/* Smart Tire Picks — shared styles */
:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a2332;
  --muted: #5a6577;
  --border: #d8dee8;
  --brand: #0b5fff;
  --brand-dark: #0847c7;
  --accent: #0d9488;
  --warn-bg: #fff8e6;
  --warn-border: #e6c35c;
  --footer-bg: #121826;
  --footer-text: #c5cddb;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 4px 16px rgba(16, 24, 40, 0.04);
  --max: 1100px;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--brand-dark); }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(11, 95, 255, 0.45);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  font-weight: 750;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--brand); }
.nav-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  font: inherit;
  color: var(--text);
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem 1.1rem;
  flex-wrap: wrap;
  align-items: center;
}
.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 560;
  font-size: 0.95rem;
  padding: 0.35rem 0;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--brand); }

main { min-height: 55vh; }
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}
.hero {
  background: linear-gradient(145deg, #0b1f4d 0%, #0b5fff 55%, #0d9488 120%);
  color: #fff;
  padding: 3rem 1.25rem 3.25rem;
}
.hero .wrap { padding-top: 0; padding-bottom: 0; }
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.hero p {
  margin: 0 0 1.25rem;
  font-size: 1.12rem;
  max-width: 42rem;
  opacity: 0.95;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.15rem;
  border-radius: 8px;
  font-weight: 650;
  text-decoration: none;
  border: 2px solid transparent;
  font-size: 0.98rem;
}
.btn-primary {
  background: #fff;
  color: #0b1f4d;
}
.btn-primary:hover { background: #eef2ff; color: #0b1f4d; }
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn-outline {
  background: var(--surface);
  color: var(--brand);
  border-color: var(--brand);
}
.btn-outline:hover { background: #eef3ff; color: var(--brand-dark); }

.page-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.65rem, 3.2vw, 2.15rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
}
.lede {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0 0 1.5rem;
  max-width: 48rem;
}

.disclaimer-box {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin: 0 0 1.75rem;
  font-size: 0.92rem;
  color: #4a3b10;
}
.disclaimer-box a { color: #7a5a00; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card h2, .card h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; flex: 1; }
.card a.card-link {
  font-weight: 650;
  text-decoration: none;
  margin-top: 0.35rem;
}
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.4rem;
}
.content-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  box-shadow: var(--shadow);
}
.content-block h2 {
  margin: 1.6rem 0 0.55rem;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}
.content-block h2:first-child { margin-top: 0; }
.content-block h3 {
  margin: 1.25rem 0 0.45rem;
  font-size: 1.08rem;
}
.content-block p, .content-block li { color: #2a3444; }
.content-block ul, .content-block ol { padding-left: 1.25rem; }
.content-block li { margin-bottom: 0.35rem; }
.content-block table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}
.content-block th, .content-block td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.content-block th { background: #f0f3f8; }
.cta-box {
  margin-top: 1.75rem;
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: #f0f4fb;
}
.cta-box h2 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.cta-box p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.note {
  font-size: 0.92rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 0.85rem;
  margin: 1rem 0;
}

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 2.25rem 1.25rem 2rem;
  margin-top: 2rem;
  font-size: 0.92rem;
}
.footer-inner { max-width: var(--max); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.site-footer a { color: #9ec0ff; }
.site-footer h2 {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #8b95a8;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.footer-legal {
  border-top: 1px solid #2a3347;
  padding-top: 1.1rem;
  color: #9aa3b5;
  line-height: 1.55;
}
.footer-meta {
  margin-top: 0.9rem;
  color: #7b8496;
  font-size: 0.85rem;
}

.form-grid { display: grid; gap: 0.9rem; max-width: 32rem; }
label { font-weight: 600; display: block; margin-bottom: 0.3rem; font-size: 0.95rem; }
input, textarea, select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--text);
}
textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.9rem; color: var(--muted); }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-nav {
    display: none;
    width: 100%;
  }
  .site-nav.open { display: block; }
  .header-inner { flex-wrap: wrap; }
  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    padding: 0.35rem 0 0.5rem;
    width: 100%;
  }
  .site-nav a { display: block; padding: 0.55rem 0; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}