:root {
  color-scheme: dark;
  --bg: #07090d;
  --panel: #10151c;
  --panel-strong: #151c25;
  --text: #e6edf3;
  --muted: #9aa8b5;
  --line: #293441;
  --green: #6ee7a8;
  --cyan: #70d6ff;
  --amber: #f2c46d;
  --danger: #ff8a8a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(112, 214, 255, 0.05), transparent 34rem),
    var(--bg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height: 1.6;
}

a {
  color: var(--cyan);
  text-decoration-color: rgba(112, 214, 255, 0.45);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--green);
  text-decoration-color: var(--green);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--bg);
  background: var(--green);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

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

.site-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.site-nav a,
.site-footer a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--green);
}

.terminal-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.terminal-window {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 21, 28, 0.92);
  box-shadow: var(--shadow);
}

.terminal-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel-strong);
}

.terminal-bar span {
  display: block;
  width: 0.72rem;
  aspect-ratio: 1;
  border-radius: 999px;
  background: var(--danger);
}

.terminal-bar span:nth-child(2) {
  background: var(--amber);
}

.terminal-bar span:nth-child(3) {
  background: var(--green);
}

.terminal-content {
  padding: clamp(1.25rem, 4vw, 3rem);
}

.kicker {
  margin: 0 0 0.7rem;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 1.5rem;
  color: var(--text);
  font-size: clamp(2.15rem, 6vw, 5.2rem);
}

h2 {
  margin: 0 0 0.8rem;
  color: var(--green);
  font-size: 1.05rem;
}

p {
  margin: 0 0 1rem;
}

.terminal-lines {
  display: grid;
  gap: 0.72rem;
  margin: 0 0 1.6rem;
}

.terminal-line {
  margin: 0;
  color: var(--text);
}

.terminal-line span {
  color: var(--green);
  font-weight: 700;
}

.js-enabled .terminal-line {
  opacity: 0;
  transform: translateY(0.35rem);
}

.js-enabled .terminal-line.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 180ms ease, transform 180ms ease;
}

.terminal-line.is-current::after {
  content: "_";
  display: inline-block;
  margin-left: 0.2rem;
  color: var(--green);
  animation: cursor-blink 900ms steps(2, start) infinite;
}

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

.terminal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(112, 214, 255, 0.42);
  border-radius: 6px;
  color: var(--text);
  background: rgba(112, 214, 255, 0.08);
  text-decoration: none;
}

.button:hover {
  border-color: rgba(110, 231, 168, 0.7);
  background: rgba(110, 231, 168, 0.1);
}

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

.info-grid article {
  min-height: 100%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 21, 28, 0.72);
}

.info-grid p,
.legal-section p,
.legal-section address,
.page-intro {
  color: var(--muted);
}

.legal-page {
  width: min(900px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.page-intro {
  max-width: 68ch;
  margin-bottom: 2rem;
}

.legal-section {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.legal-section address {
  font-style: normal;
}

.legal-section code {
  color: var(--green);
  word-break: break-word;
}

.notice {
  border-color: rgba(242, 196, 109, 0.38);
}

.notice h2 {
  color: var(--amber);
}

.english-note {
  border-color: rgba(112, 214, 255, 0.34);
}

.english-note h2 {
  color: var(--cyan);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav,
  .site-footer nav {
    gap: 0.65rem 0.9rem;
  }

  .terminal-shell,
  .legal-page {
    padding-top: 1rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-enabled .terminal-line {
    opacity: 1;
    transform: none;
  }
}