:root {
  --ocean-dark: #041c32;
  --ocean-deep: #062f4f;
  --turquoise: #08d9d6;
  --glass: rgba(6, 47, 79, 0.45);
  --glass-border: rgba(8, 217, 214, 0.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ocean-dark);
  color: #fff;
  overflow-x: hidden;
}

.glass {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}
.glass-strong {
  background: rgba(4, 28, 50, 0.75);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(8, 217, 214, 0.2);
}
.text-gradient {
  background: linear-gradient(135deg, #fff 0%, #08d9d6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #08d9d6 0%, #06b8b5 100%);
  color: #041c32;
  font-weight: 600;
  border-radius: 9999px;
  padding: 0.875rem 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(8, 217, 214, 0.3);
  text-decoration: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(8, 217, 214, 0.5); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-weight: 500;
  border-radius: 9999px;
  padding: 0.875rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-secondary:hover { border-color: #08d9d6; color: #08d9d6; }
.section-padding { padding: 6rem 1.5rem; }
@media (min-width: 768px) { .section-padding { padding: 8rem 2rem; } }

.ocean-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, #041C32 0%, #062F4F 35%, #041C32 70%, #021018 100%);
  pointer-events: none;
}
.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(8, 217, 214, 0.15);
  animation: bubble-rise linear infinite;
}
@keyframes bubble-rise {
  0% { transform: translateY(0) scale(1); opacity: 0.5; }
  100% { transform: translateY(-100vh) scale(1.2); opacity: 0; }
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}
.animate-scroll-bounce { animation: scroll-bounce 2s ease-in-out infinite; }
.reveal { opacity: 1; transform: translateY(0); transition: opacity 0.7s ease, transform 0.7s ease; }
.js-ready .reveal { opacity: 0; transform: translateY(30px); }
.js-ready .reveal.visible { opacity: 1; transform: translateY(0); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #041c32; }
::-webkit-scrollbar-thumb { background: #08d9d6; border-radius: 3px; }

.whatsapp-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 40;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform 0.3s;
}
.whatsapp-btn:hover { transform: scale(1.1); }

.aspect-tall { grid-row: span 2; }
.aspect-wide { grid-column: span 2; }
