/* ==========================================================================
   Lainey Bishop — laineybishop.com
   Paleta amostrada da capa de The Way Back to Kettle Cove.
   Contrastes verificados em WCAG 2.1 (todos AAA).
   ========================================================================== */

:root {
  --rust:  #5B0709;  /* lettering do título da capa */
  --cream: #FAF3E8;  /* céu iluminado */
  --sand:  #F2E0C8;  /* nuvens do pôr do sol */
  --ink:   #3D2B24;  /* telhas de madeira */
  --ember: #8F3A16;  /* pôr do sol */
  --dusk:  #2A1A14;  /* água ao entardecer */
  --gold:  #E8B577;  /* janelas acesas */

  --bg:        var(--cream);
  --bg-alt:    var(--sand);
  --text:      var(--ink);
  --text-soft: #6B5044;
  --heading:   var(--rust);
  --accent:    var(--ember);
  --rule:      #E0CDB4;

  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --measure: 34rem;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        var(--dusk);
    --bg-alt:    #1E110C;
    --text:      #EFE2D2;
    --text-soft: #C3A68F;
    --heading:   var(--gold);
    --accent:    var(--gold);
    --rule:      #473126;
  }
}
:root[data-theme="dark"] {
  --bg:        var(--dusk);
  --bg-alt:    #1E110C;
  --text:      #EFE2D2;
  --text-soft: #C3A68F;
  --heading:   var(--gold);
  --accent:    var(--gold);
  --rule:      #473126;
}

/* --------------------------------------------------------------- base --- */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--serif);
  color: var(--heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--heading); }

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

.wrap {
  width: 100%;
  max-width: 62rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(3.5rem, 9vw, 6.5rem); }
.section--alt { background: var(--bg-alt); }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 1.5rem;
}

/* -------------------------------------------------------------- button --- */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.85em 1.6em;
  border-radius: 2px;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary {
  background: var(--rust);
  border-color: var(--rust);
  color: var(--cream);
}
.btn--primary:hover { background: var(--ember); border-color: var(--ember); color: #fff; }

.btn--ghost {
  background: transparent;
  border-color: currentColor;
  color: var(--heading);
}
.btn--ghost:hover { background: var(--heading); color: var(--bg); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* -------------------------------------------------------------- header --- */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1rem;
}
.brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
}
.site-nav a { color: var(--text); text-decoration: none; }
.site-nav a:hover { color: var(--accent); text-decoration: underline; }

/* ---------------------------------------------------------------- hero --- */

.hero { padding-block: clamp(3.5rem, 10vw, 7rem); text-align: center; }
.hero h1 {
  font-size: clamp(2.75rem, 9vw, 4.75rem);
  margin-bottom: 0.35em;
}
.hero .tagline {
  font-family: var(--sans);
  font-size: clamp(0.95rem, 2.4vw, 1.0625rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}
.hero .lede {
  max-width: var(--measure);
  margin-inline: auto;
  font-size: 1.125rem;
  color: var(--text);
}
.hero .mood {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1875rem;
  color: var(--text-soft);
  margin-top: 1.75rem;
}
.hero .btn-row { justify-content: center; }

/* ---------------------------------------------------------------- book --- */

.book-grid {
  display: grid;
  grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.book-cover img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 0 1.5rem 3rem -1rem rgba(42, 26, 20, .45);
}
.book-title { font-size: clamp(1.875rem, 4.5vw, 2.5rem); margin-bottom: 0.15em; }
.book-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--text-soft);
  margin: 0 0 0.35rem;
}
.book-series {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 1.75rem;
}
.blurb { max-width: var(--measure); }
.blurb .beat {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--heading);
  margin: 1.5rem 0;
}
.blurb .pitch {
  font-style: italic;
  color: var(--text-soft);
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  margin-top: 1.75rem;
}
.fineprint { font-size: 0.875rem; color: var(--text-soft); margin-top: 0.85rem; }

/* --------------------------------------------------------------- about --- */

.about { max-width: var(--measure); }
.about h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); }

/* ---------------------------------------------------------- newsletter --- */

.letter {
  background: var(--dusk);
  color: #EFE2D2;
  text-align: center;
}
.letter h2 { color: var(--gold); font-size: clamp(2rem, 6vw, 3rem); }
.letter .eyebrow { color: var(--gold); opacity: .85; }
.letter p { max-width: var(--measure); margin-inline: auto; }
.letter .offer {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1875rem;
  color: var(--gold);
  margin-top: 1.5rem;
}

/* ---------------------------------------------------- formulário do Kit ---
   O CSS do Kit vem inline dentro do <body> e, por ordem de cascata, vence
   qualquer regra deste arquivo com a mesma especificidade. Por isso as regras
   abaixo usam !important de propósito — não é preguiça.
   Elas miram as classes .formkit-*, não o id do formulário: se você trocar o
   formulário no Kit, este bloco continua funcionando sem alteração.
   -------------------------------------------------------------------------- */

.letter .formkit-form {
  max-width: 30rem !important;
  margin: 2rem auto 0 !important;
}
.letter .formkit-form [data-style="clean"] { padding: 0 !important; }

.letter .formkit-input {
  font-family: var(--sans) !important;
  font-size: 1rem !important;
  line-height: 1.4 !important;
  padding: 0.85em 1em !important;
  background: #1E110C !important;
  color: #EFE2D2 !important;
  border: 1.5px solid #5A3F31 !important;
  border-radius: 2px !important;
}
.letter .formkit-input::placeholder { color: #9C8270 !important; opacity: 1 !important; }
.letter .formkit-input:focus {
  border-color: var(--gold) !important;
  outline: 2px solid var(--gold) !important;
  outline-offset: 1px !important;
}

.letter .formkit-submit {
  font-family: var(--sans) !important;
  font-size: 0.9375rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  background-color: var(--gold) !important;
  color: var(--dusk) !important;
  border-radius: 2px !important;
  margin-bottom: 0 !important;
}
.letter .formkit-submit > span { padding: 0.85em 1.6em !important; }
.letter .formkit-submit:hover > span,
.letter .formkit-submit:focus > span { background-color: rgba(42, 26, 20, .18) !important; }
.letter .formkit-submit:focus-visible { outline: 2px solid var(--cream) !important; outline-offset: 2px !important; }

.letter .formkit-alert { margin: 0 0 1rem !important; border-radius: 2px !important; }
.letter .formkit-alert-error {
  background: #3A1A12 !important;
  border-color: #C2562F !important;
  color: #F3B69D !important;
}
.letter .formkit-alert-success {
  background: #1E110C !important;
  border-color: var(--gold) !important;
  color: var(--gold) !important;
}

/* selo "Built with Kit" — exigido no plano gratuito; fica discreto */
.letter .formkit-powered-by-convertkit-container { margin: 0.75rem 0 0 !important; }
.letter .formkit-powered-by-convertkit { opacity: .4 !important; }
.letter .formkit-powered-by-convertkit:hover,
.letter .formkit-powered-by-convertkit:focus { opacity: .85 !important; }

.letter .smallprint {
  font-size: 0.8125rem;
  color: #C3A68F;
  margin-top: 1.25rem;
}

/* ------------------------------------------- páginas internas (welcome) --- */

.page { max-width: var(--measure); margin-inline: auto; }
.page-title { font-size: clamp(2.5rem, 8vw, 3.75rem); }
.page-sub {
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  margin-top: 2.5rem;
}
.page .lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--text-soft);
  margin-bottom: 1.75rem;
}
.page .signoff {
  font-family: var(--serif);
  font-size: 1.125rem;
  color: var(--heading);
  margin-top: 2.5rem;
}

.note {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  padding: 1.1rem 1.25rem;
  margin: 2rem 0;
  font-size: 0.9375rem;
}
.note p { margin: 0; }
.note .sender { font-weight: 600; color: var(--heading); word-break: break-word; }

.gift {
  background: var(--dusk);
  color: #EFE2D2;
  padding: 1.75rem;
  border-radius: 2px;
  margin: 2.5rem 0;
}
.gift-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.gift-body { color: #EFE2D2; }
.gift .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--dusk);
  margin-top: 0.5rem;
}
.gift .btn--primary:hover { background: #F3C98E; border-color: #F3C98E; color: var(--dusk); }

/* -------------------------------------------------------------- footer --- */

.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-soft);
}
.site-footer .brand-line {
  font-family: var(--serif);
  font-size: 1.0625rem;
  color: var(--heading);
  margin-bottom: 0.9rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  justify-content: center;
  margin-bottom: 1.1rem;
}
.footer-nav a { color: var(--text-soft); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); text-decoration: underline; }

/* -------------------------------------------------------------- mobile --- */

@media (max-width: 46rem) {
  .book-grid { grid-template-columns: 1fr; justify-items: center; text-align: left; }
  .book-cover { max-width: 15rem; }
  .site-nav { gap: 1.1rem; }
}

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