/* ============================================================
   Prairietext — Shared Stylesheet
   Matches the aesthetic of prairietext.com/app
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --ink:        #1a1a18;
  --parchment:  #f5f0e8;
  --wheat:      #c8a96e;
  --sage:       #5a6b4f;
  --warm-gray:  #6b6560;
  --border:     #ddd8cc;
  --serif:      'Libre Baskerville', Georgia, serif;
  --sans:       'Source Sans 3', -apple-system, system-ui, sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--sans);
  background-color: var(--parchment);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Header / Nav ---- */
header {
  border-bottom: 1px solid var(--border);
}

nav {
  padding: 1.375rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--warm-gray);
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.nav-contact {
  color: var(--ink);
  font-weight: 600;
}

/* ---- Hero (homepage only) ---- */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  text-align: center;
  padding: 7rem 2rem;
  max-width: 600px;
  margin: 0 auto;
  animation: fadeIn 0.7s ease-out;
}

.hero-logo {
  width: 72px;
  height: auto;
  margin-bottom: 1.75rem;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tagline {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1.625rem;
}

.divider-rule {
  width: 40px;
  height: 1px;
  background: var(--wheat);
  margin: 0 auto 1.625rem;
}

.mission-statement {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--warm-gray);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.btn-contact {
  display: inline-block;
  padding: 0.8125rem 2.125rem;
  background-color: var(--ink);
  color: var(--parchment);
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 3px;
  transition: background-color 0.2s, color 0.2s;
}

.btn-contact:hover {
  background-color: var(--sage);
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 1.375rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.copyright {
  font-size: 0.78rem;
  color: var(--warm-gray);
  letter-spacing: 0.02em;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.78rem;
  color: var(--warm-gray);
  transition: color 0.15s;
}

.footer-nav a:hover {
  color: var(--ink);
}

/* ---- Legal Pages ---- */
.legal-page main {
  display: block;
}

.legal-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.legal-wrapper h1 {
  font-family: var(--serif);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.effective-date {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 3rem;
}

.legal-divider {
  width: 40px;
  height: 1px;
  background: var(--wheat);
  margin: 0 0 3rem 0;
  border: none;
}

.legal-wrapper h2 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.legal-wrapper p {
  font-size: 0.9375rem;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.legal-wrapper > p:first-of-type {
  font-style: italic;
  color: var(--warm-gray);
}

.legal-wrapper ul {
  margin: 0.25rem 0 1rem 1.5rem;
}

.legal-wrapper li {
  font-size: 0.9375rem;
  color: var(--ink);
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.legal-wrapper a {
  color: var(--sage);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-wrapper strong {
  font-weight: 600;
}

/* ---- Landing Pages (segment funnels) ---- */
.landing-page main {
  display: block;
}

.lp {
  max-width: 640px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
  text-align: center;
  animation: fadeIn 0.7s ease-out;
}

.lp-eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wheat);
  margin-bottom: 1rem;
}

.lp h1 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 1rem;
}

.lp h1 em {
  font-style: italic;
}

.lp-sub {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--warm-gray);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 2rem;
}

.lp-divider {
  width: 40px;
  height: 1px;
  background: var(--wheat);
  margin: 0 auto 2.5rem;
}

/* Book card */
.book-card {
  display: flex;
  gap: 1.75rem;
  text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.book-card img {
  width: 120px;
  height: auto;
  border-radius: 3px;
  flex-shrink: 0;
  object-fit: contain;
  align-self: flex-start;
}

.book-info h2 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.book-info .edition {
  font-size: 0.82rem;
  color: var(--warm-gray);
  margin-bottom: 0.5rem;
}

.book-info .author {
  font-size: 0.82rem;
  color: var(--warm-gray);
  margin-bottom: 0.75rem;
}

.book-info .price {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.book-info .format {
  font-size: 0.78rem;
  color: var(--warm-gray);
}

/* CTA buttons */
.lp-cta {
  display: inline-block;
  padding: 0.875rem 2.25rem;
  background-color: var(--ink);
  color: var(--parchment);
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  text-decoration: none;
}

.lp-cta:hover {
  background-color: var(--sage);
  border-color: var(--sage);
}

.lp-cta.secondary {
  background-color: transparent;
  color: var(--ink);
}

.lp-cta.secondary:hover {
  background-color: var(--ink);
  color: var(--parchment);
}

.lp-cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.lp-pending-note {
  font-size: 0.8rem;
  color: var(--warm-gray);
  font-style: italic;
  margin-top: -1.5rem;
  margin-bottom: 2.5rem;
}

/* Companion app callout */
.app-callout {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--warm-gray);
  line-height: 1.7;
}

.app-callout a {
  color: var(--sage);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Study-guide interest form */
.sg-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  margin-bottom: 2.5rem;
  text-align: left;
}

.sg-form h3 {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.sg-form p {
  font-size: 0.88rem;
  color: var(--warm-gray);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.sg-form .form-row {
  display: flex;
  gap: 0.75rem;
}

.sg-form input[type="email"] {
  flex: 1;
  padding: 0.7rem 0.875rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--parchment);
  color: var(--ink);
  outline: none;
}

.sg-form input[type="email"]:focus {
  border-color: var(--wheat);
}

.sg-form button {
  padding: 0.7rem 1.5rem;
  background: var(--ink);
  color: var(--parchment);
  border: none;
  border-radius: 3px;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.2s;
}

.sg-form button:hover {
  background: var(--sage);
}

.sg-form .form-note {
  font-size: 0.75rem;
  color: var(--warm-gray);
  margin-top: 0.75rem;
  font-style: italic;
}

.sg-form .form-success {
  display: none;
  font-size: 0.9rem;
  color: var(--sage);
  font-weight: 600;
  padding: 1rem 0;
}

/* Book preview */
.book-preview {
  margin-bottom: 2.5rem;
}

.book-preview h3 {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--ink);
}

.spread-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.spread-row img {
  width: 45%;
  max-width: 260px;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.15s;
}

.spread-row img:hover {
  transform: scale(1.02);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  nav,
  footer {
    padding: 1.25rem 1.5rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .hero {
    padding: 4.5rem 1.5rem;
  }

  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .book-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .book-card img {
    width: 100px;
  }

  .sg-form .form-row {
    flex-direction: column;
  }

  .spread-row {
    flex-direction: column;
    align-items: center;
  }

  .spread-row img {
    width: 80%;
  }
}