/* ==========================================================================
   PRESSWALL. — HEADER & NAVIGATION
   Refined luxury Swiss editorial top bar
   ========================================================================== */

.site-header {
  position: relative;
  width: 100%;
  height: var(--header-height);
  background-color: var(--bg-primary);
  border-bottom: none;
  z-index: 1000;
  display: flex;
  align-items: center;
}

.site-header.is-scrolled {
  background-color: var(--bg-primary);
  border-bottom: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  gap: 0;
}

/* Brand Logo — word + bouncing square on hover */
.brand-group {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text-main);
  user-select: none;
}

.brand-mark {
  display: inline-flex;
  align-items: flex-end;
  gap: clamp(0.12rem, 0.35vw, 0.28rem);
}

.brand-logo-img {
  display: block;
  height: clamp(1.85rem, 2.75vw, 2.45rem);
  width: auto;
  max-width: min(38vw, 250px);
  object-fit: contain;
  object-position: left bottom;
}

.brand-logo-dot {
  display: block;
  flex-shrink: 0;
  width: clamp(0.32rem, 0.85vw, 0.48rem);
  height: clamp(0.32rem, 0.85vw, 0.48rem);
  margin-bottom: clamp(0.06rem, 0.18vw, 0.12rem);
  background-color: var(--text-main);
  border-radius: 0;
  transform-origin: center bottom;
  transform: translate3d(0, 0, 0) scale(1, 1);
  will-change: transform;
}

.brand-group:hover .brand-logo-dot,
.brand-group:focus-visible .brand-logo-dot {
  animation: brandDotBounce 1.05s cubic-bezier(0.33, 0.01, 0.2, 1) infinite;
}

@keyframes brandDotBounce {
  0% {
    transform: translate3d(0, 0, 0) scale(1, 1);
  }
  12% {
    transform: translate3d(0, 0, 0) scale(1.28, 0.62);
  }
  18% {
    transform: translate3d(0, 0, 0) scale(0.88, 1.18);
  }
  42% {
    transform: translate3d(0, -0.55em, 0) scale(0.78, 1.28);
  }
  55% {
    transform: translate3d(0, -0.58em, 0) scale(0.82, 1.22);
  }
  78% {
    transform: translate3d(0, 0, 0) scale(1.22, 0.68);
  }
  88% {
    transform: translate3d(0, 0, 0) scale(0.92, 1.1);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1, 1);
  }
}

.brand-tagline {
  display: none;
}

/* Desktop Navigation — right-weighted, inset from language switch */
.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.75rem);
  margin-left: auto;
  margin-right: clamp(1.65rem, 3vw, 2.85rem);
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

.nav-link:hover {
  opacity: 0.65;
}

.nav-link.is-active {
  font-weight: 600;
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-main);
}

/* Header Utilities (Language Toggle & Mobile Menu Trigger) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  transition: color var(--duration-fast) ease;
}

.lang-switch span {
  transition: color var(--duration-fast) ease, font-weight var(--duration-fast) ease;
}

.lang-switch span.is-active {
  color: var(--text-main);
  font-weight: 700;
}

.lang-separator {
  margin: 0 0.35rem;
  opacity: 0.4;
}

/* Mobile Hamburger Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}

.menu-toggle-line {
  width: 22px;
  height: 1.5px;
  background-color: var(--text-main);
  transition: transform var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

.menu-toggle-line:first-child {
  margin-bottom: 6px;
}

.menu-toggle.is-open .menu-toggle-line:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-toggle.is-open .menu-toggle-line:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  background-color: var(--bg-primary);
  z-index: 1050;
  padding: calc(var(--header-height) + 2rem) var(--gutter) var(--gutter);
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, -10px, 0);
  transition: opacity var(--duration-normal) var(--ease-cinematic),
              transform var(--duration-normal) var(--ease-cinematic),
              visibility var(--duration-normal) ease;
}

.mobile-nav-overlay.is-active {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.mobile-nav-footer {
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive Rules for Header */
@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .header-actions {
    margin-left: auto;
  }
  .menu-toggle {
    display: flex;
  }
  .brand-logo-img {
    height: 1.65rem;
    max-width: 40vw;
  }
  .brand-logo-dot {
    width: 0.3rem;
    height: 0.3rem;
    margin-bottom: 0.05rem;
  }
  .brand-tagline {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-group:hover .brand-logo-dot,
  .brand-group:focus-visible .brand-logo-dot {
    animation: none;
  }
}