/* ============================================
   LAYOUT & STRUCTURE STYLES
   Header, Footer, Grid Systems
   ============================================ */

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--white);
  transition: all var(--transition-base);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-sm) 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  height: 50px;
  width: auto;
  margin-right: var(--spacing-md);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) 0;
  color: var(--text-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

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

.nav-link:hover::after {
  width: 100%;
}

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

.nav-link.active::after {
  width: 100%;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  margin-top: var(--spacing-md);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-dark);
  text-decoration: none;
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}

.dropdown-item:hover {
  background: var(--light-bg);
  color: var(--accent);
  border-left-color: var(--accent);
  padding-left: calc(var(--spacing-lg) + 4px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.phone-link {
  display: flex;
  align-items: center;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  position: relative;
}

.phone-pulse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: var(--spacing-sm);
  animation: pulse 2s ease-in-out infinite;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-sm);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(11px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-11px);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background: #0077A8;
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  border-top: 3px solid var(--accent);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
}

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

.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-info p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.footer-socials {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent);
  transform: translateY(-4px);
}

.footer-badges {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.badge {
  height: 60px;
  width: auto;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.badge:hover {
  opacity: 1;
}

.footer-bottom {
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-credits {
  margin-top: var(--spacing-md);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
}

.footer-credits a {
  color: var(--accent);
}

/* ============================================
   MOBILE STICKY CTA BAR
   ============================================ */

.sticky-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  z-index: var(--z-sticky);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.sticky-mobile-cta.active {
  display: flex;
}

.sticky-btn {
  flex: 1;
  padding: 16px;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  color: var(--white);
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

.sticky-call {
  background: var(--primary);
}

.sticky-call:active {
  background: #0f2947;
}

.sticky-whatsapp {
  background: #25D366;
}

.sticky-whatsapp:active {
  background: #1da853;
}

@media (max-width: 1024px) {
  .nav {
    gap: var(--spacing-md);
  }

  .nav-link {
    font-size: var(--text-sm);
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    background: var(--white);
    gap: 0;
    padding: 100px var(--spacing-lg) var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: all var(--transition-base);
  }

  .nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: var(--text-lg);
    border-bottom: 1px solid var(--light-bg);
  }

  .dropdown-menu {
    position: static;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transform: none;
    box-shadow: none;
    background: var(--light-bg);
    margin-top: 0;
  }

  .dropdown-item {
    padding-left: var(--spacing-xl);
  }

  .nav-item.active .dropdown-menu {
    opacity: 1;
    max-height: 500px;
    visibility: visible;
  }

  .header-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .phone-link {
    font-size: var(--text-sm);
  }

  .sticky-mobile-cta.active {
    display: flex;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    font-size: var(--text-xs);
  }
}