:root {
  --teal-50:  #eef9f7;
  --teal-100: #d3efe9;
  --teal-300: #6cc7b6;
  --teal-500: #1f8c79;
  --teal-700: #155f52;
  --teal-900: #0a3a32;
  --sand-50:  #faf6ef;
  --sand-100: #f1e9d9;
  --sand-200: #e3d4b6;
  --ink-900:  #1a221f;
  --ink-700:  #364541;
  --ink-500:  #5a6c66;
  --ink-300:  #8a9994;
  --line:     #e5ddcb;
  --warn:     #b85b1e;
  --maxw:     1180px;
  --radius:   10px;
  --shadow:   0 1px 0 rgba(0,0,0,.04), 0 6px 18px rgba(20,40,35,.05);
  --shadow-lg: 0 2px 4px rgba(0,0,0,.04), 0 12px 28px rgba(20,40,35,.09);
  --measure:  68ch;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Source Sans 3', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-900);
  background: var(--sand-50);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-700); text-decoration: none; transition: color .12s ease; }
a:hover { color: var(--teal-900); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--teal-500); outline-offset: 2px; border-radius: 3px; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--ink-900);
  margin: 0 0 .55em;
  line-height: 1.2;
}
h1 { font-size: clamp(1.85rem, 1.4rem + 1.6vw, 2.4rem); line-height: 1.15; letter-spacing: -0.018em; }
h2 { font-size: clamp(1.35rem, 1.18rem + .55vw, 1.6rem); margin-top: 1.2em; }
h3 { font-size: 1.12rem; margin-top: 1em; }
h4 { font-size: 1rem; }
p { margin: 0 0 1.05em; max-width: var(--measure); }
.content p, .manual p, .about-block p { max-width: var(--measure); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ─── Header ──────────────────────────────────────────────────────────── */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 30;
}
.header-row {
  display: flex; align-items: center; gap: 24px;
  padding: 14px 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; color: var(--ink-900);
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; color: var(--teal-700); }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand-name {
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
  letter-spacing: -0.015em;
  font-weight: 700;
}
.brand-name em {
  font-style: normal;
  color: var(--teal-700);
}
.search { flex: 1; display: flex; gap: 8px; max-width: 640px; margin-left: auto; }
.search input {
  flex: 1; padding: 10px 14px; min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand-50);
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink-900);
}
.search input:focus { outline: 2px solid var(--teal-300); outline-offset: 1px; background: #fff; }
.search button {
  padding: 10px 18px;
  background: var(--teal-700);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  transition: background .12s ease;
  white-space: nowrap;
}
.search button:hover { background: var(--teal-900); }
.search.big { max-width: 720px; margin: 18px 0 8px; }
.search.big input { padding: 14px 18px; font-size: 1.05rem; }
.search.big button { padding: 14px 22px; }

.primary-nav {
  background: var(--teal-900);
  color: #fff;
}
.nav-inner {
  display: flex; gap: 4px; flex-wrap: wrap;
  padding: 6px 24px;
}
.primary-nav a {
  color: var(--sand-100); font-size: .94rem; font-weight: 500;
  padding: 8px 12px; border-radius: 6px;
  transition: background .12s ease, color .12s ease;
}
.primary-nav a:hover { color: #fff; text-decoration: none; background: rgba(255,255,255,.08); }

/* ─── Breadcrumbs ─────────────────────────────────────────────────────── */
.breadcrumbs {
  padding: 16px 24px 0;
  font-size: .9rem;
  color: var(--ink-500);
  line-height: 1.5;
}
.breadcrumbs a { color: var(--teal-700); }
.breadcrumbs .sep { margin: 0 8px; color: var(--ink-300); }
.breadcrumbs [aria-current="page"] { color: var(--ink-700); font-weight: 500; }

.main { padding: 24px; padding-bottom: 64px; }
.page-head { margin-bottom: 32px; }
.lede { font-size: 1.1rem; color: var(--ink-700); max-width: 65ch; line-height: 1.55; }

/* ─── Hero ────────────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
  background:
    radial-gradient(circle at 85% 15%, var(--teal-50) 0%, transparent 55%),
    linear-gradient(135deg, #fff 0%, var(--sand-50) 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 40px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-lg);
}
.hero h1 {
  font-size: clamp(2rem, 1.5rem + 2vw, 2.6rem);
  margin-bottom: .35em;
}
.hero .lede { font-size: 1.13rem; max-width: 52ch; margin-bottom: 1.2em; }
.hero-meta { color: var(--ink-500); font-size: .92rem; margin-top: 6px; }
.hero-art img { border-radius: 14px; box-shadow: var(--shadow); }
.hero-quick {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 16px 0 4px;
}
.hero-quick a {
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 99px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--teal-700);
  transition: border-color .12s ease, background .12s ease;
}
.hero-quick a:hover { border-color: var(--teal-300); background: var(--teal-50); text-decoration: none; }
@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding: 28px 22px; gap: 24px; }
  .hero-art { order: -1; max-width: 280px; margin: 0 auto; }
}

/* ─── Cards ───────────────────────────────────────────────────────────── */
.cat-grid { margin: 40px 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 20px 18px;
  color: var(--ink-900);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal-300);
  text-decoration: none;
}
.card h3 { color: var(--teal-700); margin: 0 0 6px; }
.card p { color: var(--ink-700); font-size: .95rem; margin-bottom: 12px; max-width: none; }
.pill {
  display: inline-block;
  background: var(--teal-50);
  color: var(--teal-700);
  border: 1px solid var(--teal-100);
  padding: 2px 10px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 600;
}

/* ─── Brand pills ─────────────────────────────────────────────────────── */
.brand-strip { margin: 40px 0; }
.brand-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.brand-pill {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 99px;
  color: var(--ink-900);
  font-weight: 600;
  font-size: .94rem;
  transition: border-color .12s ease, background .12s ease, transform .12s ease;
}
.brand-pill span {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  background: var(--teal-50);
  color: var(--teal-700);
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
}
.brand-pill:hover { border-color: var(--teal-300); background: #fff; transform: translateY(-1px); text-decoration: none; }

/* ─── Manual list ─────────────────────────────────────────────────────── */
.featured { margin: 44px 0; }
.manual-list {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}
.manual-list a {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  padding: 14px 16px;
  border-radius: var(--radius);
  color: var(--ink-900);
  min-height: 44px;
  transition: border-color .12s ease, transform .12s ease, box-shadow .12s ease;
}
.manual-list a:hover {
  border-color: var(--teal-300);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.manual-list strong { display: block; font-size: 1rem; color: var(--ink-900); }
.manual-list span { display: block; font-size: .85rem; color: var(--ink-500); margin-top: 2px; }

.about-block {
  margin: 36px 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.about-block p { max-width: var(--measure); }

/* ─── Sibling category strip ──────────────────────────────────────────── */
.sibling-cats {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 28px 0;
}
.sibling-cats a {
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 99px;
  color: var(--ink-900);
  font-weight: 500;
  font-size: .92rem;
  transition: border-color .12s ease, background .12s ease;
}
.sibling-cats a:hover { border-color: var(--teal-300); background: var(--teal-50); text-decoration: none; }
.sibling-cats a span { color: var(--ink-500); font-size: .82rem; margin-left: 6px; font-weight: 400; }

/* ─── Footer ──────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--teal-900);
  color: var(--sand-100);
  margin-top: 56px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 44px 24px 24px;
}
.footer-grid h3, .footer-grid h4 { color: #fff; }
.footer-grid h3 { font-size: 1.2rem; }
.footer-grid h4 { font-size: .92rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; font-size: .94rem; }
.footer-grid a { color: var(--sand-100); }
.footer-grid a:hover { color: #fff; }
.footer-grid p { color: var(--sand-100); max-width: 40ch; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 24px 32px;
  font-size: .85rem;
  color: var(--teal-300);
}
.footer-bottom p { max-width: none; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ─── Brand index alphabet ────────────────────────────────────────────── */
.alpha-jump {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 28px;
}
.alpha-jump a {
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 6px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--teal-700);
  min-width: 36px;
  text-align: center;
  transition: background .12s ease, border-color .12s ease;
}
.alpha-jump a:hover { background: var(--teal-50); border-color: var(--teal-300); text-decoration: none; }
.brand-index section { margin-bottom: 32px; }
.brand-index h2 {
  font-size: 1.15rem;
  color: var(--teal-700);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}
.brand-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.brand-grid a {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  padding: 14px 16px;
  border-radius: var(--radius);
  color: var(--ink-900);
  min-height: 44px;
  transition: border-color .12s ease, transform .12s ease;
}
.brand-grid a:hover { border-color: var(--teal-300); text-decoration: none; transform: translateY(-1px); }
.brand-grid strong { display: block; }
.brand-grid span { display: block; font-size: .82rem; color: var(--ink-500); margin-top: 2px; }

/* ─── Brand / category page layout ────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 36px;
}
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }
.content > section { margin-bottom: 32px; }
.cat-block h2 {
  font-size: 1.22rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 14px;
}
.cat-block h2 a { color: var(--teal-700); }
.model-list {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.model-list a {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  padding: 14px 16px;
  border-radius: var(--radius);
  color: var(--ink-900);
  min-height: 44px;
  transition: border-color .12s ease, transform .12s ease, box-shadow .12s ease;
}
.model-list a:hover {
  border-color: var(--teal-300); text-decoration: none;
  transform: translateY(-1px); box-shadow: var(--shadow);
}
.model-list strong { display: block; font-size: 1rem; }
.model-list span { display: block; font-size: .82rem; color: var(--ink-500); margin-top: 2px; }
.model-list em { display: block; font-style: normal; font-size: .82rem; color: var(--teal-700); margin-top: 4px; }

.sidebar { display: flex; flex-direction: column; gap: 16px; }
.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.side-card h3 { font-size: 1rem; margin: 0 0 12px; color: var(--teal-700); }
.stats { list-style: none; padding: 0; margin: 0; }
.stats li { font-size: .94rem; color: var(--ink-700); padding: 6px 0; border-bottom: 1px dashed var(--line); }
.stats li:last-child { border-bottom: 0; }
.stats strong { color: var(--ink-900); margin-right: 6px; font-size: 1.05rem; }
.side-links { list-style: none; padding: 0; margin: 0; }
.side-links li { padding: 6px 0; font-size: .94rem; border-bottom: 1px dashed var(--line); }
.side-links li:last-child { border-bottom: 0; }
.side-links a { display: block; min-height: 24px; }
.side-links a:hover { color: var(--teal-900); }
.side-links a strong { display: block; }
.side-links a span { display: block; font-size: .8rem; color: var(--ink-500); margin-top: 1px; }

/* ─── Manual page ─────────────────────────────────────────────────────── */
.manual-head { margin-bottom: 28px; }
.kicker { font-size: .92rem; color: var(--ink-500); margin-bottom: 6px; }
.kicker a { color: var(--teal-700); font-weight: 600; }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 20px 0 0;
  padding: 0;
  overflow: hidden;
}
.spec-grid > div {
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.spec-grid dt {
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-500);
  margin-bottom: 4px;
  font-weight: 600;
}
.spec-grid dd { margin: 0; font-weight: 600; color: var(--ink-900); }

.toc {
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 28px;
  font-size: .92rem;
  color: var(--ink-700);
  line-height: 1.85;
}
.toc strong { color: var(--ink-900); margin-right: 8px; }
.toc a { color: var(--teal-700); }

.manual section { margin-bottom: 26px; }
.manual h2 {
  font-size: 1.32rem;
  color: var(--ink-900);
  border-left: 3px solid var(--teal-500);
  padding-left: 14px;
}
.manual h3 { color: var(--teal-700); }

.feature-list { padding-left: 22px; margin: 8px 0 0; }
.feature-list li { margin: 6px 0; }

/* ─── Mobile (≤ 600px / 375px target) ─────────────────────────────────── */
@media (max-width: 600px) {
  body { font-size: 16px; line-height: 1.6; }
  .container { padding: 0 16px; }
  .main { padding: 16px; padding-bottom: 48px; }
  .header-row { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .brand { font-size: 1rem; }
  .brand-name { font-size: 1.15rem; }
  .search { order: 3; flex-basis: 100%; max-width: none; margin-left: 0; }
  .nav-inner { padding: 4px 16px; gap: 0; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .primary-nav a { padding: 8px 10px; white-space: nowrap; flex-shrink: 0; }
  .breadcrumbs { padding: 14px 16px 0; font-size: .85rem; }
  .breadcrumbs .sep { margin: 0 6px; }
  .hero { padding: 24px 18px; gap: 20px; border-radius: 14px; }
  .hero h1 { font-size: 1.7rem; }
  .hero .lede { font-size: 1rem; }
  .hero-art { max-width: 220px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
  .lede { font-size: 1rem; }
  .cards, .brand-grid, .model-list, .manual-list { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding: 32px 16px 16px; gap: 24px; }
  .about-block { padding: 20px; }
  .side-card { padding: 16px; }
  .alpha-jump a { padding: 8px 10px; min-width: 40px; }
}