/* DIY Fix My Car — main stylesheet
   Dark theme matching mobile app brand board.
   Orange accent #F26622. Dark charcoal bg #16191E. */

:root {
  --brand: #F26622;
  --brand-dark: #C34D14;
  --bg: #16191E;
  --bg-alt: #1D2127;
  --card: #22262C;
  --card-hover: #2A2F36;
  --ink: #F1F1F1;
  --muted: #9CA0A6;
  --line: #363B44;
  --success: #10b981;
  --danger: #ef4444;
  --warn: #f59e0b;
  --max-w: 1100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--brand); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--brand-dark); }

img { max-width: 100%; height: auto; }

/* ============ Nav ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(22, 25, 30, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-weight: 800; font-size: 20px;
  color: var(--ink); letter-spacing: -0.02em;
}
.nav-brand span { color: var(--brand); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--ink); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--brand); }
.nav-cta {
  background: var(--brand); color: #fff !important;
  padding: 8px 16px; border-radius: 8px; font-weight: 600; font-size: 14px;
}
.nav-cta:hover { background: var(--brand-dark); color: #fff !important; }

@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ============ Hero ============ */
.hero {
  padding: 80px 20px 60px;
  text-align: center;
}
.hero-inner {
  max-width: 780px; margin: 0 auto;
}
.hero-eyebrow {
  display: inline-block;
  color: var(--brand);
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding: 6px 12px;
  background: rgba(242, 102, 34, 0.1);
  border-radius: 20px;
  border: 1px solid rgba(242, 102, 34, 0.3);
}
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--brand); }
.hero-sub {
  font-size: 20px;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.5;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--brand); color: #fff;
  padding: 14px 28px; border-radius: 10px;
  font-weight: 600; font-size: 16px;
  transition: background 0.15s, transform 0.15s;
  border: 0; cursor: pointer;
}
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); }
.btn-secondary {
  display: inline-block;
  background: transparent; color: var(--ink);
  padding: 14px 28px; border-radius: 10px;
  font-weight: 600; font-size: 16px;
  border: 1px solid var(--line);
  transition: border-color 0.15s, background 0.15s;
}
.btn-secondary:hover { border-color: var(--brand); background: var(--card); color: var(--ink); }

@media (max-width: 640px) {
  .hero { padding: 60px 20px 40px; }
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 17px; }
}

/* ============ Sections ============ */
.section { padding: 60px 20px; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-eyebrow {
  color: var(--brand);
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-align: center;
}
.section-title {
  font-size: 36px; font-weight: 800;
  text-align: center; margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-sub {
  text-align: center; color: var(--muted);
  font-size: 17px; margin-bottom: 48px;
  max-width: 640px; margin-left: auto; margin-right: auto;
}

/* ============ Features grid ============ */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  transition: border-color 0.15s, transform 0.15s;
}
.feature-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(242, 102, 34, 0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand);
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 18px; font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--muted); font-size: 14px; line-height: 1.55;
}

/* ============ How it works ============ */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.step-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px; position: relative;
}
.step-num {
  position: absolute; top: -12px; left: 24px;
  background: var(--brand); color: #fff;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.step-card h4 { font-size: 16px; margin: 8px 0 6px; }
.step-card p { color: var(--muted); font-size: 14px; }

/* ============ CTA banner ============ */
.cta-banner {
  background: linear-gradient(135deg, var(--card) 0%, var(--card-hover) 100%);
  border: 1px solid var(--brand);
  border-radius: 20px;
  padding: 48px 32px;
  text-align: center;
  max-width: 720px;
  margin: 40px auto;
}
.cta-banner h2 {
  font-size: 28px; font-weight: 800; margin-bottom: 12px;
}
.cta-banner p {
  color: var(--muted); margin-bottom: 24px; font-size: 16px;
}

/* ============ Footer ============ */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding: 40px 20px 30px;
  margin-top: 60px;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-brand { font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.footer-brand span { color: var(--brand); }
.footer-tag { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.footer h5 {
  color: var(--ink); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; }
.footer li a { color: var(--muted); font-size: 14px; }
.footer li a:hover { color: var(--brand); }
.footer-bottom {
  max-width: var(--max-w); margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}

/* ============ Blog / article pages ============ */
.article {
  max-width: 720px; margin: 0 auto;
  padding: 60px 20px 40px;
}
.article-eyebrow {
  color: var(--brand); font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.article h1 {
  font-size: 40px; font-weight: 800; line-height: 1.15;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.article-meta {
  color: var(--muted); font-size: 14px;
  padding-bottom: 24px; margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.article-body { font-size: 17px; line-height: 1.75; color: var(--ink); }
.article-body h2 { font-size: 26px; margin: 36px 0 12px; letter-spacing: -0.01em; }
.article-body h3 { font-size: 20px; margin: 28px 0 10px; color: var(--brand); }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 12px 0 20px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body code {
  background: var(--card); color: var(--brand);
  padding: 2px 6px; border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
}
.article-body pre {
  background: var(--card); border: 1px solid var(--line);
  padding: 16px; border-radius: 10px; overflow-x: auto;
  margin: 16px 0; font-size: 14px;
}
.article-body blockquote {
  border-left: 3px solid var(--brand);
  padding: 8px 16px; margin: 20px 0;
  background: var(--card); border-radius: 0 8px 8px 0;
  color: var(--muted);
}
.article-body table {
  width: 100%; border-collapse: collapse; margin: 20px 0;
  font-size: 15px;
}
.article-body th, .article-body td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--line);
}
.article-body th { color: var(--brand); font-weight: 700; }
.article-body strong { color: var(--ink); font-weight: 700; }

/* Callout boxes */
.callout {
  background: var(--card); border-left: 3px solid var(--brand);
  padding: 16px 20px; margin: 20px 0; border-radius: 0 10px 10px 0;
}
.callout.warn { border-left-color: var(--warn); }
.callout.danger { border-left-color: var(--danger); }
.callout-title { font-weight: 700; margin-bottom: 6px; color: var(--brand); }
.callout.warn .callout-title { color: var(--warn); }
.callout.danger .callout-title { color: var(--danger); }

/* Blog list */
.blog-list {
  max-width: var(--max-w); margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.blog-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}
.blog-card:hover { border-color: var(--brand); transform: translateY(-2px); }
.blog-card a { color: var(--ink); display: block; }
.blog-card-cat {
  display: inline-block;
  color: var(--brand); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.blog-card h2 {
  font-size: 20px; font-weight: 700;
  line-height: 1.3; margin-bottom: 8px;
}
.blog-card p { color: var(--muted); font-size: 14px; line-height: 1.5; margin-bottom: 12px; }
.blog-card-meta { color: var(--muted); font-size: 12px; }

/* DTC index specific */
.dtc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin-top: 20px;
}
.dtc-tile {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px;
  color: var(--ink); font-family: ui-monospace, monospace;
  font-size: 14px; font-weight: 600;
  display: block;
}
.dtc-tile:hover { border-color: var(--brand); color: var(--brand); }