/* ==========================================================================
   Caderno Técnico — Campanha Lula 2026 — Formato Comício
   main.css — tokens de marca, reset e layout base
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Poppins:ital,wght@0,400;0,500;0,600;0,700;1,500&display=swap');

:root {
  /* Paleta oficial — fonte/identidade-visual/guia-simplificado-design.md */
  --red-dark: #a20301;
  --red: #fd0000;
  --yellow: #ffd400;
  --green: #00b923;
  --green-dark: #006820;
  --blue: #0034d2;
  --off-white: #f3f2f3;
  --white: #ffffff;
  --cream: #f6efe7;
  --purple-dark: #320d59;
  --purple: #a237fb;

  /* Tokens semânticos */
  --color-bg: var(--white);
  --color-surface: var(--off-white);
  --color-surface-alt: var(--cream);
  --color-text: #1a1a1a;
  --color-text-muted: #55504c;
  --color-border: #e2ddd6;
  --color-accent: var(--red);
  --color-accent-dark: var(--red-dark);
  --color-highlight: var(--yellow);

  /* Tipografia — substitutas web de Transducer/Gotham (Adobe Fonts, não licenciadas para web) */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Poppins', 'Segoe UI', sans-serif;

  --sidebar-width: 300px;
  --header-height: 64px;
  --radius: 6px;
  --shadow-box: 4px 4px 0 rgba(0, 0, 0, 0.85);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --content-max: 980px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text);
}

p {
  margin: 0 0 0.75em;
}

ul, ol {
  margin: 0;
  padding: 0;
}

a {
  color: var(--color-accent-dark);
}

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

button {
  font-family: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ==========================================================================
   Layout — sidebar fixa + conteúdo
   ========================================================================== */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--white);
  border-right: 3px solid var(--color-text);
  padding: 24px 0 40px;
}

.sidebar__brand {
  padding: 14px 20px 20px;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 16px;
}

.sidebar__back {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
}

.sidebar__back:hover {
  color: var(--color-accent-dark);
}

.sidebar__logo {
  width: 100%;
  height: auto;
}

.sidebar__meta {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-accent-dark);
  margin-top: 10px;
  font-weight: 600;
}

.sidebar__nav {
  padding: 0 12px;
}

.nav-group {
  list-style: none;
  margin: 0 0 4px;
}

.nav-group__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-group__link .icon {
  flex: none;
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.nav-group__link:hover {
  background: var(--color-surface);
}

.nav-group__link.is-active {
  background: var(--color-accent);
  color: var(--white);
}

.nav-sub {
  list-style: none;
  margin: 2px 0 10px;
  padding-left: 40px;
  border-left: 2px solid var(--color-border);
  margin-left: 20px;
}

.nav-sub__link {
  display: block;
  padding: 5px 10px;
  font-size: 12.5px;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: 4px;
}

.nav-sub__link:hover {
  color: var(--color-accent-dark);
}

.nav-sub__link.is-active {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.sidebar__footer {
  padding: 16px 20px 0;
  margin-top: 8px;
}

.btn-export {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background: var(--color-text);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-export:hover {
  background: var(--color-accent-dark);
}

.btn-export .icon {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

/* ==========================================================================
   Conteúdo principal
   ========================================================================== */

.content {
  min-width: 0;
}

.hero {
  position: relative;
  background: var(--color-accent-dark);
  background-image:
    linear-gradient(135deg, rgba(162,3,1,0.92), rgba(50,13,89,0.88)),
    var(--hero-image, none);
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 64px 56px;
  overflow: hidden;
}

.hero__eyebrow {
  display: inline-block;
  background: var(--yellow);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 3px;
  box-shadow: var(--shadow-box);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  max-width: 16ch;
  margin-bottom: 10px;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  max-width: 60ch;
  opacity: 0.95;
  text-transform: none;
  letter-spacing: normal;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-top: 36px;
  max-width: 900px;
}

.section {
  padding: 56px;
  max-width: var(--content-max);
  margin: 0 auto;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 8px);
}

.section:last-of-type {
  border-bottom: none;
}

.section__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.section__title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(26px, 3vw, 36px);
  margin: 6px 0 8px;
}

.section__title .icon {
  width: 34px;
  height: 34px;
  stroke: var(--color-accent-dark);
  flex: none;
}

.section__lede {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 70ch;
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: 32px;
}

.subsection {
  margin-top: 40px;
  scroll-margin-top: calc(var(--header-height) + 8px);
}

.subsection__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 18px;
  color: var(--color-accent-dark);
  border-bottom: 3px solid var(--color-text);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.subsection__title .num {
  font-family: var(--font-display);
  color: var(--color-accent);
}

.subsection__subtitle {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 6px;
  margin: 28px 0 14px;
  scroll-margin-top: calc(var(--header-height) + 8px);
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 3px solid var(--color-text);
  }

  .section, .hero {
    padding: 40px 24px;
  }
}