/* ==========================================================================
   FIRST FRONT SOLAR ENERGY (FFSE) — Glass Sticky Header & Dark Navy Footer
   ========================================================================== */

/* Fixed Outer Header Wrapper */
.site-header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 10000;
  pointer-events: auto;
  background: #04141F; /* prevents any white stripe behind/under header */
}

/* Header Top Contact Bar */
.header-top-bar {
  background-color: #04141F;
  color: #CBD5E1;
  font-size: 0.8125rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
  height: 38px;
  margin-top: 0;
  transition: margin-top 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  overflow: hidden;
  will-change: margin-top, opacity;
}

.header-top-bar.is-hidden {
  margin-top: -38px !important;
  opacity: 0 !important;
  pointer-events: none !important;
  border-bottom-color: transparent !important;
}

.header-top-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.header-top-group {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.header-top-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-top-item a {
  color: #E2E8F0;
  transition: color var(--transition-fast);
}

.header-top-item a:hover {
  color: var(--color-brand-gold);
}

.header-top-icon {
  width: 15px;
  height: 15px;
  color: var(--color-brand-gold);
  flex-shrink: 0;
}

.header-top-icon.icon-yellow {
  color: var(--color-brand-gold);
}

.header-top-icon.icon-red {
  color: #EF4444;
}

/* Sticky Header Inside Wrapper */
.site-header {
  position: relative;
  width: 100%;
  z-index: 10000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: #04141F;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.35s ease, height 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  height: var(--header-height-scrolled);
  background: #04141F;
  border-bottom-color: rgba(242, 162, 11, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.brand-logo-img {
  height: 70px;
  max-height: 70px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-fast);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.site-header.scrolled .brand-logo-img {
  height: 58px;
  max-height: 58px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  padding: 0.5rem 0;
  position: relative;
  letter-spacing: 0.03em;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand-gold), var(--color-brand-yellow));
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-brand-gold);
}

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

/* Dropdown */
.nav-item-dropdown { position: relative; }
.nav-item-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 290px;
  background: rgba(6, 29, 42, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(242, 162, 11, 0.25);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-rich);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 1050;
}

.dropdown-item {
  display: block;
  padding: 0.65rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #E2E8F0;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(242, 162, 11, 0.12);
  color: var(--color-brand-gold);
  padding-left: 1.65rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

.site-header.nav-open {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: #04141F !important;
  box-shadow: none !important;
  z-index: 9999999 !important;
}

/* Mobile Nav Backdrop Overlay - Disabled to Prevent Dark Page Overlay */
.mobile-nav-backdrop {
  display: none !important;
}

@media (max-width: 1024px) {
  .main-nav {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    background-color: #04141F !important;
    background: #04141F !important;
    border: none !important;
    box-shadow: none !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    padding: 1.25rem 1.5rem 2.5rem !important;
    padding-bottom: calc(2.5rem + env(safe-area-inset-bottom, 0px)) !important;
    gap: 0.25rem !important;
    transform: translateX(100%) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s ease !important;
    z-index: 10000000 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .main-nav.is-open {
    transform: translateX(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .mobile-drawer-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    padding-bottom: 1rem !important;
    margin-bottom: 1rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
  }

  .mobile-drawer-logo img {
    height: 44px !important;
    width: auto !important;
    max-width: 180px !important;
    object-fit: contain !important;
  }

  .mobile-nav-close-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    top: auto !important;
    right: auto !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    border-radius: 50% !important;
    background: var(--color-brand-gold, #F2A20B) !important;
    border: none !important;
    color: #04141F !important;
    font-size: 1.5rem !important;
    font-weight: 900 !important;
    cursor: pointer !important;
    line-height: 1 !important;
    box-shadow: 0 4px 14px rgba(242, 162, 11, 0.4) !important;
    transition: all 0.2s ease !important;
    flex-shrink: 0 !important;
  }

  .mobile-nav-close-btn:hover {
    background: #FFFFFF !important;
    color: var(--color-brand-navy-deep, #04141F) !important;
  }

  .main-nav .nav-link {
    color: #E2E8F0 !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    padding: 0.75rem 0.5rem !important;
    border-radius: var(--radius-md) !important;
    display: block !important;
    width: 100% !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
    transition: all var(--transition-fast) !important;
  }

  .main-nav .nav-link:hover,
  .main-nav .nav-link.active {
    background: rgba(242, 162, 11, 0.12) !important;
    color: var(--color-brand-gold) !important;
    padding-left: 1rem !important;
  }

  .mobile-nav-contact-block {
    display: block !important;
    margin-top: 1rem !important;
    width: 100% !important;
  }

  .mobile-nav-divider {
    height: 1px !important;
    background: rgba(255, 255, 255, 0.12) !important;
    margin-bottom: 1.25rem !important;
  }

  .mobile-nav-heading {
    font-family: var(--font-heading) !important;
    font-size: 0.75rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.12em !important;
    color: var(--color-brand-gold, #F2A20B) !important;
    text-transform: uppercase !important;
    margin-bottom: 0.75rem !important;
  }

  .mobile-nav-subheading {
    display: none !important;
  }

  .mobile-nav-info-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.85rem !important;
    margin-bottom: 1.25rem !important;
  }

  .mobile-nav-info-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    color: #E2E8F0 !important;
    font-size: 0.875rem !important;
    line-height: 1.5 !important;
    overflow-wrap: anywhere !important;
  }

  .mobile-nav-info-item svg {
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    color: var(--color-brand-gold, #F2A20B) !important;
    flex-shrink: 0 !important;
    margin-top: 2px !important;
  }

  .mobile-nav-info-item a {
    color: #E2E8F0 !important;
    font-weight: 600 !important;
    text-decoration: none !important;
  }

  .mobile-nav-info-item a:hover {
    color: var(--color-brand-gold, #F2A20B) !important;
  }

  .mobile-nav-quote-btn {
    width: 100% !important;
    min-height: 46px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 1.5rem !important;
  }

  .mobile-nav-socials {
    display: flex !important;
    align-items: center !important;
    gap: 0.85rem !important;
  }

  .social-circle-btn {
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    max-width: 44px !important;
    max-height: 44px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: #FFFFFF !important;
    display: grid !important;
    place-items: center !important;
    place-content: center !important;
    padding: 0 !important;
    margin: 0 !important;
    line-height: 0 !important;
    font-size: 0 !important;
    box-sizing: border-box !important;
    transition: all 0.2s ease !important;
    text-decoration: none !important;
  }

  .social-circle-btn svg {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
    display: block !important;
    margin: 0 auto !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    position: static !important;
    transform: none !important;
  }

  .social-circle-btn:hover {
    background: var(--color-brand-gold, #F2A20B) !important;
    color: #04141F !important;
  }
}

  .mobile-nav-close-btn:hover {
    background: #EF4444;
    color: #FFFFFF;
    border-color: #EF4444;
    transform: rotate(90deg);
  }
}

@media (max-width: 1024px) {
  .mobile-nav-toggle {
    display: flex;
    position: relative;
    z-index: 1000000;
    pointer-events: auto !important;
    cursor: pointer !important;
  }

  .mobile-nav-toggle * {
    pointer-events: none !important;
  }

  /* Animated Hamburger to X */
  .mobile-nav-toggle.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--color-brand-gold);
  }
  .mobile-nav-toggle.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .mobile-nav-toggle.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--color-brand-gold);
  }

  .header-actions .btn-header-cta {
    display: inline-flex;
    padding: 0.55rem 1rem;
    font-size: 0.8125rem;
  }
}

/* --------------------------------------------------------------------------
   STRICT DESKTOP HEADER & FOOTER RESTORATION (min-width: 1025px)
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) {
  .mobile-nav-toggle,
  .mobile-drawer-header,
  .mobile-nav-contact-block,
  .mobile-nav-close-btn {
    display: none !important;
  }

  .brand-logo-img,
  .brand-logo img,
  .logo img {
    max-height: 70px !important;
    height: 70px !important;
    width: auto !important;
    object-fit: contain !important;
  }

  /* Footer Desktop Left Alignment */
  .site-footer .footer-top {
    display: grid !important;
    grid-template-columns: 2fr 1.1fr 1.2fr 1.3fr !important;
    gap: 3.5rem !important;
    text-align: left !important;
    align-items: flex-start !important;
  }

  .site-footer .footer-top > div {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    text-align: left !important;
  }

  .site-footer .footer-brand,
  .site-footer .footer-widget,
  .site-footer .footer-heading {
    text-align: left !important;
    align-items: flex-start !important;
  }

  .site-footer .footer-links {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    text-align: left !important;
    width: 100% !important;
  }

  .site-footer .footer-link {
    text-align: left !important;
    display: inline-block !important;
    margin-left: 0 !important;
    margin-right: auto !important;
  }

  .site-footer .footer-brand a,
  .site-footer .footer-brand img,
  .site-footer .footer-brand p {
    margin-left: 0 !important;
    margin-right: 0 !important;
    text-align: left !important;
  }

  .site-footer .footer-heading::after {
    left: 0 !important;
    right: auto !important;
    transform: none !important;
  }

  .site-footer .social-links {
    justify-content: flex-start !important;
    margin-left: 0 !important;
  }
}

/* Multi-Column Dark Navy Footer */
.site-footer {
  background-color: var(--color-brand-navy-deep);
  color: #FFFFFF;
  padding-top: 5.5rem;
  padding-bottom: 2.25rem;
  border-top: 1px solid var(--color-border-dark);
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.2fr 1.3fr;
  gap: 3.5rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  color: #94A3B8;
  margin-top: 1.15rem;
  margin-bottom: 1.75rem;
  max-width: 360px;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.35rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-brand-gold);
}

.footer-links { display: flex; flex-direction: column; gap: 0.85rem; }
.footer-link { color: #94A3B8; font-size: 0.925rem; font-weight: 500; transition: all var(--transition-fast); }
.footer-link:hover { color: var(--color-brand-gold); transform: translateX(3px); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
  color: #94A3B8;
  font-size: 0.925rem;
  line-height: 1.6;
}

.footer-contact-icon {
  width: 20px;
  height: 20px;
  color: var(--color-brand-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.social-links { display: flex; gap: 0.85rem; margin-top: 1.25rem; align-items: center; }
.social-icon {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  max-width: 42px !important;
  max-height: 42px !important;
  border-radius: 50% !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #FFFFFF !important;
  display: grid !important;
  place-items: center !important;
  place-content: center !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 0 !important;
  font-size: 0 !important;
  box-sizing: border-box !important;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-decoration: none !important;
}

.social-icon svg {
  width: 20px !important;
  height: 20px !important;
  max-width: 20px !important;
  max-height: 20px !important;
  display: block !important;
  margin: 0 auto !important;
  padding: 0 !important;
  flex-shrink: 0 !important;
  position: static !important;
  transform: none !important;
}

.social-icon:hover {
  background-color: var(--color-brand-gold);
  color: var(--color-brand-navy-deep);
  border-color: var(--color-brand-gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(242, 162, 11, 0.4);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: #94A3B8;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a { color: #94A3B8; }
.footer-legal-links a:hover { color: #FFFFFF; }

.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-float svg { width: 32px; height: 32px; fill: currentColor; }

/* Floating Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 100px; /* above WhatsApp */
  right: 25px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #00A7E1 !important;
  border: 2px solid #00A7E1 !important;
  color: #FFFFFF !important;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 167, 225, 0.4);
  z-index: 999;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-to-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: #0080B3 !important;
  border-color: #0080B3 !important;
  color: #FFFFFF !important;
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 167, 225, 0.5);
}

.back-to-top-btn svg {
  width: 22px;
  height: 22px;
}

/* Mobile: same-size tap targets, vertically aligned */
@media (max-width: 640px) {
  .whatsapp-float,
  .back-to-top-btn {
    width: 48px;
    height: 48px;
    right: 16px;
    border-radius: 50%;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .whatsapp-float {
    bottom: 16px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  }

  .back-to-top-btn {
    bottom: 76px; /* 48px + 12px gap */
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  .back-to-top-btn svg {
    width: 22px;
    height: 22px;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .whatsapp-float,
  .back-to-top-btn {
    width: 50px;
    height: 50px;
    right: 20px;
  }

  .back-to-top-btn {
    bottom: 90px;
  }
}

/* Mobile Nav Contact Block & Social Circles (Hidden on Desktop) */
@media (min-width: 1025px) {
  .mobile-nav-close-btn,
  .mobile-nav-contact-block {
    display: none !important;
  }
}

.mobile-nav-contact-block {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  width: 100%;
}

.mobile-nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin-bottom: 1.5rem;
}

.mobile-nav-heading {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-brand-gold);
  margin-bottom: 0.25rem;
}

.mobile-nav-subheading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.15rem;
}

.mobile-nav-info-list {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #CBD5E1;
  line-height: 1.5;
}

.mobile-nav-info-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-brand-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.mobile-nav-info-item a {
  color: #FFFFFF;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.mobile-nav-info-item a:hover {
  color: var(--color-brand-gold);
}

.mobile-nav-quote-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1rem;
  padding: 0.85rem 1.25rem;
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
}

.mobile-nav-socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.social-circle-btn {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  max-width: 42px !important;
  max-height: 42px !important;
  border-radius: 50% !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: #E2E8F0 !important;
  display: grid !important;
  place-items: center !important;
  place-content: center !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 0 !important;
  font-size: 0 !important;
  box-sizing: border-box !important;
  transition: all var(--transition-fast);
  text-decoration: none !important;
}

.social-circle-btn:hover {
  background: var(--color-brand-gold) !important;
  color: var(--color-brand-navy-deep) !important;
  border-color: var(--color-brand-gold) !important;
  transform: translateY(-2px) !important;
}

.social-circle-btn svg {
  width: 20px !important;
  height: 20px !important;
  max-width: 20px !important;
  max-height: 20px !important;
  display: block !important;
  margin: 0 auto !important;
  padding: 0 !important;
  flex-shrink: 0 !important;
  position: static !important;
  transform: none !important;
}

/* Floating Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 6rem;
  right: 1.75rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-brand-navy-deep);
  border: 2px solid var(--color-brand-gold);
  color: var(--color-brand-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
  z-index: 999;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.back-to-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--color-brand-gold);
  color: var(--color-brand-navy-deep);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(242, 162, 11, 0.4);
}

.back-to-top-btn svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .header-top-location { display: none; }
}

@media (max-width: 640px) {
  :root {
    --header-height: 66px;
    --header-height-scrolled: 60px;
  }

  .site-header {
    top: 0 !important;
    height: 76px !important;
    padding: 0.35rem 0 !important;
  }
  .site-header.scrolled {
    top: 0 !important;
    height: 66px !important;
  }

  .header-top-bar { font-size: 0.75rem; padding: 0.35rem 0; }
  .header-top-container { justify-content: center; gap: 0.85rem; }
  .brand-logo-img { height: 54px !important; max-height: 54px !important; max-width: 220px !important; padding-bottom: 6px !important; }
  .site-header.scrolled .brand-logo-img { height: 48px !important; max-height: 48px !important; }
  .header-actions .btn-header-cta { display: none; }
  
  .mobile-nav-toggle {
    width: 36px;
    height: 34px;
    padding: 8px 7px;
  }

  .main-nav {
    width: 295px;
    max-width: 84vw;
    padding: 3.5rem 1.15rem 2rem;
    gap: 0.15rem;
  }

  .main-nav .nav-link {
    font-size: 1rem;
    padding: 0.55rem 0.4rem;
  }

  .mobile-nav-contact-block {
    margin-top: 1rem;
    padding-top: 0.85rem;
  }

  .mobile-nav-subheading {
    font-size: 1.1rem;
    margin-bottom: 0.85rem;
  }

  .mobile-nav-info-list {
    gap: 0.75rem;
    margin-bottom: 1.15rem;
  }

  .mobile-nav-info-item {
    font-size: 0.825rem;
  }

  .mobile-nav-quote-btn {
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }

  .social-circle-btn {
    width: 36px;
    height: 36px;
  }

  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .back-to-top-btn {
    bottom: 5.5rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
  }
}