/* =========================================
   Header – Centered brand, split nav, editorial style
   ========================================= */

/* ── Layout Variables ─────────────────── */
:root {
  --header-topline-h: 32px;
  --header-main-h: 72px;
  --header-total: calc(var(--header-topline-h) + var(--header-main-h));
}

/* ── Site Header Container ─────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(8, 9, 12, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(245, 239, 228, 0.06);
}

/* ── Top Information Line ──────────────── */
.header-topline {
  height: var(--header-topline-h);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(245, 239, 228, 0.06);
  background: rgba(5, 5, 9, 0.6);
}

.header-topline__text {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
}

/* ── Main Header Bar ───────────────────── */
.header-main {
  height: var(--header-main-h);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--layout-max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
}

/* ── Navigation (left & right) ─────────── */
.header-nav {
  flex: 1;
}

.header-nav--left {
  display: flex;
  justify-content: flex-end;
  padding-right: var(--space-8);
}

.header-nav--right {
  display: flex;
  justify-content: flex-start;
  padding-left: var(--space-8);
}

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

.header-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.header-nav__link:hover {
  color: var(--color-text);
  background: rgba(245, 239, 228, 0.04);
}

.header-nav__link--cta {
  background: rgba(209, 165, 90, 0.12);
  color: var(--color-gold);
  border: 1px solid rgba(209, 165, 90, 0.3);
  padding: 0.4rem 1.2rem;
}

.header-nav__link--cta:hover {
  background: rgba(209, 165, 90, 0.2);
  color: var(--color-gold);
}

/* ── Centered Logo (symbol only) ───────── */
.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.header-logo__symbol {
  width: 48px;
  height: 48px;
  overflow: visible;
}

/* Logo animation – line reveal on load */
.logo-arc {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
  animation: logoReveal 1.2s ease-out 0.3s forwards;
}

.logo-ring-outer {
  stroke-dasharray: 140;
  stroke-dashoffset: 140;
  animation: logoReveal 1s ease-out 0.6s forwards;
}

.logo-ring-inner {
  stroke-dasharray: 88;
  stroke-dashoffset: 88;
  animation: logoReveal 0.8s ease-out 0.9s forwards;
}

.logo-flame {
  opacity: 0;
  animation: flameAppear 0.6s ease-out 1.2s forwards;
}

.logo-flame-glow {
  opacity: 0;
  animation: flameAppear 0.8s ease-out 1.3s forwards;
}

.logo-line,
.logo-diamond {
  opacity: 0;
  animation: logoFadeIn 0.5s ease-out 1.4s forwards;
}

@keyframes logoReveal {
  to { stroke-dashoffset: 0; }
}

@keyframes flameAppear {
  to { opacity: 0.85; }
}

@keyframes logoFadeIn {
  to { opacity: 0.5; }
}

/* Glow shimmer on hover */
.header-logo:hover .logo-flame {
  filter: brightness(1.3);
  transition: filter 0.4s ease;
}

.header-logo:hover .logo-arc {
  stroke: #f5efe4;
  transition: stroke 0.4s ease;
}

/* ── Mobile Toggle ─────────────────────── */
.nav-toggle-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-mobile__bar {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text-muted);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle-mobile[aria-expanded="true"] .nav-toggle-mobile__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle-mobile[aria-expanded="true"] .nav-toggle-mobile__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle-mobile[aria-expanded="true"] .nav-toggle-mobile__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── Mobile Drawer ─────────────────────── */
.mobile-nav {
  position: absolute;
  top: var(--header-total);
  left: var(--space-4);
  right: var(--space-4);
  background: rgba(8, 9, 12, 0.98);
  border: 1px solid rgba(209, 165, 90, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

.mobile-nav[hidden] { display: none; }

.mobile-nav--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav__link {
  display: block;
  padding: 0.7rem 1rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-soft);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav__link:hover {
  background: rgba(245, 239, 228, 0.05);
  color: var(--color-text);
}

.mobile-nav__link--cta {
  background: rgba(209, 165, 90, 0.12);
  color: var(--color-gold);
  border: 1px solid rgba(209, 165, 90, 0.3);
  text-align: center;
  margin-top: var(--space-2);
}

/* ── Spacer for fixed header ───────────── */
body {
  padding-top: var(--header-total);
}

/* ── Responsive ────────────────────────── */
@media (max-width: 1024px) {
  .header-nav--left { padding-right: var(--space-5); }
  .header-nav--right { padding-left: var(--space-5); }
  .header-nav__link { font-size: 0.6rem; padding: 0.35rem 0.7rem; }
}

@media (max-width: 860px) {
  .header-nav--left,
  .header-nav--right {
    display: none;
  }

  .header-main {
    justify-content: space-between;
    padding: 0 var(--space-4);
  }

  .header-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .nav-toggle-mobile {
    display: flex;
  }
}

@media (max-width: 480px) {
  .header-topline__text {
    font-size: 0.5rem;
    letter-spacing: 0.2em;
  }

  .header-logo__symbol {
    width: 40px;
    height: 40px;
  }

  .header-logo {
    width: 48px;
    height: 48px;
  }
}