/* ========================================
   SONN.AR Landing Page Styles
   "The Living Signal" Aesthetic
   ======================================== */

/* ========================================
   Custom Utilities
   ======================================== */

/* Control Room Headers - ALL CAPS with wide tracking */
.heading-control {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Glassmorphism */
.glass {
  background: rgba(18, 18, 22, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-nav {
  background: rgba(5, 5, 7, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-card {
  background: rgba(18, 18, 22, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 2rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
}

.glass-card-lg {
  background: rgba(18, 18, 22, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  padding: 4rem 2rem;
}

/* Radial Gradient */
.bg-gradient-radial {
  background: radial-gradient(circle, var(--tw-gradient-stops));
}

/* ========================================
   Buttons
   ======================================== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background: #00F0FF;
  color: #050507;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: #33f3ff;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: #E0E6ED;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 240, 255, 0.3);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 0.875rem;
}

/* ========================================
   Animations
   ======================================== */

/* Breathing Pulse */
@keyframes breathe {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.9);
  }
}

.animate-breathe {
  animation: breathe 2s ease-in-out infinite;
}

/* Ripple Effect */
@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.4;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.animate-ripple {
  animation: ripple 2s ease-out infinite;
}

/* Radar Rings */
@keyframes radar-1 {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes radar-2 {
  0% {
    transform: scale(1);
    opacity: 0.2;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@keyframes radar-3 {
  0% {
    transform: scale(1);
    opacity: 0.15;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.animate-radar-1 {
  animation: radar-1 4s ease-out infinite;
}

.animate-radar-2 {
  animation: radar-2 4s ease-out infinite 0.5s;
}

.animate-radar-3 {
  animation: radar-3 4s ease-out infinite 1s;
}

/* Ping Animation (built-in Tailwind, but ensuring it's smooth) */
@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.animate-ping {
  animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* ========================================
   Scrollbar Styling
   ======================================== */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #050507;
}

::-webkit-scrollbar-thumb {
  background: #1a1a1f;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6B7280;
}

/* ========================================
   Smooth Scroll
   ======================================== */

html {
  scroll-behavior: smooth;
}

/* ========================================
   Selection
   ======================================== */

::selection {
  background: rgba(0, 240, 255, 0.3);
  color: #E0E6ED;
}

/* ========================================
   Focus States
   ======================================== */

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(0, 240, 255, 0.5);
  outline-offset: 2px;
}