/* ==========================================================================
   MotorPulse — global stylesheet
   Replaces the Tailwind Play CDN (not production-safe) with hand-written CSS
   for fast LCP, zero render-blocking JS, and clean Core Web Vitals.
   ========================================================================== */

:root {
  --color-dark:   #0f172a; /* page background        */
  --color-card:   #1e293b; /* card surface           */
  --color-light:  #f8fafc; /* primary text           */
  --color-accent: #6366f1; /* indigo brand accent    */
  --color-muted:  #94a3b8; /* slate-400 body copy    */
  --color-faint:  #64748b; /* slate-500 meta text    */
  --color-border: #1f2a3c; /* hairline borders       */
  --maxw: 80rem;           /* 1280px content width   */
  --radius: 0.75rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-dark);
  color: var(--color-light);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a   { text-decoration: none; color: inherit; }

h1, h2, h3, h4 {
  font-family: 'Bebas Neue', Impact, 'Arial Narrow', sans-serif;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.05;
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 640px)  { .container { padding-inline: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-inline: 2rem;   } }

/* Accessibility: visible focus + skip link --------------------------------- */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------------------------------------------------------------- Navbar -- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}
.brand {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: 2.25rem;
  letter-spacing: 0.05em;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  transition: opacity 0.2s;
}
.brand:hover { opacity: 0.8; }
.brand span { color: var(--color-accent); }

.nav-links {
  display: none;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-accent); }

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 0;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0.25rem;
}
.nav-toggle:hover { color: #fff; }

@media (min-width: 768px) {
  .nav-links  { display: flex; }
  .nav-toggle { display: none; }
}

/* ----------------------------------------------------------------- Hero -- */
.hero {
  position: relative;
  width: 100%;
  min-height: 500px;
  height: 70vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 4rem;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-dark) 0%, rgba(15,23,42,0.6) 50%, transparent 100%);
}
.hero__content { position: relative; z-index: 10; width: 100%; }
.hero__content > div { max-width: 48rem; }

.eyebrow {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border-radius: 3px;
  margin-bottom: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.4);
}
.hero h1 {
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.hero p {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: #cbd5e1;
  font-weight: 500;
  max-width: 42rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* --------------------------------------------------------------- Buttons - */
.btn {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.btn--primary {
  margin-top: 2rem;
  padding: 0.75rem 2rem;
  background: #fff;
  color: var(--color-dark);
  border: 0;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.4);
}
.btn--primary:hover { background: #e2e8f0; }
.btn--outline {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
}
.btn--outline:hover { background: var(--color-accent); color: #fff; }

/* ----------------------------------------------------------------- Main -- */
.main { flex: 1 0 auto; padding-block: 4rem; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}
.section-head h2 {
  font-size: 2.25rem;
  border-bottom: 4px solid var(--color-accent);
  padding-bottom: 0.5rem;
}
.view-all {
  color: var(--color-accent);
  font-weight: 600;
  transition: color 0.2s;
}
.view-all:hover { color: #fff; }
@media (max-width: 639px) { .view-all--top { display: none; } }

/* Section / category page header ------------------------------------------- */
.page-head { margin-bottom: 2.5rem; }
.page-head h1 {
  font-size: clamp(2.5rem, 6vw, 3.25rem);
  border-bottom: 4px solid var(--color-accent);
  padding-bottom: 0.5rem;
  display: inline-block;
}
.page-head p {
  color: var(--color-muted);
  max-width: 48rem;
  margin: 1.25rem 0 0;
  font-size: 1.05rem;
}

/* Card grid ---------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px)  { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s;
}
.card:hover { transform: translateY(-0.5rem); }
.card__media { position: relative; height: 14rem; overflow: hidden; }
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.card:hover .card__media img { transform: scale(1.05); }
.tag {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.25rem 0.5rem;
  background: rgba(15,23,42,0.8);
  backdrop-filter: blur(4px);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  color: #e2e8f0;
}
.card__body { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.card__body h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  transition: color 0.2s;
}
.card:hover .card__body h3 { color: var(--color-accent); }
.card__body p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
  flex-grow: 1;
}
.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.card__date { font-size: 0.75rem; color: var(--color-faint); font-weight: 500; }
.card__link { color: var(--color-accent); font-weight: 700; font-size: 0.85rem; }
.card__link:hover { text-decoration: underline; }

.mobile-cta { margin-top: 2rem; text-align: center; }
@media (min-width: 640px) { .mobile-cta { display: none; } }

/* --------------------------------------------------------------- Article - */
.article { padding-block: 3rem; }
.article__wrap { max-width: 44rem; margin-inline: auto; }
.breadcrumb { font-size: 0.8rem; color: var(--color-faint); margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { margin-inline: 0.4rem; }
.article h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  margin-bottom: 1rem;
}
.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  color: var(--color-faint);
  font-size: 0.85rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.article__hero {
  border-radius: var(--radius);
  margin-bottom: 2rem;
  width: 100%;
}
.prose { font-size: 1.075rem; color: #cbd5e1; }
.prose p { margin: 0 0 1.5rem; }
.prose h2 {
  font-size: 2rem;
  color: var(--color-light);
  margin: 2.5rem 0 1rem;
}
.prose h3 {
  font-size: 1.5rem;
  color: var(--color-light);
  margin: 2rem 0 0.75rem;
}
.prose a { color: var(--color-accent); text-decoration: underline; }
.prose ul, .prose ol { margin: 0 0 1.5rem; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose img { border-radius: var(--radius); margin: 2rem 0; }
.prose blockquote {
  border-left: 4px solid var(--color-accent);
  margin: 2rem 0;
  padding: 0.5rem 0 0.5rem 1.5rem;
  color: var(--color-muted);
  font-style: italic;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}
.prose th, .prose td {
  border: 1px solid var(--color-border);
  padding: 0.75rem;
  text-align: left;
}
.prose th { background: var(--color-card); color: var(--color-light); }

/* --------------------------------------------------------------- Footer -- */
.footer {
  background: #0b1120;
  border-top: 1px solid var(--color-border);
  padding-block: 3rem;
  margin-top: auto;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.footer__brand {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: 1.875rem;
  letter-spacing: 0.05em;
  color: var(--color-faint);
}
.footer__tagline { color: var(--color-faint); font-size: 0.875rem; margin: 0.5rem 0 0; }
.footer__links { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.footer__links a { color: var(--color-muted); font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.footer__links a:hover { color: #fff; }
.footer__legal { text-align: center; color: #475569; font-size: 0.75rem; margin-top: 2rem; }
@media (min-width: 768px) {
  .footer__inner { flex-direction: row; justify-content: space-between; text-align: left; }
  .footer__brand { justify-content: flex-start; }
}