/*
  SeymourPills.com shared stylesheet.
  Palette locked to the app (architecture.md): #1FA36B green, #BFE3D0 pale tint, #FFFFFF.
  Theme-aware (light default, dark via prefers-color-scheme). No !important anywhere
  (CLAUDE.md CSS rule). Self-hosted only; no web fonts, no CDNs.
*/

:root {
  --green: #1FA36B;
  --green-dark: #17805380;   /* used only inside color-mix fallbacks below */
  --pale: #BFE3D0;
  --ink: #1b2620;
  --muted: #55645c;
  --bg: #ffffff;
  --card: #f4f9f6;
  --border: #dfe8e3;
  --link: #147a50;
  --shadow: 0 1px 3px rgba(27, 38, 32, 0.08), 0 8px 24px rgba(27, 38, 32, 0.06);
  --radius: 16px;
  --maxw: 780px;
  --wide: 1080px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f1eb;
    --muted: #9db0a6;
    --bg: #0f1613;
    --card: #16211c;
    --border: #26332c;
    --link: #4fc394;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---- Layout ---- */

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.wrap-wide { max-width: var(--wide); }

/* ---- Header / nav ---- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  max-width: var(--wide);
  margin: 0 auto;
  flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img.wordmark { height: 34px; width: auto; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 16px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* ---- Hero ---- */

.hero {
  text-align: center;
  padding: 56px 20px 40px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero img.app-icon {
  width: 108px;
  height: 108px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  margin: 24px 0 12px;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--muted);
  margin: 0 auto 28px;
  max-width: 34ch;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: #1b8f5e; text-decoration: none; color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--green); text-decoration: none; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- Sections ---- */

section { padding: 40px 0; }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -0.01em; margin: 0 0 20px; }
h3 { font-size: 1.25rem; margin: 28px 0 8px; }

.lede { font-size: 1.2rem; color: var(--muted); }

/* ---- Feature grid ---- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.feature h3 { margin-top: 0; display: flex; align-items: center; gap: 10px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--pale);
  border-radius: 6px;
  padding: 2px 8px;
  vertical-align: middle;
}
@media (prefers-color-scheme: dark) {
  .badge { color: #0f1613; }
}

/* ---- Privacy pledge strip ---- */

.pledge {
  background: var(--green);
  color: #fff;
  text-align: center;
  border-radius: var(--radius);
  padding: 36px 24px;
  /* Extra breathing room below the green band so the next section's heading
     ("Free, and it stays free") does not crowd against it. */
  margin-bottom: 24px;
}
.pledge h2 { color: #fff; }
.pledge p { color: #eafaf2; max-width: 52ch; margin: 0 auto; font-size: 1.1rem; }

/* ---- Article / prose ---- */

.article { max-width: var(--maxw); margin: 0 auto; padding: 32px 20px 8px; }
.article header h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.15; margin: 8px 0 12px; }
.article .meta { color: var(--muted); font-size: 15px; margin-bottom: 8px; }
.article-body h2 { margin-top: 40px; }
.article-body ol, .article-body ul { padding-left: 1.3em; }
.article-body li { margin: 10px 0; }
.article-body p { margin: 16px 0; }

.answer-box {
  background: var(--card);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
}
.answer-box p { margin: 0; }

.callout {
  background: var(--pale);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
  color: #143a29;
}
.callout strong { color: #0f2c1f; }

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 18px;
  margin: 12px 0;
  background: var(--card);
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  padding: 14px 0;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq details p { color: var(--muted); }

/* ---- Article list (how-to hub) ---- */

.card-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.card-list a.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--ink);
}
.card-list a.card:hover { border-color: var(--green); text-decoration: none; }
.card-list .card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card-list .card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 32px 20px;
  color: var(--muted);
  font-size: 15px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

.disclaimer {
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 20px;
  line-height: 1.5;
}

/* ---- Skip link (accessibility) ---- */
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px;
  top: 12px;
  background: var(--green);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 10;
}