/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
  height: 68px;
  width: auto;
}

.site-logo__text {
  display: none;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  font-size: var(--text-sm);
}

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

.nav-link.active {
  font-weight: var(--weight-bold);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  position: relative;
}

.header-user__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-2);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 200;
}

.header-user:hover .header-user__dropdown,
.header-user__dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: background var(--transition);
}

.dropdown-link:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2) 0;
}

/* Hamburger menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 72px;
  background: var(--color-white);
  z-index: 99;
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .nav-link {
  font-size: var(--text-lg);
  padding: var(--space-4);
}

@media (max-width: 768px) {
  .site-nav  { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn span { display: none; }
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-primary);
  color: white;
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand img {
  height: 56px;
  margin-bottom: var(--space-4);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  opacity: 0.75;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: var(--text-lg);
  transition: background var(--transition);
}

.footer-social a:hover {
  background: var(--color-primary-light);
}

.footer-col h4 {
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--weight-black);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  opacity: 0.9;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
  opacity: 0.6;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== PAGE HERO ===== */
.page-hero {
  background: var(--gradient-hero);
  color: white;
  padding: var(--space-16) 0;
  text-align: center;
}

.page-hero h1 {
  color: white;
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-xl);
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .page-hero {
    padding: var(--space-10) 0;
  }
  .page-hero h1 { font-size: var(--text-3xl); }
  .page-hero p  { font-size: var(--text-base); }
}