/* Custom CSS Variables - Based on Eye Health & Vision Theme */
:root {
  --vision-bg: #0b0f17;
  --vision-surface: #141b27;
  --vision-surface-accent: #1e293b;
  --vision-accent: #38bdf8;
  --vision-accent-glow: rgba(56, 189, 248, 0.15);
  --vision-accent-solid: #0ea5e9;
  --vision-ink: #f8fafc;
  --vision-ink-muted: #94a3b8;
  --vision-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  --vision-gradient-overlay: linear-gradient(to bottom, rgba(11, 15, 23, 0.85), rgba(11, 15, 23, 0.95));
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --vision-radius: 16px;
  --vision-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  --vision-shadow-raised: 0 20px 40px -10px rgba(56, 189, 248, 0.2);
}

/* Base Styles & Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--vision-bg);
  color: var(--vision-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

/* Scroll-driven Progress Bar */
@keyframes progress-grow {
  from { width: 0%; }
  to { width: 100%; }
}

.ocular-scroll-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--vision-gradient);
  width: 0%;
  animation: progress-grow linear;
  animation-timeline: scroll();
  z-index: 1000;
}

/* Viewport Entry Animation */
@keyframes opti-reveal-up {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.opti-reveal-item {
  animation: opti-reveal-up both;
  animation-timeline: view();
  animation-range: entry 5% cover 30%;
}

/* Header & Hamburger Menu Styles */
.sight-navigation-glass {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--vision-surface);
  box-shadow: var(--vision-shadow);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sight-nav-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sight-brand-symbol {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--vision-ink);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sight-brand-symbol svg {
  fill: var(--vision-accent);
  width: 32px;
  height: 32px;
}

.sight-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.sight-nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--vision-ink-muted);
}

.sight-nav-link:hover,
.sight-nav-link.active-page {
  color: var(--vision-accent);
}

/* Hamburger Trigger (CSS Only) */
.sight-mobile-toggle-input {
  display: none;
}

.sight-mobile-toggle-label {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 1001;
}

.sight-mobile-toggle-label span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--vision-ink);
  transition: all 0.3s ease;
}

/* Fullscreen Billboards (Heros) */
.ocular-billboard-main {
  height: 100vh;
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ocular-billboard-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(11, 15, 23, 0.4) 0%, rgba(11, 15, 23, 0.9) 100%);
  z-index: 1;
}

.ocular-billboard-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
  padding: 0 1.5rem;
}

.ocular-billboard-headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--vision-ink);
  margin-bottom: 1.5rem;
}

.ocular-billboard-tagline {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--vision-ink-muted);
  margin-bottom: 2.5rem;
}

/* CTA Pill Buttons */
.focus-trigger-pill {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--vision-gradient);
  color: var(--vision-bg);
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: var(--vision-shadow-raised);
  transform: translateY(0);
}

.focus-trigger-pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px -5px rgba(56, 189, 248, 0.4);
}

/* Floating Stats Bar */
.sight-stat-bar-container {
  max-width: 1200px;
  margin: -80px auto 0 auto;
  position: relative;
  z-index: 10;
  padding: 0 1.5rem;
}

.sight-stat-bar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.sight-stat-card {
  background-color: var(--vision-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--vision-radius);
  padding: 2rem;
  box-shadow: var(--vision-shadow-raised);
  text-align: center;
  transition: transform 0.3s ease;
}

.sight-stat-card:hover {
  transform: translateY(-5px);
}

.sight-stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--vision-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.sight-stat-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--vision-ink);
}

.sight-stat-desc {
  font-size: 0.9rem;
  color: var(--vision-ink-muted);
  margin-top: 0.5rem;
}

/* Content Segments (Zigzag Layouts) */
.sight-segment-spacious {
  padding: 16dvh 1.5rem;
}

.sight-segment-alternate-bg {
  background-color: var(--vision-surface);
}

.sight-layout-limit {
  max-width: 1200px;
  margin: 0 auto;
}

.sight-diagonal-zigzag {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 6rem;
}

.sight-diagonal-zigzag:last-child {
  margin-bottom: 0;
}

.sight-diagonal-zigzag.reversed-zigzag {
  flex-direction: row-reverse;
}

.sight-zigzag-image-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-radius: var(--vision-radius);
  box-shadow: var(--vision-shadow);
  height: 450px;
}

.sight-zigzag-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.sight-diagonal-zigzag:hover .sight-zigzag-image-wrapper img {
  transform: scale(1.05);
}

/* Skewed clip paths for A preset */
.skew-right-clip {
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0% 100%);
}

.skew-left-clip {
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
}

.sight-zigzag-text-panel {
  flex: 1.2;
}

.sight-zigzag-meta {
  color: var(--vision-accent);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.sight-zigzag-title {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}

.sight-zigzag-paragraph {
  color: var(--vision-ink-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

/* Advantage Items (Features Component) */
.clarity-advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.eye-feature-item {
  background-color: var(--vision-surface-accent);
  border-left: 4px solid var(--vision-accent);
  border-radius: var(--vision-radius);
  padding: 2.5rem;
  box-shadow: var(--vision-shadow);
  transition: all 0.3s ease;
}

.eye-feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--vision-shadow-raised);
}

.eye-feature-icon {
  width: 50px;
  height: 50px;
  fill: var(--vision-accent);
  margin-bottom: 1.5rem;
}

.eye-feature-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.eye-feature-desc {
  color: var(--vision-ink-muted);
  font-size: 0.95rem;
}

/* How It Works (Vertical Timeline Left) */
.timeline-section-container {
  display: flex;
  gap: 3rem;
  position: relative;
  margin-top: 4rem;
}

.timeline-track-bar {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--vision-accent-glow);
}

.timeline-steps-series {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  width: 100%;
}

.timeline-step-unit {
  display: flex;
  gap: 2rem;
  position: relative;
}

.timeline-step-marker {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--vision-gradient);
  color: var(--vision-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: var(--vision-shadow-raised);
}

.timeline-step-content {
  background-color: var(--vision-surface);
  border-radius: var(--vision-radius);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--vision-shadow);
  flex-grow: 1;
}

.timeline-step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--vision-ink);
}

.timeline-step-text {
  color: var(--vision-ink-muted);
}

/* CTA Strip Component */
.sight-cta-strip-panel {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 10dvh 1.5rem;
  text-align: center;
}

.sight-cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 23, 0.85);
  z-index: 1;
}

.sight-cta-strip-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.sight-cta-strip-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  color: var(--vision-ink);
}

.sight-cta-strip-subtitle {
  font-size: 1.2rem;
  color: var(--vision-ink-muted);
  margin-bottom: 2.5rem;
}

/* Expert Page Specifics */
.expert-biography-split {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.expert-biography-visual {
  flex: 1;
  height: 550px;
  border-radius: var(--vision-radius);
  overflow: hidden;
  box-shadow: var(--vision-shadow);
}

.expert-biography-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.expert-biography-bio {
  flex: 1.2;
}

/* Form Booking Section */
.reserve-split-panel {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
  margin-top: 3rem;
}

.reserve-info-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.reserve-info-card-box {
  background-color: var(--vision-surface);
  border-radius: var(--vision-radius);
  padding: 2rem;
  box-shadow: var(--vision-shadow);
  border-left: 4px solid var(--vision-accent);
}

.reserve-info-inner-title {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.reserve-info-inner-title svg {
  width: 24px;
  height: 24px;
  fill: var(--vision-accent);
}

.reserve-bullet-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.reserve-bullet-point-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--vision-ink-muted);
}

.reserve-bullet-circle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--vision-accent);
  flex-shrink: 0;
}

.reserve-form-layout {
  flex: 1.2;
  background-color: var(--vision-surface);
  border-radius: var(--vision-radius);
  padding: 3rem;
  box-shadow: var(--vision-shadow-raised);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.reserve-form-header {
  margin-bottom: 2rem;
  text-align: center;
}

.reserve-form-header-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.reserve-form-header-desc {
  color: var(--vision-ink-muted);
  font-size: 0.95rem;
}

.reserve-input-group {
  margin-bottom: 1.5rem;
}

.reserve-input-element {
  width: 100%;
  padding: 1rem 1.5rem;
  background-color: var(--vision-surface-accent);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--vision-radius);
  color: var(--vision-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.reserve-input-element:focus {
  outline: none;
  border-color: var(--vision-accent);
  box-shadow: 0 0 0 3px var(--vision-accent-glow);
}

textarea.reserve-input-element {
  resize: vertical;
  min-height: 120px;
}

.reserve-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 2rem;
  cursor: pointer;
}

.reserve-checkbox-element {
  width: 18px;
  height: 18px;
  accent-color: var(--vision-accent);
  margin-top: 3px;
}

.reserve-checkbox-label {
  font-size: 0.85rem;
  color: var(--vision-ink-muted);
}

.reserve-checkbox-label a {
  color: var(--vision-accent);
  text-decoration: underline;
}

.reserve-submit-action {
  width: 100%;
  padding: 1.2rem;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 1.1rem;
}

.reserve-contact-anchor {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  font-weight: 600;
  color: var(--vision-accent);
}

/* FAQ Accordion Component */
.sight-faq-section {
  margin-top: 6rem;
}

.sight-faq-headline {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.sight-faq-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.sight-faq-accordion {
  background-color: var(--vision-surface);
  border-radius: var(--vision-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.sight-faq-summary {
  padding: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  user-select: none;
  outline: none;
  color: var(--vision-ink);
  transition: color 0.3s ease;
}

.sight-faq-summary:hover {
  color: var(--vision-accent);
}

.sight-faq-details-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--vision-ink-muted);
  font-size: 0.95rem;
}

/* Footer Section */
.footer-hull {
  background-color: var(--vision-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 5rem 1.5rem 2rem 1.5rem;
}

.footer-hull-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col-description {
  color: var(--vision-ink-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
}

.footer-col-headline {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

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

.footer-col-link {
  color: var(--vision-ink-muted);
  font-size: 0.95rem;
}

.footer-col-link:hover {
  color: var(--vision-accent);
}

.footer-col-disclaimer {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  color: var(--vision-ink-muted);
  font-size: 0.85rem;
}

.footer-col-cr {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
}

/* legal pages special simple styles */
.legal-hull-text {
  max-width: 800px;
  margin: 0 auto;
  padding: 10dvh 1.5rem;
}

.legal-hull-text h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.legal-hull-text h2 {
  font-size: 1.8rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.legal-hull-text p {
  color: var(--vision-ink-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

/* Cookie Banner Styles */
.opti-cookie-banner-wrapper {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  max-width: 500px;
  background-color: var(--vision-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 15px 40px rgba(0,0,0,0.7);
  border-radius: var(--vision-radius);
  z-index: 10000;
  padding: 2rem;
  display: none;
  animation: opti-reveal-up 0.5s ease;
}

.opti-cookie-text {
  font-size: 0.95rem;
  color: var(--vision-ink-muted);
  margin-bottom: 1.5rem;
}

.opti-cookie-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.opti-cookie-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.opti-cookie-btn-accept {
  background: var(--vision-gradient);
  color: var(--vision-bg);
}

.opti-cookie-btn-decline {
  background-color: transparent;
  color: var(--vision-ink);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.opti-cookie-btn-decline:hover {
  background-color: rgba(255,255,255,0.05);
}

/* Mobile Responsiveness */
@media (max-width: 991px) {
  .sight-diagonal-zigzag,
  .sight-diagonal-zigzag.reversed-zigzag {
    flex-direction: column;
    gap: 2rem;
  }
  
  .sight-zigzag-image-wrapper {
    height: 300px;
    width: 100%;
  }
  
  .skew-right-clip,
  .skew-left-clip {
    clip-path: none;
  }
  
  .expert-biography-split,
  .reserve-split-panel {
    flex-direction: column;
    gap: 3rem;
  }
  
  .expert-biography-visual {
    height: 350px;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .sight-mobile-toggle-label {
    display: flex;
  }
  
  .sight-nav-links {
    position: fixed;
    top: 72px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background-color: var(--vision-surface);
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    transition: right 0.4s cubic-bezier(0.77,0.2,0.05,1.0);
    box-shadow: var(--vision-shadow);
  }
  
  .sight-mobile-toggle-input:checked ~ .sight-nav-links {
    right: 0;
  }
  
  .sight-mobile-toggle-input:checked ~ .sight-mobile-toggle-label span:nth-child(1) {
    transform: rotate(45deg) translate(6deg, 6deg);
  }
  
  .sight-mobile-toggle-input:checked ~ .sight-mobile-toggle-label span:nth-child(2) {
    opacity: 0;
  }
  
  .sight-mobile-toggle-input:checked ~ .sight-mobile-toggle-label span:nth-child(3) {
    transform: rotate(-45deg) translate(6deg, -7deg);
  }
  
  .opti-cookie-banner-wrapper {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    padding: 1.5rem;
  }
}