:root {
  --black: #0a0a0a;
  --charcoal: #11100d;
  --white: #f5f5f5;
  --cream: #f0ece4;
  --tan: #d4bc94;
  --gray: #8e8e8e;
  --line: rgba(212, 188, 148, 0.2);
  --line-soft: rgba(212, 188, 148, 0.08);
  --panel: rgba(13, 12, 10, 0.78);
  --ease: cubic-bezier(.22, .8, .26, 1);
}

* { box-sizing: border-box; }
html { background: var(--black); color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--black);
  color: var(--white);
  font-family: "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 1000; background: var(--cream); color: var(--black); padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }

.blueprint-field { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.blueprint-field::before {
  content: ""; position: absolute; inset: -15%;
  background:
    radial-gradient(circle at 52% 42%, rgba(212,188,148,.1), transparent 28%),
    radial-gradient(circle at 14% 76%, rgba(212,188,148,.035), transparent 25%),
    linear-gradient(180deg, rgba(15,14,11,.3), rgba(10,10,10,.94));
}
.blueprint-grid {
  position: absolute; inset: 0; opacity: .28;
  background-image:
    linear-gradient(rgba(212,188,148,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,188,148,.045) 1px, transparent 1px),
    linear-gradient(rgba(212,188,148,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,188,148,.018) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(ellipse at center, black 10%, transparent 86%);
}
.blueprint-lines { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .18; }
.blueprint-lines path, .blueprint-lines circle { fill: none; stroke: var(--tan); stroke-width: 1; stroke-dasharray: 5 12; }
.blueprint-lines circle { fill: var(--tan); stroke: none; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 68px; padding: 0 clamp(1rem,3vw,2.5rem);
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, rgba(10,10,10,.96), rgba(10,10,10,.74));
  border-bottom: 1px solid rgba(212,188,148,.1); backdrop-filter: blur(16px);
}
.brand { color: var(--white); text-decoration: none; font-weight: 700; letter-spacing: -.035em; }
.header-meta { display: flex; align-items: center; gap: 1rem; color: var(--gray); font: .66rem "Space Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.quiet-button { border: 1px solid var(--line); background: transparent; padding: .45rem .7rem; cursor: pointer; }
.quiet-button:hover, .quiet-button:focus-visible { border-color: var(--tan); }

main { position: relative; z-index: 1; min-height: 100vh; }
.eyebrow, .panel-kicker, .node-coordinate, .detail-kicker {
  color: var(--tan); font: 700 .67rem "Space Mono", monospace; letter-spacing: .18em; text-transform: uppercase;
}

.intro-screen { min-height: 100vh; display: grid; place-items: center; padding: 7rem 1.5rem 3rem; }
.intro-inner { width: min(1120px, 100%); }
.intro-inner h1 { max-width: 13ch; margin: .8rem 0 1.4rem; font-size: clamp(3rem,7vw,6.6rem); line-height: .94; letter-spacing: -.065em; }
.intro-copy { max-width: 66ch; color: #bbb7af; font-size: clamp(1.05rem,1.7vw,1.25rem); line-height: 1.7; }
.intro-explainer { max-width: 900px; margin-top: 1.6rem; padding: 1rem 1.15rem; border: 1px solid var(--line-soft); background: rgba(212,188,148,.025); }
.intro-explainer p { margin: 0 0 .8rem; color: var(--cream); }
.explainer-items { display: grid; grid-template-columns: repeat(4,1fr); gap: .75rem; color: #8f8b84; font-size: .76rem; line-height: 1.45; }
.explainer-items span { display: flex; align-items: flex-start; gap: .5rem; }
.explainer-items b { color: var(--tan); font: .65rem "Space Mono",monospace; }
.intro-prompt { display: flex; align-items: center; gap: 1rem; margin: 2rem 0 1rem; color: var(--cream); font: .72rem "Space Mono", monospace; text-transform: uppercase; letter-spacing: .12em; }
.prompt-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }
.pathway-choices { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pathway-choice {
  min-height: 190px; display: flex; flex-direction: column; align-items: flex-start; text-align: left;
  padding: 1.5rem; border: 0; background: rgba(10,10,10,.9); cursor: pointer; position: relative; overflow: hidden;
  transition: background .35s, transform .35s;
}
.pathway-choice::after { content: ""; position: absolute; inset: auto -20% -70% 20%; height: 150%; background: radial-gradient(circle, rgba(212,188,148,.14), transparent 66%); opacity: 0; transition: opacity .35s; }
.pathway-choice:hover, .pathway-choice:focus-visible { background: rgba(22,20,16,.96); z-index: 2; }
.pathway-choice:hover::after, .pathway-choice:focus-visible::after { opacity: 1; }
.choice-index { color: var(--tan); font: .68rem "Space Mono", monospace; margin-bottom: auto; }
.pathway-choice strong { font-size: 1.2rem; }
.pathway-choice small { color: var(--gray); margin-top: .5rem; line-height: 1.5; }

.architecture-app {
  min-height: 100vh; padding-top: 68px;
  display: grid; grid-template-columns: minmax(230px, 19vw) minmax(0,1fr) minmax(220px,18vw);
}
.architecture-map, .role-lens {
  position: sticky; top: 68px; height: calc(100vh - 68px); overflow-y: auto;
  padding: 1.6rem clamp(1rem,2vw,1.6rem); background: var(--panel); backdrop-filter: blur(15px);
}
.architecture-map { border-right: 1px solid var(--line-soft); }
.role-lens { border-left: 1px solid var(--line-soft); }
.map-instruction, .lens-note { color: #77736d; font-size: .76rem; line-height: 1.5; }
.map-instruction { margin: .8rem 0 1.4rem; }
.pathway-group { margin-bottom: 1.4rem; }
.pathway-heading { display: flex; justify-content: space-between; color: #aaa59c; font: .64rem "Space Mono", monospace; letter-spacing: .1em; text-transform: uppercase; margin-bottom: .55rem; }
.node-list { display: grid; gap: .2rem; position: relative; }
.node-list::before { content: ""; position: absolute; top: 11px; bottom: 11px; left: 7px; width: 1px; background: var(--line-soft); }
.map-node {
  position: relative; width: 100%; display: grid; grid-template-columns: 16px 1fr; gap: .55rem; align-items: center;
  border: 0; background: transparent; color: #77736d; text-align: left; padding: .38rem 0; cursor: pointer; font-size: .72rem;
}
.map-node::before { content: ""; width: 7px; height: 7px; border: 1px solid #514b41; border-radius: 50%; background: var(--black); z-index: 1; transition: .3s; }
.map-node:hover, .map-node:focus-visible { color: var(--white); }
.map-node[aria-current="true"] { color: var(--white); }
.map-node[aria-current="true"]::before { background: var(--tan); border-color: var(--tan); box-shadow: 0 0 0 5px rgba(212,188,148,.08), 0 0 22px rgba(212,188,148,.42); animation: nodeAlive 3.2s ease-in-out infinite; }
.map-legend { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line-soft); display: grid; gap: .5rem; color: #69655f; font: .6rem "Space Mono",monospace; }
.map-legend span { display: flex; align-items: center; gap: .5rem; }
.legend-line { display: inline-block; width: 28px; border-top: 1px solid var(--tan); opacity: .45; }
.legend-line.dotted { border-top-style: dotted; }

.node-territory {
  min-width: 0; min-height: calc(100vh - 68px); padding: clamp(1.5rem,3vw,3.4rem);
  display: flex; flex-direction: column; position: relative; overflow: hidden; outline: none;
}
.node-territory::before { content: ""; position: absolute; inset: 10% 5%; pointer-events: none; background: radial-gradient(circle at 50% 48%, rgba(212,188,148,.08), transparent 38%); transition: transform .7s var(--ease); }
.node-territory.is-traveling::before { transform: scale(1.16); }
.territory-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; position: relative; z-index: 2; }
.node-coordinate { margin: 0 0 .5rem; }
.territory-header h2 { max-width: 16ch; margin: 0; font-size: clamp(2rem,4vw,4.6rem); line-height: .98; letter-spacing: -.055em; }
.alive-indicator { display: flex; align-items: center; gap: .5rem; color: #8a857d; font: .6rem "Space Mono",monospace; text-transform: uppercase; letter-spacing: .1em; }
.alive-indicator span { width: 7px; height: 7px; border-radius: 50%; background: var(--tan); box-shadow: 0 0 18px rgba(212,188,148,.55); animation: nodeAlive 3.2s ease-in-out infinite; }
.node-framing { max-width: 62ch; color: #aaa69f; line-height: 1.65; position: relative; z-index: 2; }
.node-guide {
  position: relative; z-index: 3; display: flex; align-items: baseline; gap: .8rem;
  margin-top: .25rem; padding: .7rem .85rem; border-left: 2px solid var(--tan); background: rgba(212,188,148,.035);
}
.node-guide strong { color: var(--cream); font-size: .76rem; }
.node-guide span { color: #858079; font-size: .72rem; line-height: 1.45; }

.sphere-field { flex: 1; min-height: 420px; position: relative; z-index: 2; perspective: 900px; }
.sphere {
  position: absolute; width: clamp(126px,14vw,190px); aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(212,188,148,.28);
  background:
    radial-gradient(circle at 34% 27%, rgba(245,245,245,.14), transparent 12%),
    radial-gradient(circle at 38% 35%, rgba(212,188,148,.15), rgba(20,18,14,.9) 48%, rgba(7,7,7,.98) 75%);
  box-shadow: inset -18px -22px 42px rgba(0,0,0,.7), inset 8px 8px 20px rgba(245,245,245,.025), 0 30px 70px rgba(0,0,0,.42), 0 0 40px rgba(212,188,148,.04);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .45rem; text-align: center; padding: 1rem; cursor: pointer;
  animation: float 7s ease-in-out infinite; transition: border-color .3s, box-shadow .3s, transform .3s;
}
.sphere:hover, .sphere:focus-visible, .sphere[aria-expanded="true"] { border-color: rgba(212,188,148,.65); box-shadow: inset -18px -22px 42px rgba(0,0,0,.7), 0 32px 85px rgba(0,0,0,.55), 0 0 52px rgba(212,188,148,.16); }
.sphere-step { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid rgba(212,188,148,.35); border-radius: 50%; color: var(--tan); font: .58rem "Space Mono",monospace; }
.sphere-label { max-width: 12ch; font-weight: 600; font-size: clamp(.78rem,1vw,.94rem); line-height: 1.2; }
.sphere-hint { color: #77736d; font: .57rem "Space Mono",monospace; text-transform: uppercase; letter-spacing: .08em; }
.sphere-prerequisites { left: 5%; top: 7%; animation-delay: -1.2s; }
.sphere-before { left: 15%; bottom: 3%; animation-delay: -4.1s; }
.sphere-signals { right: 7%; top: 3%; animation-delay: -2.7s; }
.sphere-after { right: 15%; bottom: 0; animation-delay: -5.3s; }
.territory-core { position: absolute; left: 50%; top: 51%; transform: translate(-50%,-50%); width: 72px; aspect-ratio: 1; display: grid; place-items: center; }
.core-ring { position: absolute; inset: 0; border: 1px solid rgba(212,188,148,.18); border-radius: 50%; animation: coreBreath 4s ease-in-out infinite; }
.core-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--tan); box-shadow: 0 0 28px rgba(212,188,148,.55); }

.sphere-detail {
  position: absolute; z-index: 10; left: 50%; top: 51%; transform: translate(-50%,-50%);
  width: min(560px, calc(100% - 3rem)); max-height: min(66vh,620px); overflow: auto;
  padding: clamp(1.4rem,3vw,2.3rem); border: 1px solid rgba(212,188,148,.32);
  background: rgba(14,13,11,.97); box-shadow: 0 45px 120px rgba(0,0,0,.8), 0 0 70px rgba(212,188,148,.08); backdrop-filter: blur(24px);
}
.sphere-detail h3 { margin: .45rem 0 1rem; font-size: clamp(1.45rem,3vw,2.2rem); letter-spacing: -.035em; }
.sphere-detail p, .sphere-detail li { color: #bbb7af; line-height: 1.65; }
.sphere-detail ul { padding-left: 1.2rem; }
.detail-close { float: right; border: 0; background: transparent; color: var(--gray); cursor: pointer; font: .64rem "Space Mono",monospace; text-transform: uppercase; }
.node-link { border: 1px solid var(--line); background: rgba(212,188,148,.035); padding: .55rem .7rem; margin: .3rem .35rem .3rem 0; cursor: pointer; text-align: left; }
.node-link:hover, .node-link:focus-visible { border-color: var(--tan); }
.state-quote { color: var(--cream) !important; font-size: 1.08rem; border-left: 2px solid var(--tan); padding-left: 1rem; }

.travel-controls { position: relative; z-index: 3; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; border-top: 1px solid var(--line-soft); padding-top: 1rem; }
.travel-button { border: 1px solid var(--line); background: rgba(10,10,10,.5); padding: .7rem 1rem; cursor: pointer; }
.travel-button:hover, .travel-button:focus-visible { border-color: var(--tan); }
.travel-context { text-align: center; color: #716d67; font: .6rem "Space Mono",monospace; text-transform: uppercase; letter-spacing: .08em; }

.role-lens h2 { margin: .65rem 0 1rem; font-size: 1.35rem; }
.lens-options { display: grid; gap: .45rem; }
.lens-options button { border: 1px solid transparent; background: transparent; text-align: left; color: #77736d; padding: .65rem .7rem; cursor: pointer; font-size: .78rem; }
.lens-options button:hover, .lens-options button:focus-visible { color: var(--white); border-color: var(--line-soft); }
.lens-options button[aria-pressed="true"] { color: var(--white); border-color: var(--line); background: rgba(212,188,148,.05); }
.lens-reading { margin-top: 1.4rem; padding: 1rem; border: 1px solid var(--line-soft); background: rgba(212,188,148,.025); }
.lens-reading p { color: #aaa69f; font-size: .8rem; line-height: 1.55; margin: .7rem 0 0; }
.lens-signal { display: block; width: 32px; height: 1px; background: var(--tan); box-shadow: 0 0 13px rgba(212,188,148,.35); }
.lens-note { margin-top: 1rem; }
.mobile-map-toggle { display: none; }

.end-screen { min-height: 100vh; display: grid; place-items: center; padding: 7rem 1.5rem 3rem; }
.end-inner { width: min(760px,100%); }
.end-inner h2 { font-size: clamp(2.2rem,5vw,4.4rem); line-height: 1; letter-spacing: -.05em; margin: .8rem 0 1rem; }
.end-inner > p { color: #aaa69f; line-height: 1.65; max-width: 60ch; }
form { margin-top: 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
form label { display: grid; gap: .45rem; color: var(--gray); font: .65rem "Space Mono",monospace; text-transform: uppercase; letter-spacing: .08em; }
form label.full, .form-action, .form-status { grid-column: 1 / -1; }
input, textarea { width: 100%; border: 1px solid var(--line); background: rgba(10,10,10,.75); color: var(--white); padding: .85rem; border-radius: 0; resize: vertical; }
input:focus, textarea:focus { outline: 1px solid var(--tan); border-color: var(--tan); }
.form-action { display: flex; align-items: center; gap: 1rem; }
.form-action button { border: 0; background: var(--cream); color: var(--black); font-weight: 700; padding: .9rem 1.2rem; cursor: pointer; }
.form-action span, .form-status { color: #77736d; font-size: .75rem; }
.return-link { margin-top: 1.5rem; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: .4rem 0; cursor: pointer; }

@keyframes float { 0%,100% { transform: translate3d(0,0,0) rotate(-.3deg); } 50% { transform: translate3d(0,-9px,12px) rotate(.5deg); } }
@keyframes nodeAlive { 0%,100% { opacity: .65; transform: scale(.92); } 50% { opacity: 1; transform: scale(1.14); } }
@keyframes coreBreath { 0%,100% { transform: scale(.85); opacity: .4; } 50% { transform: scale(1.18); opacity: .8; } }

@media (max-width: 980px) {
  .architecture-app { grid-template-columns: minmax(210px,28vw) minmax(0,1fr); }
  .architecture-map { grid-row: 1 / span 2; }
  .node-territory { grid-column: 2; }
  .role-lens {
    grid-column: 2; position: relative; inset: auto; width: auto; height: auto; max-height: none;
    border: 0; border-top: 1px solid var(--line-soft); background: rgba(13,12,10,.58); box-shadow: none;
  }
  .lens-options { grid-template-columns: repeat(4,1fr); }
}

@media (max-width: 720px) {
  .header-meta > span { display: none; }
  .intro-screen { padding-top: 6rem; }
  .pathway-choices { grid-template-columns: 1fr; }
  .pathway-choice { min-height: 135px; }
  .explainer-items { grid-template-columns: 1fr 1fr; }
  .architecture-app { display: block; padding: 118px 0 0; }
  .mobile-map-toggle {
    display: flex; position: fixed; z-index: 35; top: 68px; left: 0; right: 0; height: 50px; align-items: center; justify-content: space-between;
    border: 0; border-bottom: 1px solid var(--line-soft); background: rgba(12,11,9,.96); padding: 0 1rem; font: .65rem "Space Mono",monospace; text-transform: uppercase; letter-spacing: .08em;
  }
  .architecture-map {
    position: fixed; z-index: 34; top: 118px; left: 0; width: min(340px,88vw); height: calc(100vh - 118px);
    transform: translateX(-105%); transition: transform .35s var(--ease); box-shadow: 20px 0 70px rgba(0,0,0,.7);
  }
  .architecture-map.is-open { transform: translateX(0); }
  .node-territory { min-height: calc(100vh - 118px); padding: 1.25rem 1rem; }
  .territory-header h2 { font-size: clamp(2rem,11vw,3.3rem); }
  .node-guide { display: grid; gap: .25rem; }
  .alive-indicator { font-size: 0; }
  .sphere-field { min-height: 470px; }
  .sphere { width: clamp(112px,34vw,145px); }
  .sphere-prerequisites { left: 0; top: 6%; }
  .sphere-signals { right: 0; top: 8%; }
  .sphere-before { left: 3%; bottom: 5%; }
  .sphere-after { right: 3%; bottom: 2%; }
  .territory-core { top: 51%; }
  .role-lens {
    position: relative; inset: auto; width: auto; max-height: none; margin: 0 1rem 1.3rem; padding: 1rem; border: 1px solid var(--line-soft);
  }
  .role-lens .panel-kicker, .role-lens h2, .lens-note { display: none; }
  .lens-options { display: flex; overflow-x: auto; padding-bottom: .3rem; }
  .lens-options button { flex: 0 0 auto; white-space: nowrap; }
  .lens-reading { margin-top: .8rem; }
  .travel-context { display: none; }
  .travel-controls { grid-template-columns: 1fr 1fr; }
  form { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .sphere { width: 108px; padding: .65rem; }
  .sphere-step { width: 18px; height: 18px; }
  .sphere-label { font-size: .72rem; }
  .sphere-hint { display: none; }
  .sphere-before { bottom: 8%; }
  .sphere-after { bottom: 4%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .sphere { transform: none !important; }
}