.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: 72px;

background-color: transparent;
  border-bottom: 1px solid transparent;

  transition:
    background-color 350ms ease,
    border-color 350ms ease,
    height 350ms ease,
    box-shadow 350ms ease;
}

.site-header.is-scrolled {
  background-color: rgba(244, 248, 252, 0.96);
  border-bottom-color: var(--clr-border);
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: 64px;
}

.site-header--solid {
  background-color: rgba(244, 248, 252, 0.98);
  border-bottom-color: var(--clr-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--sp-8);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--tr-base);
}

.header__logo:hover {
  opacity: 0.75;
}

.header__logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
  display: block;
}

.header__logo-monogram {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--clr-text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.header__logo-divider {
  display: block;
  width: 1px;
  height: 28px;
  background-color: var(--clr-border-gold);
}

.header__logo-name {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--clr-text-muted);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.header__nav-link {
  display: block;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-mid);
  text-decoration: none;
  border-radius: var(--radius-full);
  letter-spacing: 0.01em;
  position: relative;
  transition:
    color var(--tr-base),
    background-color var(--tr-base);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 2rem);
  height: 1.5px;
  background-color: var(--clr-gold);
  border-radius: var(--radius-full);
  transition: transform var(--tr-base);
  transform-origin: center;
}

.header__nav-link:hover {
  color: var(--clr-text);
  background-color: rgba(27, 120, 200, 0.06);
}

.header__nav-link:hover::after,
.header__nav-link.is-active::after {
  transform: translateX(-50%) scaleX(1);
}

.header__nav-link.is-active {
  color: var(--clr-text);
  font-weight: var(--fw-semi);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-shrink: 0;
}

.header__cta {
  
  padding: 0.6rem 1.4rem;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition:
    border-color var(--tr-base),
    background-color var(--tr-base);
}

.header__hamburger:hover {
  border-color: var(--clr-gold);
  background-color: var(--clr-gold-bg);
}

.header__hamburger-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background-color: var(--clr-text);
  border-radius: var(--radius-full);
  transition:
    transform 300ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 200ms ease,
    width 300ms ease;
}

.header__hamburger[aria-expanded="true"] .header__hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.header__hamburger[aria-expanded="true"] .header__hamburger-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.header__hamburger[aria-expanded="true"] .header__hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.header__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-gold), var(--clr-gold-light));
  transition: width 80ms linear;
  pointer-events: none;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  visibility: hidden;
}

.mobile-menu.is-open {
  pointer-events: all;
  visibility: visible;
}

.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(24, 29, 42, 0.6);
  opacity: 0;
  transition: opacity 350ms ease;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.mobile-menu.is-open .mobile-menu__backdrop {
  opacity: 1;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 88vw);
  background-color: var(--clr-bg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 380ms cubic-bezier(0.32, 0, 0.15, 1);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
  min-height: 72px;
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--clr-text-mid);
  cursor: pointer;
  transition:
    border-color var(--tr-base),
    color var(--tr-base),
    background-color var(--tr-base);
}

.mobile-menu__close:hover {
  border-color: var(--clr-gold);
  color: var(--clr-gold);
  background-color: var(--clr-gold-bg);
}

.mobile-menu__nav-list {
  flex: 1;
  padding: var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.mobile-menu__nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    background-color var(--tr-base),
    color var(--tr-base);

opacity: 0;
  transform: translateX(20px);
  transition:
    background-color var(--tr-base),
    opacity 350ms ease,
    transform 350ms ease;
}

.mobile-menu.is-open .mobile-menu__nav-link {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu.is-open
  .mobile-menu__nav-list
  li:nth-child(1)
  .mobile-menu__nav-link {
  transition-delay: 80ms;
}
.mobile-menu.is-open
  .mobile-menu__nav-list
  li:nth-child(2)
  .mobile-menu__nav-link {
  transition-delay: 130ms;
}
.mobile-menu.is-open
  .mobile-menu__nav-list
  li:nth-child(3)
  .mobile-menu__nav-link {
  transition-delay: 180ms;
}
.mobile-menu.is-open
  .mobile-menu__nav-list
  li:nth-child(4)
  .mobile-menu__nav-link {
  transition-delay: 230ms;
}

.mobile-menu__nav-link:hover {
  background-color: var(--clr-gold-bg);
}

.mobile-menu__nav-label {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semi);
  color: var(--clr-text);
}

.mobile-menu__nav-arrow {
  color: var(--clr-gold);
  font-size: var(--fs-lg);
  transition: transform var(--tr-base);
}

.mobile-menu__nav-link:hover .mobile-menu__nav-arrow {
  transform: translateX(4px);
}

.mobile-menu__nav-link.is-active .mobile-menu__nav-label {
  color: var(--clr-gold);
}

.mobile-menu__footer {
  padding: var(--sp-6);
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.mobile-menu__contact {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
}

.mobile-menu__contact a {
  color: var(--clr-gold);
  text-decoration: none;
  transition: opacity var(--tr-base);
}

.mobile-menu__contact a:hover {
  opacity: 0.75;
}

body.menu-open {
  overflow: hidden;
}

@media (max-width: 1023px) {
  .header__nav,
  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .header__hamburger {
    display: none;
  }

  .mobile-menu {
    display: none;
  }
}

@media (max-width: 374px) {
  .header__logo-name {
    display: none;
  }

  .header__logo-divider {
    display: none;
  }
}