.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  position: relative;
}

.footer-top {
  padding: 80px 0 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 16px 0 20px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1rem;
}

.footer-logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}

.footer-logo-text span {
  color: var(--primary);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-newsletter p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
  line-height: 1.6;
}

.footer-newsletter-form {
  display: flex;
  gap: 8px;
}

.footer-newsletter-form input {
  flex: 1;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
}

.footer-newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.footer-newsletter-form input:focus {
  border-color: var(--primary);
}

.footer-newsletter-form .btn {
  padding: 10px 16px;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom-inner p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

.back-to-top {
  position: absolute;
  top: -24px;
  right: 40px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-newsletter-form {
    flex-direction: column;
  }

  .back-to-top {
    right: 20px;
  }
}