/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(27, 17, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(86, 67, 52, 0.3);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(21, 12, 6, 0.97);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.header-brand img {
  height: 40px;
  width: auto;
}

.header-brand-text {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-on-surface);
  letter-spacing: -0.01em;
}

.main-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-menu .menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.main-menu .menu a {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.3s ease;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.main-menu .menu a:hover,
.main-menu .menu a.active {
  color: var(--color-primary);
}

.main-menu .menu a.active {
  border-bottom-color: var(--color-primary);
}

.btn-header-cta {
  display: inline-block;
  background-color: var(--color-primary-container);
  color: var(--color-on-primary);
  padding: 12px 32px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.btn-header-cta:hover {
  filter: brightness(1.1);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-on-surface);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background-color: var(--color-surface-container-low);
  padding: 24px;
  transition: right 0.4s ease;
  z-index: 2001;
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-header {
  display: flex;
  justify-content: flex-end;
}

.close-icon {
  font-size: 2rem;
  color: var(--color-on-surface);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.close-icon:hover {
  color: var(--color-primary);
}

.mobile-menu-links {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu-links a {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-on-surface);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-menu-links a:hover {
  color: var(--color-primary);
}

.mobile-menu-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 32px;
}

.mobile-menu-footer a {
  color: var(--color-on-surface-variant);
  font-size: 1.25rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-menu-footer a:hover {
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .header-brand-text {
    display: none;
  }

  .main-menu {
    display: none;
  }

  .burger {
    display: flex;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 var(--margin-mobile);
  }
}