/* Layout */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Section base */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-light {
  background-color: var(--color-bg-light);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-light);
}

.section-dark p {
  color: rgba(245, 245, 245, 0.8);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-title {
  margin-bottom: var(--space-md);
  position: relative;
}

.title-ornament {
  margin: 0 auto var(--space-lg);
  display: flex;
  justify-content: center;
}

.section-subtitle {
  max-width: 650px;
  margin: 0 auto;
  font-size: var(--font-size-md);
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--space-md) 0;
  transition: background-color var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
  background-color: transparent;
}

.site-header.scrolled {
  background-color: rgba(26, 26, 46, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.logo img {
  height: 44px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.logo:hover img {
  opacity: 0.85;
}

/* Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  gap: var(--space-xs);
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-accent);
}

.nav-link.active {
  background-color: rgba(201, 168, 76, 0.1);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: rgba(245, 245, 245, 0.6);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  min-height: 36px;
  min-width: 36px;
  justify-content: center;
}

.lang-btn img {
  border-radius: 2px;
  width: 24px;
  height: 16px;
  flex-shrink: 0;
  object-fit: cover;
}

.lang-btn:hover {
  color: var(--color-text-light);
  background-color: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
  color: var(--color-primary-accent);
  background-color: rgba(201, 168, 76, 0.15);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-light);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-mobile-menu);
  background-color: rgba(26, 26, 46, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-light);
  padding: var(--space-sm) var(--space-xl);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  color: var(--color-primary-accent);
}

.mobile-lang-switcher {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.mobile-lang-switcher .lang-btn {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
}

/* ========== FOOTER ========== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.footer-brand img {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--color-primary-accent);
  font-size: var(--font-size-sm);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav a {
  font-size: var(--font-size-sm);
  color: rgba(245, 245, 245, 0.7);
  transition: color var(--transition-fast);
  padding: var(--space-xs) 0;
  display: inline-block;
}

.footer-nav a:hover {
  color: var(--color-primary-accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-contact a {
  font-size: var(--font-size-sm);
  color: rgba(245, 245, 245, 0.7);
  transition: color var(--transition-fast);
}

.footer-contact a:hover {
  color: var(--color-primary-accent);
}

.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  margin-top: var(--space-xl);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: rgba(245, 245, 245, 0.5);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-back-to-top);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-accent);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
  opacity: 0;
  transform: translateY(20px);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-accent-hover);
  transform: translateY(-2px);
}

.back-to-top:focus-visible {
  outline-color: var(--color-text-light);
}