/* Quantavane: one dark cinematic world. The film (film.js) draws behind; every word is real HTML above it. */
:root {
  --void: #05080F;
  --deep: #0B1320;
  --paper: #0E1828;
  --panel: rgba(14, 24, 40, 0.62);
  --ink: #E6ECF2;
  --muted: #AAB6C5;
  --soft: #D5DDE7;
  --cobalt: #8A9EFF;
  --verified: #3FC28F;
  --reject: #F07A63;
  --rule: rgba(160, 180, 210, 0.16);
  --display: "Archivo", system-ui, sans-serif;
  --body: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --col: 790px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--void); }
body {
  margin: 0; color: var(--ink);
  background: radial-gradient(120% 80% at 70% 10%, #0E1B33 0%, var(--void) 60%) fixed, var(--void);
  font: 400 1.1875rem/1.7 var(--body);
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }
.mono { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.01em; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 16px; top: 12px; background: var(--deep); padding: 8px 12px; z-index: 20; }

/* The film canvas sits behind everything and never takes clicks. */
#film { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 1.6s ease; }
.film-live #film { opacity: 1; }
main, .foot { position: relative; z-index: 1; }

/* Header */
.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px max(24px, calc((100vw - 1240px) / 2));
  background: linear-gradient(rgba(5, 8, 15, 0.96) 40%, rgba(5, 8, 15, 0));
  padding-bottom: 36px;
}
.wordmark { font: 600 1rem/1 var(--display); font-stretch: 125%; letter-spacing: 0.32em; text-decoration: none; }
.wordmark.small { font-size: 0.8125rem; }
.top nav { display: flex; align-items: center; gap: 30px; font: 500 0.9375rem/1 var(--display); font-stretch: 105%; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--ink); }
.top nav .nav-join { color: var(--void); background: var(--ink); padding: 10px 16px; border-radius: 999px; }
.top nav .nav-join:hover { background: var(--cobalt); color: var(--void); }

/* Chapters */
.chapter { position: relative; min-height: 120vh; display: flex; align-items: center; padding: 18vh 0; }
.chapter.opening { min-height: 100vh; padding-top: 120px; }
.chapter.finale { min-height: 100vh; }
.chapter-inner { position: relative; width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.chapter-inner > * { max-width: var(--col); }
@media (min-width: 900px) { .chapter[data-side="right"] .chapter-inner { padding-left: max(24px, calc(min(100%, 1240px) - var(--col) - 24px)); } }
.chapter.wide .chapter-inner > * { max-width: none; }
#vision .chapter-inner > .manifesto { max-width: 920px; }
#vision .chapter-inner > .big { max-width: 64ch; }

.kicker { color: var(--cobalt); margin: 0 0 20px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em; }
h1, h2, h3 { font-family: var(--display); margin: 0; }
h1 { font-size: clamp(2.6rem, 5vw, 4.5rem); line-height: 1.1; font-weight: 400; font-stretch: 115%; letter-spacing: -0.012em; text-wrap: balance; }
h2 { font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.14; font-weight: 400; font-stretch: 112%; letter-spacing: -0.008em; margin-bottom: 30px; text-wrap: balance; }
h2.manifesto { font-size: clamp(2.2rem, 4.2vw, 3.8rem); line-height: 1.12; font-stretch: 115%; }
h3 { font-size: 1.125rem; line-height: 1.4; font-weight: 600; font-stretch: 105%; letter-spacing: 0.002em; margin-bottom: 6px; text-wrap: balance; }
p, dd, li span, summary { text-wrap: pretty; }
.big { font-size: clamp(1.1875rem, 1.45vw, 1.375rem); line-height: 1.65; color: var(--soft); max-width: 62ch; margin: 0 0 20px; }
.big + :not(.big) { margin-top: 18px; }
.note { color: var(--muted); margin: -8px 0 28px; font-size: 1rem; }
.checker { color: var(--verified); margin-top: 26px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; }

/* Words of each title rise one after another (film.js wraps them) */
.w { display: inline-block; overflow: hidden; vertical-align: top; padding: 0.04em 0 0.2em; margin: -0.04em 0 -0.2em; }
.w > span { display: inline-block; }
.film-on .chapter:not(.titled) .w > span { transform: translateY(105%); }
.film-on .chapter.titled .w > span { transform: none; transition: transform 1.1s var(--ease-out); transition-delay: calc(var(--w) * 55ms); }

/* Blocks arrive with weight once film.js has marked what is already on screen */
.film-on .chapter-inner > :not(.is-shown) { opacity: 0; transform: translateY(28px); }
.film-on .chapter-inner > .is-shown { transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out); }
.film-on .chapter-inner > :focus-within { opacity: 1; transform: none; }

.glass { background: var(--panel); border: 1px solid var(--rule); border-radius: 18px; backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2); }

/* Highlighted phrases: one gradient, used sparingly */
.hl, .hl .w > span { background: linear-gradient(100deg, #A9B8FF 0%, #8A9EFF 35%, #3FC28F 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hl { font-style: normal; }

/* Scroll cue under the opening */
.cue { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); display: grid; justify-items: center; gap: 10px; color: var(--muted); font: 0.6875rem var(--mono); letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; }
.cue i { width: 1px; height: 40px; background: linear-gradient(var(--cobalt), transparent); animation: cue 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); opacity: 1; } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cue i { animation: none; } }
@media (max-width: 900px) { .cue { display: none; } }

/* Opening */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: center; }
.chapter-inner.hero > * { min-width: 0; max-width: none; }
.lede { font-size: clamp(1.1875rem, 1.45vw, 1.375rem); line-height: 1.65; color: var(--soft); max-width: 46ch; margin: 28px 0 36px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; padding: 15px 24px; border-radius: 999px;
  font: 500 1rem/1 var(--display); font-stretch: 105%;
  text-decoration: none; cursor: pointer; border: 1.5px solid var(--ink);
}
.btn-solid { background: var(--ink); color: var(--void); }
.btn-solid:hover { background: var(--cobalt); border-color: var(--cobalt); }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { border-color: var(--cobalt); color: var(--cobalt); }
.status { display: flex; align-items: center; gap: 10px; color: var(--muted); margin: 26px 0 0; font-size: 0.75rem; letter-spacing: 0.04em; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--verified); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(63, 194, 143, 0.6); } 70%, 100% { box-shadow: 0 0 0 10px rgba(63, 194, 143, 0); } }

/* The live demo card */
.loop { margin: 0; padding: 18px; max-width: 500px; justify-self: end; width: 100%; }
@media (max-width: 900px) { .loop { justify-self: stretch; max-width: none; } }
.loop-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; color: var(--muted); }
.loop-head span::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--verified); margin-right: 8px; vertical-align: 1px; }
.loop-toggle { background: none; border: 1px solid var(--rule); border-radius: 999px; padding: 6px 12px; color: var(--ink); cursor: pointer; }
.loop-toggle:hover { border-color: var(--cobalt); }
#packing {
  display: block; width: 100%; max-width: 100%; height: auto; aspect-ratio: 1; border-radius: 10px;
  background:
    linear-gradient(var(--rule) 1px, transparent 1px) 0 0 / 10% 10%,
    linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / 10% 10%,
    rgba(5, 8, 15, 0.7);
}
.loop-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 14px 0 0; }
.loop-stats div { border-top: 1px solid var(--rule); padding-top: 8px; }
.loop-stats dt { color: var(--muted); font-size: 0.6875rem; }
.loop-stats dd { margin: 2px 0 0; font-variant-numeric: tabular-nums; }
.loop-stats .ok { color: var(--verified); }
.loop-stats .bad { color: var(--reject); }
.ledger { list-style: none; margin: 12px 0 0; padding: 0; height: 7.5em; overflow: hidden; color: var(--muted); font-size: 0.75rem; line-height: 1.5; }
.ledger .kept { color: var(--verified); }
.loop figcaption { font-size: 0.875rem; line-height: 1.5; color: var(--muted); margin-top: 12px; }

/* The loop chapter */
.steps { margin: 0; display: grid; gap: 30px; }
.steps dt { font: 600 1.1875rem/1.3 var(--display); font-stretch: 105%; display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.steps dd { margin: 0 0 0 24px; color: var(--muted); font-size: 1.125rem; line-height: 1.65; max-width: 62ch; }
.dot { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.dot-idea { background: #DCE4FF; box-shadow: 0 0 12px #8A9EFF; }
.dot-ring { border: 2px solid var(--cobalt); }
.dot-keep { background: var(--verified); box-shadow: 0 0 12px var(--verified); }

/* Programs */
.programs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.programs article { padding: 30px 30px 32px; border-radius: 18px; }
.programs h3 { margin: 16px 0 10px; }
.programs p:not(.tag) { color: var(--muted); font-size: 1.0625rem; line-height: 1.6; margin: 0; }
.tag { display: inline-block; margin: 0; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--rule); color: var(--muted); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.1em; }
.tag-now { border-color: rgba(63, 194, 143, 0.5); color: var(--verified); }

/* Principles */
.principles { margin: 8px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; }
.principles div { border-top: 1px solid var(--rule); padding: 24px 0; }
.principles dt { font: 400 clamp(1.1875rem, 1.5vw, 1.375rem)/1.55 var(--body); color: var(--soft); }

/* Horizon and roadmap */
.horizon-list, .road { list-style: none; padding: 0; margin: 0; }
.horizon-list li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; border-top: 1px solid var(--rule); }
.road { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; }
.road li { display: block; border-top: 1px solid var(--rule); }
.road .when { display: block; margin-bottom: 8px; }
.horizon-list li { padding: 22px 0; }
.road li { padding: 20px 0 22px; }
.horizon-list .mono, .road .when { color: var(--cobalt); padding-top: 3px; font-size: 0.75rem; letter-spacing: 0.06em; }
.horizon-list p { margin: 0; font-size: 1.125rem; line-height: 1.55; color: var(--soft); }
.road p { margin: 0; color: var(--muted); font-size: 1.0625rem; line-height: 1.6; }
.road + .note { margin-top: 18px; }

/* Every field, our own models, sister companies */
.fields { list-style: none; padding: 0; margin: 12px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 44px; }
.fields li { border-top: 1px solid var(--rule); padding: 18px 0 20px; }
.fields strong, .tiers strong { display: block; font: 600 1.0625rem/1.35 var(--display); font-stretch: 105%; margin-bottom: 6px; }
.fields span, .tiers span { color: var(--muted); font-size: 1.0625rem; line-height: 1.6; display: block; }
.tiers { list-style: none; counter-reset: tier; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.tiers li { counter-increment: tier; display: block; border-top: 1px solid var(--rule); padding: 20px 0 0; }
.tiers li::before { content: counter(tier); display: block; font: 300 2rem/1 var(--display); font-stretch: 115%; color: var(--cobalt); margin-bottom: 14px; }
.family { margin: 8px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; }
.family.cols3 { grid-template-columns: repeat(3, 1fr); gap: 0 32px; }
.family div { display: block; border-top: 1px solid var(--rule); padding: 20px 0 24px; }
.family dt { font: 600 1.125rem/1.4 var(--display); font-stretch: 105%; margin-bottom: 8px; }
.family dd { margin: 0; color: var(--muted); font-size: 1.125rem; line-height: 1.6; }

/* FAQ */
.faq { position: relative; z-index: 1; padding: 14vh 0 12vh; background: linear-gradient(rgba(5, 8, 15, 0), rgba(5, 8, 15, 0.94) 14vh); }
.foot { background: rgba(5, 8, 15, 0.94); }
.faq-inner { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.faq details { border-top: 1px solid var(--rule); }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 24px 44px 24px 0; position: relative; font: 500 1.125rem/1.45 var(--display); font-stretch: 105%; }
.faq summary:hover { color: var(--cobalt); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 300 1.5rem/1 var(--display); color: var(--cobalt); transition: transform 0.3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 26px; color: var(--soft); max-width: 60ch; font-size: 1.125rem; line-height: 1.7; }

/* Join */
.signup { display: grid; gap: 8px; padding: 26px; margin-top: 12px; }
.signup label { font: 500 0.9375rem/1.4 var(--display); font-stretch: 105%; margin-top: 10px; }
.signup .opt { color: var(--muted); font-weight: 400; }
.signup input, .signup select, .signup textarea {
  font: 1rem var(--body); color: var(--ink); background: rgba(5, 8, 15, 0.6);
  border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px; width: 100%;
}
.signup input:focus, .signup select:focus, .signup textarea:focus { border-color: var(--cobalt); outline: none; box-shadow: 0 0 0 3px rgba(138, 158, 255, 0.25); }
.signup .btn { justify-self: start; margin-top: 12px; }
.form-msg { min-height: 1.5em; font-size: 0.9375rem; margin: 0; }
.form-msg.ok { color: var(--verified); }
.form-msg.bad { color: var(--reject); }

/* Chapter rail */
.rail.at-top { opacity: 0; pointer-events: none; }
.rail { transition: opacity 0.5s; }
.rail { position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 9; display: grid; gap: 10px; }
.rail a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; text-decoration: none; color: var(--muted); font: 0.6875rem var(--mono); }
.rail span { opacity: 0; transform: translateX(6px); transition: opacity 0.3s, transform 0.3s; white-space: nowrap; }
.rail i { width: 6px; height: 6px; border-radius: 50%; background: rgba(160, 180, 210, 0.35); transition: background 0.3s, transform 0.3s; }
.rail a:hover span, .rail a:focus-visible span, .rail a[aria-current] span { opacity: 1; transform: none; }
.rail a[aria-current] i { background: var(--cobalt); transform: scale(1.5); }
.rail a[aria-current] { color: var(--ink); }

.foot {
  max-width: 1240px; margin: 0 auto; padding: 32px 24px 48px; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font: 0.8125rem var(--mono); color: var(--muted);
}

/* Readable text over the film: a soft shade on the text's side */
.chapter::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(5, 8, 15, 0.7) 0%, rgba(5, 8, 15, 0.3) 45%, transparent 68%); }
.chapter[data-side="right"]::before { background: linear-gradient(270deg, rgba(5, 8, 15, 0.7) 0%, rgba(5, 8, 15, 0.3) 45%, transparent 68%); }
.chapter[data-side="none"]::before { background: rgba(5, 8, 15, 0.35); }
.chapter.opening::before { display: none; }

@media (prefers-reduced-motion: reduce) {
  .film-on .chapter-inner > *, .film-on .w > span { opacity: 1 !important; transform: none !important; }
  .pulse { animation: none; }
  #film { transition: none; }
}

@media (max-width: 1100px) { .rail { display: none; } }
@media (max-width: 900px) {
  .family.cols3, .tiers { grid-template-columns: 1fr; gap: 0; }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .programs { grid-template-columns: 1fr 1fr; }
  .chapter { min-height: auto; padding: 14vh 0; }
  .chapter::before, .chapter[data-side="right"]::before { background: rgba(5, 8, 15, 0.62); }
}
@media (max-width: 600px) {
  .top { padding: 16px; }
  .wordmark { font-size: 0.875rem; letter-spacing: 0.24em; }
  .top nav a:not(.nav-join) { display: none; }
  .chapter-inner { padding: 0 16px; }
  .chapter.opening { padding-top: 96px; }
  .programs { grid-template-columns: 1fr; }
  .loop-stats { grid-template-columns: repeat(2, 1fr); }
  .horizon-list li { grid-template-columns: 1fr; gap: 4px; }
  .road, .family, .family.cols3, .principles, .tiers { grid-template-columns: 1fr; gap: 0; }
  .tiers li { padding-bottom: 20px; }
  .fields { grid-template-columns: 1fr; }
  .faq-inner { padding: 0 16px; }
  .lede { font-size: 1.1875rem; }
  .foot { padding-left: 16px; padding-right: 16px; }
}