/* ===== CUSTOM STYLES ===== */

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

/* Geometric shapes */
.geo-shape {
  position: absolute;
  opacity: 0.15;
}

.geo-circle-1 {
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  top: -100px;
  right: -150px;
  animation: float-slow 20s ease-in-out infinite;
}

.geo-circle-2 {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251,191,36,0.4) 0%, transparent 70%);
  bottom: 15%;
  left: -50px;
  animation: float-slow 15s ease-in-out infinite reverse;
}

.geo-circle-3 {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.2) 0%, transparent 70%);
  bottom: -200px;
  right: -100px;
  animation: float-slow 18s ease-in-out infinite;
}

.geo-square-1 {
  width: 120px;
  height: 120px;
  background: rgba(251,191,36,0.3);
  border-radius: 24px;
  top: 20%;
  right: 5%;
  transform: rotate(45deg);
  animation: spin-slow 25s linear infinite;
}

.geo-square-2 {
  width: 80px;
  height: 80px;
  background: rgba(20,184,166,0.3);
  border-radius: 16px;
  top: 10%;
  left: 10%;
  transform: rotate(30deg);
  animation: spin-slow 20s linear infinite reverse;
}

.geo-triangle-1 {
  width: 0;
  height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid rgba(255,255,255,0.1);
  top: 60%;
  left: 5%;
  animation: float-slow 12s ease-in-out infinite;
}

.geo-dots {
  width: 200px;
  height: 200px;
  background-image: radial-gradient(circle, rgba(255,255,255,0.2) 2px, transparent 2px);
  background-size: 20px 20px;
  bottom: 10%;
  right: 15%;
  animation: float-slow 16s ease-in-out infinite reverse;
}

/* Animations */
@keyframes float-slow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Navbar scroll effect */
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* Intersection observer animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Back to top button */
#back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile menu transition */
#mobile-menu {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}