/* Doc Chaser WTP funnel - minimal single-column, mobile-first.
   Tokens per design system: near-black text, white bg, one teal accent.
   All contrast pairs meet WCAG AA (4.5:1+). */

:root {
  --color-fg: #171717;
  --color-fg-soft: #404040;
  --color-bg: #ffffff;
  --color-muted: #f4f6f8;
  --color-border: #e5e5e5;
  --color-accent: #0f766e;        /* teal-700: 4.8:1 on white */
  --color-accent-strong: #115e59; /* hover */
  --color-error: #b91c1c;
  --color-ok: #15803d;
  --radius: 10px;
  --space: 1rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* ---------- Hero ---------- */
.hero { padding: 2.5rem 0 1.5rem; }

.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 1rem;
}

.sub {
  font-size: 1.125rem;
  color: var(--color-fg-soft);
  margin: 0 0 1.75rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  min-height: 44px;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: background-color 200ms ease-out, border-color 200ms ease-out, color 200ms ease-out;
}
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.btn-primary { background: var(--color-accent); color: #ffffff; }
.btn-primary:hover { background: var(--color-accent-strong); }

.btn-secondary { background: var(--color-fg); color: #ffffff; }
.btn-secondary:hover { background: #000000; }
.btn-secondary[disabled] { opacity: 0.5; cursor: default; }

.btn-ghost { background: transparent; color: var(--color-fg); border-color: var(--color-border); }
.btn-ghost:hover { border-color: var(--color-fg-soft); }

.btn-block { display: block; width: 100%; }

/* ---------- Features ---------- */
.features { padding: 2rem 0 0.5rem; }

h2 { font-size: 1.5rem; margin: 0 0 1.25rem; }

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.feature-list .icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--color-muted);
  color: var(--color-accent);
}

.feature-list h3 { margin: 0 0 0.25rem; font-size: 1.05rem; }
.feature-list p { margin: 0; color: var(--color-fg-soft); }

/* ---------- Honesty strip ---------- */
.honesty {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  background: var(--color-muted);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.honesty p { margin: 0; color: var(--color-fg-soft); font-size: 0.95rem; }

/* ---------- Pricing ---------- */
.pricing { padding: 1rem 0; }

.price-card {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-muted);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  margin: 0 0 1rem;
}

.price { margin: 0; }
.price .amount { font-size: 3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.price .per { font-size: 1.1rem; color: var(--color-fg-soft); margin-left: 0.15rem; }

.price-note { margin: 0.25rem 0 1.25rem; font-weight: 600; }

.included {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.included li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--color-fg-soft);
}
.included li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.9rem;
  height: 0.5rem;
  border-left: 2.5px solid var(--color-accent);
  border-bottom: 2.5px solid var(--color-accent);
  transform: rotate(-45deg);
}

.anchor {
  font-size: 0.9rem;
  color: var(--color-fg-soft);
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  margin: 0 0 1.25rem;
}

.fine-left { text-align: left !important; margin-top: 0.6rem; }

.fine {
  font-size: 0.85rem;
  color: var(--color-fg-soft);
  text-align: center;
  margin: 0.75rem 0 0;
}

/* ---------- Overview / email capture ---------- */
.overview { padding: 2rem 0 1rem; }
.overview > p { color: var(--color-fg-soft); margin: 0 0 1.25rem; }

label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; }

.form-row { display: flex; flex-direction: column; gap: 0.6rem; }

input[type="email"] {
  min-height: 44px;
  padding: 0.6rem 0.9rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  width: 100%;
}
input[type="email"]:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 1px; border-color: var(--color-accent); }

.form-msg { min-height: 1.4em; margin: 0.5rem 0 0; font-size: 0.95rem; }
.form-msg.ok { color: var(--color-ok); font-weight: 600; }
.form-msg.err { color: var(--color-error); font-weight: 600; }

/* ---------- Footer ---------- */
.footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-fg-soft);
}
.footer p { margin: 0; }

/* ---------- >= 640px ---------- */
@media (min-width: 640px) {
  .page { padding-top: 3rem; }
  .hero { padding-top: 3.5rem; }
  .form-row { flex-direction: row; }
  .form-row input[type="email"] { flex: 1 1 auto; }
  .form-row .btn { flex: 0 0 auto; }
  .price-card { padding: 2rem 2.25rem; }
}