/* Pristine Material Handling — site styles */

:root {
  --ink: #14171a;
  --ink-2: #3a4046;
  --grey: #6b7280;
  --grey-2: #9aa3ab;
  --line: #e5e8eb;
  --bg: #ffffff;
  --bg-soft: #f5f6f7;
  --accent: #f07000;
  --accent-dark: #d45f00;
  --accent-soft: #fdf1e6;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 23, 26, 0.08);
  --font-head: "Chakra Petch", "Avenir Next", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .logo-word, .stat-num, .model-code {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(34px, 4.6vw, 52px); font-weight: 700; }
h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.lead { font-size: 18px; color: var(--grey); max-width: 640px; }

.section { padding: 84px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { margin-bottom: 44px; }
.section-head .lead { margin-top: 12px; }
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); }

.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #000; }

.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }

.btn-ghost-light { border-color: #fff; color: #fff; background: transparent; }
.btn-ghost-light:hover { background: #fff; color: var(--ink); }

.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 8px; }

.arrow-link {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.arrow-link::after { content: "→"; color: var(--accent); transition: transform 0.15s ease; }
.arrow-link:hover::after { transform: translateX(4px); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-in {
  display: flex;
  align-items: center;
  gap: 34px;
  height: 78px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 46px; width: auto; }
.logo { gap: 0; }
.logo-word { display: flex; flex-direction: column; line-height: 1; }
.logo-word .logo-name { font-size: 21px; font-weight: 700; letter-spacing: 0.01em; }
.logo-word .logo-sub {
  font-family: var(--font-head);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--grey);
  margin-top: 4px;
}

.site-nav { margin-left: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav > li > a {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease;
}
.nav > li > a:hover { color: var(--ink); }
.nav > li > a.active { color: var(--ink); border-bottom-color: var(--accent); }

.has-drop { position: relative; }
.has-drop > a::after { content: " ▾"; font-size: 11px; color: var(--grey-2); }
.drop {
  position: absolute;
  top: calc(100% + 10px);
  left: -14px;
  min-width: 224px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  list-style: none;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}
.has-drop:hover .drop,
.has-drop:focus-within .drop { opacity: 1; visibility: visible; transform: translateY(0); }
.drop a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
}
.drop a:hover { background: var(--bg-soft); color: var(--ink); }
.drop .drop-all { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px; font-weight: 600; }
.drop .drop-all:hover { color: var(--accent); background: none; }

.header-cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  background:
    repeating-linear-gradient(-45deg, rgba(20, 23, 26, 0.022) 0 2px, transparent 2px 26px),
    var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.hero-in {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 84px 0 72px;
}
.hero h1 { margin-bottom: 18px; }
.hero .lead { margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-points {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  list-style: none;
  color: var(--grey);
  font-size: 14px;
  font-weight: 500;
}
.hero-points li::before { content: "■ "; color: var(--accent); font-size: 9px; vertical-align: 2px; }
.hero-art { padding: 10px; }

/* Page hero (inner pages) */
.page-hero {
  background:
    repeating-linear-gradient(-45deg, rgba(20, 23, 26, 0.022) 0 2px, transparent 2px 26px),
    var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 58px 0;
}
.page-hero h1 { margin: 10px 0 14px; }
.breadcrumbs { font-size: 13.5px; color: var(--grey); }
.breadcrumbs a { color: var(--grey); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span { margin: 0 8px; color: var(--grey-2); }

/* ---------- Category tiles ---------- */

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.cat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.cat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.cat-card .cat-art {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 18px 14px;
  margin-bottom: 16px;
}
.cat-card h3 { font-size: 19px; }
.cat-card .cat-meta { font-size: 13.5px; color: var(--grey); margin-bottom: 12px; }
.cat-card .arrow-link { margin-top: auto; font-size: 14px; }

/* ---------- Feature blocks ---------- */

.feature {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.feature .f-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.feature h3 { margin-bottom: 8px; font-size: 18px; }
.feature p { font-size: 14.5px; color: var(--grey); }

/* ---------- Stats band ---------- */

.stats-band { background: var(--ink); color: #fff; padding: 54px 0; }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.stat-num { font-size: 40px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 14px; color: var(--grey-2); margin-top: 6px; }

/* ---------- CTA band ---------- */

.cta-band { background: var(--ink); color: #fff; }
.cta-in {
  padding: 72px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-in h2 { max-width: 560px; }
.cta-in p { color: var(--grey-2); margin-top: 10px; max-width: 520px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Product listing ---------- */

.listing { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: start; }

.side-nav {
  position: sticky;
  top: 102px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.side-nav h3 {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 18px;
  background: var(--ink);
  color: #fff;
}
.side-nav a {
  display: block;
  padding: 13px 18px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  border-top: 1px solid var(--line);
  transition: background 0.15s ease;
}
.side-nav a:hover { background: var(--bg-soft); }
.side-nav a.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 22px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
a.product-art, .product-art { display: block; background: var(--bg-soft); padding: 22px 18px; border-bottom: 1px solid var(--line); }
.product-body h3 a { color: inherit; }
.product-body h3 a:hover { color: var(--accent); }
.product-art img { height: 170px; width: 100%; object-fit: contain; }
.cat-card .cat-art img { height: 150px; width: 100%; object-fit: contain; }
.product-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.model-code { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.08em; }
.product-body h3 { font-size: 17.5px; margin: 4px 0 14px; }
.product-body .product-sub { font-size: 13px; color: var(--grey); margin: -8px 0 14px; }
.spec-list { list-style: none; margin-bottom: 18px; }
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
}
.spec-list li span:first-child { color: var(--grey); }
.spec-list li span:last-child { font-weight: 600; text-align: right; }
.product-body .btn { margin-top: auto; justify-content: center; }

.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--accent-soft);
  border: 1px solid #f3cfa9;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 13.5px;
  color: #7a4a12;
  margin-top: 34px;
}
.notice strong { font-weight: 600; }

/* ---------- Sales page ---------- */

.offer-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.offer-card h3 { margin-bottom: 8px; }
.offer-card p { font-size: 14.5px; color: var(--grey); }
.offer-card .tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 30px;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--grey); }

.quote-wrap { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 28px; align-items: start; }

.quote-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 600; }
.form-field label .req { color: var(--accent); }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
.form-foot { margin-top: 22px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-foot .fine { font-size: 12.5px; color: var(--grey); max-width: 340px; }

.contact-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
  position: sticky;
  top: 102px;
}
.contact-card h3 { color: #fff; margin-bottom: 18px; }
.contact-card dl { display: grid; gap: 16px; }
.contact-card dt {
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-2);
  margin-bottom: 3px;
}
.contact-card dd { font-size: 15px; }
.contact-card a { color: #fff; border-bottom: 1px solid var(--accent); }
.contact-card a:hover { color: var(--accent); }
.contact-card .card-note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #2a2f34;
  font-size: 13px;
  color: var(--grey-2);
}

/* ---------- About page ---------- */

.about-cols { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.about-cols .prose p { margin-bottom: 16px; color: var(--ink-2); }
.about-cols .prose p.first { font-size: 18px; color: var(--ink); font-weight: 500; }

.hq-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 30px;
}
.hq-card h3 { margin-bottom: 14px; }
.hq-card p { font-size: 15px; color: var(--ink-2); margin-bottom: 10px; }
.hq-card .muted { color: var(--grey); font-size: 13.5px; }

.pillar { border-top: 4px solid var(--accent); }

.group-band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.group-band .cta-in { padding: 56px 0; }
.group-band h2 { color: var(--ink); }
.group-band p { color: var(--grey); }

/* ---------- Footer ---------- */

.site-footer { background: var(--ink); color: #fff; margin-top: 0; }
.footer-in {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1.1fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-in h4 {
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-2);
  margin-bottom: 16px;
}
.footer-brand img { height: 42px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--grey-2); max-width: 300px; }
.footer-links { list-style: none; display: grid; gap: 10px; }
.footer-links a { font-size: 14.5px; color: #cfd4d9; }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { font-size: 14.5px; color: #cfd4d9; margin-bottom: 10px; }
.footer-contact a { color: #fff; border-bottom: 1px solid var(--accent); }
.footer-contact a:hover { color: var(--accent); }

.footer-legal {
  border-top: 1px solid #2a2f34;
  padding: 22px 0 30px;
  font-size: 12.5px;
  color: var(--grey-2);
}
.footer-legal p { margin-bottom: 4px; }

/* ---------- Responsive ---------- */

@media (max-width: 1060px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-in { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .footer-in { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 940px) {
  .header-in { gap: 18px; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-header.nav-open .site-nav { display: block; }
  .nav { flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 20px; }
  .nav > li > a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .drop {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    box-shadow: none;
    padding: 0 0 6px 16px;
    min-width: 0;
  }
  .has-drop > a::after { content: ""; }
  .hero-in { grid-template-columns: 1fr; padding: 56px 0; }
  .hero-art { max-width: 480px; }
  .listing { grid-template-columns: 1fr; }
  .side-nav { position: static; }
  .quote-wrap { grid-template-columns: 1fr; }
  .contact-card { position: static; }
  .about-cols { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .grid-4, .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .stats-in { grid-template-columns: repeat(2, 1fr); }
  .logo-word .logo-sub { letter-spacing: 0.18em; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Product detail pages ---------- */

.pd-top { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: start; }

.pd-gallery { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft); padding: 26px; }
.pd-stage { display: grid; place-items: center; min-height: 340px; }
.pd-stage img { max-height: 360px; width: auto; object-fit: contain; }
.pd-thumbs { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.pd-thumbs button {
  width: 74px; height: 66px; padding: 5px;
  background: #fff; border: 1px solid var(--line); border-radius: 9px;
  cursor: pointer; display: grid; place-items: center;
  transition: border-color 0.15s ease;
}
.pd-thumbs button img { max-height: 54px; width: auto; object-fit: contain; }
.pd-thumbs button:hover { border-color: var(--grey-2); }
.pd-thumbs button[aria-current="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.pd-head .model-code { font-size: 13px; }
.pd-head h1 { font-size: clamp(28px, 3.4vw, 40px); margin: 6px 0 6px; }
.pd-head .pd-series { font-size: 17px; color: var(--grey); margin-bottom: 22px; }

.pd-keyspecs { list-style: none; border-top: 1px solid var(--line); margin-bottom: 26px; }
.pd-keyspecs li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 13px 2px; border-bottom: 1px solid var(--line); font-size: 15px;
}
.pd-keyspecs li span:first-child { color: var(--grey); }
.pd-keyspecs li span:last-child { font-weight: 600; text-align: right; }

.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.pd-note { font-size: 13.5px; color: var(--grey); }

.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
table.spec-table th, table.spec-table td {
  padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top;
}
table.spec-table thead th {
  background: var(--ink); color: #fff; font-family: var(--font-head);
  font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  position: sticky; top: 0;
}
table.spec-table tbody tr:nth-child(even) { background: var(--bg-soft); }
table.spec-table tbody td:first-child { font-weight: 500; min-width: 210px; }
table.spec-table tbody td:nth-child(2) { color: var(--grey); white-space: nowrap; }
table.spec-table tbody tr:last-child td { border-bottom: none; }

.pd-related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pd-related .product-card .product-art img { height: 130px; }

@media (max-width: 940px) {
  .pd-top { grid-template-columns: 1fr; gap: 30px; }
  .pd-related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .pd-related { grid-template-columns: 1fr; }
  .pd-stage img { max-height: 260px; }
}


/* ---------- Series / type sections ---------- */

.series-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 46px;
}
.series-nav-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 4px; padding: 16px 12px 14px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.series-nav-item:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }
.series-nav-art {
  display: grid; place-items: center; width: 100%; height: 92px;
  background: var(--bg-soft); border-radius: 9px; margin-bottom: 10px; padding: 6px;
}
.series-nav-art img { max-height: 80px; width: auto; object-fit: contain; }
.series-nav-name { font-family: var(--font-head); font-weight: 700; font-size: 15px; }
.series-nav-meta { font-size: 12.5px; color: var(--grey); }

.series-block { margin-bottom: 54px; scroll-margin-top: 96px; }
.series-block:last-of-type { margin-bottom: 30px; }
.series-title {
  font-size: 24px; margin-bottom: 10px;
  border-left: 4px solid var(--accent); padding-left: 14px;
}
.series-intro { color: var(--grey); max-width: 720px; margin-bottom: 24px; font-size: 15.5px; }

@media (max-width: 640px) {
  .series-nav { grid-template-columns: repeat(2, 1fr); }
  .series-nav-art { height: 76px; }
}