/* ============================================================
   Plunge Craft — Core Stylesheet
   Modern, minimalist, mobile-first, dark-mode ready.
   Total size: ~14KB gzipped
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Light mode (default) */
  --bg: #FAFBFC;
  --bg-elev: #FFFFFF;
  --bg-subtle: #F1F4F7;
  --text: #0E1116;
  --text-soft: #475569;
  --text-mute: #64748B;
  --border: #E2E8F0;
  --accent: #0EA5B7;        /* plunge-cyan */
  --accent-deep: #0B7A87;
  --accent-soft: #E0F7FA;
  --warn: #D97706;
  --danger: #DC2626;
  --success: #16A34A;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 32px rgba(15,23,42,0.12);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --maxw: 1180px;
  --maxw-read: 760px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0B0F14;
  --bg-elev: #131820;
  --bg-subtle: #1A2029;
  --text: #E8EDF2;
  --text-soft: #B6C2CF;
  --text-mute: #8B97A5;
  --border: #232B36;
  --accent: #38BFD8;
  --accent-deep: #5DCEEA;
  --accent-soft: #102A33;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-deep); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); text-decoration: underline; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul, ol { padding-left: 1.4rem; }
li { margin-bottom: 0.4rem; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}
.container-narrow {
  width: 100%;
  max-width: var(--maxw-read);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 900;
}
.brand-bar { color: var(--accent); margin: 0 1px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
}
.nav-links a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}
.nav-links a:hover { background: var(--bg-subtle); color: var(--text); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  color: var(--text-soft);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.theme-toggle:hover { background: var(--accent-soft); color: var(--accent); transform: rotate(15deg); }
.theme-toggle svg { width: 18px; height: 18px; }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon, :root:not([data-theme="dark"]) .moon-icon { display: none; }

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: 12px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 12px 14px; border-radius: var(--radius-sm); }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 60px;
  background:
    radial-gradient(1200px 400px at 20% -10%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(800px 500px at 100% 0%, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 50%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 18px;
}
.hero h1 .accent { color: var(--accent-deep); }
.hero-lead {
  font-size: 1.15rem;
  color: var(--text-soft);
  margin-bottom: 28px;
  max-width: 540px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-art {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--accent-deep), var(--accent));
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.25), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.15), transparent 40%);
}
.hero-art-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 30px;
}
.hero-art-temp {
  font-size: 5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.hero-art-temp sup { font-size: 2rem; vertical-align: super; }
.hero-art-label {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.85;
  margin-top: 8px;
}
.hero-art-sub {
  margin-top: 20px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  font-size: 0.85rem;
  backdrop-filter: blur(8px);
}

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 56px 0 40px; }
  .hero-art { max-width: 320px; margin: 0 auto; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.97rem;
  text-decoration: none;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent-deep);
  color: #fff;
}
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-deep); text-decoration: none; }
.btn-ghost {
  background: var(--bg-subtle);
  color: var(--text);
}
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent-deep); text-decoration: none; }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-tight { padding: 40px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-head p { color: var(--text-soft); font-size: 1.05rem; }
.section-head.left { text-align: left; margin-left: 0; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.card h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { color: var(--text-soft); font-size: 0.97rem; margin-bottom: 16px; flex-grow: 1; }
.card-link { font-weight: 600; font-size: 0.93rem; color: var(--accent-deep); }
.card-link:hover { color: var(--accent); }

/* ---------- Article Body ---------- */
.article {
  padding: 48px 0 64px;
}
.article-head { margin-bottom: 36px; max-width: var(--maxw-read); margin-left: auto; margin-right: auto; }
.article-head .breadcrumb {
  font-size: 0.85rem;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.article-head .breadcrumb a { color: var(--text-mute); }
.article-head .breadcrumb a:hover { color: var(--accent-deep); }
.article-head .meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.88rem;
  color: var(--text-mute);
  margin-top: 16px;
  flex-wrap: wrap;
}
.article-head .meta-sep { color: var(--border); }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 6px;
  margin-bottom: 6px;
}
.article h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.article .article-lead {
  font-size: 1.18rem;
  color: var(--text-soft);
  line-height: 1.5;
}
.article-body { font-size: 1.06rem; line-height: 1.75; }
.article-body h2 {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 40px 0 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.article-body h2:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 28px 0 10px;
  letter-spacing: -0.01em;
}
.article-body h4 { font-size: 1.08rem; font-weight: 700; margin: 22px 0 8px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin-bottom: 18px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); font-weight: 700; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 14px 20px;
  margin: 24px 0;
  background: var(--bg-subtle);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-soft);
  font-style: italic;
}
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}
.article-body pre {
  background: var(--bg-subtle);
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 20px 0;
  font-size: 0.92rem;
}
.article-body a { font-weight: 500; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
  display: block;
  overflow-x: auto;
}
.article-body th, .article-body td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.article-body th { background: var(--bg-subtle); font-weight: 700; }
.article-body tr:nth-child(even) td { background: color-mix(in srgb, var(--bg-subtle) 50%, transparent); }

/* ---------- Callouts ---------- */
.callout {
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}
.callout-title {
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.callout.warn { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 8%, var(--bg-elev)); }
.callout.warn .callout-title { color: var(--warn); }
.callout.danger { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--bg-elev)); }
.callout.danger .callout-title { color: var(--danger); }
.callout.success { border-color: var(--success); background: color-mix(in srgb, var(--success) 8%, var(--bg-elev)); }
.callout.success .callout-title { color: var(--success); }

/* ---------- Affiliate Disclosure ---------- */
.affiliate-disclosure {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.88rem;
  color: var(--text-soft);
  margin: 24px 0;
}
.affiliate-disclosure strong { color: var(--text); }

/* ---------- Product Cards (affiliate) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin: 28px 0;
}
.product-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.product-card .product-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.product-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-card p {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-bottom: 14px;
  flex-grow: 1;
}
.product-card .product-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  background: var(--accent-deep);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: background var(--transition);
}
.product-card .product-cta:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* ---------- TOC ---------- */
.toc {
  background: var(--bg-subtle);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 28px 0 36px;
  border: 1px solid var(--border);
}
.toc-title {
  font-weight: 700;
  margin-bottom: 10px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-soft);
}
.toc ol { padding-left: 1.2rem; margin: 0; }
.toc li { margin-bottom: 6px; font-size: 0.94rem; }
.toc a { color: var(--text-soft); }
.toc a:hover { color: var(--accent-deep); }

/* ---------- Stats Strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 40px 0;
}
.stat { text-align: center; }
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent-deep);
  line-height: 1;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text-mute);
  margin-top: 6px;
}

/* ---------- FAQ ---------- */
.faq-list { max-width: var(--maxw-read); margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  padding: 0;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q .chev { transition: transform var(--transition); color: var(--accent); flex-shrink: 0; }
.faq-item[open] .faq-q .chev { transform: rotate(90deg); }
.faq-a {
  margin-top: 12px;
  color: var(--text-soft);
  line-height: 1.7;
}
.faq-a p { margin-bottom: 10px; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  text-align: center;
  margin: 48px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.18), transparent 50%);
}
.cta-banner h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
  position: relative;
}
.cta-banner p { font-size: 1.05rem; opacity: 0.95; margin-bottom: 22px; position: relative; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-banner .btn { background: #fff; color: var(--accent-deep); position: relative; }
.cta-banner .btn:hover { background: var(--bg-subtle); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--text-soft); font-size: 0.92rem; max-width: 320px; }
.footer-col h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-soft); font-size: 0.93rem; }
.footer-col a:hover { color: var(--accent-deep); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-mute);
}
.footer-bottom a { color: var(--text-mute); }
.footer-bottom a:hover { color: var(--accent-deep); }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* ---------- Page Hero (interior) ---------- */
.page-hero {
  padding: 56px 0 36px;
  background:
    radial-gradient(900px 300px at 10% -20%, var(--accent-soft) 0%, transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  max-width: 760px;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--text-soft);
  max-width: 720px;
}

/* ---------- Tools / Calculator ---------- */
.tool-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 32px 0;
  box-shadow: var(--shadow-sm);
}
.tool-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.tool-inputs label { display: block; font-size: 0.88rem; color: var(--text-soft); margin-bottom: 6px; font-weight: 600; }
.tool-inputs input, .tool-inputs select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}
.tool-inputs input:focus, .tool-inputs select:focus { outline: none; border-color: var(--accent); }
.tool-result {
  background: var(--accent-soft);
  padding: 20px;
  border-radius: var(--radius);
  font-size: 1.05rem;
}
.tool-result strong { color: var(--accent-deep); font-size: 1.3rem; }

/* ---------- Misc ---------- */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.divider { height: 1px; background: var(--border); margin: 36px 0; border: 0; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-deep);
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .cta-banner, .affiliate-disclosure, .toc, .nav-toggle, .theme-toggle { display: none !important; }
  body { color: #000; background: #fff; font-size: 11pt; }
  .article-body h2 { page-break-after: avoid; }
  a { color: #000; text-decoration: underline; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--accent-deep);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Reading progress bar ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  z-index: 200;
  transition: width 80ms linear;
  pointer-events: none;
}

/* ---------- Hero patterns & misc illustrations ---------- */
.pattern-dots {
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
}