/* ========== FOOTER BASE ========== */
.site-footer {
  position: relative;
  background: #0a2a66; /* dark blue main */
  color: #ffffff;
  padding: 60px 24px 20px;
  font-size: 0.95rem;
  overflow: hidden;
}

.site-footer h4 {
  margin-bottom: 14px;
  font-size: 1.2rem;
  position: relative;
  display: inline-block;
  color: #FFD700; /* gold accent */
}

.site-footer h4::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, #FFD700, #D32F2F); /* gold → red gradient */
  margin-top: 4px;
  border-radius: 2px;
}

/* Paragraphs */
.site-footer p {
  margin: 6px 0;
  line-height: 1.6;
  color: #ffffff;
}

.site-footer a {
  color: #FFD700;
  text-decoration: none;
  transition: all 0.3s ease;
}

.site-footer a:hover {
  color: #D32F2F; /* red highlight */
  text-decoration: underline;
}

/* Footer Bottom */
.footer-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 15px;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 0.85rem;
  color: #ccc;
}

.footer-bottom .highlight {
  color: #FFD700;
  font-weight: 600;
  text-shadow: 0 0 6px rgba(255, 215, 0, 0.5);
}

/* Social Links */
.footer-social .social-links {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.footer-social .social-links a {
  display: inline-flex;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.footer-social .social-links a img {
  width: 28px;
  height: 28px;
  filter: invert(1);
  transition: all 0.3s ease;
}

.footer-social .social-links a:hover img {
  filter: invert(0.9) sepia(1) saturate(5) hue-rotate(-20deg); /* gold-red glow */
  transform: scale(1.2) rotate(10deg);
}

/* Grid layout */
.footer-about, .footer-contact, .footer-social {
  margin-bottom: 30px;
}

@media (min-width: 768px) {
  .container.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-footer {
    text-align: center;
  }
  
  .footer-social .social-links {
    justify-content: center;
  }
}

/* ========== FOOTER WAVE ========== */
.footer-wave {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  pointer-events: none;
  z-index: 1;
}

.footer-wave svg {
  position: relative;
  display: block;
  width: 200%;
  height: 120px;
  animation: waveMove 8s linear infinite;
}

.footer-wave path {
  fill: rgba(255, 215, 0, 0.15); /* gold with transparency */
  animation: wavePath 6s ease-in-out infinite alternate;
}

/* Animate wave horizontal movement */
@keyframes waveMove {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Animate wave shape for flowing motion */
@keyframes wavePath {
  0% { d: path("M0,40 C360,100 1080,-20 1440,40 L1440,120 L0,120 Z"); }
  50% { d: path("M0,50 C360,110 1080,-30 1440,50 L1440,120 L0,120 Z"); }
  100% { d: path("M0,40 C360,100 1080,-20 1440,40 L1440,120 L0,120 Z"); }
}