/* About Hero (MIT-inspirierte Komponenten) */
:root {
  --ab-gap: clamp(16px, 2.5vw, 28px);
  --ab-accent: #0a84ff;
}

.ab-hero {
  display: grid;
  place-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: .75rem;
}

.ab-hero__inner {
  width: min(980px, 92vw);
  display: grid;
  gap: var(--ab-gap);
}

.ab-hero__head {
  display: grid;
  gap: .65rem;
}

.ab-hero__eyebrow {
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ab-accent);
}

.ab-hero__title {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .2px;
}

.ab-hero__sub {
  color: #475569;
}
:root[data-theme="dark"] .ab-hero__sub {
  color: #cbd5e1;
}

.ab-hero__cta {
  margin-top: .25rem;
  display: inline-flex;
  gap: .5rem;
  flex-wrap: wrap;
}

.ab-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .9rem;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.08);
  background: var(--ab-accent);
  color: #fff;
  cursor: pointer;
  transition: background .18s cubic-bezier(.4,0,.2,1), transform .18s cubic-bezier(.4,0,.2,1), box-shadow .18s;
  will-change: transform, box-shadow;
}
.ab-btn:hover,
.ab-btn:focus-visible {
  background: #0874dd;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 4px 18px rgba(10,132,255,0.18);
}
.ab-btn:active {
  transform: translateY(.5px) scale(.98);
  box-shadow: 0 2px 8px rgba(10,132,255,0.1);
}

.ab-btn--ghost {
  background: transparent;
  color: var(--ab-accent);
  border-color: currentColor;
}
.ab-btn--ghost:hover,
.ab-btn--ghost:focus-visible {
  background: rgba(10,132,255,.10);
  box-shadow: none;
}
:root[data-theme="dark"] .ab-btn--ghost:hover,
:root[data-theme="dark"] .ab-btn--ghost:focus-visible {
  background: rgba(255,255,255,.08);
  color: #e5e7eb;
}

.ab-hero__highlights {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.ab-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem .65rem;
  border-radius: 999px;
  background: rgba(10,132,255,.10);
  color: var(--ab-accent);
  border: 1px solid rgba(0,0,0,.06);
  font-weight: 600;
  font-size: .9rem;
}
:root[data-theme="dark"] .ab-chip {
  background: rgba(255,255,255,.06);
  color: #e5e7eb;
  border-color: rgba(255,255,255,.12);
}

.ab-hero__stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 560px) {
  .ab-hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.ab-stat {
  display: grid;
  gap: .15rem;
  justify-items: center;
  padding: .9rem .75rem;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,.06);
  color: #111827;
}
:root[data-theme="dark"] .ab-stat {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.1);
  color: #e5e7eb;
}

.ab-stat__val {
  font-weight: 800;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.1;
}
.ab-stat__label {
  font-size: .85rem;
  opacity: .85;
}

/* Fokus-States */
.ab-btn:focus-visible {
  outline: 2px solid var(--ab-accent);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ab-btn { transition: none !important; transform: none !important; box-shadow: none !important; }
}