/* ==========================================================================
   DERMA CLINIC - 3D LUXURY MEDICAL AESTHETICS STYLES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Tajawal:wght@300;400;500;700;900&display=swap');

:root {
  --primary-dark: #07151e;
  --primary-slate: #0c2331;
  --primary-teal: #0d9488;
  --teal-glow: #14b8a6;
  --accent-gold: #eab308;
  --accent-rose: #f43f5e;
  --accent-soft-rose: #fda4af;
  --glass-bg: rgba(12, 35, 49, 0.7);
  --glass-border: rgba(20, 184, 166, 0.2);
  --glass-glow: rgba(20, 184, 166, 0.15);
}

* {
  font-family: 'Cairo', 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: #050e14;
  color: #e2e8f0;
  overflow-x: hidden;
  direction: rtl;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #07151e;
}
::-webkit-scrollbar-thumb {
  background: #0d9488;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #14b8a6;
}

/* Glassmorphism Styles */
.glass-panel {
  background: rgba(12, 35, 49, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.glass-card {
  background: linear-gradient(135deg, rgba(15, 43, 60, 0.6) 0%, rgba(7, 21, 30, 0.8) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(20, 184, 166, 0.15);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: rgba(20, 184, 166, 0.5);
  box-shadow: 0 15px 35px -10px rgba(20, 184, 166, 0.25), 0 0 20px rgba(20, 184, 166, 0.15);
  transform: translateY(-5px);
}

/* 3D Perspective & Tilt Container */
.perspective-container {
  perspective: 1200px;
}

.tilt-element {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, box-shadow 0.25s ease;
  will-change: transform;
}

.tilt-inner {
  transform: translateZ(30px);
}

/* Floating Animations */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(1.5deg);
  }
}

@keyframes floatReverse {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(12px) rotate(-1.5deg);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.08);
  }
}

.animate-float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-float-reverse {
  animation: floatReverse 7s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 4s ease-in-out infinite;
}

/* Three.js Canvas Overlay & Background */
#canvas3d-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 1;
}

/* Glowing text and borders */
.text-glow-teal {
  text-shadow: 0 0 20px rgba(20, 184, 166, 0.6), 0 0 40px rgba(20, 184, 166, 0.3);
}

.text-glow-gold {
  text-shadow: 0 0 20px rgba(234, 179, 8, 0.5), 0 0 35px rgba(234, 179, 8, 0.2);
}

.text-glow-rose {
  text-shadow: 0 0 20px rgba(244, 63, 94, 0.5);
}

/* Laser Beam Scan Effect on Tech Cards */
.laser-card {
  position: relative;
  overflow: hidden;
}

.laser-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #14b8a6, #38bdf8, #14b8a6, transparent);
  box-shadow: 0 0 15px #14b8a6, 0 0 30px #38bdf8;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.laser-card:hover::after {
  opacity: 1;
  animation: scanLaser 2.2s linear infinite;
}

@keyframes scanLaser {
  0% {
    top: -5%;
  }
  100% {
    top: 105%;
  }
}

/* Before & After Interactive Slider */
.ba-container {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  border-radius: 1.25rem;
  user-select: none;
  cursor: ew-resize;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.ba-image-before,
.ba-image-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-image-before {
  z-index: 1;
}

.ba-image-after-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}

.ba-image-after-wrapper .ba-image-after {
  width: 100%;
  min-width: 100%;
  height: 100%;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: #ffffff;
  z-index: 10;
  transform: translateX(-50%);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.8), 0 0 10px #14b8a6;
}

.ba-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  background: #0f766e;
  border: 3px solid #ffffff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5), 0 0 20px rgba(20, 184, 166, 0.6);
}

/* 3D Skin Layer Explorer */
.skin-layer {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
}

.skin-layer.active {
  transform: translateX(-10px) scale(1.02);
  border-color: #14b8a6;
  background: rgba(20, 184, 166, 0.15);
  box-shadow: 0 0 25px rgba(20, 184, 166, 0.3);
}

.skin-layer::before {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 0%;
  background: #14b8a6;
  border-radius: 2px;
  transition: height 0.3s ease;
}

.skin-layer.active::before {
  height: 80%;
}

/* Custom Gradient Badges */
.badge-luxury {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.15) 0%, rgba(20, 184, 166, 0.15) 100%);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #fef08a;
}

.badge-teal {
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.3);
  color: #5eead4;
}

/* Accordion Smooth Height */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
}

.faq-item.open .faq-content {
  max-height: 300px;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  color: #14b8a6;
}

/* Radio Card Selector for Quiz */
.quiz-option {
  transition: all 0.25s ease;
  cursor: pointer;
}

.quiz-option:hover {
  border-color: rgba(20, 184, 166, 0.5);
  background: rgba(15, 43, 60, 0.8);
}

.quiz-option.selected {
  border-color: #14b8a6;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.2) 0%, rgba(12, 35, 49, 0.9) 100%);
  box-shadow: 0 0 20px rgba(20, 184, 166, 0.25);
}

/* WhatsApp Floating Button */
.whatsapp-btn {
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  animation: pulseWa 2.5s infinite;
}

@keyframes pulseWa {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Shimmer Light effect for CTA */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::before {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-25deg);
  animation: shimmerBtn 3.5s infinite;
}

@keyframes shimmerBtn {
  0% {
    left: -150%;
  }
  30%, 100% {
    left: 150%;
  }
}

/* Mobile Nav Drawer */
#mobile-menu {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

#mobile-menu.hidden-menu {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

#mobile-menu.active-menu {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}