/* Cataract education pages — shares the established Sentra navy, blue and teal identity. */
.cataract-page {
  --cataract-ink: var(--ink);
  --cataract-navy: var(--navy);
  --cataract-blue: var(--blue);
  --cataract-teal: var(--cyan);
  --cataract-paper: var(--bg);
  --cataract-line: var(--line);
}

.cataract-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(ellipse at 86% 10%, rgba(66,184,170,.17), transparent 34%),
    linear-gradient(115deg, var(--navy), var(--navy-2) 76%, var(--navy-3));
  padding: 26px 0 clamp(52px, 7vw, 84px);
}
.cataract-hero::after {
  content: "";
  position: absolute;
  width: min(50vw, 600px);
  aspect-ratio: 1;
  right: -17vw;
  top: -35%;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.025), 0 0 0 76px rgba(66,184,170,.03);
  pointer-events: none;
}
.cataract-hero > .container { position: relative; z-index: 1; }
.cataract-hero .breadcrumbs,
.cataract-hero .breadcrumbs a { color: #c6d5e8; }
.cataract-hero .breadcrumbs a:hover { color: #fff; }
.cataract-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .82fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: center;
  padding-top: clamp(38px, 6vw, 74px);
}
.cataract-hero-copy { max-width: 730px; }
.cataract-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #7bd2c5;
  text-transform: uppercase;
  font-size: .72rem;
  letter-spacing: .2em;
  font-weight: 800;
  margin-bottom: 20px;
}
.cataract-kicker::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.cataract-hero h1 {
  max-width: 13ch;
  color: #fff;
  font-size: clamp(2.7rem, 6.3vw, 5.1rem);
  letter-spacing: -.035em;
  line-height: 1.04;
  margin-bottom: 18px;
  overflow-wrap: anywhere;
}
.cataract-hero .cataract-tagline {
  max-width: 58ch;
  color: #d3ebf1;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.75;
  margin-bottom: 0;
}
.cataract-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cataract-hero .btn-outline-light { border-color: rgba(255,255,255,.55); color: #fff; }
.cataract-hero .btn-outline-light:hover { background: #fff; color: var(--navy); }
.cataract-hero-note {
  max-width: 48ch;
  margin: 20px 0 0;
  color: #b8d4df;
  font-size: .82rem;
  line-height: 1.55;
}
.cataract-hero-art { position: relative; min-width: 0; margin: 0; }
.cataract-art-frame {
  position: relative;
  padding: clamp(10px, 1.5vw, 16px);
  overflow: hidden;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(255,255,255,.62);
  border-radius: 42% 42% 18px 18px;
  box-shadow: 0 24px 58px rgba(0,20,26,.25);
  transform: rotate(1deg);
}
.cataract-art-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 1.6;
  object-fit: cover;
  border-radius: 38% 38% 12px 12px;
}
.cataract-hero-art figcaption {
  max-width: 42ch;
  margin: 14px auto 0;
  color: #c6d5e8;
  font-size: .73rem;
  line-height: 1.45;
  text-align: center;
}

.cataract-reading {
  background: var(--cataract-paper);
  padding: clamp(34px, 5vw, 68px) 0 clamp(52px, 7vw, 90px);
}
.cataract-reading-grid {
  display: grid;
  grid-template-columns: minmax(0, 235px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
}
.cataract-rail {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  display: grid;
  gap: 18px;
  min-width: 0;
}
.cataract-toc,
.cataract-rail-appointment {
  min-width: 0;
  background: #fff;
  border: 1px solid var(--cataract-line);
  border-radius: 16px;
  padding: 19px 18px;
}
.cataract-toc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  cursor: pointer;
  list-style: none;
  color: var(--cataract-navy);
  font-size: .77rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.cataract-toc summary::-webkit-details-marker { display: none; }
.cataract-toc summary::after { content: "+"; font-size: 1.2rem; }
.cataract-toc[open] summary { margin-bottom: 12px; }
.cataract-toc[open] summary::after { content: "−"; }
.cataract-toc nav { max-height: min(48vh, 440px); overflow-y: auto; scrollbar-gutter: stable; }
.cataract-toc ol { list-style: none; margin: 0; padding: 0; counter-reset: cataract-toc; }
.cataract-toc li { margin: 0; counter-increment: cataract-toc; }
.cataract-toc a {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  gap: 7px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.45;
  transition: color .18s ease, padding-left .18s ease;
}
.cataract-toc a::before {
  content: counter(cataract-toc, decimal-leading-zero);
  color: var(--cataract-blue);
  font: 700 .66rem/1.8 var(--font-body);
}
.cataract-toc a:hover { color: var(--cataract-navy); padding-left: 4px; }
.cataract-rail-appointment {
  padding: 21px;
  color: #d3ebf1;
  background: var(--cataract-navy);
  border-color: var(--cataract-navy);
}
.cataract-rail-label {
  display: block;
  color: #7bd2c5;
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .11em;
  line-height: 1.5;
  text-transform: uppercase;
}
.cataract-rail-appointment h2 {
  margin: 7px 0 8px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1.14rem;
  line-height: 1.3;
}
.cataract-rail-appointment p { color: #d3ebf1; font-size: .86rem; line-height: 1.55; margin-bottom: 15px; }
.cataract-rail-appointment .btn { width: 100%; padding: 12px 14px; font-size: .82rem; }
.cataract-article {
  min-width: 0;
  max-width: 850px;
  padding: clamp(23px, 4vw, 54px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px 22px 22px 22px;
  box-shadow: 0 12px 36px rgba(20,58,59,.055);
}
.cataract-article .quick-answer {
  color: var(--ink);
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
  margin: 0 0 26px;
}
.cataract-answer-label {
  display: block;
  margin-bottom: 5px;
  color: var(--blue);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.cataract-article .emergency-callout { margin: 26px 0; }
.cataract-content {
  color: var(--cataract-ink);
  font-size: 1.02rem;
  line-height: 1.86;
  overflow-wrap: anywhere;
}
.cataract-content h2,
.cataract-content h3 {
  color: var(--cataract-navy);
  scroll-margin-top: calc(var(--header-h) + 22px);
}
.cataract-content h2 {
  margin: 1.75em 0 .55em;
  padding-top: .25em;
  font-size: clamp(1.55rem, 2.7vw, 2rem);
  letter-spacing: -.02em;
}
.cataract-content h2:first-child { margin-top: .45em; }
.cataract-content h2::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: 13px;
  background: var(--blue);
}
.cataract-content h3 { margin-top: 1.5em; font-size: 1.25rem; }
.cataract-content p { max-width: 72ch; }
.cataract-content li::marker { color: var(--cyan); }
.cataract-content a { color: var(--blue); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.cataract-content a:hover { color: var(--blue-dark); text-decoration-color: currentColor; }
.cataract-explainer {
  margin: 36px 0 0;
  padding: clamp(12px, 2vw, 22px);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.cataract-explainer img { display: block; width: 100%; height: auto; border-radius: 10px; }
.cataract-explainer figcaption { color: var(--muted); font-size: .78rem; line-height: 1.5; text-align: center; margin-top: 12px; }
.cataract-article .disclaimer-box {
  color: var(--muted);
  background: var(--bg);
  border-color: var(--line);
  margin-top: 36px;
}
.cataract-article .byline { border-top: 1px solid var(--line); padding-top: 22px; margin-top: 26px; }
.cataract-page :target { scroll-margin-top: calc(var(--header-h) + 20px); }
.cataract-page .faq-item { border-color: var(--line); }
.cataract-page .faq-q { color: var(--navy); }
.cataract-page .faq-q .faq-icon { color: var(--blue); }
.cataract-page .faq-item.open .faq-icon { background: var(--blue); color: #fff; }
.cataract-page .section-grey { background: var(--bg); }
.cataract-page .section-grey .card { background: #fff; }

@media (max-width: 900px) {
  .cataract-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(220px, .72fr); gap: 30px; }
  .cataract-reading-grid { grid-template-columns: 205px minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 680px) {
  .cataract-hero { padding-top: 20px; }
  .cataract-hero-grid { grid-template-columns: minmax(0, 1fr); padding-top: 34px; gap: 22px; }
  .cataract-hero h1 { max-width: 16ch; font-size: clamp(2.45rem, 12vw, 4rem); }
  .cataract-hero-art { width: min(100%, 520px); margin-inline: auto; }
  .cataract-art-frame { width: 88%; margin-inline: auto; }
  .cataract-reading-grid { grid-template-columns: minmax(0, 1fr); }
  .cataract-rail { position: static; }
  .cataract-toc nav { max-height: 42vh; }
  .cataract-toc ol { columns: 2; column-gap: 22px; }
  .cataract-toc li { break-inside: avoid; }
  .cataract-toc a { font-size: .77rem; }
  .cataract-rail-appointment { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: center; }
  .cataract-rail-label,
  .cataract-rail-appointment h2,
  .cataract-rail-appointment p { grid-column: 1; }
  .cataract-rail-appointment .btn { grid-column: 2; grid-row: 1 / span 3; width: auto; }
  .cataract-article { padding: 22px 19px; }
  .cataract-content { font-size: .97rem; }
}
@media (max-width: 400px) {
  .cataract-actions { align-items: stretch; flex-direction: column; }
  .cataract-actions .btn { width: 100%; }
  .cataract-toc ol { columns: 1; }
  .cataract-rail-appointment { display: block; }
  .cataract-rail-appointment .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .cataract-page *,
  .cataract-page *::before,
  .cataract-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}