:root {
  --opti-bg-core: #0d1117;
  --opti-surface-panel: #161b22;
  --opti-surface-card: #21262d;
  --opti-content-light: #f8fafc;
  --opti-content-card-bg: #ffffff;
  --opti-text-main: #f0f6fc;
  --opti-text-dark: #0f172a;
  --opti-text-subtle: #8b949e;
  --opti-cyan-glow: #00f2fe;
  --opti-blue-glow: #4facfe;
  --opti-accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --opti-dark-gradient: linear-gradient(180deg, rgba(13,17,23,0.7) 0%, rgba(13,17,23,0.95) 100%);

  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --opti-radius-pill: 999px;
  --opti-radius-soft: 16px;
  --opti-radius-sharp: 4px;

  --opti-shadow-elevated: 0 16px 36px rgba(0, 0, 0, 0.4);
  --opti-shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.12);

  --opti-section-padding: 10dvh;
}

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

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

body.opti-body-frame {
  background-color: var(--opti-bg-core);
  color: var(--opti-text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Scroll animation indicator */
.opti-scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--opti-accent-gradient);
  z-index: 10000;
  width: 100%;
  transform-origin: 0 50%;
  animation: opti-progress auto linear;
  animation-timeline: scroll();
}

@keyframes opti-progress {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* Header Component */
.opti-top-header {
  position: sticky;
  top: 0;
  z-index: 9000;
  background-color: var(--opti-surface-panel);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.opti-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.opti-brand-svg {
  color: var(--opti-cyan-glow);
}

.opti-brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--opti-text-main);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.opti-navigation-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.opti-nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--opti-text-subtle);
}

.opti-nav-link:hover, .opti-nav-active {
  color: var(--opti-cyan-glow);
}

.opti-nav-cta {
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark) !important;
  padding: 0.6rem 1.25rem;
  border-radius: var(--opti-radius-pill);
  font-weight: 700;
}

.opti-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
}

.opti-nav-checkbox, .opti-burger-label {
  display: none;
}

/* Mobile Header Hamburger */
@media (max-width: 768px) {
  .opti-burger-label {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    cursor: pointer;
    z-index: 9500;
  }

  .opti-burger-label span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--opti-text-main);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .opti-navigation-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--opti-surface-panel);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 2px solid var(--opti-cyan-glow);
    transform: translateY(-150%);
    transition: transform 0.35s ease;
  }

  .opti-nav-checkbox:checked ~ .opti-navigation-menu {
    transform: translateY(0);
  }
}

/* Fullscreen Hero (index.html) */
.ocular-hero-viewport {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem 6rem;
  background-image: url('img/bg.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.ocular-hero-backdrop {
  position: absolute;
  inset: 0;
  background: var(--opti-dark-gradient);
  z-index: 1;
}

.ocular-hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.ocular-hero-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  background: var(--opti-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ocular-hero-subhead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #d1d5db;
  margin-bottom: 2.25rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.ocular-action-trigger {
  display: inline-block;
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  font-family: var(--font-display);
  font-weight: 800;
  padding: 1.1rem 2.5rem;
  border-radius: var(--opti-radius-pill);
  font-size: 1rem;
  letter-spacing: 0.5px;
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.35);
}

.ocular-action-trigger:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 242, 254, 0.5);
}

/* Floating Stat-Bar */
.vision-floating-statbar {
  position: relative;
  z-index: 10;
  max-width: 1100px;
  margin: -60px auto 0;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.vision-stat-unit {
  background-color: var(--opti-surface-panel);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--opti-radius-soft);
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: var(--opti-shadow-elevated);
}

.vision-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--opti-cyan-glow);
  margin-bottom: 0.35rem;
}

.vision-stat-label {
  font-size: 0.9rem;
  color: var(--opti-text-subtle);
  font-weight: 600;
}

/* Zig-Zag Section (Light background area) */
.zigzag-sight-section {
  background-color: var(--opti-content-light);
  color: var(--opti-text-dark);
  padding: var(--opti-section-padding) 1.5rem;
  margin-top: 4rem;
}

.zigzag-item-wrap {
  max-width: 1200px;
  margin: 0 auto 5rem;
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.zigzag-item-wrap:last-child {
  margin-bottom: 0;
}

.zigzag-reverse-flow {
  flex-direction: row-reverse;
}

.zigzag-media-cut-left, .zigzag-media-cut-right {
  flex: 0 0 45%;
  position: relative;
  overflow: hidden;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-soft);
}

.zigzag-media-cut-left img, .zigzag-media-cut-right img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.zigzag-media-cut-left {
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

.zigzag-media-cut-right {
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.zigzag-info-panel {
  flex: 1;
}

.opti-tag-badge {
  display: inline-block;
  background-color: rgba(0, 242, 254, 0.15);
  color: #0284c7;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--opti-radius-pill);
  margin-bottom: 1rem;
}

.zigzag-panel-title {
  font-size: 1.85rem;
  color: var(--opti-text-dark);
  margin-bottom: 1rem;
}

.zigzag-panel-desc {
  font-size: 1rem;
  color: #475569;
  margin-bottom: 1rem;
}

/* Features Grid (4 Items) */
.eye-habit-section {
  padding: var(--opti-section-padding) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.eye-habit-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.eye-habit-title {
  font-size: 2.2rem;
  color: var(--opti-text-main);
  margin-bottom: 0.75rem;
}

.eye-habit-subtitle {
  color: var(--opti-text-subtle);
  font-size: 1.05rem;
}

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

.eye-habit-item {
  background-color: var(--opti-surface-panel);
  border-left: 4px solid var(--opti-cyan-glow);
  padding: 2rem 1.5rem;
  border-radius: 0 var(--opti-radius-soft) var(--opti-radius-soft) 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.eye-habit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--opti-shadow-elevated);
}

.habit-icon-bubble {
  color: var(--opti-cyan-glow);
  margin-bottom: 1.25rem;
}

.habit-item-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--opti-text-main);
}

.habit-item-desc {
  color: var(--opti-text-subtle);
  font-size: 0.95rem;
}

/* Vertical Timeline */
.vert-timeline-section {
  background-color: var(--opti-surface-panel);
  padding: var(--opti-section-padding) 1.5rem;
}

.vert-timeline-header {
  text-align: center;
  margin-bottom: 4rem;
}

.vert-timeline-main-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.vert-timeline-sub-title {
  color: var(--opti-text-subtle);
}

.vert-timeline-shell {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.vert-timeline-stem {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--opti-accent-gradient);
  transform: translateX(-50%);
}

.vert-timeline-node {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 3.5rem;
}

.vert-node-left {
  flex-direction: row-reverse;
}

.vert-node-right {
  flex-direction: row;
}

.vert-node-circle {
  width: 50px;
  height: 50px;
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
  margin: 0 2rem;
}

.vert-node-content {
  background-color: var(--opti-surface-card);
  padding: 1.75rem;
  border-radius: var(--opti-radius-soft);
  width: calc(50% - 4.5rem);
  box-shadow: var(--opti-shadow-soft);
}

.vert-node-title {
  font-size: 1.15rem;
  color: var(--opti-cyan-glow);
  margin-bottom: 0.5rem;
}

.vert-node-desc {
  font-size: 0.95rem;
  color: var(--opti-text-subtle);
}

/* CTA Strip Banner */
.retina-banner-strip {
  position: relative;
  background-image: url('img/bg.webp');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  padding: 6rem 1.5rem;
  text-align: center;
}

.retina-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, 0.85);
  z-index: 1;
}

.retina-banner-box {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.retina-banner-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.retina-banner-text {
  font-size: 1.1rem;
  color: var(--opti-text-subtle);
  margin-bottom: 2rem;
}

/* Cookie Banner */
.cookie-notice-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--opti-surface-panel);
  border-top: 2px solid var(--opti-cyan-glow);
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  box-shadow: 0 -8px 24px rgba(0,0,0,0.5);
}

.cookie-notice-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-notice-text {
  font-size: 0.9rem;
  color: var(--opti-text-main);
  flex: 1;
  min-width: 280px;
}

.cookie-notice-buttons {
  display: flex;
  gap: 1rem;
}

.cookie-btn-allow {
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  padding: 0.6rem 1.5rem;
  border-radius: var(--opti-radius-pill);
  cursor: pointer;
}

.cookie-btn-deny {
  background: transparent;
  color: var(--opti-text-subtle);
  border: 1px solid var(--opti-text-subtle);
  font-family: var(--font-display);
  font-weight: 600;
  padding: 0.6rem 1.5rem;
  border-radius: var(--opti-radius-pill);
  cursor: pointer;
}

/* Footer Styling */
.opti-ftr-frame {
  background-color: #080b0f;
  color: var(--opti-text-subtle);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: auto;
}

.opti-ftr-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 3rem;
}

.opti-ftr-desc {
  margin-top: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.opti-ftr-heading {
  color: var(--opti-text-main);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.opti-ftr-nav-list {
  list-style: none;
}

.opti-ftr-nav-list li {
  margin-bottom: 0.6rem;
}

.opti-ftr-nav-list a {
  font-size: 0.88rem;
}

.opti-ftr-nav-list a:hover {
  color: var(--opti-cyan-glow);
}

.opti-ftr-disclaimer {
  font-size: 0.8rem;
  line-height: 1.5;
  background-color: var(--opti-surface-panel);
  padding: 1rem;
  border-radius: var(--opti-radius-sharp);
  border-left: 3px solid var(--opti-cyan-glow);
}

.opti-ftr-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  padding: 1.25rem 1.5rem;
  font-size: 0.85rem;
}

/* Expert Page Specifics */
.expert-hero-compact {
  position: relative;
  background-image: url('img/bg.webp');
  background-size: cover;
  background-position: center;
  padding: 6rem 1.5rem 4rem;
  text-align: center;
}

.expert-hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--opti-dark-gradient);
}

.expert-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.expert-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  color: var(--opti-text-main);
}

.expert-hero-sub {
  color: var(--opti-text-subtle);
  font-size: 1.05rem;
}

.expert-stats-row {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.expert-stat-box {
  background-color: var(--opti-surface-panel);
  padding: 2rem 1rem;
  border-radius: var(--opti-radius-soft);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.expert-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--opti-cyan-glow);

}

.expert-stat-label {
  font-size: 0.85rem;
  color: var(--opti-text-subtle);
}

.expert-split-section {
  padding: var(--opti-section-padding) 1.5rem;
  background-color: var(--opti-content-light);
  color: var(--opti-text-dark);
}

.expert-split-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.expert-split-media {
  flex: 0 0 50%;
  border-radius: var(--opti-radius-soft);
  overflow: hidden;
  box-shadow: var(--opti-shadow-soft);
}

.expert-split-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.expert-split-text {
  flex: 1;
}

.expert-text-title {
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
  color: var(--opti-text-dark);
}

.expert-text-paragraph {
  color: #475569;
  margin-bottom: 1rem;
  font-size: 0.98rem;
}

.expert-bullet-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.expert-bullet-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: #1e293b;
}

.expert-bullet-item svg {
  color: #0284c7;
}

.expert-cta-strip {
  padding: 5rem 1.5rem;
  text-align: center;
  background-color: var(--opti-surface-panel);
}

.expert-cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.expert-cta-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.expert-cta-subtitle {
  color: var(--opti-text-subtle);
  margin-bottom: 2rem;
}

.expert-bg-section {
  background-image: url('img/bg2.webp');
  background-size: cover;
  background-position: center;
  padding: 6rem 1.5rem;
}

.expert-bg-card {
  max-width: 800px;
  margin: 0 auto;
  background-color: rgba(13, 17, 23, 0.9);
  padding: 3rem 2rem;
  border-radius: var(--opti-radius-soft);
  text-align: center;
}

.expert-bg-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--opti-cyan-glow);
}

.expert-bg-desc {
  color: var(--opti-text-main);
  font-size: 1.05rem;
}

/* Reserve Page Specifics */
.reserve-cards-grid-section {
  padding: 4rem 1.5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.reserve-cards-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.reserve-info-card {
  background-color: var(--opti-surface-panel);
  padding: 2rem;
  border-radius: var(--opti-radius-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.reserve-card-icon {
  color: var(--opti-cyan-glow);
  margin-bottom: 1rem;
}

.reserve-card-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.reserve-card-text {
  color: var(--opti-text-subtle);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.reserve-badge-list {
  list-style: none;
}

.reserve-badge-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  color: var(--opti-text-main);
}

.reserve-badge-num {
  width: 22px;
  height: 22px;
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
}

.reserve-form-section {
  padding: 2rem 1.5rem var(--opti-section-padding);
}

.reserve-form-shell {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--opti-surface-panel);
  padding: 2.5rem 2rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.reserve-form-title {
  font-size: 1.75rem;
  color: var(--opti-cyan-glow);
  margin-bottom: 0.5rem;
}

.reserve-form-desc {
  font-size: 0.95rem;
  color: var(--opti-text-subtle);
}

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

.reserve-input-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--opti-text-main);
}

.reserve-input-field {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--opti-surface-card);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--opti-radius-sharp);
  color: var(--opti-text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.reserve-input-field:focus {
  outline: none;
  border-color: var(--opti-cyan-glow);
}

.reserve-textarea {
  min-height: 100px;
  resize: vertical;
}

.reserve-check-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.reserve-checkbox {
  margin-top: 0.25rem;
  accent-color: var(--opti-cyan-glow);
}

.reserve-check-label {
  font-size: 0.85rem;
  color: var(--opti-text-subtle);
  line-height: 1.4;
}

.reserve-check-label a {
  color: var(--opti-cyan-glow);
  text-decoration: underline;
}

.reserve-submit-btn {
  width: 100%;
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  font-family: var(--font-display);
  font-weight: 800;
  padding: 1.1rem;
  border: none;
  border-radius: var(--opti-radius-pill);
  font-size: 1rem;
  cursor: pointer;
  letter-spacing: 0.5px;
}

.reserve-submit-btn:hover {
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
}

.reserve-support-note {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--opti-text-subtle);
}

.reserve-mail-link {
  color: var(--opti-cyan-glow);
  font-weight: 600;
}

.reserve-faq-section {
  background-color: var(--opti-surface-card);
  padding: var(--opti-section-padding) 1.5rem;
}

.reserve-faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.reserve-faq-heading {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

.reserve-faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.reserve-faq-item {
  background-color: var(--opti-surface-panel);
  padding: 1.25rem 1.5rem;
  border-radius: var(--opti-radius-soft);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.reserve-faq-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--opti-cyan-glow);
  cursor: pointer;
}

.reserve-faq-answer {
  margin-top: 0.75rem;
  color: var(--opti-text-subtle);
  font-size: 0.95rem;
}

/* Thank Page */
.thank-stage-wrapper {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
}

.thank-card-box {
  max-width: 650px;
  background-color: var(--opti-surface-panel);
  padding: 3rem 2rem;
  border-radius: var(--opti-radius-soft);
  text-align: center;
  box-shadow: var(--opti-shadow-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.thank-icon-circle {
  width: 80px;
  height: 80px;
  background: var(--opti-accent-gradient);
  color: var(--opti-text-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.thank-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.thank-text {
  color: var(--opti-text-subtle);
  margin-bottom: 2rem;
}

.thank-image-showcase {
  border-radius: var(--opti-radius-soft);
  overflow: hidden;
  margin-bottom: 2rem;
}

.thank-image-showcase img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

/* Legal Documents (Privacy / Terms) */
.legal-document-layout {
  padding: 5rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.legal-document-container {
  background-color: var(--opti-surface-panel);
  padding: 3rem 2.5rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-soft);
}

.legal-document-title {
  font-size: 2.2rem;
  color: var(--opti-cyan-glow);
  margin-bottom: 2rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1rem;
}

.legal-section-block {
  margin-bottom: 2.5rem;
}

.legal-subtitle {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--opti-text-main);
}

.legal-paragraph {
  color: var(--opti-text-subtle);
  font-size: 0.98rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

/* Scroll-driven View Animations */
@supports (animation-timeline: view()) {
  .zigzag-item-wrap,
  .eye-habit-item,
  .vert-timeline-node,
  .reserve-info-card,
  .expert-stat-box {
    animation: opti-fade-in-view auto linear both;
    animation-timeline: view();
    animation-range: entry 10% cover 30%;
  }

  @keyframes opti-fade-in-view {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Responsive Overrides */
@media (max-width: 992px) {
  .zigzag-item-wrap, .zigzag-reverse-flow {
    flex-direction: column;
    gap: 2rem;
  }

  .zigzag-media-cut-left, .zigzag-media-cut-right {
    width: 100%;
    clip-path: none;
  }

  .vert-timeline-stem {
    left: 20px;
  }

  .vert-timeline-node, .vert-node-left, .vert-node-right {
    flex-direction: row;
  }

  .vert-node-circle {
    margin: 0 1.5rem 0 0;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .vert-node-content {
    width: calc(100% - 60px);
  }

  .expert-split-container {
    flex-direction: column;
  }

  .expert-split-media {
    width: 100%;
  }

  .opti-ftr-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}