/* ============================================================
   JETTA Lubricants — style.css
   Modern industrial design system
   ============================================================ */

:root {
  --bg: #e9f2fb;
  --bg-2: #dceafa;
  --surface: #ffffff;
  --surface-2: #f2f8fe;
  --line: rgba(31, 80, 145, 0.16);
  --text: #0e1c33;
  --muted: #4b6180;
  --blue: #4f90d3;
  --cyan: #2f6fbe;
  --orange: #e8000c;
  --orange-2: #d5000b;
  --radius: 14px;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* ---------- Typography ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.05;
  text-transform: uppercase;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--orange-2);
}
.kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--orange);
}

.section-title {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  margin: 14px 0 18px;
}
.section-title .accent { color: var(--cyan); }

.lead {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 62ch;
}

section { padding: 96px 0; position: relative; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 30px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: linear-gradient(120deg, var(--orange), #ff4649);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(245, 0, 10, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(245, 0, 10, 0.4); }
.btn-ghost {
  border-color: rgba(15, 27, 48, 0.25);
  color: var(--text);
  background: rgba(15, 27, 48, 0.02);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.25s ease, box-shadow 0.25s ease;
  background: linear-gradient(rgba(233, 242, 251, 0.92), rgba(233, 242, 251, 0));
}
.site-header.scrolled {
  background: rgba(244, 249, 254, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(16, 42, 82, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 42px; height: 42px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
}
.logo-text small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--cyan);
}

.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.18s ease;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.22s ease;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav .btn { padding: 10px 22px; font-size: 0.95rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.25s;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  position: relative;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(79, 144, 211, 0.14), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(232, 0, 12, 0.06), transparent 60%),
    var(--bg);
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(16, 42, 82, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 42, 82, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.hero h1 {
  font-size: clamp(2.5rem, min(10.5vw, 7vw + 1rem), 5.6rem);
  margin: 20px 0 22px;
  overflow-wrap: break-word;
}
.hero h1 .stroke {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(15, 27, 48, 0.4);
}
.hero h1 .accent { color: var(--orange); }
.hero .lead { margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-art { position: relative; }
.hero-art svg { width: 100%; max-width: 460px; height: auto; margin-inline: auto; }

.hero-stats {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.stat {
  padding: 26px 28px;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}
.stat span {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- Marquee strip ---------- */
.strip {
  padding: 18px 0;
  background: linear-gradient(90deg, var(--orange), #ff4649);
  overflow: hidden;
  transform: rotate(-1deg) scale(1.02);
}
.strip-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.strip span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 48px;
}
.strip span::after { content: "◆"; font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Category grid ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 18px;
  margin-top: 48px;
}
.cat-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 28px 26px;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.cat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(91, 155, 217, 0.45);
  box-shadow: 0 24px 50px rgba(16, 42, 82, 0.14);
}
.cat-card .cat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(79, 144, 211, 0.12);
  border: 1px solid rgba(79, 144, 211, 0.3);
  margin-bottom: 18px;
}
.cat-card .cat-icon svg { width: 28px; height: 28px; stroke: var(--cyan); }
.cat-card h3 { font-size: 1.45rem; margin-bottom: 8px; }
.cat-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 16px; }
.cat-card .cat-count {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-2);
}
.cat-card::after {
  content: "→";
  position: absolute;
  right: 24px; bottom: 20px;
  font-size: 1.2rem;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-8px);
  transition: 0.22s ease;
}
.cat-card:hover::after { opacity: 1; transform: translateX(0); }

/* ---------- Product cards ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 44px 0 34px;
}
.filter-btn {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 20px;
  cursor: pointer;
  transition: 0.18s ease;
}
.filter-btn:hover { color: var(--text); border-color: rgba(91, 155, 217, 0.5); }
.filter-btn.active {
  color: #ffffff;
  background: linear-gradient(120deg, var(--orange), #ff4649);
  border-color: transparent;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--surface), var(--bg-2));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 0, 10, 0.45);
  box-shadow: 0 24px 50px rgba(16, 42, 82, 0.14);
}
.product-visual {
  height: 150px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(300px 120px at 50% 120%, rgba(79, 144, 211, 0.22), transparent 70%),
    repeating-linear-gradient(-45deg, rgba(16, 42, 82, 0.05) 0 2px, transparent 2px 14px),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.product-visual svg { width: 74px; height: 74px; }
.product-tag {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(91, 155, 217, 0.1);
  border: 1px solid rgba(91, 155, 217, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
}
.product-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.product-body h3 { font-size: 1.35rem; margin-bottom: 8px; letter-spacing: 0.03em; }
.product-body p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.product-body .specs {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.spec-chip {
  font-size: 0.76rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
  background: rgba(16, 42, 82, 0.03);
}

/* ---------- Split / feature sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-list { margin-top: 28px; display: grid; gap: 18px; }
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-item .f-icon {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(245, 0, 10, 0.12);
  border: 1px solid rgba(245, 0, 10, 0.35);
}
.feature-item .f-icon svg { width: 22px; height: 22px; stroke: var(--orange-2); }
.feature-item h4 { font-family: var(--font-display); font-size: 1.2rem; text-transform: uppercase; letter-spacing: 0.04em; }
.feature-item p { color: var(--muted); font-size: 0.94rem; }

/* ---------- Industries ---------- */
.industries {
  background:
    radial-gradient(800px 400px at 15% 0%, rgba(79, 144, 211, 0.1), transparent 60%),
    var(--bg-2);
  border-block: 1px solid var(--line);
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.industry {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  background: rgba(255, 255, 255, 0.85);
  transition: 0.2s ease;
}
.industry:hover { border-color: rgba(245, 0, 10, 0.4); transform: translateY(-4px); }
.industry svg { width: 30px; height: 30px; stroke: var(--orange); margin-bottom: 14px; }
.industry h4 { font-family: var(--font-display); text-transform: uppercase; font-size: 1.15rem; letter-spacing: 0.05em; }
.industry p { color: var(--muted); font-size: 0.87rem; margin-top: 6px; }

/* ---------- Values (about) ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.value-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 30px 28px;
}
.value-card .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(79, 144, 211, 0.75);
  line-height: 1;
  margin-bottom: 14px;
}
.value-card h3 { font-size: 1.35rem; margin-bottom: 10px; }
.value-card p { color: var(--muted); font-size: 0.94rem; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 170px 0 80px;
  background:
    radial-gradient(800px 400px at 80% 0%, rgba(79, 144, 211, 0.12), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); margin-top: 16px; }
.page-hero .lead { margin-top: 16px; }
.breadcrumb {
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--muted);
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { margin: 0 10px; color: var(--orange); }

/* ---------- CTA band ---------- */
.cta-band {
  margin: 0;
  padding: 90px 0;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(232, 0, 12, 0.07), transparent 65%),
    linear-gradient(160deg, #ffffff, #dceafa);
  border-block: 1px solid var(--line);
  text-align: center;
}
.cta-band h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 16px; }
.cta-band p { color: var(--muted); max-width: 56ch; margin: 0 auto 34px; }

/* ---------- Contact ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 34px 32px;
  display: grid;
  gap: 26px;
}
.contact-line { display: flex; gap: 16px; align-items: flex-start; }
.contact-line .c-icon {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(79, 144, 211, 0.12);
  border: 1px solid rgba(79, 144, 211, 0.3);
}
.contact-line .c-icon svg { width: 22px; height: 22px; stroke: var(--cyan); }
.contact-line h4 { font-family: var(--font-display); text-transform: uppercase; font-size: 1.1rem; letter-spacing: 0.06em; }
.contact-line p, .contact-line a { color: var(--muted); font-size: 0.95rem; }
.contact-line a:hover { color: var(--cyan); }

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 38px 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.97rem;
  padding: 13px 16px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(91, 155, 217, 0.15);
}
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #d3e4f6;
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 54px;
}
.footer-grid h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 1.05rem;
  margin-bottom: 18px;
  color: var(--text);
}
.footer-grid p { color: var(--muted); font-size: 0.92rem; }
.footer-grid ul { list-style: none; display: grid; gap: 10px; }
.footer-grid ul a { color: var(--muted); font-size: 0.93rem; transition: color 0.15s; }
.footer-grid ul a:hover { color: var(--cyan); }
.footer-brand .logo { margin-bottom: 18px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin-inline: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat { border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: none; }
  .split, .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .nav {
    position: fixed;
    top: 96px; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    width: min(320px, 84vw);
    height: calc(100vh - 96px);
    padding: 30px 28px;
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.28s ease;
  }
  .nav.open { transform: translateX(0); }
  .nav a { padding: 14px 0; font-size: 1.2rem; width: 100%; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 22px; }
  .nav-toggle { display: block; }
}

@media (max-width: 560px) {
  section { padding: 70px 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}

/* ---------- Brand logo image ---------- */
.logo-img {
  height: 62px;
  width: auto;
  filter: drop-shadow(0 4px 14px rgba(16, 42, 82, 0.15));
  transition: transform 0.22s ease;
}
.logo:hover .logo-img { transform: scale(1.04); }
.site-footer .logo-img { height: 74px; }
.logo-img-badge {
  background: #ffffff;
  padding: 6px 12px;
  border-radius: 8px;
}
@media (max-width: 560px) { .logo-img { height: 44px; } }

/* ---------- Signature touches ---------- */
::selection { background: rgba(232, 0, 12, 0.85); color: #fff; }

html { scrollbar-color: #4f90d3 #dceafa; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #dceafa; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(#4f90d3, #f5000a);
  border-radius: 6px;
  border: 2px solid #dceafa;
}

/* clipped industrial corners on primary buttons */
.btn-primary {
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  border-radius: 0;
}

/* giant outlined brand watermark */
.wm { overflow: hidden; }
.wm::before {
  content: attr(data-wm);
  position: absolute;
  right: -0.05em;
  top: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(7rem, 18vw, 15rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(79, 144, 211, 0.18);
  pointer-events: none;
  user-select: none;
}

/* slow-spinning dashed ring in hero */
.spin-slow {
  transform-origin: 220px 220px;
  animation: spin 40s linear infinite;
}
.spin-seconds {
  transform-origin: 220px 220px;
  animation: spin 60s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .spin-slow, .spin-seconds, .strip-track { animation: none; }
}

/* dual brand underline on section titles */
.section-title { position: relative; }

/* ---------- Real-time clock (rotation origin is set in the SVG transform attribute) ---------- */

/* ---------- Hero drip canvas ---------- */
#drip {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* ---------- Oil-level scroll gauge ---------- */
.oil-gauge {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.oil-gauge svg { width: 18px; height: 18px; }
.og-tube {
  width: 12px;
  height: 150px;
  border: 2px solid rgba(31, 80, 145, 0.35);
  border-radius: 8px;
  background: #ffffff;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.og-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(#ff4d55, #e8000c);
  border-radius: 6px 6px 0 0;
  transition: height 0.15s ease-out;
}
.og-pct {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
}
@media (max-width: 1180px) { .oil-gauge { display: none; } }

/* ---------- Lubricant finder ---------- */
.finder-card {
  margin-top: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 38px 36px;
  max-width: 780px;
}
.finder-step h4, .finder-result h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.35rem;
  margin-bottom: 18px;
}
.finder-options { display: flex; flex-wrap: wrap; gap: 10px; }
.finder-result { display: flex; gap: 18px; align-items: flex-start; }
.finder-result .fr-icon {
  flex: 0 0 52px;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(232, 0, 12, 0.08);
  border: 1px solid rgba(232, 0, 12, 0.3);
}
.finder-result .fr-icon svg { width: 26px; height: 26px; }

/* ---------- Product detail pages ---------- */
.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}
.detail-block { margin-bottom: 40px; }
.detail-block h3, .aside-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.detail-list {
  list-style: none;
  display: grid;
  gap: 10px;
}
.detail-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 0.98rem;
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 12px;
  background: none;
  border: none;
  clip-path: none;
}
.detail-list li::marker { content: none; }
.detail-list li::before {
  content: "";
  width: 10px; height: 14px;
  background: var(--orange);
  clip-path: path("M5 0C8.2 4.3 10 6.9 10 9a5 5 0 1 1-10 0C0 6.9 1.8 4.3 5 0Z");
}
.aside-card {
  position: sticky;
  top: 116px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  padding: 30px 28px;
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 0.93rem;
  vertical-align: top;
}
.spec-table td:first-child { color: var(--muted); width: 48%; }
.spec-table td:last-child { font-weight: 600; }
.btn-block { width: 100%; justify-content: center; }
.pc-link { transition: color 0.15s; }
.pc-link:hover { color: var(--cyan); }
@media (max-width: 980px) {
  .detail-layout { grid-template-columns: 1fr; }
  .aside-card { position: static; }
}

/* ---------- Datasheets list ---------- */
.ds-list { display: grid; gap: 10px; max-width: 860px; }
.ds-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 14px 20px;
}
.ds-name { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.ds-name a {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.ds-name a:hover { color: var(--cyan); }
.ds-cat {
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  background: var(--surface-2);
}
.ds-btn { padding: 9px 18px; font-size: 0.92rem; flex-shrink: 0; }
@media (max-width: 560px) { .ds-row { flex-direction: column; align-items: flex-start; } }