/* ============================================================
   KeyTone Medical — Orthobiologics & Pain Medicine
   Brand ombre: #505ACC (indigo) → #0FFFA7 (mint)
   ============================================================ */

:root {
  --c-indigo: #505ACC;
  --c-indigo-deep: #2E3699;
  --c-indigo-ink: #1A1F4D;
  --c-mint: #0FFFA7;
  --c-mint-deep: #07C57F;
  --c-ink: #0E1530;
  --c-ink-soft: #3A4060;
  --c-muted: #6B7194;
  --c-line: #E5E7F2;
  --c-bg: #FBFBFE;
  --c-bg-alt: #F4F4FB;
  --c-white: #FFFFFF;

  --grad-brand: linear-gradient(120deg, #505ACC 0%, #0FFFA7 100%);
  /* Text-safe version of the brand ombre for light backgrounds.
     The mint end (#0FFFA7) measures 1.32:1 against white - unreadable.
     Deep teal (#047857) keeps the indigo-to-green sweep at 4.8:1. */
  --grad-text: linear-gradient(120deg, #505ACC 0%, #047857 100%);
  --grad-brand-soft: linear-gradient(120deg, rgba(80,90,204,0.08) 0%, rgba(15,255,167,0.10) 100%);
  --grad-brand-dark: linear-gradient(135deg, #1A1F4D 0%, #2E3699 50%, #0FFFA7 130%);

  --shadow-sm: 0 1px 2px rgba(14, 21, 48, 0.05), 0 1px 3px rgba(14, 21, 48, 0.04);
  --shadow-md: 0 8px 24px rgba(14, 21, 48, 0.08);
  --shadow-lg: 0 24px 60px rgba(14, 21, 48, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --font-serif: 'Cormorant', 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-w: 1200px;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--c-indigo); text-decoration: none; }
a:hover { color: var(--c-indigo-deep); }
button { font-family: inherit; cursor: pointer; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; color: var(--c-indigo-deep); font-size: 0.85rem; }
p { margin: 0 0 1em; color: var(--c-ink-soft); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-indigo);
  margin-bottom: 1rem;
}
.lede { font-size: 1.15rem; color: var(--c-ink-soft); max-width: 60ch; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ----- Layout ----- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section-tight { padding: clamp(2rem, 4vw, 3rem) 0; }

/* ----- Header / Nav ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--c-ink);
  letter-spacing: -0.01em;
}
.brand .logo-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
}
/* Footer sits on a dark background — give a subtle white plate so dark logos remain legible */
.site-footer .brand .logo-mark {
  background: rgba(255, 255, 255, 0.96);
  border-radius: 8px;
  padding: 4px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text small {
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-top: 4px;
  font-weight: 500;
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--c-ink-soft);
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
}
.nav-links a.active, .nav-links a:hover { color: var(--c-ink); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-ink);
  margin: 5px 0;
  transition: transform 0.25s, opacity 0.25s;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-brand);
  color: var(--c-white);
  box-shadow: 0 6px 20px rgba(80, 90, 204, 0.32);
}
.btn-primary:hover {
  transform: translateY(-1px);
  color: var(--c-white);
  box-shadow: 0 10px 28px rgba(80, 90, 204, 0.4);
}
.btn-ghost {
  background: rgba(80, 90, 204, 0.06);
  color: var(--c-indigo-deep);
}
.btn-ghost:hover {
  background: rgba(80, 90, 204, 0.12);
  color: var(--c-indigo-deep);
}
.btn-outline {
  background: transparent;
  color: var(--c-ink);
  border: 1.5px solid var(--c-line);
}
.btn-outline:hover { border-color: var(--c-indigo); color: var(--c-indigo); }

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 7rem) 0 clamp(4rem, 10vw, 9rem);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -10% -20% auto auto;
  width: 70%;
  height: 80%;
  background: var(--grad-brand);
  opacity: 0.12;
  filter: blur(110px);
  z-index: 0;
  border-radius: 50%;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero h1 { margin-bottom: 1.25rem; }
.hero .lede { font-size: 1.2rem; margin-bottom: 2rem; }
.hero-cta { display: flex; gap: 0.85rem; flex-wrap: wrap; }
.hero-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--grad-brand-soft);
  box-shadow: var(--shadow-lg);
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.hero-badge strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--c-ink);
  font-size: 1.05rem;
  margin-bottom: 2px;
}
.hero-badge span {
  font-size: 0.82rem;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

/* ----- Hero facts panel (replaces the homepage portrait) ----- */
.hero-facts {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--grad-brand-soft);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.hero-fact {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}
.hero-fact strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--c-ink);
  margin-bottom: 2px;
}
.hero-fact span { font-size: 0.85rem; color: var(--c-muted); }
.hero-fact span a { font-weight: 600; }

/* ----- Credentials strip ----- */
.creds-strip {
  background: var(--c-white);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 2rem 0;
}
.creds-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  text-align: center;
}
.creds-row > div {
  flex: 1 1 180px;
  font-family: var(--font-serif);
  color: var(--c-ink);
  font-size: 0.95rem;
  line-height: 1.4;
}
.creds-row > div small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

/* ----- Section header ----- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-head .lede { margin: 0 auto; }

/* ----- Pillar / service cards ----- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.pillar {
  position: relative;
  padding: 2rem;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  overflow: hidden;
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.pillar::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity 0.25s;
}
.pillar:hover::before { opacity: 1; }
.pillar-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-brand-soft);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}
.pillar-icon svg { width: 28px; height: 28px; }
.pillar h3 { margin-bottom: 0.5rem; }
.pillar p { margin-bottom: 1rem; }
.pillar a.learn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--c-indigo-deep);
}
.pillar a.learn:hover { gap: 10px; transition: gap 0.2s; }

/* ----- Pathway cards (audience routing) ----- */
.pathways {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.pathway {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  position: relative;
  overflow: hidden;
}
.pathway.dark {
  background: var(--grad-brand-dark);
  color: var(--c-white);
  border: 0;
}
.pathway.dark h2, .pathway.dark h3 { color: var(--c-white); }
.pathway.dark p { color: rgba(255,255,255,0.85); }
.pathway.dark .eyebrow { color: var(--c-mint); }
.pathway .btn-outline { color: var(--c-white); border-color: rgba(255,255,255,0.4); }
.pathway .btn-outline:hover { background: rgba(255,255,255,0.1); color: var(--c-white); border-color: var(--c-white); }

/* ----- Two-column section ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.two-col.reverse > :first-child { order: 2; }

/* ----- Feature list ----- */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink);
  font-size: 0.97rem;
}
.feature-list li:last-child { border-bottom: 0; }
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--grad-brand);
  background-image:
    linear-gradient(120deg, #505ACC 0%, #0FFFA7 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M5 12l5 5L20 7'/%3E%3C/svg%3E");
  background-blend-mode: normal;
}
.feature-list li::before {
  display: flex;
  align-items: center;
  justify-content: center;
  content: '✓';
  color: white;
  font-weight: 700;
  font-size: 0.72rem;
}

/* ----- Bio panel ----- */
.bio-panel {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
}
.bio-portrait {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grad-brand-soft);
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-md);
}
.bio-portrait img { width:100%; height:100%; object-fit: cover; object-position: 100% center; }
.bio-credentials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.cred-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
}
.cred-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 4px;
}
.cred-card span {
  font-size: 0.85rem;
  color: var(--c-muted);
}
.timeline {
  border-left: 2px solid var(--c-line);
  padding-left: 1.75rem;
  margin: 2rem 0;
}
.timeline-item {
  margin-bottom: 1.5rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.9rem;
  top: 0.4rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-white);
  border: 3px solid;
  border-image: var(--grad-brand) 1;
  background: var(--grad-brand);
}
.timeline-item .date {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-indigo-deep);
  margin-bottom: 4px;
}
.timeline-item h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--c-ink);
  margin-bottom: 4px;
}
.timeline-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ----- Service detail block ----- */
.service-block {
  padding: clamp(2rem, 4vw, 3.5rem);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.service-block .service-head {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.service-block .pillar-icon { margin: 0; }

/* ----- Contact / Form ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact-card {
  padding: 2rem;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}
.contact-card h4 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.5rem;
}
.contact-card .value {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--c-ink);
}
.form {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 1.25rem; }
.form-row.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0;
}
.form-row.split .form-row { margin-bottom: 1.25rem; }
.form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--c-ink);
}
.form label .req { color: var(--c-indigo); }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: inherit;
  font-size: 0.97rem;
  color: var(--c-ink);
  background: var(--c-bg);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--c-indigo);
  background: var(--c-white);
  box-shadow: 0 0 0 4px rgba(80, 90, 204, 0.12);
}
.form textarea { resize: vertical; min-height: 120px; }
.role-toggle {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.role-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.role-toggle label {
  flex: 1;
  min-width: 130px;
  padding: 0.85rem 1rem;
  text-align: center;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--c-ink-soft);
  background: var(--c-bg);
  transition: all 0.2s;
}
.role-toggle input:checked + label {
  border-color: var(--c-indigo);
  color: var(--c-indigo-deep);
  background: rgba(80, 90, 204, 0.06);
  box-shadow: 0 0 0 3px rgba(80, 90, 204, 0.08);
}
.form .note {
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-top: 1rem;
}

/* ----- Footer ----- */
.site-footer {
  background: var(--c-ink);
  color: rgba(255,255,255,0.75);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.site-footer h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-brand .brand { color: var(--c-white); }
.footer-brand p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.65);
  max-width: 38ch;
  margin-top: 1rem;
}
.site-footer a { color: rgba(255,255,255,0.75); display: block; padding: 0.3rem 0; font-size: 0.92rem; }
.site-footer a:hover { color: var(--c-mint); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}

/* ----- Footer legal links ----- */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.4rem;
  padding-top: 1rem;
  font-size: 0.78rem;
}
.site-footer .footer-legal a {
  display: inline;
  padding: 0;
  color: rgba(255, 255, 255, 0.55);
}
.site-footer .footer-legal a:hover { color: var(--c-mint); }
/* ----- Footer nondiscrimination notice ----- */
.footer-notice {
  max-width: 70ch;
  padding-top: 1.25rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.5);
}

/* ----- Sources and further reading (education pages) ----- */
.sources-note { font-size: 0.95rem; color: var(--c-ink-soft); margin-bottom: 0.75rem; }
.source-list { padding-left: 1.25rem; font-size: 0.95rem; }
.source-list li { margin-bottom: 0.55rem; }
.source-list .src-meta { color: var(--c-ink-soft); }

/* ----- Keyboard focus (WCAG 2.4.7) ----- */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--c-indigo);
  outline-offset: 2px;
}

/* ----- CTA Banner ----- */
.cta-banner {
  background: var(--grad-brand-dark);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  color: var(--c-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: -50% -20% auto auto;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(15,255,167,0.3) 0%, transparent 60%);
  z-index: 0;
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--c-white); margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255,255,255,0.9); max-width: 60ch; margin: 0 auto 2rem; }
.cta-banner .btn-primary {
  background: var(--c-white);
  color: var(--c-indigo-deep);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.cta-banner .btn-primary:hover { color: var(--c-indigo-deep); }
.cta-banner .btn-outline { color: var(--c-white); border-color: rgba(255,255,255,0.4); }

/* ----- Page hero (slimmer than home hero) ----- */
.page-hero {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content:'';
  position: absolute;
  inset: -50% auto auto 30%;
  width: 60%; height: 80%;
  background: var(--grad-brand);
  opacity: 0.08;
  filter: blur(110px);
  border-radius: 50%;
  z-index: 0;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero .lede { margin: 0 auto; }

/* ----- Responsive ----- */
@media (max-width: 1120px) {
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.9rem; }
}
@media (max-width: 900px) {
  .hero-grid, .two-col, .contact-grid, .pathways, .bio-panel { grid-template-columns: 1fr; }
  .two-col.reverse > :first-child { order: initial; }
  .bio-portrait { position: static; max-width: 320px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    flex-direction: column;
    background: var(--c-white);
    padding: 1.5rem 1.5rem 2rem;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    /* translateY alone leaves the menu's bottom edge overlapping the
       header (it covered the top of the logo and wordmark on phones) */
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s, visibility 0s linear 0.3s;
    gap: 1rem;
    align-items: stretch;
  }
  .nav-links.open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.3s, visibility 0s;
  }
  .nav-links a { padding: 0.6rem 0; font-size: 1.1rem; }
  .nav-links .btn { margin-top: 0.5rem; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .form-row.split { grid-template-columns: 1fr; }
  .creds-row > div { flex-basis: 100%; text-align: left; padding: 0.5rem 0; border-bottom: 1px solid var(--c-line); }
  .creds-row > div:last-child { border-bottom: 0; }
}

/* ============================================================
   PATIENT EDUCATION HUB
   ============================================================ */

/* ----- Category group on hub ----- */
.edu-group { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.edu-group-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--c-line);
  flex-wrap: wrap;
}
.edu-group-head h2 { margin: 0; font-size: clamp(1.4rem, 2.2vw, 1.8rem); }
.edu-group-head p { margin: 0; color: var(--c-muted); font-size: 0.95rem; }

.proc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.proc-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}
.proc-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity 0.25s;
}
.proc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
  color: var(--c-ink);
}
.proc-card:hover::before { opacity: 1; }
.proc-card .proc-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--c-indigo);
  margin-bottom: 0.85rem;
}
.proc-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.proc-card p {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex: 1;
}
.proc-card .arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--c-indigo-deep);
}
.proc-card:hover .arrow { gap: 10px; transition: gap 0.2s; }

/* ----- Procedure page layout ----- */
.proc-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
}
.proc-hero::before {
  content: '';
  position: absolute;
  inset: -40% auto auto 50%;
  width: 60%; height: 90%;
  background: var(--grad-brand);
  opacity: 0.07;
  filter: blur(110px);
  border-radius: 50%;
  z-index: 0;
}
.proc-hero > .container { position: relative; z-index: 1; }
.proc-hero h1 { margin-bottom: 0.85rem; font-size: clamp(2rem, 4vw, 3rem); }
.proc-hero .lede { font-size: 1.15rem; margin-bottom: 0; }
.proc-crumb {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  margin-bottom: 1rem;
}
.proc-crumb a { color: var(--c-muted); }
.proc-crumb a:hover { color: var(--c-indigo); }

.proc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.proc-body { font-size: 1rem; }
.proc-body h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.75rem);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.proc-body h2:first-child { margin-top: 0; }
.proc-body h3 { font-size: 1.15rem; margin-top: 1.5rem; margin-bottom: 0.5rem; }
.proc-body p { color: var(--c-ink-soft); }

/* ----- Fact sidebar ----- */
.fact-card {
  position: sticky;
  top: 100px;
  padding: 1.75rem;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.fact-card h4 {
  margin-bottom: 1rem;
  color: var(--c-indigo-deep);
}
.fact-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}
.fact-card dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 2px;
}
.fact-card dd {
  margin: 0 0 0.5rem;
  font-size: 0.97rem;
  color: var(--c-ink);
  font-weight: 500;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-line);
}
.fact-card dd:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.fact-card .btn { margin-top: 1.5rem; width: 100%; }

/* ----- Candidate criteria callout ----- */
.callout {
  padding: 1.5rem 1.75rem;
  background: var(--grad-brand-soft);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--c-indigo);
  margin: 1.5rem 0 2rem;
}
.callout h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  color: var(--c-indigo-deep);
}
.callout p:last-child { margin-bottom: 0; }
.callout ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }
.callout li { margin-bottom: 0.35rem; color: var(--c-ink); }

/* ----- FAQ accordion ----- */
.faq-list { margin: 1rem 0 0; }
.faq-item {
  border-bottom: 1px solid var(--c-line);
  padding: 0;
}
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 0;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--c-indigo);
  font-weight: 400;
  transition: transform 0.2s;
  line-height: 1;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { color: var(--c-indigo-deep); }
.faq-item .faq-body {
  padding: 0 0 1.25rem;
  color: var(--c-ink-soft);
  font-size: 0.97rem;
  line-height: 1.65;
}
.faq-item .faq-body p:last-child { margin-bottom: 0; }

/* ----- Visit timeline ----- */
.visit-timeline {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 2rem;
  counter-reset: vt;
}
.visit-timeline li {
  position: relative;
  padding: 0 0 1.5rem 3rem;
  counter-increment: vt;
}
.visit-timeline li::before {
  content: counter(vt);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--grad-brand);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--font-sans);
}
.visit-timeline li::after {
  content: '';
  position: absolute;
  left: 1rem;
  top: 2rem;
  bottom: 0;
  width: 1px;
  background: var(--c-line);
}
.visit-timeline li:last-child { padding-bottom: 0; }
.visit-timeline li:last-child::after { display: none; }
.visit-timeline strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: var(--c-ink);
}
.visit-timeline p { margin: 0; font-size: 0.97rem; }

/* ----- Related procedures footer ----- */
.related-procs {
  background: var(--c-bg-alt);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.related-procs h3 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.4rem;
}

/* ----- Medical disclaimer ----- */
.med-disclaimer {
  font-size: 0.82rem;
  color: var(--c-muted);
  background: var(--c-bg-alt);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-top: 2.5rem;
  line-height: 1.55;
}
.med-disclaimer strong { color: var(--c-ink-soft); }

@media (max-width: 900px) {
  .proc-layout { grid-template-columns: 1fr; }
  .fact-card { position: static; }
}