:root {
  color-scheme: dark;
  --bg: #050608;
  --bg-2: #0b0d12;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.075);
  --text: #f3f5f7;
  --muted: #a3aab5;
  --dim: #6f7785;
  --blue: #8ebcff;
  --violet: #9d7cff;
  --green: #7af0b5;
  --warning: #d8d0bd;
  --mono: "SFMono-Regular", "Roboto Mono", "Cascadia Code", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 72% 7%, rgba(112, 99, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 16% 24%, rgba(88, 176, 255, 0.12), transparent 22rem),
    linear-gradient(135deg, #040506 0%, #090b10 48%, #050608 100%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 78%);
  opacity: 0.45;
}

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

.site-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line-soft);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(5, 6, 8, 0.72);
  backdrop-filter: blur(22px);
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.86rem;
}

.brand-mark {
  color: var(--green);
  letter-spacing: 0;
}

.nav-list {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.nav-list a {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.nav-num {
  color: var(--violet);
}

.system-note {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.system-note strong {
  display: block;
  color: var(--text);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.system-note .online {
  color: var(--green);
}

.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(5, 6, 8, 0.88);
  backdrop-filter: blur(18px);
}

.menu-toggle {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  min-width: 42px;
  height: 38px;
  font-family: var(--mono);
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 58px 14px auto;
  z-index: 29;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(7, 8, 12, 0.96);
  backdrop-filter: blur(20px);
}

.mobile-menu.is-open {
  display: grid;
}

.mobile-menu a {
  padding: 12px 8px;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.8rem;
}

.content {
  min-width: 0;
}

.wrap {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
}

.hero {
  min-height: 88vh;
  display: grid;
  align-items: center;
  padding: 64px 0 42px;
  border-bottom: 1px solid var(--line-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) 420px;
  gap: 58px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.02;
  margin: 0;
  font-weight: 560;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-top: 24px;
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2.1rem, 4.8vw, 4.8rem);
}

h3 {
  font-size: 1.25rem;
}

.subtitle {
  margin: 24px 0 0;
  max-width: 780px;
  color: var(--text);
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
}

.lead {
  color: var(--muted);
  max-width: 760px;
  font-size: 1rem;
}

.hero .lead {
  margin-top: 24px;
}

.ai-note {
  margin-top: 22px;
  max-width: 620px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(142, 188, 255, 0.55);
  background: rgba(142, 188, 255, 0.08);
}

.btn.primary {
  color: #020407;
  background: var(--text);
  border-color: var(--text);
}

.profile-card,
.terminal-card,
.panel,
.project-card,
.stat-card,
.domain-card,
.faq-item,
.timeline,
.contact-panel {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.profile-card {
  position: relative;
  padding: 24px;
  overflow: hidden;
}

.profile-card::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}

.profile-card .star {
  width: 82px;
  height: 82px;
  margin-bottom: 54px;
  background:
    linear-gradient(90deg, transparent 47%, var(--violet) 47% 53%, transparent 53%),
    linear-gradient(0deg, transparent 47%, var(--violet) 47% 53%, transparent 53%);
  transform: rotate(45deg);
  opacity: 0.82;
}

.profile-row {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.profile-row span:first-child {
  color: var(--dim);
}

section {
  padding: 82px 0;
  border-bottom: 1px solid var(--line-soft);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.45fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.quote {
  margin: 32px 0 0;
  padding: 24px;
  border-left: 2px solid var(--violet);
  background: rgba(157, 124, 255, 0.07);
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.25;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

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

.project-card,
.stat-card,
.domain-card,
.panel,
.contact-panel {
  padding: 22px;
}

.project-card p,
.domain-card p,
.panel p,
.contact-panel p {
  color: var(--muted);
}

.card-meta {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.mini-link,
.copy-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-soft);
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  font-family: var(--mono);
  font-size: 0.72rem;
  cursor: pointer;
}

.terminal-card {
  padding: 20px;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.84rem;
}

.terminal-card .prompt {
  color: var(--green);
}

.stats {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stat-number {
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1;
}

.stat-label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.index-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag,
.filter-btn {
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 0.74rem;
  cursor: pointer;
}

.tag:hover,
.filter-btn:hover,
.filter-btn.is-active {
  color: var(--text);
  border-color: rgba(122, 240, 181, 0.45);
  background: rgba(122, 240, 181, 0.055);
}

.faq-tools {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.search-input {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: 0.92rem var(--mono);
  outline: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font: 1rem var(--sans);
}

.faq-question small {
  display: block;
  margin-top: 6px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.faq-icon {
  color: var(--violet);
  font-family: var(--mono);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms ease;
}

.faq-answer-inner {
  padding: 0 20px 20px;
  color: var(--muted);
}

.faq-item.is-open .faq-answer {
  max-height: 520px;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.timeline {
  padding: 28px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  position: relative;
  padding: 0 0 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 112px;
  top: 9px;
  bottom: -2px;
  width: 1px;
  background: var(--line-soft);
}

.timeline-item::after {
  content: "";
  position: absolute;
  left: 107px;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--violet);
}

.timeline-year {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.timeline-text {
  color: var(--muted);
  margin-top: -5px;
}

.page-hero {
  padding: 88px 0 54px;
  border-bottom: 1px solid var(--line-soft);
}

.page-hero h1 {
  font-size: clamp(2.7rem, 7vw, 6.8rem);
}

.footer {
  padding: 46px 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(5, 6, 8, 0.84);
  color: var(--text);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 25;
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 1050px) {
  .site-shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .topbar {
    display: flex;
  }

  .hero-grid,
  .section-head,
  .grid.cols-4,
  .grid.cols-3,
  .stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: min(100% - 28px, var(--max));
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-grid,
  .section-head,
  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2,
  .stats {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

  section {
    padding: 58px 0;
  }

  .timeline {
    padding: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-left: 26px;
  }

  .timeline-item::before {
    left: 5px;
  }

  .timeline-item::after {
    left: 0;
  }

  .profile-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}