/* ===================================================================
   Navigation & Footer System - Global Components
   Shared header and footer used across all pages
   =================================================================== */

/* ===== HEADER / NAVIGATION ===== */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-fast);
}

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

.header-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--secondary);
}

.logo-icon {
  font-size: var(--text-3xl);
}

/* Navigation Menu */
nav {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

nav a {
  color: var(--dark-gray);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  transition: all var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  position: relative;
}

nav a:hover {
  color: var(--primary);
  background-color: rgba(30, 58, 95, 0.05);
}

nav a.active {
  color: var(--secondary);
  font-weight: var(--fw-bold);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: var(--space-3);
  right: var(--space-3);
  height: 3px;
  background-color: var(--secondary);
  border-radius: 2px;
}

/* Header Actions */
.header-actions {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.btn-auth {
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-block;
}

.btn-login {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-login:hover {
  background-color: var(--primary);
  color: var(--white);
}

.btn-signup {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-signup:hover {
  background-color: #c4923f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--white);
  border-bottom: 1px solid var(--medium-gray);
  flex-direction: column;
  padding: var(--space-6);
  gap: var(--space-4);
  box-shadow: var(--shadow-lg);
}

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

.mobile-menu a,
.mobile-menu button {
  width: 100%;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border: none;
  background-color: transparent;
  color: var(--dark-gray);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu button:hover {
  background-color: var(--light-gray);
  color: var(--primary);
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--space-12) var(--space-8);
  margin-top: var(--space-16);
}

.footer-wrapper {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-section h3 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--white);
  margin: 0;
  font-weight: var(--fw-bold);
}

.footer-section h4 {
  font-size: var(--text-base);
  font-weight: var(--fw-bold);
  color: var(--white);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  margin: 0;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--secondary);
  text-decoration: underline;
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  text-decoration: none;
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--secondary);
  transform: translateY(-3px);
}

/* Footer Contact Info */
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
}

.contact-icon {
  font-size: var(--text-lg);
}

/* Footer Divider */
.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding-top: var(--space-6);
  margin-top: var(--space-8);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-8);
  align-items: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--secondary);
}

/* Payment Methods */
.payment-methods-display {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.payment-icon {
  font-size: var(--text-xl);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.payment-icon:hover {
  opacity: 1;
}

/* Newsletter Signup */
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.newsletter-input-group {
  display: flex;
  gap: var(--space-2);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--space-2);
}

.newsletter-input-group input {
  flex: 1;
  background-color: transparent;
  border: none;
  color: var(--white);
  font-size: var(--text-sm);
  outline: none;
}

.newsletter-input-group input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-input-group button {
  background-color: var(--secondary);
  border: none;
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: var(--fw-bold);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.newsletter-input-group button:hover {
  background-color: #c4923f;
  transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header-wrapper {
    padding: var(--space-3) var(--space-4);
  }

  nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-actions {
    display: none;
  }

  .logo {
    font-size: var(--text-xl);
  }

  .mobile-menu {
    position: relative;
    top: auto;
    border: none;
    box-shadow: none;
    background-color: var(--off-white);
    border-top: 1px solid var(--medium-gray);
  }

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

  .footer-bottom {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .payment-methods-display {
    justify-content: center;
  }

  .footer-links {
    justify-content: center;
  }

  .header-actions.mobile-visible {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--medium-gray);
  }

  .header-actions.mobile-visible .btn-auth {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .header-wrapper {
    padding: var(--space-2) var(--space-3);
  }

  .logo {
    font-size: var(--text-lg);
  }

  .logo-icon {
    font-size: var(--text-2xl);
  }

  .footer-content {
    gap: var(--space-6);
  }

  .footer-section {
    gap: var(--space-3);
  }

  .footer-section h3 {
    font-size: var(--text-lg);
  }

  .footer-section h4 {
    font-size: var(--text-sm);
  }

  .contact-item {
    font-size: var(--text-xs);
  }

  .footer-divider {
    padding-top: var(--space-4);
    margin-top: var(--space-6);
  }

  .newsletter-input-group {
    flex-direction: column;
  }

  .payment-methods-display {
    gap: var(--space-2);
  }

  .payment-icon {
    font-size: var(--text-base);
  }
}