:root {
  color-scheme: dark;
  --bg: #030506;
  --panel: rgba(13, 19, 24, 0.9);
  --panel-2: rgba(18, 25, 32, 0.76);
  --line: rgba(96, 179, 255, 0.18);
  --line-strong: rgba(96, 179, 255, 0.42);
  --text: #eef6fb;
  --muted: #9aaab5;
  --muted-2: #70818d;
  --blue: #39a8ff;
  --blue-2: #77c7ff;
  --orange: #ff6b26;
  --green: #60ff8a;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(3, 5, 6, 0.72), var(--bg) 46%),
    linear-gradient(115deg, rgba(57, 168, 255, 0.1), transparent 34%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.58;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(57, 168, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 168, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.2) 78%, transparent);
}

.signal-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.signal-line {
  position: absolute;
  display: block;
  width: min(400px, 36vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96, 179, 255, 0.2), rgba(96, 255, 138, 0.18), transparent);
  opacity: 0.42;
  transform-origin: center;
  animation: signal-drift 9s ease-in-out infinite alternate;
}

.signal-line::before,
.signal-line::after {
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  border: 1px solid rgba(96, 255, 138, 0.44);
  border-radius: 999px;
  background: rgba(96, 255, 138, 0.22);
  box-shadow: 0 0 18px rgba(96, 255, 138, 0.28);
  content: "";
  transform: translateY(-50%);
}

.signal-line::before {
  left: 0;
}

.signal-line::after {
  right: 0;
}

.signal-line-a {
  top: 18%;
  left: 6%;
  transform: rotate(12deg);
}

.signal-line-b {
  top: 38%;
  right: -4%;
  animation-delay: -5s;
  transform: rotate(-18deg);
}

.signal-line-c {
  bottom: 24%;
  left: 12%;
  animation-delay: -9s;
  transform: rotate(-8deg);
}

.signal-line-d {
  right: 14%;
  bottom: 12%;
  animation-delay: -13s;
  transform: rotate(20deg);
}

@keyframes signal-drift {
  0% {
    opacity: 0.22;
    translate: -18px -8px;
  }

  50% {
    opacity: 0.5;
  }

  100% {
    opacity: 0.32;
    translate: 22px 12px;
  }
}

.adeline-word {
  text-transform: lowercase;
}

.adeline-accent {
  color: var(--green);
  text-shadow: 0 0 16px rgba(96, 255, 138, 0.36);
}

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

.shell {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(96, 179, 255, 0.14);
  background: rgba(3, 5, 6, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(57, 168, 255, 0.26), transparent),
    rgba(255, 255, 255, 0.03);
  color: var(--blue-2);
  font-size: 0.82rem;
}

.brand-text {
  display: grid;
  gap: 1px;
}

.brand-text span:first-child {
  color: var(--text);
  font-size: 0.98rem;
}

.brand-text span:last-child,
.nav-links,
.eyebrow,
.meta,
.site-footer {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.brand-text span:last-child {
  color: var(--muted-2);
  font-size: 0.72rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.76rem;
}

.nav-links a {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

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

.page-hero {
  display: grid;
  gap: 18px;
  padding: 76px 0 42px;
  border-bottom: 1px solid rgba(96, 179, 255, 0.14);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue-2);
  font-size: 0.78rem;
}

.eyebrow::before {
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  content: "";
}

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

h1 {
  max-width: 820px;
  font-size: 3.7rem;
  line-height: 0.98;
  font-weight: 760;
  letter-spacing: 0;
}

.lead {
  max-width: 780px;
  color: #c2d0d8;
  font-size: 1.12rem;
}

.meta {
  color: var(--muted-2);
  font-size: 0.74rem;
}

.content {
  display: grid;
  gap: 16px;
  padding: 36px 0 74px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.panel,
.wide-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(96, 179, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
    var(--panel);
}

.panel::before,
.wide-panel::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  content: "";
  opacity: 0.62;
}

.panel {
  min-height: 236px;
  padding: 24px;
}

.wide-panel {
  padding: 28px;
}

.panel-index {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  color: var(--muted-2);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
}

.panel-index i {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 0 18px rgba(57, 168, 255, 0.6);
}

.panel:nth-child(2) .panel-index i,
.panel:nth-child(5) .panel-index i {
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255, 107, 38, 0.55);
}

.panel:nth-child(3) .panel-index i,
.panel:nth-child(6) .panel-index i {
  background: var(--green);
  box-shadow: 0 0 18px rgba(96, 255, 138, 0.5);
}

.panel h2,
.wide-panel h2 {
  margin-bottom: 12px;
  font-size: 1.22rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.wide-panel h2 {
  font-size: 1.48rem;
}

.panel p,
.wide-panel p {
  color: var(--muted);
}

.empty-state {
  display: grid;
  min-height: 280px;
  place-items: center;
  padding: 34px;
  border: 1px solid rgba(96, 179, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  text-align: center;
}

.empty-state h2 {
  margin-bottom: 8px;
  font-size: 1.42rem;
}

.empty-state p {
  max-width: 560px;
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(57, 168, 255, 0.1);
  color: var(--text);
  font-weight: 700;
}

.site-footer {
  padding: 28px 0 38px;
  border-top: 1px solid rgba(96, 179, 255, 0.14);
  color: var(--muted-2);
  font-size: 0.76rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    overflow-x: auto;
    font-size: 0.7rem;
  }

  h1 {
    font-size: 2.65rem;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

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

.type-on {
  position: relative;
}

.type-on.is-typing::after {
  display: inline-block;
  width: 0.08em;
  height: 0.86em;
  margin-left: 0.08em;
  background: var(--green);
  box-shadow: 0 0 18px rgba(96, 255, 138, 0.34);
  content: "";
  transform: translateY(0.1em);
  animation: type-cursor 680ms steps(1, end) infinite;
}

@keyframes type-cursor {
  50% {
    opacity: 0;
  }
}