/* ==========================================================================
   FIMFORTE SPECIALIST HOSPITAL — MASTER MOTION DESIGN SYSTEM
   Apple / Stripe-Level Craft: Hardware-Accelerated 60fps CSS Transitions
   ========================================================================== */

:root {
  /* Motion Duration Tokens */
  --motion-dur-instant: 120ms;
  --motion-dur-fast:    240ms;
  --motion-dur-normal:  500ms;
  --motion-dur-slow:    750ms;
  --motion-dur-ambient: 14000ms;

  /* Motion Easing Tokens */
  --motion-ease-out:    cubic-bezier(0.16, 1, 0.3, 1);       /* Decisive entrance */
  --motion-ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);    /* Tactile pop */
  --motion-ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);      /* Apple smooth curve */
  --motion-ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);      /* Ambient cycles */

  /* Distance Tokens */
  --motion-offset-sm: 8px;
  --motion-offset-md: 24px;
  --motion-offset-lg: 38px;
}

/* ==========================================================================
   1. HERO ENTRANCE CASCADE (Page Load Stagger)
   ========================================================================== */
@keyframes heroEntranceFadeUp {
  0% {
    opacity: 0;
    transform: translate3d(0, var(--motion-offset-md), 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes heroVisualScaleIn {
  0% {
    opacity: 0;
    transform: scale3d(0.96, 0.96, 1) translate3d(0, var(--motion-offset-md), 0);
  }
  100% {
    opacity: 1;
    transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  }
}

@keyframes heroGlowAura {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.42;
  }
  50% {
    transform: translate3d(-18px, 14px, 0) scale(1.08);
    opacity: 0.62;
  }
}

.hero-glow-blob {
  animation: heroGlowAura var(--motion-dur-ambient) var(--motion-ease-in-out) infinite;
  will-change: transform, opacity;
}

/* Scoped Hero Entrance Animations (Only triggered when JS loads) */
html.js .hero-badge-pill {
  animation: heroEntranceFadeUp var(--motion-dur-normal) var(--motion-ease-smooth) 80ms both;
}

html.js .hero-title {
  animation: heroEntranceFadeUp var(--motion-dur-slow) var(--motion-ease-smooth) 180ms both;
}

html.js .hero-description {
  animation: heroEntranceFadeUp var(--motion-dur-slow) var(--motion-ease-smooth) 280ms both;
}

html.js .hero-actions {
  animation: heroEntranceFadeUp var(--motion-dur-normal) var(--motion-ease-spring) 380ms both;
}

html.js .hero-visual-wrapper {
  animation: heroVisualScaleIn var(--motion-dur-slow) var(--motion-ease-smooth) 200ms both;
}

html.js .widget-hero-hmo {
  animation: heroEntranceFadeUp var(--motion-dur-normal) var(--motion-ease-smooth) 440ms both;
}

/* ==========================================================================
   2. SCROLL REVEAL SYSTEM (IntersectionObserver)
   Zero CLS: Elements reserve exact space; transform & opacity only
   ========================================================================== */
/* Dynamic Interactive Grids are ALWAYS visible (Zero blocking) */
.hmo-cards-grid,
.reviews-grid {
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

html.js .reveal-on-scroll {
  opacity: 0;
  transform: translate3d(0, var(--motion-offset-md), 0);
  transition: opacity var(--motion-dur-normal) var(--motion-ease-smooth),
              transform var(--motion-dur-normal) var(--motion-ease-smooth);
  will-change: opacity, transform;
}

html.js .reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

/* ==========================================================================
   2.1. LUXURY CLINICAL PRELOADER SCREEN (3-Second Timed Experience)
   ========================================================================== */
/* ==========================================================================
   2.1. LUXURY CLINICAL PRELOADER SCREEN (Website Light Theme — 3s)
   ========================================================================== */
.page-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 999999;
  background: radial-gradient(circle at 50% 35%, #E6F5F0 0%, #FAFCFB 75%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 36px);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.55s ease;
  user-select: none;
}

.page-preloader.fade-out {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.page-preloader.navigating {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

/* Minimalist Unboxed Container (Clean & Open responsive layout) */
.preloader-card,
.preloader-content {
  width: 100%;
  max-width: min(1120px, 94vw);
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 0;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.preloader-brand-logo {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: clamp(24px, 4.5vh, 42px);
}

/* Big Responsive Brand Logo Filling the Screen Responsively */
.preloader-logo-img {
  width: 100%;
  max-width: clamp(290px, 84vw, 920px);
  height: auto;
  aspect-ratio: 380 / 68;
  object-fit: contain;
  filter: drop-shadow(0 4px 18px rgba(11, 34, 56, 0.07));
  display: block;
  margin: 0 auto;
  animation: preloaderLogoBreathe 2.8s ease-in-out infinite;
}

@keyframes preloaderLogoBreathe {
  0%, 100% {
    transform: scale(1);
    opacity: 0.98;
  }
  50% {
    transform: scale(1.025);
    opacity: 1;
  }
}

.preloader-status-text {
  font-size: clamp(0.98rem, 2.2vw, 1.25rem);
  font-weight: 700;
  color: var(--brand-navy-900);
  margin-bottom: 20px;
  min-height: 28px;
  letter-spacing: -0.015em;
  transition: opacity 0.25s ease;
}

.preloader-bar-track {
  width: 100%;
  max-width: clamp(340px, 50vw, 540px);
  height: 8px;
  background: #E2E8F0;
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 12px;
  position: relative;
}

.preloader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0F766E 0%, #0D9488 60%, #10B981 100%);
  border-radius: var(--radius-pill);
  box-shadow: 0 1px 8px rgba(13, 148, 136, 0.4);
  transition: width 0.08s linear;
}

/* Responsive Arrangement for Elements Under Progress Bar */
.preloader-meta {
  width: 100%;
  max-width: clamp(340px, 50vw, 540px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: clamp(0.82rem, 1.8vw, 0.95rem);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.preloader-percent {
  font-weight: 800;
  color: var(--brand-teal-700);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  white-space: nowrap;
  flex-shrink: 0;
}

.preloader-caption {
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  text-align: right;
  letter-spacing: 0.01em;
}

/* Mobile & Tablet Portrait: Responsive Centered Stack Under Bar */
@media (max-width: 580px) {
  .preloader-bar-track {
    max-width: min(88vw, 360px);
    margin-bottom: 10px;
  }

  .preloader-meta {
    max-width: min(90vw, 360px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-align: center;
  }

  .preloader-percent {
    font-size: clamp(1.12rem, 4.2vw, 1.25rem);
    color: var(--brand-teal-700);
    letter-spacing: -0.015em;
  }

  .preloader-caption {
    font-size: clamp(0.78rem, 2.8vw, 0.88rem);
    white-space: normal;
    text-align: center;
    line-height: 1.4;
    max-width: 320px;
  }
}

/* Ultra-Compact Screens (e.g. 320px iPhone SE) */
@media (max-width: 360px) {
  .page-preloader {
    padding: 12px;
  }
  .preloader-logo-img {
    max-width: 96vw;
  }
  .preloader-bar-track {
    max-width: 92vw;
  }
  .preloader-meta {
    max-width: 92vw;
    gap: 4px;
  }
  .preloader-percent {
    font-size: 1.05rem;
  }
  .preloader-caption {
    font-size: 0.74rem;
    line-height: 1.35;
  }
}

/* Ultra-Wide and 4K Responsive Scale */
@media (min-width: 2560px) {
  .preloader-card,
  .preloader-content {
    max-width: 1400px;
  }
  .preloader-logo-img {
    max-width: 1180px;
  }
  .preloader-bar-track,
  .preloader-meta {
    max-width: 680px;
  }
  .preloader-bar-track {
    height: 10px;
  }
  .preloader-status-text {
    font-size: 1.5rem;
  }
  .preloader-meta {
    font-size: 1.1rem;
  }
}
html.js .reveal-stagger > *:nth-child(6) { transition-delay: 290ms; }
html.js .reveal-stagger > *:nth-child(7) { transition-delay: 340ms; }
html.js .reveal-stagger > *:nth-child(8) { transition-delay: 390ms; }

/* Scale Reveal for visual features */
html.js .reveal-scale {
  opacity: 0;
  transform: scale3d(0.95, 0.95, 1) translate3d(0, 16px, 0);
  transition: opacity var(--motion-dur-slow) var(--motion-ease-smooth),
              transform var(--motion-dur-slow) var(--motion-ease-smooth);
  will-change: opacity, transform;
}

html.js .reveal-scale.is-visible {
  opacity: 1;
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
  will-change: auto;
}

/* ==========================================================================
   3. MICRO-INTERACTIONS & TACTILE STATES
   ========================================================================== */
@media (hover: hover) and (pointer: fine) {
  /* Specialty, Doctor & Review Card Gentle Elevation */
  .specialty-card,
  .doctor-card,
  .review-card,
  .hmo-card,
  .faq-item {
    transition: transform var(--motion-dur-fast) var(--motion-ease-smooth),
                box-shadow var(--motion-dur-fast) var(--motion-ease-smooth),
                border-color var(--motion-dur-fast) var(--motion-ease-smooth);
  }

  .specialty-card:hover {
    transform: translate3d(0, -5px, 0);
    box-shadow: 0 16px 32px -8px rgba(11, 34, 56, 0.12);
  }

  .doctor-card:hover {
    transform: translate3d(0, -6px, 0);
    box-shadow: 0 20px 40px -10px rgba(11, 34, 56, 0.14);
  }

  .review-card:hover {
    transform: translate3d(0, -4px, 0);
    box-shadow: 0 14px 28px -6px rgba(15, 118, 110, 0.1);
  }

  /* Button Hover Magnetic Micro-Lift */
  .btn:hover,
  .btn-nav-outline:hover {
    transform: translate3d(0, -2px, 0);
  }

  /* Subtle Icon Movement on Hover */
  .btn:hover i.fa-arrow-right,
  .btn:hover i.fa-calendar-check {
    transform: translate3d(3px, 0, 0);
    transition: transform var(--motion-dur-fast) var(--motion-ease-spring);
  }
}

/* Active Press for All Interactive Elements */
.btn:active,
.btn-nav-outline:active,
.btn-emergency-pill:active,
.mobile-toggle:active,
.scroll-to-top-btn:active {
  transform: scale(0.97) !important;
  transition: transform 90ms ease-out !important;
}

/* Sticky Navbar Hide on Scroll Down, Show on Scroll Up */
.site-header {
  transition: transform var(--motion-dur-normal) var(--motion-ease-out),
              background var(--motion-dur-fast) ease,
              box-shadow var(--motion-dur-fast) ease,
              padding var(--motion-dur-fast) ease;
}

.site-header.nav-hidden {
  transform: translate3d(0, -100%, 0);
}

.site-header.nav-visible {
  transform: translate3d(0, 0, 0);
}

/* ==========================================================================
   4. FLOATING SCROLL-TO-TOP BUTTON (ALL PAGES)
   With Circular SVG Scroll Progress Indicator
   ========================================================================== */
.scroll-to-top-btn {
  position: fixed;
  bottom: max(24px, env(safe-area-inset-bottom, 24px));
  right: max(24px, env(safe-area-inset-right, 24px));
  width: 48px;
  height: 48px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
  background: var(--brand-navy-900);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  z-index: 990;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -4px rgba(11, 34, 56, 0.35),
              0 2px 8px rgba(15, 118, 110, 0.15);
  
  /* Initial Hidden State */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(0, 16px, 0) scale(0.85);
  transition: opacity var(--motion-dur-fast) var(--motion-ease-smooth),
              transform var(--motion-dur-fast) var(--motion-ease-spring),
              visibility var(--motion-dur-fast) var(--motion-ease-smooth),
              background var(--motion-dur-fast) ease,
              box-shadow var(--motion-dur-fast) ease;
}

.scroll-to-top-btn.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate3d(0, 0, 0) scale(1);
}

.scroll-to-top-btn:focus-visible {
  outline: 3px solid var(--brand-teal-500);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  .scroll-to-top-btn:hover {
    background: var(--brand-navy-800);
    transform: translate3d(0, -3px, 0) scale(1.06);
    box-shadow: 0 16px 32px -4px rgba(11, 34, 56, 0.45),
                0 4px 12px rgba(15, 118, 110, 0.25);
  }

  .scroll-to-top-btn:hover .scroll-top-arrow {
    transform: translate3d(0, -2px, 0);
  }
}

/* SVG Circular Progress Track */
.scroll-progress-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}

.scroll-progress-track {
  stroke: rgba(255, 255, 255, 0.16);
  fill: none;
  stroke-width: 2.5;
}

.scroll-progress-bar {
  stroke: var(--brand-teal-500);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke-dashoffset 90ms linear;
}

.scroll-top-arrow {
  position: relative;
  z-index: 2;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--motion-dur-fast) var(--motion-ease-spring);
}

/* Small Screens / Notched Devices Adjustments */
@media (max-width: 580px) {
  .scroll-to-top-btn {
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right: max(16px, env(safe-area-inset-right, 16px));
    width: 44px;
    height: 44px;
  }
  .scroll-top-arrow {
    width: 16px;
    height: 16px;
  }
}

/* ==========================================================================
   5. STATS NUMBER COUNTER (Visual Accent)
   ========================================================================== */
.metric-value.counting {
  transition: color var(--motion-dur-fast) ease;
}

/* ==========================================================================
   6. ACCESSIBILITY: STRICT PREFERS-REDUCED-MOTION OVERRIDE
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html.js .reveal-on-scroll,
  html.js .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll-to-top-btn {
    transition: opacity 120ms ease !important;
    transform: none !important;
  }

  .scroll-to-top-btn.is-active {
    transform: none !important;
  }

  .hero-glow-blob {
    animation: none !important;
  }
}