.about-section {
  --about-serif: var(--serif, "Instrument Serif", "Iowan Old Style", serif);
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  padding: clamp(7rem, 10vw, 10.5rem) var(--pad, clamp(1.25rem, 4vw, 4rem)) 3rem;
  overflow: clip;
  color: var(--fg, #f3f3f0);
  background: var(--bg, #090909);
  border-top: 1px solid var(--line, rgba(255, 255, 255, 0.14));
}

.about-section::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background: radial-gradient(circle at 78% 44%, color-mix(in srgb, var(--accent, #a7ff4f) 7%, transparent), transparent 31%);
}

.about-shell {
  width: min(100%, var(--max, 1500px));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(12rem, 0.3fr) minmax(0, 0.7fr);
  gap: clamp(3rem, 7vw, 8.5rem);
}

.about-rail {
  min-height: clamp(36rem, 60vw, 48rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-index,
.about-eyebrow,
.about-badge-copy,
.about-section-foot {
  font-family: var(--font-mono, "SFMono-Regular", Consolas, monospace);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.about-index {
  margin: 0 0 1.35rem;
  color: var(--muted, #8d8d8a);
  font-size: clamp(0.72rem, 0.9vw, 0.86rem);
  font-weight: 600;
}

.about-title {
  margin: 0;
  font-family: var(--font-sans, "Helvetica Neue", Arial, sans-serif);
  font-size: clamp(3.4rem, 6.2vw, 7.25rem);
  font-weight: 650;
  line-height: 0.82;
  letter-spacing: -0.065em;
}

.about-signal {
  width: 8.5rem;
  height: clamp(7rem, 13vw, 10.5rem);
  margin-top: clamp(2.1rem, 4.5vw, 4rem);
  display: grid;
  justify-items: end;
  grid-template-rows: 0.45rem 1fr 0.45rem;
}

.about-signal-line {
  width: 1px;
  height: 100%;
  background: var(--line, rgba(255, 255, 255, 0.15));
  transform-origin: top;
}

.about-signal-node {
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--muted, #777);
  border-radius: 50%;
  background: var(--bg, #090909);
  transform: translateX(calc(50% - 0.5px));
}

.about-badge {
  width: min(100%, 11.25rem);
  min-height: 10rem;
  margin-top: -1px;
  padding: 1.1rem 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.14));
  border-radius: 1rem;
  background: color-mix(in srgb, var(--bg, #090909) 87%, transparent);
}

.about-badge-icon {
  width: 4rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.14));
  border-radius: 50%;
  color: var(--muted, #8d8d8a);
}

.about-badge-icon svg {
  width: 2.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.25;
}

.about-badge-copy {
  display: grid;
  gap: 0.35rem;
  text-align: center;
  font-size: 0.68rem;
  color: var(--muted, #8d8d8a);
}

.about-badge-copy strong {
  color: var(--fg, #f3f3f0);
  font-size: 0.78rem;
  font-weight: 600;
}

.about-editorial {
  min-width: 0;
}

.about-eyebrow {
  margin: 0 0 clamp(2.2rem, 4vw, 4.5rem);
  display: flex;
  gap: 0.9rem;
  color: var(--muted, #8d8d8a);
  font-size: clamp(0.7rem, 0.76vw, 0.82rem);
}

.about-statement {
  max-width: 13.4em;
  margin: 0;
  font-family: var(--font-sans, "Helvetica Neue", Arial, sans-serif);
  font-size: clamp(2.7rem, 5.2vw, 6rem);
  font-weight: 350;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.about-statement em {
  font-family: var(--about-serif);
  font-size: 1.08em;
  font-weight: 400;
  line-height: 0;
  color: color-mix(in srgb, var(--fg, #f3f3f0) 78%, var(--muted, #888));
}

.about-statement strong {
  font-weight: 680;
  color: var(--fg);
}

.about-statement strong_accent {
  font-weight: 680;
  color: var(--accent);
}

.about-details {
  margin-top: clamp(4rem, 7vw, 8rem);
  display: flex;
  justify-content: flex-end;
}

.about-copy {
  width: min(100%, 38rem);
  padding-bottom: 0.1rem;
}

.about-copy > p {
  max-width: 38rem;
  margin: 0;
  color: var(--muted, #a1a19d);
  font-family: var(--font-sans, "Helvetica Neue", Arial, sans-serif);
  font-size: clamp(1rem, 1.35vw, 1.35rem);
  font-weight: 380;
  line-height: 1.62;
}

.about-resume {
  width: fit-content;
  margin-top: clamp(2.6rem, 4vw, 4rem);
  padding: .8rem 1rem;

  display: inline-flex;
  align-items: center;
  gap: 1rem;

  border: 1px solid var(--line, #20201e);
  border-radius: 99rem;

  color: var(--bg, #000000);
  background: var(--accent);

  font-family: var(--font-sans, "Helvetica Neue", Arial, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -.005em;
  text-decoration: none;

  transition:
    color 240ms ease,
    background-color 240ms ease,
    border-color 240ms ease,
    transform 240ms ease;
}

.about-resume:hover,
.about-resume:focus-visible {
  color: var(--bg, #090909);
  background: var(--fg, #f3f3f0);
  border-color: var(--fg, #f3f3f0);
  transform: translateY(-2px);
}

.about-resume-arrow {
  display: inline-block;
  font-size: 1.1em;
  transition: transform 300ms cubic-bezier(.2, .75, .25, 1);
}

.about-resume:hover .about-resume-arrow,
.about-resume:focus-visible .about-resume-arrow {
  transform: translate(.25rem, -.25rem);
}

.about-resume:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: .3rem;
}

.about-section-foot {
  width: min(100%, var(--max, 1500px));
  margin: clamp(2rem, 6vw, 4rem) auto 0;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  color: var(--muted, #777);
  border-top: 1px solid var(--line, rgba(255, 255, 255, 0.12));
  font-size: 0.7rem;
}

/* Scroll-driven reveal: visible by default in older browsers, animated where supported. */
@keyframes about-reveal {
  from {
    opacity: 0;
    filter: blur(7px);
    transform: translate3d(var(--about-reveal-x, 0), var(--about-reveal-y, 2.4rem), 0);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(0, 0, 0);
  }
}

@keyframes about-line-draw {
  from { opacity: 0; transform: scaleY(0); }
  to { opacity: 1; transform: scaleY(1); }
}

@keyframes about-reveal-mobile {
  from {
    opacity: 0;
    transform: translate3d(0, 1.15rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@supports (animation-timeline: view()) {
  .about-section [data-reveal] {
    animation: about-reveal linear both;
    animation-timeline: view();
    animation-range: entry 4% cover 34%;
  }

  .about-section [data-reveal="left"] {
    --about-reveal-x: -2rem;
    --about-reveal-y: 0;
  }

  .about-section [data-reveal="image"] {
    --about-reveal-y: 3.5rem;
    animation-range: entry 0% cover 38%;
  }

  .about-section [data-reveal="line"] {
    animation-name: about-line-draw;
    transform-origin: top;
  }
}

@media (max-width: 900px) {
  .about-section {
    padding-top: 6.5rem;
  }

  .about-section::before {
    background: radial-gradient(circle at 88% 45%, color-mix(in srgb, var(--accent, #a7ff4f) 6%, transparent), transparent 35%);
  }

  .about-shell {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .about-rail {
    min-height: auto;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .about-index {
    grid-column: 1 / -1;
  }

  .about-signal {
    display: none;
  }

  .about-badge {
    width: 8.5rem;
    min-height: 7.2rem;
    margin: 0;
    padding: 0.75rem;
  }

  .about-badge-icon {
    width: 3rem;
  }

  .about-badge-icon svg {
    width: 1.65rem;
  }

}

@media (max-width: 640px) {
  .about-section {
    padding-top: 5.5rem;
    padding-bottom: 2rem;
  }

  .about-section [data-reveal] {
    filter: none !important;
  }

  .about-rail {
    display: block;
  }

  .about-title {
    font-size: clamp(4rem, 22vw, 6.2rem);
  }

  .about-badge {
    display: none;
  }

  .about-eyebrow {
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    line-height: 1.6;
  }

  .about-statement {
    font-size: clamp(2.55rem, 12.5vw, 4rem);
    line-height: 1;
  }

  .about-details {
    margin-top: 4rem;
  }

  .about-copy > p {
    font-size: 1rem;
    line-height: 1.65;
  }

  .about-section-foot {
    margin-top: 5rem;
  }

  @supports (animation-timeline: view()) {
    .about-section [data-reveal] {
      animation-name: about-reveal-mobile;
      animation-range: entry 0% cover 14%;
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-section [data-reveal] {
    animation: none !important;
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }

  .about-resume-arrow {
    transition: none;
  }
}