/* ==========================================================================
   LUMINA DENTAL STUDIO - PREMIUM SCROLLYTELLING STYLESHEET
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-primary: #070b14;
  --bg-secondary: #0d1527;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --bg-glass: rgba(13, 21, 39, 0.72);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-glow: rgba(45, 212, 191, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-light: #ffffff;

  --cyan-primary: #2dd4bf;
  --cyan-light: #5eead4;
  --cyan-dark: #0f766e;
  --cyan-glow: rgba(45, 212, 191, 0.28);
  --blue-accent: #38bdf8;
  --gold-accent: #fbbf24;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Transitions & Shadows */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 35px var(--cyan-glow);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-primary);
}

img, canvas, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  outline: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.max-w-4xl {
  max-w: 56rem;
}

.text-center { text-align: center; }
.text-cyan { color: var(--cyan-primary); }
.text-gold { color: var(--gold-accent); }
.text-light { color: var(--text-light); }
.font-semibold { font-weight: 600; }
.hidden { display: none !important; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.text-gradient {
  background: linear-gradient(135deg, #ffffff 10%, var(--cyan-primary) 70%, var(--blue-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   PRELOADER
   ========================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(circle at 50% 50%, #0d1527 0%, #05080f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

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

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 380px;
  text-align: center;
}

.preloader-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.logo-icon-ring {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid var(--border-glass-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 20px var(--cyan-glow);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); box-shadow: 0 0 20px var(--cyan-glow); }
  50% { transform: scale(1.06); box-shadow: 0 0 32px var(--cyan-glow); }
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
}
.logo-text span {
  color: var(--cyan-primary);
  font-weight: 400;
  margin-left: 4px;
}

.preloader-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 0.75rem;
  position: relative;
}

.preloader-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-dark), var(--cyan-primary), var(--blue-accent));
  border-radius: var(--radius-full);
  transition: width 0.15s ease-out;
  box-shadow: 0 0 12px var(--cyan-primary);
}

.preloader-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 1.5rem;
  transition: all var(--transition-normal);
}

.navbar-wrapper.scrolled {
  padding: 0.75rem 1.5rem;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
}

.navbar-wrapper.scrolled .navbar-container {
  background: transparent;
  border-color: transparent;
  padding: 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.2), rgba(56, 189, 248, 0.1));
  border: 1px solid var(--border-glass-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
  font-size: 1.1rem;
  box-shadow: 0 0 16px var(--cyan-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  line-height: 1.1;
  color: #fff;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--cyan-primary);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  height: 2px;
  background: var(--cyan-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-phone-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.nav-phone-link i { color: var(--cyan-primary); }
.nav-phone-link:hover { color: #fff; }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.72rem 1.45rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-primary), #0ea5e9);
  color: #070b14;
  box-shadow: 0 4px 18px rgba(45, 212, 191, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 212, 191, 0.55);
  background: linear-gradient(135deg, var(--cyan-light), #38bdf8);
}

.btn-secondary {
  background: rgba(45, 212, 191, 0.12);
  color: var(--cyan-primary);
  border: 1px solid var(--border-glass-glow);
}
.btn-secondary:hover {
  background: rgba(45, 212, 191, 0.22);
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: #fff;
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.btn-glow {
  position: relative;
}
.btn-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--cyan-primary), var(--blue-accent));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
  filter: blur(8px);
}
.btn-glow:hover::after {
  opacity: 0.6;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.btn-text:hover {
  color: var(--cyan-light);
  gap: 0.75rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid var(--border-glass-glow);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 1.25rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-primary);
  box-shadow: 0 0 8px var(--cyan-primary);
  animation: pulse-dot-anim 1.8s infinite;
}

@keyframes pulse-dot-anim {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

/* ==========================================================================
   SCROLLYTELLING HERO SECTION
   ========================================================================== */
.hero-scroll-track {
  position: relative;
  height: 460vh; /* Scroll track length for smooth frame scrubbing */
  width: 100%;
}

.hero-sticky-viewport {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Canvas Background Layer */
.canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg, 
    rgba(7, 11, 20, 0.85) 0%, 
    rgba(7, 11, 20, 0.4) 45%, 
    rgba(7, 11, 20, 0.1) 75%, 
    rgba(7, 11, 20, 0.4) 100%
  );
  pointer-events: none;
}

.canvas-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 50%,
    transparent 50%,
    rgba(7, 11, 20, 0.75) 100%
  ),
  linear-gradient(
    180deg,
    rgba(7, 11, 20, 0.8) 0%,
    transparent 20%,
    transparent 75%,
    rgba(7, 11, 20, 0.95) 100%
  );
  pointer-events: none;
}

/* Scrollytelling Step Tracker (Right Side) */
.scrolly-tracker {
  position: absolute;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  align-items: center;
}

.tracker-line {
  position: absolute;
  right: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
}

.tracker-progress-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--cyan-primary), var(--blue-accent));
  box-shadow: 0 0 10px var(--cyan-primary);
  border-radius: 2px;
  transition: height 0.1s linear;
}

.tracker-nodes {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
  position: relative;
  z-index: 2;
}

.tracker-node {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.node-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-normal);
  background: rgba(13, 21, 39, 0.85);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
}

.tracker-node:hover .node-label,
.tracker-node.active .node-label {
  opacity: 1;
  transform: translateX(0);
}

.tracker-node.active .node-label {
  color: var(--cyan-primary);
  border-color: var(--border-glass-glow);
}

.node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-normal);
}

.tracker-node.active .node-dot {
  background: var(--cyan-primary);
  border-color: #fff;
  transform: scale(1.3);
  box-shadow: 0 0 14px var(--cyan-primary);
}

/* Narrative Overlay Container */
.narrative-container {
  position: relative;
  z-index: 20;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
  pointer-events: none;
}

/* Narrative Cards */
.narrative-card {
  position: absolute;
  top: 50%;
  transform: translateY(-45%);
  max-width: 580px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  filter: blur(8px);
  pointer-events: none;
}

.narrative-card.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%);
  filter: blur(0px);
  pointer-events: auto;
}

.narrative-card.text-center-panel {
  max-width: 720px;
  left: 50% !important;
  transform: translate(-50%, -45%);
}

.narrative-card.text-center-panel.active {
  transform: translate(-50%, -50%);
}

#stage-1 { left: 2rem; }
#stage-2 { left: 2rem; }
#stage-3 { left: 2rem; }
#stage-4 { left: 50%; transform: translate(-50%, -45%); }

.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card), inset 0 1px 1px rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-primary), transparent);
}

.text-center-panel .glass-panel {
  text-align: center;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: #fff;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 1.1rem;
  color: #fff;
}

.lg-title {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
}

.hero-description {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

.mx-auto-desc {
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* Stats Pill Row */
.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
}

.stat-icon {
  font-size: 1.15rem;
}

.stat-pill strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  line-height: 1.2;
}

.stat-pill span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* CTA Group */
.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.justify-center {
  justify-content: center;
}

/* Feature Bullets (Stage 2) */
.feature-bullets {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.bullet-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.15);
  border: 1px solid var(--border-glass-glow);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.bullet-item strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  line-height: 1.3;
}

.bullet-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Spec Grid (Stage 3) */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.8rem;
}

.spec-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1rem 0.75rem;
  text-align: center;
}

.spec-val {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan-primary);
  line-height: 1.1;
  margin-bottom: 0.3rem;
}

.spec-lbl {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Action Box (Stage 4) */
.action-card-box {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.action-card-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-primary);
}

/* Hero Bottom Controls */
.hero-bottom-controls {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.scroll-prompt {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(13, 21, 39, 0.75);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-glass);
}

.mouse-icon {
  width: 18px;
  height: 28px;
  border: 2px solid var(--cyan-primary);
  border-radius: 10px;
  position: relative;
}

.mouse-icon .wheel {
  width: 3px;
  height: 6px;
  background: var(--cyan-primary);
  border-radius: 2px;
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouse-scroll 1.6s infinite ease-in-out;
}

@keyframes mouse-scroll {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 10px); opacity: 0; }
}

.frame-counter-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(13, 21, 39, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass-glow);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-family: monospace;
  font-size: 0.85rem;
}

.counter-label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.72rem;
}

.counter-number {
  color: var(--cyan-primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.counter-total {
  color: var(--text-muted);
}

/* ==========================================================================
   TRUST & ACCREDITATIONS
   ========================================================================== */
.trust-banner {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 2.2rem 0;
  position: relative;
  z-index: 10;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.trust-item i {
  font-size: 1.8rem;
  color: var(--cyan-primary);
  background: rgba(45, 212, 191, 0.1);
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-glass-glow);
}

.trust-item strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  line-height: 1.3;
}

.trust-item span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
.section {
  padding: 7rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.8rem;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1rem;
}

.section-desc {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   TREATMENTS GRID
   ========================================================================== */
.treatments-section {
  background: radial-gradient(circle at 50% 0%, #101c36 0%, var(--bg-primary) 70%);
}

.treatments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.treatment-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.treatment-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-glow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 25px var(--cyan-glow);
  background: var(--bg-card-hover);
}

.card-glow-bg {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.treatment-card:hover .card-glow-bg {
  opacity: 0.15;
}

.card-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid var(--border-glass-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan-primary);
  margin-bottom: 1.4rem;
}

.card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-primary);
  margin-bottom: 0.4rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.card-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.4rem;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
  margin-top: auto;
}

.card-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.card-features li i {
  color: var(--cyan-primary);
  font-size: 0.75rem;
}

.card-footer {
  border-top: 1px solid var(--border-glass);
  padding-top: 1.2rem;
}

/* ==========================================================================
   INTERACTIVE BEFORE & AFTER SLIDER
   ========================================================================== */
.transformation-section {
  background: var(--bg-primary);
  position: relative;
}

.transformation-box {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-card);
}

.transformation-content .section-subtitle {
  margin-bottom: 0.5rem;
}
.transformation-content .section-title {
  margin-bottom: 1rem;
}
.transformation-content .section-desc {
  margin: 0 0 2rem 0;
  text-align: left;
}

.case-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2.2rem;
  background: rgba(7, 11, 20, 0.5);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.meta-val {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
}

/* Slider Widget */
.comparison-container {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.comparison-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  cursor: ew-resize;
  user-select: none;
}

.comparison-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.before-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
  clip-path: inset(0 50% 0 0);
  transition: none;
}

.before-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 40px;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.handle-line {
  flex: 1;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.8);
}

.handle-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  color: #070b14;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 0.72rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.6), 0 0 10px var(--cyan-primary);
}

.badge-label {
  position: absolute;
  bottom: 1rem;
  z-index: 4;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
}

.label-before { left: 1rem; color: #cbd5e1; }
.label-after { right: 1rem; color: var(--cyan-primary); }

.slider-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* ==========================================================================
   TECHNOLOGY SUITE
   ========================================================================== */
.technology-section {
  background: var(--bg-secondary);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.tech-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: all var(--transition-normal);
}

.tech-feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-glow);
}

.tech-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--blue-accent);
  margin-bottom: 1.4rem;
}

.tech-feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.tech-feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-section {
  background: radial-gradient(circle at 50% 100%, #101c36 0%, var(--bg-primary) 70%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  border-color: var(--border-glass-glow);
  transform: translateY(-4px);
}

.stars {
  color: var(--gold-accent);
  font-size: 0.88rem;
  display: flex;
  gap: 0.3rem;
  margin-bottom: 1.2rem;
}

.quote {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 1.8rem;
  font-style: italic;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: auto;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.15);
  border: 1px solid var(--border-glass-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
}

.author-info strong {
  display: block;
  font-size: 0.92rem;
  color: #fff;
}

.author-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  background: var(--bg-secondary);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-glass-glow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 1.6rem;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 600;
  color: #fff;
  gap: 1rem;
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--cyan-primary);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 1.6rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.6rem 1.4rem 1.6rem;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   CTA STRIP
   ========================================================================== */
.cta-strip {
  padding: 4rem 0 6rem 0;
  background: var(--bg-primary);
}

.cta-inner-card {
  background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(16, 28, 54, 0.95));
  border: 1px solid var(--border-glass-glow);
  border-radius: var(--radius-lg);
  padding: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  box-shadow: 0 0 50px rgba(45, 212, 191, 0.15);
  position: relative;
  overflow: hidden;
}

.cta-inner-card::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow), transparent 70%);
  pointer-events: none;
}

.cta-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}

.cta-text p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.cta-btns {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #04070d;
  border-top: 1px solid var(--border-glass);
  padding: 5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.brand-col .nav-brand {
  margin-bottom: 1.2rem;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 0.85rem;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: rgba(45, 212, 191, 0.15);
  color: var(--cyan-primary);
  border-color: var(--border-glass-glow);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.4rem;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col ul li a:hover {
  color: var(--cyan-primary);
  padding-left: 4px;
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  padding-bottom: 0.4rem;
}

.hours-list strong { color: #fff; font-weight: 500; }
.hours-list em { color: var(--cyan-primary); font-style: normal; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.contact-info p {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-info p i {
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* ==========================================================================
   MODAL & FORM SYSTEM
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(3, 6, 12, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #0d1527;
  border: 1px solid var(--border-glass-glow);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 540px;
  width: 100%;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 35px var(--cyan-glow);
  transform: scale(0.92) translateY(20px);
  transition: all var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: rotate(90deg);
}

.modal-header {
  text-align: center;
  margin-bottom: 1.8rem;
}

.modal-icon-badge {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid var(--border-glass-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin: 0 auto 1rem auto;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.booking-form input,
.booking-form select,
.booking-form textarea {
  width: 100%;
  background: rgba(7, 11, 20, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus {
  border-color: var(--cyan-primary);
  box-shadow: 0 0 12px var(--cyan-glow);
  background: rgba(7, 11, 20, 0.95);
}

.select-wrapper {
  position: relative;
}

.booking-form select option {
  background: #0d1527;
  color: #fff;
}

.booking-success {
  text-align: center;
  padding: 1.5rem 0;
}

.success-icon-wrap {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: scale-up 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scale-up {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.booking-success h4 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.booking-success p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;
  background: rgba(13, 21, 39, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass-glow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--cyan-glow);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.toast-notification.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-notification i {
  color: var(--cyan-primary);
  font-size: 1.1rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .transformation-box {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
  }

  .cta-inner-card {
    flex-direction: column;
    text-align: center;
    padding: 3rem 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .scrolly-tracker {
    right: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 75px;
    left: 1.5rem;
    right: 1.5rem;
    background: rgba(13, 21, 39, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    flex-direction: column;
    gap: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
  }

  .nav-links.mobile-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-phone-link {
    display: none;
  }

  .scrolly-tracker {
    display: none; /* Hide tracker on small mobile to give full room to text */
  }

  .narrative-container {
    padding: 0 1rem;
  }

  .narrative-card {
    max-width: 100%;
    left: 1rem !important;
    right: 1rem !important;
  }

  .narrative-card.text-center-panel {
    left: 1rem !important;
    right: 1rem !important;
    transform: translateY(-45%) !important;
  }
  .narrative-card.text-center-panel.active {
    transform: translateY(-50%) !important;
  }

  .glass-panel {
    padding: 1.6rem;
  }

  .hero-bottom-controls {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }

  .scroll-prompt span {
    font-size: 0.72rem;
  }

  .treatments-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}