/* ============================================================
   APEX DETAILING — intro.css
   Sektion direkt unter dem Hero: Eyebrow + Headline + Sub + CTAs
   ============================================================ */

.intro {
  position: relative;
  padding: clamp(2rem, 4vw, 3.5rem) var(--container-pad) clamp(3rem, 5vw, 4.5rem);
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(30,144,255,0.10), transparent 65%),
    var(--color-bg-deep);
  overflow: hidden;
  isolation: isolate;
}

/* Sehr subtiler Grid-Hintergrund fuer Editorial-Feel */
.intro::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000, transparent 85%);
}

.intro__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-start;
}

.intro__eyebrow {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
}

.intro__headline {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1.5rem + 4.5vw, 5.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  text-wrap: balance;
}

.intro__sub {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-sub);
  line-height: 1.6;
  color: var(--color-text-chrome);
}

.intro__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

/* ---------- REVEAL (default sichtbar, Animation nur als Enhancement) ---------- */
@keyframes intro-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.intro.is-visible .intro__inner > * {
  animation: intro-fade-up var(--duration-slow) var(--ease-out) both;
}
.intro.is-visible .intro__inner > *:nth-child(1) { animation-delay:  80ms; }
.intro.is-visible .intro__inner > *:nth-child(2) { animation-delay: 160ms; }
.intro.is-visible .intro__inner > *:nth-child(3) { animation-delay: 240ms; }
.intro.is-visible .intro__inner > *:nth-child(4) { animation-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .intro.is-visible .intro__inner > * { animation: none; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 480px) {
  .intro__ctas { width: 100%; }
  .intro__ctas .btn { flex: 1; justify-content: center; padding: 0.85rem 1rem; }
}