:root {
  --optik-canvas: #f8fafc;
  --optik-surface: #ffffff;
  --optik-card: #f1f5f9;
  --optik-tone: #0284c7;
  --optik-tone-hover: #0369a1;
  --optik-tone-soft: #e0f2fe;
  --optik-accent: #0f766e;
  --optik-ink: #0f172a;
  --optik-ink-muted: #475569;
  --optik-border: #cbd5e1;
  --optik-gradient: linear-gradient(135deg, #0284c7 0%, #0f766e 100%);
  --optik-highlight-gradient: linear-gradient(90deg, #38bdf8 0%, #14b8a6 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Mulish', sans-serif;
  --optik-radius: 14px;
  --optik-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}

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

body {
  background-color: var(--optik-canvas);
  color: var(--optik-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* Scroll reading progress bar */
.optik-reading-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: 10001;
}

.optik-reading-progress {
  height: 100%;
  background: var(--optik-highlight-gradient);
  width: 0%;
  animation: optik-fill-bar linear;
  animation-timeline: scroll();
}

@keyframes optik-fill-bar {
  from { width: 0%; }
  to { width: 100%; }
}

/* Header & Nav */
.optik-top-announcement {
  background: var(--optik-accent);
  color: #ffffff;
  font-size: 0.875rem;
  padding: 0.45rem 1.25rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.optik-top-announcement a {
  color: #ffffff;
  text-decoration: underline;
  margin-left: 0.5rem;
  font-weight: 700;
}

.optik-masthead {
  background-color: var(--optik-surface);
  border-bottom: 1px solid var(--optik-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

.optik-masthead-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.optik-brand-anchor {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--optik-ink);
}

.optik-brand-symbol {
  width: 36px;
  height: 36px;
  color: var(--optik-tone);
  flex-shrink: 0;
}

.optik-brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  color: var(--optik-ink);
}

.optik-brand-text span {
  color: var(--optik-tone);
}

.optik-nav-trigger {
  display: none;
}

.optik-nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.optik-nav-burger span {
  width: 25px;
  height: 3px;
  background-color: var(--optik-ink);
  border-radius: 2px;
}

.optik-links-wrap {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.optik-page-link {
  text-decoration: none;
  color: var(--optik-ink);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  position: relative;
}

.optik-page-link:hover,
.optik-page-link.optik-active {
  color: var(--optik-tone);
}

.optik-action-pill {
  display: inline-block;
  background-color: var(--optik-tone);
  color: #ffffff !important;
  padding: 0.65rem 1.4rem;
  border-radius: var(--optik-radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.optik-action-pill:hover {
  background-color: var(--optik-tone-hover);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

/* Preset B Hero: Split-screen */
.optik-split-hero {
  display: flex;
  min-height: 85vh;
  max-width: 100%;
}

.optik-hero-left {
  flex: 0 0 55%;
  background: var(--optik-surface);
  padding: 10dvh 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.optik-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--optik-tone-soft);
  color: var(--optik-tone-hover);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 1.5rem;
}

.optik-split-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--optik-ink);
  margin-bottom: 1.5rem;
}

.optik-split-sub {
  font-size: 1.15rem;
  color: var(--optik-ink-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 580px;
}

.optik-hero-btns {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.optik-hero-right {
  flex: 0 0 45%;
  position: relative;
}

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

/* Content Ribbon & Magazine Spread */
.optik-ribbon-block {
  width: 100%;
  height: 45vh;
  overflow: hidden;
}

.optik-ribbon-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.optik-journal-spread {
  max-width: 1240px;
  margin: 0 auto;
  padding: 10dvh 1.5rem;
}

.optik-journal-cols {
  display: flex;
  gap: 2.5rem;
}

.optik-journal-article {
  flex: 1;
  border-top: 3px solid var(--optik-tone);
  padding-top: 1.5rem;
  background: var(--optik-surface);
  padding: 2rem;
  border-radius: 0 0 var(--optik-radius) var(--optik-radius);
  box-shadow: var(--optik-shadow);
}

.optik-journal-article h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--optik-ink);
}

.optik-journal-article p {
  color: var(--optik-ink-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Features Masonry */
.optik-masonry-wrapper {
  background-color: var(--optik-card);
  padding: 10dvh 1.5rem;
}

.optik-wrap-contain {
  max-width: 1240px;
  margin: 0 auto;
}

.optik-heading-center {
  text-align: center;
  margin-bottom: 3.5rem;
}

.optik-heading-center h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  font-weight: 800;
  color: var(--optik-ink);
  margin-bottom: 0.8rem;
}

.optik-heading-center p {
  color: var(--optik-ink-muted);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto;
}

.optik-masonry-board {
  columns: 3 320px;
  column-gap: 1.8rem;
}

.optik-masonry-unit {
  break-inside: avoid;
  background: var(--optik-surface);
  border-radius: var(--optik-radius);
  padding: 1.8rem;
  margin-bottom: 1.8rem;
  box-shadow: var(--optik-shadow);
  border: 1px solid var(--optik-border);
  transition: transform 0.2s ease;
}

.optik-masonry-unit:hover {
  transform: translateY(-3px);
}

.optik-masonry-unit img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: calc(var(--optik-radius) - 4px);
  margin-bottom: 1.2rem;
  display: block;
}

.optik-masonry-icon {
  width: 44px;
  height: 44px;
  color: var(--optik-accent);
  margin-bottom: 1rem;
}

.optik-masonry-unit h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--optik-ink);
}

.optik-masonry-unit p {
  color: var(--optik-ink-muted);
  font-size: 0.95rem;
}

/* How It Works Track */
.optik-flow-wrapper {
  padding: 10dvh 1.5rem;
  background: var(--optik-surface);
}

.optik-progress-track {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 3.5rem;
  gap: 1.5rem;
}

.optik-track-line {
  position: absolute;
  top: 26px;
  left: 10%;
  right: 10%;
  height: 2px;
  border-top: 2px dashed var(--optik-border);
  z-index: 1;
}

.optik-track-stage {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 1rem;
}

.optik-stage-bubble {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--optik-card);
  color: var(--optik-ink);
  border: 2px solid var(--optik-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 1.2rem auto;
}

.optik-track-stage.optik-active-stage .optik-stage-bubble {
  background: var(--optik-tone);
  color: #ffffff;
  border-color: var(--optik-tone);
  box-shadow: 0 0 0 6px var(--optik-tone-soft);
}

.optik-track-stage h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.optik-track-stage p {
  font-size: 0.92rem;
  color: var(--optik-ink-muted);
}

/* CTA Strip */
.optik-cta-strip {
  background: var(--optik-accent);
  color: #ffffff;
  padding: 6rem 1.5rem;
  text-align: center;
}

.optik-cta-box {
  max-width: 800px;
  margin: 0 auto;
}

.optik-cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 1.2rem;
}

.optik-cta-box p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.optik-btn-white {
  display: inline-block;
  background-color: #ffffff;
  color: var(--optik-accent) !important;
  padding: 0.9rem 2.4rem;
  border-radius: var(--optik-radius);
  font-weight: 800;
  text-decoration: none;
  font-size: 1.05rem;
  transition: all 0.25s ease;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.optik-btn-white:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
}

/* Expert Page Preset B */
.optik-expert-split {
  display: flex;
  min-height: 70vh;
}

.optik-expert-photo {
  flex: 0 0 50%;
}

.optik-expert-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.optik-expert-narrative {
  flex: 0 0 50%;
  padding: 8dvh 4vw;
  background: var(--optik-surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.optik-stat-row {
  display: flex;
  gap: 1.5rem;
  max-width: 1240px;
  margin: -3rem auto 4rem auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}

.optik-stat-pod {
  flex: 1;
  background: var(--optik-surface);
  border-radius: var(--optik-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--optik-shadow);
  border-top: 4px solid var(--optik-tone);
}

.optik-stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--optik-tone);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.optik-stat-label {
  font-size: 0.92rem;
  color: var(--optik-ink-muted);
  font-weight: 600;
}

.optik-accordion-list {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.optik-accordion-cell {
  background: var(--optik-surface);
  border-radius: var(--optik-radius);
  padding: 1.8rem;
  border: 1px solid var(--optik-border);
  box-shadow: var(--optik-shadow);
}

.optik-accordion-cell h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--optik-ink);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Reserve Page Preset B */
.optik-reserve-split {
  display: flex;
  gap: 3rem;
  max-width: 1240px;
  margin: 0 auto;
  padding: 8dvh 1.5rem 4dvh 1.5rem;
}

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

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

.optik-info-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.optik-info-card p {
  color: var(--optik-ink-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.optik-bullet-ordered {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.optik-bullet-ordered li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--optik-ink);
}

.optik-num-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--optik-tone-soft);
  color: var(--optik-tone-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.optik-reserve-form-col {
  flex: 1;
}

.optik-form-box {
  background: var(--optik-surface);
  border-radius: var(--optik-radius);
  padding: 2.5rem;
  box-shadow: var(--optik-shadow);
  border: 1px solid var(--optik-border);
  position: sticky;
  top: 100px;
}

.optik-field-group {
  margin-bottom: 1.5rem;
}

.optik-field-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--optik-ink);
}

.optik-field-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: calc(var(--optik-radius) - 4px);
  border: 1px solid var(--optik-border);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--optik-ink);
  transition: border-color 0.2s ease;
}

.optik-field-input:focus {
  outline: none;
  border-color: var(--optik-tone);
  box-shadow: 0 0 0 3px var(--optik-tone-soft);
}

.optik-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--optik-ink-muted);
  cursor: pointer;
  margin-bottom: 1.8rem;
}

.optik-checkbox-label input {
  margin-top: 0.25rem;
}

.optik-submit-btn {
  width: 100%;
  background: var(--optik-tone);
  color: #ffffff;
  padding: 1rem;
  border: none;
  border-radius: var(--optik-radius);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.optik-submit-btn:hover {
  background-color: var(--optik-tone-hover);
}

.optik-email-touch {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--optik-ink-muted);
}

.optik-email-touch a {
  color: var(--optik-tone);
  text-decoration: underline;
  font-weight: 600;
}

.optik-faq-grid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 4dvh 1.5rem 10dvh 1.5rem;
}

.optik-faq-card {
  background: var(--optik-surface);
  border-radius: var(--optik-radius);
  padding: 1.8rem;
  margin-bottom: 1.2rem;
  border: 1px solid var(--optik-border);
}

.optik-faq-card h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--optik-ink);
  margin-bottom: 0.5rem;
}

/* Legal pages */
.optik-legal-canvas {
  max-width: 900px;
  margin: 0 auto;
  padding: 8dvh 1.5rem;
  min-height: 80vh;
}

.optik-legal-canvas h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: var(--optik-ink);
}

.optik-legal-canvas h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--optik-ink);
}

.optik-legal-canvas p {
  margin-bottom: 1.2rem;
  color: var(--optik-ink-muted);
  line-height: 1.8;
}

/* Thank you page */
.optik-thank-shell {
  max-width: 800px;
  margin: 0 auto;
  padding: 10dvh 1.5rem;
  text-align: center;
}

.optik-thank-img {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: var(--optik-radius);
  margin-bottom: 2.5rem;
  box-shadow: var(--optik-shadow);
}

.optik-thank-shell h1 {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
}

.optik-thank-shell p {
  color: var(--optik-ink-muted);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
}

/* Footer */
.optik-base-footer {
  background-color: #0b1120;
  color: #94a3b8;
  padding: 5rem 1.5rem 3rem 1.5rem;
  border-top: 1px solid #1e293b;
}

.optik-footer-shell {
  max-width: 1240px;
  margin: 0 auto;
}

.optik-footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #1e293b;
}

.optik-footer-links {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.optik-footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.optik-footer-links a:hover {
  color: #ffffff;
}

.optik-disclaimer-box {
  padding: 2.5rem 0 1.5rem 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #64748b;
  text-align: center;
}

.optik-copyright {
  text-align: center;
  font-size: 0.85rem;
  color: #475569;
}

/* Cookie banner */
.optik-consent-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #0f172a;
  color: #f8fafc;
  padding: 1.2rem 1.5rem;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
  display: none;
}

.optik-consent-core {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.optik-consent-msg {
  font-size: 0.95rem;
  max-width: 750px;
  line-height: 1.5;
}

.optik-consent-options {
  display: flex;
  gap: 1rem;
}

.optik-consent-btn {
  padding: 0.6rem 1.4rem;
  border-radius: var(--optik-radius);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s ease;
}

.optik-btn-permit {
  background: var(--optik-tone);
  color: #ffffff;
}

.optik-btn-deny {
  background: transparent;
  color: #cbd5e1;
  border: 1px solid #475569;
}

.optik-consent-btn:hover {
  opacity: 0.9;
}

/* Responsive adjustments */
@media (max-width: 960px) {
  .optik-split-hero {
    flex-direction: column;
  }
  .optik-hero-left, .optik-hero-right {
    flex: 0 0 100%;
  }
  .optik-hero-right {
    height: 40vh;
  }
  .optik-journal-cols {
    flex-direction: column;
  }
  .optik-progress-track {
    flex-direction: column;
  }
  .optik-track-line {
    display: none;
  }
  .optik-expert-split {
    flex-direction: column;
  }
  .optik-expert-photo, .optik-expert-narrative {
    flex: 0 0 100%;
  }
  .optik-stat-row {
    flex-wrap: wrap;
    margin-top: 2rem;
  }
  .optik-reserve-split {
    flex-direction: column;
  }
  .optik-form-box {
    position: static;
  }
}

@media (max-width: 768px) {
  .optik-nav-burger {
    display: flex;
  }
  .optik-links-wrap {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--optik-surface);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-top: 1px solid var(--optik-border);
  }
  .optik-nav-trigger:checked ~ .optik-links-wrap {
    display: flex;
  }
}