/* ==========================================================================
   EarthCone Home Nursing - Ultra Premium Custom Styles & Design System
   ========================================================================== */

:root {
  --primary-teal: #0d9488;
  --primary-teal-dark: #0f766e;
  --primary-cyan: #0284c7;
  --accent-emerald: #10b981;
  --trust-navy: #0f172a;
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-dark-bg: rgba(15, 23, 42, 0.75);
  --glass-dark-border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.06), 0 0 1px 1px rgba(15, 23, 42, 0.04);
  --card-hover-shadow: 0 25px 50px -12px rgba(13, 148, 136, 0.22), 0 0 1px 1px rgba(13, 148, 136, 0.12);
}

/* Base Smoothness */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #334155;
  background-color: #f8fafc;
  overflow-x: hidden;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

.glass-panel-dark {
  background: var(--glass-dark-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-dark-border);
}

/* Glowing Ambient Gradients */
.ambient-glow-teal {
  position: absolute;
  width: 500px;
  max-width: 90vw;
  height: 500px;
  max-height: 90vw;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.18) 0%, rgba(2, 132, 199, 0.08) 40%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-blue {
  position: absolute;
  width: 450px;
  max-width: 90vw;
  height: 450px;
  max-height: 90vw;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.16) 0%, rgba(59, 130, 246, 0.06) 45%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

/* High-Converting Mesh Background */
.mesh-gradient-bg {
  background-color: #f8fafc;
  background-image: 
    radial-gradient(at 0% 0%, rgba(13, 148, 136, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(2, 132, 199, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
}

/* Card Transitions & Hover Effects */
.interactive-card {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--card-shadow);
}

.interactive-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--card-hover-shadow);
  border-color: rgba(13, 148, 136, 0.4);
}

/* Gradient Text Shimmer */
.shimmer-text {
  background: linear-gradient(135deg, #0f172a 0%, #0d9488 50%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.shimmer-text-teal {
  background: linear-gradient(135deg, #0d9488 0%, #06b6d4 50%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Custom Pulsing WhatsApp Ring */
.whatsapp-pulse-ring {
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-green {
  to {
    box-shadow: 0 0 0 22px rgba(16, 185, 129, 0);
  }
}

/* Button Shimmer Effect on Hover */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(30deg) translateX(-100%);
  transition: transform 0.75s ease;
}

.btn-shimmer:hover::after {
  transform: rotate(30deg) translateX(100%);
}

/* Price Calculator Slider / Radio Active States */
.plan-radio:checked + label {
  border-color: #0d9488;
  background-color: #f0fdfa;
  box-shadow: 0 10px 25px -5px rgba(13, 148, 136, 0.15);
}

/* Scroll Progress Bar */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3.5px;
  background: linear-gradient(to right, #0d9488, #0284c7, #10b981);
  z-index: 100;
  transition: width 0.1s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #0d9488;
}