/* ===================================================================
   SINGLE POST REDESIGN — Sizebay Blog
   Integrates Executive Summary, Table of Contents, FAQ + Schema,
   Author Card, Reading Progress Bar, and Share Rail.
   =================================================================== */

:root {
  /* Official Design Tokens */
  --black-suit: #000000;
  --white: #FFFFFF;

  --chumbo-50: #F5F5F5;
  --chumbo-100: #E5E5E5;
  --chumbo-200: #CCCCCC;
  --chumbo-300: #999999;
  --chumbo-400: #666666;
  --chumbo-600: #333333;
  --chumbo-700: #1A1A1A;
  --chumbo-800: #141414;
  --chumbo-900: #0D0D0D;
  --chumbo-950: #0A0A0A;

  --offwhite-50: #FEFEFE;
  --offwhite-100: #FAFAFA;
  --offwhite-300: #EDEDED;

  /* Blue Scale */
  --blue-50: #E6F4FF;
  --blue-100: #D2ECFF;  /* Comfort Blue */
  --blue-200: #A8D8FA;
  --blue-300: #84C4F1;
  --blue-500: #4299D7;
  --blue-600: #2F82BC;
  --blue-700: #21699B;
  --blue-800: #15507A;

  --success-600: #1E8C4C;

  /* Brand Colors */
  --coral: #E75565;
  --coral-text: #C44856;
  --teal: #187BA5;
  --teal-dark: #135F82;
  --ink-soft: #323232;

  --accent: var(--coral);
  --accent-hover: var(--teal-dark);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Layout */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --container-max: 1170px;
  --measure: 740px;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(10,10,10,0.06);
  --shadow-md: 0 8px 24px rgba(10,10,10,0.08);

  /* Motion tokens */
  --ease-out-quart: cubic-bezier(.165, .84, .44, 1);
  --ease-out-expo: cubic-bezier(.19, 1, .22, 1);
  --ease-in-out-cubic: cubic-bezier(.645, .045, .355, 1);
  --dur-1: 120ms;
  --dur-2: 180ms;
  --dur-3: 240ms;
  --dur-5: 500ms;
}

/* Base Post Container */
.page-post {
  background: var(--offwhite-100);
  color: var(--chumbo-900);
  font-family: var(--font-body);
}

.page-post .measure {
  max-width: var(--measure);
  width: 100%;
  margin: 0 auto;
}

/* Focus visibility */
.page-post a:focus-visible,
.page-post button:focus-visible,
.page-post summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ================= READING PROGRESS ================= */
.progress-track {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--offwhite-300);
  z-index: 9999;
}
.progress-track__fill {
  height: 100%;
  width: 100%;
  background: var(--teal);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 80ms linear;
}

/* ================= CONTENT GRID & SHARE RAIL ================= */
.content-grid {
  display: grid;
  grid-template-columns: 1fr var(--measure) 1fr;
  column-gap: var(--space-3);
  align-items: start;
}

.share-rail {
  grid-column: 1;
  justify-self: end;
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 10;
}

.share-rail__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--offwhite-300);
  background: var(--white);
  color: var(--chumbo-400);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--dur-2) ease, color var(--dur-2) ease, transform var(--dur-2) var(--ease-out-quart);
}
.share-rail__btn:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}
.share-rail__btn svg {
  width: 17px;
  height: 17px;
}
.share-rail__tooltip {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
  background: var(--black-suit);
  color: var(--white);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 9px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-2) ease, transform var(--dur-2) var(--ease-out-quart);
}
.share-rail__tooltip.is-visible {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 1050px) {
  .content-grid { display: block; }
  .share-rail { display: none; }
}

/* ================= FIT FRAME ================= */
.fit-frame { position: relative; }
.fit-frame__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
  transition: transform var(--dur-2) var(--ease-out-quart);
}
.fit-frame__corner svg { width: 100%; height: 100%; }
.fit-frame__corner path {
  stroke: var(--teal);
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
}
.fit-frame__corner--tl { top: -2px; left: -2px; }
.fit-frame__corner--tr { top: -2px; right: -2px; transform: scaleX(-1); }
.fit-frame__corner--bl { bottom: -2px; left: -2px; transform: scaleY(-1); }
.fit-frame__corner--br { bottom: -2px; right: -2px; transform: scale(-1,-1); }
.fit-frame:hover .fit-frame__corner--tl { transform: translate(-3px,-3px); }
.fit-frame:hover .fit-frame__corner--tr { transform: scaleX(-1) translate(-3px,-3px); }
.fit-frame:hover .fit-frame__corner--bl { transform: scaleY(-1) translate(-3px,-3px); }
.fit-frame:hover .fit-frame__corner--br { transform: scale(-1,-1) translate(-3px,-3px); }

/* ================= SCROLL REVEAL ================= */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity var(--dur-5) var(--ease-out-quart), transform var(--dur-5) var(--ease-out-quart);
  }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  .reveal-stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }
}

/* ================= ARTICLE HERO ================= */
.page-post .box-header {
  text-align: left;
  margin-bottom: var(--space-3);
}
.page-post .box-header .data {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--chumbo-400);
  margin-bottom: var(--space-2);
}
.page-post .box-header h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--coral);
  margin-bottom: var(--space-3);
}
.page-post .box-header .autor {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--chumbo-400);
}

.page-post .box-imagem {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.page-post .box-imagem img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ================= ARTICLE BODY CONTENT ================= */
.article-body h2 {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
  margin: var(--space-5) 0 var(--space-2);
  line-height: 1.3;
}
.article-body h3 {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-soft);
  margin: var(--space-4) 0 var(--space-2);
  line-height: 1.4;
}
.article-body p {
  font-size: 16.5px;
  line-height: 1.75;
  margin-bottom: var(--space-3);
  color: var(--chumbo-700);
}
.article-body ul, .article-body ol {
  margin: var(--space-2) 0 var(--space-3) var(--space-4);
  font-size: 16px;
  line-height: 1.7;
}
.article-body li {
  margin-bottom: var(--space-1);
  color: var(--chumbo-700);
}
.article-body strong { color: var(--chumbo-950); }
.article-body .highlight { color: var(--success-600); font-weight: 700; }
.article-body a {
  color: var(--coral-text);
  text-decoration: underline;
  text-decoration-color: var(--blue-300);
  text-underline-offset: 2px;
}
.article-body a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
}

/* ================= EMBEDS & IFRAMES ================= */
.article-body figure,
.article-body .wp-block-embed {
  margin: var(--space-4) 0;
  width: 100%;
  max-width: 100%;
  display: block;
}
.article-body .wp-block-embed__wrapper {
  position: relative;
  width: 100%;
  display: block;
}
.article-body iframe {
  display: block;
  width: 100% !important;
  max-width: 100% !important;
  aspect-ratio: 16 / 9;
  min-height: 315px;
  height: auto;
  border-radius: var(--radius-md);
  border: 0;
}
.article-body .ratio {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.article-body .ratio > iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  border: 0;
}

/* ================= MEASURE DIVIDER ================= */
.measure-divider {
  height: 16px;
  margin: var(--space-5) 0;
  background:
    repeating-linear-gradient(90deg, var(--chumbo-300) 0 1.5px, transparent 1.5px 48px) bottom / 100% 13px no-repeat,
    repeating-linear-gradient(90deg, var(--chumbo-200) 0 1px, transparent 1px 12px) bottom / 100% 6px no-repeat;
  border-bottom: 1px solid var(--offwhite-300);
  position: relative;
}
.measure-divider::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 1.5px;
  height: 16px;
  background: var(--accent);
  transform: translateX(-50%);
}

/* ================= RESUMO EXECUTIVO ================= */
.block-resumo {
  position: relative;
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  padding: 32px 48px;
  margin: 32px 0 48px;
}
.block-resumo__accent {
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
}
.block-resumo__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--white);
  border-radius: 50%;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.block-resumo__icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}
.block-resumo__title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--chumbo-950);
  margin-bottom: 24px;
}
.block-resumo__list {
  list-style: none !important;
  margin: 0 0 24px 0 !important;
  padding: 0 !important;
}
.block-resumo__list li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--chumbo-700);
  padding: 8px 0;
  padding-left: 24px !important;
  margin: 0 !important;
  position: relative;
}
.block-resumo__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 7px;
  background: var(--teal);
  border-radius: 1px;
  transform: rotate(45deg);
}
.block-resumo__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--teal);
  color: var(--white) !important;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  text-decoration: none !important;
  transition: background var(--dur-2) ease, transform var(--dur-2) var(--ease-out-quart);
}
.block-resumo__cta:hover {
  background: var(--accent-hover);
  color: var(--white) !important;
  transform: translateY(-1px);
}
.block-resumo__cta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-2) var(--ease-out-quart);
}
.block-resumo__cta:hover svg {
  transform: translateX(3px);
}

/* ================= SUMARIO (TABLE OF CONTENTS) ================= */
.block-sumario {
  background: var(--blue-100);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  margin: 32px 0 48px;
}
.block-sumario__title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--chumbo-950);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--blue-300);
}
.block-sumario__list {
  list-style: none !important;
  counter-reset: toc;
  padding: 0 !important;
  margin: 0 !important;
}
.block-sumario__list li {
  counter-increment: toc;
  margin: 0 !important;
  padding: 0 !important;
}
.block-sumario__list li a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-size: 14px;
  color: var(--chumbo-700);
  text-decoration: none !important;
  padding: 10px 0;
  border-bottom: 1px solid rgba(10,10,10,0.06);
  position: relative;
  transition: color var(--dur-2) ease, padding-left var(--dur-2) var(--ease-out-quart);
}
.block-sumario__list li a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  min-width: 24px;
}
.block-sumario__list li a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--accent-hover);
  transition: width var(--dur-2) var(--ease-out-quart);
}
.block-sumario__list li a:hover {
  color: var(--chumbo-950);
  padding-left: 4px;
}
.block-sumario__list li a:hover::after {
  width: 100%;
}
.block-sumario__list li:last-child a {
  border-bottom: none;
}

/* ================= FAQ ACCORDION ================= */
.block-faq {
  margin: var(--space-6) 0 var(--space-5);
}
.block-faq__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.block-faq__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--blue-50);
  border-radius: 50%;
  flex-shrink: 0;
}
.block-faq__icon svg {
  width: 17px;
  height: 17px;
  color: var(--teal);
}
.block-faq__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--chumbo-950);
  margin: 0;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--offwhite-300);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
  transition: border-color var(--dur-2) ease, box-shadow var(--dur-2) ease;
}
.faq-item[open] {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--chumbo-950);
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item[open] summary {
  padding: 20px 24px 12px 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--offwhite-100);
  flex-shrink: 0;
  transition: background var(--dur-2) ease;
}
.faq-item__toggle svg {
  width: 13px;
  height: 13px;
  color: var(--teal);
  transition: transform var(--dur-2) var(--ease-out-quart);
}
.faq-item[open] .faq-item__toggle {
  background: var(--accent-hover);
}
.faq-item[open] .faq-item__toggle svg {
  color: var(--white);
  transform: rotate(45deg);
}
.faq-item summary:hover {
  background: var(--offwhite-50);
}
.faq-item__answer {
  padding: 0 24px 24px 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--chumbo-700);
}
.faq-item__answer p {
  margin: 0 !important;
  padding: 0 !important;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--chumbo-700);
}
@media (prefers-reduced-motion: no-preference) {
  .faq-item[open] .faq-item__answer {
    animation: faqFadeIn var(--dur-3) var(--ease-out-quart);
  }
}
@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= CARTÃO DO AUTOR ================= */
.block-autor {
  position: relative;
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-5) 0 var(--space-6);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.block-autor__avatar-frame {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
}
.block-autor__avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.block-autor__avatar span {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
}
.block-autor__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.block-autor__info {
  flex: 1;
  min-width: 0;
}
.block-autor__label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral-text);
  margin-bottom: 3px;
}
.block-autor__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--chumbo-950);
  margin-bottom: 2px;
}
.block-autor__role {
  font-size: 13px;
  color: var(--chumbo-400);
  margin-bottom: var(--space-1);
}
.block-autor__bio {
  font-size: 13.5px;
  color: var(--chumbo-700);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  max-width: 52ch;
}
.block-autor__more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--coral-text) !important;
  padding-top: var(--space-1);
  border-top: 1px solid var(--blue-200);
  text-decoration: none !important;
}
.block-autor__more svg {
  width: 12px;
  height: 12px;
  transition: transform var(--dur-2) var(--ease-out-quart);
}
.block-autor__more:hover svg {
  transform: translateX(3px);
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .block-resumo { padding: var(--space-3); }
  .block-sumario { padding: var(--space-2) var(--space-3); }
  .block-autor { flex-direction: column; text-align: center; }
  .block-autor__avatar-frame { margin: 0 auto; }
  .block-faq__title { font-size: 19px; }
}