:root {
  --page-bg: #02050d;
  --paper: rgba(6, 10, 20, 0.74);
  --paper-strong: rgba(9, 14, 25, 0.9);
  --line: rgba(128, 202, 236, 0.16);
  --line-strong: rgba(128, 202, 236, 0.3);
  --text: #f5f8ff;
  --muted: #a8b5c9;
  --accent: #6ed3ef;
  --accent-soft: rgba(110, 211, 239, 0.12);
  --accent-strong: #9be7ff;
  --surface: rgba(10, 16, 28, 0.52);
  --surface-strong: rgba(10, 16, 28, 0.86);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1120px;
  --title-font: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --body-font: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--body-font);
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(49, 123, 255, 0.14), transparent 24%),
    radial-gradient(circle at 82% 12%, rgba(110, 211, 239, 0.12), transparent 24%),
    linear-gradient(180deg, #02050d 0%, #030711 56%, #02050b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(155, 231, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 231, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), transparent 88%);
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #d9f7ff;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(2, 5, 13, 0.84);
  border-bottom: 1px solid rgba(155, 231, 255, 0.08);
}

.site-header-inner,
.site-footer-inner,
.page-section,
.hero-grid {
  width: min(calc(100% - 2.4rem), var(--max-width));
  margin: 0 auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark img {
  width: auto;
  height: 40px;
}

.brand-meta {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-name {
  font-family: var(--title-font);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-tag {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.site-nav a {
  position: relative;
  padding: 0.5rem 0.8rem 0.9rem;
  border-radius: 999px;
  color: rgba(245, 248, 255, 0.86);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
  background: transparent;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.28rem;
  width: 30px;
  height: 4px;
  border-radius: 999px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  background: rgba(245, 248, 255, 0.92);
  transition: transform 0.22s ease, background 0.22s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: translateX(-50%) scaleX(1);
}

.site-nav a[aria-current="page"]::after {
  background: linear-gradient(90deg, #4b7cff, #7bdfff);
}

.site-main {
  padding: 2rem 0 4.25rem;
}

.hero {
  padding: 2.3rem 0 1.4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 1.25rem;
  align-items: stretch;
}

.hero-card,
.section-card,
.data-card,
.pull-quote,
.timeline-item,
.page-intro,
.feature-panel,
.stat-card,
.callout,
.record-card,
.inscription-card,
.panel-shell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 2.2rem;
  background:
    radial-gradient(circle at top right, rgba(75, 124, 255, 0.12), transparent 28%),
    rgba(6, 10, 20, 0.56);
}

.hero-kicker,
.section-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.page-title,
.section-title,
.feature-title,
.panel-title {
  font-family: var(--title-font);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.6rem, 5vw, 5rem);
  max-width: 12ch;
}

.hero-lead {
  max-width: 62ch;
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 1.4rem;
}

.hero-actions,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button {
  background: rgba(75, 124, 255, 0.18);
  border-color: rgba(75, 124, 255, 0.55);
  color: var(--text);
}

.button:hover {
  background: rgba(75, 124, 255, 0.3);
  color: #fff;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-side {
  display: grid;
  gap: 1rem;
}

.stat-card,
.callout {
  padding: 1.4rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stat-value {
  margin: 0.5rem 0 0.2rem;
  font-family: var(--title-font);
  font-size: 2rem;
}

.stat-body,
.callout p,
.section-copy,
.page-copy,
.feature-copy,
.record-copy,
.table-note,
.empty-state {
  color: var(--muted);
  line-height: 1.7;
}

.page-section {
  padding-top: 1.2rem;
}

.section-card,
.page-intro,
.panel-shell {
  padding: 1.7rem;
}

.page-intro {
  margin-bottom: 1.2rem;
  background:
    linear-gradient(180deg, rgba(6, 10, 20, 0.68), rgba(6, 10, 20, 0.78));
}

.page-title {
  margin: 0 0 0.8rem;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

.page-copy,
.section-copy {
  max-width: 72ch;
  font-size: 1.02rem;
}

.grid-two,
.grid-three,
.feature-grid,
.capability-grid,
.detail-grid,
.inscription-grid {
  display: grid;
  gap: 1rem;
}

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

.grid-three,
.feature-grid,
.capability-grid,
.inscription-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.8fr);
}

.section-card h2,
.section-card h3,
.feature-panel h3,
.data-card h3,
.record-card h3,
.inscription-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.2rem;
  line-height: 1.3;
}

.section-card p,
.section-card li,
.feature-panel p,
.data-card p,
.record-card p,
.panel-shell p,
.panel-shell li,
.page-intro p {
  line-height: 1.72;
  color: var(--muted);
}

.section-list,
.plain-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.section-list li,
.plain-list li {
  margin-bottom: 0.7rem;
}

.section-list strong,
.plain-list strong {
  color: var(--text);
}

.feature-panel,
.data-card,
.record-card,
.inscription-card {
  padding: 1.35rem;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.pull-quote {
  padding: 1.6rem;
  font-family: var(--title-font);
  font-size: 1.45rem;
  line-height: 1.45;
}

.pull-quote strong {
  color: var(--accent-strong);
}

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

.timeline-item {
  padding: 1.35rem 1.4rem;
}

.timeline-stage {
  color: var(--accent-strong);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.timeline-item h3 {
  margin: 0.45rem 0 0.5rem;
  font-size: 1.12rem;
}

details.section-card {
  padding-bottom: 1.2rem;
}

details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--text);
}

details summary::-webkit-details-marker {
  display: none;
}

details summary::after {
  content: "+";
  float: right;
  color: var(--accent-strong);
  font-size: 1.1rem;
}

details[open] summary::after {
  content: "−";
}

.table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.95rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(33, 43, 56, 0.1);
}

th {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  background: rgba(75, 124, 255, 0.1);
}

tbody tr:last-child td {
  border-bottom: none;
}

.note-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.note-pill,
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(110, 211, 239, 0.22);
  color: var(--accent-strong);
  font-size: 0.88rem;
}

.site-footer {
  border-top: 1px solid rgba(155, 231, 255, 0.08);
  background: rgba(2, 5, 13, 0.86);
  backdrop-filter: blur(10px);
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 1.3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

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

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

.inscription-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.inscription-card:hover {
  border-color: rgba(159, 122, 44, 0.35);
}

.record-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.record-meta {
  font-size: 0.92rem;
  color: var(--muted);
}

.alert {
  display: none;
  margin-bottom: 1rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 138, 138, 0.32);
  background: rgba(98, 20, 20, 0.28);
  color: #ffd8d8;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.2rem;
}

.panel-records-intro {
  margin-top: 1.4rem;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}

.panel-back {
  font-size: 0.95rem;
}

.panel-title {
  margin: 0;
  font-size: clamp(1.95rem, 4vw, 3rem);
}

.panel-description blockquote {
  margin: 1rem 0 0;
  padding: 1.15rem 1.2rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.42);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.panel-description blockquote p {
  margin: 0 0 1rem;
}

.panel-description blockquote p:last-child {
  margin-bottom: 0;
}

.status-band {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.2rem;
}

.status-band .data-card {
  background: var(--surface);
}

@media (max-width: 980px) {
  .hero-grid,
  .detail-grid,
  .grid-three,
  .feature-grid,
  .capability-grid,
  .inscription-grid {
    grid-template-columns: 1fr;
  }

  .grid-two,
  .status-band {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header-inner,
  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-card,
  .section-card,
  .page-intro,
  .panel-shell {
    padding: 1.35rem;
  }

  .site-header-inner,
  .site-footer-inner,
  .page-section,
  .hero-grid {
    width: min(calc(100% - 1.4rem), var(--max-width));
  }

  .site-main {
    padding-bottom: 3rem;
  }
}