/* ======================================================
   Custom styles complementing Tailwind
   ====================================================== */

/* Glass utility */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 8px 32px rgba(43, 128, 240, 0.1);
}

/* Reveal on scroll — initial hidden state */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-on-scroll.slide-left {
  transform: translateX(-50px);
}
.reveal-on-scroll.slide-right {
  transform: translateX(50px);
}
.reveal-on-scroll.active {
  opacity: 1;
  transform: none !important;
}

/* ---- Light hero background ---- */
.hero-light-bg {
  background: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 35%, #bae6fd 70%, #7dd3fc 100%);
}

/* Wave animations */
.wave-back {
  animation: waveBack 30s linear infinite;
  transform-origin: left center;
}
.wave-front {
  animation: waveFront 20s linear infinite;
  transform-origin: left center;
}
@keyframes waveBack {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes waveFront {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Selection highlight */
::selection {
  background-color: rgba(43, 128, 240, 0.3);
}