/* BikesKnowledge light article theme — shared across all article pages */
:root {
  --bg: #f2f3f5;
  --card: #ffffff;
  --ink: #0a0a0a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2643ff;
  --pill: #c8f542;
  --green: #16a34a;
  --red: #dc2626;
  --amber: #d97706;
  --radius: 18px;
  --radius-sm: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  font-family: 'Inter Tight', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  .site-logo-wordmark {
    display: block !important;
    width: clamp(142px, 11vw, 178px) !important;
    max-width: 178px !important;
    min-width: 0 !important;
    height: auto !important;
    max-height: 48px !important;
    object-fit: contain !important;
  }
  .desktop-logo-fixed .site-logo-wordmark {
    width: clamp(150px, 12vw, 190px) !important;
    max-width: 190px !important;
  }
  .mobile-logo .site-logo-wordmark {
    width: 138px !important;
    max-width: 138px !important;
    max-height: 42px !important;
  }

/* ---------- Reading progress ---------- */
.read-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: var(--accent); z-index: 100; transition: width 0.1s linear;
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem 1.25rem;
  background: rgba(242,243,245,0.85); backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand iconify-icon { font-size: 1.5rem; }
.navpill {
  display: flex; align-items: center; gap: 0.25rem;
  background: #0a0a0a; color: #fff;
  border-radius: 999px; padding: 0.35rem;
}
.navpill a {
  padding: 0.5rem 1rem; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; color: #d1d5db;
  transition: background 0.15s, color 0.15s; white-space: nowrap;
}
.navpill a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.navpill a.cta { background: var(--accent); color: #fff; }
@media (max-width: 720px) {
  .navpill a:not(.cta):not(:first-child) { display: none; }
}

/* ---------- Breadcrumb ---------- */
.crumbs {
  max-width: 1200px; margin: 0 auto; padding: 1.1rem 1.25rem 0.25rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem;
  font-size: 0.8rem; color: var(--muted);
}
.crumbs a { color: var(--accent); font-weight: 600; }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { color: #c3c7cf; }
.crumbs .here { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60vw; }

/* ---------- Hero ---------- */
.hero {
  max-width: 1200px; margin: 0 auto; padding: 0.9rem 1.25rem 0;
  display: grid; gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .hero { grid-template-columns: 0.92fr 1.08fr; align-items: stretch; } }
.hero-copy {
  background: var(--card); border-radius: var(--radius);
  padding: 2rem 1.75rem; display: flex; flex-direction: column; gap: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.hero-copy h1 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  font-weight: 700; line-height: 1.12; letter-spacing: -0.02em;
  text-wrap: balance;
}
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem; font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.hero-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #c3c7cf; }
.score-pill {
  display: inline-flex; align-items: baseline; gap: 0.15rem;
  background: var(--pill); border-radius: 999px; padding: 0.3rem 0.8rem;
  font-weight: 800; font-size: 0.95rem; color: #0a0a0a;
}
.score-pill small { font-size: 0.68rem; font-weight: 700; color: #3f4a1e; }
.tldr {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 1.15rem 1.25rem;
}
.tldr-head { display: flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; margin-bottom: 0.7rem; }
.tldr-head iconify-icon { color: var(--accent); font-size: 1rem; }
.tldr ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.tldr li { position: relative; padding-left: 1.05rem; font-size: 0.88rem; color: #374151; }
.tldr li::before { content: ""; position: absolute; left: 0; top: 0.52em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.hero-visual { display: flex; flex-direction: column; gap: 1.1rem; }
.hero-img {
  background: #eef0f4; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16 / 10; flex: 1;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.stat-strip {
  background: var(--card); border-radius: var(--radius);
  padding: 1.1rem 1rem; display: grid; gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.stat-cell { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.stat-cell iconify-icon {
  flex-shrink: 0; font-size: 1.1rem; color: var(--accent);
  border: 1px solid var(--line); border-radius: 50%; padding: 0.45rem;
}
.stat-cell b { display: block; font-size: 0.92rem; font-weight: 800; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-cell span { display: block; font-size: 0.68rem; color: var(--muted); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Layout: sidebar + content ---------- */
.layout {
  max-width: 1200px; margin: 0 auto; padding: 1.1rem 1.25rem 3rem;
  display: grid; gap: 1.1rem; grid-template-columns: 1fr; align-items: start;
}
@media (min-width: 900px) { .layout { grid-template-columns: 250px 1fr; } }

.side { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 1.1rem; }
@media (max-width: 899px) { .side { position: static; } }
.toc-card {
  background: var(--card); border-radius: var(--radius);
  padding: 1.15rem 0.9rem; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.toc-title { font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; color: var(--muted); padding: 0 0.6rem 0.75rem; }
.toc-list {
  list-style: none; display: flex; flex-direction: column; gap: 0.15rem;
  max-height: 55vh; overflow-y: auto; padding-right: 0.25rem;
  scrollbar-width: thin; scrollbar-color: #d6d9de transparent;
}
.toc-list::-webkit-scrollbar { width: 4px; }
.toc-list::-webkit-scrollbar-track { background: transparent; }
.toc-list::-webkit-scrollbar-thumb { background: #d6d9de; border-radius: 999px; }
.toc-list a {
  display: flex; align-items: flex-start; gap: 0.6rem;
  padding: 0.5rem 0.6rem; border-radius: 10px;
  font-size: 0.83rem; font-weight: 600; line-height: 1.35; color: #4b5563;
  transition: background 0.15s, color 0.15s;
}
.toc-list a .n {
  font-size: 0.68rem; font-weight: 700; color: var(--muted);
  width: 1.35rem; height: 1.35rem; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #eef0f3; flex-shrink: 0; margin-top: 0.05rem;
  transition: background 0.15s, color 0.15s;
}
.toc-list a:hover { background: #f2f3f5; }
.toc-list a.active { background: var(--accent); color: #fff; }
.toc-list a.active .n { color: var(--accent); background: #fff; }
.side-actions {
  background: var(--card); border-radius: var(--radius);
  padding: 0.55rem; display: flex; flex-direction: column;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.side-actions button {
  display: flex; align-items: center; gap: 0.6rem;
  border: 0; background: transparent; font: inherit; font-size: 0.85rem; font-weight: 600;
  color: #374151; padding: 0.65rem 0.75rem; border-radius: var(--radius-sm); cursor: pointer;
  transition: background 0.15s;
}
.side-actions button:hover { background: #f2f3f5; }
.side-actions iconify-icon { font-size: 1.05rem; color: var(--muted); }

/* ---------- Article content card ---------- */
.content-card {
  background: var(--card); border-radius: var(--radius);
  padding: clamp(1.4rem, 3.5vw, 2.5rem);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  min-width: 0;
  counter-reset: sec;
}

/* Prose (restyles the original article markup) */
.content-card { font-size: 0.98rem; color: #1f2937; }
.content-card p { margin: 0 0 1.05rem; line-height: 1.7; }
.content-card h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: clamp(1.35rem, 2.4vw, 1.7rem); font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); margin: 2.4rem 0 0.9rem; scroll-margin-top: 90px;
  counter-increment: sec;
}
.content-card h2::before { content: counter(sec) ". "; }
.content-card h2:first-child { margin-top: 0; }
.content-card h3 { font-size: 1.08rem; font-weight: 800; margin: 1.6rem 0 0.6rem; }
.content-card ul, .content-card ol { margin: 0 0 1.05rem 1.25rem; }
.content-card li { margin-bottom: 0.4rem; }
.content-card a { color: var(--accent); font-weight: 600; }
.content-card a:hover { text-decoration: underline; }
.content-card figure { margin: 1.4rem 0; }
.content-card img { border-radius: var(--radius-sm); }
.content-card figcaption { font-size: 0.78rem; color: var(--muted); margin-top: 0.5rem; font-family: ui-monospace, monospace; }
.content-card strong { color: var(--ink); }

/* Disclaimer */
.content-card .disclaimer-alert {
  background: #fffbeb !important; border-left: 4px solid var(--amber) !important;
  border-radius: var(--radius-sm) !important; padding: 1rem 1.25rem !important;
  margin: 0 0 1.75rem !important; font-size: 0.85rem !important; line-height: 1.6 !important;
  color: #78350f !important;
}

/* Callout boxes */
.content-card .article-callout-box {
  display: flex; gap: 0.85rem; align-items: flex-start;
  background: #eef1ff; border: 0; border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem; margin: 1.4rem 0; font-size: 0.9rem; color: #1e2a78;
}
.content-card .callout-icon { flex-shrink: 0; color: var(--accent); }
.content-card .callout-content { min-width: 0; }
.content-card .callout-content p { margin: 0; }

/* Specs dashboard */
.content-card .specs-dashboard-title { margin-top: 2.4rem; }
.content-card .specs-dashboard-grid {
  display: grid; gap: 0.8rem; margin: 1rem 0 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}
.content-card .dashboard-spec-card {
  background: #f8f9fb; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
}
.content-card .dashboard-spec-card * { font-size: 0.85rem; }

/* Tables */
.content-card .table-wrap { overflow-x: auto; margin: 1.4rem 0; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.content-card table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.content-card th {
  text-align: left; background: #f8f9fb; color: var(--muted);
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--line);
}
.content-card td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.content-card tr:last-child td { border-bottom: 0; }

/* Pros / Cons */
.content-card .pros-cons { display: grid; gap: 1rem; grid-template-columns: 1fr; margin: 1.4rem 0; }
@media (min-width: 640px) { .content-card .pros-cons { grid-template-columns: 1fr 1fr; } }
.content-card .pros-box, .content-card .cons-box {
  background: #f8f9fb; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 1.25rem 1.25rem 1rem;
}
.content-card .pros-box { border-top: 3px solid var(--green); }
.content-card .cons-box { border-top: 3px solid var(--red); }
.content-card .pros-box h3, .content-card .cons-box h3 { margin: 0 0 0.7rem; font-size: 0.95rem; }
.content-card .pros-box ul, .content-card .cons-box ul { margin-left: 1.1rem; }
.content-card .pros-box li, .content-card .cons-box li { font-size: 0.88rem; }

/* Verdict */
.content-card .verdict-box {
  background: #0a0a0a; color: #e5e7eb;
  border-radius: var(--radius); padding: 1.75rem; margin: 2.2rem 0;
}
.content-card .verdict-box h3, .content-card .verdict-box strong { color: #fff; }
.content-card .verdict-box a { color: var(--pill); }
.content-card .verdict-box p:last-child { margin-bottom: 0; }

/* FAQ */
.content-card .bk-faq-section { margin-top: 2rem; }
.content-card .faq-item {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  margin-bottom: 0.7rem; background: #fff; overflow: hidden;
}
.content-card .faq-item summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.15rem; font-weight: 700; font-size: 0.92rem;
}
.content-card .faq-item summary::-webkit-details-marker { display: none; }
.content-card .faq-item summary::after {
  content: "+"; font-size: 1.2rem; font-weight: 400; color: var(--muted); flex-shrink: 0;
  transition: transform 0.2s;
}
.content-card .faq-item[open] summary::after { transform: rotate(45deg); }
.content-card .faq-a { padding: 0 1.15rem 1.05rem; font-size: 0.9rem; color: #374151; }
.content-card .faq-a p:last-child { margin-bottom: 0; }

/* ---------- Read next ---------- */
.readnext { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem 3rem; }
.readnext-card {
  background: var(--card); border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem); box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.readnext h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.5rem; font-weight: 700; margin-bottom: 1.25rem;
}
.readnext-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .readnext-grid { grid-template-columns: repeat(3, 1fr); } }
.rn-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: transform 0.18s ease, box-shadow 0.18s ease;
  background: var(--card);
}
.rn-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.rn-media { aspect-ratio: 16 / 9; background: #eef0f4; overflow: hidden; }
.rn-media img { width: 100%; height: 100%; object-fit: cover; }
.rn-body { padding: 1.1rem 1.15rem 1.15rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.rn-kicker { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; }
.rn-titlerow { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; }
.rn-title { font-size: 1.02rem; font-weight: 800; letter-spacing: -0.015em; line-height: 1.3; }
.rn-score {
  flex-shrink: 0; display: inline-flex; align-items: baseline; gap: 0.1rem;
  background: #b9f632; color: #101010; font-weight: 800; font-size: 0.88rem;
  padding: 0.35rem 0.7rem; border-radius: 999px; line-height: 1;
}
.rn-score small { font-size: 0.62rem; font-weight: 700; color: #3d4a12; }
.rn-divider { border-top: 1px solid var(--line); margin-top: auto; }
.rn-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.rn-date { display: inline-flex; align-items: center; gap: 0.35rem; }
.rn-date iconify-icon { font-size: 0.95rem; }
.rn-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.38rem 0.85rem; font-size: 0.75rem; font-weight: 700; color: var(--ink);
  background: var(--card); transition: background 0.15s, border-color 0.15s;
}
.rn-card:hover .rn-btn { background: var(--ink); color: #fff; border-color: var(--ink); }
.rn-btn iconify-icon { font-size: 0.9rem; }

/* ---------- Footer ---------- */
.footer {
  background: #0a0a0a; color: #9ca3af; margin-top: 1rem;
  padding: 2.5rem 1.25rem;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; justify-content: space-between;
  font-size: 0.85rem;
}
.footer .brand { color: #fff; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a:hover { color: #fff; }