/* =============================================
   NOSFERATU-SPINNE.NET – Modernes helles Design
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── DESIGN-TOKENS ── */
:root {
  --bg:         #F7F5F0;
  --white:      #FFFFFF;
  --surface:    #F0EDE7;
  --border:     #E0DBD4;
  --text:       #1C1917;
  --text-m:     #6B6560;
  --text-l:     #A8A29E;

  --green:      #16A34A;
  --green-dk:   #14532D;
  --green-lt:   #DCFCE7;
  --green-bd:   #A7F3D0;

  --amber:      #D97706;
  --amber-lt:   #FFFBEB;
  --amber-bd:   #FDE68A;

  --red:        #DC2626;
  --red-lt:     #FEF2F2;
  --red-bd:     #FECACA;

  --blue:       #1D4ED8;
  --blue-lt:    #EFF6FF;

  --sh-xs: 0 1px 2px rgba(0,0,0,.05);
  --sh-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --sh:    0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.04);
  --sh-md: 0 10px 15px -3px rgba(0,0,0,.07), 0 4px 6px -4px rgba(0,0,0,.04);
  --sh-lg: 0 20px 25px -5px rgba(0,0,0,.07), 0 8px 10px -6px rgba(0,0,0,.04);

  --r:    12px;
  --r-sm: 8px;
  --r-lg: 20px;

  --f: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: .2s ease;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--f); background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
p + p { margin-top: .75rem; }

/* ── LAYOUT ── */
.container   { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section     { padding: 3rem 0; }
.section-sm  { padding: 2rem 0; }

/* ── HEADER / NAV ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--sh-xs);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 1rem; position: relative;
}
.logo {
  font-size: 1.05rem; font-weight: 800; color: var(--text);
  text-decoration: none; white-space: nowrap; flex-shrink: 0;
}
.logo span { color: var(--green); }
.main-nav { display: flex; align-items: center; gap: .15rem; flex-wrap: wrap; }
.main-nav a {
  font-size: .84rem; font-weight: 500; color: var(--text-m);
  text-decoration: none; padding: .35rem .6rem; border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
  white-space: nowrap;
}
.main-nav a:hover { color: var(--green); background: var(--green-lt); }
.main-nav a.active { color: var(--green); background: var(--green-lt); }
.main-nav .nav-cta {
  background: var(--green); color: #fff !important; margin-left: .5rem;
  border-radius: var(--r-sm);
}
.main-nav .nav-cta:hover { background: var(--green-dk); }

/* Hamburger */
.nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; padding: .5rem; margin-right: -.5rem; flex-shrink: 0; }
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block; background: var(--text); height: 2px; width: 22px;
  border-radius: 2px; transition: .3s;
}
.nav-toggle-label span { position: relative; }
.nav-toggle-label span::before { content:''; position: absolute; top: -7px; }
.nav-toggle-label span::after  { content:''; position: absolute; top: 7px; }
.nav-toggle:checked ~ .nav-toggle-label span { background: transparent; }
.nav-toggle:checked ~ .nav-toggle-label span::before { transform: rotate(45deg); top: 0; }
.nav-toggle:checked ~ .nav-toggle-label span::after  { transform: rotate(-45deg); top: 0; }

/* ── BREADCRUMB ── */
.breadcrumb {
  font-size: .8rem; color: var(--text-m);
  display: flex; gap: .4rem; align-items: center; padding: .75rem 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-m); text-decoration: none; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb .sep { color: var(--text-l); }

/* ── HERO (Homepage) ── */
.hero {
  background: linear-gradient(135deg, #F0FDF4 0%, #ECFDF5 50%, #F7FEE7 100%);
  border-bottom: 1px solid var(--green-bd);
  padding: 4.5rem 0;
}
.hero-inner { display: flex; align-items: center; gap: 3.5rem; }
.hero-text  { flex: 1; min-width: 0; }
.hero-image { flex-shrink: 0; }
.hero-image img {
  width: 380px; max-width: 100%;
  display: block;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .375rem;
  background: var(--green-lt); color: var(--green-dk);
  font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  padding: .3rem .85rem; border-radius: 100px;
  border: 1px solid var(--green-bd); margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.85rem);
  font-weight: 800; line-height: 1.18;
  color: var(--text); margin-bottom: 1.125rem;
}
.hero h1 em { color: var(--green); font-style: normal; }
.hero-lead {
  font-size: 1.125rem; color: var(--text-m); max-width: 58ch;
  margin-bottom: 2rem; line-height: 1.7;
}
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ── PAGE HEADER (Subpages) ── */
.page-header {
  background: linear-gradient(135deg, #F0FDF4, #ECFDF5);
  border-bottom: 1px solid var(--green-bd);
  padding: 2.75rem 0;
}
.page-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800; line-height: 1.2; margin-bottom: .625rem;
}
.page-header .lead { font-size: 1.0625rem; color: var(--text-m); max-width: 60ch; line-height: 1.65; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; font-size: .9375rem; line-height: 1;
  padding: .65rem 1.3rem; border-radius: var(--r-sm);
  text-decoration: none; border: 1.5px solid transparent;
  transition: all var(--ease); cursor: pointer; white-space: nowrap;
}
.btn-primary  { background: var(--green); color: #fff; border-color: var(--green); }
.btn-primary:hover  { background: var(--green-dk); border-color: var(--green-dk); }
.btn-secondary { background: #fff; color: var(--green); border-color: var(--green); }
.btn-secondary:hover { background: var(--green-lt); }
.btn-amazon   { background: #FF9900; color: #000; border-color: #FF9900; font-size: .875rem; padding: .55rem 1.1rem; }
.btn-amazon:hover { background: #E68900; border-color: #E68900; color: #000; }
.btn-sm { font-size: .8125rem; padding: .4rem .8rem; }
.btn-danger { background: var(--red); color: #fff; border-color: var(--red); }

/* ── TOPIC TILES ── */
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px,1fr)); gap: 1rem; }
.topic-tile {
  display: flex; flex-direction: column;
  background: var(--white); border-radius: var(--r);
  border: 1px solid var(--border); padding: 1.5rem 1.25rem;
  text-decoration: none; color: var(--text);
  transition: all var(--ease); box-shadow: var(--sh-xs);
}
.topic-tile:hover {
  box-shadow: var(--sh-md); border-color: var(--green-bd);
  transform: translateY(-3px);
}
.tile-icon  { font-size: 2.25rem; margin-bottom: .875rem; }
.tile-title { font-weight: 700; font-size: 1rem; margin-bottom: .3rem; color: var(--text); }
.tile-desc  { font-size: .8125rem; color: var(--text-m); line-height: 1.5; }
.tile-arrow { margin-top: auto; padding-top: .875rem; font-size: .8125rem; color: var(--green); font-weight: 600; }

/* ── PRODUCT CARDS ── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(225px,1fr)); gap: 1.25rem; }
.product-card {
  display: flex; flex-direction: column;
  background: var(--white); border-radius: var(--r);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--sh-sm); transition: all var(--ease);
}
.product-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }

/* Square placeholder image */
.product-img-wrap {
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden; position: relative;
}
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.product-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: .5rem; padding: 1.5rem;
  background: linear-gradient(145deg, #F5F3EF, #ECEAE5);
}
.ph-icon  { font-size: 2.5rem; opacity: .45; }
.ph-amazon {
  background: #FF9900; color: #fff;
  font-size: .65rem; font-weight: 800; letter-spacing: .04em;
  padding: .15rem .45rem; border-radius: 3px; text-transform: uppercase;
}
.ph-label { font-size: .72rem; font-weight: 600; color: var(--text-l); text-transform: uppercase; letter-spacing: .06em; text-align: center; }

.product-body { padding: 1.125rem; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; color: var(--text); }
.product-body p  { font-size: .82rem; color: var(--text-m); margin-bottom: .875rem; line-height: 1.55; }
.product-body .btn-amazon { margin-top: auto; }
.product-badge   { font-size: .7rem; font-weight: 600; padding: .2rem .5rem; border-radius: 4px; display: inline-block; margin-bottom: .5rem; }
.badge-top       { background: #FEF3C7; color: #92400E; }
.badge-new       { background: var(--green-lt); color: var(--green-dk); }
.product-disclosure { font-size: .68rem; color: var(--text-l); margin-top: .625rem; font-style: italic; }

/* ── ARTICLE LAYOUT ── */
.content-sidebar {
  display: grid; grid-template-columns: 1fr 300px;
  gap: 2.5rem; align-items: start;
}
.content-sidebar > * { min-width: 0; }
.sidebar-sticky { display: flex; flex-direction: column; gap: 1.25rem; }
.article-wrap h2 {
  font-size: 1.5rem; font-weight: 700;
  margin: 2.5rem 0 .75rem; padding-top: .25rem; color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.article-wrap h2:first-child { border-top: none; margin-top: 0; padding-top: 0; }
.article-wrap h3 { font-size: 1.125rem; font-weight: 600; margin: 1.75rem 0 .5rem; color: var(--text); }
.article-wrap h4 { font-size: 1rem; font-weight: 600; margin: 1.25rem 0 .375rem; color: var(--text); }
.article-wrap p  { margin-bottom: .8rem; overflow-wrap: break-word; }
.article-wrap ul, .article-wrap ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.article-wrap li { margin-bottom: .4rem; line-height: 1.6; overflow-wrap: break-word; }
.article-wrap a  { color: var(--green); text-underline-offset: 2px; overflow-wrap: break-word; word-break: break-word; }
.article-wrap strong { font-weight: 600; }

/* ── INFO BOXES ── */
.info-box {
  border-radius: var(--r-sm); padding: 1.1rem 1.25rem;
  margin: 1.5rem 0; border-left: 4px solid;
}
.info-box .info-title { font-weight: 700; font-size: .9375rem; margin-bottom: .375rem; }
.info-box p { font-size: .9375rem; margin: 0; }
.info-green { background: var(--green-lt); border-color: var(--green); color: var(--green-dk); }
.info-amber { background: var(--amber-lt); border-color: var(--amber); color: #92400E; }
.info-red   { background: var(--red-lt);   border-color: var(--red);   color: #7F1D1D; }
.info-blue  { background: var(--blue-lt);  border-color: var(--blue);  color: #1E3A8A; }
.info-gray  { background: var(--surface);  border-color: var(--border); color: var(--text-m); }

/* ── KEY FACTS ── */
.key-facts {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(155px,1fr));
  gap: .875rem; margin: 1.5rem 0;
}
.fact-item {
  background: var(--white); border-radius: var(--r-sm);
  border: 1px solid var(--border); padding: 1rem; text-align: center;
}
.fact-value { font-size: 1.625rem; font-weight: 800; color: var(--green); display: block; line-height: 1; }
.fact-label { font-size: .78rem; color: var(--text-m); margin-top: .35rem; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; max-width: 100%; margin: 1.5rem 0; border-radius: var(--r-sm); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { background: var(--surface); font-weight: 600; text-align: left; padding: .7rem .9rem; border-bottom: 2px solid var(--border); }
td { padding: .65rem .9rem; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: #FAFAF8; }

/* ── FAQ ── */
.faq-list { margin: 1.5rem 0; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--r-sm);
  margin-bottom: .5rem; background: var(--white); overflow: hidden;
}
.faq-toggle { display: none; }
.faq-label {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; cursor: pointer;
  font-weight: 600; font-size: .9375rem; user-select: none;
  transition: background var(--ease);
}
.faq-label:hover { background: var(--surface); }
.faq-label::after { content: '+'; font-size: 1.35rem; color: var(--green); flex-shrink: 0; margin-left: 1rem; font-weight: 400; }
.faq-toggle:checked ~ .faq-label::after { content: '−'; }
.faq-body { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-toggle:checked ~ .faq-body { max-height: 600px; }
.faq-body-inner { padding: 0 1.25rem 1rem; font-size: .9375rem; color: var(--text-m); line-height: 1.65; overflow-wrap: break-word; }
.faq-body-inner a { color: var(--green); }

/* ── TOC ── */
.toc {
  background: var(--surface); border-radius: var(--r);
  border: 1px solid var(--border); padding: 1.25rem 1.5rem; margin-bottom: 2rem;
}
.toc-title { font-weight: 700; margin-bottom: .75rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-m); }
.toc ol { padding-left: 1.25rem; margin: 0; }
.toc li { margin-bottom: .3rem; }
.toc a { font-size: .875rem; color: var(--green); text-decoration: none; overflow-wrap: break-word; word-break: break-word; }
.toc a:hover { text-decoration: underline; }

/* ── READ-MORE CARDS ── */
.read-more-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px,1fr)); gap: 1rem; margin: 2rem 0; }
.read-more-card {
  display: flex; align-items: center; gap: .875rem;
  background: var(--white); border-radius: var(--r-sm);
  border: 1px solid var(--border); padding: .875rem 1rem;
  text-decoration: none; color: var(--text);
  transition: all var(--ease); box-shadow: var(--sh-xs);
}
.read-more-card:hover { border-color: var(--green-bd); box-shadow: var(--sh); color: var(--text); }
.card-icon  { font-size: 1.625rem; flex-shrink: 0; }
.card-title { font-weight: 600; font-size: .875rem; color: var(--text); }
.card-sub   { font-size: .75rem; color: var(--text-m); margin-top: .1rem; }

/* ── STEP LIST ── */
.step-list { margin: 1.5rem 0; counter-reset: steps; }
.step-item {
  display: flex; gap: 1rem; margin-bottom: 1.125rem;
  background: var(--white); border-radius: var(--r-sm);
  border: 1px solid var(--border); padding: 1.25rem;
  counter-increment: steps;
}
.step-num {
  flex-shrink: 0; width: 36px; height: 36px;
  background: var(--green); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9375rem; margin-top: .1rem;
}
.step-num::before { content: counter(steps); }
.step-content h4 { font-weight: 600; margin-bottom: .375rem; font-size: 1rem; }
.step-content p  { font-size: .9rem; color: var(--text-m); margin: 0; }

/* ── TAGS ── */
.tag { display: inline-block; font-size: .7rem; font-weight: 600; padding: .2rem .5rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .05em; }
.tag-green { background: var(--green-lt); color: var(--green-dk); }
.tag-amber { background: var(--amber-lt); color: #92400E; }
.tag-red   { background: var(--red-lt); color: #7F1D1D; }
.tag-gray  { background: var(--surface); color: var(--text-m); }

/* ── SIDEBAR WIDGETS ── */
.sidebar-widget {
  background: var(--white); border-radius: var(--r);
  border: 1px solid var(--border); overflow: hidden;
}
.widget-header {
  background: var(--surface); border-bottom: 1px solid var(--border);
  padding: .75rem 1rem; font-weight: 700; font-size: .875rem; color: var(--text-m);
  text-transform: uppercase; letter-spacing: .04em;
}
.widget-body { padding: 1rem; }

/* ── DANGER SCALE ── */
.danger-scale { margin: 1rem 0; }
.danger-label { display: flex; justify-content: space-between; font-size: .8125rem; color: var(--text-m); margin-bottom: .4rem; }
.danger-bar   { height: 10px; border-radius: 100px; background: #E5E7EB; overflow: hidden; }
.danger-fill  { height: 100%; border-radius: 100px; }
.danger-low   { background: linear-gradient(90deg, #22C55E, #86EFAC); width: 25%; }
.danger-med   { background: linear-gradient(90deg, #22C55E, #FBBF24); width: 50%; }
.danger-high  { background: linear-gradient(90deg, #22C55E, #FBBF24, #EF4444); width: 80%; }

/* ── SECTION DIVIDER ── */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* ── SECTION HEADING ── */
.section-heading { margin-bottom: 1.75rem; }
.section-heading h2 { font-size: 1.75rem; font-weight: 700; color: var(--text); }
.section-heading p  { color: var(--text-m); font-size: 1.0625rem; margin-top: .4rem; }

/* ── ALERT/WARNING BANNER ── */
.alert-banner {
  display: flex; gap: .875rem; align-items: flex-start;
  padding: 1rem 1.25rem; border-radius: var(--r-sm);
  margin: 1.5rem 0;
}
.alert-icon   { font-size: 1.5rem; flex-shrink: 0; }
.alert-red    { background: var(--red-lt); border: 1px solid var(--red-bd); }
.alert-amber  { background: var(--amber-lt); border: 1px solid var(--amber-bd); }
.alert-green  { background: var(--green-lt); border: 1px solid var(--green-bd); }
.alert-title  { font-weight: 700; font-size: .9375rem; margin-bottom: .25rem; }
.alert-red .alert-title   { color: var(--red); }
.alert-amber .alert-title { color: var(--amber); }
.alert-green .alert-title { color: var(--green-dk); }
.alert-text   { font-size: .9rem; color: var(--text-m); margin: 0; line-height: 1.6; }

/* ── AFFILIATE DISCLOSURE ── */
.affiliate-disclosure {
  background: var(--amber-lt); border: 1px solid var(--amber-bd);
  border-radius: var(--r-sm); padding: .7rem 1rem;
  font-size: .8125rem; color: #92400E;
  display: flex; gap: .5rem; align-items: flex-start;
  margin-bottom: 2rem;
}
.affiliate-disclosure strong { font-weight: 600; }

/* ── FOOTER ── */
.site-footer { background: #1C1917; color: #D6D3D1; padding: 3rem 0 2rem; margin-top: 4rem; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem; margin-bottom: 2.5rem;
}
.footer-col h4 {
  font-size: .8rem; font-weight: 700; color: #fff;
  margin-bottom: .875rem; text-transform: uppercase; letter-spacing: .07em;
}
.footer-col a { display: block; color: #A8A29E; text-decoration: none; font-size: .875rem; margin-bottom: .4rem; }
.footer-col a:hover { color: #fff; }
.footer-col p { font-size: .825rem; color: #78716C; line-height: 1.65; margin-top: .75rem; }
.footer-logo { font-weight: 800; color: #fff !important; font-size: 1rem; display: inline-block; margin-bottom: .125rem; }
.footer-logo span { color: #4ADE80; }
.footer-bottom {
  border-top: 1px solid #292524; padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .8rem; color: #78716C; flex-wrap: wrap; gap: .5rem;
}
.footer-affiliate-note {
  background: #292524; border-radius: var(--r-sm); padding: .75rem 1rem;
  font-size: .8rem; color: #A8A29E; margin-bottom: 2rem; line-height: 1.6;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .content-sidebar { grid-template-columns: 1fr; }
  .sidebar-sticky { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle-label { display: block; }
  .main-nav {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 1rem 1.5rem;
    gap: .25rem; box-shadow: var(--sh-md); z-index: 99;
  }
  .main-nav a { padding: .6rem .75rem; font-size: .9rem; }
  .main-nav .nav-cta { margin-left: 0; text-align: center; justify-content: center; }
  .nav-toggle:checked ~ nav.main-nav { display: flex; }
  .hero { padding: 2.75rem 0; }
  .hero-inner { flex-direction: column; gap: 2rem; }
  .hero-image img { width: 260px; margin: 0 auto; }
}

@media (max-width: 540px) {
  .container      { padding: 0 1rem; }
  .section        { padding: 2rem 0; }
  .section-sm     { padding: 1.25rem 0; }
  .page-header    { padding: 1.75rem 0; }

  .toc            { padding: .875rem 1rem; }
  .toc a          { font-size: .8125rem; }

  .footer-grid    { grid-template-columns: 1fr; }
  .key-facts      { grid-template-columns: 1fr 1fr; }
  .topic-grid     { grid-template-columns: 1fr 1fr; }
  .read-more-grid { grid-template-columns: 1fr; }
  .product-grid   { grid-template-columns: 1fr; }
  .hero-actions   { flex-direction: column; }
  .btn            { justify-content: center; }

  .alert-banner   { gap: .625rem; padding: .875rem 1rem; }
  .info-box       { padding: .875rem 1rem; }
  .affiliate-disclosure { flex-direction: column; gap: .25rem; }
  .step-item      { gap: .75rem; }
  .widget-body    { padding: .875rem; }
  .faq-label      { padding: .875rem 1rem; font-size: .9rem; }
  .faq-body-inner { padding: 0 1rem .875rem; }
  .table-wrap     { font-size: .8rem; }
  th, td          { padding: .5rem .65rem; }
}

@media (max-width: 400px) {
  .topic-grid     { grid-template-columns: 1fr; }
  .key-facts      { grid-template-columns: 1fr 1fr; }
  .toc            { padding: .75rem .875rem; }
}