:root {
  --footer-bg: #1e2022;
  --footer-bottom-bg: #141517;
  --footer-heading: #ffffff;
  --footer-text: #b2b7bc;
  --footer-link: #cfd4d8;
  --footer-link-hover: #45a467;
  --accent-green: #3d965d;
  --font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Footer Container */
.site-footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  font-family: var(--font-family);
  position: relative;
  width: 100%;
}

.footer-top {
  padding: 4.5rem 1.5rem 3.5rem;
}

.footer-container {
  max-width: 1360px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px 170px 1fr 280px;
  gap: 2.5rem;
}

/* Common Headings */
.footer-heading {
  color: var(--footer-heading);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 1.4rem;
  letter-spacing: -0.01em;
  position: relative;
}

/* Column 1: Brand & Socials */
.brand-box {
  background: #ffffff;
  padding: 0.85rem 1rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 1.6rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.brand-box img {
  height: 48px;
  width: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}

.social-title {
  color: var(--footer-heading);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #ffffff;
  color: #1e2022;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.social-icon:hover {
  background-color: var(--accent-green);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Footer Navigation Lists */
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-list li a {
  display: inline-flex;
  align-items: baseline;
  color: var(--footer-link);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-list li a:hover {
  color: var(--footer-link-hover);
  transform: translateX(3px);
}

.list-bullet {
  color: var(--accent-green);
  font-weight: 800;
  font-size: 1.05rem;
  margin-right: 0.5rem;
  line-height: 1;
}

/* Services 2-Column Split */
.footer-col-services .services-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Column 4: Contact Us */
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}

.contact-text {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--footer-link);
}

.contact-text a {
  color: var(--footer-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-text a:hover {
  color: var(--footer-link-hover);
}

/* Bottom Bar */
.footer-bottom {
  background-color: var(--footer-bottom-bg);
  padding: 1.1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-container {
  max-width: 1360px;
  margin: 0 auto;
  text-align: center;
}

.copyright-text {
  margin: 0;
  font-size: 0.85rem;
  color: #8c9399;
  letter-spacing: 0.01em;
}

/* Floating Scroll-to-Top Button */
.scroll-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 4px;
  background-color: #0b7bc1;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: background-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
  z-index: 999;
}

.scroll-to-top:hover {
  background-color: #09639c;
  transform: translateY(-2px);
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
  .footer-container {
    grid-template-columns: 220px 140px 1fr 240px;
    gap: 1.75rem;
  }
  .footer-col-services .services-columns {
    gap: 1rem;
  }
}

@media (max-width: 992px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .footer-col-services {
    grid-column: 1 / -1;
  }
}

@media (max-width: 650px) {
  .footer-top {
    padding: 3rem 1.25rem 2.5rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }
  .footer-col-services .services-columns {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}