/* ==========================================================================
   KLARITY EYE CARE HOSPITAL — OCULAR PROSTHETICS STYLES
   Theme: Precision Craftsmanship × Natural Aesthetics × Human Dignity × Medical Excellence
   Awwwards-Level Premium Healthcare Digital Experience
   Technology: Pure CSS3 + Bootstrap 5 (Zero GSAP / Zero ScrollTrigger)
   ========================================================================== */

/* --- 1. DESIGN TOKENS & CSS VARIABLES --- */
:root {
  --prost-navy-deep: #030914;
  --prost-navy-primary: #07152B;
  --prost-navy-surface: #0B1E3D;
  --prost-navy-card: #102A54;
  --prost-navy-border: rgba(56, 189, 248, 0.2);
  
  --prost-blue-primary: #0066CC;
  --prost-blue-hover: #0052A3;
  --prost-blue-light: #EBF4FE;
  --prost-blue-subtle: #F0F7FF;
  
  --prost-cyan-vibrant: #0EA5E9;
  --prost-cyan-glow: rgba(14, 165, 233, 0.25);
  --prost-emerald-subtle: #059669;
  --prost-emerald-light: #ECFDF5;
  --prost-amber-subtle: #D97706;
  --prost-amber-light: #FEF3C7;
  
  --prost-warm-ivory: #FAF9F6;
  --prost-warm-surface: #F4F6F9;
  --prost-surface-card: #FFFFFF;
  --prost-border-subtle: #E2E8F0;
  --prost-border-accent: rgba(0, 102, 204, 0.16);
  
  --prost-text-heading: #0F172A;
  --prost-text-body: #334155;
  --prost-text-muted: #64748B;
  --prost-text-light: #94A3B8;
  
  --prost-font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --prost-font-mono: 'Space Grotesk', 'SF Mono', Consolas, monospace;
  
  --prost-shadow-sm: 0 4px 14px rgba(7, 21, 43, 0.04);
  --prost-shadow-card: 0 14px 36px -4px rgba(7, 21, 43, 0.08);
  --prost-shadow-hover: 0 24px 48px -8px rgba(0, 102, 204, 0.16);
  --prost-shadow-glow: 0 0 45px rgba(14, 165, 233, 0.18);
  
  --prost-ease-fluid: cubic-bezier(0.16, 1, 0.3, 1);
  --prost-ease-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- 2. BASE RESETS & SAFE VISIBILITY --- */
body.ocular-prosthetics-page {
  font-family: var(--prost-font-display);
  background-color: var(--prost-warm-ivory);
  color: var(--prost-text-body);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.ocular-prosthetics-page,
.ocular-prosthetics-page * {
  box-sizing: border-box;
}

/* SAFE DEFAULT VISIBILITY: 100% visible and readable if JS is disabled */
.ocular-prosthetics-page h1,
.ocular-prosthetics-page h2,
.ocular-prosthetics-page h3,
.ocular-prosthetics-page h4,
.ocular-prosthetics-page h5,
.ocular-prosthetics-page h6,
.ocular-prosthetics-page p,
.ocular-prosthetics-page .prost-card,
.ocular-prosthetics-page .prost-service-panel,
.ocular-prosthetics-page .prost-timeline-card,
.ocular-prosthetics-page .prost-checklist-item,
.ocular-prosthetics-page .prost-cost-factor-card {
  opacity: 1;
  visibility: visible;
}

/* --- 2.1 PROGRESSIVE SCROLL REVEALS (CSS3 + INTERSECTIONOBSERVER) --- */
.prost-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.65s cubic-bezier(0.2, 0.65, 0.2, 1), transform 0.65s cubic-bezier(0.2, 0.65, 0.2, 1);
}

.js-ready .prost-reveal {
  opacity: 0;
  transform: translateY(22px);
}

.js-ready .prost-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- 3. CUSTOM PRELOADER --- */
.prost-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--prost-navy-deep);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity 0.4s var(--prost-ease-fluid), visibility 0.4s ease;
}

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

.prost-loader-iris {
  position: relative;
  width: 76px;
  height: 76px;
}

.prost-loader-ring-outer {
  position: absolute;
  inset: 0;
  border: 2px solid rgba(14, 165, 233, 0.15);
  border-top-color: var(--prost-cyan-vibrant);
  border-radius: 50%;
  animation: prostSpin 2s linear infinite;
}

.prost-loader-ring-inner {
  position: absolute;
  inset: 14px;
  border: 2px dashed rgba(56, 189, 248, 0.4);
  border-bottom-color: #38BDF8;
  border-radius: 50%;
  animation: prostSpinRev 1.5s linear infinite;
}

.prost-loader-pupil {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background: #FFFFFF;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 16px var(--prost-cyan-vibrant);
}

.prost-loader-text {
  font-family: var(--prost-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: #94A3B8;
  text-transform: uppercase;
}

@keyframes prostSpin {
  100% { transform: rotate(360deg); }
}

@keyframes prostSpinRev {
  100% { transform: rotate(-360deg); }
}

/* --- 4. COMMON SECTION TYPOGRAPHY & LAYOUTS --- */
.prost-section {
  padding: 85px 0;
  position: relative;
}

.prost-section--dark {
  background-color: var(--prost-navy-primary);
  color: #FFFFFF;
}

.prost-section--surface {
  background-color: var(--prost-warm-surface);
}

.prost-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--prost-font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--prost-blue-primary);
  margin-bottom: 12px;
}

.prost-section--dark .prost-eyebrow {
  color: #38BDF8;
}

.prost-heading-display {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--prost-text-heading);
  margin-bottom: 20px;
}

.prost-section--dark .prost-heading-display {
  color: #FFFFFF;
}

.prost-lead {
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--prost-text-body);
  max-width: 760px;
}

.prost-section--dark .prost-lead {
  color: #94A3B8;
}

/* --- 5. BUTTONS & UI CONTROLS --- */
.prost-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  background: linear-gradient(135deg, var(--prost-blue-primary) 0%, #0080FF 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 15px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.prost-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 102, 204, 0.48);
  color: #FFFFFF !important;
}

.prost-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 15px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.25s ease;
}

.prost-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

/* --- 6. SECTION 01: HERO --- */
.prost-hero {
  position: relative;
  background-color: var(--prost-navy-deep);
  color: #FFFFFF;
  padding: 130px 0 85px;
  overflow: hidden;
}

.prost-hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 65% 50%, black, transparent 80%);
  pointer-events: none;
}

.prost-hero-orbital-glow {
  position: absolute;
  top: 15%;
  right: 12%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, rgba(0, 102, 204, 0.05) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.prost-hero-content {
  animation: prostHeroContentIn 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes prostHeroContentIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.prost-hero-concept {
  font-family: var(--prost-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: #38BDF8;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.prost-hero-concept::before {
  content: '';
  width: 14px;
  height: 2px;
  background: #38BDF8;
}

.prost-hero-h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.prost-hero-desc {
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  line-height: 1.7;
  color: #CBD5E1;
  margin-bottom: 32px;
  max-width: 620px;
}

.prost-hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.prost-hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.prost-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(11, 30, 61, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 6px;
  font-size: 13px;
  color: #E2E8F0;
  backdrop-filter: blur(6px);
}

.prost-hero-pill i {
  color: #38BDF8;
}

/* Hero Media Box */
.prost-hero-media-wrap {
  position: relative;
  border-radius: 20px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  box-shadow: 0 24px 60px rgba(3, 9, 20, 0.6);
  animation: prostHeroMediaIn 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s both;
}

@keyframes prostHeroMediaIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.prost-hero-img-box {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--prost-navy-surface);
}

.prost-hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.prost-hero-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(3, 9, 20, 0.9);
  border: 1px solid rgba(56, 189, 248, 0.3);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.prost-hero-badge-dot {
  width: 10px;
  height: 10px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10B981;
}

.prost-hero-badge-title {
  font-family: var(--prost-font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #38BDF8;
  text-transform: uppercase;
}

.prost-hero-badge-sub {
  font-size: 13.5px;
  color: #FFFFFF;
  font-weight: 600;
}

/* --- 7. SECTION 02: WHAT IS OCULAR PROSTHETICS? --- */
.prost-understand-grid {
  display: grid;
  grid-template-columns: 80px 1fr 1.3fr;
  gap: 36px;
  align-items: start;
  margin-bottom: 44px;
}

.prost-chapter-num {
  font-family: var(--prost-font-mono);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(0, 102, 204, 0.18);
  user-select: none;
}

.prost-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.prost-pillar-card {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 16px;
  padding: 26px 22px;
  transition: all 0.3s ease;
  box-shadow: var(--prost-shadow-sm);
}

.prost-pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--prost-blue-primary);
  box-shadow: var(--prost-shadow-card);
}

.prost-pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--prost-blue-subtle);
  color: var(--prost-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.prost-pillar-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 8px;
}

.prost-pillar-desc {
  font-size: 14px;
  color: var(--prost-text-muted);
  line-height: 1.55;
  margin-bottom: 0;
}

/* Critical Note Banner */
.prost-vision-notice {
  margin-top: 32px;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 12px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #92400E;
  font-size: 14px;
}

.prost-vision-notice i {
  font-size: 22px;
  color: #D97706;
  flex-shrink: 0;
}

/* --- 8. SECTION 03: WHY PEOPLE MAY NEED AN OCULAR PROSTHESIS --- */
.prost-reasons-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}

.prost-reason-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 14px;
  padding: 22px 28px;
  transition: all 0.25s ease;
}

.prost-reason-item:hover {
  border-color: var(--prost-blue-primary);
  transform: translateX(6px);
  box-shadow: var(--prost-shadow-sm);
}

.prost-reason-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.prost-reason-num {
  font-family: var(--prost-font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--prost-blue-primary);
  background: var(--prost-blue-subtle);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.prost-reason-text h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 4px;
}

.prost-reason-text p {
  font-size: 14px;
  color: var(--prost-text-muted);
  margin-bottom: 0;
}

.prost-reason-icon {
  font-size: 20px;
  color: var(--prost-text-light);
  transition: transform 0.25s ease, color 0.25s ease;
}

.prost-reason-item:hover .prost-reason-icon {
  color: var(--prost-blue-primary);
  transform: translateX(4px);
}

/* --- 9. SECTION 04: THE ROLE OF OCULAR PROSTHETICS (HUMAN IMPACT) --- */
.prost-impact-quote {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  padding-left: 24px;
  border-left: 4px solid #38BDF8;
}

.prost-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.prost-impact-card {
  background: var(--prost-navy-surface);
  border: 1px solid var(--prost-navy-border);
  border-radius: 16px;
  padding: 32px 26px;
  transition: all 0.3s ease;
}

.prost-impact-card:hover {
  transform: translateY(-4px);
  border-color: #38BDF8;
}

.prost-impact-card-num {
  font-family: var(--prost-font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: #38BDF8;
  margin-bottom: 12px;
}

.prost-impact-card-title {
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.prost-impact-card-desc {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 0;
}

/* --- 10. SECTION 05: OCULAR PROSTHETICS SERVICES (INTERACTIVE EDITORIAL) --- */
.prost-services-story {
  display: grid;
  grid-template-columns: minmax(250px, 0.32fr) minmax(0, 0.68fr);
  gap: 48px;
  align-items: start;
  margin-top: 44px;
}

/* Left: Services Index */
.prost-services-index {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--prost-shadow-sm);
}

.prost-service-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 20px;
  border: none;
  border-bottom: 1px solid var(--prost-border-subtle);
  border-left: 3px solid transparent;
  background: transparent;
  text-align: left;
  font-family: var(--prost-font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--prost-text-body);
  transition: all 0.25s ease;
  cursor: pointer;
}

.prost-service-btn:last-child {
  border-bottom: none;
}

.prost-service-btn:hover {
  background: var(--prost-warm-surface);
  color: var(--prost-blue-primary);
  padding-left: 24px;
}

.prost-service-btn.active {
  background: var(--prost-blue-subtle);
  border-left-color: var(--prost-blue-primary);
  color: var(--prost-blue-primary);
  font-weight: 700;
  padding-left: 24px;
}

.prost-service-btn .btn-num {
  font-family: var(--prost-font-mono);
  font-size: 12.5px;
  color: var(--prost-text-muted);
  margin-right: 12px;
}

.prost-service-btn.active .btn-num {
  color: var(--prost-blue-primary);
  font-weight: 800;
}

.prost-service-btn .btn-name {
  flex: 1;
}

.prost-service-btn i {
  font-size: 16px;
  color: var(--prost-text-muted);
  transition: transform 0.25s ease;
}

.prost-service-btn.active i {
  color: var(--prost-blue-primary);
  transform: translateX(4px);
}

/* Right: Service Stage Canvas */
.prost-service-stage {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 20px;
  padding: 44px 38px;
  box-shadow: var(--prost-shadow-card);
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.prost-service-panel {
  display: block;
  opacity: 1;
  transform: none;
  margin-bottom: 24px;
}

.js-ready .prost-service-panel {
  display: none !important;
  opacity: 0;
  transform: translateY(10px);
  margin-bottom: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.js-ready .prost-service-panel.active {
  display: block !important;
  opacity: 1;
  transform: translateY(0);
}

.prost-service-header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.prost-service-tag-num {
  font-family: var(--prost-font-mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--prost-blue-primary);
  background: var(--prost-blue-subtle);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--prost-border-accent);
}

.prost-service-category {
  font-family: var(--prost-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--prost-text-muted);
  text-transform: uppercase;
}

.prost-service-title {
  font-size: clamp(1.6rem, 2.2vw, 2.1rem);
  font-weight: 800;
  color: var(--prost-text-heading);
  margin-bottom: 14px;
  line-height: 1.25;
}

.prost-service-desc {
  font-size: 15.5px;
  color: var(--prost-text-body);
  line-height: 1.7;
  margin-bottom: 24px;
}

.prost-service-advantages-title {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--prost-font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--prost-text-heading);
  margin-bottom: 12px;
}

.prost-service-adv-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prost-service-adv-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  color: var(--prost-text-body);
}

.prost-service-adv-list li i {
  color: var(--prost-blue-primary);
  font-size: 15px;
  margin-top: 2px;
  background: var(--prost-blue-light);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.prost-service-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid var(--prost-border-subtle);
}

.prost-service-cost-box {
  display: flex;
  flex-direction: column;
}

.prost-service-cost-label {
  font-family: var(--prost-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--prost-text-muted);
}

.prost-service-cost-val {
  font-family: var(--prost-font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--prost-blue-primary);
}

/* --- 11. SECTION 06 & 07: COST & MATERIALS --- */
.prost-cost-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.prost-cost-factor-card {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 14px;
  padding: 24px 20px;
  transition: all 0.25s ease;
}

.prost-cost-factor-card:hover {
  border-color: var(--prost-blue-primary);
  transform: translateY(-3px);
  box-shadow: var(--prost-shadow-sm);
}

.prost-cost-factor-num {
  font-family: var(--prost-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--prost-blue-primary);
  margin-bottom: 8px;
}

.prost-cost-factor-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 6px;
}

.prost-cost-factor-desc {
  font-size: 13.5px;
  color: var(--prost-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Cost Spectrum Summary Table */
.prost-spectrum-table {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--prost-shadow-sm);
  margin-top: 32px;
}

.prost-spectrum-row {
  display: grid;
  grid-template-columns: 2fr 1.2fr 2fr;
  gap: 20px;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--prost-border-subtle);
}

.prost-spectrum-row:last-child {
  border-bottom: none;
}

.prost-spectrum-row.header-row {
  background: var(--prost-warm-surface);
  font-family: var(--prost-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--prost-text-muted);
  text-transform: uppercase;
}

.prost-spectrum-service-title {
  font-weight: 700;
  color: var(--prost-text-heading);
  font-size: 15px;
}

.prost-spectrum-cost-tag {
  font-family: var(--prost-font-mono);
  font-weight: 800;
  color: var(--prost-blue-primary);
  font-size: 15px;
}

.prost-spectrum-note {
  font-size: 13px;
  color: var(--prost-text-muted);
}

.prost-cost-disclaimer-card {
  margin-top: 28px;
  padding: 16px 22px;
  background: rgba(0, 102, 204, 0.04);
  border: 1px dashed var(--prost-border-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
  color: var(--prost-text-muted);
}

.prost-cost-disclaimer-card i {
  font-size: 20px;
  color: var(--prost-blue-primary);
  flex-shrink: 0;
}

/* --- 12. SECTION 08: CHOOSING A CENTRE (CHECKLIST) --- */
.prost-checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
}

.prost-checklist-item {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.25s ease;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.prost-checklist-item:hover {
  border-color: var(--prost-blue-primary);
  transform: translateY(-3px);
  box-shadow: var(--prost-shadow-card);
}

.prost-checklist-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--prost-emerald-light);
  color: var(--prost-emerald-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.prost-checklist-text h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 4px;
}

.prost-checklist-text p {
  font-size: 13.5px;
  color: var(--prost-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --- 13. SECTION 09: INSURANCE & TPA --- */
.prost-insurance-box {
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 18px;
  padding: 36px;
  box-shadow: var(--prost-shadow-sm);
  margin-top: 36px;
}

.prost-insurance-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 28px 0;
}

.prost-ins-point {
  padding: 18px;
  background: var(--prost-warm-surface);
  border-radius: 12px;
  border: 1px solid var(--prost-border-subtle);
}

.prost-ins-point h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prost-ins-point h4 i {
  color: var(--prost-blue-primary);
}

.prost-ins-point p {
  font-size: 13.5px;
  color: var(--prost-text-muted);
  margin-bottom: 0;
}

/* --- 14. SECTION 10: WHAT TO EXPECT (TIMELINE) --- */
.prost-timeline-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.prost-timeline-card {
  background: var(--prost-navy-surface);
  border: 1px solid var(--prost-navy-border);
  border-radius: 14px;
  padding: 22px 18px;
  position: relative;
  transition: all 0.3s ease;
}

.prost-timeline-card:hover {
  transform: translateY(-4px);
  border-color: #38BDF8;
}

.prost-timeline-num {
  font-family: var(--prost-font-mono);
  font-size: 12px;
  font-weight: 800;
  color: #38BDF8;
  margin-bottom: 8px;
}

.prost-timeline-title {
  font-size: 15.5px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.prost-timeline-time {
  font-family: var(--prost-font-mono);
  font-size: 12px;
  color: #38BDF8;
  background: rgba(56, 189, 248, 0.15);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}

.prost-timeline-desc {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.5;
  margin-bottom: 0;
}

/* --- 15. SECTION 11 & 12: SPECIALIST CARE & TRUSTED KLARITY --- */
.prost-trust-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.prost-trust-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.prost-trust-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.prost-trust-feature-item i {
  color: #10B981;
  font-size: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

.prost-trust-feature-item h4 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--prost-text-heading);
  margin-bottom: 2px;
}

.prost-trust-feature-item p {
  font-size: 13.5px;
  color: var(--prost-text-muted);
  margin-bottom: 0;
}

/* --- 16. SECTION 13: RELATED EYE CARE --- */
.prost-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.prost-related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #FFFFFF;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 12px;
  text-decoration: none;
  color: var(--prost-text-heading);
  font-weight: 700;
  font-size: 14.5px;
  transition: all 0.25s ease;
}

.prost-related-link:hover {
  border-color: var(--prost-blue-primary);
  color: var(--prost-blue-primary);
  transform: translateX(4px);
  box-shadow: var(--prost-shadow-sm);
}

.prost-related-link .rel-num {
  font-family: var(--prost-font-mono);
  font-size: 12px;
  color: var(--prost-text-muted);
  margin-right: 10px;
}

.prost-related-link i {
  color: var(--prost-text-muted);
  font-size: 18px;
  transition: transform 0.25s ease;
}

.prost-related-link:hover i {
  color: var(--prost-blue-primary);
  transform: translateX(4px);
}

/* --- 17. SECTION 14: FINAL ACTION & APPOINTMENT FORM --- */
.prost-cta-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.prost-form-box {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 36px 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.prost-form-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--prost-text-heading);
  margin-bottom: 6px;
}

.prost-form-sub {
  font-size: 13.5px;
  color: var(--prost-text-muted);
  margin-bottom: 22px;
}

.prost-form-group {
  margin-bottom: 16px;
}

.prost-form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--prost-text-heading);
  margin-bottom: 5px;
}

.prost-form-input,
.prost-form-select,
.prost-form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--prost-border-subtle);
  border-radius: 8px;
  font-family: var(--prost-font-display);
  font-size: 14px;
  color: var(--prost-text-heading);
  background: var(--prost-warm-surface);
  transition: all 0.25s ease;
}

.prost-form-input:focus,
.prost-form-select:focus,
.prost-form-textarea:focus {
  outline: none;
  border-color: var(--prost-blue-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.prost-form-submit-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--prost-blue-primary) 0%, #0080FF 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 6px 18px rgba(0, 102, 204, 0.3);
}

.prost-form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 102, 204, 0.45);
}

/* --- 18. SUCCESS MODAL & BACKDROP --- */
.success-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(4, 15, 35, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

body.modal-open {
  overflow: hidden !important;
}

.success-modal-backdrop.is-open,
body.modal-open .success-modal-backdrop {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.success-modal {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 36px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 9999;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.success-modal-backdrop.is-open .success-modal,
body.modal-open .success-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.success-modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--prost-emerald-light);
  color: var(--prost-emerald-subtle);
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.success-modal-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--prost-text-heading);
  margin-bottom: 10px;
}

.success-modal-desc {
  font-size: 14px;
  color: var(--prost-text-muted);
  line-height: 1.6;
  margin-bottom: 22px;
}

.success-modal-close-btn {
  padding: 11px 26px;
  background: var(--prost-navy-primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.success-modal-close-btn:hover {
  background: var(--prost-blue-primary);
  transform: translateY(-1px);
}

/* --- 19. RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1200px) {
  .prost-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prost-cost-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prost-checklist-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prost-timeline-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .prost-hero {
    padding: 100px 0 60px;
  }
  .prost-understand-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .prost-services-story {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .prost-services-index {
    flex-direction: row;
    overflow-x: auto;
    border-radius: 12px;
    padding: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .prost-service-btn {
    white-space: nowrap;
    width: auto;
    border-bottom: none;
    border-left: none;
    border-radius: 8px;
    padding: 10px 16px;
  }
  .prost-service-btn.active {
    border-left: none;
    padding-left: 16px;
  }
  .prost-service-btn i {
    display: none;
  }
  .prost-service-stage {
    padding: 28px 20px;
    min-height: auto;
  }
  .prost-impact-grid,
  .prost-insurance-points,
  .prost-checklist-grid {
    grid-template-columns: 1fr;
  }
  .prost-trust-split,
  .prost-cta-split {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .prost-timeline-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .prost-spectrum-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .prost-spectrum-row.header-row {
    display: none;
  }
  .prost-spectrum-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .prost-section {
    padding: 60px 0;
  }
  .prost-pillars-grid,
  .prost-cost-grid,
  .prost-timeline-steps {
    grid-template-columns: 1fr;
  }
  .prost-reason-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .prost-reason-icon {
    display: none;
  }
  .prost-form-box {
    padding: 24px 18px;
  }
}

@media (max-width: 576px) {
  .prost-hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .prost-btn-primary,
  .prost-btn-secondary {
    width: 100%;
  }
  .prost-service-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .prost-service-footer .prost-btn-primary {
    width: 100%;
  }
}

/* --- 20. ACCESSIBILITY / PREFERS-REDUCED-MOTION --- */
@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;
  }
  .js-ready .prost-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}