:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #1d4ed8; /* blue */
  --primary-ink: #ffffff;
  --secondary: #ffffff;
  --secondary-ink: #1d4ed8;
  --ring: #111827;
  --border: #e5e7eb;
  --radius: 14px;
  --shadow: 0 6px 16px rgba(2, 6, 23, .07);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.container { max-width: 980px; margin: 0 auto; padding: 1rem; }
.row { display: flex; gap: 1rem; }
.between { justify-content: space-between; }
.center { align-items: center; }
.stack > * + * { margin-top: .75rem; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand .site-title { margin: .5rem 0 0; font-size: 1.6rem; }
.brand .site-title span { color: var(--primary); }
.tagline { margin: 0; color: var(--muted); font-size: .95rem; }
.site-header .actions .btn { margin-left: .5rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.2rem;
  margin: 1rem 0;
}

.hero h2 { margin-top: 0; }
.bullets { padding-left: 1.2rem; margin: .5rem 0 1rem; }
.bullets li { margin: .25rem 0; }

.grid.two { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
@media (max-width: 720px) { .grid.two { grid-template-columns: 1fr; } }

.btn {
  display: inline-block;
  padding: .78rem 1rem;
  border-radius: 12px;
  border: 2px solid var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: transform .04s ease, filter .2s ease, background .2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { filter: brightness(1.05); }

.btn-secondary { background: var(--secondary); color: var(--secondary-ink); }
.btn-secondary:hover { background: #f1f5f9; }

.btn-outline { background: transparent; color: #1f2937; border-color: #94a3b8; }
.btn-link { border: none; background: transparent; color: var(--primary); padding: .25rem 0; }

.cta-stack { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }

blockquote { margin: .5rem 0; padding: .75rem 1rem; background: #f8fafc; border-left: 4px solid var(--primary); }
blockquote footer { color: var(--muted); margin-top: .25rem; }

.chat-note { color: var(--muted); margin: 0 0 .75rem; }

.site-footer { background: var(--card); border-top: 1px solid var(--border); padding: 1rem 0; margin-top: 2rem; }
.footer-links a { margin-right: 1rem; color: var(--primary); text-decoration: none; }

.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { position: static; width: auto; height: auto; padding: .5rem; background: #fff; border: 1px solid var(--border); }


/* v17.1 additions */
.sat-card .cta-stack { margin-top: .25rem; }
.carousel { position: relative; overflow: hidden; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; transition: transform .4s ease; }
.carousel-slide { opacity: 0; transform: translateX(20px); transition: opacity .3s ease, transform .3s ease; }
.carousel-slide.is-active { opacity: 1; transform: none; }
.carousel-nav { 
  position: absolute; top: 50%; transform: translateY(-50%);
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  width: 36px; height: 36px; line-height: 32px; text-align: center; font-size: 22px; cursor: pointer;
  box-shadow: var(--shadow);
}
.carousel-nav.prev { left: .5rem; }
.carousel-nav.next { right: .5rem; }
.carousel-nav:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

/* v17.5 additions */
.sat-list { list-style: none; padding: 0; margin: .25rem 0 1rem; }
.sat-list li { padding: .4rem 0; }


/* v17.6 banner sizing */
.brand .site-title { font-size: 2rem; }
.tagline { font-size: 1.05rem; }
@media (min-width: 900px) {
  .brand .site-title { font-size: 2.2rem; }
  .tagline { font-size: 1.1rem; }
}


/* v17.7 theme: light-blue cards, larger type, mobile tuning */
:root {
  --card-alt: #f0f6ff; /* light blue */
  --card-border: #dbeafe; /* light blue border */
}

.site-header { background: #ffffff; } /* keep header white */

.card {
  background: var(--card-alt);
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.08);
  font-size: 1.06rem;
  line-height: 1.7;
  padding: 1.1rem 1.25rem;
  margin: 1.1rem 0;
}

.hero h2 { font-size: 1.55rem; line-height: 1.25; }
.card h3 { font-size: 1.3rem; margin-top: .1rem; }
.card p, .card li { font-size: 1.02rem; }

.btn { padding: .9rem 1.1rem; border-radius: 14px; }

/* mobile friendliness */
@media (max-width: 720px) {
  .container { padding: .9rem; }
  .brand .site-title { font-size: 1.8rem; }
  .tagline { font-size: 1rem; }
  .site-header .actions { flex-wrap: wrap; gap: .5rem; }
  .site-header .actions .btn { flex: 1 1 auto; text-align: center; }
  .hero h2 { font-size: 1.35rem; }
  .card h3 { font-size: 1.2rem; }
  .btn { padding: .85rem 1rem; }
  .carousel-nav { width: 34px; height: 34px; line-height: 30px; }
}


/* v17.9 header & saturday spacing tweaks */

/* Stretch brand area to better balance header */
.site-header .container {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
}
.brand .site-title { font-size: 2.35rem; }
.tagline { font-size: 1.12rem; }
.site-header { padding: .35rem 0 .5rem; }
@media (max-width: 720px) {
  .brand .site-title { font-size: 1.9rem; }
  .tagline { font-size: 1.02rem; }
}

/* Tighter Free Saturdays card */
#saturday.card { padding: .85rem 1rem; }
#saturday .sat-list { margin: .2rem 0 .5rem; }
#saturday .sat-list li { padding: .22rem 0; }
#saturday p.muted { margin: .4rem 0 .6rem; }
#saturday .btn.btn-primary { margin-top: .2rem; }


/* v17.10 list layout for Saturday directions */
.sat-list li > div { margin-top: .25rem; }
.sat-list .btn-link { padding: 0; }


/* v17.11: larger card typography + assistant buttons */
.card {
  font-size: 1.12rem;
  line-height: 1.75;
}
.card h3 { font-size: 1.4rem; }
.hero h2 { font-size: 1.7rem; line-height: 1.25; }
.card p, .card li { font-size: 1.08rem; }

/* header assistant button spacing */
.site-header .actions .btn + .btn,
.site-header .actions .btn + button,
.site-header .actions button + .btn { margin-left: .5rem; }

/* mobile floating assistant pill */
.va-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 9999;
  padding: .85rem 1.1rem;
  border-radius: 999px;
  border: 2px solid var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 22px rgba(30, 58, 138, 0.3);
}
@media (min-width: 721px) {
  .va-fab { display: none; }
}


/* v17.13: unify all buttons to blue primary styling and equal sizing */
.btn {
  display: inline-block;
  padding: .9rem 1.1rem;
  border-radius: 14px;
  border: 2px solid var(--primary);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform .04s ease, filter .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-link {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover,
.btn-secondary:hover,
.btn-outline:hover,
.btn-link:hover { filter: brightness(1.05); }

/* ensure link-style buttons lose underline and match buttons */
a.btn-link { text-decoration: none; }
/* button groups spacing */
.cta-stack .btn { margin-right: .5rem; }
.cta-stack .btn:last-child { margin-right: 0; }


/* v17.14: compact button sizing to reduce visual noise */
.btn { 
  padding: .68rem .9rem; 
  border-radius: 12px; 
  font-size: .98rem;
}
.site-header .actions .btn { 
  padding: .7rem 1rem; 
  border-radius: 12px;
}
.cta-stack .btn { margin-right: .4rem; }
.va-fab { 
  padding: .7rem .9rem; 
  font-size: .95rem; 
  box-shadow: 0 5px 18px rgba(30,58,138,.25);
}


/* v17.15: compact variant for 'Get directions' */
.btn-compact {
  padding: .54rem .72rem;
  border-radius: 10px;
  font-size: .92rem;
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}


/* v17.17 — Button system: calm hierarchy */
.btn {
  display: inline-block;
  padding: .7rem 1rem;
  border-radius: 12px;
  border: 2px solid var(--primary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .04s ease, filter .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }

/* Primary (solid) */
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { filter: brightness(1.05); }

/* Secondary (outline) */
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: #eef2ff; }

/* Tertiary (text-link style) */
.btn-tertiary { 
  background: transparent; color: var(--primary); border-color: transparent; 
  padding: .35rem .25rem; border-radius: 8px;
}
.btn-tertiary:hover { background: #eef2ff; }
.btn-tertiary::after { content: " →"; }

/* Compact modifier */
.is-compact { padding: .52rem .78rem; border-radius: 10px; font-size: .95rem; }

/* Ensure header buttons align nicely */
.site-header .actions .btn + .btn, .site-header .actions .btn + button { margin-left: .5rem; }