/* TeeSheet TC marketing site — shared styles. Brand green matches the app's
   seed color (#2E7D32). No framework, no build step. */
:root {
  --green: #2E7D32;
  --green-dark: #1B5E20;
  --green-light: #E8F5E9;
  --ink: #111827;
  --ink-soft: #374151;
  --muted: #6B7280;
  --line: #E5E7EB;
  --bg: #FFFFFF;
  --bg-alt: #F9FAFB;
  --radius: 12px;
  --max: 960px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --green: #66BB6A;
    --green-dark: #81C784;
    --green-light: #1B2E1C;
    --ink: #F3F4F6;
    --ink-soft: #D1D5DB;
    --muted: #9CA3AF;
    --line: #374151;
    --bg: #0F1115;
    --bg-alt: #171A21;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header / nav */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--ink); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; color: var(--green); }
.nav a { margin-left: 22px; font-size: 0.95rem; color: var(--ink-soft); }
.nav a:hover { color: var(--green); text-decoration: none; }
.nav a.cta { background: var(--green); color: #fff; padding: 8px 14px; border-radius: 999px; font-weight: 600; }
.nav a.cta:hover { background: var(--green-dark); }
@media (max-width: 600px) { .nav a:not(.cta) { display: none; } }

/* Hero */
.hero { padding: 72px 0 24px; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.1; margin: 0 0 0.4em; letter-spacing: -0.02em; }
.hero h1 span { color: var(--green); }
.hero .lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 620px; margin: 0 auto 1.8em; }
.badges { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; align-items: center; }
.badges img { height: 56px; width: auto; }
.badges a:hover { opacity: 0.9; }
.hero .fine { color: var(--muted); font-size: 0.9rem; margin-top: 1.2em; }

/* Sections */
section.block { padding: 64px 0; }
section.block.centered { padding-top: 32px; text-align: center; }
section.block.centered .sub { margin-left: auto; margin-right: auto; }
section.block.centered .grid { text-align: left; }
section.block h2 { font-size: 1.75rem; margin: 0 0 0.3em; letter-spacing: -0.01em; }
section.block .sub { color: var(--muted); margin: 0 0 2em; max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.card { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 0.4em; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; max-width: 720px; margin: 0 auto; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; background: var(--bg); }
.plan.pro { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-light); }
.plan h3 { margin: 0; font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.plan .price { font-size: 2rem; font-weight: 700; margin: 6px 0 2px; }
.plan .price small { font-size: 1rem; font-weight: 400; color: var(--muted); }
.plan ul { padding-left: 1.1em; margin: 14px 0 0; color: var(--ink-soft); }
.plan li { margin: 6px 0; }
.tag { display: inline-block; background: var(--green-light); color: var(--green-dark); font-size: 0.75rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }

/* Course directory */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar input { flex: 1 1 260px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; background: var(--bg); color: var(--ink); }
.toolbar label { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); font-size: 0.95rem; white-space: nowrap; }
table.courses { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
table.courses th, table.courses td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.courses th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
table.courses tr:hover td { background: var(--bg-alt); }
.pcc { display: inline-block; background: var(--green-light); color: var(--green-dark); font-size: 0.7rem; font-weight: 700; padding: 2px 7px; border-radius: 4px; }
.muted { color: var(--muted); }
@media (max-width: 600px) { table.courses .hide-sm { display: none; } }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--green); }

/* Simple content pages (support etc.) */
.prose { max-width: 720px; margin: 0 auto; padding: 56px 24px; }
.prose h1 { font-size: 2rem; margin-bottom: 0.3em; }
.prose h2 { font-size: 1.25rem; margin-top: 1.6em; }
.prose p, .prose li { color: var(--ink-soft); }