:root {
  --bg: #05070d;
  --bg-soft: #0a1020;
  --text: #eef3ff;
  --muted: #9aa6bf;
  --line: rgba(126, 203, 255, 0.16);
  --line-strong: rgba(126, 203, 255, 0.34);
  --cyan: #7ecbff;
  --mint: #93ffbc;
  --violet: #8e90ff;
  --danger: #ff6d7d;
  --warn: #ffc96b;
  --surface: rgba(8, 12, 22, 0.6);
  --surface-strong: rgba(9, 14, 26, 0.92);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font: 15px/1.7 "IBM Plex Mono", monospace;
  background:
    radial-gradient(circle at 12% 12%, rgba(126, 203, 255, 0.12), transparent 22rem),
    radial-gradient(circle at 88% 10%, rgba(142, 144, 255, 0.16), transparent 26rem),
    radial-gradient(circle at 75% 70%, rgba(147, 255, 188, 0.08), transparent 24rem),
    linear-gradient(180deg, #05070d 0%, #0a1020 55%, #05070d 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(126, 203, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 203, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black, transparent 86%);
  opacity: 0.35;
}

.noise,
.orb {
  position: fixed;
  pointer-events: none;
}

.noise {
  inset: 0;
  background: linear-gradient(transparent 0, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
  background-size: 100% 4px;
  opacity: 0.08;
}

.orb {
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.18;
}

.orb-a {
  top: -10rem;
  right: -8rem;
  background: radial-gradient(circle, var(--violet), transparent 70%);
}

.orb-b {
  left: -12rem;
  top: 22rem;
  background: radial-gradient(circle, var(--cyan), transparent 68%);
}

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

a:hover {
  color: var(--cyan);
}

code,
pre {
  font: inherit;
}

:not(pre) > code {
  padding: 1px 6px;
  border: 1px solid rgba(126, 203, 255, 0.14);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(126, 203, 255, 0.06);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

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

.shell {
  position: relative;
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 36px;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0 18px;
  backdrop-filter: blur(18px);
}

.brand {
  display: grid;
  gap: 2px;
}

.brand-mark,
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
}

.brand-mark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.brand-sub {
  color: var(--muted);
  font-size: 0.74rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav a {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: lowercase;
}

.nav a:hover {
  color: var(--text);
}

.page {
  display: grid;
  gap: 56px;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  padding: 38px 0 12px;
}

.hero-copy,
.hero-visual,
.section,
.section-intro,
.story-grid,
.flow-list,
.install-columns,
.agents-layout,
.security-layout,
.skill-note {
  display: grid;
}

.hero-copy {
  gap: 16px;
  align-content: start;
}

.eyebrow,
.signal-label,
.skill-label,
.step-index {
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.eyebrow,
.signal-label,
.skill-label {
  color: var(--mint);
}

.step-index {
  color: var(--cyan);
}

h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 8vw, 5.4rem);
  line-height: 0.93;
  letter-spacing: -0.055em;
}

h2 {
  max-width: 12ch;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.1rem;
}

.lead,
.compat-line,
.story-grid p,
.flow-step p,
.install-column p,
.agents-layout p,
.skill-note p,
.security-layout p,
.security-list li,
.footer p,
.redirect-panel p {
  color: var(--muted);
}

.lead {
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(126, 203, 255, 0.05);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(126, 203, 255, 0.1);
}

.button-primary {
  color: #071017;
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
}

.button-primary:hover {
  color: #071017;
  background: linear-gradient(135deg, #96dcff, #adffce);
}

.hero-visual {
  gap: 18px;
  align-content: start;
}

.signal-flow {
  display: grid;
  grid-template-columns: 1fr 70px 1fr 70px 1fr;
  align-items: center;
  gap: 8px;
}

.signal-item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
}

.signal-item strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
}

.signal-core strong {
  color: var(--cyan);
}

.signal-arrow {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(126, 203, 255, 0.5), transparent);
}

.signal-arrow::after {
  content: "";
  position: absolute;
  right: 12px;
  top: -3px;
  width: 8px;
  height: 8px;
  border-top: 1px solid rgba(126, 203, 255, 0.65);
  border-right: 1px solid rgba(126, 203, 255, 0.65);
  transform: rotate(45deg);
}

.terminal,
.flow-step pre,
.install-column pre,
.security-layout pre {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(126, 203, 255, 0.08), transparent 20%),
    var(--surface-strong);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(126, 203, 255, 0.12);
  color: var(--muted);
  font-size: 0.78rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-danger {
  background: var(--danger);
}

.dot-warn {
  background: var(--warn);
}

.dot-ok {
  background: var(--mint);
}

.terminal pre,
.flow-step pre,
.install-column pre,
.security-layout pre {
  padding: 16px;
}

.section {
  gap: 20px;
}

.section::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(126, 203, 255, 0.24), transparent 70%);
}

.section-intro {
  gap: 10px;
}

.story-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 32px;
}

.story-grid p {
  font-size: 1rem;
}

.flow-list {
  gap: 18px;
}

.flow-step {
  display: grid;
  grid-template-columns: 68px minmax(0, 0.85fr) minmax(280px, 0.9fr);
  gap: 18px;
  align-items: start;
  padding-top: 18px;
  border-top: 1px solid rgba(126, 203, 255, 0.1);
}

.flow-step:first-child {
  padding-top: 0;
  border-top: 0;
}

.step-index {
  padding-top: 4px;
}

.install-columns,
.agents-layout,
.security-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.install-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.install-column,
.agents-layout > div {
  display: grid;
  gap: 14px;
}

.skill-note {
  gap: 8px;
  align-content: start;
}

.skill-note p {
  position: relative;
  padding-left: 18px;
}

.skill-note p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: rgba(126, 203, 255, 0.6);
}

.security-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}

.security-list li {
  position: relative;
  padding-left: 18px;
}

.security-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mint), rgba(147, 255, 188, 0.2));
  box-shadow: 0 0 16px rgba(147, 255, 188, 0.4);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  margin-top: 16px;
  border-top: 1px solid rgba(126, 203, 255, 0.14);
}

.redirect-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.redirect-panel {
  width: min(560px, calc(100% - 28px));
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

@media (max-width: 980px) {
  .masthead,
  .story-grid,
  .install-columns,
  .agents-layout,
  .security-layout {
    grid-template-columns: 1fr;
  }

  .flow-step {
    grid-template-columns: 1fr;
  }

  .signal-flow {
    grid-template-columns: 1fr;
  }

  .signal-arrow {
    width: 1px;
    height: 24px;
    margin-left: 4px;
    background: linear-gradient(180deg, transparent, rgba(126, 203, 255, 0.5), transparent);
  }

  .signal-arrow::after {
    left: -3px;
    right: auto;
    top: 12px;
    transform: rotate(135deg);
  }

  h1,
  h2 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 16px, 1120px);
    padding-top: 10px;
  }

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

  .nav {
    gap: 10px;
  }

  .page {
    gap: 42px;
  }
}