:root {
  color-scheme: dark;
  --background: #020807;
  --surface: #06110e;
  --text: #f1fff8;
  --muted: #a8bcb3;
  --cyan: #43ffd0;
  --green: #45ff89;
  --gold: #ffd84a;
  --red: #ff3429;
  --hero-core-duration: 4.6s;
  --hero-eye-duration: 3.2s;
  --hero-breath-duration: 5.8s;
  --hero-hud-duration: 6.4s;
  --stage-ratio: 1.776833;
  --rail-left: clamp(0.85rem, 2.2vw, 2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--background);
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: hidden;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

main {
  position: relative;
}

main::before {
  position: absolute;
  z-index: 25;
  top: 0;
  bottom: 0;
  left: calc(var(--rail-left) + 0.9rem);
  width: 1px;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgb(67 255 208 / 20%) 2rem, rgb(67 255 208 / 11%) calc(100% - 2rem), transparent);
  box-shadow: 0 0 0.7rem rgb(67 255 208 / 6%);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  isolation: isolate;
  overflow: hidden;
  background: #020807;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1.25rem, 2.5vw, 2.25rem) clamp(1.25rem, 5vw, 5rem);
  padding-left: var(--rail-left);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border: 1px solid rgb(67 255 208 / 45%);
  border-radius: 50%;
  box-shadow: inset 0 0 1rem rgb(67 255 208 / 12%), 0 0 1.25rem rgb(67 255 208 / 10%);
}

.brand__mark::before,
.brand__mark::after,
.brand__mark span {
  position: absolute;
  content: "";
  background: var(--cyan);
}

.brand__mark::before {
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 50%;
  box-shadow: 0 0 0.65rem var(--cyan);
}

.brand__mark::after {
  width: 0.95rem;
  height: 1px;
}

.brand__mark span {
  width: 1px;
  height: 0.95rem;
}

.brand__name {
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.brand__name span {
  color: var(--cyan);
}

.chapter-marker {
  position: absolute;
  z-index: 30;
  top: clamp(1.25rem, 2.5vw, 2.25rem);
  left: var(--rail-left);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgb(230 255 242 / 72%);
  font-size: 0.64rem;
  font-weight: 720;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.chapter-marker .brand__mark {
  flex: 0 0 auto;
  background: #020b08;
}

.system-state {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: rgb(217 242 231 / 72%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-state b {
  color: var(--text);
  font-weight: 600;
}

.system-state__divider {
  font-style: normal;
}

.system-state__signal {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0.8rem var(--green);
  animation: signal-pulse 2.7s ease-in-out infinite;
}

.hero__visual,
.hero__scrim {
  position: absolute;
  inset: 0;
}

.hero__visual {
  z-index: 1;
}

/* This stage behaves like object-fit: cover while preserving the artwork's own coordinate space. */
.hero__scene {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(100vw, calc(100svh * var(--stage-ratio)));
  aspect-ratio: 1672 / 941;
  transform: translate(-50%, -50%);
  transform-origin: center;
}

.hero__artwork {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.hero__artwork img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

/* A feathered duplicate lets only the main body move; the surrounding raster stays stable. */
.hero__artwork--breath {
  z-index: 1;
  opacity: 0.72;
  transform-origin: 47% 48%;
  mask-image: radial-gradient(ellipse 31% 48% at 47% 48%, #000 8%, rgb(0 0 0 / 88%) 48%, transparent 76%);
  animation: beaver-breath var(--hero-breath-duration) ease-in-out infinite;
}

.network-flow {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.network-flow__guides {
  fill: none;
  stroke: rgb(91 255 207 / 11%);
  stroke-width: 1.15;
  vector-effect: non-scaling-stroke;
}

.network-flow__pulses {
  fill: none;
}

.data-pulse {
  stroke-dasharray: 0.018 0.982;
  stroke-dashoffset: 1;
  stroke-linecap: round;
  stroke-width: 4.2;
  vector-effect: non-scaling-stroke;
  animation: data-flow var(--flow-duration) linear var(--flow-delay) infinite;
}

.data-pulse--cyan {
  stroke: #9effe3;
}

.data-pulse--gold {
  stroke: #ffe779;
}

.data-pulse--secondary {
  opacity: 0.62;
  stroke-width: 3;
}

.hud-effect,
.agent-glow,
.network-node,
.eye-core,
.system-core {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}

.hud-effect {
  overflow: hidden;
  border: 1px solid rgb(81 255 185 / 9%);
  background: linear-gradient(100deg, transparent 15%, rgb(79 255 193 / 8%) 52%, transparent 80%);
  mix-blend-mode: screen;
  animation: hud-breathe var(--hero-hud-duration) ease-in-out infinite;
}

.hud-effect::after {
  position: absolute;
  inset: -24% 0 auto;
  height: 22%;
  content: "";
  background: linear-gradient(180deg, transparent, rgb(115 255 210 / 34%), transparent);
  filter: blur(2px);
  animation: hud-scan 5.9s linear infinite;
}

.hud-effect--primary {
  top: 7.7%;
  left: 25.7%;
  width: 13.4%;
  height: 16.6%;
  animation-delay: -1.8s;
}

.hud-effect--security {
  top: 35.4%;
  left: 24%;
  width: 12%;
  height: 12.6%;
  animation-delay: -4.3s;
}

.hud-effect--security::after {
  animation-delay: -2.2s;
}

.hud-effect--threat {
  top: 68.3%;
  left: 61.2%;
  width: 14.6%;
  height: 23.8%;
  animation-delay: -3.1s;
}

.hud-effect--threat::after {
  animation-duration: 7.1s;
  animation-delay: -4.8s;
}

.agent-glow {
  width: 4.4%;
  aspect-ratio: 2.1 / 1;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgb(79 255 209 / 43%), rgb(55 255 190 / 8%) 47%, transparent 72%);
  mix-blend-mode: screen;
  filter: blur(2px);
  transform: translate(-50%, -50%);
  animation: agent-terminal 3.9s ease-in-out infinite;
}

.agent-glow--one { top: 15.5%; left: 71.2%; animation-delay: -1.4s; }
.agent-glow--two { top: 32.7%; left: 72.7%; animation-delay: -3.1s; }
.agent-glow--three { top: 43.5%; left: 67.9%; animation-delay: -0.6s; }
.agent-glow--four { top: 46.6%; left: 87.1%; animation-delay: -2.2s; }
.agent-glow--five { top: 69.8%; left: 13%; animation-delay: -3.5s; }

.network-node {
  width: 0.62%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #ffe65a;
  box-shadow: 0 0 0.8rem #ffe65a, 0 0 1.8rem rgb(255 214 57 / 60%);
  mix-blend-mode: screen;
  animation: node-think 4.8s ease-in-out infinite;
}

.network-node--one { top: 36.8%; left: 43.7%; animation-delay: -1.1s; }
.network-node--two { top: 44.8%; left: 40.8%; animation-delay: -3.7s; }
.network-node--three { top: 31.8%; left: 50.6%; animation-delay: -2.4s; }
.network-node--four { top: 49.2%; left: 49%; animation-delay: -4.1s; }

.eye-core {
  top: 21.6%;
  left: 54.9%;
  width: 4.6%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgb(255 236 171 / 95%) 0 4%, #ff4b32 9%, rgb(255 30 20 / 70%) 21%, transparent 61%);
  mix-blend-mode: screen;
  filter: blur(0.2px);
  animation: eye-pulse var(--hero-eye-duration) ease-in-out infinite;
}

.eye-core__flare {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  box-shadow: 0 0 0.55rem #ff3b27, 0 0 1.8rem rgb(255 31 22 / 76%), 0 0 3.8rem rgb(255 20 10 / 35%);
}

.eye-core__spark {
  position: absolute;
  top: 32%;
  left: 34%;
  width: 9%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #fff4cd;
  box-shadow: 0 0 0.6rem #fff4cd;
  animation: eye-spark 7.9s ease-in-out infinite;
}

.system-core {
  top: 54.4%;
  left: 54.5%;
  width: 14.2%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  mix-blend-mode: screen;
}

.system-core__aura,
.system-core__ring,
.system-core__response,
.system-core__spark {
  position: absolute;
  border-radius: 50%;
}

.system-core__aura {
  inset: 16%;
  background: radial-gradient(circle, rgb(255 253 197 / 86%) 0 3%, rgb(255 222 69 / 55%) 14%, rgb(76 255 194 / 19%) 42%, transparent 70%);
  box-shadow: 0 0 2rem rgb(255 226 85 / 35%);
  animation: core-glow var(--hero-core-duration) ease-in-out infinite;
}

.system-core__ring {
  inset: 19%;
  border: 1px solid rgb(255 238 134 / 70%);
  box-shadow: inset 0 0 1rem rgb(74 255 201 / 22%), 0 0 1.2rem rgb(255 224 70 / 25%);
  animation: energy-ring 6.8s cubic-bezier(0.22, 0.61, 0.36, 1) infinite;
}

.system-core__ring--two {
  animation-delay: -3.4s;
}

.system-core__response {
  inset: 28%;
  background: radial-gradient(circle, rgb(255 250 178 / 88%), rgb(255 208 53 / 22%) 28%, transparent 66%);
  filter: blur(2px);
  animation: core-response 5.9s ease-in-out -2.7s infinite;
}

.system-core__spark {
  width: 2.4%;
  aspect-ratio: 1;
  background: #fff5b2;
  box-shadow: 0 0 0.7rem #fff0a0;
  animation: core-spark 7.1s ease-out infinite;
}

.system-core__spark--one { top: 42%; left: 18%; animation-delay: -2.1s; }
.system-core__spark--two { top: 70%; left: 76%; animation-delay: -5.8s; }

.hero__scrim {
  z-index: 4;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgb(2 8 7 / 91%) 0%, rgb(2 8 7 / 68%) 20%, rgb(2 8 7 / 18%) 49%, transparent 69%),
    linear-gradient(180deg, rgb(1 7 6 / 53%) 0%, transparent 22%, transparent 64%, rgb(1 7 6 / 66%) 100%),
    radial-gradient(circle at 54.5% 54%, transparent 0 22%, rgb(1 7 6 / 12%) 55%, rgb(1 7 6 / 33%) 100%);
}

.hero__scrim::after {
  position: absolute;
  inset: 0;
  content: "";
  border: 1px solid rgb(92 255 206 / 12%);
  border-width: 0 1px;
  margin-inline: clamp(1.25rem, 5vw, 5rem);
}

.hero__content {
  position: relative;
  z-index: 10;
  display: flex;
  width: min(100%, 92rem);
  min-height: 100vh;
  min-height: 100svh;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  margin-inline: auto;
  padding: clamp(6.8rem, 12vh, 9rem) clamp(1.25rem, 5vw, 5rem) clamp(6.5rem, 10vh, 8rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.62rem, 0.75vw, 0.72rem);
  font-weight: 650;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 1.8rem;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 0.65rem currentColor;
}

.hero h1 {
  max-width: 11ch;
  margin: clamp(1rem, 2.4vh, 1.6rem) 0 0;
  font-size: clamp(3.4rem, 7vw, 7.2rem);
  font-weight: 640;
  letter-spacing: -0.075em;
  line-height: 0.88;
  text-wrap: balance;
}

.hero h1 em {
  color: transparent;
  font-style: normal;
  -webkit-text-stroke: 1px rgb(210 255 236 / 66%);
  text-shadow: 0 0 1.6rem rgb(67 255 208 / 12%);
}

.hero__lead {
  max-width: 34rem;
  margin: clamp(1.5rem, 3vh, 2.25rem) 0 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.25vw, 1.15rem);
  line-height: 1.7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  min-height: 3.4rem;
  margin-top: clamp(1.8rem, 3.5vh, 2.6rem);
  padding: 0.2rem 1.4rem;
  border: 1px solid rgb(67 255 208 / 55%);
  background: rgb(3 18 14 / 68%);
  box-shadow: inset 0 0 1.6rem rgb(67 255 208 / 7%), 0 0 1.8rem rgb(67 255 208 / 5%);
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.hero__cta svg {
  width: 1.1rem;
  fill: none;
  stroke: var(--cyan);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.35;
  transition: transform 180ms ease;
}

.hero__cta:hover,
.hero__cta:focus-visible {
  border-color: var(--cyan);
  background: rgb(6 39 29 / 86%);
  box-shadow: inset 0 0 1.6rem rgb(67 255 208 / 11%), 0 0 2rem rgb(67 255 208 / 12%);
  outline: none;
}

.hero__cta:hover svg,
.hero__cta:focus-visible svg {
  transform: translateX(0.2rem);
}

.hero__profiles {
  display: flex;
  gap: clamp(1.25rem, 3vw, 3.2rem);
  margin: clamp(2rem, 4vh, 3.2rem) 0 0;
}

.hero__profiles a {
  position: relative;
  color: rgb(223 255 238 / 72%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.hero__profiles a::after {
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.hero__profiles a span {
  color: var(--cyan);
}

.hero__profiles a:hover,
.hero__profiles a:focus-visible {
  color: var(--text);
  outline: none;
}

.hero__profiles a:hover::after,
.hero__profiles a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.scroll-cue {
  position: absolute;
  z-index: 10;
  right: clamp(1.25rem, 5vw, 5rem);
  bottom: clamp(1.5rem, 3vw, 2.6rem);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: rgb(215 240 227 / 58%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.61rem;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 1.82rem;
  height: 1.82rem;
  border: 1px solid rgb(67 255 208 / 28%);
  border-radius: 50%;
  box-shadow: inset 0 0 0.8rem rgb(67 255 208 / 6%), 0 0 1rem rgb(67 255 208 / 5%);
}

.scroll-cue i::after {
  position: absolute;
  top: 35%;
  left: 50%;
  width: 0.32rem;
  height: 0.32rem;
  content: "";
  border: solid var(--cyan);
  border-width: 0 1px 1px 0;
  transform: translateX(-50%) rotate(45deg);
}

.chapter-cue {
  z-index: 12;
}

.chapter-cue:hover,
.chapter-cue:focus-visible {
  color: var(--text);
  outline: none;
}

.chapter-cue:hover i,
.chapter-cue:focus-visible i {
  border-color: rgb(67 255 208 / 68%);
  box-shadow: inset 0 0 0.8rem rgb(67 255 208 / 12%), 0 0 1.2rem rgb(67 255 208 / 12%);
}

.chapter-cue--up i::after {
  top: 49%;
  transform: translateX(-50%) rotate(225deg);
}

.about,
.tool-section,
.site-footer {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.about,
.tool-section {
  min-height: 100vh;
  min-height: 100svh;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5rem;
  padding: clamp(7rem, 11vw, 11rem) clamp(1.25rem, 10vw, 10rem);
  background:
    linear-gradient(90deg, rgb(46 255 176 / 4%) 1px, transparent 1px) 0 0 / 5rem 5rem,
    linear-gradient(rgb(46 255 176 / 4%) 1px, transparent 1px) 0 0 / 5rem 5rem,
    radial-gradient(circle at 75% 20%, rgb(18 108 76 / 20%), transparent 30rem),
    var(--background);
}

.about::before,
.tool-section::before,
.site-footer::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, transparent 49.95%, rgb(72 255 197 / 5%) 50%, transparent 50.05%);
}

.section-index {
  position: absolute;
  top: clamp(1.5rem, 3vw, 2.6rem);
  right: clamp(1.25rem, 5vw, 5rem);
  color: rgb(167 204 185 / 42%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.about__content {
  max-width: 72rem;
}

.about h2 {
  max-width: 17ch;
  margin: 1.6rem 0 0;
  font-size: clamp(2.4rem, 5.5vw, 5.6rem);
  font-weight: 570;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.about h2 em,
.site-footer h2 em {
  color: var(--cyan);
  font-style: normal;
}

.about__content > p:not(.eyebrow) {
  max-width: 45rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.75;
}

.about__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2.4rem;
}

.about__links a {
  padding: 0.82rem 1rem;
  border: 1px solid rgb(85 255 197 / 18%);
  background: rgb(6 25 19 / 52%);
  color: rgb(222 246 234 / 72%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.about__links a span {
  margin-right: 0.5rem;
  color: var(--cyan);
}

.about__links a:hover,
.about__links a:focus-visible {
  border-color: rgb(85 255 197 / 64%);
  background: rgb(7 41 30 / 72%);
  color: var(--text);
  outline: none;
}

.about__note {
  margin: 0;
  color: rgb(190 222 207 / 48%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.62rem, 0.8vw, 0.72rem);
  letter-spacing: 0.12em;
  line-height: 2;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.tool-section {
  display: grid;
  grid-template-columns: minmax(20rem, 0.85fr) minmax(26rem, 1.15fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  padding: clamp(7rem, 9vw, 9rem) clamp(1.25rem, 8vw, 8rem);
  border-top: 1px solid rgb(65 255 191 / 8%);
  background:
    radial-gradient(circle at 76% 48%, rgb(16 117 77 / 15%), transparent 31rem),
    linear-gradient(118deg, #020807 0%, #04100d 100%);
}

.tool-section--crawler {
  background:
    radial-gradient(circle at 24% 50%, rgb(20 126 118 / 15%), transparent 29rem),
    linear-gradient(242deg, #020807 0%, #04100d 100%);
}

.tool-section--crawler .tool-section__copy {
  order: 2;
}

.tool-section--crawler .crawler-map {
  order: 1;
}

.tool-section--blood {
  background:
    radial-gradient(circle at 76% 50%, rgb(121 33 20 / 13%), transparent 31rem),
    linear-gradient(118deg, #020807 0%, #0e0b08 100%);
}

.tool-section--proxy {
  background:
    radial-gradient(circle at 75% 48%, rgb(23 97 115 / 18%), transparent 31rem),
    linear-gradient(118deg, #020807 0%, #041014 100%);
}

.tool-section__copy {
  position: relative;
  z-index: 2;
  max-width: 42rem;
}

.tool-section__number {
  position: absolute;
  z-index: -1;
  top: -5.6rem;
  left: -0.06em;
  margin: 0;
  color: rgb(80 255 197 / 4%);
  font-size: clamp(10rem, 22vw, 22rem);
  font-weight: 800;
  letter-spacing: -0.12em;
  line-height: 1;
  pointer-events: none;
}

.tool-section h2 {
  margin: 1.2rem 0 0;
  font-size: clamp(2.8rem, 5.8vw, 6.4rem);
  font-weight: 650;
  letter-spacing: -0.075em;
  line-height: 0.92;
}

.tool-section__tagline {
  margin: 0.75rem 0 0;
  color: transparent;
  font-size: clamp(2rem, 4vw, 4.4rem);
  font-weight: 560;
  letter-spacing: -0.06em;
  line-height: 1;
  -webkit-text-stroke: 1px rgb(202 255 233 / 36%);
}

.tool-section__description {
  max-width: 39rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(0.96rem, 1.2vw, 1.12rem);
  line-height: 1.7;
}

.tool-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.tool-section__tags li {
  padding: 0.42rem 0.65rem;
  border: 1px solid rgb(82 255 195 / 16%);
  color: rgb(181 220 201 / 68%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.project-link::before {
  width: 2rem;
  height: 1px;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 0.7rem var(--cyan);
  transition: width 180ms ease;
}

.project-link span {
  color: var(--cyan);
}

.project-link:hover::before,
.project-link:focus-visible::before {
  width: 3rem;
}

.project-link:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 0.6rem;
}

.tool-section__credit {
  max-width: 28rem;
  margin: 1.4rem 0 0;
  color: rgb(171 199 186 / 43%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  text-transform: uppercase;
}

.tool-terminal,
.crawler-map,
.path-visual,
.proxy-visual {
  position: relative;
  width: min(100%, 46rem);
  min-height: min(34rem, 60vh);
  justify-self: center;
  border: 1px solid rgb(72 255 194 / 18%);
  background: rgb(1 10 8 / 80%);
  box-shadow: 0 2rem 7rem rgb(0 0 0 / 38%), inset 0 0 5rem rgb(46 255 177 / 3%);
}

.tool-terminal::before,
.crawler-map::before,
.path-visual::before,
.proxy-visual::before {
  position: absolute;
  z-index: -1;
  inset: -1px;
  content: "";
  background: radial-gradient(circle at 60% 42%, rgb(61 255 193 / 13%), transparent 58%);
  filter: blur(2rem);
}

.tool-terminal__bar {
  display: flex;
  height: 3rem;
  align-items: center;
  gap: 0.45rem;
  padding: 0 1rem;
  border-bottom: 1px solid rgb(72 255 194 / 13%);
}

.tool-terminal__bar span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: rgb(109 164 138 / 38%);
}

.tool-terminal__bar span:first-child {
  background: var(--cyan);
  box-shadow: 0 0 0.6rem var(--cyan);
}

.tool-terminal__bar b {
  margin-left: auto;
  color: rgb(155 195 176 / 46%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.tool-terminal pre {
  margin: 0;
  padding: clamp(1.4rem, 4vw, 3.2rem);
  color: rgb(190 221 206 / 65%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.68rem, 1.05vw, 0.88rem);
  line-height: 2.35;
  white-space: pre-wrap;
}

.tool-terminal code i {
  color: var(--cyan);
  font-style: normal;
}

.tool-terminal code b {
  color: #effff7;
  font-weight: 500;
}

.tool-terminal code em {
  color: var(--green);
  font-style: normal;
}

.tool-terminal code strong {
  color: var(--gold);
  font-weight: 500;
}

.crawler-map,
.path-visual {
  display: grid;
  place-items: center;
  padding: clamp(1.3rem, 3vw, 2.4rem);
}

.crawler-map__scope,
.crawler-map__legend,
.path-visual > p {
  position: absolute;
  right: 1.3rem;
  left: 1.3rem;
  display: flex;
  justify-content: space-between;
  color: rgb(160 200 181 / 48%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.crawler-map__scope {
  top: 1.3rem;
}

.crawler-map__scope span,
.crawler-map__legend span:last-child {
  color: var(--cyan);
}

.crawler-map__legend {
  bottom: 1.3rem;
}

.crawler-map svg,
.path-visual svg {
  width: 100%;
  overflow: visible;
}

.crawler-map__paths,
.path-visual__links {
  fill: none;
  stroke: rgb(70 255 202 / 28%);
  stroke-width: 1.2;
}

.crawler-map__paths path {
  stroke-dasharray: 5 9;
  animation: map-flow 8s linear infinite;
}

.crawler-map__paths path:nth-child(even) {
  animation-duration: 11s;
  animation-direction: reverse;
}

.crawler-map__nodes circle {
  fill: #061b15;
  stroke: var(--cyan);
  stroke-width: 1.4;
  filter: drop-shadow(0 0 8px rgb(67 255 208 / 55%));
  animation: map-node 4.7s ease-in-out infinite;
}

.crawler-map__nodes circle:nth-child(3n) { animation-delay: -2.2s; }
.crawler-map__nodes circle:nth-child(2n) { animation-delay: -3.4s; }

.path-visual {
  border-color: rgb(255 91 61 / 14%);
  background: rgb(10 5 4 / 76%);
}

.path-visual::before {
  background: radial-gradient(circle at 66% 40%, rgb(255 73 44 / 12%), transparent 58%);
}

.path-visual__links {
  stroke: rgb(255 111 72 / 36%);
  stroke-dasharray: 8 8;
  animation: map-flow 9s linear infinite;
}

.path-visual__nodes circle {
  fill: #100907;
  stroke: rgb(255 116 82 / 72%);
  stroke-width: 1.3;
}

.path-visual__nodes text {
  fill: rgb(255 213 199 / 70%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  text-anchor: middle;
}

.path-visual__target circle {
  fill: rgb(78 18 10 / 52%);
  stroke: #ff5b3e;
  filter: drop-shadow(0 0 12px rgb(255 70 43 / 55%));
  animation: target-pulse 3.8s ease-in-out infinite;
}

.path-visual > p {
  bottom: 1.3rem;
  margin: 0;
}

.path-visual > p strong {
  color: #ff9a7f;
  font-weight: 500;
}

.proxy-visual {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  width: min(100%, 46rem);
  min-height: min(34rem, 60vh);
  justify-self: center;
  border: 1px solid rgb(62 215 255 / 18%);
  background: rgb(1 9 12 / 84%);
  box-shadow: 0 2rem 7rem rgb(0 0 0 / 38%), inset 0 0 5rem rgb(49 196 255 / 3%);
}

.proxy-visual::before {
  position: absolute;
  z-index: -1;
  inset: -1px;
  content: "";
  background: radial-gradient(circle at 63% 44%, rgb(52 218 255 / 12%), transparent 58%);
  filter: blur(2rem);
}

.proxy-visual__header,
.proxy-visual__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid rgb(62 215 255 / 12%);
  color: rgb(166 204 213 / 50%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proxy-visual__header > span:first-child {
  color: #dffaff;
}

.proxy-visual__header b {
  color: #49e7ff;
  font-weight: 500;
  text-shadow: 0 0 0.7rem rgb(73 231 255 / 60%);
}

.proxy-visual__flow {
  display: grid;
  align-content: center;
  gap: 0.55rem;
  padding: clamp(1.3rem, 3vw, 2.4rem);
}

.proxy-visual__flow div {
  position: relative;
  display: grid;
  grid-template-columns: 2.3rem 1fr auto;
  align-items: center;
  gap: 0.8rem;
  min-height: 3.25rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgb(62 215 255 / 10%);
  background: rgb(9 33 39 / 28%);
  color: rgb(180 214 220 / 58%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.61rem;
}

.proxy-visual__flow div::before {
  position: absolute;
  top: 50%;
  bottom: -0.65rem;
  left: 2.02rem;
  width: 1px;
  content: "";
  background: rgb(62 215 255 / 18%);
}

.proxy-visual__flow div:last-child::before {
  display: none;
}

.proxy-visual__flow span {
  color: #49e7ff;
}

.proxy-visual__flow b {
  color: rgb(229 248 251 / 78%);
  font-weight: 450;
}

.proxy-visual__flow i {
  color: rgb(73 231 255 / 52%);
  font-style: normal;
}

.proxy-visual__flow div:nth-child(4) {
  border-color: rgb(73 231 255 / 26%);
  box-shadow: inset 0 0 1.4rem rgb(73 231 255 / 4%);
}

.proxy-visual__code {
  margin: 0 clamp(1.3rem, 3vw, 2.4rem) 1rem;
  border: 1px solid rgb(62 215 255 / 10%);
  background: rgb(0 5 7 / 64%);
}

.proxy-visual__code > span {
  display: block;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgb(62 215 255 / 9%);
  color: rgb(150 194 204 / 42%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

.proxy-visual__code pre {
  margin: 0;
  overflow: auto;
  padding: 0.9rem;
  color: rgb(196 222 227 / 64%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.58rem, 0.9vw, 0.72rem);
  line-height: 1.8;
}

.proxy-visual__code i {
  color: #49e7ff;
  font-style: normal;
}

.proxy-visual__code b {
  color: var(--gold);
  font-weight: 500;
}

.proxy-visual__status {
  border-top: 1px solid rgb(62 215 255 / 12%);
  border-bottom: 0;
}

.proxy-visual__status span:first-child {
  color: #49e7ff;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  min-height: 75vh;
  align-items: center;
  padding: clamp(6rem, 10vw, 10rem) clamp(1.25rem, 8vw, 8rem);
  border-top: 1px solid rgb(65 255 191 / 8%);
  background: radial-gradient(circle at 50% 100%, rgb(18 101 72 / 16%), transparent 34rem), #020807;
}

.site-footer h2 {
  margin: 1.3rem 0 0;
  font-size: clamp(3rem, 7vw, 7.5rem);
  font-weight: 590;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

.site-footer__links {
  display: grid;
  min-width: min(25rem, 100%);
}

.site-footer__links a {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgb(79 255 194 / 15%);
  color: rgb(218 244 231 / 66%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, padding-left 180ms ease;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  padding-left: 0.5rem;
  color: var(--cyan);
  outline: none;
}

.site-footer__legal {
  position: absolute;
  right: clamp(1.25rem, 8vw, 8rem);
  bottom: 2rem;
  left: clamp(1.25rem, 8vw, 8rem);
  margin: 0;
  color: rgb(160 195 178 / 40%);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.54rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

@keyframes data-flow {
  to { stroke-dashoffset: 0; }
}

@keyframes core-glow {
  0%, 100% { opacity: 0.72; transform: scale(0.98); }
  52% { opacity: 1; transform: scale(1.065); }
}

@keyframes energy-ring {
  0% { opacity: 0; transform: scale(0.66); }
  18% { opacity: 0.72; }
  74%, 100% { opacity: 0; transform: scale(1.42); }
}

@keyframes core-response {
  0%, 61%, 100% { opacity: 0.35; transform: scale(0.95); }
  66% { opacity: 0.92; transform: scale(1.12); }
  73% { opacity: 0.48; transform: scale(1.02); }
}

@keyframes core-spark {
  0%, 64%, 100% { opacity: 0; transform: scale(0.4); }
  68% { opacity: 1; transform: scale(1.3); }
  76% { opacity: 0; transform: translate(0.45rem, -0.3rem) scale(0.3); }
}

@keyframes eye-pulse {
  0%, 100% { opacity: 0.74; transform: translate(-50%, -50%) scale(0.96); }
  48% { opacity: 0.96; transform: translate(-50%, -50%) scale(1.035); }
}

@keyframes eye-spark {
  0%, 74%, 100% { opacity: 0.28; transform: scale(0.72); }
  77% { opacity: 0.96; transform: scale(1.35); }
  82% { opacity: 0.38; transform: scale(0.85); }
}

@keyframes beaver-breath {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.0045); filter: brightness(1.015); }
}

@keyframes hud-breathe {
  0%, 100% { opacity: 0.28; }
  48% { opacity: 0.58; }
}

@keyframes hud-scan {
  from { transform: translateY(0); }
  to { transform: translateY(650%); }
}

@keyframes agent-terminal {
  0%, 100% { opacity: 0.35; transform: translate(-50%, -50%) scale(0.94); }
  44% { opacity: 0.68; transform: translate(-50%, -50%) scale(1.04); }
  49% { opacity: 0.47; }
  54% { opacity: 0.7; }
}

@keyframes node-think {
  0%, 100% { opacity: 0.36; transform: translate(-50%, -50%) scale(0.72); }
  50% { opacity: 0.88; transform: translate(-50%, -50%) scale(1.12); }
}

@keyframes signal-pulse {
  0%, 100% { opacity: 0.48; transform: scale(0.84); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes map-flow {
  to { stroke-dashoffset: -68; }
}

@keyframes map-node {
  0%, 100% { opacity: 0.48; }
  50% { opacity: 1; }
}

@keyframes target-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@media (max-width: 64rem) {
  .hero__scrim {
    background:
      linear-gradient(90deg, rgb(2 8 7 / 88%) 0%, rgb(2 8 7 / 57%) 30%, transparent 66%),
      linear-gradient(180deg, rgb(1 7 6 / 48%) 0%, transparent 20%, transparent 60%, rgb(1 7 6 / 68%) 100%);
  }

  .hero__content {
    justify-content: flex-end;
  }

  .hud-effect--threat,
  .network-node--two,
  .network-node--four {
    display: none;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about__note {
    display: none;
  }

  .tool-section {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 3.5rem;
  }

  .tool-section__copy {
    max-width: 46rem;
  }

  .tool-section--crawler .tool-section__copy,
  .tool-section--crawler .crawler-map {
    order: initial;
  }

  .tool-terminal,
  .crawler-map,
  .path-visual,
  .proxy-visual {
    width: 100%;
    min-height: 26rem;
  }
}

@media (max-width: 47.99rem) {
  .site-header {
    padding: 1.15rem 1rem;
    padding-left: var(--rail-left);
  }

  .brand__name {
    font-size: 0.65rem;
    letter-spacing: 0.09em;
  }

  .brand__mark {
    width: 1.55rem;
    height: 1.55rem;
  }

  .system-state {
    font-size: 0.55rem;
  }

  .system-state__node,
  .system-state__divider {
    display: none;
  }

  .hero__scene {
    left: 54%;
  }

  .hero__scrim {
    background:
      linear-gradient(180deg, rgb(1 7 6 / 42%) 0%, transparent 27%, transparent 44%, rgb(1 7 6 / 78%) 72%, rgb(1 7 6 / 97%) 100%),
      radial-gradient(circle at 69% 29%, transparent 0 18%, rgb(1 7 6 / 16%) 58%, rgb(1 7 6 / 48%) 100%);
  }

  .hero__scrim::after {
    margin-inline: 1rem;
  }

  .hero__content {
    justify-content: flex-end;
    padding: 6rem 1.2rem 5.8rem 4rem;
  }

  .hero h1 {
    max-width: 9.5ch;
    font-size: clamp(3rem, 14.7vw, 4.25rem);
  }

  .hero__cta {
    min-height: 3.2rem;
    margin-top: 1.4rem;
  }

  .hero__profiles {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.8rem 1.4rem;
    margin-top: 1.65rem;
  }

  .hero__profiles a {
    font-size: 0.56rem;
  }

  .scroll-cue {
    right: 1.2rem;
    bottom: 1.25rem;
  }

  .scroll-cue span {
    display: none;
  }

  .hud-effect,
  .data-pulse--secondary,
  .network-node,
  .agent-glow--one,
  .agent-glow--four,
  .agent-glow--five {
    display: none;
  }

  .system-core {
    width: 15.5%;
  }

  .about,
  .tool-section,
  .site-footer {
    padding-right: 1.2rem;
    padding-left: 4rem;
  }

  .chapter-marker {
    gap: 0.55rem;
    font-size: 0.54rem;
    letter-spacing: 0.1em;
  }

  .about {
    min-height: 100svh;
  }

  .about h2 {
    font-size: clamp(2.7rem, 12vw, 4.4rem);
  }

  .about__links {
    display: grid;
  }

  .tool-section {
    min-height: auto;
    padding-top: 7rem;
    padding-bottom: 7rem;
  }

  .tool-section h2 {
    font-size: clamp(2rem, 8.8vw, 4.6rem);
  }

  .tool-section__tagline {
    font-size: clamp(2rem, 10vw, 3.4rem);
  }

  .tool-section__number {
    top: -3.4rem;
    font-size: 11rem;
  }

  .tool-terminal,
  .crawler-map,
  .path-visual,
  .proxy-visual {
    min-height: 22rem;
  }

  .tool-terminal pre {
    font-size: 0.61rem;
    line-height: 2;
  }

  .crawler-map__scope {
    overflow: hidden;
    white-space: nowrap;
  }

  .path-visual > p {
    gap: 1rem;
    line-height: 1.5;
  }

  .proxy-visual__flow {
    padding-inline: 0.8rem;
  }

  .proxy-visual__flow div {
    grid-template-columns: 1.7rem 1fr;
    gap: 0.45rem;
    padding-inline: 0.65rem;
    font-size: 0.56rem;
  }

  .proxy-visual__flow div::before {
    left: 1.46rem;
  }

  .proxy-visual__flow i {
    display: none;
  }

  .proxy-visual__code {
    margin-inline: 0.8rem;
  }

  .proxy-visual__code pre {
    font-size: 0.52rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
    min-height: 100svh;
    align-content: center;
  }

  .site-footer__links {
    min-width: 0;
  }

  .site-footer__legal {
    right: 1.2rem;
    left: 4rem;
    line-height: 1.6;
  }
}

@media (max-height: 46rem) and (min-width: 48rem) {
  .hero__content {
    justify-content: flex-end;
    padding-top: 5.8rem;
    padding-bottom: 3.5rem;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 7vw, 5.5rem);
  }

  .hero__cta {
    margin-top: 1.35rem;
  }

  .hero__profiles {
    margin-top: 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .system-state__signal,
  .hero__artwork--breath,
  .data-pulse,
  .hud-effect,
  .hud-effect::after,
  .agent-glow,
  .network-node,
  .eye-core,
  .eye-core__spark,
  .system-core__aura,
  .system-core__ring,
  .system-core__response,
  .system-core__spark,
  .crawler-map__paths path,
  .crawler-map__nodes circle,
  .path-visual__links,
  .path-visual__target circle {
    animation: none;
  }

  .hero__artwork--breath {
    opacity: 0;
  }

  .data-pulse {
    opacity: 0.3;
    stroke-dasharray: 0.006 0.994;
    stroke-dashoffset: 0.46;
  }

  .system-core__ring {
    opacity: 0.28;
    transform: scale(1.08);
  }
}

@supports not ((mask-image: linear-gradient(#000, transparent))) {
  .hero__artwork--breath {
    display: none;
  }
}