:root {
  --brand: #1f5d4c;
  --brand-dark: #164537;
  --accent: #b9852f;
  --ink: #1b2430;
  --muted: #4a5563;
  --line: #d9dfe5;
  --bg: #ffffff;
  --bg-alt: #f4f6f3;
  --bg-hero: #eef3ef;
  --radius: 10px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--brand); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }
.center { text-align: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--serif); font-weight: 600; font-size: 1.3rem; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--ink); text-decoration: none; font-size: 1rem; }
.nav a:hover { color: var(--brand); }

/* Buttons */
.btn { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; font-weight: 700; font-size: 1.05rem; padding: 14px 26px; border-radius: var(--radius); border: 2px solid var(--brand); cursor: pointer; font-family: var(--sans); transition: background .15s; }
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-ghost:hover { background: var(--brand); color: #fff; }
.nav .btn-small, .btn-small { padding: 8px 16px; font-size: .95rem; color: #fff; }
.btn-block { width: 100%; }

/* Hero */
.hero { background: var(--bg-hero); padding: 72px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; font-weight: 700; color: var(--brand); margin-bottom: .6em; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 40em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 22px; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--muted); font-size: 1rem; }
.trust li::before { content: "✓"; color: var(--brand); font-weight: 700; margin-right: 8px; }
.hero-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 30px 32px; box-shadow: 0 10px 30px rgba(27,36,48,.07); }
.hero-card h2 { font-size: 1.3rem; }
.hero-card ol { margin: 0; padding-left: 1.3em; }
.hero-card li { margin-bottom: .55em; }

/* Sections */
.section { padding: 80px 0; scroll-margin-top: 68px; }
.section-alt { background: var(--bg-alt); }
.section-title { text-align: center; margin-bottom: .7em; }
.section-title.left { text-align: left; }
.section-lead { text-align: center; color: var(--muted); font-size: 1.12rem; margin: 0 auto 2em; max-width: 40em; }
.fine { font-size: .9rem; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--brand); border-radius: var(--radius); padding: 26px 24px; }
.card p { color: var(--muted); font-size: 1rem; margin: 0; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.steps li { background: #fff; border-radius: var(--radius); padding: 30px 26px; border: 1px solid var(--line); }
.step-num { display: inline-flex; width: 44px; height: 44px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; font-size: 1.2rem; align-items: center; justify-content: center; margin-bottom: 14px; }
.steps p { color: var(--muted); margin: 0; font-size: 1rem; }

.options { margin: 0 0 1.5em; }
.options > div { display: grid; grid-template-columns: 170px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.options dt { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; color: var(--brand); }
.options dd { margin: 0; color: var(--muted); }

/* Quiz */
.quiz fieldset { border: 1px solid var(--line); background: #fff; border-radius: var(--radius); padding: 18px 22px; margin: 0 0 14px; }
.quiz legend { font-weight: 600; padding: 0 6px; margin-left: -6px; float: left; width: 100%; margin-bottom: 10px; }
.quiz label { display: inline-flex; align-items: center; gap: 8px; margin-right: 26px; font-size: 1.05rem; cursor: pointer; padding: 4px 0; }
.quiz input[type=radio] { width: 22px; height: 22px; accent-color: var(--brand); }
.quiz .btn { margin-top: 8px; }
.quiz-result { margin-top: 22px; padding: 24px 26px; border-radius: var(--radius); background: #fff; border-left: 6px solid var(--muted); }
.quiz-result.high { border-left-color: var(--accent); }
.quiz-result.mid { border-left-color: var(--brand); }
.quiz-result.low { border-left-color: #7a9a8f; }
.quiz-result h3 { margin-bottom: .3em; }

/* Physicians */
.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center; }
.checklist { list-style: none; padding: 30px 32px; margin: 0; background: var(--bg-hero); border-radius: 14px; }
.checklist li { padding: 10px 0 10px 34px; position: relative; border-bottom: 1px solid var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 9px; color: var(--brand); font-weight: 700; font-size: 1.15rem; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 1.1rem; padding: 16px 32px 16px 0; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 1.5rem; color: var(--brand); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); }

/* Form */
.section-form { background: var(--bg-hero); }
.lead-form { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 34px; box-shadow: 0 10px 30px rgba(27,36,48,.06); }
.lead-form label { display: block; font-weight: 600; font-size: 1rem; margin-bottom: 18px; }
.lead-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lead-form input[type=text], .lead-form input[type=tel], .lead-form input[type=email], .lead-form select, .lead-form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 12px 14px; font-size: 1.05rem; font-family: var(--sans);
  border: 1.5px solid #b9c2cb; border-radius: 8px; background: #fff; color: var(--ink);
}
.lead-form textarea { resize: vertical; }
.opt { font-weight: 400; color: var(--muted); }
.consent { display: flex !important; gap: 12px; align-items: flex-start; font-weight: 400 !important; font-size: .88rem !important; color: var(--muted); line-height: 1.5; }
.consent input { width: 22px; height: 22px; flex: 0 0 auto; margin-top: 2px; accent-color: var(--brand); }
.hidden-field { position: absolute; left: -9999px; }

/* Footer */
.site-footer { background: var(--ink); color: #c9d0d8; padding: 48px 0; font-size: .9rem; }
.site-footer p { max-width: 62em; }
.site-footer strong { color: #fff; }
.site-footer a { color: #fff; }
.footer-links { margin-top: 1.5em; }

/* Simple pages */
.page { padding: 60px 0 80px; }
.page h1 { font-size: 2.2rem; }
.page h2 { font-size: 1.35rem; margin-top: 1.6em; }

/* Responsive */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 36px; }
  .nav a:not(.btn) { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 18px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 48px 0 56px; }
  .section { padding: 56px 0; }
  .cards, .steps { grid-template-columns: 1fr; }
  .options > div { grid-template-columns: 1fr; gap: 4px; }
  .lead-form { padding: 22px 18px; }
  .lead-form .row { grid-template-columns: 1fr; gap: 0; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .brand { font-size: 1.1rem; gap: 8px; }
  .brand span, .nav .btn-small { white-space: nowrap; }
  .nav .btn-small { padding: 8px 12px; font-size: .88rem; }
}