/* =========================================================================
   PatternLens — folha de estilo unica
   Abordagem: "editora digital / editorial clean". Tokens em :root,
   utilitarios .p-*, componentes com prefixo "pl-". Headlines em SERIF
   (cara de livro/publicacao), eyebrows e numeros em monospace discreto.
   Paleta: indigo profundo + ambar sobre branco/off-white, muito respiro.
   ========================================================================= */

/* -------------------------------------------------------------------------
   TOKENS
   ------------------------------------------------------------------------- */
:root {
  --pl-indigo: #312e81;       /* indigo profundo principal */
  --pl-indigo-deep: #1e1b4b;  /* hover / footer */
  --pl-indigo-soft: #e0e7ff;  /* wash claro */
  --pl-amber: #b45309;        /* ambar de destaque */
  --pl-amber-soft: #fef3c7;
  --pl-bg: #fafaf8;           /* off-white */
  --pl-panel: #ffffff;
  --pl-ink: #1c1b2e;          /* texto principal */
  --pl-muted: #5c5b70;        /* texto secundario */
  --pl-line: #e5e4ef;         /* hairline */
  --pl-line-2: #efeef6;

  /* Espacamento base 4px */
  --pl-1: 0.25rem; --pl-2: 0.5rem; --pl-3: 0.75rem; --pl-4: 1rem;
  --pl-5: 1.5rem; --pl-6: 2rem; --pl-7: 3rem; --pl-8: 4.5rem; --pl-9: 6.5rem;

  --pl-radius: 12px;
  --pl-radius-sm: 7px;

  --pl-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --pl-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --pl-mono: ui-monospace, "Cascadia Code", "SF Mono", "Roboto Mono", Consolas, monospace;

  --pl-max: 1080px;
}

/* -------------------------------------------------------------------------
   RESET LEVE
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--pl-sans);
  color: var(--pl-ink);
  background: var(--pl-bg);
  line-height: 1.7;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pl-indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Headlines em serif — assinatura "editora" */
h1, h2, h3, h4 {
  font-family: var(--pl-serif);
  color: var(--pl-ink);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 var(--pl-4) 0;
}
h1 { font-size: clamp(2.15rem, 4.8vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.1vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--pl-4) 0; }
ul { margin: 0 0 var(--pl-4) 0; }

/* -------------------------------------------------------------------------
   UTILITARIOS (.p-*)
   ------------------------------------------------------------------------- */
.p-wrap {
  width: 100%;
  max-width: var(--pl-max);
  margin-inline: auto;
  padding-inline: var(--pl-5);
}
.p-section { padding-block: var(--pl-8); }
.p-muted { color: var(--pl-muted); }

/* Eyebrow monospace numerado */
.p-tag {
  font-family: var(--pl-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--pl-amber);
  margin: 0 0 var(--pl-3) 0;
}

/* Cabecalho de secao centralizado */
.p-head { max-width: 640px; margin: 0 auto var(--pl-7); text-align: center; }
.p-head p { color: var(--pl-muted); margin: 0; }

.p-skip {
  position: absolute; left: -999px; top: 0;
  background: var(--pl-indigo); color: #fff;
  padding: var(--pl-3) var(--pl-4); z-index: 200;
}
.p-skip:focus { left: var(--pl-4); top: var(--pl-4); }

.p-vh {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* -------------------------------------------------------------------------
   BOTOES
   ------------------------------------------------------------------------- */
.pl-btn {
  display: inline-block;
  font-family: var(--pl-sans);
  font-size: 1rem; font-weight: 700; line-height: 1;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;                /* pill — assinatura da marca */
  border: 1.5px solid transparent;
  cursor: pointer; text-align: center;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.pl-btn:hover { text-decoration: none; }
.pl-btn--primary { background: var(--pl-indigo); color: #fff; }
.pl-btn--primary:hover { background: var(--pl-indigo-deep); }
.pl-btn--amber { background: var(--pl-amber); color: #fff; }
.pl-btn--amber:hover { background: #92400e; }
.pl-btn--ghost { background: transparent; color: var(--pl-indigo); border-color: var(--pl-indigo); }
.pl-btn--ghost:hover { background: var(--pl-indigo); color: #fff; }
.pl-btn--block { display: block; width: 100%; }
.pl-btn--big { font-size: 1.1rem; padding: 1.1rem 2.4rem; }

/* -------------------------------------------------------------------------
   ALERT — barra fina superior
   ------------------------------------------------------------------------- */
.pl-alert {
  background: var(--pl-indigo-deep);
  color: #e0e7ff;
  font-family: var(--pl-mono);
  font-size: 0.77rem;
  letter-spacing: 0.03em;
}
.pl-alert__list {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: var(--pl-5); padding-block: var(--pl-2);
  list-style: none; margin: 0;
}
.pl-alert__item::before { content: "\2726  "; color: #fbbf24; } /* estrela ✦ */

/* -------------------------------------------------------------------------
   NAV
   ------------------------------------------------------------------------- */
.pl-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 250, 248, 0.94);
  backdrop-filter: saturate(1.2) blur(6px);
  border-bottom: 1px solid var(--pl-line);
}
.pl-nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--pl-5); padding-block: var(--pl-3);
}
.pl-nav__brand { display: inline-flex; align-items: center; }
.pl-nav__brand img { height: 38px; width: auto; }
.pl-nav__menu {
  display: flex; align-items: center; gap: var(--pl-5);
  list-style: none; margin: 0; padding: 0;
}
.pl-nav__link { color: var(--pl-ink); font-weight: 600; font-size: 0.95rem; }
.pl-nav__link:hover { color: var(--pl-indigo); text-decoration: none; }
.pl-nav__actions { display: flex; align-items: center; gap: var(--pl-4); }
.pl-nav__toggle {
  display: none; background: none;
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius-sm);
  padding: 0.5rem 0.6rem; cursor: pointer; color: var(--pl-ink);
}
.pl-nav__toggle svg { display: block; }

/* -------------------------------------------------------------------------
   HERO — copy a esquerda, mockup do e-book a direita
   ------------------------------------------------------------------------- */
.pl-hero { background: var(--pl-panel); border-bottom: 1px solid var(--pl-line); }
.pl-hero__grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: var(--pl-7); align-items: center;
  padding-block: var(--pl-8);
}
.pl-hero__copy { max-width: 560px; }
.pl-hero__lead { font-size: 1.13rem; color: var(--pl-muted); margin-bottom: var(--pl-5); }
.pl-hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--pl-4); margin-bottom: var(--pl-5); }
.pl-hero__price { font-family: var(--pl-mono); font-size: 1.05rem; color: var(--pl-ink); font-weight: 600; }
.pl-hero__meta {
  font-family: var(--pl-mono); font-size: 0.8rem; color: var(--pl-muted);
  display: flex; flex-wrap: wrap; gap: var(--pl-4);
}
.pl-hero__media {
  border-radius: var(--pl-radius);
  overflow: hidden;
  background: var(--pl-indigo-soft);
  box-shadow: 0 18px 40px -18px rgba(49, 46, 129, .35);
}
.pl-hero__media img { width: 100%; height: auto; }

/* Nota de compliance no hero (pequena, honesta) */
.pl-hero__note { font-size: 0.85rem; color: var(--pl-muted); margin: var(--pl-4) 0 0; }

/* -------------------------------------------------------------------------
   CHAPTERS — "what's inside" (sumario de livro)
   ------------------------------------------------------------------------- */
.pl-chapters__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--pl-5);
}
.pl-chapter {
  display: flex; gap: var(--pl-4); align-items: flex-start;
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius);
  background: var(--pl-panel); padding: var(--pl-5);
}
.pl-chapter__no {
  flex: none;
  font-family: var(--pl-mono); font-weight: 700; font-size: 0.95rem;
  color: var(--pl-amber);
  border: 1.5px solid var(--pl-amber);
  border-radius: 50%;
  width: 2.4rem; height: 2.4rem;
  display: grid; place-items: center;
}
.pl-chapter h3 { margin-bottom: var(--pl-1); font-size: 1.12rem; }
.pl-chapter p { color: var(--pl-muted); margin: 0; font-size: 0.96rem; }

/* -------------------------------------------------------------------------
   AUDIENCE — "who it's for"
   ------------------------------------------------------------------------- */
.pl-audience { background: var(--pl-panel); border-block: 1px solid var(--pl-line); }
.pl-audience__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--pl-6); }
.pl-persona {
  text-align: center;
  padding: var(--pl-5);
  border-top: 3px solid var(--pl-indigo);
  background: var(--pl-bg);
  border-radius: 0 0 var(--pl-radius-sm) var(--pl-radius-sm);
}
.pl-persona__icon {
  width: 52px; height: 52px; margin: 0 auto var(--pl-4);
  border-radius: 50%; background: var(--pl-indigo-soft);
  display: grid; place-items: center; color: var(--pl-indigo);
}
.pl-persona__icon svg { width: 26px; height: 26px; }
.pl-persona h3 { margin-bottom: var(--pl-2); font-size: 1.1rem; }
.pl-persona p { color: var(--pl-muted); margin: 0; font-size: 0.96rem; }

/* -------------------------------------------------------------------------
   FACTS — amostra de conteudo (3 fatos estatisticos)
   ------------------------------------------------------------------------- */
.pl-facts { background: var(--pl-indigo-deep); color: #e0e7ff; }
.pl-facts .p-head h2 { color: #fff; }
.pl-facts .p-head p { color: #b6bcf0; }
.pl-facts .p-tag { color: #fbbf24; }
.pl-facts__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--pl-5); }
.pl-fact {
  border: 1px solid rgba(224, 231, 255, 0.18);
  border-radius: var(--pl-radius);
  padding: var(--pl-5);
  background: rgba(255, 255, 255, 0.04);
}
.pl-fact__stat {
  font-family: var(--pl-serif); font-size: 2rem; font-weight: 700;
  color: #fbbf24; margin-bottom: var(--pl-2); line-height: 1.1;
}
.pl-fact p { color: #c7cdf4; margin: 0; font-size: 0.96rem; }
.pl-fact__src { font-family: var(--pl-mono); font-size: 0.72rem; color: #8b93d6; margin-top: var(--pl-3); display: block; }

/* -------------------------------------------------------------------------
   VOICES — depoimentos moderados
   ------------------------------------------------------------------------- */
.pl-voices__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--pl-5); }
.pl-voice {
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius);
  background: var(--pl-panel); padding: var(--pl-5);
}
.pl-voice__quote {
  font-family: var(--pl-serif); font-size: 2rem; color: var(--pl-amber);
  line-height: 1; margin-bottom: var(--pl-2);
}
.pl-voice__text { margin: 0 0 var(--pl-3); }
.pl-voice__who { font-family: var(--pl-mono); font-size: 0.78rem; color: var(--pl-muted); }

/* -------------------------------------------------------------------------
   FAQ — accordion
   ------------------------------------------------------------------------- */
.pl-acc { max-width: 800px; margin: 0 auto; }
.pl-acc__item { border: 1px solid var(--pl-line); border-radius: var(--pl-radius-sm); background: var(--pl-panel); margin-bottom: var(--pl-3); overflow: hidden; }
.pl-acc__trigger {
  width: 100%; text-align: left; background: none; border: none;
  padding: var(--pl-4) var(--pl-5); font-family: var(--pl-sans); font-weight: 700;
  font-size: 1.03rem; color: var(--pl-ink); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--pl-4);
}
.pl-acc__sign { flex: none; font-family: var(--pl-mono); font-size: 1.4rem; color: var(--pl-indigo); transition: transform .2s ease; }
.pl-acc__trigger[aria-expanded="true"] .pl-acc__sign { transform: rotate(45deg); }
.pl-acc__panel { padding: 0 var(--pl-5); max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; }
.pl-acc__panel[data-open="true"] { max-height: 560px; padding-bottom: var(--pl-5); }
.pl-acc__panel p { margin: 0; color: var(--pl-muted); }

/* -------------------------------------------------------------------------
   BUY — bloco de compra
   ------------------------------------------------------------------------- */
.pl-buy { background: var(--pl-panel); border-block: 1px solid var(--pl-line); }
.pl-buy__card {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: var(--pl-7); align-items: center;
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius);
  background: var(--pl-bg); padding: var(--pl-6);
}
.pl-buy__media { border-radius: var(--pl-radius-sm); overflow: hidden; box-shadow: 0 12px 30px -14px rgba(49, 46, 129, .4); }
.pl-buy__price { font-family: var(--pl-mono); font-size: 2.1rem; font-weight: 700; color: var(--pl-indigo); margin: var(--pl-3) 0; }
.pl-buy__price small { font-size: 0.95rem; font-weight: 400; color: var(--pl-muted); }
.pl-buy__list { list-style: none; padding: 0; margin: 0 0 var(--pl-5); }
.pl-buy__list li { padding-left: 1.5rem; position: relative; margin-bottom: var(--pl-2); color: var(--pl-muted); }
.pl-buy__list li::before { content: "\2713"; position: absolute; left: 0; color: var(--pl-amber); font-weight: 700; }

/* Disclaimer educativo em destaque */
.pl-disclaimer {
  border: 1.5px dashed var(--pl-amber);
  border-radius: var(--pl-radius-sm);
  background: var(--pl-amber-soft);
  padding: var(--pl-4) var(--pl-5);
  font-size: 0.92rem; color: #78350f;
  margin-top: var(--pl-5);
}
.pl-disclaimer strong { color: #451a03; }
.pl-disclaimer p { margin: 0; }
.pl-disclaimer p + p { margin-top: var(--pl-2); }

/* -------------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------------- */
.pl-foot { background: var(--pl-indigo-deep); color: #c7cdf4; font-size: 0.92rem; }
.pl-foot a { color: #c7cdf4; }
.pl-foot a:hover { color: #fff; }
.pl-foot__top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--pl-6);
  padding-top: var(--pl-8); padding-bottom: var(--pl-6);
}
.pl-foot__brand img { height: 38px; margin-bottom: var(--pl-4); filter: brightness(0) invert(1); }
.pl-foot__blurb { color: #9aa2e0; max-width: 340px; }
.pl-foot__col h4 { font-family: var(--pl-sans); color: #fff; font-size: 1rem; margin-bottom: var(--pl-3); }
.pl-foot__col ul { list-style: none; padding: 0; margin: 0; }
.pl-foot__col li { margin-bottom: var(--pl-2); }
.pl-foot__legal {
  border-top: 1px solid rgba(199, 205, 244, 0.18);
  padding-block: var(--pl-5);
  color: #9aa2e0; font-size: 0.83rem;
}
.pl-foot__legal p { margin: 0 0 var(--pl-2); }
.pl-foot__18 {
  display: inline-grid; place-items: center;
  width: 2.2rem; height: 2.2rem; border: 2px solid #fbbf24; border-radius: 50%;
  font-family: var(--pl-mono); font-weight: 700; font-size: 0.78rem; color: #fbbf24;
  margin-right: var(--pl-3); vertical-align: middle;
}
.pl-foot__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--pl-3);
  padding-bottom: var(--pl-5); color: #9aa2e0; font-size: 0.83rem;
}
.pl-foot__bottom p { margin: 0; }

/* -------------------------------------------------------------------------
   CHECKOUT (/buy/)
   ------------------------------------------------------------------------- */
.pl-checkout {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--pl-7);
  align-items: start; padding-block: var(--pl-8);
}
.pl-order {
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius);
  background: var(--pl-panel); padding: var(--pl-6);
  position: sticky; top: 92px;
}
.pl-order__media { border-radius: var(--pl-radius-sm); overflow: hidden; margin-bottom: var(--pl-5); }
.pl-order__row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.98rem; padding-block: var(--pl-2);
  border-bottom: 1px solid var(--pl-line-2);
}
.pl-order__row--total { border-bottom: none; font-weight: 700; font-size: 1.15rem; }
.pl-order__row--total span:last-child { font-family: var(--pl-mono); color: var(--pl-indigo); }
.pl-seals { display: flex; flex-wrap: wrap; gap: var(--pl-2); margin-top: var(--pl-5); }
.pl-seal {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 1px solid var(--pl-line); border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-family: var(--pl-mono); font-size: 0.72rem; color: var(--pl-muted);
}
.pl-seal svg { width: 14px; height: 14px; color: var(--pl-indigo); }

.pl-form { display: flex; flex-direction: column; gap: var(--pl-4); }
.pl-form__legend {
  font-family: var(--pl-serif); font-weight: 700; font-size: 1.2rem;
  margin: var(--pl-4) 0 0;
}
.pl-field { display: flex; flex-direction: column; gap: var(--pl-2); }
.pl-field label { font-weight: 700; font-size: 0.93rem; }
.pl-field input {
  font-family: var(--pl-sans); font-size: 1rem; padding: 0.8rem 0.95rem;
  border: 1px solid var(--pl-line); border-radius: var(--pl-radius-sm);
  background: var(--pl-panel); color: var(--pl-ink); width: 100%;
}
.pl-field input:focus { outline: 2px solid var(--pl-indigo-soft); border-color: var(--pl-indigo); }
.pl-form__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--pl-4); }
.pl-form__note { font-family: var(--pl-mono); font-size: 0.76rem; color: var(--pl-muted); margin: 0; }
.pl-form__ok {
  display: none; background: var(--pl-indigo-soft); border: 1px solid var(--pl-indigo);
  color: var(--pl-indigo-deep); padding: var(--pl-4); border-radius: var(--pl-radius-sm);
}
.pl-form__ok.is-visible { display: block; }

/* -------------------------------------------------------------------------
   RESPONSIVO
   ------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .pl-foot__top { grid-template-columns: 1fr 1fr; }
  .pl-audience__grid { grid-template-columns: 1fr; gap: var(--pl-5); }
  .pl-facts__grid { grid-template-columns: 1fr; }
  .pl-voices__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .pl-nav__toggle { display: inline-flex; }
  .pl-nav__menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--pl-bg); border-bottom: 1px solid var(--pl-line);
    padding: var(--pl-4) var(--pl-5);
  }
  .pl-nav__menu.is-open { display: flex; }
  .pl-nav__menu li { width: 100%; padding-block: var(--pl-2); border-bottom: 1px solid var(--pl-line-2); }
  .pl-hero__grid { grid-template-columns: 1fr; gap: var(--pl-6); }
  .pl-hero__media { order: -1; }
  .pl-chapters__grid { grid-template-columns: 1fr; }
  .pl-buy__card { grid-template-columns: 1fr; }
  .pl-checkout { grid-template-columns: 1fr; }
  .pl-order { position: static; }
  .pl-form__cols { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .pl-foot__top { grid-template-columns: 1fr; }
  .pl-alert__list { gap: var(--pl-3); font-size: 0.71rem; }
}

/* -------------------------------------------------------------------------
   PAGINAS INTERNAS (about/contact/faq/privacy/terms/refunds)
   ------------------------------------------------------------------------- */
.pl-phead { background: var(--pl-panel); border-bottom: 1px solid var(--pl-line); padding-block: var(--pl-7); }
.pl-crumbs { font-family: var(--pl-mono); font-size: 0.78rem; color: var(--pl-muted); margin-bottom: var(--pl-3); }
.pl-crumbs a { color: var(--pl-muted); }

.pl-prose { max-width: 760px; }
.pl-prose h2 { margin-top: var(--pl-6); }
.pl-prose h3 { margin-top: var(--pl-5); }
.pl-prose ul { padding-left: var(--pl-5); }
.pl-prose li { margin-bottom: var(--pl-2); }
.pl-prose table { width: 100%; border-collapse: collapse; margin-bottom: var(--pl-5); }
.pl-prose th, .pl-prose td { text-align: left; padding: var(--pl-3); border-bottom: 1px solid var(--pl-line); }

/* Contato */
.pl-contact { display: grid; grid-template-columns: 1fr 1fr; gap: var(--pl-7); align-items: start; }
.pl-info { max-width: 480px; }
.pl-info__list { list-style: none; padding: 0; margin: 0; }
.pl-info__list li { margin-bottom: var(--pl-4); }
.pl-info__list strong { display: block; color: var(--pl-ink); }
@media (max-width: 760px) { .pl-contact { grid-template-columns: 1fr; } }

/* Complementos de footer usados nas internas */
.pl-foot__disc { color: #8c93d6; font-size: 0.79rem; max-width: 720px; }
.pl-foot__socials { display: flex; gap: var(--pl-3); margin-top: var(--pl-4); }
.pl-foot__socials a { display: inline-flex; }
.pl-foot__socials svg { width: 22px; height: 22px; fill: #9aa2e0; }
.pl-foot__socials a:hover svg { fill: #fff; }
.pl-foot__pay { display: flex; gap: var(--pl-2); flex-wrap: wrap; margin-top: var(--pl-4); }
.pl-foot__pay span {
  border: 1px solid #3b3f8a; border-radius: 4px; padding: 0.2rem 0.5rem;
  font-family: var(--pl-mono); font-size: 0.7rem; color: #9aa2e0; letter-spacing: 0.05em;
}