/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

/* Geometric shapes */
.geo-shape {
  position: absolute;
  opacity: 0.15;
  pointer-events: none;
}

.geo-circle-1 {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.5) 0%, transparent 70%);
  top: 10%;
  left: -5%;
  animation: float 8s ease-in-out infinite;
}

.geo-circle-2 {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.4) 0%, transparent 70%);
  bottom: 15%;
  right: 5%;
  animation: float 6s ease-in-out infinite reverse;
}

.geo-circle-3 {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: 40%;
  right: 15%;
  animation: float 10s ease-in-out infinite;
}

.geo-square-1 {
  width: 120px;
  height: 120px;
  border: 3px solid rgba(20, 184, 166, 0.4);
  top: 25%;
  right: 15%;
  transform: rotate(45deg);
  animation: spin-slow 20s linear infinite;
}

.geo-square-2 {
  width: 80px;
  height: 80px;
  border: 2px solid rgba(45, 212, 191, 0.3);
  bottom: 25%;
  left: 10%;
  transform: rotate(20deg);
  animation: spin-slow 15s 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(20, 184, 166, 0.2);
  top: 60%;
  left: 5%;
  animation: float 7s ease-in-out infinite;
}

.geo-dots {
  width: 200px;
  height: 200px;
  background-image: radial-gradient(circle, rgba(20, 184, 166, 0.3) 1px, transparent 1px);
  background-size: 20px 20px;
  top: 20%;
  right: 25%;
}

.geo-diamond-1 {
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.05);
  top: 10%;
  right: 5%;
  transform: rotate(45deg);
}

.geo-diamond-2 {
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  bottom: 15%;
  left: 10%;
  transform: rotate(30deg);
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes spin-slow {
  from { transform: rotate(45deg); }
  to { transform: rotate(405deg); }
}

/* Scroll reveal */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
  }
}

/* Mobile menu */
.menu-line {
  display: block;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #14b8a6; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2dd4bf; }