html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #111;
  color: #fff;
}

:root {
  --overlay: rgba(0, 0, 0, 0.45);
  --text-light: #fff;
}

.hero-section {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-logo {
  display: block;
  max-width: min(420px, 70vw);
  width: auto;
  height: auto;
  object-fit: contain;
}

.navbar-custom {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  padding: 1.25rem 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0));
}

.navbar-custom .navbar-nav {
  gap: 2rem;
}

.navbar-custom .nav-link {
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link:focus,
.navbar-custom .nav-link.active {
  color: #fff;
  opacity: 0.75;
}

.carousel,
.carousel-inner,
.carousel-item {
  height: 100vh;
}

.carousel-item {
  position: relative;
  overflow: hidden;
}

.carousel-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  z-index: 1;
  pointer-events: none;
}

.carousel-bg {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  transform: scale(1.02);
}

.carousel-fade .carousel-item {
  opacity: 0;
  transition: opacity 1.6s ease-in-out !important;
}

.carousel-fade .carousel-item.active,
.carousel-fade .carousel-item-next.carousel-item-start,
.carousel-fade .carousel-item-prev.carousel-item-end {
  opacity: 1;
}

.carousel-fade .active.carousel-item-start,
.carousel-fade .active.carousel-item-end {
  opacity: 0;
}

.carousel-fade .carousel-item-next,
.carousel-fade .carousel-item-prev,
.carousel-fade .carousel-item.active {
  transform: none !important;
}

.carousel-control-prev,
.carousel-control-next,
.carousel-indicators {
  z-index: 3;
}

.section-placeholder {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem;
  background: #161616;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.section-placeholder:nth-of-type(even) {
  background: #1d1d1d;
}

.section-placeholder h2 {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  filter: invert(1);
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: 1rem;
    background: rgba(0, 0, 0, 0.75);
    padding: 1rem;
    border-radius: 0.75rem;
  }

  .navbar-custom .navbar-nav {
    gap: 0.75rem;
  }
}