/* Brain Supercharger — Zygon Mind Research Laboratory
   Tokens carried over from the Academy gateway so the two read as one product. */

:root {
  --night:  #0b0918;
  --deep:   #15112e;
  --well:   #1a1440;
  --violet: #8b7cf0;
  --lilac:  #bcb0ff;
  --amber:  #6d5ce0;
  --cream:  #eaf4ff;
  --ink:    #e9e6fb;
  --mut:    #9490c0;
  --line:   rgba(169,156,255,.16);
  --line-2: rgba(169,156,255,.30);

  --disp: 'Cormorant Garamond', Georgia, serif;
  --body: 'Mulish', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'Azeret Mono', ui-monospace, 'SF Mono', monospace;

  --wrap: 1140px;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--lilac); text-decoration-thickness: 1px; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--lilac); outline-offset: 3px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---- type ---------------------------------------------------------------- */

h1, h2, h3 { font-family: var(--disp); font-weight: 400; color: var(--cream); margin: 0 0 .4em; line-height: 1.08; }
h1 { font-size: clamp(2.9rem, 7vw, 5.2rem); letter-spacing: -.02em; }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.35rem; }
h1 em, h2 em { font-style: italic; color: var(--lilac); }
p { margin: 0 0 1.1em; }

.eyebrow {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0 0 1.1rem;
}

.lede { font-size: clamp(1.125rem, 2vw, 1.3125rem); color: var(--ink); max-width: 34em; }
.mut { color: var(--mut); }
.spec {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut);
}

/* ---- layout -------------------------------------------------------------- */

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }
.band { padding: clamp(4rem, 9vw, 7.5rem) 0; }
.band--deep { background: var(--deep); }
.band--tight { padding: clamp(2.75rem, 5vw, 4rem) 0; }
.band--hair { border-top: 1px solid var(--line); }
.center { text-align: center; }
.center .lede, .center .eyebrow { margin-inline: auto; }
.stack > * + * { margin-top: 1.6rem; }

.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.duo--lean { grid-template-columns: 1.15fr .85fr; }
.duo--flip > :first-child { order: 2; }

/* ---- buttons ------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--body); font-size: .9375rem; font-weight: 700;
  letter-spacing: .01em; line-height: 1;
  padding: 1.05rem 1.7rem; border: 0; border-radius: 999px;
  background: linear-gradient(135deg, var(--violet), var(--amber));
  color: #0b0918; text-decoration: none; cursor: pointer;
  transition: filter .18s ease, transform .18s ease;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn--quiet {
  background: none; color: var(--lilac);
  border: 1px solid var(--line-2); font-weight: 600;
}
.btn--quiet:hover { background: rgba(139,124,240,.1); filter: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---- header -------------------------------------------------------------- */

.hdr {
  position: sticky; top: 0; z-index: 90;
  background: rgba(11,9,24,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.hdr__in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 76px; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--cream); }
.brand img { width: 32px; height: 32px; }
.brand b { font-family: var(--disp); font-size: 1.3rem; font-weight: 500; letter-spacing: .01em; }
.brand b i { font-style: italic; color: var(--lilac); }
.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a { font-size: .875rem; color: var(--mut); text-decoration: none; }
.nav a:hover { color: var(--cream); }
.nav .btn { padding: .8rem 1.3rem; font-size: .8125rem; color: #0b0918; }
.burger { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.burger span { display: block; width: 22px; height: 1.5px; background: var(--lilac); margin: 5px 0; transition: transform .2s; }

/* ---- hero ---------------------------------------------------------------- */

.hero { position: relative; padding: clamp(3rem, 6vw, 5rem) 0 clamp(3.5rem, 7vw, 6rem); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -30% 20% auto -10%; height: 70vh;
  background: radial-gradient(closest-side, rgba(139,124,240,.20), transparent 72%);
  pointer-events: none;
}
.hero__in { position: relative; display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { margin-bottom: .35em; }
.hero h1 span { display: block; font-family: var(--mono); font-weight: 500;
  font-size: .6875rem; line-height: 1.6; letter-spacing: .22em; text-transform: uppercase;
  color: var(--violet); margin-bottom: 1.5rem; }
.hero__note { font-family: var(--mono); font-size: .6875rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--mut); margin-top: 1.6rem; }

/* ---- the wheel (signature) ----------------------------------------------- */

.wheel { display: grid; gap: 1.25rem; justify-items: center; }

.wheel__dial {
  position: relative; width: min(100%, 460px); aspect-ratio: 1;
  border-radius: 50%; touch-action: none; cursor: grab;
  background:
    radial-gradient(closest-side, rgba(26,20,64,.95), rgba(11,9,24,.4) 78%, transparent),
    conic-gradient(from 0deg, rgba(139,124,240,.16), rgba(11,9,24,0) 22%, rgba(139,124,240,.16) 50%, rgba(11,9,24,0) 78%, rgba(139,124,240,.16));
  border: 1px solid var(--line);
  display: grid; place-items: center;
}
.wheel__dial:active { cursor: grabbing; }
.wheel__dial::after {
  content: ""; position: absolute; inset: 12%;
  border: 1px solid var(--line); border-radius: 50%;
}

/* the tick that marks the selected position, at 12 o'clock */
.wheel__mark {
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--lilac); box-shadow: 0 0 16px 3px rgba(188,176,255,.6);
}

.wheel__ring { position: absolute; inset: 0; transition: transform .55s cubic-bezier(.22,.8,.3,1); }
.wheel__ring.is-dragging { transition: none; }

.wheel__tick {
  position: absolute; top: 50%; left: 50%; width: 2px; height: 47%; margin-left: -1px;
  transform-origin: 50% 0; border-radius: 2px;
  background: linear-gradient(to bottom, transparent 0 88%, var(--line-2) 88% 100%);
  transition: background .3s ease;
}
.wheel__tick.is-on {
  background: linear-gradient(to bottom, transparent 0 80%, var(--lilac) 80% 100%);
}

.wheel__face { position: absolute; inset: 22%; display: grid; place-items: center; text-align: center; padding: .5rem; }
.wheel__num { font-family: var(--mono); font-size: .625rem; letter-spacing: .2em; color: var(--mut); }
.wheel__title { font-family: var(--disp); font-size: clamp(1.5rem, 3.6vw, 2.1rem); line-height: 1.05; color: var(--cream); margin: .5rem 0 .55rem; }
.wheel__desc { font-size: .875rem; color: var(--mut); line-height: 1.5; margin: 0; }
.wheel__face > div { animation: liftin .4s ease both; }
@keyframes liftin { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.wheel__controls { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; justify-content: center; }
.wheel__btn {
  background: none; border: 1px solid var(--line-2); color: var(--lilac);
  border-radius: 999px; width: 40px; height: 40px; font-size: 1rem; cursor: pointer;
  display: grid; place-items: center; transition: background .18s ease;
}
.wheel__btn:hover { background: rgba(139,124,240,.12); }
.wheel__btn--wide { width: auto; padding: 0 1.15rem; font-family: var(--mono);
  font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; }
.wheel__hint { font-family: var(--mono); font-size: .625rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut); text-align: center; }

/* the full list, for keyboard, search engines and anyone who'd rather scan */
.titles { border-top: 1px solid var(--line); margin-top: 2.5rem; }
.titles__row {
  display: grid; grid-template-columns: 3.25rem 1fr; gap: 1.25rem;
  padding: 1.15rem 0; border-bottom: 1px solid var(--line); align-items: baseline;
}
.titles__n { font-family: var(--mono); font-size: .75rem; color: var(--violet); }
.titles__row b { font-family: var(--disp); font-size: 1.3rem; font-weight: 500; color: var(--cream); display: block; }
.titles__row span { font-size: .9375rem; color: var(--mut); }

/* ---- cards --------------------------------------------------------------- */

.card {
  background: var(--well); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.1rem);
}
.card h3 { margin-bottom: .5rem; }
.card p:last-child { margin-bottom: 0; }
.grid { display: grid; gap: 1.1rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.figure { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.figure img { width: 100%; height: auto; }
.figure figcaption { font-family: var(--mono); font-size: .625rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut); padding: .85rem 1rem; background: var(--well); }

/* portrait */
.portrait { display: flex; align-items: center; gap: 1rem; margin: 1.5rem 0 1.75rem; }
.portrait img { width: 72px; height: 72px; object-fit: cover; object-position: 50% 35%; border-radius: 50%; border: 1px solid var(--line-2); }
.portrait b { font-family: var(--disp); font-size: 1.2rem; font-weight: 500; color: var(--cream); display: block; }

/* ---- safety -------------------------------------------------------------- */

.safety { border: 1px solid var(--line-2); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.25rem); background: rgba(26,20,64,.5); }
.safety ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; }
.safety li { padding-left: 1.5rem; position: relative; font-size: .96875rem; color: var(--mut); }
.safety li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px;
  border-radius: 50%; background: var(--violet); }
.safety li b { color: var(--cream); font-weight: 700; display: block; }

/* ---- quotes -------------------------------------------------------------- */

.quote { border-left: 2px solid var(--violet); padding-left: 1.5rem; }
.quote p { font-family: var(--disp); font-size: clamp(1.25rem, 2.4vw, 1.65rem); line-height: 1.35; color: var(--cream); font-style: italic; }
.quote cite { font-family: var(--mono); font-size: .6875rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut); font-style: normal; }

/* ---- prose columns ------------------------------------------------------- */

.cols { columns: 2; column-gap: clamp(2rem, 4vw, 3.5rem); color: var(--mut); font-size: .96875rem; }
.cols p { break-inside: avoid; }

/* ---- coach section (Zaia voice widget) ----------------------------------- */

.coach { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }

/* Collapses if the widget renders as a floating button instead of inline,
   so an unused container never leaves a gap. */
.zaia:empty { display: none; }
.zaia { margin-bottom: 1.25rem; }

.zaia__note p { font-size: .9375rem; }
.zaia__note .spec { margin-bottom: .75rem; }

/* ---- included ------------------------------------------------------------ */

.included { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.included > div { background: var(--deep); padding: 1.6rem 1.4rem; }
.included b { font-family: var(--disp); font-size: 2.1rem; font-weight: 500; color: var(--lilac); display: block; line-height: 1; }
.included span { font-size: .875rem; color: var(--mut); display: block; margin-top: .5rem; }

/* ---- faq ----------------------------------------------------------------- */

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.35rem 2.5rem 1.35rem 0; position: relative;
  font-family: var(--disp); font-size: 1.3rem; color: var(--cream);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: .35rem; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); color: var(--violet); font-size: 1.1rem;
}
.faq details[open] summary::after { content: "\2013"; }
.faq__body { padding: 0 0 1.5rem; color: var(--mut); max-width: 62ch; }
.faq__body p:last-child { margin-bottom: 0; }

/* ---- closing ------------------------------------------------------------- */

.closer { position: relative; overflow: hidden; text-align: center; }
.closer__bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: .55; filter: saturate(.55) hue-rotate(-15deg);
}
/* scrim: pull the art back toward the page so the type stays the loudest thing */
.closer::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(55% 65% at 50% 50%, rgba(11,9,24,.55), rgba(11,9,24,.7) 75%),
    linear-gradient(180deg, var(--night), rgba(11,9,24,.1) 35% 65%, var(--night));
}
.closer .wrap { position: relative; z-index: 1; }

/* ---- footer -------------------------------------------------------------- */

.ftr { background: var(--deep); border-top: 1px solid var(--line); padding: clamp(3rem, 6vw, 4.5rem) 0 2rem; font-size: .9375rem; }
.ftr__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.ftr h4 { font-family: var(--mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--violet); margin: 0 0 1rem; font-weight: 500; }
.ftr ul { list-style: none; margin: 0; padding: 0; }
.ftr li { margin-bottom: .6rem; }
.ftr a { color: var(--mut); text-decoration: none; }
.ftr a:hover { color: var(--cream); }
.ftr__mission { color: var(--mut); max-width: 34ch; }
.ftr__base { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.75rem;
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .06em; color: var(--mut); line-height: 1.9; }

/* ---- responsive ---------------------------------------------------------- */

@media (max-width: 940px) {
  .hero__in, .duo, .duo--lean, .coach { grid-template-columns: 1fr; }
  .duo--flip > :first-child { order: 0; }
  .cols { columns: 1; }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .grid--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--deep); border-bottom: 1px solid var(--line);
    padding: .5rem clamp(1.25rem, 4vw, 2.5rem) 1.25rem;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .95rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: .9rem; justify-content: center; }
  .burger { display: block; }
  .hdr__in { position: relative; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .ftr__grid { grid-template-columns: 1fr; }
  .titles__row { grid-template-columns: 2.25rem 1fr; gap: .85rem; }
}

/* ---- video facade (hero) -------------------------------------------------- */

.vfacade {
  margin: 0; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--well);
}
.vfacade__btn {
  display: block; position: relative; width: 100%; padding: 0;
  border: 0; background: none; cursor: pointer; line-height: 0;
}
.vfacade__btn img { width: 100%; height: auto; transition: transform .5s ease, opacity .3s ease; }
.vfacade__btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,9,24,.15), rgba(11,9,24,.55));
  transition: background .3s ease;
}
.vfacade__btn:hover img { transform: scale(1.03); }
.vfacade__btn:hover::after { background: linear-gradient(180deg, rgba(11,9,24,.05), rgba(11,9,24,.42)); }

.vfacade__play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  z-index: 2; width: 76px; height: 76px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--amber));
  box-shadow: 0 0 0 1px rgba(188,176,255,.35), 0 0 44px 6px rgba(139,124,240,.4);
  display: grid; place-items: center;
  transition: transform .25s ease;
}
/* the triangle, drawn rather than glyphed so it optically centres */
.vfacade__play::before {
  content: ""; display: block; margin-left: 5px;
  border-style: solid; border-width: 12px 0 12px 19px;
  border-color: transparent transparent transparent #0b0918;
}
.vfacade__btn:hover .vfacade__play { transform: translate(-50%,-50%) scale(1.07); }

.vfacade figcaption {
  font-family: var(--mono); font-size: .625rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--mut);
  padding: .9rem 1.1rem; background: var(--well); line-height: 1.5;
}
.vfacade__video { display: block; width: 100%; height: auto; background: #000; }
.vfacade__fail { font-size: .875rem; color: var(--mut); padding: .9rem 1.1rem; margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .vfacade__btn:hover img { transform: none; }
  .vfacade__btn:hover .vfacade__play { transform: translate(-50%,-50%); }
}

/* ---- dial beside the list ------------------------------------------------- */

.dialwrap {
  display: grid; grid-template-columns: minmax(280px, .8fr) 1.2fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: start; margin-top: 2.5rem;
}
.dialwrap__dial { position: sticky; top: 108px; }
.dialwrap .titles { margin-top: 0; }
.dialwrap .wheel__dial { width: min(100%, 380px); }

@media (max-width: 940px) {
  .dialwrap { grid-template-columns: 1fr; }
  .dialwrap__dial { position: static; }
}


/* ---- soundtrack diagrams -------------------------------------------------- */

.trackfig { width: 100%; height: auto; margin: .35rem 0 1.35rem; display: block; }
.tf-wave { fill: none; stroke-width: 2; stroke-linecap: round; }
.tf-dot circle { fill: var(--lilac); opacity: .85; }
.tf-bar rect { fill: var(--violet); opacity: .8; }
.tf-arm { fill: none; stroke: var(--line-2); stroke-width: 1.5; }
.tf-lab {
  font-family: var(--mono); font-size: 9px; letter-spacing: .1em;
  text-transform: uppercase; fill: var(--mut);
}
.tf-lab--end { text-anchor: end; }
.tf-lab--on { fill: var(--lilac); }

/* ---- founder cutout ------------------------------------------------------- */

.cutout { margin: 0; position: relative; text-align: center; }
/* the glow sits behind him, so the knockout reads as lit rather than pasted on */
.cutout::before {
  content: ""; position: absolute; z-index: 0;
  left: 50%; top: 42%; transform: translate(-50%,-50%);
  width: 100%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(139,124,240,.34), rgba(139,124,240,.09) 58%, transparent 76%);
  pointer-events: none;
}
.cutout img { position: relative; z-index: 1; width: 100%; height: auto; max-width: 460px; margin-inline: auto; }
.cutout figcaption { position: relative; z-index: 1; margin-top: .5rem; }