/* Hero Slider — additive rules on top of .hero in main.css.
   .hero already provides position:relative, overflow:hidden, min-height,
   the petrol gradient background, and the ::before dot-pattern texture —
   all of that still shows through on any slide with no uploaded image. */

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease;
    z-index: 0;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    line-height: 1;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition-base);
}
.hero-nav:hover { background: rgba(255, 255, 255, 0.3); }
.hero-nav-prev { left: var(--spacing-md); }
.hero-nav-next { right: var(--spacing-md); }

.hero-dots {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 10px;
}
.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.7);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background var(--transition-base);
}
.hero-dot.is-active { background: var(--color-white); }

@media (prefers-reduced-motion: reduce) {
    .hero-slide { transition: none; }
}

@media (max-width: 600px) {
    .hero-nav { width: 36px; height: 36px; font-size: 1.5rem; }
    .hero-nav-prev { left: var(--spacing-xs); }
    .hero-nav-next { right: var(--spacing-xs); }
}