/* CYMOR Super Speciality Dental Clinic - Particles, Text & Transition System */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  --primary: #00666c;
  --primary-hover: #005256;
  --primary-light: #e0f2f1;
  --primary-subtle: #f0fdfa;
  --secondary: #ba0222;
  --secondary-hover: #9c021c;
  --surface-base: #fafbfc;
  --surface-card: #ffffff;
  --surface-tint: #f4f9f9;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border-subtle: #e2e8f0;
  --border-teal: #ccfbf1;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--surface-base);
}

body {
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* ==================== PARTICLE CANVAS ==================== */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.85;
}

/* Ensure content sits cleanly above the ambient particle canvas */
main, footer, aside, .modal-backdrop, #toast-container {
  position: relative;
  z-index: 10;
}

/* ==================== TEXT TRANSITION & REVEAL ANIMATIONS ==================== */

/* Text Shimmer Effect for Brand Accents */
@keyframes textShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.text-shimmer {
  color: #00666c;
  background: linear-gradient(90deg, #00666c 0%, #00897b 35%, #0284c7 50%, #00897b 65%, #00666c 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textShimmer 6s linear infinite;
  display: inline-block;
}

/* Animated Text Underline Expander */
.hover-underline-animate {
  position: relative;
  display: inline-block;
}
.hover-underline-animate::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary);
  transform-origin: bottom right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hover-underline-animate:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* Smooth Typography Transitions on Hover */
h1, h2, h3, h4, h5, h6, p, span, a, label {
  transition: color 0.25s ease, opacity 0.25s ease, transform 0.25s ease;
}

/* Section Heading Reveal Effect */
.reveal-text {
  opacity: 1; /* Default to visible for robustness */
  transform: translateY(0);
  filter: blur(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal .reveal-text:not(.reveal-active) {
  opacity: 0;
  transform: translateY(16px);
}

.reveal-text.reveal-active {
  opacity: 1 !important;
  transform: translateY(0) !important;
  filter: blur(0) !important;
}

/* ==================== GLOBAL SCROLL REVEAL ANIMATIONS ==================== */

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.js-reveal .reveal:not(.reveal-active) {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.reveal-active {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.reveal-left {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal .reveal-left:not(.reveal-active) {
  opacity: 0;
  transform: translateX(-24px);
}

.reveal-left.reveal-active {
  opacity: 1 !important;
  transform: translateX(0) !important;
}

.reveal-right {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal .reveal-right:not(.reveal-active) {
  opacity: 0;
  transform: translateX(24px);
}

.reveal-right.reveal-active {
  opacity: 1 !important;
  transform: translateX(0) !important;
}

.reveal-scale {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-reveal .reveal-scale:not(.reveal-active) {
  opacity: 0;
  transform: scale(0.95);
}

.reveal-scale.reveal-active {
  opacity: 1 !important;
  transform: scale(1) !important;
}

/* Stagger Delay Helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Floating Element Animations */
@keyframes floatAnim {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(0.5deg);
  }
}

.animate-float {
  animation: floatAnim 4s ease-in-out infinite;
}

.animate-float-delayed {
  animation: floatAnim 4.5s ease-in-out infinite 1.5s;
}

/* Ambient Pulse Animations */
@keyframes emergencyPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(186, 2, 34, 0.5);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(186, 2, 34, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(186, 2, 34, 0);
  }
}

.emergency-pulse {
  animation: emergencyPulse 2.2s infinite;
}

/* Micro-interaction Hover Lift */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 36px -8px rgba(0, 102, 108, 0.14), 0 8px 12px -4px rgba(15, 23, 42, 0.04);
}

/* Button Click Press Effect */
button, .btn-action {
  transition: transform 0.18s ease, background-color 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
button:active, .btn-action:active {
  transform: scale(0.96);
}

/* Glassmorphism Header */
.glass-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  transition: all 0.25s ease;
}

header.header-scrolled .glass-header {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px -2px rgba(0, 102, 108, 0.12), 0 2px 6px -1px rgba(15, 23, 42, 0.05);
  border-bottom-color: rgba(204, 251, 241, 0.9);
}

/* Button & CTA Perfect Vertical Centering */
button, a.btn-action, a[role="button"], a[class*="rounded-full"] {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

button .material-symbols-outlined,
a .material-symbols-outlined {
  line-height: 1 !important;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Modal Animations */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 0.3s ease;
}

.modal-content {
  animation: modalPop 0.32s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
  0% {
    opacity: 0;
    transform: scale(0.94) translateY(12px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Custom Scrollbar */
.modal-scroll::-webkit-scrollbar {
  width: 6px;
  display: block;
}
.modal-scroll::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 9999px;
}
.modal-scroll::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
.modal-scroll::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Before After Comparison Range Slider */
#comparison-range {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: ew-resize;
  touch-action: pan-y;
}
#comparison-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 56px;
  height: 56px;
  background: transparent;
  cursor: ew-resize;
}
#comparison-range::-moz-range-thumb {
  width: 56px;
  height: 56px;
  background: transparent;
  border: none;
  cursor: ew-resize;
}

/* Case Gallery Cards Styling */
.case-card {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -6px rgba(0, 102, 108, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 102, 108, 0.25);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #00666c;
  border-radius: 1rem;
  padding: 0.875rem 1.125rem;
  box-shadow: 0 14px 30px -4px rgba(15, 23, 42, 0.12);
  display: flex;
  align-items: center;
  gap: 0.875rem;
  animation: toastSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-item.error {
  border-left-color: #ba0222;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* Material Symbols vertical alignment */
.material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  line-height: 1;
}

/* Form input focus styles */
input, select, textarea {
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: #00666c !important;
  box-shadow: 0 0 0 3px rgba(0, 102, 108, 0.15) !important;
}

/* Dot Pattern Background */
.bg-dot-pattern {
  background-image: radial-gradient(#00666c 1.2px, transparent 1.2px);
  background-size: 20px 20px;
}

/* Hide scrollbar for clean mobile pill carousels */
.scrollbar-none::-webkit-scrollbar {
  display: none;
}
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Mobile Touch Slider Optimization */
#comparison-container {
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

* {
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 4.5rem;
  }
}

/* Print Styles */
@media print {
  body * {
    visibility: hidden;
  }
  #appointment-receipt-modal, #appointment-receipt-modal * {
    visibility: visible;
  }
  #appointment-receipt-modal {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: transparent !important;
  }
  .no-print {
    display: none !important;
  }
}

/* ==================== CYMOR WELCOME / LOADING SCREEN ==================== */
#cymor-welcome-screen {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.65s ease;
  will-change: opacity, visibility;
  cursor: pointer;
}

#cymor-welcome-screen.welcome-dismissed {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Logo & Subtitle Entrance */
.welcome-logo-container {
  animation: welcomeLogoIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes welcomeLogoIn {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.96);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 1. Tooth Outline Drawing */
.tooth-draw-path {
  stroke-dasharray: 240;
  stroke-dashoffset: 240;
  animation: drawToothStroke 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.15s forwards;
}

@keyframes drawToothStroke {
  0% {
    stroke-dashoffset: 240;
    opacity: 0.2;
  }
  30% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

/* 2. Sparkle / Glint Traveling */
.tooth-sparkle-glint {
  opacity: 0;
  transform-origin: center;
  animation: sparkleTravel 0.85s cubic-bezier(0.25, 1, 0.5, 1) 0.75s forwards;
}

@keyframes sparkleTravel {
  0% {
    opacity: 0;
    transform: translate(26px, 28px) scale(0.3) rotate(0deg);
  }
  25% {
    opacity: 1;
    transform: translate(38px, 22px) scale(1.2) rotate(45deg);
  }
  60% {
    opacity: 1;
    transform: translate(58px, 23px) scale(1.25) rotate(90deg);
  }
  85% {
    opacity: 0.85;
    transform: translate(70px, 28px) scale(0.8) rotate(135deg);
  }
  100% {
    opacity: 0;
    transform: translate(75px, 32px) scale(0.2) rotate(180deg);
  }
}

/* 3. Tooth Fading Out to Smile Curve */
.tooth-vector-group {
  animation: fadeOutTooth 0.5s ease-in-out 1.25s forwards;
}

@keyframes fadeOutTooth {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.95);
  }
}

/* 4. Smile Curve Emerging */
.smile-curve-vector {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  opacity: 0;
  animation: drawSmileArc 0.65s cubic-bezier(0.16, 1, 0.3, 1) 1.25s forwards, fadeOutSmileArc 0.35s ease 2.05s forwards;
}

@keyframes drawSmileArc {
  0% {
    stroke-dashoffset: 100;
    opacity: 0;
    transform: translateY(6px);
  }
  30% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOutSmileArc {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(2px);
  }
}

.smile-dot-accent {
  opacity: 0;
  animation: popSmileDot 0.4s cubic-bezier(0.16, 1, 0.3, 1) 1.55s forwards, fadeOutSmileArc 0.35s ease 2.05s forwards;
}

@keyframes popSmileDot {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* 5. Minimal Progress Indicator */
.welcome-progress-track {
  opacity: 0;
  transform: translateY(4px);
  animation: showWelcomeProgress 0.35s ease 1.35s forwards, hideWelcomeProgress 0.35s ease 2.15s forwards;
}

@keyframes showWelcomeProgress {
  0% {
    opacity: 0;
    transform: translateY(4px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hideWelcomeProgress {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-2px);
  }
}

.welcome-progress-bar {
  width: 0%;
  animation: fillWelcomeBar 0.75s cubic-bezier(0.4, 0, 0.2, 1) 1.4s forwards;
}

@keyframes fillWelcomeBar {
  0% {
    width: 0%;
  }
  65% {
    width: 80%;
  }
  100% {
    width: 100%;
  }
}

.welcome-status-line {
  animation: fadeInStatus 0.5s ease 0.3s forwards;
}

@keyframes fadeInStatus {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  #cymor-welcome-screen {
    transition: opacity 0.35s ease !important;
  }
  .welcome-logo-container,
  .tooth-draw-path,
  .tooth-sparkle-glint,
  .tooth-vector-group,
  .smile-curve-vector,
  .smile-dot-accent,
  .welcome-progress-track,
  .welcome-progress-bar,
  .welcome-status-line {
    animation: none !important;
    opacity: 1 !important;
    stroke-dashoffset: 0 !important;
    width: 100% !important;
    transform: none !important;
  }
}

/* ========================================================
   BEFORE & AFTER 4-CASE VERTICAL COMPARISON SLIDERS & SCROLL REVEAL
   ======================================================== */
.transformation-case-item {
  position: relative;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal-case {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }
  .scroll-reveal-case.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal-case {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

.case-slider-wrapper {
  position: relative;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

.case-slider-wrapper img {
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

.case-slider-handle {
  touch-action: none;
}

/* ========================================================
   CINEMATIC DENTAL TREATMENT HERO SECTION
   ======================================================== */
.hero-cinematic-bg {
  animation: heroCinematicDrift 24s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes heroCinematicDrift {
  0% {
    transform: scale(1) translate(0, 0);
  }
  50% {
    transform: scale(1.04) translate(-0.5%, -0.5%);
  }
  100% {
    transform: scale(1.02) translate(0.5%, 0.5%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-cinematic-bg {
    animation: none !important;
  }
}

.hero-chip {
  text-decoration: none !important;
  user-select: none;
  -webkit-user-select: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.hero-chip:hover {
  background-color: rgba(255, 255, 255, 0.25) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-cta-btn {
  text-decoration: none !important;
}

.hero-cta-btn:hover {
  transform: translateY(-2px);
}