/* ===== AUTONOMIC DRAMA — DYSAUTONOMIA RESEARCH REGISTRY ===== */
/* Design: faithful to original — white, compact, Georgia serif, hairline borders */

/* ---- TOKENS ---- */
:root {
  --bg:        #ffffff;
  --bg-card:   #ffffff;
  --accent:    #5B3FA6;
  --text:      #1A1A1A;
  --muted:     #6B6B6B;
  --border:    #E8E8E8;
  --max:       760px;
}

/* ---- PARTY MODE ---- */
html.party-mode {
  --bg:      #F2EEFA;
  --bg-card: #F2EEFA;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text);
  background: var(--bg);
  font-size: 17px;
  transition: background 0.25s;
}
a { cursor: pointer; text-decoration: none; color: inherit; }
.article-body-link { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.article-body-link:hover { text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- WRAPPER ---- */
.wrap { max-width: var(--max); margin: 0 auto; }

/* ---- HEADER ---- */
.hdr {
  padding: 2rem 1.5rem 1.25rem;
  text-align: center;
  background: var(--bg);
  transition: background 0.25s;
}

.hdr-logo {
  width: 160px;
  height: auto;
  margin: 0 auto 0.65rem;
  display: block;
}

.hdr-logo-party {
  display: none;
  width: 88px;
  height: 88px;
  border-radius: 14px;
  margin: 0 auto 0.65rem;
  object-fit: contain;
}

html.party-mode .hdr-logo { display: none; }
html.party-mode .hdr-logo-party { display: block; }

/* ---- DIVIDERS ---- */
hr.div { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ---- NAV ---- */
.nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0.85rem 1.5rem;
  flex-wrap: wrap;
  position: relative;
  background: var(--bg);
  transition: background 0.25s;
}

.nav a {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav a.active {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.nav a:hover { color: var(--accent); }

/* About dropdown */
.nav-drop { position: relative; display: flex; align-items: center; }
.nav-drop-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 120px;
  z-index: 300;
  padding: 0.75rem 0 0.35rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}
.nav-drop-menu a {
  display: block;
  padding: 0.45rem 1rem;
  white-space: nowrap;
  color: var(--muted);
}
.nav-drop-menu a:hover { color: var(--accent); }
.nav-drop.open .nav-drop-menu { display: block; }
@media (hover: hover) { .nav-drop:hover .nav-drop-menu { display: block; } }

/* Party mode toggle */
#party-mode-btn {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.25rem 0.85rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--muted);
  line-height: 1.6;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
}

#party-mode-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#party-mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---- INTRO / HERO ---- */
.intro {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  background: var(--bg);
  transition: background 0.25s;
}

.intro p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 460px;
  margin: 0 auto 1.5rem;
  line-height: 1.75;
}

/* ---- EMAIL OPTIN ---- */
.optin {
  display: flex;
  max-width: 420px;
  margin: 0 auto 1.25rem;
  border: 1px solid var(--text);
}

.optin input {
  flex: 1;
  border: none;
  padding: 0.6rem 1rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.82rem;
  background: var(--bg-card);
  color: var(--text);
  outline: none;
  transition: background 0.25s;
}

.optin input::placeholder { color: #aaa; }

.optin button {
  background: var(--text);
  color: #fff;
  border: none;
  padding: 0.6rem 1.1rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
}

.optin button:hover { background: var(--accent); }

/* ---- SECTION LABEL ---- */
.section-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 1.5rem 1.5rem 0.75rem;
}

/* ---- FEATURED GRID ---- */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin: 0 1.5rem;
}

.feat-card {
  background: var(--bg-card);
  padding: 1.25rem;
  text-decoration: none;
  display: block;
  transition: background 0.25s;
}

.feat-card:hover .feat-title { color: var(--accent); }

.feat-tag {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.feat-title {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.feat-exc {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ---- ARTICLE FEED ---- */
.feed-section { padding: 0 1.5rem 2rem; }

.post-row {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.post-row:first-child { border-top: 1px solid var(--border); }

.cat-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
  vertical-align: middle;
}

.cat-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.post-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0.4rem 0 0.45rem;
  color: var(--text);
  transition: color 0.15s;
}

.post-title:hover { color: var(--accent); }

.post-exc {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0.65rem;
}

.more-btn {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 1px;
  display: inline-block;
  transition: color 0.15s, border-color 0.15s;
}

.more-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ---- ARCHIVE / RESEARCH INDEX ---- */
.arch-hdr { padding: 1.75rem 1.5rem 0.5rem; }

.arch-hdr h2 {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.arch-hdr p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

.search-wrap { padding: 0.75rem 1.5rem 0; }

.search-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.88rem;
  color: var(--text);
  outline: none;
  background: transparent;
}

.search-input::placeholder { color: #aaa; }
.search-input:focus { border-bottom-color: var(--accent); }

.search-count {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--muted);
  padding: 0.4rem 1.5rem 0;
}

.cat-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem 1rem;
}

.cpill {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.75rem;
  border: 1px solid #ddd;
  color: var(--muted);
  cursor: pointer;
  background: none;
  transition: all 0.15s;
}

.cpill.on { background: var(--text); color: #fff; border-color: var(--text); }
.cpill:hover { border-color: var(--accent); color: var(--accent); }

.no-results {
  padding: 2rem 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- ARTICLE SINGLE ---- */
.single {
  padding: 2rem 1.5rem 3rem;
  max-width: 640px;
  background: var(--bg);
  transition: background 0.25s;
}

.back-btn {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.back-btn:hover { color: var(--accent); }

.s-cat {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.single h1 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.75rem;
}

.single-body { font-size: 0.97rem; line-height: 1.82; }
.single-body p { margin-bottom: 1.1rem; }

.single-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 0.6rem;
  line-height: 1.3;
}

.single-body a {
  color: var(--accent);
  border-bottom: 1px dotted var(--accent);
}

.single-body a:hover { opacity: 0.75; }

/* Source block */
.src-block {
  margin-top: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
}

.src-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.src-author {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.src-journal {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0.65rem;
}

.src-link {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.src-link:hover { opacity: 0.7; }

/* Reading progress bar */
#reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ---- SIMPLE PAGES (about, contact) ---- */
.page-body {
  padding: 2rem 1.5rem 3rem;
  max-width: 580px;
}

.page-body h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.page-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 2rem 0 0.6rem;
}

.page-body p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-body a { color: var(--accent); border-bottom: 1px solid var(--accent); }

.page-body label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.35rem;
  margin-top: 1rem;
}

.page-body input,
.page-body textarea {
  width: 100%;
  border: 1px solid #ddd;
  padding: 0.6rem 0.85rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
  resize: vertical;
  background: var(--bg-card);
  transition: background 0.25s;
}

.page-body textarea { height: 110px; }
.page-body input:focus,
.page-body textarea:focus { border-color: var(--accent); }

.submit-btn {
  margin-top: 1.25rem;
  background: var(--text);
  color: #fff;
  border: none;
  padding: 0.65rem 1.5rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.submit-btn:hover { background: var(--accent); }

/* ---- FOOTER ---- */
.ftr {
  padding: 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.ftr p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  color: var(--muted);
}

.ftr a { color: var(--accent); }

/* ---- BREADCRUMB ---- */
.breadcrumb {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.68rem;
  color: var(--muted);
  padding: 1rem 1.5rem 0;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* ---- HAMBURGER (mobile only) ---- */
.nav-ham {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--muted);
  padding: 0.2rem 0.4rem;
  margin-right: auto;
}
.nav-mob {
  display: none;
  flex-direction: column;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0 0.75rem;
  transition: background 0.25s;
}
.nav-mob.open { display: flex; }
.nav-mob a {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.55rem 1.5rem;
}
.nav-mob a:hover, .nav-mob a.active { color: var(--accent); }
.nav-mob a.active { border-bottom: none; }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .featured-grid { grid-template-columns: 1fr; }
  .nav > a, .nav > .nav-drop { display: none; }
  .nav-ham { display: block; }
  #party-mode-btn { position: static; transform: none; margin-left: 0; }
  .nav { justify-content: flex-start; gap: 0; padding: 0.5rem 1rem; }
}

/* ---- ARTICLE LAYOUT (fixed sidebars) ---- */
.sidebar-left,
.sidebar-right {
  position: fixed;
  top: 14rem;
  width: 210px;
  max-height: calc(100vh - 15.5rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 20;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.sidebar-left  { right: calc(50% + 406px); }
.sidebar-right { left:  calc(50% + 406px); }

@media (max-width: 1260px) { .sidebar-left  { display: none; } }
@media (max-width: 1020px) { .sidebar-right { display: none; } }

/* ---- TOC CARD ---- */
.toc-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.toc-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.toc-item {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  padding: 0.3rem 0;
  text-decoration: none;
  cursor: pointer;
}

.toc-brain {
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 1px;
  filter: grayscale(1) opacity(0.3);
  transition: filter 0.2s;
  line-height: 1;
}

.toc-item.active .toc-brain {
  filter: sepia(1) saturate(8) hue-rotate(220deg) brightness(0.65);
}

.toc-text {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--muted);
  transition: color 0.2s;
}

.toc-item.active .toc-text {
  color: var(--accent);
  font-weight: 600;
}

.toc-item:hover .toc-text { color: var(--accent); }

/* ---- RELATED ARTICLES CARD ---- */
.related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.related-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.related-item {
  display: block;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.7rem;
  line-height: 1.45;
  color: var(--text);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
  text-decoration: none;
}

.related-item:last-child { border-bottom: none; }
.related-item:hover { color: var(--accent); }

/* ---- INLINE SUBSCRIBE BLOCK ---- */
.subscribe-inline {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  text-align: center;
  background: var(--bg);
}

.subscribe-inline p {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.sub-row {
  display: flex;
  max-width: 380px;
  margin: 0 auto;
  border: 1px solid var(--text);
}

.sub-input {
  flex: 1;
  border: none;
  padding: 0.55rem 0.9rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  background: transparent;
  outline: none;
  color: var(--text);
}

.sub-btn {
  background: var(--text);
  color: #fff;
  border: none;
  padding: 0.55rem 1rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
}

/* ---- BOTTOM RECOMMENDATIONS ---- */
.more-articles {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.more-articles-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.more-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.more-article-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-decoration: none;
  transition: border-color 0.15s;
}

.more-article-card:hover { border-color: var(--accent); }

.more-article-cat {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.more-article-title {
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--text);
}

@media (max-width: 560px) { .more-articles-grid { grid-template-columns: 1fr; } }

/* ---- PRODUCT PAGES ---- */
.product-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}
.product-img { max-width: 250px; height: auto; border-radius: 8px; display: block; }
.buy-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 0.7rem 1.6rem;
  border-radius: 6px;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none !important;
  transition: opacity 0.15s;
}
.buy-btn:hover { opacity: 0.85; }
.affiliate-notice {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.65rem;
  color: var(--muted);
  margin: 0;
  font-style: italic;
}

/* ---- RESOURCES INDEX ---- */
.resources-disclosure {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 2rem;
  line-height: 1.5;
}
.resource-category { margin-bottom: 2.5rem; }
.resource-category-label {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.resource-card {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.15s;
  background: var(--bg-card);
}
.resource-card:hover { border-color: var(--accent); }
/* Anchor the image link as first flex child — prevents Safari reflow bug with lazy-loaded aspect-ratio images */
.resource-card > a {
  display: block;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  width: 100%;
}
.resource-card-img {
  width: 100%;
  height: 180px; /* explicit height — replaces aspect-ratio:1 which Safari mishandles with lazy loading */
  object-fit: contain;
  padding: 0.75rem;
  background: #fafafa;
  display: block;
}
.resource-card-body {
  padding: 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.resource-card-title {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--text);
}
.resource-card-desc {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.66rem;
  color: var(--muted);
  line-height: 1.4;
  flex: 1;
}
.resource-card-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.4rem;
  flex-wrap: wrap;
}
.resource-card-read {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.resource-card-buy {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
@media (max-width: 560px) { .resource-grid { grid-template-columns: repeat(2, 1fr); } }

.sub-btn:hover { background: var(--accent); }

/* ---- HOMEPAGE TOOLS PREVIEW ---- */
.home-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0 1.5rem;
}
.home-tool-card {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  transition: border-color 0.15s;
}
.home-tool-card:hover { border-color: var(--accent); }
.home-tool-card > a { display: block; -webkit-flex-shrink: 0; flex-shrink: 0; }
.home-tool-img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  padding: 0.6rem;
  background: #fafafa;
  display: block;
}
.home-tool-body {
  padding: 0.6rem 0.75rem 0.75rem;
  flex: 1;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}
.home-tool-cat {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.home-tool-title {
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--text);
  flex: 1;
}
.home-tool-actions {
  display: -webkit-flex;
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}
.home-tool-read {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.home-tool-buy {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
@media (max-width: 640px) {
  .home-tools-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; margin: 0 1rem; }
  .home-tool-img { height: 100px; }
  .home-tool-title { font-size: 0.72rem; }
}

/* ---- Logo wiggle (party mode) ---- */
@keyframes logo-wiggle {
  0%   { transform: rotate(0deg) scale(1); }
  12%  { transform: rotate(-12deg) scale(1.08); }
  24%  { transform: rotate(11deg) scale(1.08); }
  38%  { transform: rotate(-8deg) scale(1.04); }
  52%  { transform: rotate(6deg) scale(1.03); }
  66%  { transform: rotate(-3deg) scale(1.01); }
  80%  { transform: rotate(2deg) scale(1.01); }
  100% { transform: rotate(0deg) scale(1); }
}
.hdr-logo-party.wiggling {
  -webkit-animation: logo-wiggle 0.75s ease-in-out;
  animation: logo-wiggle 0.75s ease-in-out;
  transform-origin: center bottom;
}

/* ---- Cursor trail dots ---- */
.cursor-dot {
  position: fixed;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0.85;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ---- Reading progress bar ---- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 1000;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ---- Scroll-to-top button ---- */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s, transform 0.25s;
  z-index: 500;
  box-shadow: 0 2px 10px rgba(91,63,166,0.25);
}
.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
}
.scroll-top-btn:hover {
  background: #4a3090;
}

/* ---- TOC item transition ---- */
.toc-item {
  transition: color 0.2s ease, border-color 0.2s ease;
}