:root {
  color-scheme: dark;
  --bg: #06090d;
  --bg-elevated: #0a1118;
  --panel: #0d1720;
  --panel-strong: #111f2a;
  --text: #f4fbff;
  --muted: #a7b8c2;
  --subtle: #70838f;
  --line: rgba(148, 178, 190, 0.2);
  --teal: #4ee7c4;
  --green: #a6e34f;
  --amber: #ffb347;
  --coral: #ff6b57;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(78, 231, 196, 0.04) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(0deg, rgba(78, 231, 196, 0.035) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(118deg, rgba(78, 231, 196, 0.12), transparent 34%),
    linear-gradient(246deg, rgba(166, 227, 79, 0.1), transparent 38%),
    linear-gradient(180deg, transparent 0%, rgba(6, 9, 13, 0.74) 72%);
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 30;
  transform: translateY(-160%);
  border-radius: 4px;
  background: var(--teal);
  color: #04100d;
  padding: 0.75rem 1rem;
  font-weight: 800;
  transition: transform 0.2s ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(148, 178, 190, 0.15);
  background: rgba(6, 9, 13, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 60px;
  height: 44px;
  place-items: center;
}

.brand-mark img {
  display: block;
  width: 60px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(78, 231, 196, 0.18));
}

.brand strong {
  display: block;
  font-size: 1.02rem;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.nav-links a,
.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-links a {
  padding: 0 0.9rem;
  font-size: 0.93rem;
  font-weight: 700;
}

.nav-links a:hover,
.icon-link:hover {
  background: rgba(78, 231, 196, 0.08);
  color: var(--text);
}

.icon-link {
  width: 42px;
  border: 1px solid rgba(148, 178, 190, 0.2);
}

.icon-link svg {
  width: 21px;
  height: 21px;
  fill: currentColor;
}

.hero {
  min-height: calc(100vh - 76px);
  padding: 6rem 5vw 4.5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: clamp(2rem, 4vw, 5rem);
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
}

.hero-copy {
  max-width: 660px;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.status-row span {
  border: 1px solid rgba(148, 178, 190, 0.22);
  border-radius: 999px;
  background: rgba(13, 23, 32, 0.72);
  color: var(--muted);
  padding: 0.45rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  max-width: 10ch;
  margin-bottom: 1.35rem;
  font-size: 5.8rem;
  line-height: 0.92;
}

.hero-lede {
  max-width: 59ch;
  margin-bottom: 1.75rem;
  color: #c8d8df;
  font-size: 1.1rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  border-radius: 6px;
  padding: 0 1.05rem;
  font-weight: 900;
  text-decoration: none;
}

.button svg,
.text-link svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.button-primary {
  background: var(--teal);
  color: #04100d;
}

.button-secondary {
  border: 1px solid rgba(148, 178, 190, 0.26);
  background: rgba(13, 23, 32, 0.72);
  color: var(--text);
}

.command-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  max-width: 100%;
  border: 1px solid rgba(78, 231, 196, 0.28);
  border-radius: 6px;
  background: rgba(5, 12, 16, 0.82);
  padding: 0.75rem 0.9rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
}

.terminal-icon {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 4px;
  background: rgba(78, 231, 196, 0.14);
  color: var(--teal);
}

.terminal-icon svg,
.card-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

code {
  color: #d9fff3;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

.hero-panel {
  position: relative;
  min-height: 740px;
  border: 1px solid rgba(148, 178, 190, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(13, 23, 32, 0.96), rgba(7, 12, 17, 0.94)),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(78, 231, 196, 0.08) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(0deg, rgba(78, 231, 196, 0.06) 1px, transparent 1px) 0 0 / 44px 44px;
  mask-image: linear-gradient(180deg, black, transparent 78%);
}

.signal-map {
  position: absolute;
  inset: 26px 20px auto;
  height: 330px;
}

.signal-map svg {
  width: 100%;
  height: 100%;
}

.grid-line {
  fill: none;
  stroke: rgba(148, 178, 190, 0.12);
  stroke-width: 1;
}

.bus-line {
  fill: none;
  stroke: url("#signalGradient");
  stroke-linecap: round;
  stroke-width: 4;
}

.flow-title {
  fill: #dce8ed;
  font-size: 20px;
  font-weight: 900;
}

.flow-card rect,
.flow-bus rect {
  fill: rgba(12, 18, 24, 0.9);
  stroke: rgba(202, 218, 226, 0.34);
  stroke-width: 1.4;
}

.flow-bus rect {
  stroke: var(--teal);
  stroke-width: 2.4;
}

.flow-card-title {
  fill: var(--text);
  font-size: 17px;
  font-weight: 800;
}

.flow-method {
  fill: var(--green);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  font-weight: 800;
}

.flow-icon {
  fill: none;
  stroke: #dce8ed;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.flow-port {
  fill: rgba(78, 231, 196, 0.34);
  stroke: var(--teal);
  stroke-width: 2.4;
}

.flow-bus-logo {
  overflow: visible;
}

.code-window {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 70px;
  border: 1px solid rgba(148, 178, 190, 0.2);
  border-radius: 8px;
  background: rgba(4, 9, 13, 0.94);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 38px;
  border-bottom: 1px solid rgba(148, 178, 190, 0.16);
  background: rgba(17, 31, 42, 0.86);
  padding: 0 0.9rem;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
}

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

.window-bar span:nth-child(3) {
  background: var(--teal);
}

.window-bar strong {
  margin-left: 0.45rem;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 1rem;
}

pre code {
  color: #e7f9ff;
  font-size: 0.88rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.route-readout {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
}

.route-readout svg {
  flex: 1;
  min-width: 60px;
  height: 18px;
  fill: none;
  stroke: var(--green);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.section {
  padding: 5.5rem 5vw;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 2.2rem;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 0.8rem;
  font-size: 3.2rem;
  line-height: 1;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.7;
}

.install-grid,
.feature-grid,
.example-layout {
  max-width: 1120px;
  margin: 0 auto;
}

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

.install-card,
.feature-card {
  border: 1px solid rgba(148, 178, 190, 0.18);
  border-radius: 8px;
  background: rgba(13, 23, 32, 0.78);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.install-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.2rem;
}

.card-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 6px;
  background: rgba(78, 231, 196, 0.12);
  color: var(--teal);
}

.install-card h3,
.feature-card h3,
.example-copy h3 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.install-card pre {
  border: 1px solid rgba(148, 178, 190, 0.14);
  border-radius: 6px;
  background: rgba(3, 8, 12, 0.74);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  min-height: 210px;
  padding: 1.15rem;
}

.feature-card p {
  color: var(--muted);
  line-height: 1.65;
}

.feature-card code {
  display: block;
  margin-top: 1rem;
  color: var(--green);
  white-space: normal;
  word-break: break-word;
}

.example-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 1rem;
  align-items: stretch;
}

.example-copy {
  border-left: 3px solid var(--teal);
  background: rgba(13, 23, 32, 0.5);
  padding: 1.6rem;
}

.example-copy p {
  color: var(--muted);
  line-height: 1.75;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--teal);
  font-weight: 900;
  text-decoration: none;
}

.code-window-large {
  position: static;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid rgba(148, 178, 190, 0.16);
  padding: 2rem 5vw;
  color: var(--muted);
}

.site-footer p {
  margin: 0.25rem 0 0;
}

.site-footer .trademark-note {
  max-width: 46rem;
  font-size: 0.78rem;
  line-height: 1.5;
}

.site-footer strong {
  color: var(--text);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1020px) {
  .hero-grid,
  .example-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 740px;
  }

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

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
    padding: 0.9rem 5vw;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .icon-link {
    position: absolute;
    right: 5vw;
    top: 0.9rem;
  }

  .hero {
    min-height: auto;
    padding-top: 3.5rem;
  }

  h1 {
    max-width: 11ch;
    font-size: 3.35rem;
  }

  .section-heading h2 {
    font-size: 2.45rem;
  }

  .hero-panel {
    min-height: 740px;
  }

  .signal-map {
    inset: 18px 10px auto;
    height: 310px;
  }

  .code-window {
    left: 14px;
    right: 14px;
    bottom: 82px;
  }

  .route-readout {
    left: 14px;
    right: 14px;
    flex-wrap: wrap;
  }

  .install-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .brand small {
    display: none;
  }

  .status-row span {
    font-size: 0.72rem;
  }

  h1 {
    font-size: 2.75rem;
  }

  .section-heading h2 {
    font-size: 2rem;
  }

  .hero-actions,
  .button,
  .command-strip {
    width: 100%;
  }

  .button {
    justify-content: center;
  }

  .command-strip code {
    white-space: normal;
    word-break: break-word;
  }

  .hero-panel {
    min-height: 760px;
  }

  pre code {
    font-size: 0.78rem;
  }
}