:root {
  color-scheme: dark;
  --bg: #050607;
  --paper: rgba(11, 14, 16, 0.88);
  --card: rgba(18, 23, 26, 0.92);
  --card-soft: rgba(255, 255, 255, 0.045);
  --line: rgba(115, 255, 225, 0.24);
  --line-strong: rgba(115, 255, 225, 0.48);
  --text: #eef8f5;
  --muted: #a8b8b4;
  --cyan: #56f6df;
  --green: #9eff73;
  --amber: #ffca68;
  --blue: #6cb8ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(86, 246, 223, 0.16), transparent 30rem),
    radial-gradient(circle at 88% 16%, rgba(108, 184, 255, 0.14), transparent 30rem),
    radial-gradient(circle at 65% 92%, rgba(158, 255, 115, 0.1), transparent 28rem),
    linear-gradient(135deg, #050607 0%, #0a0d0d 54%, #050607 100%);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(86, 246, 223, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 246, 223, 0.065) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent 92%);
}

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

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

#signal-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  background: repeating-linear-gradient(to bottom, transparent 0, transparent 10px, rgba(255, 255, 255, 0.045) 11px, transparent 12px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(var(--max), calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 6, 7, 0.84);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  min-width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--cyan);
  font: 900 0.78rem/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  box-shadow: inset 0 0 22px rgba(86, 246, 223, 0.16);
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.site-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  border-color: var(--line);
  background: rgba(86, 246, 223, 0.08);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(86, 246, 223, 0.06);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--cyan);
}

.reference-main {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 84px;
}

.paper,
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.paper {
  padding: clamp(22px, 4vw, 64px);
  margin: 18px 0;
}

.card {
  padding: clamp(18px, 3vw, 32px);
  margin-top: 16px;
  background: var(--card);
}

.card .card {
  background: var(--card-soft);
  box-shadow: none;
}

.text {
  color: var(--muted);
  line-height: 1.65;
}

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

h1 {
  margin-bottom: 20px;
  color: var(--text);
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  color: var(--text);
  font-size: clamp(1.35rem, 3vw, 2.3rem);
  line-height: 1.08;
}

strong {
  color: var(--text);
}

li {
  margin: 8px 0;
  color: var(--muted);
  line-height: 1.65;
}

li::marker {
  color: var(--cyan);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stack:has(.avatar) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}

.card-header-content {
  display: grid;
  gap: 10px;
}

.avatar {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.content-image {
  width: auto;
  max-width: min(100%, 960px);
  height: auto;
  margin: 14px auto;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #090c0d;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.32);
}

.carousel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(290px, 0.78fr);
  gap: 18px;
  overflow-x: auto;
  padding: 12px 10px 24px;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(86, 246, 223, 0.56) rgba(255, 255, 255, 0.08);
}

.carousel::-webkit-scrollbar {
  height: 12px;
}

.carousel::-webkit-scrollbar-track {
  border: 1px solid rgba(115, 255, 225, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
}

.carousel::-webkit-scrollbar-thumb {
  border: 2px solid rgba(9, 12, 13, 0.9);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
}

.carousel-slide {
  position: relative;
  display: grid;
  min-height: 410px;
  padding: 14px;
  place-items: center;
  scroll-snap-align: center;
  overflow: hidden;
  border: 1px solid rgba(115, 255, 225, 0.34);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 32%),
    radial-gradient(circle at 20% 14%, rgba(86, 246, 223, 0.18), transparent 14rem),
    radial-gradient(circle at 88% 84%, rgba(158, 255, 115, 0.12), transparent 13rem),
    rgba(10, 14, 16, 0.88);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -36px 70px rgba(0, 0, 0, 0.22),
    0 20px 46px rgba(0, 0, 0, 0.34);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.carousel-slide::before,
.carousel-slide::after {
  position: absolute;
  z-index: 1;
  width: 46px;
  height: 46px;
  pointer-events: none;
  content: "";
}

.carousel-slide::before {
  top: 12px;
  left: 12px;
  border-top: 2px solid rgba(86, 246, 223, 0.72);
  border-left: 2px solid rgba(86, 246, 223, 0.72);
}

.carousel-slide::after {
  right: 12px;
  bottom: 12px;
  border-right: 2px solid rgba(158, 255, 115, 0.55);
  border-bottom: 2px solid rgba(158, 255, 115, 0.55);
}

.carousel-slide > div {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
}

.carousel-slide > div::after {
  position: absolute;
  inset: auto 8% 0;
  height: 18%;
  pointer-events: none;
  content: "";
  background: radial-gradient(ellipse at center, rgba(86, 246, 223, 0.18), transparent 68%);
  filter: blur(10px);
}

.carousel-slide:hover {
  border-color: rgba(86, 246, 223, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -36px 70px rgba(0, 0, 0, 0.22),
    0 24px 58px rgba(0, 0, 0, 0.42),
    0 0 34px rgba(86, 246, 223, 0.12);
  transform: translateY(-3px);
}

.carousel-slide .content-image {
  position: relative;
  z-index: 2;
  max-height: 350px;
  margin: 0 auto;
  border-color: rgba(238, 248, 245, 0.18);
  box-shadow:
    0 22px 46px rgba(0, 0, 0, 0.44),
    0 0 0 1px rgba(255, 255, 255, 0.035);
  transition: transform 180ms ease, filter 180ms ease, box-shadow 180ms ease;
}

.carousel-slide:hover .content-image {
  filter: saturate(1.08) contrast(1.04);
  box-shadow:
    0 28px 58px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(86, 246, 223, 0.16);
  transform: scale(1.018);
}

.chip {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  margin: 4px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font: 720 0.82rem/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

a.chip:hover,
.action:hover,
.nav-card-link:hover,
.menu-item:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.action,
.menu-item,
.nav-card-link {
  display: inline-flex;
  width: fit-content;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--text);
  background: linear-gradient(135deg, rgba(86, 246, 223, 0.16), rgba(158, 255, 115, 0.08));
  font-weight: 800;
}

.link-list,
.menu-block {
  display: grid;
  gap: 10px;
}

.link-list .card {
  width: 100%;
}

.contact-page {
  display: grid;
  gap: 24px;
}

.contact-heading h1 {
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.contact-card {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 236px;
  margin-top: 0;
  border-color: rgba(115, 255, 225, 0.32);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent 42%),
    rgba(18, 23, 26, 0.92);
}

.contact-card-primary {
  border-color: rgba(158, 255, 115, 0.44);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(158, 255, 115, 0.12);
}

.contact-section-title {
  color: var(--text);
  font: 900 0.9rem/1.2 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-transform: uppercase;
}

.contact-actions {
  display: grid;
  gap: 10px;
}

body[data-page="contact"] .nav-card-link {
  position: relative;
  width: 100%;
  min-height: 58px;
  justify-content: space-between;
  gap: 16px;
  margin-top: 0;
  padding: 0 46px 0 18px;
  overflow: hidden;
  border-color: rgba(115, 255, 225, 0.36);
  background:
    linear-gradient(135deg, rgba(86, 246, 223, 0.18), rgba(108, 184, 255, 0.1)),
    rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

body[data-page="contact"] .nav-card-link::after {
  position: absolute;
  right: 18px;
  color: var(--cyan);
  content: "->";
  font: 900 1rem/1 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  transition: transform 160ms ease;
}

body[data-page="contact"] .nav-card-link span {
  min-width: 0;
  overflow-wrap: anywhere;
}

body[data-page="contact"] .nav-card-link strong {
  min-width: 0;
  color: var(--muted);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

body[data-page="contact"] .nav-card-link:hover,
body[data-page="contact"] .nav-card-link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background:
    linear-gradient(135deg, rgba(86, 246, 223, 0.28), rgba(158, 255, 115, 0.14)),
    rgba(255, 255, 255, 0.055);
  box-shadow: 0 14px 32px rgba(86, 246, 223, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

body[data-page="contact"] .nav-card-link:hover::after,
body[data-page="contact"] .nav-card-link:focus-visible::after {
  transform: translateX(4px);
}

body[data-page="contact"] .nav-card-link:focus-visible {
  outline: 2px solid rgba(158, 255, 115, 0.72);
  outline-offset: 3px;
}

body[data-page="contact"] .contact-link-primary {
  border-color: rgba(158, 255, 115, 0.5);
  background:
    linear-gradient(135deg, rgba(158, 255, 115, 0.22), rgba(86, 246, 223, 0.14)),
    rgba(255, 255, 255, 0.045);
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.timeline-date {
  color: var(--green);
  font: 900 1rem/1.35 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.timeline-content {
  color: var(--muted);
}

.expansion-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.expansion {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.expansion summary {
  cursor: pointer;
  padding: 16px 18px;
  color: var(--cyan);
  font-weight: 900;
  list-style-position: inside;
  border-bottom: 1px solid var(--line);
  background: rgba(86, 246, 223, 0.07);
}

.expansion > .stack,
.expansion > .text,
.expansion > div:not(summary) {
  padding: 18px;
}

hr {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--line);
}

.icon-dot {
  display: inline-block;
  width: 0.62em;
  height: 0.62em;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(86, 246, 223, 0.55);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
  }

  .site-header.nav-open {
    flex-wrap: wrap;
  }

  .site-header.nav-open .site-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header,
  .reference-main {
    width: min(100% - 20px, var(--max));
  }

  .brand-text {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-header.nav-open .site-nav,
  .timeline-item,
  .contact-grid,
  .stack:has(.avatar) {
    grid-template-columns: 1fr;
  }

  body[data-page="contact"] .nav-card-link {
    min-height: 64px;
    align-items: flex-start;
    flex-direction: column;
    padding: 13px 44px 13px 16px;
  }

  .paper {
    padding: 18px;
  }

  .carousel {
    grid-auto-columns: 100%;
  }

  h1 {
    font-size: clamp(2.15rem, 14vw, 3.6rem);
  }
}