/* Landing */
.landing { overflow-x: hidden; }
.landing,
.usage-page {
  background:
    linear-gradient(120deg, rgba(78, 205, 196, 0.12), transparent 34%),
    linear-gradient(310deg, rgba(244, 185, 66, 0.08), transparent 36%),
    linear-gradient(180deg, #10141a 0%, #07090c 100%);
}
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(7, 9, 12, 0.78);
  border-bottom: 1px solid rgba(255, 248, 231, 0.1);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}
.site-nav nav {
  display: flex;
  gap: 8px;
}
.site-nav nav a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}
.site-nav nav a:hover {
  border-color: rgba(255, 248, 231, 0.12);
  background: rgba(255, 248, 231, 0.07);
  color: var(--text);
}
.landing-hero {
  position: relative;
  min-height: 84vh;
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1fr);
  gap: clamp(24px, 5vw, 84px);
  align-items: center;
  padding: 112px clamp(18px, 5vw, 72px) 56px;
  overflow: hidden;
}
.landing-hero::before {
  content: "";
  position: absolute;
  inset: 72px 0 auto auto;
  width: 58vw;
  height: 72vh;
  background:
    linear-gradient(135deg, rgba(78, 205, 196, 0.19), transparent 42%),
    linear-gradient(315deg, rgba(244, 185, 66, 0.13), transparent 44%),
    linear-gradient(45deg, rgba(109, 168, 255, 0.16), transparent 48%);
  clip-path: polygon(18% 0, 100% 14%, 88% 100%, 0 82%);
  pointer-events: none;
  filter: blur(1px);
}
.hero-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 740px;
}
.hero-copy h1 {
  margin: 0;
  max-width: 720px;
  overflow-wrap: break-word;
  font-size: clamp(42px, 6vw, 86px);
  line-height: 0.96;
  font-weight: 850;
  letter-spacing: 0;
}
.lede {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.primary-action,
.secondary-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.primary-action {
  background: linear-gradient(135deg, var(--paper), #d8efe8);
  color: #171510;
  box-shadow: 0 14px 32px rgba(78, 205, 196, 0.18);
}
.secondary-action {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 248, 231, 0.06);
}
.primary-action:hover,
.secondary-action:hover {
  transform: translateY(-1px);
}
.secondary-action:hover {
  border-color: var(--teal);
}
.hero-command {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  margin-top: 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 9, 12, 0.72);
  color: var(--muted);
  font-family: var(--font-mono);
  box-shadow: inset 0 1px 0 rgba(255, 248, 231, 0.04);
}
.hero-command span {
  color: var(--amber);
  font-weight: 700;
}
.hero-command code {
  white-space: normal;
  overflow-wrap: anywhere;
}
.hero-stage {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: grid;
  gap: 18px;
}
.relay-map {
  display: grid;
  grid-template-columns: 1fr 58px 1fr 58px 1fr;
  align-items: center;
}
.node {
  min-height: 138px;
  padding: 18px;
  border: 1px solid rgba(255, 248, 231, 0.09);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 248, 231, 0.045), transparent),
    rgba(12, 15, 19, 0.92);
  box-shadow: 0 18px 50px var(--shadow);
}
.node-label {
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}
.node strong,
.node em {
  display: block;
}
.node strong {
  margin-top: 16px;
  overflow-wrap: anywhere;
  font-size: 16px;
}
.node em {
  margin-top: 8px;
  color: var(--muted);
  font-style: normal;
}
.pulse-line {
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--amber) 0 10px, transparent 10px 18px);
  opacity: 0.9;
  animation: pulse-flow 1.9s linear infinite;
}
.preview-console {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(93, 114, 128, 0.82);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 248, 231, 0.045), transparent 28%),
    rgba(7, 9, 12, 0.94);
  box-shadow: 0 24px 70px var(--shadow);
}
.preview-top,
.preview-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.preview-top {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.preview-token { color: var(--teal); }
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.preview-card {
  min-height: 70px;
  padding: 13px;
  border-radius: 7px;
  background:
    linear-gradient(180deg, rgba(255, 248, 231, 0.06), transparent),
    var(--panel);
  border: 1px solid rgba(255, 248, 231, 0.08);
  border-left: 3px solid var(--teal);
  font-family: var(--font-mono);
}
.preview-card strong {
  color: var(--text);
  font-size: 12px;
}
.preview-card span,
.preview-card strong {
  overflow-wrap: anywhere;
}
.accent-amber { border-left-color: var(--amber); }
.accent-coral { border-left-color: var(--coral); }
.accent-blue { border-left-color: var(--blue); }
.preview-console pre {
  margin: 0;
  padding: 14px 0;
  overflow: auto;
  border-radius: 0;
  background: transparent;
  color: #d8d1c4;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
}
.preview-editor {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(109, 168, 255, 0.36);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(109, 168, 255, 0.055), transparent 28%),
    var(--shell);
  box-shadow: inset 0 1px 0 rgba(255, 248, 231, 0.04);
}
.syntax-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 248, 231, 0.08);
  background:
    linear-gradient(90deg, rgba(109, 168, 255, 0.18), rgba(78, 205, 196, 0.09)),
    rgba(255, 248, 231, 0.025);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.syntax-toolbar::before {
  content: "";
  width: 36px;
  height: 9px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 4px 50%, var(--coral) 0 3px, transparent 3.5px),
    radial-gradient(circle at 18px 50%, var(--amber) 0 3px, transparent 3.5px),
    radial-gradient(circle at 32px 50%, var(--green) 0 3px, transparent 3.5px);
  flex: 0 0 auto;
}
.syntax-toolbar strong {
  color: var(--teal);
  font-weight: 700;
}
.syntax-preview code {
  display: block;
  min-width: max-content;
}
.code-line {
  display: block;
  padding: 0 16px;
}
.code-line:hover {
  background: rgba(255, 248, 231, 0.035);
}
.tok-comment { color: #7d8a95; font-style: italic; }
.tok-variable { color: #7bb3ff; }
.tok-operator { color: #d8d1c4; }
.tok-number { color: #f4d06f; }
.tok-cmdlet { color: #53e0d6; font-weight: 750; }
.tok-param { color: #ffb86b; }
.tok-string { color: #9be07f; }
.tunnel-preview {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
  padding: 14px;
  border: 1px solid rgba(78, 205, 196, 0.38);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(78, 205, 196, 0.16), transparent 46%),
    rgba(31, 38, 45, 0.72);
}
.tunnel-preview strong,
.tunnel-preview em {
  display: block;
}
.tunnel-preview strong {
  margin-top: 8px;
  font-size: 14px;
}
.tunnel-preview em {
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 12px;
}
.tunnel-preview code {
  min-width: 0;
  max-width: 100%;
  padding: 9px 10px;
  border: 1px solid rgba(255, 248, 231, 0.1);
  border-radius: 7px;
  background: rgba(10, 10, 9, 0.84);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.tunnel-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(132, 216, 109, 0.12);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}
.landing-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(18px, 5vw, 72px) 64px;
  border: 1px solid rgba(255, 248, 231, 0.09);
  background: rgba(255, 248, 231, 0.09);
}
.landing-band > div {
  min-height: 190px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 248, 231, 0.04), transparent),
    rgba(12, 15, 19, 0.94);
}
.landing-band h2 {
  margin: 0 0 12px;
  font-size: 22px;
}
.landing-band p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

/* Usage */
.usage-page {
  min-height: 100vh;
}
.usage-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 126px clamp(16px, 4vw, 44px) 64px;
}
.usage-hero {
  max-width: 860px;
  margin-bottom: 34px;
}
.usage-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.98;
}
.usage-hero p:last-child {
  max-width: 740px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}
.usage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 248, 231, 0.09);
  background: rgba(255, 248, 231, 0.09);
}
.usage-grid article,
.usage-notes > div {
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 248, 231, 0.035), transparent),
    rgba(12, 15, 19, 0.94);
}
.usage-grid span {
  color: var(--teal);
  font-family: var(--font-mono);
  font-weight: 700;
}
.usage-grid h2,
.usage-notes h2 {
  margin: 10px 0 8px;
  font-size: 22px;
}
.usage-grid p,
.usage-notes p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.usage-grid pre {
  margin: 18px 0 0;
  padding: 14px;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid rgba(255, 248, 231, 0.08);
  background: var(--shell);
  color: #e5dfd1;
  white-space: pre-wrap;
}
.usage-grid code {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}
.usage-notes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  border: 1px solid rgba(255, 248, 231, 0.09);
  background: rgba(255, 248, 231, 0.09);
}
.usage-notes a {
  color: var(--teal);
}

.usage-tunnel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 24px;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid rgba(78, 205, 196, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(78, 205, 196, 0.12), transparent 44%),
    linear-gradient(315deg, rgba(109, 168, 255, 0.09), transparent 48%),
    rgba(12, 15, 19, 0.94);
  box-shadow: 0 22px 60px var(--shadow);
}
.usage-tunnel h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1;
}
.usage-tunnel p {
  color: var(--muted);
  line-height: 1.6;
}
.usage-tunnel ol {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.5;
}
.usage-tunnel code {
  color: var(--paper);
  font-family: var(--font-mono);
}
.usage-terminal {
  min-width: 0;
  overflow: hidden;
  align-self: stretch;
  border: 1px solid rgba(109, 168, 255, 0.36);
  border-radius: 8px;
  background: var(--shell);
}
.usage-terminal pre {
  margin: 0;
  padding: 14px 0;
  overflow: auto;
  color: #d8d1c4;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}
.usage-terminal .syntax-preview code {
  min-width: 0;
}
.usage-terminal .code-line {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@keyframes pulse-flow {
  from { background-position: 0 0; }
  to { background-position: 28px 0; }
}