/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9em 1.6em;
  border-radius: var(--marzano-radius-lg);
  font-weight: 600;
  font-size: var(--fs-200);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
@media (max-width: 479px) {
  /* Rótulos de CTA mais longos ("Conhecer nossa atuação no Terceiro Setor")
     não cabem em uma linha só em telas muito estreitas — nesses casos é
     melhor quebrar em 2 linhas do que vazar horizontalmente a página. */
  .btn { white-space: normal; text-align: center; }
}

.btn--primary {
  background: var(--marzano-blue);
  color: var(--marzano-white);
}
.btn--primary:hover { background: var(--marzano-blue-dark); }

.btn--ghost {
  background: transparent;
  color: var(--marzano-graphite);
  border-color: var(--marzano-graphite);
}
.btn--ghost:hover { border-color: var(--marzano-blue); color: var(--marzano-blue); }

.section--graphite .btn--ghost {
  color: var(--marzano-white);
  border-color: rgba(255,255,255,0.4);
}
.section--graphite .btn--ghost:hover { border-color: var(--marzano-white); color: var(--marzano-white); }

.btn--arrow::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease-out);
}
.btn--arrow:hover::after { transform: translateX(4px); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--marzano-border);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-3);
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  font-weight: 700;
  font-size: var(--fs-300);
  letter-spacing: -0.01em;
}
.brand span {
  font-weight: 500;
  font-size: 0.55em;
  letter-spacing: 0.04em;
  color: var(--marzano-graphite-60);
  text-transform: uppercase;
  margin-top: 0.35em;
}

.nav-toggle {
  display: inline-flex;
  background: none;
  border: none;
  padding: 0.5em;
}
.nav-toggle__box {
  width: 22px; height: 16px; position: relative;
}
.nav-toggle__box span {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--marzano-graphite);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out), top var(--dur-fast) var(--ease-out);
}
.nav-toggle__box span:nth-child(1) { top: 0; }
.nav-toggle__box span:nth-child(2) { top: 7px; }
.nav-toggle__box span:nth-child(3) { top: 14px; }
[data-nav-open="true"] .nav-toggle__box span:nth-child(1) { top: 7px; transform: rotate(45deg); }
[data-nav-open="true"] .nav-toggle__box span:nth-child(2) { opacity: 0; }
[data-nav-open="true"] .nav-toggle__box span:nth-child(3) { top: 7px; transform: rotate(-45deg); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.site-nav__links {
  display: none;
  align-items: center;
  gap: var(--space-3);
  font-weight: 500;
  font-size: var(--fs-100);
}
.site-nav__links a {
  position: relative;
  padding-block: 0.3em;
  color: var(--marzano-graphite-70);
  white-space: nowrap;
}
.site-nav__links a:hover, .site-nav__links a[aria-current="page"] { color: var(--marzano-graphite); }
.site-nav__links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--marzano-blue);
}
.site-nav__cta { display: none; }
.lang-switch {
  display: none;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lang-switch a { color: var(--marzano-graphite-60); }
.lang-switch a[aria-current="true"] { color: var(--marzano-blue); }
.lang-switch span { color: var(--marzano-border); }

@media (min-width: 1150px) {
  .nav-toggle { display: none; }
  .site-nav__links { display: flex; }
  .lang-switch { display: flex; }
  .site-nav__cta { display: inline-flex; }
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--marzano-border);
  background: var(--marzano-white);
}
[data-nav-open="true"] .mobile-nav { display: block; }
.mobile-nav__links {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) 0;
}
.mobile-nav__lang {
  display: flex;
  align-items: center;
  gap: 0.4em;
  padding: var(--space-2) var(--gutter);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--marzano-border);
}
.mobile-nav__lang a { color: var(--marzano-graphite-60); }
.mobile-nav__lang a[aria-current="true"] { color: var(--marzano-blue); }
.mobile-nav__lang span { color: var(--marzano-border); }
.mobile-nav__links a {
  display: block;
  padding: var(--space-2) var(--gutter);
  font-weight: 500;
  border-bottom: 1px solid var(--marzano-border);
}
.mobile-nav__cta { padding: var(--space-3) var(--gutter); }

@media (min-width: 1150px) {
  .mobile-nav { display: none !important; }
}

/* ============ Hero ============ */
.hero {
  padding-block: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  gap: var(--space-5);
}
.hero__lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.hero__lines svg { position: absolute; top: 0; right: -10%; height: 100%; opacity: 0.5; }

.hero h1 { max-width: 16ch; }
.hero .lede { margin-top: var(--space-3); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ============ Cards ============ */
.card {
  background: var(--marzano-white);
  border: 1px solid var(--marzano-border);
  border-radius: var(--marzano-radius-md);
  padding: var(--space-4);
  height: 100%;
  overflow-wrap: anywhere;
}
.card h3 { margin-top: var(--space-2); font-size: var(--fs-400); }
.card p { margin-top: var(--space-2); color: var(--marzano-graphite-70); }

.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============ Form ============ */
.form-grid {
  display: grid;
  gap: var(--space-3);
}
@media (min-width: 700px) {
  .form-grid--2 { grid-template-columns: 1fr 1fr; }
}
.field { display: flex; flex-direction: column; gap: 0.5em; }
.field label { font-weight: 600; font-size: var(--fs-100); }
.field input, .field select, .field textarea {
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--marzano-border);
  border-radius: var(--marzano-radius-sm);
  padding: 0.85em 1em;
  background: var(--marzano-white);
  transition: border-color var(--dur-fast) var(--ease-out);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--marzano-blue);
}
.field--required label::after { content: " *"; color: var(--marzano-blue); }
.form-note { font-size: var(--fs-100); color: var(--marzano-graphite-60); }

.form-status {
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--marzano-radius-sm);
  font-weight: 500;
  font-size: var(--fs-100);
}
.form-status:empty { display: none; }
.form-status--success { background: rgba(37, 99, 235, 0.1); color: var(--marzano-blue-dark); }
.form-status--error { background: rgba(220, 38, 38, 0.08); color: #B91C1C; }

/* ============ Footer ============ */
.site-footer {
  background: var(--marzano-graphite);
  color: rgba(255,255,255,0.85);
  padding-block: var(--space-6) var(--space-4);
}
.site-footer a:hover { color: var(--marzano-white); }
.footer-grid {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
}
.footer-grid h3 {
  font-size: var(--fs-100);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-2);
}
.footer-grid ul { display: grid; gap: 0.6em; }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  font-size: var(--fs-100);
  color: rgba(255,255,255,0.5);
}

/* ============ Scroll reveal ============ */
/* Conteúdo fica visível por padrão; só é ocultado quando o JS confirma que
   pode revelá-lo depois (classe .js trocada no <html> antes do primeiro paint).
   Isso evita depender de JavaScript para exibir o conteúdo (SEO/acessibilidade/no-js). */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1; transform: none; }
}