/* ==================================================
   Lumina Vision Rehabilitation — Design System v2
   Editorial, premium healthcare aesthetic
   ================================================== */
:root {
  --cream:         #F8F4EB;
  --cream-deep:    #EFE7D6;
  --white:         #FFFFFF;
  --navy:          #16213F;
  --navy-soft:     #2B3A5E;
  --navy-tint:     #3D4C70;
  --champagne:     #B69868;
  --champagne-deep:#9C7F52;
  --champagne-pale:#E4D4B8;
  --sage:          #8A9990;
  --ink:           #4A463D;
  --ink-light:     #756F60;
  --line:          rgba(22, 33, 63, 0.10);
  --line-on-navy:  rgba(255, 255, 255, 0.14);

  --serif: "Fraunces", "Georgia", serif;
  --sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1180px;
  --text-width: 620px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-size: 16.5px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--navy);
  line-height: 1.08;
  margin: 0 0 0.5em;
  font-weight: 500;
  letter-spacing: -0.012em;
}

h1 { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 460; letter-spacing: -0.02em; }
h1 em, h2 em { font-style: italic; font-weight: 400; color: var(--champagne-deep); }
h2 { font-size: clamp(2rem, 4vw, 2.9rem); }
h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.005em; }

p { margin: 0 0 1.2em; color: var(--ink-light); }
p.lede { font-size: 1.22rem; color: var(--navy-tint); line-height: 1.55; }

a { color: var(--navy); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}
.prose { max-width: var(--text-width); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 15px 30px;
  border-radius: 2px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-soft); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-secondary:hover { background: var(--navy); color: var(--white); }
.btn-champagne { background: var(--champagne); color: var(--white); }
.btn-champagne:hover { background: var(--champagne-deep); transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2.5px solid var(--champagne);
  outline-offset: 3px;
}

/* ---------- Header / Nav ---------- */
header.site-header {
  background: rgba(248, 244, 235, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); flex-shrink: 0; }
.brand img { height: 58px; width: auto; display: block; }

nav.primary-nav { display: flex; gap: 30px; align-items: center; }
nav.primary-nav a {
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--navy-tint);
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  padding-bottom: 3px;
}
nav.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--champagne-deep);
  transition: width 0.25s ease;
}
nav.primary-nav a:hover, nav.primary-nav a.active { color: var(--navy); }
nav.primary-nav a:hover::after, nav.primary-nav a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-phone { font-size: 0.9rem; color: var(--navy); text-decoration: none; font-weight: 600; white-space: nowrap; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 940px) {
  nav.primary-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream); flex-direction: column; align-items: flex-start;
    padding: 10px 32px 24px; border-bottom: 1px solid var(--line); gap: 18px;
  }
  nav.primary-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-phone { display: none; }
}

/* ---------- Hero v2 ---------- */
.hero-v2 {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
}
.hero-watermark {
  position: absolute;
  top: -8%;
  right: -6%;
  width: 620px;
  max-width: 60vw;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}
.hero-v2 .container { position: relative; z-index: 1; }
.hero-content { max-width: 700px; }
.hero-kicker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--champagne-deep);
  display: block;
  margin-bottom: 22px;
  opacity: 0;
  animation: rise 0.8s ease-out 0.05s forwards;
}
.hero-v2 h1 {
  margin-bottom: 26px;
  opacity: 0;
  animation: rise 0.9s ease-out 0.18s forwards;
}
.hero-v2 .lede {
  max-width: 460px;
  opacity: 0;
  animation: rise 0.9s ease-out 0.34s forwards;
}
.hero-actions {
  display: flex; gap: 18px; flex-wrap: wrap; margin-top: 34px;
  opacity: 0;
  animation: rise 0.9s ease-out 0.48s forwards;
}
.hero-meta {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-light);
  display: flex;
  flex-wrap: wrap;
  max-width: 580px;
  opacity: 0;
  animation: rise 0.9s ease-out 0.6s forwards;
}
.hero-meta span { display: inline-flex; align-items: center; margin-right: 26px; margin-bottom: 6px; }
.hero-meta span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--champagne); margin-right: 8px; flex-shrink: 0; }

@keyframes rise {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---------- Sections ---------- */
section { padding: 100px 0; }
section.tight { padding: 72px 0; }
section.cream-deep { background: var(--cream-deep); }
section.navy { background: var(--navy); color: var(--white); position: relative; overflow: hidden; }
section.navy h2, section.navy h3 { color: var(--white); }
section.navy p { color: #A9B4CC; }
section.navy .watermark-icon { position: absolute; opacity: 0.5; pointer-events: none; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  font-family: var(--serif); font-style: italic; color: var(--champagne-deep);
  font-size: 1.02rem; display: block; margin-bottom: 14px;
}

/* ---------- Grids / Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 44px; }
@media (max-width: 820px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 38px 32px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 48px -24px rgba(22, 33, 63, 0.18);
  border-color: var(--champagne-pale);
}
.card h3 { margin-bottom: 12px; }
.card p { margin-bottom: 0; }
.card .card-index { font-family: var(--serif); font-style: italic; color: var(--champagne); font-size: 1rem; display: block; margin-bottom: 14px; }

.service-item {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
}
.service-item:last-child { border-bottom: 1px solid var(--line); }
@media (max-width: 720px) { .service-item { grid-template-columns: 1fr; gap: 10px; } }
.service-item h3 { margin-bottom: 10px; }

/* ---------- Who We Help chips ---------- */
.condition-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 36px; }
@media (max-width: 720px) { .condition-list { grid-template-columns: 1fr; } }
.condition-list li { padding-left: 30px; position: relative; color: var(--ink-light); }
.condition-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--champagne); }
section.navy .condition-list li { color: #C9D2E0; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 30px; }
.step { display: grid; grid-template-columns: 48px 1fr; gap: 22px; align-items: start; }
.step .num {
  counter-increment: step; font-family: var(--serif); font-size: 1.25rem; color: var(--champagne-deep);
  border: 1.5px solid var(--champagne); width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; background: var(--white);
}
.step .num::before { content: counter(step); }

/* ---------- FAQ ---------- */
.faq-item { border-top: 1px solid var(--line); padding: 26px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  font-family: var(--serif); font-size: 1.15rem; cursor: pointer; color: var(--navy);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 18px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.6rem; color: var(--champagne-deep); flex-shrink: 0; font-family: var(--sans); }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin-top: 16px; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-detail { margin-bottom: 26px; }
.contact-detail .label { font-size: 0.82rem; letter-spacing: 0.04em; color: var(--ink-light); margin-bottom: 5px; }
.contact-detail a { font-size: 1.15rem; text-decoration: none; color: var(--navy); font-weight: 600; }
.contact-detail a:hover { color: var(--champagne-deep); }

form.contact-form { display: grid; gap: 18px; }
form.contact-form label { font-size: 0.88rem; font-weight: 600; color: var(--navy-tint); display: block; margin-bottom: 7px; }
form.contact-form input, form.contact-form textarea, form.contact-form select {
  width: 100%; font-family: var(--sans); font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: 2px; background: var(--white); color: var(--navy);
}
form.contact-form input:focus, form.contact-form textarea:focus, form.contact-form select:focus { outline: none; border-color: var(--champagne); }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--navy); color: #A9B4CC; padding: 64px 0 32px; }
footer.site-footer a { color: #A9B4CC; text-decoration: none; }
footer.site-footer a:hover { color: var(--champagne-pale); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand img { height: 46px; }
footer h4 { color: var(--white); font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.03em; margin-bottom: 16px; font-weight: 600; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-bottom { border-top: 1px solid var(--line-on-navy); padding-top: 24px; font-size: 0.84rem; color: #6E7B96; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 64px 0 24px; position: relative; overflow: hidden; }
.page-hero .kicker { font-family: var(--serif); font-style: italic; color: var(--champagne-deep); font-size: 1.05rem; }
.page-hero-watermark {
  position: absolute;
  top: -18%;
  right: -6%;
  width: 320px;
  max-width: 40vw;
  opacity: 0.13;
  pointer-events: none;
  z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }

/* ---------- About photo ---------- */
.about-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 3px;
  display: block;
  border: 1px solid var(--line);
}
.about-photo-caption {
  margin-top: 16px;
  font-size: 0.92rem;
  color: var(--ink-light);
}
.about-photo-caption strong { color: var(--navy); display: block; font-family: var(--serif); font-size: 1.08rem; margin-bottom: 3px; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--navy); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { color: var(--white); }
.cta-band p { color: #A9B4CC; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-band .hero-actions { justify-content: center; opacity: 1; animation: none; margin-top: 30px; }
.cta-band .container { position: relative; z-index: 1; }