/* ==========================================================================
   About page — premium layout
   ========================================================================== */

.about-page {
  overflow-x: clip;

  /* Layout grid — linha-base única em toda a página */
  --about-prose-max: 34rem;
  --about-section-header-max: 40rem;
  --about-section-header-mb: clamp(2rem, 5vw, 3rem);
  --about-card-pad: var(--space-8);
  --about-grid-gap: var(--space-5);
  --about-gap-icon-title: var(--space-5);
  --about-gap-title-body: var(--space-3);
  --about-card-icon-size: 2.75rem;
  --about-section-y: clamp(3.5rem, 7.5vw, 5.5rem);
  --about-timeline-num-h: 1.25rem;
  --about-timeline-icon-size: 2.75rem;
  --about-timeline-title-min-h: 2.875rem;
  --about-timeline-text-max: 11.5rem;
}

/* Opening zone — hero + pilares em continuidade visual */
.about-opening {
  position: relative;
  background:
    radial-gradient(ellipse 90% 55% at 18% -8%, rgba(6, 198, 245, 0.07), transparent 58%),
    radial-gradient(ellipse 70% 45% at 92% 12%, rgba(6, 198, 245, 0.04), transparent 52%),
    var(--color-bg-base);
}

/* Hero */
.about-hero {
  position: relative;
  padding-block: clamp(2.75rem, 6.5vw, 4.25rem) clamp(1.25rem, 3vw, 2rem);
  overflow: clip;
}

.about-hero__atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.about-hero__wash {
  position: absolute;
  inset: -20% -10% 40% -10%;
  background: radial-gradient(
    ellipse 55% 45% at 72% 28%,
    rgba(6, 198, 245, 0.06) 0%,
    transparent 68%
  );
}

.about-hero__mesh {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(226, 232, 240, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 232, 240, 0.55) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 72%);
}

.about-hero__inner {
  position: relative;
  z-index: 1;
}

.about-hero__layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
}

.about-hero__visual {
  display: none;
  justify-content: center;
}

@media (min-width: 1024px) {
  .about-hero__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2.5rem, 4.5vw, 4rem);
    align-items: center;
  }

  .about-hero__visual {
    display: flex;
    justify-content: flex-end;
  }
}

.about-hero__label {
  margin: 0 0 var(--type-label-title-gap);
  font-size: var(--type-label);
  font-weight: var(--type-label-weight);
  line-height: var(--type-label-lh);
  letter-spacing: var(--type-label-tracking);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.about-hero__title {
  margin: 0 0 var(--type-h2-subtitle-gap);
  font-size: clamp(1.875rem, 3.2vw, 2.625rem);
  font-weight: var(--font-weight-medium);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
}

.about-hero__title-line {
  display: block;
}

.about-hero__title-line--accent {
  margin-top: 0.12em;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-regular);
}

.about-hero__lead {
  margin: 0;
  max-width: var(--about-prose-max);
  font-size: var(--type-body-lg);
  font-weight: var(--type-body-lg-weight);
  line-height: 1.72;
  letter-spacing: -0.01em;
  color: var(--color-text-secondary);
}

.about-hero__fade {
  position: absolute;
  inset: auto 0 0;
  height: clamp(3rem, 8vw, 5rem);
  background: linear-gradient(to bottom, transparent, var(--color-bg-base));
  pointer-events: none;
}

/* Hero stage — interfaces fictícias discretas */
.ab-stage {
  --ab-ease: cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  width: min(100%, 22rem);
  aspect-ratio: 1.08 / 1;
  margin: 0;
}

.ab-stage__ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ab-stage__glow {
  position: absolute;
  inset: 22% 8% 10% 18%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(6, 198, 245, 0.08) 0%,
    rgba(6, 198, 245, 0.02) 45%,
    transparent 72%
  );
  filter: blur(36px);
}

.ab-stage__grid {
  position: absolute;
  inset: 8% 4% 12% 8%;
  border-radius: 0.75rem;
  background-image:
    linear-gradient(rgba(226, 232, 240, 0.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 232, 240, 0.45) 1px, transparent 1px);
  background-size: 1.25rem 1.25rem;
  opacity: 0.55;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, #000 30%, transparent 85%);
}

.ab-stage__layer {
  position: absolute;
  z-index: 1;
}

.ab-stage__layer--main {
  top: 6%;
  left: 2%;
  width: 82%;
  z-index: 2;
  transform: rotateY(-6deg) rotateX(3deg);
  transform-origin: center center;
}

.ab-stage__layer--chip {
  top: 2%;
  right: 0;
  z-index: 4;
}

.ab-stage__layer--note {
  bottom: 8%;
  left: 0;
  width: 46%;
  z-index: 3;
  transform: rotateY(-4deg) rotateX(2deg);
}

.ab-stage__layer--grid-card {
  bottom: 4%;
  right: 4%;
  width: 28%;
  z-index: 1;
  opacity: 0.72;
}

.ab-ui {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 0.65rem;
  box-shadow:
    0 1px 1px rgba(15, 23, 42, 0.02),
    0 8px 24px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
}

.ab-ui__bar {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.6rem;
  background: rgba(248, 250, 252, 0.95);
  border-bottom: 1px solid rgba(241, 245, 249, 0.95);
}

.ab-ui__bar span {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: #cbd5e1;
}

.ab-ui__bar span:nth-child(1) { background: #fca5a5; }
.ab-ui__bar span:nth-child(2) { background: #fcd34d; }
.ab-ui__bar span:nth-child(3) { background: #86efac; }

.ab-ui__bar em {
  margin-left: 0.35rem;
  flex: 1;
  min-width: 0;
  padding: 0.12rem 0.4rem;
  border-radius: 0.25rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-style: normal;
  color: #94a3b8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ab-ui__layout {
  display: flex;
  min-height: 7.5rem;
}

.ab-ui__nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 2.25rem;
  padding: 0.5rem 0.4rem;
  border-right: 1px solid rgba(241, 245, 249, 0.95);
  background: rgba(248, 250, 252, 0.6);
}

.ab-ui__nav-item {
  display: block;
  height: 0.35rem;
  border-radius: 0.2rem;
  background: #e2e8f0;
}

.ab-ui__nav-item--active {
  background: rgba(6, 198, 245, 0.35);
}

.ab-ui__nav-item--short {
  width: 70%;
}

.ab-ui__main {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.65rem 0.65rem;
}

.ab-ui__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.ab-ui__chip {
  display: inline-flex;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  font-size: 0.5rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #64748b;
  background: #f1f5f9;
}

.ab-ui__chip--cyan {
  color: #0891b2;
  background: rgba(6, 198, 245, 0.1);
}

.ab-ui__dot-row {
  display: flex;
  gap: 0.2rem;
}

.ab-ui__dot-row i {
  display: block;
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: #e2e8f0;
}

.ab-ui__sk {
  display: block;
  height: 0.35rem;
  margin-bottom: 0.35rem;
  border-radius: 0.2rem;
  background: linear-gradient(90deg, #e2e8f0 0%, #f1f5f9 100%);
}

.ab-ui__sk--title {
  width: 72%;
  height: 0.45rem;
  margin-bottom: 0.45rem;
}

.ab-ui__sk--line {
  width: 100%;
}

.ab-ui__sk--short {
  width: 58%;
  margin-bottom: 0.55rem;
}

.ab-ui__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
}

.ab-ui__metric {
  padding: 0.35rem 0.4rem;
  border-radius: 0.35rem;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(241, 245, 249, 0.95);
}

.ab-ui__metric--wide {
  grid-column: 1 / -1;
}

.ab-ui__metric-val {
  display: block;
  width: 55%;
  height: 0.3rem;
  margin-bottom: 0.25rem;
  border-radius: 0.15rem;
  background: #cbd5e1;
}

.ab-ui__metric-val--accent {
  width: 42%;
  background: rgba(6, 198, 245, 0.45);
}

.ab-ui__metric-lbl {
  display: block;
  width: 75%;
  height: 0.2rem;
  border-radius: 0.12rem;
  background: #e2e8f0;
}

.ab-ui__metric-bar {
  display: block;
  height: 0.28rem;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.ab-ui__metric-bar i {
  display: block;
  width: var(--w, 50%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(6, 198, 245, 0.35), rgba(6, 198, 245, 0.65));
}

.ab-ui--chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 6px 16px rgba(15, 23, 42, 0.06);
}

.ab-ui__pulse {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-accent-500);
  box-shadow: 0 0 0 3px rgba(6, 198, 245, 0.18);
}

.ab-ui__chip-label {
  font-size: 0.5625rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
}

.ab-ui__chip-value {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  color: #0891b2;
}

.ab-ui--note {
  padding: 0.55rem 0.6rem;
}

.ab-ui__note-title {
  display: block;
  width: 55%;
  height: 0.32rem;
  margin-bottom: 0.45rem;
  border-radius: 0.18rem;
  background: #cbd5e1;
}

.ab-ui__checklist {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ab-ui__checklist li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.ab-ui__checklist i {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 0.15rem;
  border: 1px solid rgba(6, 198, 245, 0.35);
  background: rgba(6, 198, 245, 0.08);
}

.ab-ui__checklist li span {
  flex: 1;
  height: 0.22rem;
  border-radius: 0.12rem;
  background: #e2e8f0;
}

.ab-ui__checklist-item--muted i {
  border-color: #e2e8f0;
  background: #f8fafc;
}

.ab-ui__checklist-item--muted span {
  width: 68%;
  opacity: 0.7;
}

.ab-ui--grid-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
  padding: 0.45rem;
  opacity: 0.85;
}

.ab-ui--grid-card span {
  aspect-ratio: 1;
  border-radius: 0.3rem;
  background: linear-gradient(135deg, #f1f5f9, #f8fafc);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

@media (prefers-reduced-motion: no-preference) {
  .about-hero__visual .ab-stage__layer--main {
    animation: ab-stage-float-main 14s var(--ab-ease) infinite alternate;
  }

  .about-hero__visual .ab-stage__layer--note {
    animation: ab-stage-float-note 16s var(--ab-ease) 1.2s infinite alternate-reverse;
  }

  .about-hero__visual .ab-ui__pulse {
    animation: ab-pulse 3s ease-in-out infinite;
  }
}

@keyframes ab-stage-float-main {
  from { transform: rotateY(-6deg) rotateX(3deg) translateY(0); }
  to { transform: rotateY(-6deg) rotateX(3deg) translateY(-4px); }
}

@keyframes ab-stage-float-note {
  from { transform: rotateY(-4deg) rotateX(2deg) translateY(0); }
  to { transform: rotateY(-4deg) rotateX(2deg) translateY(-3px); }
}

@keyframes ab-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(6, 198, 245, 0.18); }
  50% { box-shadow: 0 0 0 5px rgba(6, 198, 245, 0.08); }
}

/* Pillars */
.about-pillars {
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(3rem, 7vw, 5rem);
  background-color: var(--color-bg-base);
}

.about-pillars--opening {
  position: relative;
  z-index: 1;
  padding-top: clamp(0.5rem, 2vw, 1.25rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  background: transparent;
}

.about-pillars--opening::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(88%, 42rem);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(6, 198, 245, 0.22) 35%,
    rgba(226, 232, 240, 0.85) 50%,
    rgba(6, 198, 245, 0.22) 65%,
    transparent 100%
  );
  pointer-events: none;
}

.about-pillars--opening .about-pillars__grid {
  position: relative;
  margin-top: clamp(0.75rem, 2vw, 1.5rem);
}

.about-pillars__grid {
  display: grid;
  gap: var(--about-grid-gap);
  align-items: stretch;
  padding: 0;
  list-style: none;
}

.about-pillars__item {
  display: flex;
  min-height: 100%;
}

.about-pillar-card {
  position: relative;
  display: grid;
  grid-template-rows: var(--about-card-icon-size) auto 1fr;
  width: 100%;
  height: 100%;
  padding: var(--about-card-pad);
  border: 1px solid var(--color-border-default);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-bg-elevated) 92%, transparent) 0%, color-mix(in srgb, var(--color-bg-subtle) 88%, transparent) 100%);
  backdrop-filter: blur(12px);
  box-shadow:
    var(--shadow-sm),
    inset 0 1px 0 rgba(163, 174, 194, 0.06);
  transition:
    transform 0.32s var(--ease-out),
    box-shadow 0.32s var(--ease-out),
    border-color 0.32s var(--ease-out);
}

.about-pillar-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.06), transparent 55%);
  opacity: 0;
  transition: opacity 0.32s var(--ease-out);
  pointer-events: none;
}

.about-pillars__item:hover .about-pillar-card,
.about-pillars__item:focus-within .about-pillar-card {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.22);
  box-shadow:
    0 4px 8px rgba(10, 15, 28, 0.04),
    0 20px 40px rgba(10, 15, 28, 0.08);
}

.about-pillars__item:hover .about-pillar-card::before,
.about-pillars__item:focus-within .about-pillar-card::before {
  opacity: 1;
}

.about-pillar-card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--about-card-icon-size);
  height: var(--about-card-icon-size);
  margin: 0 0 var(--about-gap-icon-title);
  border-radius: var(--radius-icon);
  color: var(--color-accent-600);
  background: rgba(6, 182, 212, 0.1);
  transition:
    transform 0.32s var(--ease-out),
    background-color 0.32s var(--ease-out);
}

.about-pillars__item:hover .about-pillar-card__icon-wrap,
.about-pillars__item:focus-within .about-pillar-card__icon-wrap {
  transform: scale(1.06);
  background: rgba(6, 182, 212, 0.16);
}

.about-icon {
  width: 1.375rem;
  height: 1.375rem;
  transition: transform 0.32s var(--ease-out);
}

.about-icon--sm {
  width: 1.125rem;
  height: 1.125rem;
}

.about-pillar-card__title {
  margin: 0 0 var(--about-gap-title-body);
  font-size: var(--text-heading-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.about-pillar-card__text {
  margin: 0;
  align-self: start;
  font-size: var(--text-body-md);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .about-pillars__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .about-pillars__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Timeline */
.about-timeline {
  padding-block: var(--about-section-y);
  background-color: var(--color-bg-subtle);
}

.about-timeline__header {
  max-width: var(--about-section-header-max);
  margin-inline: auto;
  margin-bottom: var(--about-section-header-mb);
  text-align: center;
}

.about-timeline__title {
  margin: 0 0 var(--type-h2-subtitle-gap);
  font-size: var(--type-h2);
  font-weight: var(--type-h2-weight);
  line-height: var(--type-h2-lh);
  letter-spacing: var(--type-h2-tracking);
  color: var(--color-text-primary);
}

.about-timeline__subtitle {
  margin: 0 auto;
  max-width: var(--about-prose-max);
  font-size: var(--type-body-lg);
  font-weight: var(--type-body-lg-weight);
  line-height: var(--type-body-lg-lh);
  color: var(--color-text-secondary);
}

.about-timeline__track {
  display: grid;
  gap: var(--about-grid-gap);
  padding: 0;
  list-style: none;
}

.about-timeline__step {
  display: flex;
  min-height: 100%;
}

.about-timeline-card {
  position: relative;
  display: grid;
  grid-template-rows:
    var(--about-timeline-num-h)
    var(--about-timeline-icon-size)
    auto
    1fr;
  row-gap: var(--space-2);
  width: 100%;
  height: 100%;
  padding: var(--space-6);
  border: 1px solid var(--color-border-light);
  border-radius: 1rem;
  background-color: var(--color-bg-elevated);
  box-shadow: 0 1px 3px rgba(10, 15, 28, 0.04);
  transition:
    transform 0.32s var(--ease-out),
    box-shadow 0.32s var(--ease-out),
    border-color 0.32s var(--ease-out);
}

.about-timeline__step:hover .about-timeline-card,
.about-timeline__step:focus-within .about-timeline-card {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.25);
  box-shadow:
    0 4px 12px rgba(10, 15, 28, 0.06),
    0 16px 32px rgba(10, 15, 28, 0.06);
}

.about-timeline-card__marker {
  display: contents;
}

.about-timeline-card__number {
  grid-row: 1;
  justify-self: start;
  height: var(--about-timeline-num-h);
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-bold);
  line-height: var(--about-timeline-num-h);
  color: var(--color-accent-600);
}

.about-timeline-card__icon-wrap {
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--about-timeline-icon-size);
  height: var(--about-timeline-icon-size);
  border-radius: 50%;
  color: var(--color-accent-600);
  background: rgba(6, 182, 212, 0.1);
  transition:
    transform 0.32s var(--ease-out),
    background-color 0.32s var(--ease-out),
    box-shadow 0.32s var(--ease-out);
}

.about-timeline__step:hover .about-timeline-card__icon-wrap,
.about-timeline__step:focus-within .about-timeline-card__icon-wrap {
  transform: translateY(-2px) scale(1.08);
  background: rgba(6, 182, 212, 0.18);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.12);
}

.about-timeline-card__body {
  display: contents;
}

.about-timeline-card__title {
  grid-row: 3;
  margin: var(--space-1) 0 var(--about-gap-title-body);
  font-size: var(--text-body-md);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  color: var(--color-text-primary);
}

.about-timeline-card__text {
  grid-row: 4;
  margin: 0;
  align-self: start;
  font-size: var(--text-body-sm);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .about-timeline__track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .about-timeline__track {
    position: relative;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    column-gap: var(--space-4);
    align-items: stretch;
  }

  .about-timeline__track::before {
    content: '';
    position: absolute;
    top: calc(
      var(--about-timeline-num-h) + var(--space-2) + (var(--about-timeline-icon-size) / 2)
    );
    left: calc(100% / 12);
    right: calc(100% / 12);
    height: 1px;
    background: linear-gradient(
      90deg,
      rgba(226, 232, 240, 0.4) 0%,
      var(--color-border-default) 12%,
      rgba(6, 198, 245, 0.28) 50%,
      var(--color-border-default) 88%,
      rgba(226, 232, 240, 0.4) 100%
    );
    pointer-events: none;
    z-index: 0;
  }

  .about-timeline__step {
    position: relative;
    z-index: 1;
  }

  .about-timeline-card {
    row-gap: var(--space-2);
    padding: 0;
    text-align: center;
    border: none;
    background: transparent;
    box-shadow: none;
  }

  .about-timeline__step:hover .about-timeline-card,
  .about-timeline__step:focus-within .about-timeline-card {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: none;
  }

  .about-timeline-card__number {
    justify-self: center;
  }

  .about-timeline-card__icon-wrap {
    justify-self: center;
    position: relative;
    z-index: 1;
    background: var(--color-bg-subtle);
    box-shadow: 0 0 0 4px var(--color-bg-subtle);
  }

  .about-timeline__step:hover .about-timeline-card__icon-wrap,
  .about-timeline__step:focus-within .about-timeline-card__icon-wrap {
    background: rgba(6, 182, 212, 0.12);
    box-shadow:
      0 0 0 4px var(--color-bg-subtle),
      0 0 0 8px rgba(6, 182, 212, 0.1);
  }

  .about-timeline-card__title {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: var(--about-timeline-title-min-h);
    margin: var(--space-2) 0 var(--about-gap-title-body);
    text-align: center;
  }

  .about-timeline-card__text {
    max-width: var(--about-timeline-text-max);
    margin-inline: auto;
    text-align: center;
  }
}

/* Stats band */
.about-stats {
  padding-block: var(--about-section-y);
  background-color: #0f172a;
  background-image:
    radial-gradient(ellipse 70% 50% at 20% 0%, rgba(6, 182, 212, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(34, 211, 238, 0.08), transparent 50%);
}

.about-stats__header {
  max-width: var(--about-section-header-max);
  margin-inline: auto;
  margin-bottom: var(--about-section-header-mb);
  text-align: center;
}

.about-stats__title {
  margin: 0;
  font-size: var(--type-h2);
  font-weight: var(--type-h2-weight);
  line-height: var(--type-h2-lh);
  letter-spacing: var(--type-h2-tracking);
  color: var(--color-text-inverse);
}

.about-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--about-grid-gap);
  align-items: stretch;
  padding: 0;
  list-style: none;
}

.about-stats__item {
  display: flex;
  min-height: 100%;
}

.about-stat {
  display: grid;
  grid-template-rows: auto auto;
  row-gap: var(--about-gap-title-body);
  align-content: start;
  width: 100%;
  height: 100%;
  text-align: center;
}

.about-stat__value {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-text-accent-light);
  font-variant-numeric: tabular-nums;
}

.about-stat__value--text {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
}

.about-stat__label {
  margin: 0;
  font-size: var(--text-body-sm);
  line-height: 1.5;
  color: var(--color-text-inverse-secondary);
}

@media (min-width: 768px) {
  .about-stats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* CTA */
.about-cta {
  padding-block: var(--about-section-y) clamp(4.5rem, 9vw, 6.5rem);
  background-color: var(--color-bg-base);
}

.about-cta__panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding: var(--about-card-pad);
  border: 1px solid var(--color-border-light);
  border-radius: 1.25rem;
  background:
    radial-gradient(ellipse 80% 70% at 20% 0%, var(--color-glow-accent), transparent 60%),
    var(--color-bg-elevated);
  box-shadow: var(--shadow-md);
}

.about-cta__title {
  margin: 0 0 var(--about-gap-title-body);
  font-size: var(--type-h2);
  font-weight: var(--type-h2-weight);
  line-height: var(--type-h2-lh);
  letter-spacing: var(--type-h2-tracking);
  color: var(--color-text-primary);
}

.about-cta__text {
  margin: 0;
  max-width: var(--about-prose-max);
  font-size: var(--type-body-lg);
  font-weight: var(--type-body-lg-weight);
  line-height: var(--type-body-lg-lh);
  color: var(--color-text-secondary);
}

.about-cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about-cta__btn {
  justify-content: center;
  width: 100%;
}

.about-cta__btn--primary {
  min-height: 3.25rem;
  border-radius: 0.875rem;
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.22);
  transition:
    transform 0.28s var(--ease-out),
    box-shadow 0.28s var(--ease-out);
}

.about-cta__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(6, 182, 212, 0.28);
}

.about-cta__btn.btn--ghost {
  min-height: 3.25rem;
  border: 1px solid var(--color-border-default);
  border-radius: 0.875rem;
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  transition:
    transform 0.28s var(--ease-out),
    border-color 0.28s var(--ease-out),
    background-color 0.28s var(--ease-out);
}

.about-cta__btn.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-500);
  background-color: rgba(6, 182, 212, 0.04);
}

@media (min-width: 768px) {
  .about-cta__panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-10);
    padding: calc(var(--about-card-pad) + var(--space-2));
  }

  .about-cta__content {
    flex: 1;
    min-width: 0;
  }

  .about-cta__actions {
    flex-shrink: 0;
    flex-direction: column;
    width: auto;
    min-width: 14rem;
  }

  .about-cta__btn {
    width: 100%;
  }
}

/* Scroll reveal */
.about-page .js-about-section:not(.is-visible) .js-about-reveal {
  opacity: 0;
  transform: translateY(1.25rem);
}

.about-page .js-about-section.is-visible .js-about-reveal {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-out);
  transition-delay: var(--about-delay, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  .about-pillar-card,
  .about-pillar-card__icon-wrap,
  .about-timeline-card,
  .about-timeline-card__icon-wrap,
  .about-cta__btn--primary,
  .about-cta__btn.btn--ghost {
    transition: none;
  }

  .about-pillars__item:hover .about-pillar-card,
  .about-pillars__item:focus-within .about-pillar-card,
  .about-timeline__step:hover .about-timeline-card,
  .about-timeline__step:focus-within .about-timeline-card,
  .about-cta__btn--primary:hover,
  .about-cta__btn.btn--ghost:hover {
    transform: none;
  }

  .about-page .js-about-section:not(.is-visible) .js-about-reveal {
    opacity: 1;
    transform: none;
  }
}