/**
 * RISERVATI - Header Layout
 * Site header, navigation, and logo
 */

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-slow);
  padding: 0.75rem 2rem;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== Logo ===== */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-sep {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}

.logo-text span {
  color: var(--color-primary);
}

/* ===== Navigation ===== */
.header nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header nav a {
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.header nav a:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
}

.header nav .nav-cta {
  background: var(--color-gradient);
  color: #fff;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  margin-left: 8px;
}

.header nav .nav-cta:hover {
  box-shadow: var(--shadow-primary-sm);
  transform: translateY(-1px);
  color: #fff;
  background: var(--color-gradient-hover);
}

/* ===== Language Navigation ===== */
.lang-nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.lang-flag {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-normal);
}

.lang-flag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lang-flag.active {
  background: var(--color-gradient);
  color: white;
  border-color: transparent;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-primary);
}

/* ===== Beta Announcement Bar ===== */
.beta-announcement {
  background: var(--color-gradient);
  color: #fff;
  padding: 10px 20px;
  text-align: center;
  font-size: 0.9rem;
}

.beta-announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.beta-announcement .highlight {
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.beta-announcement a {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
}

.beta-announcement a:hover {
  opacity: 0.9;
}

/* ===== Mobile Navigation Dropdown ===== */
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(10, 10, 15, 0.98);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.mobile-nav a:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .beta-announcement-content {
    flex-direction: column;
    gap: 8px;
  }

  .header-inner {
    padding: 12px 16px;
  }

  .header nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }
}