/* Custom Visual Theme Variable Dictionary (Eye Protection Theme) */
:root {
  --sight-abyss-ground: #0b0f17;      /* Primary dark theme color */
  --sight-panel-contrast: #111827;    /* Secondary slightly lighter dark container background */
  --sight-daylight-ground: #f8fafc;   /* Accent light background for content zones */
  --sight-block-ground: #ffffff;      /* Contrast light panel background */
  --sight-border-soft: #e2e8f0;       /* Divider system color */
  
  /* Text and ink */
  --sight-ink-pure: #1e293b;          /* High contrast text colour for light zones */
  --sight-ink-light: #f8fafc;         /* High contrast text colour for dark zones */
  --sight-ink-muted: #64748b;         /* Muted gray text color */
  
  /* Interactive Eye Accents */
  --sight-focus-glow: #2563eb;        /* Primary eye protection focus blue */
  --sight-focus-glow-alt: #1d4ed8;    /* Darker interactive hover blue */
  --sight-amber-sun: #f59e0b;         /* Supportive amber lighting accent */
  --sight-jade-calm: #10b981;         /* Relaxing jade green contrast */
  --sight-red-warm: #ef4444;          /* Soft warning red */
  
  /* Layout assets */
  --sight-font-title: 'Montserrat', sans-serif;
  --sight-font-body: 'Inter', sans-serif;
  
  /* Preset Soft Settings */
  --sight-soft-radius: 16px;
  --sight-soft-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
  --sight-deep-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.45);
}

/* Base resets & styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--sight-font-body);
  color: var(--sight-ink-pure);
  background-color: var(--sight-daylight-ground);
}

.sight-body-dark-base {
  background-color: var(--sight-daylight-ground);
}

/* Header style - Preset A (Sticky Dark Theme Header) */
.sight-top-navigation-hub {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--sight-panel-contrast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.2rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.sight-limit-max-width {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.sight-limit-max-width-narrow {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.sight-flex-space-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sight-logo-anchor-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sight-ink-light);
}

.sight-emblem-svg {
  width: 32px;
  height: 32px;
  color: var(--sight-focus-glow);
}

.sight-logotype-text {
  font-family: var(--sight-font-title);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 1px;
}

/* CSS Hamburger Trigger without JS */
.sight-hidden-checkbox {
  display: none;
}

.sight-hamburger-icon-wrapper {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.sight-hamburger-icon-wrapper span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--sight-ink-light);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.sight-anchors-group {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.sight-link-item {
  color: #9ca3af;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--sight-font-title);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}

.sight-link-item:hover,
.sight-link-item.sight-active-state {
  color: var(--sight-focus-glow);
}

/* Scroll Progress indicator */
.sight-scroll-track-element {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background-color: var(--sight-focus-glow);
  width: 0%;
  z-index: 2000;
  animation: progress-grow linear;
  animation-timeline: scroll();
}

@keyframes progress-grow {
  to { width: 100%; }
}

/* Hero Screen - Preset A: Fullscreen dark overlay with center content */
.sight-stage-primary-hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 10dvh 1.5rem;
  color: var(--sight-ink-light);
  text-align: center;
}

.minimal-hero-stage {
  min-height: 50vh !important;
}

.sight-hero-inner-alignment {
  max-width: 850px;
  z-index: 2;
}

.sight-main-heading-heavy {
  font-family: var(--sight-font-title);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.sight-runner-heading-lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.6;
  color: #d1d5db;
  margin-bottom: 2.5rem;
}

.sight-action-call-holder {
  display: flex;
  justify-content: center;
}

.sight-button-interactive-pill {
  display: inline-block;
  background-color: var(--sight-focus-glow);
  color: var(--sight-ink-light);
  font-family: var(--sight-font-title);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1rem;
  padding: 1.2rem 2.5rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.sight-button-interactive-pill:hover {
  transform: translateY(-3px);
  background-color: var(--sight-focus-glow-alt);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.55);
}

/* Floating Stat bar below Hero */
.sight-stat-bar-protrusion {
  position: relative;
  margin-top: -60px;
  z-index: 10;
  padding: 0 1.5rem;
}

.sight-stat-card-deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  background: var(--sight-block-ground);
  border-radius: var(--sight-soft-radius);
  padding: 2rem;
  box-shadow: var(--sight-deep-shadow);
  border: 1px solid var(--sight-border-soft);
}

.sight-stat-leaf {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
}

.sight-stat-leaf:not(:last-child) {
  border-right: 1px solid var(--sight-border-soft);
}

.sight-stat-numeric {
  font-family: var(--sight-font-title);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--sight-focus-glow);
  margin-bottom: 0.5rem;
}

.sight-stat-label {
  font-size: 0.95rem;
  color: var(--sight-ink-muted);
  font-weight: 500;
}

/* Content segments (light content zones) */
.sight-layout-segment-light {
  padding: 10dvh 1.5rem;
  background-color: var(--sight-block-ground);
}

.sight-offset-bg {
  background-color: var(--sight-daylight-ground);
}

.sight-secondary-heading {
  font-family: var(--sight-font-title);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--sight-ink-pure);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.sight-text-align-center {
  text-align: center;
}

.sight-max-width-text-centered {
  max-width: 750px;
  margin: 0 auto 3rem auto;
}

.sight-paragraph-clean {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--sight-ink-muted);
  margin-bottom: 1.25rem;
}

/* Zig-zag layout */
.sight-zig-zag-composition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sight-zig-image-block {
  height: 450px;
  background-size: cover;
  background-position: center;
  border-radius: var(--sight-soft-radius);
}

/* slanting effect using clip-path */
.sight-slanted-right {
  clip-path: polygon(0 0, 92% 0, 100% 100%, 0% 100%);
}

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

.sight-zig-text-block {
  padding: 1rem;
}

/* Features grid: 2-row system with colored left border */
.sight-grid-benefits-system {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.sight-item-box-feature {
  background-color: var(--sight-block-ground);
  padding: 2.5rem 2rem;
  border-radius: var(--sight-soft-radius);
  box-shadow: var(--sight-soft-shadow);
  border-left: 5px solid var(--sight-border-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sight-item-box-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--sight-deep-shadow);
}

/* Colored borders based on design preferences */
.sight-item-box-feature.blue-accent { border-left-color: var(--sight-focus-glow); }
.sight-item-box-feature.green-accent { border-left-color: var(--sight-jade-calm); }
.sight-item-box-feature.amber-accent { border-left-color: var(--sight-amber-sun); }
.sight-item-box-feature.red-accent { border-left-color: var(--sight-red-warm); }

.sight-item-box-feature.border-accent-blue { border: 1px solid var(--sight-border-soft); border-top: 5px solid var(--sight-focus-glow); }
.sight-item-box-feature.border-accent-amber { border: 1px solid var(--sight-border-soft); border-top: 5px solid var(--sight-amber-sun); }

.sight-feature-svg {
  width: 44px;
  height: 44px;
  color: var(--sight-focus-glow);
  margin-bottom: 1.5rem;
}

.sight-feature-title {
  font-family: var(--sight-font-title);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--sight-focus-glow);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* Vertical Timeline: line in center, alternates content */
.sight-timeline-structure {
  position: relative;
  max-width: 900px;
  margin: 4rem auto 0 auto;
  padding: 2rem 0;
}

.sight-timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--sight-border-soft);
  transform: translateX(-50%);
}

.sight-timeline-step-node {
  position: relative;
  width: 50%;
  margin-bottom: 3rem;
}

.sight-timeline-step-node.sight-left-align {
  left: 0;
  padding-right: 3rem;
  text-align: right;
}

.sight-timeline-step-node.sight-right-align {
  left: 50%;
  padding-left: 3rem;
  text-align: left;
}

.sight-timeline-marker {
  position: absolute;
  top: 10px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--sight-focus-glow);
  color: var(--sight-ink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sight-font-title);
  font-weight: 900;
  font-size: 1.2rem;
  z-index: 5;
  box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.15);
}

.sight-timeline-step-node.sight-left-align .sight-timeline-marker {
  right: -22px;
}

.sight-timeline-step-node.sight-right-align .sight-timeline-marker {
  left: -22px;
}

.sight-timeline-panel-card {
  background-color: var(--sight-block-ground);
  padding: 2rem;
  border-radius: var(--sight-soft-radius);
  box-shadow: var(--sight-soft-shadow);
  border: 1px solid var(--sight-border-soft);
}

.sight-timeline-node-title {
  font-family: var(--sight-font-title);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--sight-ink-pure);
  margin-bottom: 0.75rem;
}

/* Parallax CTA stripe */
.sight-fixed-parallax-strip {
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 14dvh 1.5rem;
  color: var(--sight-ink-light);
}

.sight-parallax-title {
  font-family: var(--sight-font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.sight-parallax-lead {
  font-size: 1.2rem;
  max-width: 750px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.6;
  color: #e5e7eb;
}

/* Expert Profile Layout */
.sight-split-expert-structure {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: flex-start;
}

.sight-expert-photo-frame {
  height: 550px;
  border-radius: var(--sight-soft-radius);
  background-size: cover;
  background-position: center;
  box-shadow: var(--sight-deep-shadow);
}

.sight-expert-profile-description {
  display: flex;
  flex-direction: column;
}

/* Reserve form styles */
.sight-form-outer-wrapper {
  background-color: var(--sight-block-ground);
  padding: 3rem 2.5rem;
  border-radius: var(--sight-soft-radius);
  box-shadow: var(--sight-deep-shadow);
  border: 1px solid var(--sight-border-soft);
}

.sight-interactive-form-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sight-form-control-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sight-form-control-row label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sight-ink-pure);
}

.sight-form-control-row input,
.sight-form-control-row textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-family: var(--sight-font-body);
  font-size: 1rem;
  color: var(--sight-ink-pure);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sight-form-control-row input:focus,
.sight-form-control-row textarea:focus {
  border-color: var(--sight-focus-glow);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.sight-form-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.sight-form-checkbox-row input {
  margin-top: 4px;
  cursor: pointer;
}

.sight-form-checkbox-row label {
  font-size: 0.9rem;
  color: var(--sight-ink-muted);
  line-height: 1.4;
  cursor: pointer;
}

.sight-form-submit-btn {
  background-color: var(--sight-jade-calm);
  color: var(--sight-ink-light);
  font-family: var(--sight-font-title);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.05rem;
  padding: 1.2rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.3);
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.sight-form-submit-btn:hover {
  background-color: #059669;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
}

.sight-clickable-email-anchor {
  font-weight: 600;
  color: var(--sight-focus-glow);
  text-decoration: none;
  transition: color 0.3s ease;
}

.sight-clickable-email-anchor:hover {
  color: var(--sight-focus-glow-alt);
}

.sight-agenda-card {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--sight-border-soft);
}

.sight-agenda-card:last-child {
  border-bottom: none;
}

.sight-agenda-bullet-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--sight-focus-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

/* FAQ Accordion */
.sight-faq-accordion-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 850px;
  margin: 0 auto;
}

.sight-faq-item-shell {
  background-color: var(--sight-block-ground);
  padding: 2rem;
  border-radius: var(--sight-soft-radius);
  border: 1px solid var(--sight-border-soft);
}

.sight-faq-question-label {
  font-family: var(--sight-font-title);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--sight-ink-pure);
  margin-bottom: 0.75rem;
}

/* Footer layout */
.sight-bottom-footer-hub {
  background-color: var(--sight-panel-contrast);
  color: #9ca3af;
  padding: 5rem 1.5rem 2rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sight-footer-interior-layouts {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sight-disclaimer-text-note {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: 1.5rem;
  color: #6b7280;
}

.sight-footer-links-title {
  font-family: var(--sight-font-title);
  color: var(--sight-ink-light);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sight-footer-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sight-footer-nav-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.sight-footer-nav-links a:hover {
  color: var(--sight-focus-glow);
}

.sight-footer-copyright-row {
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #6b7280;
}

/* Cookie Banner styling */
.sight-cookie-banner-layout {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #111827;
  color: #ffffff;
  padding: 1.5rem;
  z-index: 9999;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
  border-top: 2px solid var(--sight-focus-glow);
}

.sight-cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.sight-cookie-paragraph {
  font-size: 0.95rem;
  line-height: 1.5;
}

.sight-cookie-buttons-container {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.sight-cookie-btn-confirm {
  background-color: var(--sight-focus-glow);
  color: #ffffff;
  border: none;
  padding: 0.75rem 2rem;
  font-family: var(--sight-font-title);
  font-weight: 800;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.sight-cookie-btn-confirm:hover {
  background-color: var(--sight-focus-glow-alt);
}

.sight-cookie-btn-reject {
  background-color: transparent;
  color: #9ca3af;
  border: 1px solid #4b5563;
  padding: 0.75rem 1.5rem;
  font-family: var(--sight-font-title);
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sight-cookie-btn-reject:hover {
  color: #ffffff;
  border-color: #ffffff;
}

/* Scroll-driven reveal animation (pure CSS) */
@keyframes slide-up-reveal {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: slide-up-reveal linear both;
  animation-timeline: view();
  animation-range: entry 10% entry 40%;
}

/* Responsive media queries */
@media (max-width: 968px) {
  .sight-hamburger-icon-wrapper {
    display: flex;
    z-index: 1010;
  }

  .sight-anchors-group {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--sight-panel-contrast);
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }

  .sight-hidden-checkbox:checked ~ .sight-anchors-group {
    right: 0;
  }

  .sight-hidden-checkbox:checked ~ .sight-hamburger-icon-wrapper span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .sight-hidden-checkbox:checked ~ .sight-hamburger-icon-wrapper span:nth-child(2) {
    opacity: 0;
  }

  .sight-hidden-checkbox:checked ~ .sight-hamburger-icon-wrapper span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .sight-zig-zag-composition {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sight-zig-image-block {
    height: 320px;
  }
  
  .sight-slanted-right,
  .sight-slanted-left {
    clip-path: none;
  }

  .sight-timeline-line {
    left: 20px;
  }

  .sight-timeline-step-node {
    width: 100%;
    padding-left: 4rem !important;
    padding-right: 0 !important;
    text-align: left !important;
  }

  .sight-timeline-step-node.sight-left-align,
  .sight-timeline-step-node.sight-right-align {
    left: 0;
  }

  .sight-timeline-marker {
    left: 0 !important;
    right: auto !important;
  }

  .sight-split-expert-structure {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sight-expert-photo-frame {
    height: 380px;
  }

  .sight-footer-interior-layouts {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sight-cookie-banner-content {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 1.5rem;
  }

  .sight-cookie-buttons-container {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .sight-stat-card-deck {
    grid-template-columns: 1fr;
  }

  .sight-stat-leaf:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--sight-border-soft);
    padding-bottom: 1.5rem;
    margin-bottom: 0.5rem;
  }
}