/* ============ HEADER ============ */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 30px 0;
  background: transparent;
}
header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  padding: 18px 0;
  box-shadow: 0 2px 24px rgba(51,37,30,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-family: var(--font-display);
  font-size: 25px;
  color: var(--white);
  letter-spacing: 0.02em;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 6px;
  transition: color 0.4s ease;
}
header.scrolled .logo { color: var(--espresso); }
.logo .amp { color: var(--brass); font-style: italic; }
.logo .tag {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  margin-left: 6px;
  opacity: 0.75;
  font-family: var(--font-body);
  text-transform: uppercase;
  font-weight: 400;
}

nav.main-nav { display: flex; gap: 38px; }
nav.main-nav a {
  font-size: 12.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.92;
  position: relative;
  padding-bottom: 4px;
  transition: opacity 0.3s ease, color 0.4s ease;
}
header.scrolled nav.main-nav a { color: var(--ink-soft); }
nav.main-nav a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0%; height: 1px;
  background: var(--brass);
  transition: width 0.35s ease;
}
nav.main-nav a:hover { opacity: 1; }
nav.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 20px; }

.btn-header-cta {
  font-size: 11.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.55);
  padding: 12px 26px;
  border-radius: 2px;
  transition: all 0.35s ease;
  white-space: nowrap;
}
header.scrolled .btn-header-cta { color: var(--espresso); border-color: var(--espresso); }
.btn-header-cta:hover { background: var(--brass); border-color: var(--brass); color: var(--white); }

/* With six nav links plus the icon cluster, tighten link spacing at
   mid widths so the nav holds one line down to the 860px menu switch. */
@media (max-width: 1440px) {
  nav.main-nav { gap: 24px; }
}
@media (max-width: 1120px) {
  nav.main-nav { gap: 16px; }
  nav.main-nav a { font-size: 11.5px; letter-spacing: 0.1em; }
}

/* 44x44px touch target (WCAG); the visible bars stay 26px wide, centered */
.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; }
.menu-toggle span { height: 1.5px; width: 26px; background: var(--white); transition: all 0.3s ease; }
header.scrolled .menu-toggle span { background: var(--espresso); }


/* ============ MOBILE MENU ============ */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--white);
  z-index: 2000;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center; gap: 32px;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(.77,0,.18,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { font-family: var(--font-display); font-size: 30px; color: var(--espresso); }
.mobile-menu .btn-header-cta { margin-top: 14px; color: var(--espresso); border-color: var(--espresso); }
.mobile-close { position: absolute; top: 30px; right: 30px; color: var(--espresso); font-size: 30px; background: none; }