/* ================================================
   fixthisauto.com — base stylesheet
   Philosophy: fast, readable, SEO-friendly
   No frameworks. No dependencies. Pure CSS.
   ================================================ */

/* --- Reset & Box Model --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- CSS Variables --- */
:root {
  --color-bg:        #ffffff;
  --color-surface:   #f5f5f5;
  --color-border:    #e0e0e0;
  --color-text:      #1a1a1a;
  --color-muted:     #666666;
  --color-accent:    #c0392b;      /* vermelho motor — para trocar depois */
  --color-accent-dk: #962d22;
  --color-link:      #1a5276;
  --color-cta-bg:    #f39c12;      /* laranja botão afiliado */
  --color-cta-text:  #1a1a1a;

  --font-body:   'Georgia', 'Times New Roman', serif;
  --font-ui:     system-ui, -apple-system, sans-serif;
  --font-mono:   'Courier New', monospace;

  --size-xs:   0.75rem;
  --size-sm:   0.875rem;
  --size-base: 1rem;
  --size-lg:   1.125rem;
  --size-xl:   1.375rem;
  --size-2xl:  1.75rem;
  --size-3xl:  2.25rem;

  --radius:    4px;
  --max-width: 960px;
  --sidebar-w: 280px;
}

/* --- Base --- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

/* --- Links --- */
a {
  color: var(--color-link);
  text-decoration: underline;
}
a:hover {
  color: var(--color-accent);
}

/* --- Headings --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-ui);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}
h1 { font-size: var(--size-3xl); margin-bottom: 1rem; }
h2 { font-size: var(--size-2xl); margin: 2rem 0 0.75rem; }
h3 { font-size: var(--size-xl);  margin: 1.5rem 0 0.5rem; }

p { margin-bottom: 1rem; }

/* --- Layout --- */
.site-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* --- Header --- */
.site-header {
  background: var(--color-text);
  color: #fff;
  padding: 0.75rem 0;
  border-bottom: 3px solid var(--color-accent);
}
.site-header .site-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-logo {
  font-family: var(--font-ui);
  font-size: var(--size-xl);
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}
.site-logo span {
  color: var(--color-accent);
}
.site-tagline {
  font-family: var(--font-ui);
  font-size: var(--size-xs);
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-family: var(--font-ui);
  font-size: var(--size-sm);
  color: var(--color-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}
.breadcrumb a {
  color: var(--color-muted);
}
.breadcrumb span {
  margin: 0 0.4rem;
}

/* --- Main content layout --- */
.content-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 2rem;
  margin-top: 1.5rem;
}
@media (max-width: 720px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Article --- */
article {
  min-width: 0;
}
article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* --- Quick Answer Box --- */
.quick-answer {
  background: #fffbf0;
  border-left: 4px solid var(--color-cta-bg);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0 1.75rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.quick-answer strong {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}

/* --- Sidebar --- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* --- Ad Box --- */
.ad-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  text-align: center;
  font-family: var(--font-ui);
  font-size: var(--size-xs);
  color: var(--color-muted);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Affiliate Card --- */
.affiliate-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  font-family: var(--font-ui);
}
.affiliate-card .product-name {
  font-weight: 700;
  font-size: var(--size-base);
  margin-bottom: 0.25rem;
}
.affiliate-card .product-price {
  font-size: var(--size-xl);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.affiliate-card .btn-affiliate {
  display: block;
  width: 100%;
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  text-align: center;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: var(--size-sm);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.affiliate-card .btn-affiliate:hover {
  background: #d68910;
  color: var(--color-cta-text);
}
.affiliate-card .affiliate-disclaimer {
  font-size: var(--size-xs);
  color: var(--color-muted);
  margin-top: 0.5rem;
  text-align: center;
}

/* --- Partners Box --- */
.partners-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  font-family: var(--font-ui);
}
.partners-box h3 {
  font-size: var(--size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-muted);
  margin: 0 0 0.75rem;
}
.partner-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--size-sm);
}
.partner-item:last-child {
  border-bottom: none;
}
.partner-item a {
  font-weight: 600;
}

/* --- Related Pages --- */
.related-pages {
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--color-border);
}
.related-pages h2 {
  font-size: var(--size-lg);
  margin-bottom: 0.75rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.related-link {
  display: block;
  padding: 0.6rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: var(--size-sm);
  text-decoration: none;
  color: var(--color-link);
}
.related-link:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* --- Footer --- */
.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 2px solid var(--color-border);
  font-family: var(--font-ui);
  font-size: var(--size-sm);
  color: var(--color-muted);
}
.site-footer .site-wrapper {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-footer a {
  color: var(--color-muted);
}

/* --- Utility --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}