/* ============================================================
   PRISMA · Ebook — Posicionamento
   ============================================================ */

:root {
  --c-bg:      #0D0D0D;
  --c-bg-2:    #141414;
  --c-stroke:  #3D3D3D;
  --c-muted:   #A4A4A4;
  --c-muted-2: #B1B1B1;
  --c-white:   #FFFFFF;
  --c-amber:   #D4A24C;
  --c-cream:   #E8DFCC;

  --f-serif:   'Libre Baskerville', 'Baskerville', 'Hoefler Text', Garamond, serif;
  --f-sans:    'Helvetica Now Display', 'Helvetica Neue', Arial, sans-serif;
  --f-script:  'Sloop', 'Snell Roundhand', 'Apple Chancery', cursive;

  --col:       min(92vw, 720px);
  --col-wide:  min(94vw, 920px);

  --fs-body:   clamp(1rem, 1.15vw, 1.125rem);
  --fs-lead:   clamp(1.125rem, 1.4vw, 1.375rem);
  --fs-h1:     clamp(2.25rem, 6vw, 5rem);
  --fs-h2:     clamp(1.875rem, 3.6vw, 3rem);
  --fs-h3:     clamp(1.375rem, 2vw, 1.75rem);
  --fs-h4:     clamp(1.125rem, 1.4vw, 1.25rem);
  --fs-cover:  clamp(2.75rem, 7vw, 6rem);
  --fs-chapter-num: clamp(0.75rem, 1vw, 0.875rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-white);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-amber); text-decoration: none; border-bottom: 1px solid rgba(212,162,76,0.4); transition: border-color 0.2s; }
a:hover { border-color: var(--c-amber); }
::selection { background: var(--c-cream); color: var(--c-bg); }

/* -------- Layout primitives -------- */
.page { padding: clamp(2rem, 6vw, 5rem) 0; }
.col {
  width: var(--col);
  margin: 0 auto;
  padding: 0 clamp(1rem, 2vw, 2rem);
}
.col--wide { width: var(--col-wide); }

/* -------- Typography -------- */
h1, h2, h3, h4 {
  font-family: var(--f-serif);
  font-weight: 400;
  color: var(--c-white);
  line-height: 1.05;
  letter-spacing: -0.005em;
  margin: 0;
}
h2 { font-size: var(--fs-h2); margin: 0 0 1.5rem; }
h3 { font-size: var(--fs-h3); margin: 2.5rem 0 1rem; line-height: 1.2; }
h4 { font-size: var(--fs-h4); margin: 1.75rem 0 0.75rem; font-family: var(--f-sans); font-weight: 700; color: var(--c-white); letter-spacing: 0; }

p { margin: 0 0 1.1rem; color: var(--c-muted-2); font-size: var(--fs-body); line-height: 1.7; }
p strong, p b { color: var(--c-white); font-weight: 700; }
p em, p i { color: var(--c-cream); }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--c-white);
  font-family: var(--f-serif);
  font-style: italic;
}

ul, ol { color: var(--c-muted-2); padding-left: 1.4rem; line-height: 1.7; margin: 0 0 1.2rem; }
ul li, ol li { margin-bottom: 0.5rem; }
ul li::marker { color: var(--c-amber); }

blockquote {
  margin: 2rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--c-amber);
  font-family: var(--f-serif);
  font-style: italic;
  color: var(--c-white);
  font-size: var(--fs-lead);
  line-height: 1.45;
}

hr.rule {
  border: 0;
  border-top: 1px solid var(--c-stroke);
  margin: 3rem auto;
  width: 60%;
}

.eyebrow {
  font-family: var(--f-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--c-muted);
  margin: 0 0 1.5rem;
  font-weight: 500;
}

.script-accent {
  font-family: var(--f-script);
  font-style: italic;
  color: var(--c-amber);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
}

/* -------- Cover -------- */
.cover {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 5vw, 4rem) 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top right, rgba(212,162,76,0.08), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(232,223,204,0.04), transparent 50%),
    var(--c-bg);
}
.cover__top, .cover__bottom {
  width: var(--col-wide);
  margin: 0 auto;
  padding: 0 clamp(1rem, 2vw, 2rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--c-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.cover__brand { font-weight: 700; color: var(--c-white); letter-spacing: 0.2em; }
.cover__center {
  width: var(--col-wide);
  margin: 0 auto;
  padding: 0 clamp(1rem, 2vw, 2rem);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.cover__kicker {
  font-family: var(--f-sans);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin: 0;
}
.cover__title {
  font-family: var(--f-serif);
  font-size: var(--fs-cover);
  line-height: 0.98;
  color: var(--c-white);
  font-weight: 400;
  margin: 0;
  max-width: 18ch;
}
.cover__title em { font-style: italic; color: var(--c-cream); }
.cover__sub {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.125rem, 1.6vw, 1.5rem);
  color: var(--c-muted-2);
  line-height: 1.4;
  max-width: 56ch;
  margin: 0;
}
.cover__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1rem;
}
.cover__pillar {
  flex: 1 1 200px;
  border-top: 1px solid var(--c-stroke);
  padding-top: 1rem;
  font-family: var(--f-sans);
  font-size: 0.85rem;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}
.cover__pillar strong { display: block; color: var(--c-white); font-family: var(--f-serif); font-size: 1.25rem; font-weight: 400; margin-bottom: 0.3rem; letter-spacing: 0; }

/* -------- TOC -------- */
.toc { background: var(--c-bg); }
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}
.toc li {
  counter-increment: toc;
  border-top: 1px solid var(--c-stroke);
  padding: 1.1rem 0;
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
}
.toc li:last-child { border-bottom: 1px solid var(--c-stroke); }
.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--f-sans);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--c-amber);
  min-width: 2.5rem;
}
.toc a {
  flex: 1;
  font-family: var(--f-serif);
  font-size: clamp(1.1rem, 1.6vw, 1.5rem);
  color: var(--c-white);
  border: 0;
  line-height: 1.3;
}
.toc a:hover { color: var(--c-amber); }

/* -------- Chapter -------- */
.chapter { padding: clamp(3rem, 8vw, 6rem) 0; border-top: 1px solid rgba(61,61,61,0.5); }
.chapter__num {
  font-family: var(--f-sans);
  font-size: var(--fs-chapter-num);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin: 0 0 1.5rem;
}
.chapter__title {
  font-family: var(--f-serif);
  font-size: var(--fs-h1);
  line-height: 1;
  font-weight: 400;
  margin: 0 0 2.5rem;
  max-width: 14ch;
  color: var(--c-white);
}
.chapter__lead {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--c-cream);
  margin: 0 0 2.5rem;
  max-width: 38ch;
}

/* -------- Callout -------- */
.callout {
  background: var(--c-bg-2);
  border: 1px solid var(--c-stroke);
  border-radius: 12px;
  padding: clamp(1.25rem, 2vw, 2rem);
  margin: 2rem 0;
}
.callout__label {
  font-family: var(--f-sans);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 0.75rem;
}
.callout p:last-child { margin-bottom: 0; }

/* -------- Tabela ICP -------- */
.icp {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.95rem;
}
.icp th, .icp td {
  text-align: left;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--c-stroke);
  vertical-align: top;
}
.icp th {
  font-family: var(--f-serif);
  font-style: italic;
  color: var(--c-amber);
  font-weight: 400;
  font-size: 1.05rem;
  white-space: nowrap;
  width: 110px;
}
.icp td { color: var(--c-muted-2); line-height: 1.55; }

/* -------- Equação destacada -------- */
.equation {
  margin: 2rem auto;
  padding: 1.75rem;
  background: linear-gradient(180deg, rgba(212,162,76,0.08), transparent);
  border-top: 1px solid var(--c-amber);
  border-bottom: 1px solid var(--c-amber);
  text-align: center;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  color: var(--c-white);
  line-height: 1.4;
}
.equation strong { font-family: var(--f-sans); font-style: normal; color: var(--c-amber); font-weight: 500; }

/* -------- Modelos / Cards -------- */
.models { display: grid; grid-template-columns: 1fr; gap: 1rem; margin: 2rem 0; }
.model {
  background: var(--c-bg-2);
  border: 1px solid var(--c-stroke);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
}
.model__tag {
  font-family: var(--f-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 0.5rem;
}
.model__line {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--c-white);
  line-height: 1.5;
  margin: 0;
}

/* -------- Plano 7 dias -------- */
.plan { counter-reset: day; margin: 2rem 0; }
.plan__day {
  counter-increment: day;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(61,61,61,0.5);
  align-items: baseline;
}
.plan__day::before {
  content: "Dia " counter(day);
  font-family: var(--f-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-amber);
}
.plan__day strong { color: var(--c-white); font-weight: 500; font-family: var(--f-serif); font-style: italic; font-size: 1.1rem; display: block; margin-bottom: 0.25rem; }
.plan__day p { margin: 0; color: var(--c-muted-2); font-size: 0.95rem; }

/* -------- CTA final -------- */
.cta {
  padding: clamp(4rem, 10vw, 8rem) 0;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(212,162,76,0.12), transparent 60%),
    var(--c-bg);
  border-top: 1px solid var(--c-stroke);
}
.cta__inner {
  width: var(--col);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cta__script {
  font-family: var(--f-script);
  font-style: italic;
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--c-amber);
  line-height: 1;
  margin: 0 0 1rem;
}
.cta__title {
  font-family: var(--f-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--c-white);
  line-height: 1.1;
  margin: 0 0 1.5rem;
}
.cta__body {
  font-size: var(--fs-body);
  color: var(--c-muted-2);
  max-width: 50ch;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}
.cta__btn {
  display: inline-block;
  background: var(--c-white);
  color: var(--c-bg);
  font-family: var(--f-sans);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  text-transform: uppercase;
  padding: 1rem 2.25rem;
  border-radius: 4px;
  border: 0;
  transition: transform 0.2s, opacity 0.2s;
}
.cta__btn:hover { transform: translateY(-2px); opacity: 0.95; }
.cta__meta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}
.cta__meta a { color: var(--c-muted); }
.cta__meta a:hover { color: var(--c-white); }

/* -------- Footer -------- */
.foot {
  padding: 2rem 0;
  border-top: 1px solid var(--c-stroke);
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* -------- Diagnostic list -------- */
.diagnostic {
  background: var(--c-bg-2);
  border-left: 3px solid var(--c-amber);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  border-radius: 0 8px 8px 0;
}
.diagnostic__label {
  font-family: var(--f-sans);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 0.75rem;
}
.diagnostic ol, .diagnostic ul { margin: 0; padding-left: 1.2rem; }
.diagnostic li { color: var(--c-white); font-style: italic; font-family: var(--f-serif); font-size: 1.05rem; line-height: 1.5; }

/* -------- Figure (illustration) -------- */
.figure {
  margin: 2.5rem auto;
  padding: 1.5rem;
  background: var(--c-cream);
  border-radius: 14px;
  text-align: center;
}
.figure img {
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 0 auto;
  display: block;
  border-radius: 4px;
}
.figure figcaption {
  margin-top: 1rem;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--c-bg);
  opacity: 0.7;
}
.figure figcaption em { color: var(--c-bg); }

/* -------- Print / PDF (A5 mobile-friendly) -------- */
@page {
  size: A5 portrait;
  margin: 14mm 14mm 16mm;
}
@page :first { margin: 0; }

@media print {
  :root {
    --fs-body: 10.5pt;
    --fs-lead: 12pt;
    --fs-h1:   28pt;
    --fs-h2:   20pt;
    --fs-h3:   13pt;
    --fs-h4:   11pt;
    --fs-cover:30pt;
    --fs-chapter-num: 8pt;
  }

  html, body {
    background: #FFFFFF !important;
    color: #1A1A1A !important;
    font-size: 10.5pt;
    line-height: 1.5;
  }

  /* hide nothing — flatten dark theme to print theme */
  h1, h2, h3, h4, .cover__title, .chapter__title, .cover__brand, blockquote {
    color: #0D0D0D !important;
  }
  p, li, .toc a, .pillar__content, .footer__legal, .footer__about { color: #2A2A2A !important; }
  .eyebrow, .chapter__num, .cover__kicker, .cta__script, .script-accent,
  .cover__pillar strong, .model__tag, .callout__label, .diagnostic__label,
  .toc li::before, .plan__day::before, .icp th {
    color: #8C5A2B !important;
  }
  .chapter__lead, .lead, em, i { color: #4A3520 !important; }

  /* Backgrounds & borders → light */
  .callout, .model, .icp tr, .diagnostic, .equation {
    background: #FAF7F0 !important;
    border-color: #D9CFB8 !important;
  }
  .figure { background: #FAF7F0 !important; }
  .figure figcaption, .figure figcaption em { color: #4A3520 !important; }
  hr.rule, .toc li, .plan__day, .icp th, .icp td {
    border-color: #D9CFB8 !important;
  }
  .diagnostic { border-left: 3px solid #8C5A2B !important; }
  blockquote { border-left-color: #8C5A2B !important; }
  .equation { border-color: #8C5A2B !important; }
  a { color: #8C5A2B !important; border: 0 !important; }

  /* Cover full page */
  .cover {
    min-height: auto;
    height: 100vh;
    page-break-after: always;
    background: #FAF7F0 !important;
    padding: 14mm !important;
    color-adjust: exact;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .cover__top, .cover__bottom, .cover__center { width: 100% !important; padding: 0 !important; }

  /* Page breaks */
  .toc, .chapter, .cta { page-break-before: always; }
  .chapter { padding: 8mm 0 !important; border-top: 0 !important; }
  .chapter__title { margin-bottom: 6mm !important; line-height: 1; }
  .chapter__lead { margin-bottom: 6mm !important; }
  .figure, .callout, .model, .icp, .equation, .diagnostic, blockquote {
    page-break-inside: avoid;
  }
  h2, h3, h4 { page-break-after: avoid; }
  p { orphans: 3; widows: 3; }
  .figure img { max-width: 100%; }
  .col, .col--wide { width: 100% !important; padding: 0 !important; }

  /* Hide noise that doesn't translate well */
  .foot { display: none; }

  /* Ensure background colors render */
  * {
    color-adjust: exact !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
}

/* -------- Responsive -------- */
@media (max-width: 640px) {
  .cover__top, .cover__bottom { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .cover__pillars { flex-direction: column; gap: 0.75rem; }
  .icp th, .icp td { padding: 0.75rem 0.5rem; }
  .icp th { width: auto; white-space: normal; }
  .plan__day { grid-template-columns: 1fr; gap: 0.3rem; }
}