/* ==========================================================================
   NOETIC — home page
   ========================================================================== */

/* ---- Hero --------------------------------------------------------------- */
/* The track is tall; the .pin child sticks for its duration, giving the
   particle field a long runway to morph through four formations. */
.hero { height: 360svh; }
@media (max-width: 62rem) { .hero { height: 300svh; } }

.hero__pin { align-content: center; }

.hero__inner {
  display: grid;
  justify-items: start;
  gap: var(--s-5);
  padding-top: 4rem;
}

.hero__kicker { margin: 0; }

.hero__title {
  font-size: var(--t-4xl);
  font-weight: 640;
  line-height: 0.88;
  letter-spacing: -0.045em;
  margin-block: var(--s-2) var(--s-4);
  /* The per-line rule in components.css re-applies this to each moving line. */
  background-image: linear-gradient(178deg, #fff 12%, #cfd8ff 46%, #8f7dff 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  font-size: var(--t-md);
  color: var(--tx-mid);
  max-width: 46ch;
}
.hero__lede strong { color: var(--tx-hi); font-weight: 600; }

/* .hero__actions lives in components.css — every page uses it. */

/* Morph-state readout, bottom-left of the pinned hero */
.hero__readout {
  margin-top: clamp(2rem, 7vh, 4.5rem);
  width: min(100%, 34rem);
  display: grid;
  gap: var(--s-3);
}
.readout__bar {
  height: 1px;
  background: color-mix(in oklab, var(--tx-lo) 24%, transparent);
  position: relative;
}
.readout__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--grad-signal);
  box-shadow: 0 0 10px var(--cy-500);
}
.readout__stages {
  display: flex;
  justify-content: space-between;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tx-dim);
}
.readout__stages li {
  display: flex;
  gap: var(--s-2);
  align-items: baseline;
  transition: color var(--d-med) var(--e-swift);
}
.readout__stages b { color: currentColor; font-weight: 500; opacity: 0.55; }
.readout__stages li.is-on { color: var(--cy-400); }

.hero__scrollcue {
  position: absolute;
  bottom: var(--s-6);
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--tx-dim);
}
.hero__scrollcue i {
  width: 1px; height: 3rem;
  background: linear-gradient(180deg, var(--cy-500), transparent);
  transform-origin: 50% 0;
  animation: cue 2.2s var(--e-in-out) infinite;
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(3rem); opacity: 0; }
}

/* ---- Statement ---------------------------------------------------------- */
.statement {
  font-size: var(--t-xl);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: var(--tr-snug);
  color: var(--tx-hi);
  max-width: 30ch;
  margin-bottom: var(--s-6);
}

/* ---- Horizontal capability track ---------------------------------------- */
.track-section { --track-h: 330svh; height: var(--track-h); position: relative; }
.track-pin {
  position: sticky;
  top: 0;
  height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-content: center;
  gap: var(--s-5);
  padding-block: var(--s-7);
  overflow: hidden;
}
.track-head h2 { max-width: 20ch; }
.track-head .eyebrow { margin-bottom: var(--s-3); }

.track { overflow: hidden; display: flex; align-items: center; }
.track__rail {
  display: flex;
  gap: var(--s-5);
  padding-inline: var(--gutter);
  will-change: transform;
}

.cap {
  flex: none;
  width: min(80vw, 25rem);
  display: grid;
  align-content: start;
  gap: var(--s-3);
  padding: var(--s-6);
  min-height: 24rem;
  transition: transform 0.5s var(--e-out), opacity 0.5s var(--e-out),
              border-color var(--d-med) var(--e-swift);
}
/* horizontal.js writes --near (0..1) per card: 1 = dead centre of viewport. */
.cap {
  transform: scale(calc(0.9 + 0.1 * var(--near, 1))) translateY(calc((1 - var(--near, 1)) * 1.4rem));
  opacity: calc(0.42 + 0.58 * var(--near, 1));
}
.cap h3 { margin-block: var(--s-2) 0; }
.cap p { font-size: var(--t-sm); }

/* Per-card mini visualisations, pure CSS */
.cap__viz { margin-top: auto; padding-top: var(--s-5); }

.cap__viz--steps { display: grid; gap: 7px; }
.cap__viz--steps i {
  height: 2px;
  border-radius: 2px;
  background: var(--grad-signal);
  transform-origin: 0 50%;
  animation: step-draw 3.4s var(--e-out) infinite;
}
.cap__viz--steps i:nth-child(1) { width: 92%; animation-delay: 0s; }
.cap__viz--steps i:nth-child(2) { width: 64%; animation-delay: 0.18s; }
.cap__viz--steps i:nth-child(3) { width: 81%; animation-delay: 0.36s; }
.cap__viz--steps i:nth-child(4) { width: 48%; animation-delay: 0.54s; }
.cap__viz--steps i:nth-child(5) { width: 71%; animation-delay: 0.72s; }
@keyframes step-draw {
  0%, 100% { transform: scaleX(0.15); opacity: 0.35; }
  40%, 70% { transform: scaleX(1); opacity: 1; }
}

.cap__viz--grid {
  height: 5.5rem;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(0deg, var(--line) 1px, transparent 1px);
  background-size: 12.5% 25%;
  position: relative;
  overflow: hidden;
}
.cap__viz--grid::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(2rem 2rem at 22% 30%, color-mix(in oklab, var(--cy-500) 65%, transparent), transparent 70%),
    radial-gradient(2.4rem 2.4rem at 68% 72%, color-mix(in oklab, var(--vi-500) 60%, transparent), transparent 70%),
    radial-gradient(1.6rem 1.6rem at 86% 22%, color-mix(in oklab, var(--mg-500) 55%, transparent), transparent 70%);
  animation: drift 7s var(--e-in-out) infinite;
}

.cap__viz--bars { display: flex; align-items: flex-end; gap: 5px; height: 5.5rem; }
.cap__viz--bars i {
  flex: 1;
  height: var(--h);
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--cy-500), color-mix(in oklab, var(--vi-500) 60%, transparent));
  transform-origin: 50% 100%;
  animation: bar-breathe 3s var(--e-in-out) infinite alternate;
}
.cap__viz--bars i:nth-child(2n) { animation-delay: -0.6s; }
.cap__viz--bars i:nth-child(3n) { animation-delay: -1.2s; }
@keyframes bar-breathe { to { transform: scaleY(0.55); } }

.cap__viz--rings { display: flex; gap: var(--s-4); height: 5.5rem; align-items: center; }
.cap__viz--rings i {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  border: 1px solid color-mix(in oklab, var(--cy-500) 55%, transparent);
  animation: ring-out 2.8s var(--e-out) infinite;
}
.cap__viz--rings i:nth-child(2) { animation-delay: 0.4s; }
.cap__viz--rings i:nth-child(3) { animation-delay: 0.8s; }
@keyframes ring-out {
  0%   { transform: scale(0.55); opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: scale(1.15); opacity: 0; }
}

.cap__viz--pulse { height: 5.5rem; display: grid; place-items: center; }
.cap__viz--pulse i {
  width: 0.75rem; height: 0.75rem;
  border-radius: 50%;
  background: var(--cy-500);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--cy-500) 60%, transparent);
  animation: pulse 2s var(--e-out) infinite;
}

.track-foot { width: 100%; }
.track-bar {
  height: 1px;
  background: color-mix(in oklab, var(--tx-lo) 20%, transparent);
  position: relative;
}
.track-bar i {
  position: absolute; inset: 0 auto 0 0;
  width: 0%;
  background: var(--grad-signal);
}

/* Small screens: the horizontal rail becomes a normal swipeable row. */
@media (max-width: 48rem) {
  .track-section { height: auto; }
  .track-pin { position: static; height: auto; }
  .track { overflow-x: auto; scroll-snap-type: x mandatory; }
  .track__rail { transform: none !important; }
  .cap { scroll-snap-align: center; opacity: 1; transform: none; }
  .track-foot { display: none; }
}

/* ---- Numbers ------------------------------------------------------------ */
.numbers { row-gap: var(--s-7); }

/* ---- Mini meters inside model teaser cards ------------------------------ */
.mini-meters { margin-top: var(--s-5); display: grid; gap: var(--s-1); }
.mini-meters .meter { grid-template-columns: 6rem 1fr auto; }

/* .paper-list and .cta live in components.css — shared with research.html
   and every page's closing section. */