/* ── Hero ── */
.tech-hero {
  position: relative;
  width: 100%;
  height: calc(70vh + var(--nav-height));
  min-height: calc(320px + var(--nav-height));
  background-image: url('../images/Die-Technik-1920x1280px.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

@media (min-width: 768px) {
  .tech-hero {
    height: calc(35vh + var(--nav-height));
    min-height: calc(240px + var(--nav-height));
  }
}

.tech-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay);
}

.tech-hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-l);
  color: var(--color-white);
}

.tech-hero-content h1 {
  font-size: clamp(1.5rem, 5vw, 3rem);
  margin-bottom: var(--space-s);
}

.tech-hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  opacity: 0.9;
  letter-spacing: 0.04em;
}

/* ── Content section ── */
.tech-content {
  padding: var(--space-xl) var(--space-l);
  background-color: var(--color-light);
}

/* ── Outer wrapper: constrains width, contains dots ── */
.tech-slider-outer {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ── Inner wrapper: clips overflowing slides, anchors arrows ── */
.tech-slider-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 2px 16px var(--color-shadow);
}

/* ── Sliding track ── */
.tech-slider {
  display: flex;
  transition: transform 0.4s ease;
}

/* ── Single slide ── */
.tech-slide {
  width: 100%;
  min-width: 100%;
  position: relative;
  flex-shrink: 0;
}

.tech-slide img {
  width: 100%;
  height: 60vh;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

/* ── Headline overlay ── */
.tech-slide-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
  padding: var(--space-s) var(--space-m);
  background-color: rgba(0, 0, 0, 0.55);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}

/* ── Prev / next arrows ── */
.tech-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.4);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s;
  z-index: 2;
}

.tech-arrow:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

.tech-arrow:focus-visible {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

.tech-arrow-prev {
  left: var(--space-s);
}

.tech-arrow-next {
  right: var(--space-s);
}

/* ── Dot indicators ── */
.tech-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-s);
  margin-top: var(--space-m);
}

.tech-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-marine);
  opacity: 0.4;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.2s, background-color 0.2s;
}

.tech-dot:hover {
  opacity: 0.7;
}

.tech-dot-active {
  opacity: 1;
  background-color: var(--color-red);
}

.tech-dot:focus-visible {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

/* ── Screen-reader-only utility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Pause button ── */
.tech-pause-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-s);
}

.tech-pause {
  background: none;
  border: 1px solid var(--color-marine);
  color: var(--color-marine);
  border-radius: 4px;
  padding: var(--space-s) var(--space-m);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.tech-pause:hover {
  background-color: var(--color-marine);
  color: var(--color-white);
}

.tech-pause:focus-visible {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

/* ── Lightbox ── */
.tech-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-m);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.tech-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.tech-lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
}

.tech-lightbox-close {
  position: absolute;
  top: var(--space-m);
  right: var(--space-m);
  background: none;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: var(--color-white);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, border-color 0.15s;
  z-index: 1;
}

.tech-lightbox-close:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

.tech-lightbox-close:focus-visible {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

.tech-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.45);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, border-color 0.15s;
  z-index: 1;
}

.tech-lightbox-nav:hover {
  background-color: rgba(0, 0, 0, 0.75);
  border-color: var(--color-white);
}

.tech-lightbox-nav:focus-visible {
  outline: 2px solid var(--color-red);
  outline-offset: 2px;
}

.tech-lightbox-prev { left: var(--space-m); }
.tech-lightbox-next { right: var(--space-m); }

.tech-slide img {
  cursor: zoom-in;
}

/* ── Error state ── */
.tech-error {
  padding: var(--space-l);
  text-align: center;
  color: var(--color-text);
  background-color: var(--color-white);
  border-radius: 4px;
  box-shadow: 0 2px 8px var(--color-shadow);
}