.intro-hero *,
.intro-hero *::before,
.intro-hero *::after {
  box-sizing: border-box;
}

.intro-hero {
  padding: 24px 0 64px;
  background: var(--surface);
  color: var(--on-surface);
}

.intro-hero .intro-heading {
  max-width: 1160px;
  margin: 0 auto;
  text-align: center;
}

.intro-hero .eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: clamp(18px, 16px + 0.277778vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.intro-hero h1 {
  margin: 0;
  color: var(--on-surface);
  font-size: clamp(28px, 22px + 1.25vw, 40px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.035em;
  text-wrap: balance;
  hyphens: auto;
  hyphenate-limit-chars: 15 5 5;
}

.intro-hero h1 strong {
  color: var(--primary);
  font-weight: inherit;
}

.intro-hero .intro-lead {
  max-width: 1060px;
  margin: 16px auto 0;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: clamp(18px, 16px + 0.277778vw, 20px);
  line-height: 1.618;
  text-wrap: pretty;
}

.intro-hero .intro-grid {
  display: grid;
  /* Golden ratio after the gap; preserve the video's original 16:9 format. */
  grid-template-columns: minmax(0, 1.618fr) minmax(0, 1fr);
  gap: clamp(20px, 2.5vw, 36px);
  align-items: center;
  margin-top: 24px;
}

.intro-hero .intro-video {
  min-width: 0;
  margin: 0;
}

.intro-hero .intro-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 15px;
  overflow: hidden;
  background: var(--surface-alt);
}

.intro-hero .intro-player iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.intro-hero .intro-player img,
.intro-hero .intro-player video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-hero .intro-video-start {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--on-cta);
  cursor: pointer;
}

.intro-hero .intro-video-start:focus-visible {
  outline: 3px solid var(--focus-light);
  outline-offset: -5px;
  border-radius: 15px;
}

.intro-hero .intro-video-start svg {
  display: block;
  fill: currentColor;
}

.intro-hero .intro-video-sound {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .72);
}

.intro-hero .intro-video-sound svg {
  width: 26px;
  height: 26px;
}

.intro-hero .intro-video-time {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px 0 12px;
  border-radius: 22px;
  background: var(--primary);
  font: 600 16px/1 var(--font-ui);
  transition: transform .18s ease;
}

.intro-hero .intro-video-time svg {
  width: 20px;
  height: 20px;
}

.intro-hero .intro-video-start:hover .intro-video-time {
  transform: scale(1.06);
}

/* Ohne JavaScript startet nichts; das Standbild bleibt ohne Bedienelement. */
@media (scripting: none) {
  .intro-hero .intro-video-start { display: none; }
}

.intro-hero .intro-benefits {
  min-width: 0;
}

.intro-hero .intro-benefits ul {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.intro-hero .intro-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.intro-hero .intro-benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.intro-hero .intro-benefit-icon svg {
  display: block;
  overflow: visible;
}

.intro-hero .intro-benefit-copy {
  min-width: 0;
}

.intro-hero .intro-benefits p {
  margin: 5px 0 0;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

.intro-hero .intro-benefits h2 {
  margin: 0;
  color: var(--on-surface);
  font-size: clamp(17px, 15px + 0.208334vw, 20px);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0;
}

.intro-hero .intro-action {
  margin: clamp(16px, 1.5vw, 24px) auto 0;
  text-align: center;
}

.intro-hero .intro-action .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 64px;
  padding: 18px 24px;
  font-size: clamp(18px, 16px + 0.208334vw, 20px);
  line-height: 1.4;
  font-weight: 700;
}

.intro-hero .intro-arrow {
  flex: 0 0 auto;
}

.intro-hero a:focus-visible,
.intro-hero button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* More text width on compact laptops; the full ratio resumes above 1100px. */
@media (min-width: 901px) and (max-width: 1100px) {
  .intro-hero .intro-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .intro-hero .intro-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-right: auto;
    margin-left: auto;
    gap: 24px;
  }

  .intro-hero .intro-action {
    max-width: 560px;
  }

  .intro-hero .intro-action .button {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .intro-hero {
    padding: 18px 0 56px;
  }

  .intro-hero .intro-grid {
    margin-top: 16px;
  }

  .intro-hero .intro-benefits ul {
    gap: 24px;
  }
}

@media (max-width: 380px) {
  .intro-hero .intro-action .button {
    font-size: 17px;
  }
}

@media (max-width: 340px) {
  .intro-hero h1 {
    font-size: 26px;
  }

  .intro-hero {
    padding-top: 10px;
  }

  .intro-hero .eyebrow {
    margin-bottom: 6px;
  }

  .intro-hero .intro-grid {
    margin-top: 8px;
  }
}

@media (min-width: 901px) and (max-height: 800px) {
  .intro-hero {
    padding-top: 16px;
  }

  .intro-hero h1 {
    font-size: clamp(28px, 22px + 1.25vw, 36px);
  }

  .intro-hero .intro-grid {
    margin-top: 18px;
    max-width: 1100px;
    margin-right: auto;
    margin-left: auto;
  }
}

@media (min-width: 901px) and (max-height: 740px) {
  .intro-hero h1 {
    font-size: 32px;
  }

  .intro-hero .intro-benefits ul {
    gap: 12px;
  }

  .intro-hero {
    padding-top: 10px;
  }

  .intro-hero .intro-grid {
    margin-top: 14px;
    max-width: 1040px;
  }

  .intro-hero .intro-action {
    margin-top: 16px;
  }
}