/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), padding var(--transition-normal);
  padding: var(--spacing-lg) 0;
}

/* Header state when page scrolled */
.site-header.scrolled {
  background-color: var(--glass-bg-dark);
  border-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-md);
  backdrop-filter: var(--glass-backdrop);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Brand Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-family-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-light);
  letter-spacing: 1px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  fill: var(--color-accent-gold);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

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

.site-header.scrolled .logo {
  color: var(--color-text-light);
}

/* Nav Menu (Desktop) */
.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-light);
  position: relative;
  padding: var(--spacing-xs) 0;
  letter-spacing: 0.5px;
}

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

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

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

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

/* Hamburger Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text-light);
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

/* Contact Button on Header */
.header-cta {
  display: inline-block;
}

/* Responsive navigation styles */
@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-primary-dark);
    flex-direction: column;
    padding: 8rem var(--spacing-xl) var(--spacing-xl);
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hamburger transform when menu open */
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .header-cta {
    display: none; /* Hide standard CTA in header on tablet/mobile */
  }
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  border-top: 4px solid var(--color-accent-teal);
  position: relative;
  overflow: hidden;
}

/* Wave graphic at top of footer (Optional styling) */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-teal), var(--color-accent-blue), var(--color-accent-gold));
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.footer-info-logo {
  font-family: var(--font-family-headings);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-info-logo span {
  color: var(--color-accent-teal);
}

.footer-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
  max-width: 320px;
}

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

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.social-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-light);
}

.social-icon:hover {
  background-color: var(--color-accent-teal);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-accent-gold);
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-gold);
  padding-left: 5px;
}

.footer-contact-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.footer-contact-item svg {
  width: 20px;
  height: 20px;
  fill: var(--color-accent-teal);
  flex-shrink: 0;
}

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

.newsletter-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--color-accent-teal);
}

/* Certification Grid */
.certifications-section {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.cert-logos {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.cert-logo {
  height: 45px;
  filter: grayscale(1) brightness(1.5) contrast(1);
  opacity: 0.7;
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.cert-logo:hover {
  filter: grayscale(0) brightness(1);
  opacity: 1;
}

.copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Responsive Footer */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .certifications-section {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cert-logos {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
}


/* ===== Northern Star Food official branding ===== */
.logo { flex: 0 0 auto; line-height: 0; }
.brand-logo { width: 225px; height: auto; max-height: 68px; object-fit: contain; filter: drop-shadow(0 2px 8px rgba(0,0,0,.2)); }
.site-header.scrolled .brand-logo { max-height: 56px; }
.nav-menu { gap: 1.25rem; }
.footer-info-logo { display: inline-flex; background: #fff; padding: 10px 13px; border-radius: 12px; margin-bottom: var(--spacing-md); }
.footer-brand-logo { width: 220px; height: auto; }
.footer-socials { flex-direction: column; gap: 8px; align-items: flex-start; }
.social-contact { color: #dbe5ea; font-size: .84rem; display: flex; flex-wrap: wrap; gap: 7px; align-items: baseline; }
.social-contact span { color: #fff; font-weight: 800; min-width: 72px; }
.social-contact:hover { color: var(--color-accent-gold); }
.floating-whatsapp { position: fixed; z-index: 1100; right: 22px; bottom: 22px; background: #25D366; color: #fff; border-radius: 999px; padding: 13px 18px; font-weight: 800; font-size: .9rem; box-shadow: 0 12px 30px rgba(0,0,0,.24); transition: transform .2s ease, box-shadow .2s ease; }
.floating-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,0,0,.28); }
@media (max-width: 1180px) { .brand-logo { width: 190px; } .nav-menu { gap: .9rem; } }
@media (max-width: 992px) { .brand-logo { width: 195px; max-height: 62px; } }
@media (max-width: 576px) { .brand-logo { width: 165px; } .floating-whatsapp { right: 14px; bottom: 14px; padding: 12px 15px; } }