/* Stride & Strength — shared styles
   Plain CSS, no frameworks. Mobile-first, responsive. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --ink: #1c2430;
  --ink-soft: #4b5563;
  --line: #e5e9ef;
  --brand: #0e7c5b;        /* deep green */
  --brand-dark: #0a5f46;
  --accent: #f59e0b;       /* warm amber for CTAs */
  --accent-dark: #d97706;
  --card: #ffffff;
  --radius: 12px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 17px;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); }
a:hover { color: var(--brand-dark); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  background: #10231c;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), #14a37c);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; color: #fff;
}
.brand-name { font-weight: 800; font-size: 20px; letter-spacing: .2px; }
.brand-name small { display: block; font-weight: 400; font-size: 11px; color: #b9c8c0; letter-spacing: .6px; text-transform: uppercase; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: #dbe7e1; text-decoration: none; font-size: 15px; font-weight: 600;
  padding: 8px 12px; border-radius: 8px;
}
.nav a:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav a.active { background: var(--brand); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, #10231c 0%, #16402f 100%);
  color: #fff;
  padding: 56px 0 48px;
}
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 14px; }
.hero p.lead { font-size: 19px; color: #cfe0d7; max-width: 680px; margin: 0 0 24px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  padding: 12px 22px; border-radius: 10px; border: none; cursor: pointer;
  font-size: 16px; line-height: 1.4; transition: transform .08s ease, box-shadow .08s ease;
}
.btn-primary { background: var(--accent); color: #231603; box-shadow: 0 3px 0 var(--accent-dark); }
.btn-primary:hover { background: #fbbf24; color: #231603; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.btn-aff { background: var(--accent); color: #231603; box-shadow: 0 3px 0 var(--accent-dark); width: 100%; text-align: center; }
.btn-aff:hover { background: #fbbf24; color: #231603; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* ---------- Sections / cards ---------- */
.section { padding: 48px 0; }
.section.alt { background: var(--bg-soft); }
.section h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 8px; }
.section .sub { color: var(--ink-soft); margin: 0 0 28px; max-width: 720px; }

.grid { display: grid; gap: 20px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid.cols-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column; gap: 10px;
}
.card h3 { margin: 0; font-size: 20px; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--brand); }
.card p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.card .tag {
  align-self: flex-start; font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .6px; color: var(--brand-dark); background: #e3f2ec;
  padding: 4px 10px; border-radius: 999px;
}
.card .spacer { flex: 1; }

/* ---------- Article typography ---------- */
.article { max-width: 780px; margin: 0 auto; padding: 40px 20px 56px; }
.article h1 { font-size: clamp(28px, 4.6vw, 40px); line-height: 1.2; margin: 0 0 10px; }
.article .meta { color: var(--ink-soft); font-size: 14.5px; margin-bottom: 26px; }
.article h2 { font-size: 26px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
.article h2:first-of-type { border-top: none; }
.article h3 { font-size: 20px; margin: 28px 0 8px; }
.article p, .article li { font-size: 17px; }
.article ul, .article ol { padding-left: 24px; }
.article li { margin-bottom: 8px; }
.toc {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; margin: 24px 0;
}
.toc strong { display: block; margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 4px; font-size: 15.5px; }
.toc a { text-decoration: none; }

/* ---------- Pick boxes ---------- */
.pick {
  border: 1px solid var(--line); border-radius: var(--radius);
  margin: 28px 0; overflow: hidden; background: #fff;
}
.pick-head { background: #10231c; color: #fff; padding: 16px 22px; }
.pick-head .kicker { font-size: 12.5px; text-transform: uppercase; letter-spacing: .8px; color: var(--accent); font-weight: 700; }
.pick-head h3 { margin: 4px 0 0; color: #fff; font-size: 22px; }
.pick-body { padding: 20px 22px; }
.pick-body .specs { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 14px; font-size: 15px; color: var(--ink-soft); }
.pick-body .specs b { color: var(--ink); }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 16px 0; }
@media (max-width: 600px) { .pros-cons { grid-template-columns: 1fr; } }
.pros, .cons { border-radius: 10px; padding: 14px 16px; font-size: 15.5px; }
.pros { background: #ecfbf4; border: 1px solid #bfe8d2; }
.cons { background: #fdf2f2; border: 1px solid #f3c8c8; }
.pros strong, .cons strong { display: block; margin-bottom: 6px; }
.pros ul, .cons ul { margin: 0; padding-left: 18px; }
.pros li, .cons li { margin-bottom: 5px; }
.verdict { background: var(--bg-soft); border-left: 4px solid var(--brand); padding: 12px 16px; border-radius: 0 8px 8px 0; font-size: 15.5px; margin: 14px 0 18px; }
.buy-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.price-note { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--line); border-radius: var(--radius); }
table.compare { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 640px; }
table.compare th, table.compare td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); }
table.compare thead th { background: #10231c; color: #fff; font-size: 14px; white-space: nowrap; }
table.compare tbody tr:nth-child(even) { background: var(--bg-soft); }
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td:first-child { font-weight: 700; white-space: nowrap; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; background: #fff;
}
.faq summary { cursor: pointer; padding: 14px 18px; font-weight: 700; font-size: 16.5px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+ "; color: var(--brand); font-weight: 800; }
.faq details[open] summary::before { content: "– "; }
.faq .faq-a { padding: 0 18px 16px; color: var(--ink-soft); font-size: 16px; }

/* ---------- Callouts ---------- */
.callout {
  border-radius: var(--radius); padding: 18px 20px; margin: 24px 0; font-size: 16px;
}
.callout.warn { background: #fff8e6; border: 1px solid #f0d48a; }
.callout.info { background: #eef6ff; border: 1px solid #bcd8f5; }
.callout strong { display: block; margin-bottom: 4px; }
.disclaimer-box {
  background: var(--bg-soft); border: 1px dashed #b9c2cc; border-radius: var(--radius);
  padding: 16px 18px; font-size: 14px; color: var(--ink-soft); margin: 32px 0;
}

/* ---------- Footer ---------- */
.site-footer { background: #0c1a15; color: #b9c8c0; padding: 44px 0 28px; font-size: 14.5px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; margin-bottom: 28px; }
@media (max-width: 700px) { .site-footer .cols { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; margin: 0 0 10px; font-size: 15px; }
.site-footer a { color: #b9c8c0; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.footer-note { border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; font-size: 13px; color: #8fa098; }
.footer-note p { margin: 0 0 8px; }

/* ---------- Misc ---------- */
.breadcrumb { font-size: 14px; color: var(--ink-soft); margin-bottom: 14px; }
.breadcrumb a { text-decoration: none; }
.page-hero { background: var(--bg-soft); padding: 44px 0; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 36px); }
.page-hero p { margin: 0; color: var(--ink-soft); max-width: 700px; }
.narrow { max-width: 780px; margin: 0 auto; padding: 40px 20px 56px; }
.narrow h2 { margin-top: 32px; }
.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.checklist li::before { content: "✓"; position: absolute; left: 4px; color: var(--brand); font-weight: 800; }