:root {
  
  --void:    #05070A;   
  --signal:  #46D6C8;   
  --depth:   #5EA0F0;   
  --gate:    #E2A33C;   
  --slate:   #6F8194;   
  --mist:    #9AA6B4;   
  --ice:     #E8EDF3;   
  --dissent: #D98C6F;   

  --panel:   #0A0F16;
  --line:    #1E2A38;

  --font: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system,
          BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "Cascadia Mono", ui-monospace, SFMono-Regular,
          Menlo, Consolas, monospace;

  --wrap: 1248px;                          
  --gutter: clamp(20px, 5vw, 96px);        
  --space-section: clamp(64px, 9vw, 128px);
  --radius: 10px;
  --tap: 44px;

  --text-body: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --text-lede: clamp(1.0625rem, 1rem + 0.45vw, 1.3125rem);
  --text-h3: clamp(1.25rem, 1.15rem + 0.45vw, 1.5rem);
  --text-h2: clamp(1.875rem, 1.45rem + 2vw, 3.25rem);
  --text-display: clamp(2.375rem, 1.6rem + 3.6vw, 4.5rem);
  --text-label: 0.75rem;
}

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

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

body {
  margin: 0;
  background: var(--void);
  color: var(--ice);
  font-family: var(--font);
  font-size: var(--text-body);
  line-height: 1.6;
  overflow-x: clip;             
}

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

h1, h2, h3, p, ol, ul, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }

a { color: var(--signal); text-underline-offset: 0.2em; }
a:hover { color: var(--ice); }

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  padding: 12px 16px; min-height: var(--tap);
  background: var(--signal); color: var(--void);
  font-weight: 600; text-decoration: none; border-radius: 6px;
}
.skip-link:focus { top: 16px; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.narrow { max-width: calc(820px + 2 * var(--gutter)); }

.eyebrow, .step-state, .control-state, .caption, figcaption, .board-seats li, .board-chair {
  font-family: var(--mono);
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow { color: var(--signal); margin-bottom: 16px; }
.eyebrow-gate { color: var(--gate); }

.display {
  font-size: var(--text-display);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 16ch;
}
.h2 {
  font-size: var(--text-h2);
  font-weight: 300;
  line-height: 1.1;
  max-width: 22ch;
  margin-bottom: 20px;
}
.h3 { font-size: var(--text-h3); font-weight: 600; line-height: 1.2; margin-bottom: 8px; }

.lede { font-size: var(--text-lede); color: var(--mist); max-width: 58ch; margin-top: 20px; }
.lede-strong { color: var(--ice); }
p { max-width: 68ch; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--tap); padding: 10px 22px;
  border-radius: 4px;
  font-family: var(--font); font-size: 0.9375rem; font-weight: 600;
  letter-spacing: 0.04em; text-decoration: none; text-align: center;
}
.button-primary { background: var(--signal); color: var(--void); }
.button-primary:hover { background: var(--ice); color: var(--void); }
.button-quiet { border: 1px solid var(--slate); color: var(--ice); }
.button-quiet:hover { border-color: var(--ice); color: var(--ice); }
.button-large { min-height: 56px; padding-inline: 32px; font-size: 1rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 7, 10, 0.94);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 8px 24px; min-height: 72px;
  flex-wrap: wrap; padding-block: 8px;   
}

.wordmark {
  display: inline-flex; align-items: center; min-height: var(--tap);
  color: var(--ice); text-decoration: none;
}
.wordmark-text { font-size: 1rem; font-weight: 600; letter-spacing: 0.42em; margin-right: -0.42em; }

.nav-desktop { margin-left: auto; }
.nav-desktop ul { display: flex; gap: 8px; }
.nav-desktop a {
  display: inline-flex; align-items: center; min-height: var(--tap); padding: 0 12px;
  color: var(--mist); text-decoration: none; font-size: 0.9375rem;
}
.nav-desktop a:hover { color: var(--ice); }

.nav-mobile { display: none; margin-left: auto; position: relative; }
.nav-mobile summary {
  display: inline-flex; align-items: center; min-height: var(--tap); padding: 0 16px;
  border: 1px solid var(--slate); border-radius: 999px;
  color: var(--ice); cursor: pointer; list-style: none; font-size: 0.9375rem;
}
.nav-mobile summary::-webkit-details-marker { display: none; }
.nav-mobile[open] summary { border-color: var(--ice); }
.nav-mobile nav {
  position: absolute; right: 0; top: calc(100% + 8px);
  width: min(88vw, 320px);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px;
}
.nav-mobile li a:not(.button) {
  display: flex; align-items: center; min-height: 48px; padding: 0 12px;
  color: var(--ice); text-decoration: none;
}
.nav-mobile li .button { width: 100%; margin-top: 8px; }

.section { padding-block: var(--space-section); border-top: 1px solid var(--line); }
.hero { border-top: 0; padding-top: clamp(48px, 7vw, 112px); }
.section-panel { background: var(--panel); }
.section-cta { text-align: left; }

.split { display: grid; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (min-width: 834px) {
  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
  
  .split:not(:has(> figure, > .board)) { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 834px) and (max-width: 1023px) {
  .split-control { grid-template-columns: minmax(0, 1fr); }
}
.split-text > p + p:not(.lede):not(.actions) { margin-top: 16px; }

.split-text { max-width: 860px; }
.control-steps, .session-steps { max-width: 72ch; }

.media { margin: 0; }
.media img {
  width: 100%;
  background: var(--panel);        
  color: var(--mist);              
  font-size: 0.875rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.media img { position: relative; }
.media img::after {
  content: attr(alt);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 24px; text-align: center;
  background: var(--panel); color: var(--mist);
  font: 0.875rem/1.5 var(--font);
  border-radius: inherit;
}
.media-signal img {
  box-shadow: 0 0 0 1px rgba(70, 214, 200, 0.08),
              0 32px 80px -48px rgba(70, 214, 200, 0.40);
}
.media-gate img {
  box-shadow: 0 0 0 1px rgba(226, 163, 60, 0.08),
              0 32px 80px -48px rgba(226, 163, 60, 0.45);
}
.media-16x9 img { aspect-ratio: 16 / 9; object-fit: cover; }

.media-board { width: 100%; max-width: 430px; margin-inline: auto; }
.media-board img { aspect-ratio: 430 / 950; object-fit: cover; }

.seat-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px;
  margin-top: 24px; max-width: 520px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.seat-list li {
  background: var(--void); color: var(--ice); padding: 12px 14px; min-height: 48px;
  display: flex; align-items: center;
  font-family: var(--mono); font-size: var(--text-label); letter-spacing: 0.14em; text-transform: uppercase;
}
.seat-list li::before {
  content: ""; flex: none; width: 8px; height: 8px; margin-right: 10px; border-radius: 50%; background: var(--depth);
}
.seat-list li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.board-result {
  margin-top: 24px; padding: 18px 20px; max-width: 620px;
  border: 1px solid var(--line); border-left: 3px solid var(--depth); border-radius: var(--radius);
  background: var(--void);
}
.board-result p + p { margin-top: 10px; }
.board-result-label { font-family: var(--mono); font-size: var(--text-label); letter-spacing: 0.16em; color: var(--depth); margin-bottom: 10px; }

.media-control { width: 100%; max-width: 360px; margin-inline: auto; }
.media-control img { aspect-ratio: 720 / 1558; object-fit: cover; }
.media figcaption, .caption { color: var(--slate); margin-top: 12px; }
.media-small figcaption { color: var(--mist); margin-top: 8px; }

.state-strip {
  display: grid; gap: 16px; margin-top: clamp(32px, 4vw, 56px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 1024px) { .state-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.steps {
  display: grid; gap: 1px; margin-top: clamp(32px, 4vw, 56px);
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 834px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.step { background: var(--void); padding: clamp(24px, 3vw, 36px); }
.step p:last-child { color: var(--mist); }
.step-state { color: var(--signal); margin-bottom: 20px; }
.state-gate { color: var(--gate); }

.board { position: relative; }
.board-seats {
  display: grid; gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.board-seats li {
  background: var(--panel); color: var(--ice);
  padding: 16px; min-height: 56px; display: flex; align-items: center;
}
.board-seats li::before {
  content: ""; flex: none; width: 10px; height: 10px; margin-right: 12px;
  border-radius: 50%; background: var(--depth);
}
.board-seats li:last-child:nth-child(odd) { grid-column: 1 / -1; }   
.board-chair { display: none; }

@media (min-width: 1024px) {
  .board {
    container-type: inline-size;
    width: min(100%, 560px); aspect-ratio: 1; margin-inline: auto;
  }
  .board::before {                      
    content: ""; position: absolute; inset: 14%;
    border: 1px dotted rgba(94, 160, 240, 0.55); border-radius: 50%;
  }
  .board-seats { display: block; background: none; border: 0; overflow: visible; }
  .board-seats li {
    --angle: calc(var(--i) * (360deg / 7) - 90deg);
    position: absolute; left: 50%; top: 50%;
    min-height: 0; padding: 6px 10px;
    background: var(--void); border: 1px solid var(--line); border-radius: 999px;
    white-space: nowrap;
    transform: translate(-50%, -50%)
               rotate(var(--angle)) translate(36cqi) rotate(calc(-1 * var(--angle)));
  }
  .board-seats li::before { width: 8px; height: 8px; margin-right: 8px; }
  .board-chair {
    display: flex; align-items: center; justify-content: center;
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    width: 22cqi; aspect-ratio: 1; border-radius: 50%;
    border: 1px solid var(--depth); color: var(--ice);
  }
}

.control-steps { margin-top: 28px; border-top: 1px solid var(--line); }
.control-steps li {
  display: grid; gap: 6px; padding: 14px 0; border-bottom: 1px solid var(--line);
}
@media (min-width: 600px) {
  .control-steps li { grid-template-columns: 190px minmax(0, 1fr); gap: 16px; align-items: baseline; }
}
.control-state { color: var(--signal); }
.note { margin-top: 20px; color: var(--mist); }

.session-steps { margin-top: 28px; display: grid; gap: 12px; }
.session-steps li { display: flex; gap: 16px; align-items: baseline; font-size: var(--text-lede); }
.session-n { font-family: var(--mono); font-size: var(--text-label); color: var(--signal); letter-spacing: 0.16em; }

.site-footer { border-top: 1px solid var(--line); padding-block: 40px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; justify-content: space-between; }
.footer-mark { font-weight: 600; letter-spacing: 0.42em; }
.footer-legal { color: var(--mist); font-size: 0.875rem; }

.notfound { min-height: 60vh; display: grid; align-content: center; gap: 24px; }

@media (max-width: 833px) {
  .nav-desktop, .header-cta { display: none; }
  .nav-mobile { display: block; }
  .actions .button { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

@media (forced-colors: active) {
  .button, .nav-mobile summary, .board-seats li, .media img { border: 1px solid CanvasText; }
  .board-seats li::before { forced-color-adjust: none; background: CanvasText; }
}

@media print {
  .site-header, .skip-link, .actions { display: none; }
  body { background: #fff; color: #000; }
}