/* ==========================================================================
       1. CORE DESIGN SYSTEM & TECHNICAL VARIABLES
       ========================================================================== */
    :root {
      --bg-light: #FFFFFF;
      --bg-pink-medical: #FFD8DF;
      --bg-footer: #FFBBE1;
      --bg-copyright: #4E56C0;
      --text-purple: #462C7D;
      --text-purple-rgb: 70, 44, 125;
      --accent-blue: #1581BF;
      --card-blue: #AEE2FF;
      --font-main: "Commissioner", sans-serif;
      --transition-fluid: all 0.6s cubic-bezier(0.25, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-purple);
      font-family: var(--font-main);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      letter-spacing: 0.01em;
    }

    /* Core Typographic Rules */
    h1, h2, h3, h4, h5 {
      font-weight: 500;
      letter-spacing: -0.02em;
      line-height: 1.2;
    }

    p {
      font-weight: 400;
      line-height: 1.75;
      font-size: 1.05rem;
    }

    /* Multipage Application State Engine Layout Matrix */
    .app-stage {
      display: none;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .app-stage.active-stage {
      display: block;
      opacity: 1;
      transform: translateY(0);
    }

    /* ==========================================================================
       2. PREMIUM HEADER & SLIDE RIGHT OVERLAY PANEL
       ========================================================================== */
    header {
      position: fixed;
      top: 0;
      left: 0;
      height: 100px;
      width: 100%;
      z-index: 1000;
      padding: 2rem 4rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      mix-blend-mode: difference; /* Elegantly ensures branding visibility across overlapping layers */
    }

    .header-left-identity {
      display: flex;
      align-items: center;
      gap: 2rem;
    }

.branding-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
}

.branding-logo img {
  height: 264px;   /* adjust as needed */
  width: auto;
  display: block;
  object-fit: contain;
}

.clinic-email-node {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--bg-light);
      opacity: 0.8;
      letter-spacing: 0.05em;
    }

    .hamburger-trigger-box {
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      gap: 6px;
      z-index: 1100;
    }

    .hamburger-trigger-box span {
      display: block;
      width: 28px;
      height: 2px;
      background-color: var(--bg-light);
      transition: var(--transition-fluid);
    }

    /* Right Side Slide Menu Interface */
    .right-slide-panel-vault {
      position: fixed;
      top: 0;
      right: 0;
      width: 480px;
      height: 100vh;
      background-color: var(--bg-pink-medical);
      z-index: 1050;
      padding: 8rem 4rem 4rem 4rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transform: translateX(100%);
      transition: transform 0.6s cubic-bezier(0.25, 1, 0.3, 1);
      box-shadow: -20px 0 60px rgba(70, 44, 125, 0.05);
    }

    .right-slide-panel-vault.panel-open {
      transform: translateX(0);
    }

    /* Soft Blur Background Masking Drop */
    .fullscreen-modal-mask {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(70, 44, 125, 0.15);
      backdrop-filter: blur(4px);
      z-index: 1040;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.5s ease;
    }

    .fullscreen-modal-mask.mask-active {
      opacity: 1;
      pointer-events: auto;
    }

    .panel-navigation-links {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }

    .panel-navigation-links a {
      font-size: 2.2rem;
      font-weight: 400;
      color: var(--accent-blue);
      text-decoration: none;
      cursor: pointer;
      transition: var(--transition-fluid);
      align-self: flex-start;
    }

    .panel-navigation-links a:hover, .panel-navigation-links a.active-link {
      transform: translateX(10px);
      color: var(--text-purple);
    }

    .panel-footer-meta {
      font-size: 0.95rem;
      color: var(--text-purple);
      opacity: 0.7;
    }

    /* ==========================================================================
       3. CINEMATIC HERO SECTION ARCHITECTURE
       ========================================================================== */
    .hero-fixed-parallax-container {
      position: relative;
      width: 100%;
      height: 100vh;
      overflow: hidden;
      display: flex;
      align-items: center;
      padding: 0 6rem;
    }

    .hero-parallax-background-asset {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 120%; /* Extra allowance height vector for smooth parallax scroll calculation space */
      background-image: url('https://i.pinimg.com/736x/82/a3/22/82a322dc061ad09a373be973d42e7535.jpg');
      background-size: cover;
      background-position: center;
      will-change: transform;
      z-index: 1;
    }

    .hero-parallax-background-asset::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 100%);
    }

    .hero-editorial-left-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
      color: var(--text-purple);
    }

    .hero-editorial-left-content h1 {
      font-size: 4.5rem;
      margin-bottom: 2rem;
      line-height: 1.1;
    }

    .hero-editorial-left-content p {
      font-size: 1.25rem;
      opacity: 0.9;
    }

    /* ==========================================================================
       4. SECTION 2 — CLINIC OVERLAP EXPERIENCE (EDITORIAL LAYERS)
       ========================================================================== */
    .clinic-overlap-section {
      background-color: var(--bg-light);
      padding: 10rem 0 14rem 0;
      position: relative;
    }

    .overlap-top-header-block {
      padding: 0 6rem;
      margin-bottom: 6rem;
    }

    .overlap-top-header-block h2 {
      font-size: 3rem;
      color: var(--text-purple);
      margin-bottom: 1rem;
    }

    .overlap-top-header-block .editorial-lead-quote {
      font-size: 1.3rem;
      font-style: italic;
      opacity: 0.8;
    }

.asymmetric-overlap-workspace {
  display: grid;
  grid-template-columns: 1.3fr 1fr; /* was 1.1fr 0.9fr */
  align-items: center;
  position: relative;
  padding-left: 6rem;
}
    .overlap-left-floating-card {
      background-color: var(--card-blue);
      color: var(--text-purple);
      padding: 5rem;
      position: relative;
      z-index: 5;
      margin-right: -10rem; /* Negative spacing forces modern editorial layered crossover grid overlay */
      box-shadow: 0 30px 60px rgba(70, 44, 125, 0.06);
      border-radius: 2px;
    }

    .overlap-left-floating-card h3 {
      font-size: 2.4rem;
      margin-bottom: 1.5rem;
    }

.overlap-right-static-media-vault {
  width: 100%;
  height: 720px; /* increased from 650px */
  overflow: hidden;
  position: fixed;
  background: fixed;
  z-index: 1;
}
    .overlap-static-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* Bottom Overflow Cards Section Alignment */
    .overflow-triad-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 3rem;
      padding: 0 6rem;
      margin-top:-25px; /* Pulls the feature blocks upward creating deliberate structural overlap depth */
      position: relative;
      z-index: 10;
    }

    .square-feature-card {
      padding: 2.5rem;
      border-radius: 2px;
      transition: var(--transition-fluid);
    }


    .square-feature-card img {
      width: 100%;
      height: 540px;
      object-fit: cover;
      margin-bottom: 1.8rem;
      border-radius: 2px;
    }

    .square-feature-card h4 {
      font-size: 1.4rem;
      margin-bottom: 1rem;
      color: var(--text-purple);
    }

    .square-feature-card p {
      font-size: 0.98rem;
      opacity: 0.8;
    }

    /* ==========================================================================
       5. SECTION 3 — DENTAL STORY GRID (STAGGERED OVERFLOW)
       ========================================================================== */
    .dental-story-grid-section {
      background-color: var(--bg-pink-medical);
      padding: 12rem 6rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
    }

    .staggered-column-node {
      display: flex;
      flex-direction: column;
      gap: 6rem;
    }

    .staggered-column-node.shift-down {
      margin-top: 10rem; /* Asymmetric balance layout displacement */
    }

    .floating-story-card-wrapper {
      display: flex;
      flex-direction: column;
    }

    .floating-story-card-wrapper img {
      width: 100%;
      height: 480px;
      object-fit: cover;
      border-radius: 2px;
      box-shadow: 0 25px 50px rgba(70, 44, 125, 0.04);
      margin-bottom: 1.5rem;
    }

    .floating-story-card-wrapper p {
      color: var(--text-purple);
      font-size: 1.1rem;
      max-width: 440px;
    }

    /* ==========================================================================
       6. SECTION 4 — TREATMENT + OVERLAP SYSTEM (WITH DOT SLIDER)
       ========================================================================== */
    .treatment-overlap-section {
      background-color: var(--bg-light);
      padding: 12rem 0;
    }

    .treatment-intro-block {
      padding: 0 6rem;
      margin-bottom: 6rem;
      max-width: 800px;
    }

    .treatment-intro-block h2 {
      font-size: 3.5rem;
      color: var(--text-purple);
      margin-bottom: 1.5rem;
    }

    .treatment-asymmetric-engine-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr; /* Left side retains wider visual dominance allocation */
      align-items: center;
      padding-right: 6rem;
    }

    .treatment-left-media-vault {
      width: 100%;
      height: 700px;
      overflow: hidden;
      position: relative;
    }

    .treatment-fixed-img-asset {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .slider-right-overlapping-card {
      background-color: var(--card-blue);
      color: var(--text-purple);
      padding: 5rem;
      margin-left: -8rem;
      position: relative;
      z-index: 5;
      box-shadow: 0 30px 60px rgba(70, 44, 125, 0.06);
      min-height: 440px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border-radius: 2px;
    }

    .slider-content-window {
      position: relative;
      overflow: hidden;
      min-height: 200px;
    }

    .slider-slide-element {
      display: none;
      animation: slideFadeInEffect 0.5s ease forwards;
    }

    .slider-slide-element.slide-active {
      display: block;
    }

    .slider-slide-element h3 {
      font-size: 2.2rem;
      margin-bottom: 1.2rem;
    }

    @keyframes slideFadeInEffect {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .slider-dot-navigation-row {
      display: flex;
      gap: 1rem;
      margin-top: 3rem;
    }

    .slider-nav-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: rgba(70, 44, 125, 0.3);
      border: none;
      cursor: pointer;
      transition: var(--transition-fluid);
    }

    .slider-nav-dot.dot-active {
      background-color: var(--text-purple);
      transform: scale(1.2);
    }

    /* ==========================================================================
       7. SECTION 5 — DOT NAV STORY VIEW (EDITORIAL STEPS)
       ========================================================================== */
    .story-view-scroll-theater {
      background-color: var(--bg-pink-medical);
      padding: 12rem 6rem;
      text-align: center;
    }

    .theater-content-stepper-box {
      max-width: 800px;
      margin: 0 auto;
      min-height: 300px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .theater-step-slide {
      display: none;
      animation: theaterFade 0.6s ease forwards;
    }

    .theater-step-slide.theater-active {
      display: block;
    }

    .theater-step-slide span {
      font-size: 0.9rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: var(--accent-blue);
      display: block;
      margin-bottom: 1.5rem;
    }

    .theater-step-slide h3 {
      font-size: 3rem;
      color: var(--text-purple);
      margin-bottom: 2rem;
      line-height: 1.2;
    }

    .theater-step-slide p {
      font-size: 1.2rem;
      color: var(--text-purple);
      opacity: 0.9;
    }

    @keyframes theaterFade {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .theater-controls-group {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-top: 4rem;
    }

    .theater-dot-node {
      width: 40px;
      height: 3px;
      background-color: rgba(70, 44, 125, 0.2);
      border: none;
      cursor: pointer;
      transition: var(--transition-fluid);
    }

    .theater-dot-node.theater-dot-active {
      background-color: var(--text-purple);
    }

    /* ==========================================================================
       8. UNIVERSAL CLINICAL FOOTER FRAMEWORK
       ========================================================================== */
    footer {
      background-color: var(--bg-footer);
      color: var(--text-purple);
      padding: 8rem 6rem 4rem 6rem;
    }

    .footer-main-layout-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 4rem;
      margin-bottom: 6rem;
    }

    .footer-brand-column h3 {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
    }

    .footer-column-node h5 {
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-bottom: 1.8rem;
      opacity: 0.8;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .footer-links-list a {
      color: var(--text-purple);
      text-decoration: none;
      font-weight: 500;
      cursor: pointer;
      transition: opacity 0.3s ease;
    }

    .footer-links-list a:hover {
      opacity: 0.6;
    }

    .copyright-infobar-strip {
      background-color: var(--bg-copyright);
      color: #FFFFFF;
      padding: 1.5rem 6rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.9rem;
      letter-spacing: 0.02em;
    }

    .copyright-infobar-strip a {
      color: #FFFFFF;
      text-decoration: none;
      margin-left: 2rem;
      cursor: pointer;
    }

    /* ==========================================================================
       9. MULTIPAGE INTERIOR ARCHITECTURE PAGES (BOOKING, ABOUT, FAQ, CONTACT)
       ========================================================================== */
    .interior-page-editorial-canvas {
      max-width: 900px;
      margin: 0 auto;
      padding: 14rem 4rem 10rem 4rem;
    }

    .interior-page-editorial-canvas h1 {
      font-size: 4rem;
      color: var(--text-purple);
      margin-bottom: 2rem;
    }

    .interior-editorial-lead-prose {
      font-size: 1.4rem;
      line-height: 1.6;
      margin-bottom: 4rem;
      color: var(--text-purple);
    }

    .prose-deep-reading-block h2 {
      font-size: 2.2rem;
      color: var(--text-purple);
      margin: 3.5rem 0 1.5rem 0;
    }

    .prose-deep-reading-block p {
      font-size: 1.1rem;
      margin-bottom: 2rem;
      color: rgba(70, 44, 125, 0.9);
    }

    /* FAQ Component Grid Alignment */
    .faq-structural-accordion-stack {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-top: 4rem;
    }

    .faq-element-node {
      border-bottom: 1px solid rgba(70, 44, 125, 0.15);
      padding-bottom: 1.5rem;
    }

    .faq-element-node h3 {
      font-size: 1.5rem;
      margin-bottom: 1rem;
      color: var(--text-purple);
    }

    /* General Form Real Estate Alignment UI */
    .premium-form-grid {
      display: flex;
      flex-direction: column;
      gap: 2.5rem;
      margin-top: 4rem;
    }

    .form-input-row-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }

    .form-input-element-field {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .form-input-element-field label {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .form-input-element-field input, .form-input-element-field select, .form-input-element-field textarea {
      background-color: transparent;
      border: none;
      border-bottom: 1px solid var(--text-purple);
      padding: 1rem 0;
      font-size: 1.1rem;
      color: var(--text-purple);
      outline: none;
      font-family: var(--font-main);
    }

    .form-input-element-field textarea {
      min-height: 120px;
      resize: none;
    }

    .form-submission-button {
      align-self: flex-start;
      background-color: var(--text-purple);
      color: var(--bg-light);
      border: none;
      padding: 1.2rem 3rem;
      font-size: 1rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      cursor: pointer;
      transition: var(--transition-fluid);
      margin-top: 2rem;
      border-radius: 2px;
    }

    .form-submission-button:hover {
      background-color: var(--accent-blue);
    }

    /* ==========================================================================
       10. STRICT MOBILE RESPONSIVE ORCHESTRATION
       ========================================================================== */
    @media (max-width: 1200px) {
      .asymmetric-overlap-workspace, .treatment-asymmetric-engine-grid {
        grid-template-columns: 1fr;
        padding-left: 0;
        padding-right: 0;
      }
      .overlap-left-floating-card, .slider-right-overlapping-card {
        margin-right: 0;
        margin-left: 0;
        padding: 3rem;
      }
      .overlap-right-static-media-vault, .treatment-left-media-vault {
        height: 450px;
      }
      .overflow-triad-row {
        grid-template-columns: 1fr;
        margin-top: 4rem;
        padding: 0 2rem;
      }
      .dental-story-grid-section {
        grid-template-columns: 1fr;
        padding: 6rem 2rem;
      }
      .staggered-column-node.shift-down {
        margin-top: 0;
      }
    }

    @media (max-width: 768px) {
      header {
        padding: 1.5rem 2rem;
      }
      .clinic-email-node {
        display: none;
      }
      .hero-fixed-parallax-container {
        padding: 0 2rem;
      }
      .hero-editorial-left-content h1 {
        font-size: 3rem;
      }
      .overlap-top-header-block {
        padding: 0 2rem;
      }
      .right-slide-panel-vault {
        width: 100%;
        padding: 8rem 2rem 2rem 2rem;
      }
      .footer-main-layout-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
      }
      footer {
        padding: 6rem 2rem 3rem 2rem;
      }
      .copyright-infobar-strip {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
        padding: 2rem;
      }
      .form-input-row-split {
        grid-template-columns: 1fr;
      }
    }