:root {
  --ink: #050706;
  --ink-soft: #0b100d;
  --panel: #101712;
  --panel-2: #151e17;
  --paper: #edf6ee;
  --muted: #9eada1;
  --line: #273129;
  --acid: #b8ff3d;
  --acid-dark: #6e9d18;
  --display: "Bricolage Grotesque", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --page: min(1240px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--mono);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 80% 8%, rgba(184, 255, 61, 0.08), transparent 24rem),
    linear-gradient(90deg, transparent 49.9%, rgba(255, 255, 255, 0.018) 50%, transparent 50.1%);
  background-size: auto, 64px 100%;
  pointer-events: none;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--acid);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
}

.site-header,
main,
footer {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  min-height: 86px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: max-content;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.wordmark i {
  color: var(--acid);
  font-family: var(--mono);
  font-style: normal;
  font-weight: 400;
}

.site-header nav {
  display: flex;
  gap: 32px;
}

.site-header nav a,
.version-pill {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

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

.version-pill {
  justify-self: end;
  padding: 7px 11px;
  color: var(--acid);
  border: 1px solid var(--acid-dark);
  border-radius: 100px;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(440px, 0.96fr);
  gap: 30px;
  align-items: center;
  padding: 80px 0 70px;
}

.eyebrow,
.kicker {
  margin: 0 0 22px;
  color: var(--acid);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--acid);
  animation: pulse 2.6s ease-in-out infinite;
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

h1 {
  max-width: 740px;
  margin-bottom: 30px;
  font-size: clamp(64px, 7.5vw, 116px);
  font-stretch: condensed;
}

.hero-lede {
  max-width: 690px;
  margin-bottom: 34px;
  color: #c1cdc3;
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 0 18px;
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  min-width: 244px;
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #c7ff64;
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--muted);
}

.micro-proof {
  margin: 22px 0 0;
  color: #748078;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tool-constellation {
  position: relative;
  min-height: 580px;
  isolation: isolate;
}

.tool-constellation::before {
  content: "";
  position: absolute;
  inset: 8% 5%;
  z-index: -2;
  background: radial-gradient(circle, rgba(184, 255, 61, 0.09), transparent 60%);
  filter: blur(8px);
}

.constellation-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 228px;
  height: 228px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--acid);
  color: var(--ink);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 16px rgba(184, 255, 61, 0.03), 0 0 80px rgba(184, 255, 61, 0.13);
}

.constellation-core strong {
  font-family: var(--display);
  font-size: 92px;
  line-height: 0.75;
  letter-spacing: -0.085em;
}

.constellation-core span {
  margin-top: 15px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -3px;
  width: 6px;
  height: 6px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--acid);
}

.orbit-a { width: 340px; height: 340px; transform: translate(-50%, -50%) rotate(20deg); }
.orbit-b { width: 470px; height: 470px; transform: translate(-50%, -50%) rotate(135deg); }
.orbit-c { width: 570px; height: 570px; border-style: dashed; transform: translate(-50%, -50%) rotate(260deg); }

.signal {
  position: absolute;
  width: 126px;
  min-height: 64px;
  padding: 11px 12px;
  background: rgba(16, 23, 18, 0.86);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.signal b,
.signal span {
  display: block;
}

.signal b {
  color: var(--acid);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.signal span {
  margin-top: 7px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.signal-search { top: 7%; left: 35%; }
.signal-library { top: 19%; right: 0; }
.signal-playlists { top: 47%; right: -3%; }
.signal-discovery { right: 15%; bottom: 5%; }
.signal-lyrics { bottom: 2%; left: 21%; }
.signal-folders { top: 53%; left: -1%; }
.signal-radio { top: 22%; left: 0; }
.signal-writes { left: 42%; bottom: 18%; border-color: var(--acid-dark); }

.proof-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}

.proof-rail div {
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 30px;
  border-right: 1px solid var(--line);
}

.proof-rail div:last-child {
  border-right: 0;
}

.proof-rail strong {
  font-family: var(--display);
  font-size: 50px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.proof-rail span {
  margin-top: 9px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section {
  padding: 144px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.7fr 1.5fr 0.9fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 74px;
}

.section-heading.compact {
  grid-template-columns: 0.7fr 2.4fr;
}

.section-heading h2,
.safety-copy h2,
.install-heading h2 {
  margin-bottom: 0;
  font-size: clamp(48px, 5.8vw, 84px);
}

.section-heading > p:last-child,
.safety-copy > p {
  color: var(--muted);
  font-size: 13px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability {
  grid-column: span 4;
  min-height: 290px;
  padding: 28px;
  background: rgba(11, 16, 13, 0.75);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease, transform 180ms ease;
}

.capability:hover {
  background: var(--panel);
  transform: translateY(-4px);
}

.capability.featured {
  grid-column: span 8;
}

.capability.accent-card {
  color: var(--ink);
  background: var(--acid);
}

.cap-number {
  display: block;
  margin-bottom: 50px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.accent-card .cap-number {
  color: #3e570f;
}

.capability h3 {
  margin-bottom: 16px;
  font-size: 30px;
}

.capability p,
.capability li {
  color: var(--muted);
  font-size: 12px;
}

.accent-card p {
  color: #253309;
}

.capability ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.capability li {
  padding: 4px 8px;
  border: 1px solid var(--line);
}

.prompt-stack {
  margin-left: 27%;
  border-top: 1px solid var(--line);
}

.prompt-stack article {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.prompt-stack span {
  color: var(--acid);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.prompt-stack p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(24px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.safety {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 100px;
}

.safety-copy h2 {
  margin-bottom: 28px;
}

.text-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--acid);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.safety-flow {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.safety-flow li {
  min-height: 145px;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.safety-flow li > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--acid);
  border-radius: 50%;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
}

.safety-flow strong {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: -0.04em;
}

.safety-flow p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.evidence-panel {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 80px;
  padding: 50px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.comparison {
  display: flex;
  flex-direction: column;
  gap: 34px;
  justify-content: center;
}

.bar {
  display: grid;
  grid-template-columns: 140px 1fr 52px;
  gap: 18px;
  align-items: center;
}

.bar span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bar i {
  display: block;
  height: 16px;
  background: var(--line);
}

.bar.ours i {
  background: var(--acid);
}

.bar.next i {
  width: 69.64%;
}

.bar strong {
  font-family: var(--display);
  font-size: 32px;
  letter-spacing: -0.05em;
}

.evidence-links {
  border-top: 1px solid var(--line);
}

.evidence-links a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  text-decoration: none;
}

.evidence-links a span {
  color: var(--muted);
}

.evidence-links a b {
  color: var(--acid);
  font-weight: 500;
}

.evidence-note {
  max-width: 750px;
  margin: 24px 0 0 auto;
  color: #6f7b72;
  font-size: 10px;
}

.install-heading {
  display: grid;
  grid-template-columns: 0.7fr 2.4fr;
  gap: 48px;
  margin-bottom: 64px;
}

.terminal {
  margin-left: 18%;
  padding: 30px;
  background: #020302;
  border: 1px solid #354137;
  box-shadow: 16px 16px 0 var(--acid);
}

.terminal-top {
  display: flex;
  justify-content: space-between;
  color: #68736a;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.command-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 28px 0 4px;
}

.command-row code {
  color: var(--acid);
  font-family: var(--mono);
  font-size: clamp(14px, 2.1vw, 23px);
}

.copy-button {
  padding: 8px 10px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  color: var(--ink);
  background: var(--acid);
}

.terminal-divider {
  height: 1px;
  margin: 30px 0;
  background: var(--line);
}

.terminal pre {
  margin: 22px 0 0;
  overflow-x: auto;
  color: #c7d2c9;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
}

.client-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 46px 0 0 18%;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.client-line b {
  padding: 7px 10px;
  color: var(--paper);
  border: 1px solid var(--line);
  font-weight: 500;
}

.faq-list {
  margin-left: 27%;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.035em;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary span {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 400;
  transition: transform 150ms ease;
}

.faq details[open] summary span {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 760px;
  padding: 0 70px 28px 0;
  color: var(--muted);
  font-size: 13px;
}

.closing {
  min-height: 480px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  align-items: center;
  padding: 100px 0;
}

.closing > p {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(58px, 7vw, 104px);
  font-weight: 750;
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.closing em {
  color: var(--acid);
  font-style: normal;
}

.closing > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.closing > div > span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

footer {
  min-height: 130px;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 30px;
  align-items: center;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
  color: #667168;
  font-size: 9px;
  text-align: center;
}

footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

footer > div a {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.copy-status {
  position: fixed;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

@keyframes pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1.18); }
}

@media (max-width: 1000px) {
  :root { --page: min(100% - 34px, 820px); }
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 90px; }
  .tool-constellation { min-height: 600px; }
  .section-heading,
  .section-heading.compact,
  .install-heading { grid-template-columns: 1fr; gap: 22px; }
  .capability,
  .capability.featured { grid-column: span 6; }
  .prompt-stack,
  .faq-list { margin-left: 0; }
  .safety { grid-template-columns: 1fr; gap: 60px; }
  .evidence-panel { grid-template-columns: 1fr; gap: 60px; }
  .terminal,
  .client-line { margin-left: 0; }
  .closing { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --page: calc(100% - 24px); }
  .site-header { min-height: 70px; }
  .hero { min-height: auto; padding: 70px 0 50px; }
  h1 { font-size: clamp(54px, 17vw, 78px); }
  .hero-lede { font-size: 13px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .tool-constellation { min-height: 470px; transform: scale(0.86); margin-inline: -35px; }
  .constellation-core { width: 178px; height: 178px; }
  .constellation-core strong { font-size: 72px; }
  .orbit-a { width: 270px; height: 270px; }
  .orbit-b { width: 370px; height: 370px; }
  .orbit-c { width: 450px; height: 450px; }
  .signal { width: 108px; min-height: 58px; }
  .signal span { font-size: 13px; }
  .proof-rail { grid-template-columns: 1fr 1fr; }
  .proof-rail div:nth-child(2) { border-right: 0; }
  .proof-rail div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .proof-rail div { min-height: 110px; padding: 20px; }
  .proof-rail strong { font-size: 38px; }
  .section { padding: 95px 0; }
  .section-heading { margin-bottom: 48px; }
  .section-heading h2,
  .safety-copy h2,
  .install-heading h2 { font-size: 50px; }
  .capability,
  .capability.featured { grid-column: span 12; min-height: 240px; }
  .prompt-stack article { grid-template-columns: 1fr; }
  .safety-flow li { grid-template-columns: 55px 1fr; }
  .evidence-panel { padding: 26px 18px; }
  .bar { grid-template-columns: 90px 1fr 38px; gap: 10px; }
  .bar span { font-size: 8px; }
  .bar strong { font-size: 24px; }
  .terminal { padding: 22px 16px; box-shadow: 8px 8px 0 var(--acid); }
  .command-row { grid-template-columns: 1fr; }
  .terminal pre { font-size: 10px; }
  .faq summary { font-size: 21px; }
  .faq details p { padding-right: 0; }
  .closing { min-height: 420px; }
  .closing > p { font-size: 58px; }
  footer { grid-template-columns: 1fr; padding: 32px 0; text-align: center; }
  footer .wordmark { margin-inline: auto; }
  footer > div { justify-content: center; }
}

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