/* Tom Grierson — AI & Automation for Small Business
   One stylesheet shared by all pages. No web fonts, no external requests. */

:root {
  --teal: #0f6b66;
  --teal-dark: #0b524e;
  --ink: #1a1d1c;
  --ink-soft: #4a514f;
  --bg: #ffffff;
  --bg-soft: #f6f8f7;
  --border: #e2e7e5;
  --highlight: #eef5f4;
  --maxw: 1100px;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

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

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

.section { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }

main { display: block; }

/* ---------- Typography ---------- */

h1, h2, h3 { line-height: 1.2; color: var(--ink); font-weight: 700; }
h1 { font-size: 2.1rem; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; margin: 0 0 0.4em; }

p { margin: 0 0 1em; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 65ch; }
.muted { color: var(--ink-soft); }
.prose { max-width: 68ch; }
.prose p, .prose ul { max-width: 68ch; }

a { color: var(--teal); }
a:hover { color: var(--teal-dark); }

ul { padding-left: 1.2em; }
li { margin: 0.3em 0; }

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

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid var(--teal);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }

.btn-lg { padding: 16px 30px; font-size: 1.1rem; }

.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 2px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-soft); color: var(--teal-dark); border-color: var(--teal); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}
.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.wordmark:hover { color: var(--ink); }

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
}
.nav a:hover { color: var(--teal); }
.nav a.current { color: var(--ink); }
.nav a.btn, .nav a.btn:hover, .nav a.btn.current { color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--ink);
}
.nav-toggle svg { display: block; }

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav a:last-child { border-bottom: 0; }
  .nav .btn { text-align: center; margin-top: 12px; }
}

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

.hero { padding: 64px 0 40px; }
.hero h1 { font-size: 2.6rem; max-width: 16ch; }
.hero .lead { margin-bottom: 1.6em; }

@media (max-width: 560px) {
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.8rem; }
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 { margin-top: 0; }

.price {
  color: var(--teal);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.8em;
}

.card-flag {
  position: relative;
  border-color: var(--teal);
  box-shadow: 0 0 0 1px var(--teal);
}
.flag {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

/* Pain-point blocks */
.pain {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.pain h3 { margin-top: 0; color: var(--ink); }
.pain .tag {
  font-weight: 700;
  color: var(--teal);
}

/* Steps */
.steps {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  counter-reset: step;
}
.step {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 24px;
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Case studies */
.case {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.case h2 { margin-top: 0; }
.case h4 {
  margin: 1.1em 0 0.3em;
  font-size: 1rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.case p { max-width: 68ch; }

/* Callout / objection box */
.callout {
  background: var(--highlight);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.callout h2, .callout h3 { margin-top: 0; }

/* Proof strip */
.proof ul { max-width: 60ch; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--teal);
  color: #fff;
  text-align: center;
  padding: 56px 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.9); max-width: 50ch; margin-left: auto; margin-right: auto; }
.cta-band .btn {
  background: #fff;
  color: var(--teal-dark);
  border-color: #fff;
  margin-top: 8px;
}
.cta-band .btn:hover { background: var(--highlight); color: var(--teal-dark); }

/* ---------- Book page ---------- */

.book-cta {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin: 8px 0 32px;
}
.book-cta .btn { margin-top: 8px; }
.book-cta .fallback-note { font-size: 0.95rem; margin-top: 14px; margin-bottom: 0; }

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

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 40px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.site-footer strong { color: var(--ink); }
.site-footer a { color: var(--teal); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: baseline; }

/* ---------- Utilities ---------- */

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.center { text-align: center; }
.stack > * + * { margin-top: 1em; }

/* ---------- Accessibility ---------- */

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--teal);
  color: #fff;
  padding: 10px 16px;
  z-index: 50;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }