footer {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 1.5rem;
  margin-top: 4rem;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 2rem;
}

.footer-col h4 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.25rem;
  letter-spacing: 1.5px;
  color: var(--text);
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Brand section */
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  cursor: pointer;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 8px rgba(37, 99, 235, 0.4));
}

.footer-logo-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.75rem;
  letter-spacing: 2px;
  color: var(--accent);
}

.footer-bio {
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 2rem;
}

/* Links */
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

/* Contact */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text2);
  font-size: 0.88rem;
}

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

/* Socials */
.footer-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
}

.social-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 6px 15px rgba(37, 99, 235, 0.3);
}

/* Bottom bar */
.footer-bottom {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text3);
  font-size: 0.78rem;
}

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

.footer-bottom-links a {
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom-links a:hover {
  color: var(--text2);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  footer {
    padding: 3rem 1.5rem 1.5rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Back to Top Button */
.back-to-top {
  position: absolute;
  top: -20px;
  right: calc(50% - 20px);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.back-to-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Newsletter Form */
.footer-newsletter {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface2);
  transition: border-color 0.2s;
}

.footer-newsletter:focus-within {
  border-color: var(--accent);
}

.footer-news-input {
  background: transparent;
  border: none;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 0.82rem;
  width: 100%;
  outline: none;
}

.footer-news-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0 0.8rem;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-news-btn:hover {
  opacity: 0.9;
}