/* ============================================================
  HEADER.CSS – Nozomi Japan site header styles
============================================================ */

/*  Site Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 8rem;
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  background: var(--white-rgba);
  transition: var(--transition);
}

.site-header.scrolled {
  position: fixed;
  box-shadow: 0 0.1rem 0.5rem var(--black-rgba);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: var(--white);
}

.site-header .container {
  height: 100%;
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: inherit;
  position: relative;
}

.site-header .header-info {
  display: flex;
  flex-direction: column;
  margin-right: auto;
  align-items: flex-start;
  margin-left: 11rem;
  transition: var(--transition);
  font-size: 1.6rem;
  align-items: center;
  line-height: 2rem;
}

.site-header.scrolled .header-info {
  margin-left: 8rem;
  transition: var(--transition);
  font-size: 1.2rem;
}

/*  Logo */
.site-header .header-logo {
  position: absolute;
  left: 0;
  top: 1.6rem;
  display: block;
  width: 10rem;
  height: 10rem;
  transition: var(--transition);
  text-decoration: none;
}

.site-header.scrolled .header-logo {
  top: 0.48rem;
  width: 7rem;
  height: 7rem;
}

/*  Nav Links */
.site-header .header-nav ul {
  display: flex;
  align-items: center;
  gap: 0;
}

.site-header .header-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.4rem;
  font-size: 1.6rem;
  font-weight: 400;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
  color: var(--color-black);
}

.site-header .header-nav a:hover {
  color: var(--color-red);
}

/*  CTA Button */
.site-header .header-cta {
  flex-shrink: 0;
  margin-left: 2rem;
}

/*  Hamburger (mobile) */
.site-header .hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  width: 4rem;
  height: 4rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 200;
}

.site-header .hamburger span {
  display: block;
  width: 2.4rem;
  height: 0.3rem;
  background: var(--color-black);
  border-radius: 0.2rem;
  transition: var(--transition);
  transform-origin: center;
}

.site-header .hamburger.active span:nth-child(1) {
  transform: translateY(0.9rem) rotate(45deg);
}

.site-header .hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.site-header .hamburger.active span:nth-child(3) {
  transform: translateY(-0.7rem) rotate(-45deg);
}

.slide-nav-open .site-header .header-logo {
  z-index: -1;
}

/* ACTIVE NAV LINK */
.site-header .header-nav a.nav-active {
  color: var(--color-red);
  position: relative;
}

.site-header .header-nav a.nav-active::after {
  content: "";
  position: absolute;
  bottom: -0.1rem;
  left: 1.6rem;
  right: 1.6rem;
  height: 0.2rem;
  background: var(--color-red);
}

/* ============================================================
  MOBILE OVERLAY (hamburger backdrop)
============================================================ */
/* .nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--black-rgba3);
  z-index: 5;
  opacity: 0;
  transition: var(--transition);
}

.nav-overlay.visible {
  display: block;
  opacity: 1;
} */

/* ============================================================
  RESPONSIVE BREAKPOINTS
============================================================ */
@media (max-width: 1300px) {
  .site-header .header-nav a {
    padding: 1rem 1rem;
  }
  .site-header .header-info,
  .site-header.scrolled .header-info {
    font-size: 1.2rem;
    line-height: 1.5rem;
  }
}
@media (max-width: 1024px) {
  .site-header {
    padding: 0;
    height: 6rem;
    gap: 1.6rem;
  }

  .site-header .header-logo,
  .site-header.scrolled .header-logo {
    left: 0;
    width: 5rem;
    height: 5rem;
    top: 0.5rem;
  }
  .site-header .header-info,
  .site-header.scrolled .header-info {
    margin-left: 6rem;
    font-size: 1.2rem;
    line-height: 1.5rem;
  }

  .site-header .hamburger {
    display: flex;
  }

  .site-header .header-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 28rem;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 6rem 3.2rem 4rem;
    gap: 0.8rem;
    transition: var(--transition);
    box-shadow: -0.4rem 0 3rem var(--black-rgba6);
    /* z-index: 150; */
  }

  .site-header .header-nav li {
    width: 100%;
  }

  .site-header .header-nav.open {
    right: 0;
  }

  .site-header:after {
    position: fixed;
    content: "";
    width: 100%;
    height: 100dvh;
    background: var(--black-rgba3);
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    display: none;
  }

  .slide-nav-open .site-header:after {
    display: block;
  }

  .site-header .header-nav a {
    width: 100%;
    padding: 1.2rem 0;
    font-size: 1.8rem;
    border-bottom: 0.1rem solid var(--black-rgba7);
    justify-content: left;
  }
  .site-header .header-nav li:last-child a {
    border-bottom: none;
  }

  .site-header .header-nav a.nav-active::after {
    display: none;
  }

  .site-header .header-cta {
    display: none;
  }

  .site-header .header-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
}

@media (max-width: 480px) {
}