:root {
  --deep:#171410;
  --clay:#8f6f55;
  --mist:#ede6dc;
  --green:#697466;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 240, 233, .9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.btn,
.nav-cta,
.more-cases {
  cursor: pointer;
}

.hero-copy {
  color: #5f5a52;
}

.hero-image::before {
  display: none;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(15, 13, 11, .28));
  pointer-events: none;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity 1s var(--ease), transform 5.8s ease-out;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-image .image-caption,
.hero-image .image-index {
  z-index: 2;
}

.hero-image .image-index {
  min-width: 92px;
  justify-content: flex-end;
}

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

.cases .case.case-one::before {
  background-image:
    linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, .54)),
    url("assets/project-covers/yunqi-cover.jpg");
}

.cases .case.case-two::before {
  background-image:
    linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, .54)),
    url("assets/project-covers/chaoying-cover.jpg");
}

.cases .case.case-three::before {
  background-image:
    linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, .54)),
    url("assets/project-covers/xiaofeng-cover.jpg");
}

.contact {
  position: relative;
}

.contact:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, .18), transparent 42%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 1;
}

.floating-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--deep);
  color: #fff;
  padding: 13px 16px;
  box-shadow: 0 16px 42px rgba(23, 20, 16, .24);
  font-size: 12px;
}

.floating-cta.is-visible {
  display: inline-flex;
}

.floating-cta span {
  color: #c7a984;
}

@media (max-width: 800px) {
  .nav.is-open {
    height: auto;
    align-items: flex-start;
    padding: 18px 0;
    flex-wrap: wrap;
    gap: 18px;
  }

  .nav.is-open .nav-links {
    order: 3;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    padding-top: 10px;
  }

  .nav.is-open .nav-cta {
    display: inline-flex;
    order: 2;
    margin-left: auto;
  }

  .floating-cta {
    left: 16px;
    right: 16px;
    bottom: 16px;
    justify-content: center;
  }
}