/* ==========================================================================
   KOUL Theme — Navigation Styling
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid rgba(201, 168, 76, 0);
  transition: background-color 0.4s var(--ease-luxury), border-color 0.4s var(--ease-luxury);
}
.header-logo img {
    width: 150px;
}
.site-header.scrolled {
  background-color: rgba(8, 8, 8, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.4s var(--ease-luxury);
}

.site-header.scrolled .header-inner {
  padding: 16px 40px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.koul-logo-svg {
  height: 34px;
  width: 160px;
}

/* Primary Desktop Navigation */
.primary-nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

.primary-nav a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  padding: 8px 0;
  position: relative;
  transition: color 0.3s var(--ease-luxury);
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--gold);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease-luxury);
}

.primary-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.primary-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Nav CTA */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 10px 24px;
  border-radius: 0;
  transition: all 0.3s var(--ease-luxury);
}

.btn-nav-cta:hover {
  background-color: var(--gold);
  color: var(--black);
  box-shadow: 0 4px 12px rgba(201, 168, 76, 0.15);
}

/* Mobile Hamburger Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.nav-toggle span {
  width: 100%;
  height: 1.5px;
  background-color: var(--white);
  transition: all 0.4s var(--ease-luxury);
}

/* Hamburger active/open states */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--gold);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--gold);
}

/* Fullscreen Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1005;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.6s var(--ease-cinematic), opacity 0.6s var(--ease-cinematic);
  pointer-events: none;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu-inner {
  text-align: center;
  padding: 40px;
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.05em;
  transition: color 0.3s var(--ease-luxury);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--gold);
}

.mobile-menu-cta {
  margin-bottom: 40px;
}

.mobile-menu-meta {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--grey-1);
  letter-spacing: 0.1em;
}

.mobile-menu-meta p {
  margin-bottom: 8px;
}

/* Responsive Rules for Header */
@media (max-width: 1024px) {
  .primary-nav,
  .btn-nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .header-inner {
    padding: 20px 24px;
  }
  .site-header.scrolled .header-inner {
    padding: 14px 24px;
  }
}