/* ============================================================
   PIVA Educacional — Método CSS
   Herda shared.css + tailwind.css. Componentes da página /metodo/.
   ============================================================ */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

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

/* ---------- Framework hero SVG ---------- */
.framework-hero {
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 10px 40px rgba(0, 137, 148, 0.06);
  max-width: 420px;
  margin: 0 auto;
}

/* ---------- Pilares PIVA ---------- */
.pilar-card {
  position: relative;
  padding-left: 1.5rem;
  border-left: 2px solid var(--border);
  transition: border-color var(--duration-normal, 300ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.pilar-card:hover {
  border-left-color: var(--primary);
}

.pilar-card-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.pilar-letter {
  font-family: 'Lora', serif;
  font-weight: 700;
  font-size: 2.75rem;
  line-height: 1;
  color: var(--primary);
}

.pilar-label {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-light);
}

.pilar-title {
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 1.375rem;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 0.875rem;
}

.pilar-body {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  margin-bottom: 1.25rem;
  max-width: 38ch;
}

.pilar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pilar-list li {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-light);
  padding-left: 1.25rem;
  position: relative;
}

.pilar-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* ---------- F.R.E.I.O.S. grid ---------- */
.freios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem 2.5rem;
}

@media (min-width: 768px) {
  .freios-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.freio-item {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  position: relative;
  transition: border-color var(--duration-normal, 300ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.freio-item:hover {
  border-top-color: var(--primary);
}

.freio-header {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  margin-bottom: 0.875rem;
}

.freio-letter {
  font-family: 'Lora', serif;
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--primary);
}

.freio-name {
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text);
}

.freio-summary {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.freio-detail {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-light);
}

/* ---------- Aplicação (3 passos) ---------- */
.aplicacao-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.aplicacao-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 2rem;
  align-items: start;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.aplicacao-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

@media (min-width: 768px) {
  .aplicacao-step {
    grid-template-columns: 120px 1fr;
    gap: 3rem;
  }
}

.aplicacao-number {
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 2.25rem;
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.aplicacao-title {
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.aplicacao-desc {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-light);
  margin-bottom: 1rem;
  max-width: 60ch;
}

.aplicacao-sublinks {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.aplicacao-link {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 137, 148, 0.35);
  padding-bottom: 2px;
  transition: color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1)),
              border-color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.aplicacao-link:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

/* ---------- Cases ---------- */
.case-card {
  background: var(--bg);
  padding: 1.75rem;
  border-radius: 0.5rem;
  border-left: 3px solid var(--primary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-tag {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(0, 137, 148, 0.08);
  padding: 0.25rem 0.625rem;
  border-radius: 0.25rem;
  align-self: flex-start;
}

.case-title {
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.3;
  color: var(--text);
}

.case-body {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.case-label {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.25rem;
}

.case-before .case-label { color: var(--text-light); }
.case-after  .case-label { color: var(--primary); }

.case-body p {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text);
}

.case-quote {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin: 0;
}

.case-quote cite {
  font-family: 'Source Sans 3', sans-serif;
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--text-light);
  display: block;
  margin-top: 0.375rem;
}

/* ---------- FAQ accordion (mesmo padrão das outras páginas) ---------- */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal, 300ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.faq-answer.is-open {
  max-height: 400px;
}

[data-faq-toggle][aria-expanded="true"] [data-faq-chevron] {
  transform: rotate(180deg);
}

/* ---------- Media bar ---------- */
.media-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.media-bar-label {
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-light);
  display: block;
  text-align: center;
  margin-bottom: 1rem;
}

/* ============================================================
   NAV canônica (#nav-header-c) — ports de home/css/homepage.css.
   Página institucional com hero claro: nav sticky e sempre opaca.
   ============================================================ */
#nav-header-c {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-whisper, rgba(28, 28, 28, 0.08));
  transition: background var(--duration-normal, 300ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

#nav-header-c.is-menu-open {
  background: var(--bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#mobile-menu-c {
  max-height: calc(100dvh - 4.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-prog-chevron {
  flex-shrink: 0;
  transition: transform var(--duration-normal, 300ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}
#mobile-menu-c details[open] .mobile-prog-chevron {
  transform: rotate(180deg);
}

#nav-header-c .nav-link,
#nav-header-c .nav-dropdown-btn {
  color: var(--text);
  transition: color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

#nav-header-c .nav-logo-link {
  display: inline-flex;
  align-items: center;
}

.nav-logo-img {
  height: 2rem;
  width: auto;
  display: block;
  user-select: none;
}

@media (max-width: 640px) {
  .nav-logo-img { height: 1.625rem; }
}

#nav-header-c .nav-link:hover,
#nav-header-c .nav-dropdown-btn:hover {
  color: var(--primary);
}

#nav-header-c .nav-hamburger {
  color: var(--text);
}

#nav-header-c .nav-cta-btn {
  background: var(--accent);
  color: #fff;
  transition: background var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

#nav-header-c .nav-cta-btn:hover {
  background: var(--accent-dark);
}

/* ============================================================
   FOOTER canônico (#footer-c) — ports de home/css/homepage.css.
   ============================================================ */
#footer-c {
  background: var(--text);
  padding: 4.5rem 1.25rem 2.5rem;
}

@media (min-width: 768px) {
  #footer-c {
    padding: 5rem 3rem 2.5rem;
  }
}

.footer-c-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .footer-c-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
  }
}

.footer-c-brand-name {
  font-family: 'Lora', serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 0.375rem;
}

.footer-c-brand-sub {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245, 237, 227, 0.45);
  display: block;
  margin-bottom: 1rem;
}

.footer-c-tagline {
  font-family: 'Lora', serif;
  font-style: italic;
  font-size: 0.9375rem;
  color: rgba(245, 237, 227, 0.65);
  line-height: 1.5;
  max-width: 24ch;
  margin: 0;
}

.footer-c-col-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 237, 227, 0.4);
  margin-bottom: 1.25rem;
}

.footer-c-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-c-links a {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.875rem;
  color: rgba(245, 237, 227, 0.7);
  text-decoration: none;
  transition: color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.footer-c-links a:hover {
  color: var(--secondary);
}

address.footer-c-address {
  font-style: normal;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.875rem;
  color: rgba(245, 237, 227, 0.7);
  line-height: 1.75;
}

address.footer-c-address a {
  color: rgba(245, 237, 227, 0.7);
  text-decoration: none;
  transition: color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

address.footer-c-address a:hover {
  color: var(--primary);
}

.footer-c-hours {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.75rem;
  color: rgba(245, 237, 227, 0.4);
  line-height: 1.7;
  margin-top: 0.75rem;
}

.footer-c-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-c-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.875rem;
  color: rgba(245, 237, 227, 0.7);
  text-decoration: none;
  transition: color var(--duration-fast, 150ms) var(--ease-premium, cubic-bezier(0.32, 0.72, 0, 1));
}

.footer-c-social a:hover {
  color: var(--secondary);
}

.footer-c-bar {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(245, 237, 227, 0.1);
  max-width: 1280px;
  margin: 0 auto;
}

.footer-c-copy {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.75rem;
  color: rgba(245, 237, 227, 0.35);
  margin: 0;
}