:root {
  --bg: #07131f;
  --bg-soft: #0d2031;
  --panel: rgba(9, 22, 35, 0.86);
  --panel-strong: #0f2235;
  --line: rgba(157, 197, 232, 0.18);
  --text: #f3f5ef;
  --muted: #adc0d0;
  --accent: #6cf0c2;
  --accent-strong: #f2b35d;
  --accent-soft: rgba(108, 240, 194, 0.16);
  --danger: #ff867f;
  --shadow: 0 24px 72px rgba(1, 8, 16, 0.42);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.shell-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(108, 240, 194, 0.22), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(242, 179, 93, 0.18), transparent 28%),
    radial-gradient(circle at 40% 100%, rgba(86, 133, 255, 0.18), transparent 34%),
    linear-gradient(180deg, #07131f 0%, #081726 44%, #0a1621 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
}

.shell-background {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.shell-orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  filter: blur(0.2px);
  animation: shellFloat 18s ease-in-out infinite;
}

.shell-orbit-a {
  width: 28rem;
  height: 28rem;
  top: -10rem;
  right: -8rem;
}

.shell-orbit-b {
  width: 18rem;
  height: 18rem;
  bottom: 12%;
  left: -6rem;
  animation-duration: 24s;
}

.shell-orbit-c {
  width: 10rem;
  height: 10rem;
  right: 18%;
  bottom: 10%;
  animation-duration: 12s;
}

@keyframes shellFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  50% {
    transform: translate3d(0, -18px, 0) rotate(8deg);
  }
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(5, 17, 28, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header-inner,
.site-footer-inner,
.section-inner,
.hero-inner {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.8rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
}

.site-brand-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, rgba(108, 240, 194, 0.3), rgba(86, 133, 255, 0.32));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.site-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
}

.site-nav-panel {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav-link {
  padding: 0.55rem 0.9rem;
  color: var(--muted);
  font-size: 0.96rem;
  border-radius: 999px;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.site-nav-link.is-current {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-1px);
}

.shell-main {
  padding-bottom: 5rem;
}

.hero-section {
  padding: 5rem 0 3.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  gap: 2rem;
  align-items: start;
}

.eyebrow {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  padding: 0.38rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 1rem 0 1rem;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(2.9rem, 5.8vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-title em {
  color: var(--accent);
  font-style: normal;
}

.hero-copy {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions,
.pill-row,
.tag-row,
.footer-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-actions {
  margin-top: 1.6rem;
}

.button,
.button-secondary,
.button-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.95rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button {
  background: linear-gradient(135deg, var(--accent) 0%, #8ef6d0 100%);
  color: #07211d;
  box-shadow: 0 18px 40px rgba(108, 240, 194, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.button-text {
  color: var(--accent);
  padding-left: 0;
}

.button:hover,
.button-secondary:hover,
.button-text:hover {
  transform: translateY(-1px);
}

.hero-panel,
.section-card,
.card,
.signal-panel,
.quote-panel,
.archive-card,
.contact-card,
.list-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.4rem;
}

.panel-label,
.section-label {
  color: var(--accent-strong);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mono-block {
  margin-top: 0.9rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(4, 12, 20, 0.9);
  color: #a6ffc9;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.92rem;
  overflow-x: auto;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.metric {
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.metric span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 1.5rem 0 0;
}

.section-inner {
  display: grid;
  gap: 1.4rem;
}

.section-header {
  display: grid;
  gap: 0.55rem;
  max-width: 46rem;
}

.section-title {
  margin: 0;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.05;
}

.section-copy {
  margin: 0;
  color: var(--muted);
}

.grid-2,
.grid-3,
.grid-4,
.card-grid {
  display: grid;
  gap: 1rem;
}

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

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

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

.card,
.contact-card,
.list-card,
.archive-card,
.section-card,
.quote-panel {
  padding: 1.25rem;
}

.card h3,
.contact-card h3,
.list-card h3,
.archive-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
}

.card p,
.contact-card p,
.list-card p,
.archive-card p,
.quote-panel p {
  margin: 0;
  color: var(--muted);
}

.card-meta,
.micro-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.84rem;
}

.cta-strip {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(242, 179, 93, 0.12), rgba(108, 240, 194, 0.09));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.95fr);
  gap: 1rem;
}

.timeline,
.signal-list,
.detail-list,
.archive-links {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li,
.signal-list li,
.detail-list li,
.archive-links li {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline strong,
.signal-list strong,
.detail-list strong {
  display: block;
  margin-bottom: 0.28rem;
}

.quote-panel blockquote {
  margin: 0;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.4rem;
  line-height: 1.3;
}

.quote-panel footer {
  margin-top: 0.85rem;
  color: var(--muted);
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 2rem 0 3rem;
}

.site-footer-inner {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-headline {
  margin: 0;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: 1.5rem;
}

.footer-copy,
.footer-meta {
  margin: 0;
  color: var(--muted);
}

.footer-link-row a {
  color: var(--muted);
}

.footer-link-row a:hover {
  color: var(--text);
}

.archive-card {
  width: min(calc(100% - 2rem), 42rem);
  margin: 5rem auto;
}

.archive-card h1 {
  margin: 0 0 0.7rem;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-size: clamp(2.2rem, 5vw, 3rem);
}

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

.archive-card .hero-actions {
  margin-top: 1.1rem;
}

.lede {
  font-size: 1.05rem;
  color: var(--muted);
}

.shell-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.shell-table th,
.shell-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.shell-table th {
  color: var(--accent-strong);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shell-table td {
  color: var(--muted);
}

.shell-table tr:last-child td {
  border-bottom: none;
}

.notice {
  padding: 0.95rem 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 134, 127, 0.1);
  border: 1px solid rgba(255, 134, 127, 0.18);
  color: #ffd5d2;
}

@media (max-width: 980px) {
  .hero-inner,
  .split-layout,
  .grid-2,
  .grid-3,
  .grid-4,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding-top: 3.75rem;
  }

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

  .site-nav-toggle {
    display: inline-flex;
  }

  .site-nav-panel {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.8rem;
    border-radius: var(--radius-lg);
    background: rgba(5, 17, 28, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
  }

  .site-nav-panel.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .site-header-inner,
  .site-footer-inner,
  .section-inner,
  .hero-inner {
    width: min(calc(100% - 1.2rem), var(--content-width));
  }

  .button,
  .button-secondary,
  .button-text {
    width: 100%;
  }

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