.lens-page { color: var(--text-color); }
.lens-page .lens-hero { display: grid; grid-template-columns: 1.05fr .95fr; background: #102235; border: 1px solid #102235; border-radius: 12px; overflow: hidden; }
.lens-hero-copy { padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.lens-page .lens-hero h1 { color: #fff; font-size: clamp(27px, 3vw, 38px); line-height: 1.2; margin-bottom: 18px; }
.lens-kicker { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: #b7d4ff; margin-bottom: 14px; }
.lens-lead { color: #d5dfeb; font-size: 17px; line-height: 1.6; margin-bottom: 22px; }
.lens-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.lens-page .btn-light { background: #fff; color: #102235; border-color: #fff; }
.lens-page .btn-light:hover { background: #eaf1fb; }
.lens-page .btn-outline-light { border-color: #9badc2; color: #fff; background: transparent; }
.lens-page .btn-outline-light:hover { color: #102235; background: #fff; }
.lens-hero-notes { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 26px; font-size: 13px; color: #cfdae6; }
.lens-hero-notes i { color: #b7d4ff; margin-right: 6px; }
.lens-hero-image { display: flex; flex-direction: column; justify-content: center; align-items: center; margin: 0; min-height: 400px; padding: 28px; background: #fff; }
.lens-hero-image img { display: block; width: 100%; height: 300px; object-fit: contain; }
.lens-hero-image figcaption { margin-top: 20px; color: #64748b; font-size: 13px; }
.lens-facts { display: flex; flex-wrap: wrap; background: #fff; border: 1px solid var(--border-color); border-radius: 10px; margin: 18px 0 20px; overflow: hidden; }
.lens-facts > div { flex: 1 1 150px; padding: 20px 24px; border-right: 1px solid var(--border-color); }
.lens-facts > div:last-child { border-right: 0; }
.lens-facts strong { display: block; font-size: 25px; line-height: 1.2; color: #102235; margin-bottom: 8px; }
.lens-facts span { color: #64748b; font-size: 13px; }
.lens-section-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; border-bottom: 1px solid var(--border-color); padding-bottom: 16px; }
.lens-section-nav a { font-size: 14px; text-decoration: none; font-weight: 600; padding: 6px 0; }
.lens-section { padding: 36px 0; scroll-margin-top: 90px; }
.lens-section + .lens-section { border-top: 1px solid var(--border-color); }
.lens-section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 24px; align-items: start; }
.lens-page h2 { font-size: clamp(23px, 2.5vw, 30px); line-height: 1.25; margin: 0; }
.lens-page h3 { font-size: 18px; line-height: 1.3; margin: 0 0 10px; }
.lens-section-heading > p { color: #64748b; margin: 0; }
.lens-explainer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.lens-optics-diagram { border: 1px solid var(--border-color); border-radius: 10px; padding: 26px; background: #fff; }
.lens-optics-diagram svg { width: 100%; height: auto; }
.lens-diagram-labels { display: flex; justify-content: space-between; font-size: 13px; color: #102235; gap: 12px; }
.lens-optics-diagram small { display: block; color: #64748b; font-size: 12px; margin-top: 20px; }
.lens-principles > div { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--border-color); }
.lens-principles > div:first-child { padding-top: 0; }
.lens-principles > div > span { font-size: 12px; font-weight: 700; color: var(--primary-color); }
.lens-principles p { color: #64748b; margin: 0; font-size: 15px; line-height: 1.6; }
.lens-specs-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; align-items: start; }
.lens-spec-table { padding: 12px 22px; border: 1px solid var(--border-color); background: #fff; border-radius: 10px; }
.lens-spec-table .table th, .lens-spec-table .table td { padding: 16px 10px; color: #314158; font-size: 15px; vertical-align: top; }
.lens-spec-table .table th { width: 52%; color: #102235; font-weight: 600; }
.lens-spec-table tr:last-child > * { border-bottom: 0; }
.lens-selection-note { padding: 24px; background: #edf2f8; border-radius: 10px; }
.lens-selection-note p { font-size: 15px; }
.lens-selection-note a { font-size: 14px; font-weight: 600; }
.lens-selection-band { display: grid; grid-template-columns: 1.35fr .65fr; align-items: center; gap: 36px; padding: 32px; color: #d5dfeb; background: #102235; border-radius: 12px; scroll-margin-top: 90px; }
.lens-selection-band h2 { color: #fff; margin-bottom: 14px; }
.lens-selection-band p { margin-bottom: 16px; }
.lens-selection-band ul { padding-left: 18px; margin-bottom: 0; font-size: 14px; }
.lens-selection-cta { display: flex; align-items: stretch; text-align: center; flex-direction: column; gap: 16px; }
.lens-selection-cta > a { color: #fff; text-decoration: none; font-weight: 600; }
.lens-selection-cta small { font-size: 13px; }
.lens-care-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.lens-care-grid p { font-size: 15px; }
.lens-reference { font-size: 12px; color: #64748b; margin-top: 22px; }
.lens-gallery { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.lens-gallery a { display: block; padding: 12px; background: #fff; border: 1px solid var(--border-color); border-radius: 10px; }
.lens-gallery img { width: 100%; height: 150px; object-fit: contain; }
@media(max-width:991px) {
  .lens-hero-copy { padding: 28px; }
  .lens-hero-image { min-height: 360px; padding: 20px; }
  .lens-hero-image img { height: 260px; }
  .lens-explainer-grid { gap: 24px; }
}
@media(max-width:767px) {
  .lens-page .lens-hero, .lens-section-heading, .lens-explainer-grid, .lens-specs-layout, .lens-selection-band, .lens-care-grid { grid-template-columns: 1fr; }
  .lens-hero-copy { padding: 24px 20px; }
  .lens-page .lens-hero h1 { font-size: 28px; }
  .lens-lead { font-size: 16px; }
  .lens-actions .btn { flex: 1 1 160px; }
  .lens-hero-image { min-height: 0; }
  .lens-hero-image img { height: 240px; }
  .lens-facts > div { flex-basis: 50%; padding: 18px; border-bottom: 1px solid var(--border-color); }
  .lens-facts strong { font-size: 22px; }
  .lens-section { padding: 28px 0; }
  .lens-section-heading { gap: 14px; }
  .lens-optics-diagram { padding: 20px 14px; }
  .lens-diagram-labels { font-size: 12px; }
  .lens-selection-band { padding: 24px 20px; gap: 24px; }
  .lens-spec-table { padding: 8px 12px; }
  .lens-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); }
}