:root {
  --bg: #c8cdc6;
  --bg-deep: #aeb5ad;
  --ink: #121510;
  --ink-soft: #3a4138;
  --muted: #5c6558;
  --paper: #e4e7e1;
  --surface: #d6dbd3;
  --signal: #e84e1b;
  --signal-deep: #b33810;
  --acid: #6f9f1a;
  --terminal: #0e130f;
  --terminal-text: #9dce6a;
  --terminal-muted: #4a6b3a;
  --fault: rgba(232, 78, 27, 0.45);
  --font-display: "Syne", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 72rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--signal-deep);
}

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

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 49;
  opacity: 0.03;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.4) 3px
  );
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--pad);
  background: linear-gradient(to bottom, rgba(200, 205, 198, 0.92), rgba(200, 205, 198, 0));
  backdrop-filter: blur(6px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.logo:hover {
  color: var(--ink);
}

.logo-mark {
  width: 0.7rem;
  height: 0.7rem;
  background: var(--signal);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  animation: mark-flicker 4.5s steps(2) infinite;
}

@keyframes mark-flicker {
  0%,
  92%,
  100% {
    opacity: 1;
  }
  94% {
    opacity: 0.2;
  }
  96% {
    opacity: 1;
  }
  98% {
    opacity: 0.35;
  }
}

.nav {
  display: none;
  gap: 1.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav a {
  text-decoration: none;
}

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

.header-cta {
  display: none;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.1rem;
}

.header-cta:hover {
  border-color: var(--signal);
  color: var(--signal-deep);
}

@media (min-width: 760px) {
  .nav,
  .header-cta {
    display: flex;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: calc(5.5rem + env(safe-area-inset-top)) var(--pad) 4rem;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 70% 15%, rgba(232, 78, 27, 0.28), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(111, 159, 26, 0.18), transparent 50%),
    linear-gradient(165deg, #b8c0b6 0%, #c8cdc6 38%, #9aa497 100%);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(18, 21, 16, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 21, 16, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(600px) rotateX(58deg) scale(1.4);
  transform-origin: center top;
  mask-image: linear-gradient(to bottom, black 20%, transparent 85%);
  animation: grid-drift 28s linear infinite;
}

@keyframes grid-drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 0 48px;
  }
}

.hero-glow {
  position: absolute;
  width: 55vmax;
  height: 55vmax;
  right: -15%;
  top: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 78, 27, 0.35), transparent 65%);
  filter: blur(40px);
  animation: glow-breathe 7s ease-in-out infinite;
}

@keyframes glow-breathe {
  0%,
  100% {
    transform: scale(1) translate(0, 0);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.12) translate(-3%, 4%);
    opacity: 1;
  }
}

.hero-fault {
  position: absolute;
  left: 8%;
  top: 18%;
  width: 2px;
  height: 42%;
  background: linear-gradient(to bottom, transparent, var(--fault), transparent);
  transform: rotate(12deg);
  animation: fault-pulse 3.2s ease-in-out infinite;
}

.hero-fault::before,
.hero-fault::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 12vw;
  max-width: 9rem;
  height: 1px;
  background: var(--fault);
}

.hero-fault::before {
  top: 28%;
  transform: translateX(-20%) rotate(-28deg);
}

.hero-fault::after {
  top: 62%;
  transform: translateX(-70%) rotate(18deg);
}

@keyframes fault-pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.9;
  }
}

.hero-content {
  max-width: 42rem;
  animation: rise-in 1s var(--ease) both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.pulse {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 0 rgba(111, 159, 26, 0.55);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(111, 159, 26, 0.55);
  }
  70% {
    box-shadow: 0 0 0 0.55rem rgba(111, 159, 26, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(111, 159, 26, 0);
  }
}

.brand {
  margin: 0 0 0.85rem;
  line-height: 0.9;
}

.brand-main {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.8rem, 14vw, 9.5rem);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--ink);
  text-shadow: 0.12em 0.08em 0 rgba(232, 78, 27, 0.25);
  animation: brand-settle 1.2s var(--ease) both;
}

@keyframes brand-settle {
  from {
    letter-spacing: 0.08em;
    opacity: 0.4;
  }
  to {
    letter-spacing: -0.04em;
    opacity: 1;
  }
}

.tagline {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  font-style: italic;
  line-height: 1.25;
  color: var(--ink);
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease,
    border-color 0.25s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--signal);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  outline: 1px solid var(--ink);
  outline-offset: -1px;
}

.btn-ghost:hover {
  background: rgba(18, 21, 16, 0.06);
  color: var(--ink);
}

/* Sections */
.section {
  padding: clamp(4rem, 10vw, 7rem) var(--pad);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal-deep);
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.section-lede {
  margin: 0 0 2.75rem;
  max-width: 36rem;
  color: var(--ink-soft);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.step {
  position: relative;
  padding-top: 0.25rem;
}

.step-num {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.step h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.step + .step {
  border-top: 1px solid rgba(18, 21, 16, 0.15);
  padding-top: 1.75rem;
}

@media (min-width: 800px) {
  .step + .step {
    border-top: none;
    border-left: 1px solid rgba(18, 21, 16, 0.15);
    padding-top: 0.25rem;
    padding-left: 2rem;
  }
}

/* Mirror */
.section-mirror {
  background:
    linear-gradient(180deg, transparent, rgba(18, 21, 16, 0.04)),
    var(--bg-deep);
}

.mirror-panel {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .mirror-panel {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: stretch;
  }
}

.mirror-copy h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.mirror-copy > p {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
}

.feature-list {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.25rem;
  border-top: 1px solid rgba(18, 21, 16, 0.12);
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--signal);
}

.inline-code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  padding: 0.05em 0.3em;
  background: rgba(18, 21, 16, 0.08);
}

.section-transmit .inline-code {
  background: rgba(228, 231, 225, 0.08);
}

.install-block {
  margin: 0 0 1.25rem;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: var(--terminal);
  color: var(--terminal-text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  border-left: 3px solid var(--acid);
}

.install-block-lg {
  margin-bottom: 1.75rem;
  font-size: clamp(0.72rem, 1.8vw, 0.85rem);
}

.install-features {
  max-width: 36rem;
}

.install-features .inline-code {
  color: var(--ink);
}


.swarm-viz {
  background: var(--terminal);
  color: var(--terminal-text);
  padding: 1.15rem;
  min-height: 22rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.swarm-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terminal-muted);
}

.swarm-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--terminal-text);
}

.swarm-canvas {
  position: relative;
  flex: 1;
  min-height: 12rem;
  background:
    radial-gradient(circle at 50% 50%, rgba(157, 206, 106, 0.08), transparent 55%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 11px,
      rgba(157, 206, 106, 0.05) 12px
    );
  overflow: hidden;
}

.swarm-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--terminal-text);
  transform: translate(-50%, -50%);
  opacity: 0.55;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.swarm-node.is-hot {
  opacity: 1;
  box-shadow: 0 0 10px rgba(157, 206, 106, 0.8);
  transform: translate(-50%, -50%) scale(1.6);
}

.swarm-link {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(157, 206, 106, 0.45), transparent);
  transform-origin: left center;
  opacity: 0;
  pointer-events: none;
}

.swarm-link.is-active {
  animation: link-fire 0.9s ease-out forwards;
}

@keyframes link-fire {
  0% {
    opacity: 0;
    transform: scaleX(0);
  }
  30% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

.swarm-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0;
}

.swarm-stats div {
  border-top: 1px solid rgba(157, 206, 106, 0.2);
  padding-top: 0.55rem;
}

.swarm-stats dt {
  margin: 0 0 0.25rem;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terminal-muted);
}

.swarm-stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--terminal-text);
}

/* Transmit */
.section-transmit {
  background: var(--ink);
  color: var(--paper);
}

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

.section-transmit .section-lede {
  color: rgba(228, 231, 225, 0.72);
}

.transmit-block {
  max-width: 48rem;
}

.terminal {
  margin: 0 0 1.25rem;
  padding: 1.25rem 1.15rem;
  overflow-x: auto;
  background: #070a08;
  color: var(--terminal-text);
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.8vw, 0.85rem);
  line-height: 1.65;
  border-left: 3px solid var(--signal);
}

.terminal code {
  font-family: inherit;
}

.t-muted {
  color: var(--terminal-muted);
}

.t-cmd {
  color: var(--signal);
}

.t-key {
  color: #d6e8a8;
}

.t-val {
  color: #7eb8ff;
}

.transmit-note {
  margin: 0;
  font-size: 0.86rem;
  color: rgba(228, 231, 225, 0.65);
}

/* Credo */
.section-credo {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(232, 78, 27, 0.12), transparent 50%),
    var(--bg);
}

.credo {
  max-width: 40rem;
  text-align: left;
}

.credo blockquote {
  margin: 0;
}

.credo blockquote p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  font-style: italic;
  line-height: 1.3;
  color: var(--ink);
}

.credo-attr {
  margin: 1.25rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Footer */
.site-footer {
  padding: 3rem var(--pad) 2.5rem;
  background: var(--bg-deep);
  border-top: 1px solid rgba(18, 21, 16, 0.12);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.site-footer p {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.footer-disclaimer {
  max-width: 36rem;
  color: var(--muted) !important;
  font-size: 0.72rem !important;
  line-height: 1.5;
}

/* Reduced motion */
@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;
  }
}