* {
  box-sizing: border-box;
}

:root {
  --ink: #0b0d0c;
  --paper: #e8e7df;
  --paper-soft: #d8d7cf;
  --signal: #d8ff3e;
  --muted: #8a8e88;
  --line: rgb(232 231 223 / 20%);
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 5px;
}

.icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  height: 88px;
  padding: 0 clamp(24px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.brand-mark {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  background: var(--signal);
  color: var(--ink);
  letter-spacing: -0.08em;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3.5vw, 54px);
}

nav a,
footer > a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

nav a:hover,
footer > a:hover {
  color: var(--signal);
}

.github-link {
  padding: 12px 18px;
  border: 1px solid var(--line);
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 148px clamp(24px, 8vw, 124px) 80px;
  display: flex;
  align-items: center;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgb(232 231 223 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(232 231 223 / 4%) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to right, transparent, black 30%, black);
  mask-image: linear-gradient(to right, transparent, black 30%, black);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(760px, 63vw);
  min-width: 0;
}

.eyebrow,
.section-index,
.project-type,
.coordinate,
.visual-label,
.scroll-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-soft);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgb(216 255 62 / 10%);
  animation: pulse 2s ease-in-out infinite;
}

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

h1 {
  margin-bottom: 32px;
  font-size: clamp(3.7rem, 7.8vw, 8.2rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.91;
}

h1 em {
  color: var(--signal);
  font-family: Georgia, serif;
  font-weight: 400;
}

.intro {
  max-width: 520px;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.7;
}

.text-link {
  width: fit-content;
  padding-bottom: 7px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, gap 180ms ease;
}

.text-link:hover {
  gap: 20px;
  color: var(--signal);
}

.hero-visual {
  position: absolute;
  right: -7vw;
  top: 50%;
  width: clamp(420px, 46vw, 760px);
  aspect-ratio: 1;
  transform: translateY(-48%);
}

.orbit {
  position: absolute;
  inset: 8%;
  border: 1px solid rgb(232 231 223 / 22%);
  border-radius: 50%;
}

.orbit::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -6px;
  width: 12px;
  height: 12px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 22px var(--signal);
}

.orbit-one {
  animation: spin 18s linear infinite;
}

.orbit-two {
  inset: 23%;
  border-style: dashed;
  animation: spin 28s linear infinite reverse;
}

.orbit-two::after {
  top: 50%;
  left: -4px;
  width: 8px;
  height: 8px;
}

.core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--signal);
  color: var(--ink);
  border-radius: 50%;
  box-shadow: 0 0 90px rgb(216 255 62 / 12%);
}

.core span {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
}

.core strong {
  font-size: clamp(2.5rem, 5vw, 5rem);
  letter-spacing: -0.08em;
  line-height: 0.95;
}

.coordinate,
.visual-label {
  position: absolute;
  color: var(--muted);
}

.coordinate-a { left: 2%; top: 43%; }
.coordinate-b { right: 4%; bottom: 28%; }
.visual-label {
  right: 27%;
  top: 11%;
  color: var(--signal);
  white-space: nowrap;
}

.scroll-note {
  position: absolute;
  left: clamp(24px, 5vw, 76px);
  bottom: 28px;
  margin: 0;
  color: var(--muted);
  writing-mode: vertical-rl;
}

.work,
.services,
.about {
  padding: clamp(90px, 12vw, 180px) clamp(24px, 8vw, 124px);
}

.section-heading {
  margin-bottom: clamp(64px, 9vw, 120px);
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: end;
}

.section-index {
  color: var(--signal);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.8rem, 6vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.project {
  min-height: 410px;
  padding: 54px 0;
  display: grid;
  grid-template-columns: 0.4fr 1.2fr 1fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.project:last-child {
  border-bottom: 1px solid var(--line);
}

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

.service-list {
  border-bottom: 1px solid var(--line);
}

.service-row {
  min-height: 128px;
  display: grid;
  grid-template-columns: 0.35fr 1.2fr 1fr auto;
  gap: clamp(20px, 4vw, 64px);
  align-items: center;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: color 280ms ease, padding 500ms var(--ease);
}

.service-row:hover {
  padding-inline: 20px;
  color: var(--signal);
}

.service-number,
.service-detail {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.service-name {
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.service-arrow {
  width: 1.35rem;
  height: 1.35rem;
  transition: transform 280ms var(--ease);
}

.service-row:hover .service-arrow {
  transform: translate(5px, -5px);
}

.project-number {
  align-self: start;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.project-type {
  margin-bottom: 20px;
  color: var(--signal);
}

.project h3 {
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.project-body > p:not(.project-type) {
  max-width: 540px;
  margin-bottom: 34px;
  color: var(--muted);
  line-height: 1.75;
}

.project-glyph {
  position: relative;
  min-height: 230px;
  padding: 34px;
  overflow: hidden;
  background: #121513;
  border: 1px solid var(--line);
  color: var(--signal);
  font-family: var(--mono);
  transition: transform 500ms var(--ease), border-color 500ms ease;
}

.project:hover .project-glyph {
  transform: translateY(-8px);
  border-color: rgb(216 255 62 / 45%);
}

.terminal-line {
  position: absolute;
  left: 34px;
  top: 94px;
  color: var(--paper);
}

.terminal-cursor {
  position: absolute;
  left: 34px;
  top: 135px;
  width: 10px;
  height: 18px;
  background: var(--signal);
  animation: blink 1s steps(2) infinite;
}

.network-glyph {
  padding: 18px;
  background-image: radial-gradient(rgb(232 231 223 / 13%) 1px, transparent 1px);
  background-size: 18px 18px;
}

.network-map {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.network-line,
.network-pulse {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.network-line {
  opacity: 0.45;
}

.network-pulse {
  stroke-dasharray: 18 290;
  stroke-linecap: round;
  animation: network-flow 3.5s linear infinite;
}

.network-node {
  fill: var(--signal);
  stroke: #121513;
  stroke-width: 6;
  paint-order: stroke fill;
}

.about {
  background: var(--signal);
  color: var(--ink);
}

.about .section-index {
  margin-bottom: 64px;
  color: var(--ink);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.7fr;
  gap: clamp(50px, 10vw, 170px);
}

.about-copy {
  padding-top: 12px;
  font-size: 1.05rem;
  line-height: 1.75;
}

.about-copy p {
  margin-bottom: 24px;
}

.about-copy .text-link:hover {
  color: var(--ink);
  opacity: 0.6;
}

footer {
  min-height: 150px;
  padding: 40px clamp(24px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

footer p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px rgb(216 255 62 / 0%); } }
@keyframes network-flow { to { stroke-dashoffset: -308; } }

@media (max-width: 860px) {
  .hero {
    min-height: 900px;
    align-items: flex-start;
  }

  .hero-copy {
    width: 100%;
  }

  .hero-visual {
    top: auto;
    right: -16%;
    bottom: -2%;
    width: min(650px, 82vw);
    transform: none;
    animation: none;
  }

  .section-heading,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .project {
    grid-template-columns: 50px 1fr;
  }

  .project-glyph {
    grid-column: 2;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .site-header {
    height: 72px;
    padding: 0 20px;
  }

  .brand span:last-child,
  nav a:not(.github-link),
  .scroll-note {
    display: none;
  }

  .github-link {
    padding: 10px 13px;
  }

  .hero {
    min-height: 760px;
    padding: 128px 20px 60px;
  }

  h1 {
    font-size: clamp(2.85rem, 13.5vw, 4.3rem);
    letter-spacing: -0.065em;
  }

  .intro {
    max-width: 330px;
  }

  .hero-visual {
    right: -28%;
    bottom: -14%;
    width: 105vw;
    opacity: 0.58;
  }

  .coordinate,
  .visual-label {
    display: none;
  }

  .work,
  .services,
  .about {
    padding: 88px 20px;
  }

  .service-row {
    min-height: 112px;
    grid-template-columns: 34px 1fr auto;
    gap: 12px;
  }

  .service-detail {
    display: none;
  }

  .section-heading {
    margin-bottom: 58px;
  }

  .project {
    padding: 44px 0 60px;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-number {
    margin-bottom: 18px;
  }

  .project-glyph {
    grid-column: 1;
    margin-top: 28px;
    min-height: 190px;
  }

  footer {
    padding: 36px 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
  }
}

@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;
  }
}

/* Aethel product page */
.aethel-page {
  background: var(--ink);
}

.aethel-page .site-header {
  position: relative;
}

.aethel-hero,
.aethel-capabilities,
.aethel-demo,
.aethel-quickstart,
.aethel-command-guide {
  padding: clamp(90px, 12vw, 180px) clamp(24px, 8vw, 124px);
}

.aethel-hero {
  min-height: min(780px, calc(100svh - 88px));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: clamp(48px, 8vw, 132px);
  overflow: hidden;
  background-image: linear-gradient(rgb(232 231 223 / 4%) 1px, transparent 1px), linear-gradient(90deg, rgb(232 231 223 / 4%) 1px, transparent 1px);
  background-size: 64px 64px;
}

.aethel-hero-copy {
  position: relative;
  z-index: 1;
}

.aethel-hero h1 {
  font-size: clamp(3.8rem, 7.2vw, 7.8rem);
}

.aethel-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
}

.quiet-link {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.quiet-link:hover {
  color: var(--paper);
}

.sync-map {
  --sync-gap: clamp(20px, 2vw, 28px);
  position: relative;
  min-height: 410px;
  padding: 42px clamp(18px, 2vw, 28px) 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: 1fr auto;
  align-items: center;
  column-gap: var(--sync-gap);
  border: 1px solid var(--line);
  background: rgb(18 21 19 / 80%);
}

.sync-node {
  position: relative;
  z-index: 1;
  grid-row: 1;
  width: 100%;
  min-height: 132px;
  padding: clamp(12px, 1.2vw, 16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgb(232 231 223 / 25%);
  background: var(--ink);
  box-shadow: 0 0 0 8px rgb(11 13 12 / 60%);
}

.sync-node span,
.sync-map-label,
.terminal-topline,
.terminal-context,
.demo-step,
.aethel-capability > span,
.quickstart-list > li > span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sync-node strong {
  color: var(--paper);
  font-family: var(--mono);
  font-size: clamp(0.72rem, 0.9vw, 0.85rem);
  font-weight: 400;
}

.sync-node-local { grid-column: 1; }
.sync-node-snapshot { grid-column: 2; border-color: rgb(216 255 62 / 65%); }
.sync-node-drive { grid-column: 3; }
.sync-node-snapshot strong { color: var(--signal); }

.sync-rail { display: none; }

.sync-map-label {
  grid-column: 1 / -1;
  margin-top: 26px;
  margin: 0;
  line-height: 1.6;
  text-align: center;
}

.aethel-capabilities,
.aethel-quickstart {
  border-top: 1px solid var(--line);
}

.aethel-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.aethel-capability {
  min-width: 0;
  min-height: 310px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #101211;
}

.aethel-capability > span { color: var(--signal); }

.aethel-capability h3,
.quickstart-list h3 {
  margin: auto 0 16px;
  font-size: clamp(1.55rem, 2.3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1;
}

.aethel-capability p,
.quickstart-list p,
.command-guide-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.aethel-capability code,
.quickstart-list code,
.command-guide-grid code {
  color: var(--paper-soft);
  font-family: var(--mono);
  font-size: 0.9em;
}

.aethel-demo {
  background: var(--signal);
  color: var(--ink);
}

.aethel-demo .section-index {
  color: var(--ink);
}

.aethel-demo-shell {
  max-width: 1040px;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  box-shadow: 18px 18px 0 rgb(11 13 12 / 18%);
}

.terminal-topline {
  padding: 17px 21px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  border-bottom: 1px solid var(--line);
}

.terminal-topline i {
  width: 8px;
  height: 8px;
  margin-right: 5px;
  display: inline-block;
  border-radius: 50%;
  background: var(--muted);
}

.terminal-topline i:first-child { background: var(--signal); }

.terminal-context,
.demo-step {
  margin: 28px 34px 0;
}

.demo-step { color: var(--signal); }

.aethel-terminal-output {
  min-height: 240px;
  margin: 22px 34px 0;
  padding: 27px;
  overflow-x: auto;
  border: 1px solid rgb(232 231 223 / 18%);
  background: #121513;
  color: var(--paper);
  font-family: var(--mono);
  font-size: clamp(0.78rem, 1.35vw, 0.94rem);
  line-height: 1.8;
  white-space: pre;
}

.aethel-demo-controls {
  padding: 22px 34px 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.aethel-demo-controls button,
.command-block button {
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid rgb(232 231 223 / 25%);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.aethel-demo-controls .demo-next {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--ink);
}

.aethel-demo-controls .demo-reset { margin-left: auto; }
.aethel-demo-controls button:hover:not(:disabled), .command-block button:hover { border-color: var(--signal); color: var(--signal); }
.aethel-demo-controls .demo-next:hover:not(:disabled) { background: var(--paper); color: var(--ink); }
.aethel-demo-controls button:disabled { cursor: not-allowed; opacity: 0.35; }

.quickstart-list {
  max-width: 1040px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.quickstart-list > li {
  padding: 40px 0;
  display: grid;
  grid-template-columns: 0.28fr 1fr;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}

.quickstart-list > li > span { color: var(--signal); }
.quickstart-list h3 { margin: 0 0 14px; }
.quickstart-list p + .command-block { margin-top: 20px; }

.command-block {
  min-width: 0;
  margin-top: 15px;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  background: #121513;
}

.command-block code {
  min-width: 0;
  padding: 16px 18px;
  flex: 1;
  overflow-x: auto;
  color: var(--paper);
  white-space: nowrap;
}

.command-block button {
  border-width: 0 0 0 1px;
}

.command-block-stack code { white-space: pre; line-height: 1.7; }
.secret-note { margin-top: 14px !important; color: var(--paper-soft) !important; }

.aethel-command-guide {
  border-top: 1px solid var(--line);
}

.command-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.command-guide-grid article {
  min-width: 0;
  min-height: 190px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.command-guide-grid code { display: block; margin-bottom: 58px; color: var(--signal); }
.aethel-closing { margin-top: clamp(64px, 9vw, 120px); }
.aethel-closing p { margin-bottom: 25px; font-size: clamp(1.5rem, 3vw, 2.6rem); letter-spacing: -0.05em; }

@media (max-width: 1100px) {
  .aethel-hero { min-height: auto; grid-template-columns: 1fr; }
  .sync-map { max-width: 650px; width: 100%; }
}

@media (max-width: 860px) {
  .aethel-hero { min-height: auto; grid-template-columns: 1fr; }
  .sync-map { max-width: 650px; width: 100%; }
  .aethel-capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .aethel-hero,
  .aethel-capabilities,
  .aethel-demo,
  .aethel-quickstart,
  .aethel-command-guide { padding: 82px 20px; }

  .aethel-hero { padding-top: 74px; }
  .aethel-hero h1 { font-size: clamp(3rem, 14vw, 4.4rem); }
  .sync-map { min-height: 0; padding: 24px; grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; gap: 25px; }
  .sync-node { min-height: 92px; padding: 15px; }
  .sync-node-local, .sync-node-snapshot, .sync-node-drive { grid-column: 1; }
  .sync-map-label { grid-column: 1; margin-top: 4px; font-size: 0.6rem; text-align: center; }
  .aethel-capability-grid, .command-guide-grid { grid-template-columns: 1fr; }
  .aethel-capability { min-height: 230px; }
  .terminal-topline { font-size: 0.58rem; }
  .terminal-topline span:last-child { display: none; }
  .terminal-context, .demo-step { margin-inline: 20px; }
  .aethel-terminal-output { min-height: 214px; margin-inline: 20px; padding: 20px; }
  .aethel-demo-controls { padding-inline: 20px; }
  .aethel-demo-controls .demo-reset { margin-left: 0; }
  .quickstart-list > li { grid-template-columns: 1fr; gap: 13px; }
  .command-block { flex-direction: column; }
  .command-block button { border-width: 1px 0 0; }
  .command-block-stack code { white-space: pre-wrap; }
  .command-guide-grid article { min-height: 160px; }
}