/* =====================================================
   Footer
   ===================================================== */
.footer {
  background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1e 100%);
  color: var(--color-secondary);
  margin-top: var(--spacing-24);
  position: relative;
  overflow: hidden;
}

/* Footer Top Section */
.footer__top {
  padding: var(--spacing-16) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.footer__top::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(30, 58, 138, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-12);
  position: relative;
  z-index: 1;
}

/* Main Column */
.footer__column--main {
  padding-right: var(--spacing-8);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__logo-image {
  height: 120px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--spacing-4);
}

.footer__brand {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-4);
  background: linear-gradient(135deg, #ffffff 0%, #c9c9c9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__description {
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
  font-size: var(--font-size-sm);
}

.footer__contact-info {
  margin-bottom: var(--spacing-6);
}

.footer__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--color-secondary);
  text-decoration: none;
  padding: var(--spacing-3) var(--spacing-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: var(--transition-all);
}

.footer__phone:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
}

.footer__phone i {
  color: var(--color-accent-400);
  font-size: var(--font-size-lg);
}

.footer__phone span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer__phone strong {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.footer__phone small {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.6);
}

/* Social Links */
.footer__social {
  display: flex;
  gap: var(--spacing-2);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-secondary);
  transition: var(--transition-all);
}

.footer__social-link:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

/* Footer Columns */
.footer__column {
  padding: 0 var(--spacing-4);
}

.footer__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding-bottom: var(--spacing-2);
  border-bottom: 2px solid var(--color-primary);
}

.footer__title i {
  font-size: var(--font-size-sm);
  color: var(--color-accent-400);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: var(--spacing-2);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition-all);
  display: inline-block;
  position: relative;
  padding-left: var(--spacing-3);
}

.footer__links a::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent-400);
  transition: var(--transition-transform);
}

.footer__links a:hover {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.footer__links a:hover::before {
  transform: translateX(3px);
}

/* Footer Middle */
.footer__middle {
  padding: var(--spacing-8) 0;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__banners {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  align-items: center;
}

.footer__banner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3);
  background: transparent;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.footer__banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer__banner img {
  max-height: 90px;
  width: auto;
  object-fit: contain;
}

.footer__features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
}

.footer__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background: transparent;
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  text-decoration: none;
}

.footer__feature:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.footer__feature i {
  font-size: var(--font-size-2xl);
  color: var(--color-accent-400);
}

.footer__feature div {
  display: flex;
  flex-direction: column;
}

.footer__feature strong {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
}

.footer__feature span {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.6);
}

/* Footer Bottom */
.footer__bottom {
  padding: var(--spacing-6) 0;
  background: rgba(0, 0, 0, 0.3);
}

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

.footer__copyright {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer__copyright p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer__address {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.footer__address i {
  color: var(--color-accent-400);
}

.footer__certifications {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.footer__cert-text {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
  }

  .footer__column--main {
    grid-column: 1 / -1;
    padding-right: 0;
    text-align: center;
  }

  .footer__social {
    justify-content: center;
  }

  .footer__phone {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    text-align: center;
  }

  .footer__title {
    justify-content: center;
  }

  .footer__links a {
    padding-left: 0;
  }

  .footer__links a::before {
    display: none;
  }

  .footer__banners {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }

  .footer__features {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }

  .footer__bottom-content {
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
  }

  .footer__certifications {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .footer__features {
    grid-template-columns: 1fr;
  }

  .footer__feature {
    justify-content: center;
    text-align: center;
  }
}