/* Brazos Valley Bike Co-op - shared stylesheet (all pages) */
:root {
  --maroon: #500000;
  --maroon-dark: #3a0000;
  --ink: #222;
  --muted: #5a5a5a;
  --bg: #fafafa;
  --card: #ffffff;
  --border: #ddd;
  --radius: 8px;
  --max: 1100px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

a { color: var(--maroon); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- Header / navigation ---------- */
.site-header { background: var(--maroon); color: #fff; }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; flex-wrap: wrap;
}
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.nav-toggle {
  display: none; background: none; border: 1px solid #fff; color: #fff;
  border-radius: 4px; padding: .35rem .7rem; font-size: 1rem; cursor: pointer;
}
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.site-nav a {
  color: #fff; text-decoration: none; padding: .5rem .8rem; border-radius: 4px; display: block;
}
.site-nav a:hover, .site-nav a:focus { background: var(--maroon-dark); }
.site-nav a[aria-current="page"] { background: #fff; color: var(--maroon); font-weight: 600; }

/* ---------- Page sections ---------- */
.hero { background: #fff; border-bottom: 1px solid var(--border); padding: 2.5rem 0; }
.hero .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }
.hero h1 { margin-top: 0; font-size: 2rem; line-height: 1.2; }
.lead { font-size: 1.1rem; color: var(--muted); }

main { padding: 2rem 0 3rem; }
h1, h2, h3 { line-height: 1.25; }

.btn {
  display: inline-block; background: var(--maroon); color: #fff; text-decoration: none;
  padding: .6rem 1.1rem; border-radius: var(--radius); border: none; font-size: 1rem; cursor: pointer;
}
.btn:hover, .btn:focus { background: var(--maroon-dark); }
.btn.secondary { background: #fff; color: var(--maroon); border: 1px solid var(--maroon); }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem;
}
.card h3 { margin-top: 0; }
.card img { border-radius: 6px; margin-bottom: .75rem; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: .6rem .75rem; border-bottom: 1px solid var(--border); }
th { background: #f1e9e9; }

/* ---------- Forms / estimator ---------- */
form .field { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: .25rem; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%; padding: .55rem; border: 1px solid #bbb; border-radius: 6px; font: inherit;
}
.checkbox-row label { display: inline; font-weight: normal; margin-left: .35rem; }
.error-msg { color: #b00020; font-size: .9rem; min-height: 1.2em; }
.notice { padding: .9rem 1rem; border-radius: var(--radius); background: #e8f4ea; border: 1px solid #9fcca8; }
.estimate-total { font-size: 1.4rem; font-weight: 700; color: var(--maroon); }

/* ---------- Gallery filter ---------- */
.filter-bar { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filter-bar button[aria-pressed="true"] { background: var(--maroon); color: #fff; }
.hidden { display: none !important; }

/* ---------- Footer ---------- */
.site-footer { background: #eee; border-top: 1px solid var(--border); padding: 1.25rem 0; font-size: .9rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .hero .container, .grid, .grid.two { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .site-nav { width: 100%; display: none; padding-bottom: .75rem; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; }
}