:root {
  --coal: #030605;
  --coal-soft: #07100a;
  --glass: rgba(4, 8, 6, .74);
  --glass-deep: rgba(2, 5, 3, .9);
  --fern: #89efa3;
  --fern-deep: #3f8b57;
  --spore: #edf0e5;
  --soil: #b18c63;
  --coral: #e7796f;
  --muted: #a8b3aa;
  --dim: #718078;
  --hairline: rgba(226, 235, 222, .13);
  --hairline-strong: rgba(226, 235, 222, .22);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --display: "Eczar", serif;
  --body: "IBM Plex Sans", sans-serif;
  --mono: "JetBrains Mono", monospace;
  --arabic: "Noto Naskh Arabic", serif;
  --wrap: 1180px;
  --light-x: 72%;
  --light-y: 55%;
  --orbit-accent: #89efa3;
}

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

html {
  min-width: 320px;
  overflow-x: clip;
  background: var(--coal);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--coal);
  color: var(--spore);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--fern); color: var(--coal); }

.understory-fallback,
#understory-field,
.understory-veil {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.understory-fallback {
  z-index: 0;
  background:
    radial-gradient(ellipse at 82% 16%, rgba(33, 83, 47, .28), transparent 34%),
    radial-gradient(ellipse at 24% 78%, rgba(21, 56, 32, .32), transparent 37%),
    linear-gradient(142deg, #07100a 0%, #020403 52%, #07110b 100%);
}

#understory-field {
  z-index: 1;
  display: block;
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}

.webgl-understory #understory-field { opacity: 1; }

.understory-veil {
  z-index: 2;
  background:
    radial-gradient(circle at var(--light-x) var(--light-y), transparent 0 8%, rgba(1, 3, 2, .08) 24%, rgba(1, 3, 2, .42) 69%, rgba(1, 3, 2, .7) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, .43), transparent 24%, transparent 78%, rgba(0, 0, 0, .34)),
    linear-gradient(180deg, rgba(0, 0, 0, .08), transparent 54%, rgba(0, 0, 0, .34));
}

.understory-veil::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  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='.86' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.nav { z-index: 50; }
.nav-links { z-index: 49; }

.sysmind-hero,
.habitat-story,
.site-footer {
  position: relative;
  z-index: 4;
}

.sysmind-hero {
  min-height: 108vh;
  min-height: 108dvh;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(142px, 17vh, 205px) clamp(24px, 5vw, 64px) 24vh;
}

.hero-copy {
  position: relative;
  grid-column: 1 / span 7;
  max-width: 680px;
  isolation: isolate;
}

.hero-copy::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -22% -28% -22% -18%;
  background: radial-gradient(ellipse at 38% 50%, rgba(2, 5, 3, .98) 0 35%, rgba(2, 5, 3, .78) 55%, transparent 76%);
  filter: blur(5px);
}

.habitat-label,
.inscription-label,
.proof-label,
.cta-meta,
.field-note {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .2em;
}

.habitat-label {
  margin: 0 0 24px;
  color: var(--fern);
  font-size: 9px;
}

.sysmind-hero h1 {
  max-width: 740px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(60px, 7vw, 104px);
  font-weight: 400;
  line-height: .89;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.sysmind-hero h1 em {
  display: inline-block;
  margin-top: .13em;
  color: var(--fern);
  font-style: normal;
  font-weight: 600;
}

.hero-lede {
  max-width: 52ch;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.75;
  text-wrap: pretty;
}

.hero-lede strong,
.clearing-intro strong { color: var(--spore); font-weight: 500; }

.descent-cue {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 42px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline-strong);
  color: var(--spore);
  font: 10px/1.4 var(--mono);
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: color .25s var(--ease), border-color .25s var(--ease), gap .25s var(--ease);
}

.descent-cue::after { content: "↓"; color: var(--fern); font-size: 14px; }
.descent-cue:hover { gap: 20px; border-color: var(--fern); color: var(--fern); }

.field-note {
  position: absolute;
  right: clamp(24px, 5vw, 64px);
  bottom: 11vh;
  max-width: 235px;
  color: rgba(237, 240, 229, .42);
  font-size: 8px;
  line-height: 1.75;
  text-align: right;
}

.field-note::before {
  content: "";
  display: block;
  width: 42px;
  height: 1px;
  margin: 0 0 12px auto;
  background: var(--fern);
  opacity: .6;
}

.habitat-story { padding: 0 clamp(24px, 5vw, 64px); }

.habitat-clearing {
  position: relative;
  max-width: var(--wrap);
  min-height: 94vh;
  min-height: 94dvh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  padding: clamp(105px, 14vh, 170px) 0;
}

.habitat-clearing::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 5% -10%;
  pointer-events: none;
}

.habitat-clearing:nth-of-type(odd)::before {
  background: radial-gradient(ellipse at 23% 50%, rgba(2, 5, 3, .97) 0 28%, rgba(2, 5, 3, .74) 49%, transparent 70%);
}

.habitat-clearing:nth-of-type(even)::before {
  background: radial-gradient(ellipse at 77% 50%, rgba(2, 5, 3, .97) 0 28%, rgba(2, 5, 3, .74) 49%, transparent 70%);
}

.clearing-copy {
  position: relative;
  max-width: 535px;
}

.habitat-clearing:nth-of-type(odd) .clearing-copy {
  grid-column: 1 / span 6;
  justify-self: start;
}

.habitat-clearing:nth-of-type(even) .clearing-copy {
  grid-column: 7 / span 6;
  justify-self: end;
}

.clearing-copy h2,
.habitat-edge h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(43px, 5vw, 78px);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.clearing-copy h2 em,
.habitat-edge h2 em {
  display: block;
  color: var(--fern);
  font-style: normal;
  font-weight: 600;
}

.clearing-intro {
  max-width: 54ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.76;
  text-wrap: pretty;
}

.inscription,
.trust-controls,
.permission-tree,
.local-proof {
  box-shadow: 0 32px 90px -52px rgba(0, 0, 0, .98);
  backdrop-filter: blur(18px);
}

.inscription {
  margin-top: 38px;
  border-block: 1px solid var(--hairline-strong);
  background: linear-gradient(112deg, rgba(8, 17, 11, .91), rgba(2, 6, 4, .7));
}

.language-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  padding: 1px 0;
  background: var(--hairline);
}

.language-controls button {
  flex: 1 1 auto;
  min-width: 68px;
  padding: 10px 12px;
  border: 0;
  background: rgba(3, 7, 4, .94);
  color: var(--dim);
  font: 10px/1.4 var(--mono);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.language-controls button:hover { color: var(--spore); background: #0d1b11; }
.language-controls button[aria-pressed="true"] { color: var(--coal); background: var(--fern); }
.inscription-half { padding: 18px 20px 20px; }
.inscription-half + .inscription-half { border-top: 1px solid var(--hairline); }

.inscription-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 11px;
  color: var(--dim);
  font-size: 8px;
}

.human-answer {
  min-height: 5.4em;
  color: var(--spore);
  font-size: 14px;
  line-height: 1.8;
  transition: opacity .18s var(--ease);
}

.human-answer[dir="rtl"] {
  direction: rtl;
  text-align: right;
  font-family: var(--arabic);
  font-size: 17px;
}

.shell-command {
  color: var(--fern);
  font: 13px/1.7 var(--mono);
  direction: ltr;
  text-align: left;
}

.shell-command::before { content: "$ "; color: var(--dim); }

.shell-constant {
  margin-top: 10px;
  color: var(--dim);
  font: 9px/1.5 var(--mono);
  letter-spacing: .08em;
}

.trust-map {
  position: relative;
  margin-top: 38px;
  padding-left: 28px;
}

.trust-rail {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 1px;
  background: linear-gradient(var(--soil), var(--fern));
}

.trust-marker {
  position: absolute;
  z-index: 2;
  left: 2px;
  top: calc(33.333% + 1px);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--fern);
  box-shadow: 0 0 24px rgba(137, 239, 163, .36);
  transition: top .45s var(--ease);
}

.trust-controls {
  display: grid;
  gap: 1px;
  background: var(--hairline);
}

.trust-controls button {
  display: grid;
  grid-template-columns: 82px 1fr auto;
  gap: 14px;
  align-items: baseline;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: rgba(3, 7, 4, .9);
  color: var(--muted);
  text-align: left;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.trust-controls button:hover { background: #0d1b11; color: var(--spore); }
.trust-controls button[aria-pressed="true"] { background: rgba(137, 239, 163, .08); color: var(--spore); }
.trust-depth { color: var(--soil); font: 9px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.trust-name { font: 400 20px/1.2 var(--display); }
.trust-state { color: var(--dim); font: 9px/1.4 var(--mono); }
.trust-controls button[aria-pressed="true"] .trust-state { color: var(--fern); }

.trust-detail {
  min-height: 7.5em;
  margin-top: 18px;
  padding-left: 16px;
  border-left: 1px solid var(--fern);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.trust-detail strong { color: var(--spore); font-weight: 500; }

.permission-tree {
  margin-top: 38px;
  border-block: 1px solid var(--hairline-strong);
  background: linear-gradient(112deg, rgba(8, 17, 11, .86), rgba(2, 6, 4, .54));
}

.permission-command {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 17px 0;
}

.permission-command + .permission-command { border-top: 1px solid var(--hairline); }
.command-key { font: 13px/1.4 var(--mono); }

.command-key::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--dim);
}

.command-state {
  color: var(--coral);
  font: 9px/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.permission-command.is-approved .command-key { color: var(--fern); }
.permission-command.is-approved .command-key::before { background: var(--fern); }
.permission-command.is-approved .command-state { color: var(--fern); }

.permission-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.specimen-button {
  min-height: 42px;
  padding: 11px 16px;
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font: 9px/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.specimen-button:hover { color: var(--fern); border-color: var(--fern); }
.specimen-button.primary { color: var(--coal); border-color: var(--fern); background: var(--fern); }
.specimen-button.primary:hover { color: var(--fern); background: transparent; }

.permission-result {
  min-height: 6.5em;
  margin-top: 20px;
  color: var(--muted);
  font: 10px/1.75 var(--mono);
}

.permission-result strong { color: var(--fern); font-weight: 500; }

.local-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 38px;
  border: 1px solid var(--hairline);
  background: var(--hairline);
}

.proof-column { padding: 24px 22px; background: rgba(5, 11, 7, .89); }
.proof-label { color: var(--soil); font-size: 9px; line-height: 1.5; }

.proof-column h3 {
  margin: 13px 0 0;
  font: 400 24px/1.1 var(--display);
}

.proof-list {
  display: grid;
  gap: 11px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.proof-list li {
  position: relative;
  padding-left: 17px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.proof-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 5px;
  height: 5px;
  border: 1px solid var(--fern);
  border-radius: 50%;
}

.proof-list.refused li::before { border-color: var(--coral); }

.runtime-line {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  background: var(--coal);
  color: var(--dim);
  font: 9px/1.6 var(--mono);
  letter-spacing: .08em;
}

.runtime-line strong { color: var(--fern); font-weight: 400; }

.habitat-edge {
  position: relative;
  max-width: 840px;
  min-height: 86vh;
  margin: 0 auto;
  padding: clamp(130px, 18vh, 220px) 24px clamp(105px, 14vh, 170px);
  text-align: center;
}

.habitat-edge::before {
  content: "";
  display: block;
  width: min(280px, 45vw);
  height: 1px;
  margin: 0 auto 54px;
  background: linear-gradient(90deg, transparent, rgba(137, 239, 163, .72), transparent);
}

.habitat-edge p {
  max-width: 56ch;
  margin: 26px auto 0;
  color: var(--muted);
  text-wrap: pretty;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 38px;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid var(--hairline-strong);
  color: var(--muted);
  font: 10px/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.cta-link.primary { border-color: var(--fern); background: var(--fern); color: var(--coal); }
.cta-link.primary::after { content: "→"; font-size: 14px; }
.cta-link:hover { border-color: var(--fern); color: var(--fern); }
.cta-link.primary:hover { background: transparent; }
.cta-meta { margin-top: 28px !important; color: var(--dim) !important; font-size: 9px; line-height: 1.9; }

.site-footer {
  padding: 42px 24px 50px;
  border-top: 1px solid var(--hairline);
  color: var(--dim);
  text-align: center;
  font: 9px/1.5 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.site-footer a { transition: color .2s var(--ease); }
.site-footer a:hover { color: var(--fern); }

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}

.motion-ready .reveal.is-visible { opacity: 1; transform: none; }

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

@media (max-width: 900px) {
  .hero-copy { grid-column: 1 / span 9; }
  .habitat-clearing:nth-of-type(odd) .clearing-copy { grid-column: 1 / span 7; }
  .habitat-clearing:nth-of-type(even) .clearing-copy { grid-column: 6 / span 7; }
}

@media (max-width: 700px) {
  .sysmind-hero {
    min-height: 104vh;
    padding: 132px 24px 20vh;
  }

  .hero-copy { grid-column: 1 / -1; max-width: 570px; }
  .hero-copy::before { inset: -15% -8% -18%; }
  .sysmind-hero h1 { font-size: clamp(53px, 15.5vw, 82px); }
  .field-note { display: none; }
  .habitat-story { padding-inline: 24px; }

  .habitat-clearing {
    min-height: auto;
    padding: 112px 0;
  }

  .habitat-clearing::before {
    inset: 2% -20%;
    background: radial-gradient(ellipse at 50% 50%, rgba(2, 5, 3, .97) 0 38%, rgba(2, 5, 3, .76) 63%, transparent 84%) !important;
  }

  .habitat-clearing .clearing-copy,
  .habitat-clearing:nth-of-type(odd) .clearing-copy,
  .habitat-clearing:nth-of-type(even) .clearing-copy {
    grid-column: 1 / -1;
    justify-self: stretch;
    max-width: none;
  }

  .clearing-copy h2 { font-size: clamp(41px, 12vw, 61px); }
  .trust-controls button { grid-template-columns: 68px 1fr; gap: 9px; }
  .trust-state { display: none; }
  .local-proof { grid-template-columns: 1fr; }
  .runtime-line { grid-column: 1; flex-direction: column; gap: 5px; }
  .habitat-edge { padding-left: 0; padding-right: 0; text-align: left; }
  .habitat-edge::before { margin-left: 0; }
  .habitat-edge p { margin-left: 0; }
  .cta-actions { justify-content: flex-start; }
}

@media (max-width: 430px) {
  .sysmind-hero { padding-inline: 19px; }
  .habitat-story { padding-inline: 19px; }
  .sysmind-hero h1 { font-size: clamp(49px, 15vw, 66px); }
  .language-controls button { flex-basis: calc(33.333% - 1px); min-width: 0; padding-inline: 7px; }
  .permission-actions { display: grid; }
  .specimen-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}