/* Version B · Landing sections (Milestone B3) */

.shead .lead {
  color: var(--color-text-muted);
}
.shead h2 .grad-text {
  display: inline;
}
.section-more {
  margin-top: var(--space-6);
}

/* Small mono file label used in many visuals */
.flabel {
  font: 500 0.7rem/1.2 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

/* =========================================================
   [01] Problem
   ========================================================= */
[data-problem-layout="collage"] .pr-split,
[data-problem-layout="split"] .pr-collage {
  display: none;
}

/* Shared messy items */
.mx {
  background: var(--color-surface);
  border: 1px solid rgba(244, 240, 232, 0.16);
  box-shadow:
    0 18px 36px -12px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 0.75rem;
}
.mx__tilt {
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg))
    rotate(var(--rz, 0deg));
}
.mx-sheet table {
  border-collapse: collapse;
  width: 100%;
  font: 0.78rem/1.35 var(--font-mono);
}
.mx-sheet td {
  padding: 0.2rem 0.4rem;
  border-top: 1px solid var(--color-line);
  white-space: nowrap;
}
.mx-sheet td:last-child {
  text-align: right;
  color: var(--color-text-muted);
}
.mx-sheet .sw {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-right: 0.4rem;
  vertical-align: -1px;
}
.mx-sheet .q {
  color: var(--color-flare);
}
.mx-contrast {
  display: grid;
  justify-items: start;
  gap: 0.25rem;
  background: #c9ccc2;
  color: #a7b6b8;
}
.mx-contrast b {
  font: 500 2.4rem/1 var(--font-display);
}
.mx-contrast small {
  font: 0.75rem/1 var(--font-mono);
  color: #6e7f82;
}
.mx-contrast .fail {
  font: 700 0.72rem/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: #d9364a;
  padding: 0.3rem 0.45rem;
}
.mx-contrast .flabel {
  color: #4a5b5e;
}
.mx-fonts {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
}
.mx-fonts s {
  color: var(--color-text-faint);
}
.mx-ruler {
  font: 0.8rem/1 var(--font-mono);
  color: var(--color-flare);
  background: var(--color-void);
  border-style: dashed;
  border-color: var(--color-flare);
}
.mx-sticky {
  background: #ffe38a;
  color: #1d282b;
  font: 700 0.95rem/1.3 var(--font-body);
  padding: 1rem;
  border: 0;
}
.mx-photo {
  padding: 0.45rem 0.45rem 0.35rem;
  background: #f4f0e8;
  border: 0;
}
.mx-photo svg {
  width: 100%;
  aspect-ratio: 1;
  display: block;
}
.mx-photo figcaption {
  font: 0.66rem/1.4 var(--font-mono);
  color: #3a4d52;
  margin-top: 0.3rem;
}
.mx-shot {
  padding: 0;
  overflow: hidden;
}
.mx-shot__bar {
  display: flex;
  gap: 0.3rem;
  align-items: center;
  padding: 0.4rem 0.55rem;
  border-bottom: 1px solid var(--color-line);
}
.mx-shot__bar i {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--color-line-strong);
}
.mx-shot__bar .flabel {
  margin-left: 0.4rem;
}
.mx-shot__body {
  padding: 0.6rem;
  display: grid;
  gap: 0.4rem;
}
.mx-shot__body b {
  height: 0.9rem;
  width: 70%;
  background: #e07bff;
}
.mx-shot__body i {
  height: 0.4rem;
  background: var(--color-line-strong);
}
.mx-shot__body i.s {
  width: 55%;
}
.mx-shot__body span {
  justify-self: start;
  padding: 0.3rem 0.6rem;
  font: 700 0.6rem/1 var(--font-body);
  background: #ff9e64;
  color: #0b1012;
}
.mx-hex {
  font: 500 0.82rem/1 var(--font-mono);
  color: var(--color-text-muted);
  padding: 0.35rem 0.5rem;
  background: rgba(11, 16, 18, 0.8);
  border: 1px solid var(--color-line-strong);
  white-space: nowrap;
}

/* Option 1: Collage */
.pr-collage {
  position: relative;
  container-type: inline-size;
  background: var(--pattern-grid), var(--color-void);
  border: 1px solid var(--color-line-strong);
  overflow: hidden;
}
.pr-collage__in {
  position: relative;
  height: clamp(30rem, 24rem + 14vw, 40rem);
}
.pr-collage .mx {
  position: absolute;
}
.pr-collage .p-sheet {
  left: 3%;
  top: 8%;
  width: 30%;
  --rz: -4deg;
  --ry: 14deg;
}
.pr-collage .p-contrast {
  left: 36%;
  top: 6%;
  width: 14%;
  --rz: 6deg;
  --rx: 10deg;
}
.pr-collage .p-photoA {
  left: 53%;
  top: 10%;
  width: 14%;
  --rz: -8deg;
}
.pr-collage .p-photoB {
  left: 69%;
  top: 4%;
  width: 13%;
  --rz: 5deg;
}
.pr-collage .p-photoC {
  left: 84%;
  top: 14%;
  width: 13%;
  --rz: -3deg;
}
.pr-collage .p-shot {
  left: 60%;
  top: 46%;
  width: 24%;
  --rz: 3deg;
  --ry: -16deg;
}
.pr-collage .p-fonts {
  left: 6%;
  top: 60%;
  width: 20%;
  --rz: 5deg;
}
.pr-collage .p-ruler {
  left: 30%;
  top: 52%;
  --rz: -6deg;
}
.pr-collage .p-sticky {
  left: 33%;
  top: 64%;
  width: 20%;
  --rz: -5deg;
  --rx: 8deg;
}
.pr-collage .p-hex1 {
  left: 86%;
  top: 62%;
  --rz: 8deg;
}
.pr-collage .p-hex2 {
  left: 22%;
  top: 44%;
  --rz: -10deg;
}
.pr-collage .p-hex3 {
  left: 64%;
  top: 86%;
  --rz: 4deg;
}
.pr-collage .p-deco {
  right: 3%;
  bottom: 6%;
  width: 9%;
}
@container (max-width: 44rem) {
  .pr-collage__in {
    height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    padding: 1.5rem 1rem;
  }
  .pr-collage .mx {
    position: static;
    width: auto !important;
  }
  .pr-collage .p-sheet,
  .pr-collage .p-shot {
    grid-column: 1 / -1;
  }
  .pr-collage .p-hex1,
  .pr-collage .p-hex2,
  .pr-collage .p-hex3 {
    justify-self: start;
  }
  .pr-collage .p-deco {
    display: none;
  }
}

/* Option 2: Before / after */
.pr-split {
  display: grid;
  gap: var(--bento-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 52rem) {
  .pr-split {
    grid-template-columns: 1fr 1fr;
  }
}
.pr-split .tile {
  min-height: 28rem;
}
.pr-before {
  background: var(--pattern-grid), var(--color-void);
}
.pr-before__mess {
  position: relative;
  flex: 1;
  min-height: 16rem;
}
.pr-before__mess .mx {
  position: absolute;
}
.pr-before .b-sheet {
  left: 0;
  top: 2%;
  width: 58%;
  --rz: -4deg;
}
.pr-before .b-contrast {
  right: 4%;
  top: 0;
  width: 30%;
  --rz: 7deg;
}
.pr-before .b-fonts {
  left: 6%;
  top: 56%;
  width: 44%;
  --rz: 4deg;
}
.pr-before .b-sticky {
  right: 2%;
  top: 46%;
  width: 42%;
  --rz: -6deg;
}
.pr-pains {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font: 0.82rem/1.4 var(--font-mono);
  color: var(--color-text-muted);
}
.pr-pains li::before {
  content: "× ";
  color: var(--color-danger);
}
.pr-after__sys {
  display: grid;
  gap: 0.9rem;
  flex: 1;
  align-content: start;
}
.pr-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.75rem;
  align-items: center;
  font: 0.8rem/1.3 var(--font-mono);
  color: var(--color-text-muted);
}
.pr-row .ramp {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 3px;
}
.pr-row .ramp i {
  height: 1.4rem;
}
.pr-row b {
  color: var(--color-text);
  font-weight: 500;
}
.pr-row .ok {
  color: var(--color-ion);
}
.pr-gains {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font: 0.82rem/1.4 var(--font-mono);
  color: var(--color-text);
}
.pr-gains li::before {
  content: "✓ ";
  color: var(--color-ion);
}

/* =========================================================
   [02] How it works (pinned on desktop)
   ========================================================= */
.how {
  background: var(--color-bg-raised);
  border-block: 1px solid var(--color-line);
}
.how .shead {
  margin-bottom: var(--space-6);
}
.how__grid {
  display: grid;
  gap: var(--bento-gap);
}
@media (min-width: 60rem) {
  .how__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }
}
.how__steps {
  display: grid;
  gap: var(--bento-gap);
  align-content: start;
}
.how__step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) var(--space-5);
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  border-radius: 0;
  transition:
    background var(--dur-base),
    border-color var(--dur-base),
    color var(--dur-base);
}
.how__step:hover {
  border-color: var(--color-outline);
}
.how__step[aria-selected="true"] {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--step, var(--color-pulsar));
  box-shadow: inset 4px 0 0 var(--step, var(--color-pulsar));
}
.how__num {
  font: 500 2.4rem/0.9 var(--font-display);
  letter-spacing: -0.05em;
  color: var(--color-text-faint);
}
.how__step[aria-selected="true"] .how__num {
  color: var(--step, var(--color-pulsar));
}
.how__title {
  display: block;
  font: 500 var(--text-lg)/1.2 var(--font-display);
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.how__desc {
  display: block;
  font-size: var(--text-sm);
}
.how__progress {
  height: 2px;
  background: var(--color-line);
  margin-top: var(--space-2);
}
.how__progress i {
  display: block;
  height: 100%;
  width: 25%;
  background: var(--grad-horizon);
  transition: width var(--dur-slow) var(--ease-out);
}

.how__stage {
  position: relative;
  min-height: 26rem;
  container-type: inline-size;
  overflow: hidden;
}
.how__stage .tile--deep {
  position: absolute;
  inset: 0;
}
.how__floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 38%;
  width: 100%;
  color: var(--color-pulsar);
  opacity: 0.4;
  z-index: 0;
}
.hv {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: var(--tile-pad);
  gap: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out),
    visibility 0s linear var(--dur-slow);
}
.hv.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.hv__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hv__body {
  position: relative;
  flex: 1;
}

/* Step 1: messy board */
.hv1 .mx {
  position: absolute;
  padding: 0.5rem;
}
.hv1 .c1 {
  left: 2%;
  top: 2%;
  width: 30%;
  --rz: -6deg;
  --ry: 14deg;
}
.hv1 .c2 {
  left: 34%;
  top: 0;
  width: 26%;
  --rz: 5deg;
}
.hv1 .c3 {
  left: 64%;
  top: 6%;
  width: 32%;
  --rz: -3deg;
}
.hv1 .c4 {
  left: 4%;
  top: 50%;
  width: 26%;
  --rz: 4deg;
}
.hv1 .c5 {
  left: 36%;
  top: 44%;
  width: 28%;
  --rz: -4deg;
}
.hv1 .c6 {
  left: 68%;
  top: 46%;
  --rz: 6deg;
}
.hv1 .c1 svg,
.hv1 .c2 svg {
  width: 100%;
  aspect-ratio: 4/3;
  display: block;
}
.hv1 .c3 {
  display: flex;
  height: 3.2rem;
  padding: 0;
}
.hv1 .c3 i {
  flex: 1;
}
.hv1 .c4 b {
  font: 500 2.6rem/1 var(--font-display);
}
.hv1 .c5 {
  background: #ffd2b5;
  color: #0b1012;
  font-weight: 700;
  border: 0;
  padding: 0.8rem;
}
.hv1 .c6 {
  color: var(--color-danger);
  font: 500 0.8rem/1 var(--font-mono);
  border-color: rgba(255, 122, 133, 0.6);
  background: rgba(11, 16, 18, 0.85);
}
.hv__drop {
  margin-top: auto;
  padding: 0.9rem;
  text-align: center;
  font: 500 0.8rem/1.2 var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--color-pulsar);
  border: 1px dashed var(--color-pulsar);
  background: rgba(123, 147, 255, 0.06);
}

/* Step 2: generate */
.hv-ramps {
  display: grid;
  gap: 6px;
}
.hv-ramps .r {
  display: grid;
  grid-template-columns: 5.5rem repeat(9, 1fr);
  gap: 4px;
  align-items: center;
  font: 0.75rem/1 var(--font-mono);
  color: var(--color-text-muted);
}
.hv-ramps .r i {
  height: 2.2rem;
}
.hv-cats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: var(--space-5);
}
.hv-cats span {
  padding: 0.7rem 0.6rem;
  font: 500 0.75rem/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  border: 1px solid var(--color-line-strong);
  background: rgba(11, 16, 18, 0.6);
}
.hv-cats span.on {
  color: var(--color-on-accent);
  background: var(--color-ion);
  border-color: var(--color-ion);
}

/* Step 3: adjust */
.hv3 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4);
}
.hv-schemes {
  display: grid;
  gap: 6px;
}
.hv-scheme {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 3.2rem;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--color-line-strong);
  background: rgba(11, 16, 18, 0.6);
}
.hv-scheme i {
  height: 2rem;
}
.hv-scheme em {
  font: 500 0.75rem/2rem var(--font-mono);
  font-style: normal;
  text-align: center;
  color: var(--color-text-muted);
}
.hv-scheme.pick {
  border-color: var(--color-ion);
  box-shadow: 0 0 0 1px var(--color-ion);
}
.hv-scheme.pick em {
  color: var(--color-ion);
}
.hv-slider {
  margin-top: var(--space-3);
  font: 0.75rem/1 var(--font-mono);
  color: var(--color-text-muted);
}
.hv-slider > span {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.45rem;
}
.hv-slider .t {
  position: relative;
  height: 4px;
  background: var(--color-line-strong);
}
.hv-slider .t i {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: var(--grad-horizon);
}
.hv-slider .t b {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  background: var(--color-text);
}
.hv-lock {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.7rem;
  font: 0.75rem/1 var(--font-mono);
  border: 1px solid var(--color-line-strong);
  background: rgba(11, 16, 18, 0.6);
  margin-bottom: 6px;
}
.hv-lock svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-flare);
}
.hv-why {
  padding: 0.8rem;
  font-size: 0.85rem;
  line-height: 1.4;
  border: 1px solid var(--color-plasma);
  background: rgba(224, 123, 255, 0.08);
}
.hv-why b {
  display: block;
  color: var(--color-plasma);
  font: 500 0.75rem/1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Step 4: preview and export */
.hv4 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-4);
}
.hv-page {
  border: 1px solid var(--color-line-strong);
  background: #f4f0e8;
  color: #0b1012;
  display: flex;
  flex-direction: column;
}
.hv-page__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid #c9ccc2;
  font: 700 0.75rem/1 var(--font-display);
}
.hv-page__nav i {
  width: 2.6rem;
  height: 0.5rem;
  background: #7b93ff;
}
.hv-page__body {
  padding: 0.9rem;
  display: grid;
  gap: 0.5rem;
}
.hv-page__body b {
  font: 500 1.4rem/1 var(--font-display);
  letter-spacing: -0.03em;
}
.hv-page__body i {
  height: 0.45rem;
  background: #c9ccc2;
}
.hv-page__body i.s {
  width: 60%;
}
.hv-page__cta {
  justify-self: start;
  padding: 0.4rem 0.7rem;
  font: 700 0.7rem/1 var(--font-body);
  color: #f4f0e8;
  background: #4a5fcc;
}
.hv-page__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin-top: 0.3rem;
}
.hv-page__cards span {
  height: 2.6rem;
  background: #e6e0fe;
  border: 1px solid #c3cdff;
}
.hv-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-outline);
  margin-bottom: 6px;
}
.hv-modes span {
  padding: 0.55rem;
  text-align: center;
  font: 500 0.72rem/1 var(--font-mono);
  color: var(--color-text-muted);
}
.hv-modes span.on {
  color: var(--color-on-accent);
  background: var(--color-text);
}
.hv-dl {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem;
  margin-top: 6px;
  color: var(--color-on-accent);
  background: var(--grad-drift);
  font-weight: 700;
  position: relative;
  isolation: isolate;
}
.hv-dl::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--noise);
  opacity: 0.3;
  mix-blend-mode: overlay;
}
.hv-dl svg {
  width: 1.3rem;
  height: 1.3rem;
}
.hv-dl small {
  display: block;
  font: 0.7rem/1.3 var(--font-mono);
  font-weight: 400;
}
@container (max-width: 30rem) {
  .hv3,
  .hv4 {
    grid-template-columns: 1fr;
  }
  .hv-cats {
    grid-template-columns: repeat(2, 1fr);
  }
  .hv-ramps .r {
    grid-template-columns: 4rem repeat(9, 1fr);
  }
}
@media (max-width: 59.99rem) {
  .how__stage {
    min-height: 30rem;
  }
}

/* =========================================================
   [03] Features bento
   ========================================================= */
.fb {
  display: grid;
  gap: var(--bento-gap);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.fb > * {
  grid-column: 1 / -1;
}
@media (min-width: 48rem) {
  .fb > * {
    grid-column: span 6;
  }
  .fb .fb-ideas {
    grid-column: 1 / -1;
  }
}
@media (min-width: 64rem) {
  .fb .fb-ideas {
    grid-column: 1 / 6;
    grid-row: 1 / 3;
  }
  .fb .fb-system {
    grid-column: 6 / 13;
  }
  .fb .fb-shuffle {
    grid-column: 6 / 10;
  }
  .fb .fb-live {
    grid-column: 10 / 13;
  }
  .fb .fb-why {
    grid-column: 1 / 7;
  }
  .fb .fb-mode {
    grid-column: 7 / 13;
  }
}
.fb .tile {
  min-height: 15rem;
}
.fb h3 {
  font-size: var(--text-xl);
}
.fb .tile__foot {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}
.fb-vis {
  position: relative;
  flex: 1;
  min-height: 7rem;
}

/* Ideas: floating chips */
.fb-ideas .fb-vis {
  min-height: 16rem;
}
.chip-x {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  font: 500 0.85rem/1 var(--font-mono);
  background: var(--color-void);
  border: 1px solid var(--color-line-strong);
  box-shadow: 0 14px 24px -10px rgba(0, 0, 0, 0.7);
  white-space: nowrap;
}
.chip-x svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--chip, var(--color-pulsar));
}
.chip-x.avoid {
  color: var(--color-danger);
  border-color: rgba(255, 122, 133, 0.6);
}

/* System: 8 categories */
.cat8 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.cat8 span {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.6rem;
  font: 500 0.72rem/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(11, 16, 18, 0.6);
  border: 1px solid var(--color-line-strong);
}
.cat8 svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-ion);
}
@container (max-width: 26rem) {
  .cat8 {
    grid-template-columns: repeat(2, 1fr);
  }
}
.fb-system {
  container-type: inline-size;
}

/* Shuffle: schemes */
.sch {
  display: grid;
  gap: 5px;
}
.sch div {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 1.6rem;
  gap: 3px;
  align-items: center;
}
.sch i {
  height: 1.5rem;
}
.sch svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-text-faint);
  justify-self: center;
}
.sch .on svg {
  color: var(--color-flare);
}

/* Live: mini page + devices */
.live {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 100%;
}
.live > div {
  background: #f4f0e8;
  border: 1px solid var(--color-line-strong);
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 6px;
}
.live .d {
  flex: 3;
  height: 6.5rem;
}
.live .m {
  flex: 1;
  height: 5rem;
}
.live b {
  height: 0.5rem;
  width: 60%;
  background: #7b93ff;
}
.live i {
  height: 0.3rem;
  background: #c9ccc2;
}

/* Why: provenance chips */
.prov {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.prov span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.6rem;
  font: 500 0.75rem/1 var(--font-mono);
  border: 1px solid var(--color-line-strong);
  background: rgba(11, 16, 18, 0.6);
}
.prov span::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--c);
}
.prov-val {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font: 0.85rem/1.3 var(--font-mono);
}
.prov-val i {
  width: 2.2rem;
  height: 2.2rem;
  background: #7b93ff;
  border: 1px solid var(--color-outline);
}

/* Normal or Expressive */
.mode-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  height: 100%;
}
.mode-demo > div {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 7rem;
  font: 500 0.75rem/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  overflow: hidden;
  isolation: isolate;
}
.mode-demo .n {
  background: var(--color-surface-2);
  border: 1px solid var(--color-line-strong);
  color: var(--color-text-muted);
}
.mode-demo .e {
  background: var(--grad-horizon);
  color: var(--color-on-accent);
}
.mode-demo .e::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--noise);
  opacity: 0.4;
  mix-blend-mode: overlay;
}
.mode-demo .e svg {
  position: absolute;
  width: 40%;
  right: -6%;
  bottom: -10%;
  z-index: -1;
}

/* =========================================================
   [04] Who it is for
   ========================================================= */
.who {
  display: grid;
  gap: var(--bento-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 48rem) {
  .who {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .who > :first-child {
    grid-column: 1 / 7;
    grid-row: 1 / 3;
  }
  .who > :nth-child(2),
  .who > :nth-child(3) {
    grid-column: 7 / 13;
  }
}
.who .tile {
  min-height: 13rem;
}
.who .tile--grad {
  min-height: 27rem;
}
.who h3 {
  font-size: var(--text-2xl);
}
.who .tile--grad h3 {
  font-size: var(--text-3xl);
  line-height: 1;
}
.who__lead {
  font: 500 var(--text-xs)/1.3 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.who .tile--grad .who__lead {
  color: rgba(11, 16, 18, 0.75);
}
.who__art {
  position: absolute;
  right: -4%;
  top: -4%;
  width: 46%;
  z-index: -1;
}

/* =========================================================
   [05] What you get (export)
   ========================================================= */
.ex {
  display: grid;
  gap: var(--bento-gap);
}
@media (min-width: 60rem) {
  .ex {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}
.ex__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--bento-gap);
}
.ex__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
}
.ex__list strong {
  display: block;
  font: 500 var(--text-lg)/1.2 var(--font-display);
}
.ex__list p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}
.tree {
  padding: 0;
  background: var(--color-void);
}
.tree__bar {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--color-line-strong);
  font: 500 var(--text-xs)/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.tree__body {
  display: grid;
  grid-template-columns: 1fr;
  flex: 1;
}
@media (min-width: 40rem) {
  .tree__body {
    grid-template-columns: 1fr 1fr;
  }
}
.tree pre {
  margin: 0;
  padding: 1.25rem;
  font: 0.8rem/1.6 var(--font-mono);
  color: var(--color-text-muted);
  overflow-x: auto;
  white-space: pre;
}
.tree pre + pre {
  border-top: 1px solid var(--color-line);
  background: var(--pattern-grid), #0e1416;
}
@media (min-width: 40rem) {
  .tree pre + pre {
    border-top: 0;
    border-left: 1px solid var(--color-line);
  }
}
.tree b {
  color: var(--color-text);
  font-weight: 500;
}
.tree .d {
  color: var(--color-pulsar);
}
.tree .m {
  color: var(--color-flare);
}
.tree .c {
  color: var(--color-text-faint);
}
.tree .p {
  color: var(--color-plasma);
}
.tree .s {
  color: var(--color-ion);
}
.tree__note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-line-strong);
  font: 0.75rem/1.3 var(--font-mono);
  color: var(--color-text-muted);
}
.tree__note span::before {
  content: "✓ ";
  color: var(--color-ion);
}

/* =========================================================
   [06] Roadmap
   ========================================================= */
.rm {
  position: relative;
  padding: clamp(1.5rem, 1rem + 2vw, 3rem);
  border: 1px dashed var(--color-flare);
  background: var(--pattern-dots), var(--color-bg-raised);
}
.rm .shead {
  border-top-color: var(--color-flare);
}
.rm__grid {
  display: grid;
  gap: var(--bento-gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 12rem), 1fr));
}
.rm__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
}
.rm__item svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-flare);
}
.rm__item strong {
  font: 500 var(--text-lg)/1.2 var(--font-display);
}
.rm__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.rm__foot p {
  color: var(--color-text-muted);
  max-width: 52ch;
}

/* =========================================================
   [07] Trust
   ========================================================= */
.tr {
  display: grid;
  gap: var(--bento-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}
.tr .tile {
  min-height: 14rem;
}
.tr h3 {
  font-size: var(--text-lg);
}

/* =========================================================
   [08] FAQ
   ========================================================= */
.fq {
  display: grid;
  gap: var(--space-7);
}
@media (min-width: 60rem) {
  .fq {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}
.fq__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
  border-top: var(--rule-w) solid var(--color-text);
  padding-top: var(--space-4);
}
.fq__head h2 {
  font-size: var(--text-4xl);
  line-height: 0.92;
}
.fq__head .lead {
  font-size: var(--text-base);
}

/* =========================================================
   CTA
   ========================================================= */
.cta-b {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(2.5rem, 1.5rem + 5vw, 6rem) clamp(1.5rem, 1rem + 3vw, 4rem);
  min-height: 30rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-5);
  background: var(--grad-deep);
  border: 1px solid var(--color-line-strong);
}
.cta-b::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--noise);
  opacity: 0.24;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.cta-b h2 {
  font-size: var(--text-5xl);
  line-height: 0.9;
  letter-spacing: -0.05em;
  max-width: 12ch;
}
.cta-b > p {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}
.cta-b .floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 45%;
  z-index: -1;
  color: var(--color-pulsar);
  opacity: 0.5;
}
.cta-b .s1 {
  position: absolute;
  right: 6%;
  top: 10%;
  width: clamp(6rem, 14vw, 12rem);
  z-index: -1;
}
.cta-b .s2 {
  position: absolute;
  right: 22%;
  bottom: 14%;
  width: clamp(5rem, 12vw, 10rem);
  z-index: -1;
}
.cta-b .s3 {
  position: absolute;
  right: 4%;
  bottom: 20%;
  width: clamp(3rem, 6vw, 5rem);
  z-index: -1;
}
@media (max-width: 47.99rem) {
  .cta-b .s1 {
    opacity: 0.5;
  }
  .cta-b .s2 {
    display: none;
  }
}

/* Preview-only switcher */
.layout-switch {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 120;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  background: var(--color-void);
  border: 1px solid var(--color-outline);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
@media (max-width: 30rem) {
  .layout-switch .label {
    display: none;
  }
}

/* Narrow fixes: ideas chips wrap, board notes fit, sphere clears the label */
.fb-ideas {
  container-type: inline-size;
}
@container (max-width: 30rem) {
  .fb-ideas .fb-vis {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 0.6rem;
    min-height: 0;
  }
  .fb-ideas .chip-x {
    position: static;
  }
  .fb-ideas .chip-x:nth-child(odd) {
    transform: rotate(-2deg);
  }
  .fb-ideas .chip-x:nth-child(even) {
    transform: rotate(2deg);
  }
  .hv1 .c4 {
    left: 2%;
    top: 48%;
    width: 30%;
  }
  .hv1 .c5 {
    left: 34%;
    top: 46%;
    width: 38%;
    padding: 0.6rem;
    font-size: 0.8rem;
  }
  .hv1 .c6 {
    left: 58%;
    top: 70%;
    white-space: nowrap;
  }
}
@media (max-width: 30rem) {
  .mode-demo .e svg {
    width: 34%;
    right: -14%;
    bottom: -16%;
  }
}

/* How it works, pinned mode: the whole section fits in one screen, under the sticky header */
@media (min-width: 60rem) and (min-height: 40rem) {
  .how {
    height: 100vh;
    height: 100svh;
    padding-block: calc(4rem + clamp(1rem, 3vh, 2.5rem)) clamp(1rem, 3vh, 2.5rem);
    display: flex;
    flex-direction: column;
  }
  .how > .container {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  .how .shead {
    margin-bottom: clamp(1rem, 3vh, 2rem);
  }
  .how__grid {
    flex: 1;
    min-height: 0;
  }
  .how__steps {
    align-content: start;
    min-height: 0;
  }
  .how__step {
    padding-block: clamp(0.6rem, 1.6vh, 1.1rem);
    align-items: center;
  }
  /* Only the active step shows its text, so all 4 steps and the stage fit on screen */
  .how__step[aria-selected="false"] .how__desc {
    display: none;
  }
  .how__step[aria-selected="false"] .how__num {
    font-size: 1.8rem;
  }
  .how__stage {
    min-height: 0;
  }
  .how .section-more {
    margin-top: var(--space-2) !important;
  }
}

/* Reveal (sections.js adds .reveal-on only when JS runs and motion is allowed) */
.reveal-on [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
}
.reveal-on [data-reveal] {
  transition:
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-on [data-reveal].is-now {
  transition: none;
}

/* How it works: step arrows on the stage (shown in option 2) */
.how__nav {
  display: none;
}

/* No JS: sections.js does not run, so the How it works tabs cannot switch.
   Show every step and every step visual, one after the other. (html.js is set in each page head.) */
html:not(.js) .how {
  height: auto;
  display: block;
}
html:not(.js) .how__step .how__desc {
  display: block;
}
html:not(.js) .how__progress,
html:not(.js) .how__nav {
  display: none;
}
html:not(.js) .how__stage {
  min-height: 0;
  overflow: visible;
}
html:not(.js) .how__stage .tile--deep {
  position: relative;
  inset: auto;
  display: grid;
  gap: var(--space-6);
}
html:not(.js) .hv {
  position: relative;
  inset: auto;
  min-height: 24rem;
  opacity: 1;
  visibility: visible;
  transform: none;
}