/* === AI Telefon — Custom Animations & Effects === */

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

/* Gradient animation for hero */
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-gradient {
  background: linear-gradient(-45deg, #6366f1, #8b5cf6, #06b6d4, #6366f1);
  background-size: 400% 400%;
  animation: gradient-shift 12s ease infinite;
}

/* Glow effect */
.glow {
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}
.dark .glow {
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.2);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.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; }

/* Feature card hover */
.feature-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}
.dark .feature-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}


/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.float { animation: float 4s ease-in-out infinite; }
.float-delay { animation: float 4s ease-in-out 1s infinite; }

/* Pulse dot */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.pulse-dot {
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Counter animation handled by JS */
.counter { font-variant-numeric: tabular-nums; }

/* FAQ accordion transition */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-answer.open {
  max-height: 500px;
}

/* Subtle grid pattern for sections */
.grid-pattern {
  background-image: radial-gradient(circle at 1px 1px, rgba(99, 102, 241, 0.08) 1px, transparent 0);
  background-size: 32px 32px;
}
.dark .grid-pattern {
  background-image: radial-gradient(circle at 1px 1px, rgba(99, 102, 241, 0.15) 1px, transparent 0);
}

/* Nav blur backdrop */
.nav-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* CTA shimmer */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.btn-shimmer {
  background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4, #8b5cf6, #6366f1);
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
}

/* Phone mockup ring animation */
@keyframes ring {
  0%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(6deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(0deg); }
}
.ring-animation { animation: ring 3s ease-in-out 2s infinite; }