/* ============ MOTORHINT — Workshop Manual Aesthetic ============ */
:root {
    --ink: #1B2432;        /* deep steel */
    --ink-2: #3A4658;
    --paper: #F4F5F7;
    --card: #FFFFFF;
    --amber: #E8A11B;      /* dashboard warning amber */
    --amber-dark: #B87D0E;
    --line: #DCE0E6;
    --muted: #6B7686;
    --radius: 10px;
    --display: 'Barlow Condensed', sans-serif;
    --body: 'Inter', system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { font-family: var(--body); background: var(--paper); color: var(--ink); line-height: 1.7; font-size: 16.5px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* ---- Header ---- */
.site-header { background: var(--ink); color: #fff; border-bottom: 3px solid var(--amber); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { font-family: var(--display); font-weight: 700; font-size: 27px; letter-spacing: 1.5px; color: #fff; display: flex; align-items: center; }
.logo span { color: var(--amber); }
.logo-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); margin-left: 6px; box-shadow: 0 0 8px 2px rgba(232,161,27,.55); animation: blink 2.6s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.main-nav { display: flex; gap: 22px; }
.main-nav a { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: .8px; text-transform: uppercase; color: #C9D1DC; padding: 6px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; border-color: var(--amber); }
.nav-toggle { display: none; background: none; border: 1px solid var(--ink-2); color: #fff; font-size: 20px; padding: 4px 12px; border-radius: 6px; cursor: pointer; }

/* ---- Hero ---- */
.hero { padding: 46px 0 30px; }
.hero-eyebrow { font-family: var(--display); text-transform: uppercase; letter-spacing: 2px; color: var(--amber-dark); font-weight: 700; font-size: 15px; }
.hero h1 { font-family: var(--display); font-weight: 700; font-size: clamp(34px, 5.5vw, 56px); line-height: 1.08; text-transform: uppercase; letter-spacing: .5px; max-width: 720px; }
.hero p { color: var(--muted); max-width: 620px; margin-top: 12px; }

/* ---- Cards ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; margin: 26px 0 50px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(27,36,50,.10); }
.card-thumb { height: 132px; display: flex; align-items: center; justify-content: center; font-size: 44px; background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%); position: relative; }
.card-thumb::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, transparent 0 14px, rgba(255,255,255,.025) 14px 28px); }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cat-chip { display: inline-flex; align-items: center; gap: 7px; font-family: var(--display); font-weight: 600; font-size: 14px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.cat-chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--chip, var(--amber)); box-shadow: 0 0 6px 1px var(--chip, var(--amber)); }
.card h3 { font-family: var(--display); font-size: 23px; font-weight: 700; line-height: 1.15; letter-spacing: .3px; }
.card h3 a:hover { color: var(--amber-dark); }
.card p { color: var(--muted); font-size: 15px; flex: 1; }
.card-meta { font-size: 13px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; }

/* ---- Section headings ---- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 3px solid var(--ink); padding-bottom: 8px; margin-top: 30px; }
.section-head h2 { font-family: var(--display); text-transform: uppercase; font-size: 27px; letter-spacing: 1px; }
.section-head a { font-size: 14px; font-weight: 600; color: var(--amber-dark); }

/* ---- Article (spec-plate meta = signature) ---- */
.article-head { padding: 44px 0 8px; max-width: 780px; }
.article-head h1 { font-family: var(--display); font-weight: 700; font-size: clamp(30px, 4.6vw, 46px); line-height: 1.1; text-transform: uppercase; letter-spacing: .4px; margin: 10px 0 18px; }
.spec-plate { display: flex; flex-wrap: wrap; border: 2px solid var(--ink); border-radius: 8px; overflow: hidden; background: var(--card); max-width: 780px; margin-bottom: 28px; }
.spec-plate div { padding: 8px 18px; border-right: 1px solid var(--line); font-size: 13px; }
.spec-plate div:last-child { border-right: 0; }
.spec-plate b { display: block; font-family: var(--display); text-transform: uppercase; letter-spacing: 1.2px; font-size: 12px; color: var(--muted); font-weight: 600; }
.article-content { max-width: 780px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 38px 40px; margin-bottom: 40px; }
.article-content h2 { font-family: var(--display); text-transform: uppercase; font-size: 26px; letter-spacing: .6px; margin: 30px 0 10px; padding-top: 18px; border-top: 2px solid var(--line); }
.article-content h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.article-content h3 { font-family: var(--display); font-size: 21px; letter-spacing: .4px; margin: 22px 0 8px; }
.article-content p { margin: 12px 0; }
.article-content ul, .article-content ol { margin: 12px 0 12px 24px; }
.article-content li { margin: 6px 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.article-content th { background: var(--ink); color: #fff; font-family: var(--display); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.article-content .tip { border-left: 4px solid var(--amber); background: #FCF4E3; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; }
.article-content .warn { border-left: 4px solid #C0503C; background: #F9ECE9; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; }

/* ---- Ads ---- */
.ad-slot { text-align: center; margin: 18px auto; max-width: 1080px; padding: 0 20px; }
.ad-slot:empty { display: none; }

/* ---- Static pages ---- */
.page-content { max-width: 780px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 38px; margin: 40px 0 50px; }
.page-content h1 { font-family: var(--display); text-transform: uppercase; font-size: 34px; margin-bottom: 16px; }
.page-content h2 { font-family: var(--display); font-size: 24px; margin: 22px 0 8px; }
.page-content p { margin: 10px 0; }
.page-content ul { margin: 10px 0 10px 24px; }

/* ---- Contact form ---- */
.form-row { margin: 14px 0; }
.form-row label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.form-row input, .form-row textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 8px; font-family: var(--body); font-size: 15px; background: var(--paper); }
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--amber); border-color: var(--amber); }
.btn { display: inline-block; background: var(--ink); color: #fff; font-family: var(--display); text-transform: uppercase; letter-spacing: 1.2px; font-size: 17px; font-weight: 600; padding: 11px 30px; border-radius: 8px; border: 0; cursor: pointer; }
.btn:hover { background: var(--amber-dark); }
.notice-ok { background: #E7F5EA; border: 1px solid #3E9B4F; padding: 12px 16px; border-radius: 8px; margin: 14px 0; }

/* ---- Footer ---- */
.site-footer { background: var(--ink); color: #C9D1DC; margin-top: 30px; border-top: 3px solid var(--amber); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px; padding: 44px 20px 26px; }
.logo-footer { font-size: 24px; }
.footer-brand p { font-size: 14px; margin-top: 10px; color: #8D99AB; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.footer-links h4 { font-family: var(--display); text-transform: uppercase; letter-spacing: 1.5px; color: var(--amber); font-size: 15px; margin-bottom: 10px; }
.footer-links a { display: block; font-size: 14px; padding: 3px 0; color: #C9D1DC; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--ink-2); padding: 16px 20px; font-size: 12.5px; color: #8D99AB; }

/* ---- Breadcrumbs ---- */
.crumbs { font-size: 13px; color: var(--muted); padding-top: 22px; }
.crumbs a { color: var(--amber-dark); }

/* ---- Responsive ---- */
@media (max-width: 820px) {
    .main-nav { display: none; position: absolute; top: 62px; left: 0; right: 0; background: var(--ink); flex-direction: column; gap: 0; padding: 8px 20px 16px; border-bottom: 3px solid var(--amber); }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 11px 0; border-bottom: 1px solid var(--ink-2); }
    .nav-toggle { display: block; }
    .article-content, .page-content { padding: 24px 20px; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}