --blue: #83b4d8;
  --red: #d77768;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(223, 157, 74, 0.16), transparent 32rem),
    linear-gradient(180deg, #0c1014 0%, #11161b 42%, #0d1115 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(12, 16, 20, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.site-header nav {
  display: flex;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-header nav a {
  text-decoration: none;
}

.site-header nav a:hover,
.brand:hover {
  color: var(--amber);
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  gap: 0.5rem;
  padding: 1.15rem 0 0;
  color: var(--faint);
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.hero,
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: center;
  min-height: 72vh;
  padding: clamp(2rem, 5vw, 4.8rem) 0 3rem;
}

.landing {
  min-height: calc(100vh - 72px);
}

.landing-hero {
  grid-template-columns: minmax(0, 760px);
  align-content: center;
}

.homepage-hero {
  min-height: 76vh;
}

.homepage-board .evidence-grid {
  margin-top: 1rem;
}

.section-label {
  margin: 0 0 0.8rem;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 1rem;
  font-size: clamp(2.7rem, 8vw, 6.7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  line-height: 1.2;
}

p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy > p:not(.section-label),
.landing-hero p:not(.section-label) {
  max-width: 720px;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.filter-button,
.button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 0.7rem 1rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.filter-button:hover,
.button:hover,
.filter-button.active {
  border-color: rgba(223, 157, 74, 0.7);
  background: rgba(223, 157, 74, 0.14);
  color: #ffe3bd;
}

.button.secondary {
  border-color: rgba(131, 180, 216, 0.35);
  background: rgba(131, 180, 216, 0.08);
}

.hero-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a0d10;
  box-shadow: var(--shadow);
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-media figcaption {
  padding: 0.85rem 1rem;
  color: var(--faint);
  font-size: 0.82rem;
  line-height: 1.5;
}

.evidence-image {
  position: relative;
  z-index: 1;
  overflow: hidden;
  margin: 1.1rem 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #07090b;
}

.evidence-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.evidence-board {
  position: relative;
  min-height: 440px;
  padding: clamp(1rem, 3vw, 1.5rem);
  background:
    linear-gradient(135deg, rgba(223, 157, 74, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(29, 42, 53, 0.94), rgba(10, 13, 16, 0.98));
}

.evidence-board::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  pointer-events: none;
}

.evidence-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--faint);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-topline strong {
  color: var(--amber);
}

.evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  margin: 4rem 0 1.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.evidence-grid div {
  min-height: 132px;
  padding: 1rem;
  background: rgba(12, 16, 20, 0.78);
}

.evidence-grid span {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--faint);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.evidence-grid strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.12;
}

.evidence-board p {
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.quick-stats div {
  min-height: 128px;
  padding: 1.05rem;
  background: rgba(22, 32, 42, 0.9);
}

.quick-stats span,
.verification-grid span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--faint);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.quick-stats strong {
  display: block;
  min-height: 2.2rem;
  color: var(--text);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.1;
}

.quick-stats p {
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
}

.decision-panel,
.content-section {
  margin: clamp(2.5rem, 6vw, 5rem) 0;
}

.decision-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: start;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(29, 42, 53, 0.88), rgba(17, 25, 34, 0.9));
}

.goal-grid {
  display: grid;
  gap: 0.8rem;
}

.goal-grid a {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
}

.goal-grid a:hover {
  border-color: rgba(131, 180, 216, 0.65);
  background: rgba(131, 180, 216, 0.08);
}

.goal-grid span {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.goal-grid strong {
  line-height: 1.35;
}

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

.guide-card-grid article {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(29, 42, 53, 0.86), rgba(22, 32, 42, 0.72));
  padding: 1.1rem;
}

.card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #07090b;
}

.guide-card-grid h3 {
  margin-top: 1rem;
}

.guide-card-grid p {
  flex: 1;
  font-size: 0.95rem;
}

.guide-card-grid a {
  color: var(--blue);
  font-weight: 850;
  text-decoration: none;
}

.guide-card-grid a:hover {
  color: var(--amber);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 1.35rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 840px;
  border-collapse: collapse;
  background: rgba(22, 32, 42, 0.82);
}

th,
td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

th {
  color: var(--amber);
  font-size: 0.78rem;
  text-transform: uppercase;
}

td {
  color: var(--muted);
}

td strong {
  display: block;
  color: var(--text);
}

td span {
  display: block;
  color: var(--faint);
  font-size: 0.85rem;
}

.status {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.32rem 0.58rem;
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1;
}

.status.confirmed {
  background: rgba(139, 207, 156, 0.16);
  color: #baf1c6;
}

.status.reported {
  background: rgba(223, 157, 74, 0.16);
  color: #ffd39a;
}

.status.inferred {
  background: rgba(131, 180, 216, 0.16);
  color: #b9def7;
}

.role-list,
.verification-grid,
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.role-list article,
.verification-grid article,
.platform-grid article,
.hint-stack article,
details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(22, 32, 42, 0.8);
  padding: 1.1rem;
}

.role-list article p,
.verification-grid article p,
.platform-grid article p,
.hint-stack article p {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.platform-grid article {
  min-height: 190px;
}

.platform-grid .status {
  margin-bottom: 1rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 1.4rem;
  align-items: start;
}

.hint-stack {
  display: grid;
  gap: 1rem;
}

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

.timeline-grid article {
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(22, 32, 42, 0.8);
  padding: 1.1rem;
}

.timeline-grid span {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.notice-section {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(223, 157, 74, 0.34);
  border-radius: 8px;
  background: rgba(223, 157, 74, 0.08);
}

.source-list {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.3rem;
}

.source-list li {
  color: var(--muted);
  line-height: 1.65;
}

.source-list strong {
  color: var(--text);
}

.source-list a,
.source-list span {
  display: block;
  color: var(--blue);
}

.faq-section details + details {
  margin-top: 0.8rem;
}

summary {
  color: var(--text);
  font-weight: 850;
  cursor: pointer;
}

details p {
  margin: 0.8rem 0 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--faint);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .hero,
  .landing-hero,
  .decision-panel,
  .split-section {
    grid-template-columns: 1fr;
  }

  .quick-stats,
  .role-list,
  .verification-grid,
  .platform-grid,
  .guide-card-grid,
  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  main {
    width: min(100% - 1rem, 1180px);
  }

  .hero,
  .landing-hero {
    min-height: auto;
    padding-top: 2rem;
  }

  h1 {
    font-size: clamp(2.55rem, 15vw, 4rem);
  }

  .quick-stats,
  .role-list,
  .verification-grid,
  .platform-grid,
  .guide-card-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .button-row {
    display: grid;
  }

  .filter-button,
  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}