:root {
  --bg: #07070a;
  --bg-soft: #0d1018;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(255, 255, 255, 0.095);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.07);
  --text: #f8fafc;
  --muted: #9ca3af;
  --subtle: #6b7280;
  --violet: #8b5cf6;
  --violet-dark: #6d28d9;
  --cyan: #22d3ee;
  --amber: #f59e0b;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.45);
  --font-body: "Inter", system-ui, sans-serif;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    radial-gradient(circle at 18% 18%, rgba(139, 92, 246, 0.13), transparent 34rem),
    radial-gradient(circle at 82% 12%, rgba(34, 211, 238, 0.1), transparent 30rem),
    var(--bg);
  background-size: 40px 40px, 40px 40px, auto, auto, auto;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

body::selection {
  background: rgba(139, 92, 246, 0.45);
}

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

button,
input {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.orb {
  position: fixed;
  z-index: -1;
  width: 24rem;
  height: 24rem;
  filter: blur(70px);
  opacity: 0.22;
  border-radius: 999px;
  pointer-events: none;
}

.orb-violet {
  top: 9rem;
  left: -8rem;
  background: var(--violet);
}

.orb-cyan {
  right: -10rem;
  top: 24rem;
  background: var(--cyan);
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, height 180ms ease;
}

.site-header.is-scrolled {
  height: 64px;
  background: rgba(7, 7, 10, 0.82);
  border-color: var(--line-soft);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand img {
  width: 2.25rem;
  height: 2.25rem;
}

.brand.small img {
  width: 2rem;
  height: 2rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--cyan);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  padding: 0.65rem;
}

.menu-button span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  border-radius: 999px;
}

.section-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.88fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: 100vh;
  padding: 9rem 0 6rem;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.2rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow span {
  position: relative;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--violet);
  box-shadow: 0 0 22px var(--violet);
}

.eyebrow.compact {
  margin-bottom: 0.75rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.055em;
}

h1 {
  font-size: clamp(3.2rem, 9vw, 7.6rem);
  line-height: 0.88;
  max-width: 900px;
}

h1 em {
  color: var(--cyan);
  font-style: normal;
  text-shadow: 0 0 38px rgba(34, 211, 238, 0.22);
}

h2 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.95;
}

h3 {
  font-size: 1.35rem;
}

.hero-lede {
  max-width: 650px;
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-dark));
  color: white;
  box-shadow: 0 20px 42px rgba(139, 92, 246, 0.28);
}

.button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.button-ghost:hover {
  border-color: rgba(34, 211, 238, 0.55);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.signal-strip div {
  padding: 0.85rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
}

.signal-strip dt {
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.signal-strip dd {
  margin: 0.28rem 0 0;
  font-weight: 700;
}

.pipeline-card {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid rgba(139, 92, 246, 0.24);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.025)),
    rgba(6, 8, 14, 0.92);
  box-shadow: var(--shadow), 0 0 80px rgba(139, 92, 246, 0.14);
}

.pipeline-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(34, 211, 238, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 38%, black, transparent 76%);
  pointer-events: none;
}

.window-bar,
.card-footer {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.48rem;
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.window-bar {
  padding: 0.5rem 0.6rem 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}

.window-bar span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--line);
}

.window-bar span:nth-child(1) { background: #ef4444; }
.window-bar span:nth-child(2) { background: var(--amber); }
.window-bar span:nth-child(3) { background: #22c55e; }
.window-bar strong {
  margin-left: auto;
  color: var(--muted);
  font-weight: 500;
}

.pipeline-grid {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding: 1rem 0 0.9rem;
}

.terminal-panel {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.32);
}

.terminal-panel.active {
  border-color: rgba(34, 211, 238, 0.34);
  box-shadow: inset 0 0 32px rgba(34, 211, 238, 0.045);
}

.panel-label,
.archive-meta,
.tag-line {
  margin: 0 0 0.7rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.terminal-panel code {
  display: block;
  color: #dbeafe;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

.connector {
  width: 1px;
  height: 1.1rem;
  margin-left: 1.5rem;
  background: linear-gradient(var(--violet), var(--cyan));
}

.mini-lines i,
.thread-preview b {
  display: block;
  height: 0.42rem;
  margin-top: 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.mini-lines i:nth-child(1) { width: 78%; }
.mini-lines i:nth-child(2) { width: 58%; }
.mini-lines i:nth-child(3) { width: 68%; }
.thread-preview b:nth-child(1) { width: 50%; background: rgba(139, 92, 246, 0.35); }
.thread-preview b:nth-child(2) { width: 88%; }
.thread-preview b:nth-child(3) { width: 64%; }

.node-map {
  position: relative;
  height: 5.5rem;
  margin-top: 0.8rem;
  border-radius: 14px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.09), transparent 65%);
}

.node-map span {
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.45);
}

.node-map span:nth-child(1) { left: 14%; top: 44%; }
.node-map span:nth-child(2) { left: 42%; top: 18%; border-color: var(--violet); }
.node-map span:nth-child(3) { right: 23%; top: 58%; }
.node-map span:nth-child(4) { right: 9%; top: 26%; border-color: var(--amber); }

.card-footer {
  justify-content: space-between;
  padding: 0.85rem 0.2rem 0.25rem;
  border-top: 1px solid var(--line-soft);
}

.stack-section,
.workflow-section {
  padding: 5.5rem 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  max-width: none;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

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

.glass-card,
.archive-card,
.final-cta {
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.glass-card {
  min-height: 260px;
  padding: 1.35rem;
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.34);
}

.glass-card p {
  color: var(--muted);
  line-height: 1.7;
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.1rem;
  border-radius: 1rem;
  font-family: var(--font-mono);
  font-weight: 800;
}

.icon-chip.violet { background: rgba(139, 92, 246, 0.18); color: #c4b5fd; }
.icon-chip.cyan { background: rgba(34, 211, 238, 0.14); color: #67e8f9; }
.icon-chip.amber { background: rgba(245, 158, 11, 0.16); color: #fbbf24; }

.tag-line {
  display: block;
  margin-top: 1.2rem;
  color: var(--subtle);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  max-width: 920px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 2rem;
  width: 1px;
  background: linear-gradient(transparent, rgba(139, 92, 246, 0.6), rgba(34, 211, 238, 0.45), transparent);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) minmax(220px, 0.8fr);
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.step-index {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(34, 211, 238, 0.34);
  border-radius: 50%;
  color: var(--cyan);
  background: #080a10;
  font-family: var(--font-mono);
  font-weight: 700;
}

.timeline-item p {
  color: var(--muted);
  line-height: 1.65;
}

.timeline-item code {
  display: block;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  color: #c4b5fd;
  background: rgba(0, 0, 0, 0.3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
}

.text-link {
  color: var(--violet);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

.archive-card {
  overflow: hidden;
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease;
}

.archive-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.38);
}

.archive-visual {
  height: 13rem;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.18), transparent 16rem),
    #111827;
  background-size: 24px 24px, 24px 24px, auto, auto;
}

.gradient-a { background-color: #18112b; background-image: radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.55), transparent 11rem), linear-gradient(135deg, transparent 48%, rgba(34, 211, 238, 0.35) 49%, transparent 51%); }
.gradient-b { background-color: #08151a; background-image: radial-gradient(circle at 70% 35%, rgba(34, 211, 238, 0.5), transparent 10rem), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); }
.gradient-c { background-color: #1c1307; background-image: radial-gradient(circle at 35% 35%, rgba(245, 158, 11, 0.48), transparent 10rem), radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.42), transparent 12rem); }

.archive-card p,
.archive-card h3 {
  padding-inline: 1.15rem;
}

.archive-card p {
  margin-top: 1.15rem;
}

.archive-card h3 {
  margin: 0 0 1.3rem;
  line-height: 1.2;
}

.x-preview-section {
  padding: 5.5rem 0 2rem;
}

.x-preview-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(340px, 1fr);
  gap: 1rem;
  align-items: start;
}

.x-context-card,
.x-timeline-shell {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.x-context-card {
  position: sticky;
  top: 88px;
  padding: 1.35rem;
}

.x-context-card h3 {
  margin-bottom: 0.8rem;
}

.x-context-card p:not(.panel-label) {
  color: var(--muted);
  line-height: 1.7;
}

.x-context-card ul {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 0 0;
  margin: 1rem 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.x-context-card li {
  position: relative;
  padding-left: 1.2rem;
  color: #dbeafe;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
}

.x-context-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.5);
}

.x-timeline-shell {
  overflow: hidden;
  min-height: 620px;
  padding: 0.35rem;
}

.x-timeline-shell iframe {
  border-radius: calc(var(--radius) - 6px) !important;
}

.x-timeline-shell .twitter-timeline {
  display: grid;
  min-height: 620px;
  place-items: center;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 2rem;
  align-items: center;
  margin-top: 4rem;
  margin-bottom: 5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: calc(var(--radius) + 10px);
  background:
    radial-gradient(circle at 12% 30%, rgba(34, 211, 238, 0.11), transparent 24rem),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.18), transparent 24rem),
    rgba(255, 255, 255, 0.045);
}

.final-cta p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.7;
}

.subscribe-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.7rem;
}

.subscribe-form input {
  min-width: 0;
  height: 3.2rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
  color: var(--text);
  background: rgba(0, 0, 0, 0.28);
}

.subscribe-form input:focus {
  border-color: var(--cyan);
}

.form-note {
  grid-column: 1 / -1;
  min-height: 1.2rem;
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 0.88rem;
}

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

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

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 76px 1rem auto;
    display: grid;
    gap: 0;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(7, 7, 10, 0.94);
    backdrop-filter: blur(18px);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 1rem;
    border-radius: 14px;
  }

  .site-nav a:hover {
    background: var(--surface);
  }

  .hero,
  .final-cta,
  .x-preview-layout {
    grid-template-columns: 1fr;
  }

  .x-context-card {
    position: static;
  }

  .x-timeline-shell,
  .x-timeline-shell .twitter-timeline {
    min-height: 520px;
  }

  .hero {
    padding-top: 7.5rem;
  }

  .three-up,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .section-heading.split,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .signal-strip,
  .subscribe-form {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }

  .hero-actions .button,
  .subscribe-form .button {
    width: 100%;
  }

  .card-footer {
    display: grid;
    gap: 0.4rem;
  }
}