/* ============ ABOUT (#about, index 01) ============ */

/* ---- Section background band ---- */
#about {
  background: var(--bg-1);
  overflow: hidden;
  isolation: isolate;
}

/* ---- Decorative glows ---- */
#about .about__glow--a {
  width: 56vw;
  max-width: 680px;
  aspect-ratio: 1;
  top: -20%;
  left: -12vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 68%);
  opacity: 0.35;
  z-index: 0;
}

#about .about__glow--b {
  width: 40vw;
  max-width: 500px;
  aspect-ratio: 1;
  bottom: -10%;
  right: -8vw;
  background: radial-gradient(circle, var(--violet-glow) 0%, transparent 70%);
  opacity: 0.3;
  z-index: 0;
}

/* ---- Two-column layout (stacks on mobile) ---- */
#about .about__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 6vw, 5.5rem);
}

@media (min-width: 900px) {
  #about .about__layout {
    grid-template-columns: minmax(0, 44%) minmax(0, 56%);
    align-items: start;
    gap: clamp(3rem, 5vw, 6rem);
  }
}

/* ---- Left column ---- */
#about .about__left {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 3.5rem);
}

#about .about__head {
  /* override global section__head max-width within our column */
  max-width: unset;
  margin-bottom: 0;
}

#about .about__headline {
  font-size: var(--fs-h2);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

#about .about__accent-line {
  display: block;
}

#about .about__headline em {
  font-style: normal;
  color: var(--accent-bright);
}

#about .about__lead {
  font-size: var(--fs-lead);
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 48ch;
}

#about .about__lead strong {
  color: var(--text);
  font-weight: 600;
}

/* ---- Stat strip ---- */
#about .about__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

#about .about__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 80px;
}

#about .about__stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  color: var(--text);
  line-height: 1;
  letter-spacing: 0.01em;
}

#about .about__stat-label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  line-height: 1.3;
}

/* ---- Right column — capability grid ---- */
#about .about__right {
  /* sticky alignment on large screens */
}

#about .about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 540px) {
  #about .about__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  #about .about__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  #about .about__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Individual capability card ---- */
#about .about__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition:
    transform var(--dur) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
  will-change: transform;
  overflow: hidden;
}

#about .about__card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}

#about .about__card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-line) inset;
  background: var(--surface-2);
}

#about .about__card:hover::before {
  opacity: 1;
}

/* Icon container */
#about .about__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  min-height: 48px; /* tap target */
  border-radius: var(--r-md);
  background: var(--surface-3);
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}

#about .about__card:hover .about__card-icon {
  background: var(--accent-soft);
  color: var(--accent-bright);
}

/* Card body */
#about .about__card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

#about .about__card-num {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--accent-bright);
  margin-bottom: var(--space-1);
}

#about .about__card-title {
  font-family: var(--font-sans);
  font-size: var(--fs-h4);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text);
}

#about .about__card-desc {
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---- Responsive tweaks ---- */
@media (max-width: 539px) {
  #about .about__stats {
    gap: 1.25rem 2rem;
  }

  #about .about__stat {
    flex: 1 1 40%;
  }

  #about .about__card {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
  }

  #about .about__card-body {
    gap: var(--space-1);
  }
}

@media (min-width: 900px) {
  /* On large screens, sticky left column while grid scrolls */
  #about .about__left {
    position: sticky;
    top: calc(var(--header-h) + var(--space-7));
  }
}

/* ---- Reduced motion overrides already handled by global.css ---- */