/* Shared base stylesheet for the Smile Studio Dental education sites.
   Source: sites-src/common/base.css. The build appends each site's theme.css,
   which overrides the tokens below. Edit tokens first. */

/* Metric-matched fallbacks so the web-font swap doesn't shift the layout (CLS). */
@font-face { font-family: "Inter Fallback"; src: local("Arial"), local("Liberation Sans"), local("Helvetica"); size-adjust: 107.12%; ascent-override: 90.44%; descent-override: 22.52%; line-gap-override: 0%; }
@font-face { font-family: "Libre Baskerville Fallback"; src: local("Georgia"), local("Times New Roman"), local("Liberation Serif"); size-adjust: 112.5%; ascent-override: 86%; descent-override: 24%; line-gap-override: 0%; }
@font-face { font-family: "Playfair Display Fallback"; src: local("Georgia"), local("Times New Roman"), local("Liberation Serif"); size-adjust: 103%; ascent-override: 105%; descent-override: 24%; line-gap-override: 0%; }

:root {
  --ink: #1c2738;
  --ink-soft: #4a5568;
  --blue: #33517a;
  --blue-deep: #22385a;
  --blue-night: #182a45;
  --blue-wash: #e8eef6;
  --cream: #f6f1e7;
  --paper: #fbf8f2;
  --white: #ffffff;
  --gold: #a98e5f;
  --gold-deep: #8a7247;
  --gold-wash: #efe6d4;
  --sage: #5f7a68;
  --line: #e4dccd;
  --line-cool: #d9e0ea;
  --accent-light: #d9c49b;
  --gold-strong: #7a6438;
  --cream-rgb: 246, 241, 231;
  --gold-rgb: 169, 142, 95;
  --blue-rgb: 34, 56, 90;

  --font-display: "Playfair Display", "Playfair Display Fallback", Georgia, "Times New Roman", serif;
  --font-body: "Inter", "Inter Fallback", "Segoe UI", system-ui, -apple-system, sans-serif;

  --step--1: clamp(0.84rem, 0.82rem + 0.1vw, 0.9rem);
  --step-0: clamp(1.02rem, 0.98rem + 0.2vw, 1.12rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.45rem, 1.3rem + 0.8vw, 1.9rem);
  --step-3: clamp(1.85rem, 1.55rem + 1.5vw, 2.7rem);
  --step-4: clamp(2.3rem, 1.8rem + 2.6vw, 3.8rem);

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;
  --shadow-s: 0 1px 2px rgba(28, 39, 56, 0.06), 0 2px 8px rgba(28, 39, 56, 0.05);
  --shadow: 0 2px 6px rgba(28, 39, 56, 0.06), 0 14px 40px rgba(28, 39, 56, 0.09);
  --max: 1200px;
  --measure: 68ch;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--blue-deep); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--gold-strong); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; color: var(--blue-night); letter-spacing: -0.01em; margin: 0 0 0.6em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: 0.45em; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 700px) { .container { padding: 0 2rem; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--blue-deep); color: #fff; padding: 0.6rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; top: 1rem; }
.eyebrow { font-family: var(--font-body); font-size: var(--step--1); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-deep); margin: 0 0 0.6rem; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: 0.98rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, box-shadow 0.2s; line-height: 1.2; font-family: var(--font-body); }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--blue-deep); color: #fff; box-shadow: 0 6px 18px rgba(var(--blue-rgb), 0.25); }
.btn-primary:hover { background: var(--blue-night); color: #fff; }
.btn-gold { background: var(--gold-strong); color: #fff; }
.btn-gold:hover { background: var(--blue-deep); color: #fff; }
.btn-ghost { background: transparent; color: var(--blue-deep); border-color: var(--blue-deep); }
.btn-ghost:hover { background: var(--blue-deep); color: #fff; }
.btn-small { padding: 0.55rem 1rem; font-size: 0.88rem; }

/* ---------- Sponsor strip + header ---------- */
.sponsor-strip { background: var(--blue-night); color: rgba(255,255,255,0.82); font-size: 0.84rem; padding: 0.45rem 0; text-align: center; }
.sponsor-strip a { color: #fff; }
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; }
.reading-progress span { display: block; height: 100%; width: 0; background: var(--gold); transition: width 0.1s linear; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 248, 242, 0.94); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.site-logo { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.site-logo img { width: 40px; height: 40px; }
.logo-word { font-family: var(--font-display); font-weight: 600; font-size: 1.22rem; color: var(--blue-deep); letter-spacing: -0.01em; }
.logo-word span { color: var(--gold-deep); }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 0.25rem; }
.main-nav li { margin: 0; position: relative; }
.main-nav a, .dropdown-toggle { display: block; padding: 0.55rem 0.85rem; border-radius: 999px; color: var(--ink); text-decoration: none; font-size: 0.95rem; font-weight: 500; background: none; border: 0; font-family: inherit; cursor: pointer; }
.main-nav a:hover, .dropdown-toggle:hover { background: var(--blue-wash); color: var(--blue-deep); }
.main-nav a[aria-current="page"], .has-dropdown.is-current > .dropdown-toggle { color: var(--blue-deep); background: var(--gold-wash); }
.dropdown-toggle::after { content: ""; display: inline-block; width: 0.42em; height: 0.42em; margin-left: 0.45em; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-0.2em) rotate(45deg); }
.dropdown { position: absolute; top: calc(100% + 8px); left: 0; min-width: 270px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 0.5rem !important; display: none !important; flex-direction: column; align-items: stretch !important; }
.has-dropdown.open .dropdown { display: flex !important; }
.dropdown a { border-radius: var(--radius-s); }
.nav-toggle { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff; cursor: pointer; position: relative; }
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after { position: absolute; left: 50%; width: 20px; height: 2px; background: var(--blue-deep); transform: translateX(-50%); transition: transform 0.2s, top 0.2s; content: ""; }
.nav-toggle .bars { top: 50%; }
.nav-toggle .bars::before { top: -6px; }
.nav-toggle .bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { top: 0; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { top: 0; transform: translateX(-50%) rotate(-45deg); }
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); display: none; }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; align-items: stretch; padding: 0.75rem 1.25rem 1.25rem; }
  .main-nav a, .dropdown-toggle { padding: 0.8rem 1rem; width: 100%; text-align: left; border-radius: var(--radius-s); font-size: 1.02rem; }
  .dropdown { position: static; box-shadow: none; border: 0; background: var(--cream); min-width: 0; margin: 0.25rem 0 0.5rem; }
}

/* ---------- Guide hero ---------- */
.guide-hero { background: linear-gradient(180deg, var(--cream) 0%, var(--paper) 100%); padding: 2.5rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.guide-hero-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .guide-hero-grid { grid-template-columns: 1fr 1.05fr; gap: 3.5rem; padding-top: 1rem; padding-bottom: 1rem; } .guide-hero-grid.no-media { grid-template-columns: 1fr; max-width: 860px; } }
.guide-hero h1 { margin-bottom: 0.35em; }
.standfirst { font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); max-width: 40ch; margin-bottom: 1.2rem; }
.guide-meta { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; font-size: var(--step--1); color: var(--ink-soft); margin: 0; }
.guide-meta span::before, .guide-meta a::before { content: "•"; color: var(--gold); margin-right: 0.5rem; }
.guide-meta span:first-child::before { content: none; }
.breadcrumbs { font-size: var(--step--1); color: var(--ink-soft); margin-bottom: 1.2rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.breadcrumbs a { color: var(--ink-soft); }
.guide-hero-media { margin: 0; position: relative; }
.guide-hero-media img { width: 100%; border-radius: var(--radius-l); box-shadow: var(--shadow); aspect-ratio: 16 / 9; object-fit: cover; }
.guide-hero-media figcaption, .media-caption { position: absolute; right: 0.8rem; bottom: 0.7rem; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; background: rgba(251,248,242,0.88); color: var(--ink-soft); padding: 0.2rem 0.55rem; border-radius: 999px; }

/* ---------- Guide layout ---------- */
.guide-layout { display: grid; gap: 2.5rem; padding-top: 3rem; padding-bottom: 4rem; }
@media (min-width: 1000px) { .guide-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 4rem; } }
.guide-toc { align-self: start; font-size: 0.92rem; }
@media (min-width: 1000px) { .guide-toc { position: sticky; top: 100px; } }
@media (max-width: 999px) { .guide-toc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; } }
.toc-title { font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.76rem; color: var(--gold-deep); margin-bottom: 0.6rem; }
.guide-toc ol { list-style: none; padding: 0; margin: 0 0 1.25rem; border-left: 2px solid var(--line); }
.guide-toc li { margin: 0; }
.guide-toc ol a { display: block; padding: 0.35rem 0 0.35rem 1rem; margin-left: -2px; border-left: 2px solid transparent; color: var(--ink-soft); text-decoration: none; line-height: 1.4; }
.guide-toc ol a:hover { color: var(--blue-deep); }
.guide-toc ol a.active { color: var(--blue-deep); border-left-color: var(--gold); font-weight: 600; }
.toc-cta { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.9rem; text-decoration: none; background: var(--gold-wash); padding: 0.6rem 0.95rem; border-radius: 999px; color: var(--blue-deep); }
.ql-count:not(:empty) { background: var(--blue-deep); color: #fff; border-radius: 999px; font-size: 0.75rem; padding: 0.05rem 0.5rem; min-width: 1.4rem; text-align: center; }

.guide-body { max-width: var(--measure); min-width: 0; }
.guide-body > section { margin-bottom: 2.75rem; }
.guide-body h2 { font-size: var(--step-2); margin-top: 0.4em; scroll-margin-top: 100px; }
.guide-body h3 { margin-top: 1.4em; }
.guide-body ul li::marker { color: var(--gold); }
.short-answer { background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: var(--radius); padding: 1.4rem 1.6rem; margin-bottom: 2.75rem; box-shadow: var(--shadow-s); }
.short-answer p:last-child { margin: 0; font-size: var(--step-1); line-height: 1.55; color: var(--blue-night); }

.callout { background: var(--blue-wash); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin: 1.75rem 0; }
.callout > :last-child { margin-bottom: 0; }
.callout-title { font-weight: 700; color: var(--blue-deep); margin-bottom: 0.4rem; }
.callout.warm { background: var(--gold-wash); }
.callout.caution { background: #f8ede8; }
.callout.caution .callout-title { color: #8a3b23; }

.fact-grid { display: grid; gap: 1rem; margin: 1.5rem 0; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.fact { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.fact strong { display: block; font-family: var(--font-display); font-size: 1.12rem; color: var(--blue-deep); margin-bottom: 0.25rem; }
.fact p { margin: 0; font-size: 0.95rem; color: var(--ink-soft); line-height: 1.55; }

.compare { display: grid; gap: 1rem; margin: 1.5rem 0; }
@media (min-width: 640px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare > div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.4rem; }
.compare h3 { margin-top: 0; font-size: 1.15rem; }
.compare ul { margin: 0; padding-left: 1.1em; font-size: 0.97rem; }

/* "Bring this question" cards that feed the question builder */
.ask { display: flex; gap: 1rem; align-items: flex-start; justify-content: space-between; background: #fff; border: 1px dashed var(--gold); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1.5rem 0; }
.ask p { margin: 0; font-family: var(--font-display); font-size: 1.12rem; line-height: 1.45; color: var(--blue-night); }
.ask p::before { content: "Ask: "; font-family: var(--font-body); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-deep); display: block; margin-bottom: 0.2rem; }
.ask-add { flex-shrink: 0; border: 1.5px solid var(--blue-deep); background: transparent; color: var(--blue-deep); border-radius: 999px; padding: 0.45rem 0.9rem; font: 600 0.85rem var(--font-body); cursor: pointer; white-space: nowrap; }
.ask-add[aria-pressed="true"] { background: var(--blue-deep); color: #fff; }
.no-js .ask-add { display: none; }
@media (max-width: 560px) { .ask { flex-direction: column; } }

/* Steps */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 1.5rem 0; }
.steps > li { counter-increment: step; position: relative; padding: 0 0 1.4rem 3.4rem; margin: 0; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: var(--blue-deep); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 0.95rem; }
.steps > li::after { content: ""; position: absolute; left: 1.12rem; top: 2.5rem; bottom: 0.3rem; width: 2px; background: var(--line); }
.steps > li:last-child::after { display: none; }
.steps strong { display: block; color: var(--blue-night); font-size: 1.06rem; }

/* FAQ */
.faq { margin-top: 1rem; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 0.75rem; overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 1.05rem 3rem 1.05rem 1.3rem; font-weight: 600; color: var(--blue-night); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--gold-deep); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item > div { padding: 0 1.3rem 1.1rem; color: var(--ink-soft); }
.faq-item > div p:last-child { margin-bottom: 0; }

/* Sponsor card */
.sponsor-card { background: var(--blue-deep); color: rgba(255,255,255,0.9); border-radius: var(--radius-l); padding: 2rem 2rem 1.8rem; margin: 3rem 0; position: relative; overflow: hidden; }
.sponsor-card::after { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; border-radius: 50%; border: 36px solid rgba(var(--gold-rgb), 0.18); pointer-events: none; }
.sponsor-card .eyebrow { color: var(--accent-light); }
.sponsor-card h2 { color: #fff; font-size: var(--step-2); }
.sponsor-card p { position: relative; z-index: 1; }
.sponsor-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; position: relative; z-index: 1; }
.sponsor-card .btn-primary { background: var(--gold-strong); box-shadow: none; }
.sponsor-card .btn-primary:hover { background: #fff; color: var(--blue-deep); }
.sponsor-card .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.6); }
.sponsor-card .btn-ghost:hover { background: #fff; color: var(--blue-deep); }
@media (max-width: 560px) { .sponsor-card { padding: 1.5rem 1.25rem; } .sponsor-actions .btn { width: 100%; } }

/* References */
.references { border-top: 1px solid var(--line); padding-top: 1.5rem; font-size: 0.88rem; color: var(--ink-soft); }
.references h2 { font-size: 1.2rem; }
.references li { margin-bottom: 0.6rem; }

/* Series nav */
.series-nav { display: grid; gap: 1rem; margin-top: 3rem; }
@media (min-width: 640px) { .series-nav { grid-template-columns: 1fr 1fr; } }
.series-nav a { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; text-decoration: none; color: var(--blue-night); font-family: var(--font-display); font-size: 1.1rem; line-height: 1.35; transition: border-color 0.2s, transform 0.2s var(--ease); }
.series-nav a:hover { border-color: var(--gold); transform: translateY(-2px); }
.series-nav span { display: block; font-family: var(--font-body); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 0.25rem; }
.series-next { text-align: right; grid-column: -2; }

/* Cards */
.section { padding: 4.5rem 0; }
.section-title { font-size: var(--step-3); }
.section-intro { font-size: var(--step-1); color: var(--ink-soft); max-width: 46ch; line-height: 1.5; }
.related { background: var(--cream); padding: 4rem 0; border-top: 1px solid var(--line); }
.card-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
.guide-card { display: flex; flex-direction: column; background: #fff; border-radius: var(--radius-l); overflow: hidden; text-decoration: none; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-s); transition: transform 0.25s var(--ease), box-shadow 0.25s; }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); color: var(--ink); }
.guide-card-media { aspect-ratio: 16 / 9; background: var(--gold-wash); overflow: hidden; }
.guide-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.guide-card:hover .guide-card-media img { transform: scale(1.04); }
.guide-card-body { padding: 1.3rem 1.4rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.guide-card h3 { font-size: 1.28rem; margin-bottom: 0.4rem; }
.guide-card p { font-size: 0.95rem; color: var(--ink-soft); line-height: 1.55; }
.card-meta { margin-top: auto; font-size: 0.82rem; color: var(--gold-deep); font-weight: 600; }

/* Sponsor band */
.sponsor-band { background: var(--cream); border-top: 1px solid var(--line); padding: 4rem 0; }
.sponsor-band-inner { display: grid; gap: 1.5rem; }
@media (min-width: 860px) { .sponsor-band-inner { grid-template-columns: 0.8fr 1.4fr; gap: 4rem; align-items: start; } }
.sponsor-band h2 { font-size: var(--step-3); margin: 0; }
.sponsor-band p { font-size: var(--step-1); line-height: 1.6; color: var(--ink-soft); }

/* ---------- Home ---------- */
.home-hero { position: relative; background: var(--cream); overflow: hidden; border-bottom: 1px solid var(--line); }
.home-hero-media { position: absolute; inset: 0 0 0 auto; width: 62%; }
.home-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 75% center; }
.home-hero-media::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--cream) 0%, rgba(var(--cream-rgb), 0.85) 18%, rgba(var(--cream-rgb), 0) 45%); z-index: 1; }
.home-hero-inner { position: relative; z-index: 2; padding: 5.5rem 0 6rem; max-width: 600px; }
.home-hero h1 { font-size: var(--step-4); margin-bottom: 0.4em; }
.home-hero h1 em { font-style: italic; color: var(--gold-deep); }
.home-hero .lead { font-size: var(--step-1); color: var(--ink-soft); line-height: 1.55; max-width: 34ch; margin-bottom: 1.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.hero-note { margin-top: 1.4rem; font-size: 0.9rem; color: var(--ink-soft); }
@media (max-width: 860px) {
  .home-hero-media { position: relative; width: 100%; height: 300px; }
  .home-hero-media::before { background: linear-gradient(0deg, var(--cream) 0%, rgba(var(--cream-rgb), 0) 40%); }
  .home-hero-inner { padding: 0.5rem 0 3.5rem; }
}

.walkthrough { padding: 5rem 0; }
.walk-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 2rem 0 1.5rem; }
.walk-tab { border: 1.5px solid var(--line); background: #fff; border-radius: 999px; padding: 0.7rem 1.2rem; font: 600 0.98rem var(--font-body); color: var(--ink-soft); cursor: pointer; display: inline-flex; align-items: center; gap: 0.6rem; }
.walk-tab .num { width: 1.7rem; height: 1.7rem; border-radius: 50%; background: var(--gold-wash); color: var(--gold-deep); display: grid; place-items: center; font-size: 0.85rem; }
.walk-tab[aria-selected="true"] { background: var(--blue-deep); color: #fff; border-color: var(--blue-deep); }
.walk-tab[aria-selected="true"] .num { background: var(--gold-strong); color: #fff; }
.walk-panel { display: grid; gap: 2rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 1.5rem; box-shadow: var(--shadow-s); }
@media (min-width: 860px) { .walk-panel { grid-template-columns: 1fr 1.1fr; padding: 2rem; gap: 3rem; align-items: center; } }
.walk-panel[hidden] { display: none; }
.walk-panel img { border-radius: var(--radius); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.walk-panel h3 { font-size: var(--step-2); }
.checklist { list-style: none; padding: 0; margin: 1rem 0 1.4rem; }
.checklist li { position: relative; padding-left: 2rem; margin-bottom: 0.7rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 0.3rem; width: 1.15rem; height: 1.15rem; border-radius: 5px; border: 2px solid var(--gold); background: var(--gold-wash); }
.no-js .walk-tabs { display: none; }
.no-js .walk-panel[hidden] { display: grid; margin-bottom: 1.5rem; }

.not-list { display: grid; gap: 1.25rem; margin-top: 2rem; }
@media (min-width: 760px) { .not-list { grid-template-columns: repeat(3, 1fr); } }
.not-list > div { border-top: 3px solid var(--gold); padding-top: 1.1rem; }
.not-list h3 { font-size: 1.25rem; }
.not-list p { color: var(--ink-soft); font-size: 0.98rem; margin: 0; }

.band-dark { background: var(--blue-night); color: rgba(255,255,255,0.86); }
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark .eyebrow { color: var(--accent-light); }
.prompt-grid { display: grid; gap: 1rem; margin: 2rem 0; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.prompt-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); padding: 1.3rem 1.4rem; }
.prompt-card p { font-family: var(--font-display); font-size: 1.15rem; line-height: 1.45; color: #fff; margin-bottom: 0.6rem; }
.prompt-card span { font-size: 0.88rem; color: rgba(255,255,255,0.68); }

/* ---------- Question builder ---------- */
.qb-layout { display: grid; gap: 2.5rem; padding-top: 3rem; padding-bottom: 4rem; }
@media (min-width: 1000px) { .qb-layout { grid-template-columns: minmax(0, 1fr) 360px; gap: 3.5rem; } }
.qb-group { margin-bottom: 2.5rem; }
.qb-group h2 { font-size: var(--step-2); scroll-margin-top: 100px; }
.qb-group > p { color: var(--ink-soft); }
.qb-list { list-style: none; padding: 0; margin: 0; }
.qb-item { margin: 0 0 0.6rem; }
.qb-item label { display: flex; gap: 0.9rem; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 0.9rem 1.1rem; cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.qb-item label:hover { border-color: var(--gold); }
.qb-item input { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; accent-color: var(--blue-deep); flex-shrink: 0; }
.qb-item input:checked + span { color: var(--blue-night); font-weight: 600; }
.qb-item:has(input:checked) label { background: var(--blue-wash); border-color: var(--blue); }
.qb-why { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.2rem; }
.qb-panel { align-self: start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 1.5rem; box-shadow: var(--shadow); }
@media (min-width: 1000px) { .qb-panel { position: sticky; top: 100px; } }
.qb-panel h2 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.qb-panel ol { padding-left: 1.3em; margin: 1rem 0; max-height: 40vh; overflow: auto; font-size: 0.95rem; }
.qb-panel ol li { margin-bottom: 0.5rem; }
.qb-panel .qb-remove { border: 0; background: none; color: var(--ink-soft); cursor: pointer; font-size: 0.85rem; margin-left: 0.3rem; text-decoration: underline; }
.qb-empty { color: var(--ink-soft); font-size: 0.95rem; }
.qb-own { display: flex; gap: 0.5rem; margin: 1rem 0; }
.qb-own input { flex: 1; min-width: 0; padding: 0.7rem 0.9rem; border: 1px solid var(--line); border-radius: 999px; font: inherit; font-size: 0.95rem; }
.qb-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.qb-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 1rem; margin-bottom: 0; }
.no-js .qb-panel, .no-js .qb-item input { display: none; }

/* ---------- Timeline explorer ---------- */
.tl-controls { display: grid; gap: 0.75rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 1.4rem 1.5rem; margin: 1.5rem 0 2rem; }
.tl-controls legend { font-weight: 700; color: var(--blue-night); padding: 0; margin-bottom: 0.5rem; font-family: var(--font-display); font-size: 1.2rem; }
.tl-controls fieldset { border: 0; padding: 0; margin: 0; }
.tl-toggle { display: flex; align-items: flex-start; gap: 0.75rem; cursor: pointer; padding: 0.4rem 0; }
.tl-toggle input { width: 1.2rem; height: 1.2rem; margin-top: 0.25rem; accent-color: var(--blue-deep); }
.tl-track { list-style: none; padding: 0; margin: 0; position: relative; }
.tl-track::before { content: ""; position: absolute; left: 1.15rem; top: 0.5rem; bottom: 0.5rem; width: 2px; background: linear-gradient(var(--gold), var(--blue)); }
.tl-phase { position: relative; padding: 0 0 1.6rem 3.6rem; margin: 0; transition: opacity 0.3s; }
.tl-phase::before { content: attr(data-step); position: absolute; left: 0; top: 0; width: 2.35rem; height: 2.35rem; border-radius: 50%; background: #fff; border: 2px solid var(--blue-deep); color: var(--blue-deep); display: grid; place-items: center; font-weight: 700; font-size: 0.9rem; }
.tl-phase[hidden] { display: none; }
.tl-phase.optional::before { border-style: dashed; border-color: var(--gold-deep); color: var(--gold-deep); }
.tl-phase h3 { margin: 0.2rem 0 0.3rem; font-size: 1.2rem; }
.tl-phase .tl-time { display: inline-block; font-size: 0.82rem; font-weight: 600; color: var(--gold-deep); background: var(--gold-wash); border-radius: 999px; padding: 0.15rem 0.7rem; margin-bottom: 0.5rem; }
.tl-phase p { margin-bottom: 0.4rem; color: var(--ink-soft); }
.tl-summary { font-weight: 600; color: var(--blue-night); }

/* ---------- Prep checklist ---------- */
.prep-list { list-style: none; padding: 0; margin: 1rem 0 1.5rem; }
.prep-list li { margin: 0 0 0.5rem; }
.prep-list label { display: flex; gap: 0.8rem; align-items: flex-start; cursor: pointer; padding: 0.75rem 1rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.prep-list input { width: 1.2rem; height: 1.2rem; margin-top: 0.25rem; accent-color: var(--sage); flex-shrink: 0; }
.prep-list li:has(input:checked) label { background: #eef3ef; border-color: var(--sage); }
.prep-list li:has(input:checked) span { text-decoration: line-through; text-decoration-color: rgba(95,122,104,0.6); color: var(--ink-soft); }
.prep-progress { font-weight: 600; color: var(--sage); }

/* ---------- Plain pages (about / contact) ---------- */
.prose { max-width: var(--measure); padding-top: 3rem; padding-bottom: 4rem; }
.prose h2 { font-size: var(--step-2); margin-top: 1.6em; }
.contact-grid { display: grid; gap: 2rem; padding-top: 3rem; padding-bottom: 4rem; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.contact-book { background: var(--blue-deep); color: rgba(255,255,255,0.9); border-radius: var(--radius-l); padding: 2rem; }
.contact-book h2 { color: #fff; }
.contact-book .eyebrow { color: var(--accent-light); }
.contact-book p a { color: #fff; }
.contact-book .btn-primary { background: var(--gold-strong); box-shadow: none; }
.contact-book .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.6); }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 2rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.35rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem 0.9rem; border: 1px solid var(--line-cool); border-radius: var(--radius-s); font: inherit; font-size: 1rem; background: var(--paper); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: 2px solid var(--gold-strong); border-color: var(--gold-strong); }
.form-message { padding: 0.9rem 1rem; border-radius: var(--radius-s); margin-bottom: 1rem; }
.form-success { background: #eef3ef; color: #2f5039; }
.form-error { background: #f8ede8; color: #8a3b23; }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-night); color: rgba(255,255,255,0.72); padding: 4rem 0 1.5rem; font-size: 0.93rem; }
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 3rem; } }
.footer-heading { font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-light); margin-bottom: 0.9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: rgba(255,255,255,0.86); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-logo .logo-word { color: #fff; }
.footer-logo .logo-word span { color: var(--accent-light); }
.footer-brand p { margin-top: 1rem; max-width: 36ch; }
.nowrap { white-space: nowrap; }
.footer-heading-gap { margin-top: 1.75rem; }
.footer-publisher-name { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.5rem; }
.footer-publisher-name a { color: #fff; }
.footer-publisher address { font-style: normal; line-height: 1.6; margin-bottom: 0.5rem; }
.footer-publisher p { margin-bottom: 1rem; }
.btn-footer { display: inline-block; padding: 0.6rem 1.1rem; border-radius: 999px; border: 1px solid var(--accent-light); color: #fff !important; font-size: 0.9rem; }
.btn-footer:hover { background: var(--accent-light); color: var(--blue-night) !important; text-decoration: none !important; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 3rem; padding-top: 1.5rem; font-size: 0.82rem; color: rgba(255,255,255,0.6); }
.footer-bottom a { color: #fff; text-decoration: underline; }
.footer-bottom p { margin-bottom: 0.5rem; }

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Print (question list, checklists) ---------- */
/* ---------- Pathway map (data-pathway) ---------- */
.pathway { padding: clamp(3rem, 6vw, 5rem) 0; }
.pw-steps { list-style: none; margin: 2rem 0 0; padding: 0 0 0.75rem; display: flex; gap: 0; overflow-x: auto; scroll-snap-type: x proximity; scroll-behavior: smooth; position: relative; }
.pw-steps li { flex: 1 0 9.5rem; scroll-snap-align: center; position: relative; }
.pw-steps li::before { content: ""; position: absolute; top: 1.35rem; left: 0; right: 0; height: 3px; background: var(--line); z-index: 0; }
.pw-steps li:first-child::before { left: 50%; }
.pw-steps li:last-child::before { right: 50%; }
.pw-node { position: relative; z-index: 1; width: 100%; background: none; border: 0; padding: 0 0.4rem 0.4rem; display: flex; flex-direction: column; align-items: center; gap: 0.45rem; cursor: pointer; font-family: var(--font-body); color: var(--ink-soft); text-align: center; border-radius: var(--radius-s); }
.pw-num { width: 2.7rem; height: 2.7rem; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 3px solid var(--line); font-weight: 700; color: var(--ink-soft); transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s var(--ease); }
.pw-title { font-weight: 600; font-size: 0.95rem; line-height: 1.25; color: var(--ink); }
.pw-who { font-size: 0.8rem; line-height: 1.3; }
.pw-node:hover .pw-num { border-color: var(--gold); }
.pw-node.is-done .pw-num { background: var(--gold-wash); border-color: var(--gold); color: var(--gold-deep); }
.pw-node[aria-selected="true"] .pw-num { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; transform: scale(1.08); }
.pw-node[aria-selected="true"] .pw-title { color: var(--blue-deep); }
.pw-node:focus-visible { outline: 3px solid var(--gold-strong); outline-offset: 2px; }
.pw-stage { margin-top: 1.25rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(1.4rem, 3vw, 2.4rem); box-shadow: var(--shadow-s); }
.pw-panel h3 { font-size: var(--step-2); margin-bottom: 0.5rem; }
.pw-panel > p { max-width: var(--measure); }
.pw-step { font-size: var(--step--1); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-deep); margin: 0 0 0.4rem; }
.pw-facts { display: grid; gap: 1rem; margin: 1.4rem 0 0; }
@media (min-width: 760px) { .pw-facts { grid-template-columns: repeat(3, 1fr); } }
.pw-facts > div { background: var(--cream); border-radius: var(--radius); padding: 1rem 1.1rem; }
.pw-facts dt { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-deep); margin-bottom: 0.3rem; }
.pw-facts dd { margin: 0; font-size: 0.96rem; line-height: 1.5; }
.pw-more { margin: 1.2rem 0 0; font-weight: 600; }
.pw-controls { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.pw-pos { font-size: 0.9rem; color: var(--ink-soft); }
.pw-controls .btn:disabled { opacity: 0.4; cursor: default; }
.pw-note { margin-top: 1rem; font-size: 0.88rem; color: var(--ink-soft); max-width: var(--measure); }
.no-js .pw-controls, .no-js .pw-steps { display: none; }
.no-js .pw-panel[hidden] { display: block; margin-bottom: 2rem; }
@media print { .pw-steps, .pw-controls { display: none !important; } .pw-panel[hidden] { display: block !important; } }

@media print {
  .sponsor-strip, .site-header, .site-footer, .guide-toc, .related, .series-nav, .sponsor-band, .reading-progress, .qb-actions, .qb-own, .ask-add, .btn { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .guide-hero { background: none; padding: 0; border: 0; }
  .guide-hero-media { display: none; }
  body.printing-list main > *:not(.qb-print) { display: none !important; }
}
.qb-print { display: none; }
@media print { body.printing-list .qb-print { display: block !important; } }
.sponsor-band .eyebrow { font-size: var(--step--1); line-height: 1.4; color: var(--gold-deep); }
.guide-meta a::before { display: inline-block; text-decoration: none; }
.qb-layout > *, .guide-layout > *, .contact-grid > * { min-width: 0; }

/* ---------- Site theme: sites-src/ontariodentalimplants/theme.css ---------- */
/* ontariodentalimplants.ca — "Ontario care navigator": plum + burgundy, Libre
   Baskerville headings, squarer corners. Overrides the base tokens; the token
   names are shared (blue = primary, gold = accent). */
:root {
  --ink: #1f1428;
  --ink-soft: #564b60;
  --blue: #4a2363;
  --blue-deep: #2a1140;
  --blue-night: #1d0b2d;
  --blue-wash: #f1ecf5;
  --cream: #f7f3ee;
  --paper: #fcfaf7;
  --gold: #8e1030;
  --gold-deep: #7a0f2a;
  --gold-wash: #f6e5ea;
  --line: #e7dfe3;
  --line-cool: #e2dbe9;
  --accent-light: #ecbfcb;
  --gold-strong: #8e1030;
  --cream-rgb: 247, 243, 238;
  --gold-rgb: 142, 16, 48;
  --blue-rgb: 42, 17, 64;

  --font-display: "Libre Baskerville", "Libre Baskerville Fallback", Georgia, "Times New Roman", serif;

  --step-3: clamp(1.7rem, 1.45rem + 1.3vw, 2.4rem);
  --step-4: clamp(2.05rem, 1.65rem + 2.2vw, 3.2rem);

  --radius-s: 4px;
  --radius: 8px;
  --radius-l: 12px;
}
h1, h2 { font-weight: 400; letter-spacing: -0.015em; }
h3, .logo-word { font-weight: 700; }
h1 em, h2 em { font-style: italic; color: var(--gold); }
.btn { border-radius: var(--radius-s); }
.walk-tab, .tag { border-radius: var(--radius-s); }
.site-footer { background: var(--blue-night); }
.home-hero { border-bottom: 4px solid var(--gold); }