:root {
  --vermelho: #d81f26;
  --vermelho-escuro: #a8121a;
  --azul: #0f2a4a;
  --azul-claro: #16406e;
  --cinza: #f5f6f8;
  --cinza-escuro: #4a5568;
  --texto: #1f2937;
  --branco: #ffffff;
  --sombra: 0 8px 30px rgba(15, 42, 74, 0.12);
  --radius: 14px;
  --fonte-titulo: 'Barlow Condensed', sans-serif;
  --fonte-corpo: 'Inter', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--fonte-corpo);
  color: var(--texto);
  line-height: 1.6;
  background: var(--branco);
}

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

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

/* ---- Barra superior ---- */
.topbar {
  background: var(--azul);
  color: #cbd5e1;
  font-size: 0.85rem;
  padding: 0.4rem 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.topbar-inner span:first-child {
  color: #ffd54a;
  font-weight: 600;
}

/* ---- Header ---- */
.header {
  background: var(--vermelho);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--branco);
}

.brand-icon {
  font-size: 1.9rem;
}

.brand-text {
  font-family: var(--fonte-titulo);
  font-size: 1.45rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.brand-text strong {
  color: #ffd54a;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 1.6rem;
}

.nav a {
  color: var(--branco);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffd54a;
  transition: width 0.25s;
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--branco);
  margin: 5px 0;
  border-radius: 3px;
  transition: 0.3s;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  background: linear-gradient(120deg, var(--azul) 0%, var(--azul-claro) 55%, #1d5a8f 100%);
  color: var(--branco);
  padding: 7rem 0 8.5rem;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 31, 38, 0.35), transparent 70%);
}

.hero::before {
  width: 500px;
  height: 500px;
  top: -160px;
  right: -140px;
}

.hero::after {
  width: 380px;
  height: 380px;
  bottom: -150px;
  left: -120px;
  background: radial-gradient(circle, rgba(255, 213, 74, 0.18), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 213, 74, 0.15);
  border: 1px solid #ffd54a;
  color: #ffd54a;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-family: var(--fonte-titulo);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.hero h1 span {
  color: #ffd54a;
}

.hero p {
  font-size: 1.08rem;
  color: #cbd5e1;
  max-width: 560px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Slider ---- */
.hero-slider {
  position: relative;
  padding: 0;
  height: 90vh;
  min-height: 620px;
  max-height: 840px;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s ease, visibility 0.9s;
  z-index: 1;
}

.slide.ativo {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 7s ease;
}

.slide.ativo .slide-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg, rgba(6, 22, 40, 0.86) 0%, rgba(10, 35, 62, 0.68) 45%, rgba(10, 35, 62, 0.38) 100%);
}

.slide-content {
  width: min(1160px, 92%);
  margin: 0 auto;
  padding: 7rem 0 8.5rem;
}

.slide[data-pos="centro"] .slide-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.slide[data-pos="centro"] .slide-content p {
  margin-left: auto;
  margin-right: auto;
}

.slide[data-pos="centro"] .hero-actions {
  justify-content: center;
}

.slide[data-pos="direita"] .slide-content {
  margin-left: auto;
  text-align: right;
  align-items: flex-end;
  display: flex;
  flex-direction: column;
}

.slide[data-pos="direita"] .slide-content p {
  margin-left: auto;
}

.slide[data-pos="direita"] .hero-actions {
  justify-content: flex-end;
}

.slider-setas {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.55);
  background: rgba(15, 42, 74, 0.4);
  color: #fff;
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}

.slider-setas:hover {
  background: var(--vermelho);
  border-color: var(--vermelho);
}

.seta-anterior {
  left: 1.4rem;
}

.seta-proximo {
  right: 1.4rem;
}

.slider-dots {
  position: absolute;
  bottom: 4.2rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  z-index: 6;
}

.slider-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.slider-dots button.ativo {
  background: #ffd54a;
  transform: scale(1.3);
}

/* ---- Botões ---- */
.btn {
  display: inline-block;
  font-family: var(--fonte-corpo);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--vermelho);
  color: var(--branco);
  box-shadow: 0 6px 18px rgba(216, 31, 38, 0.4);
}

.btn-primary:hover {
  background: var(--vermelho-escuro);
}

.btn-outline {
  background: transparent;
  color: var(--branco);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-block {
  width: 100%;
}

/* ---- Stats ---- */
.stats {
  background: var(--branco);
  margin-top: -4rem;
  position: relative;
  z-index: 5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: var(--branco);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  padding: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--vermelho);
}

.stat-label {
  color: var(--cinza-escuro);
  font-size: 0.9rem;
}

/* ---- Seções ---- */
.section {
  padding: 5.5rem 0;
}

.section-dark {
  background: var(--azul);
  color: var(--branco);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  color: var(--vermelho);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.section-dark .section-tag {
  color: #ffd54a;
}

.section-head h2 {
  font-family: var(--fonte-titulo);
  font-size: clamp(2rem, 4vw, 2.9rem);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-head p {
  color: var(--cinza-escuro);
}

.section-dark .section-head p {
  color: #cbd5e1;
}

/* ---- Grids e cards ---- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--branco);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--sombra);
  border-top: 4px solid var(--vermelho);
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 40px rgba(15, 42, 74, 0.18);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.4rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--cinza-escuro);
  font-size: 0.95rem;
}

/* ---- Atividades ---- */
.activity {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.9rem;
  transition: background 0.25s, transform 0.25s;
}

.activity:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.activity-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  font-size: 1.6rem;
  background: var(--vermelho);
  border-radius: 14px;
  margin-bottom: 1.1rem;
}

.activity h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.35rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.activity p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

/* ---- Inscrição ---- */
.inscricao-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.inscricao-info,
.inscricao-form {
  background: var(--branco);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  padding: 2.2rem;
}

.inscricao-info h3,
.inscricao-form h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.6rem;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.checklist {
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 0.7rem 0 0.7rem 2.2rem;
  border-bottom: 1px dashed #e2e8f0;
}

.checklist li:last-child {
  border-bottom: none;
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 26px;
  height: 26px;
  background: var(--vermelho);
  color: var(--branco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-family: var(--fonte-corpo);
  font-size: 1rem;
  color: var(--texto);
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fbfcfe;
}

.form-group input:focus {
  outline: none;
  border-color: var(--vermelho);
  box-shadow: 0 0 0 3px rgba(216, 31, 38, 0.15);
}

.form-group input.erro {
  border-color: var(--vermelho);
}

.form-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--cinza-escuro);
}

/* ---- Galeria ---- */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--azul-claro);
}

.gallery-item-wide {
  grid-column: span 2;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.35);
  background: linear-gradient(135deg, #1d5a8f, #0f2a4a);
  transition: transform 0.4s;
}

.gallery-item:hover .placeholder {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.2rem 1rem 0.8rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  color: var(--branco);
  font-size: 0.9rem;
  font-weight: 600;
}

.gallery-note {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.gallery-note code {
  background: rgba(255, 255, 255, 0.15);
  padding: 0.1rem 0.5rem;
  border-radius: 6px;
}

/* ---- Álbuns da Galeria ---- */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.album-card {
  text-decoration: none;
  color: inherit;
  background: var(--branco);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--sombra);
  transition: transform 0.25s, box-shadow 0.25s;
}

.album-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(15, 42, 74, 0.18);
}

.album-card-capa {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--azul);
}

.album-card-capa img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.album-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.4);
}

.album-card-info {
  padding: 1rem 1.2rem;
}

.album-card-info h3 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.album-card-info span {
  font-size: 0.85rem;
  color: var(--cinza-texto);
}

/* ---- Vídeos da Galeria ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.video-item iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
}

.video-legenda {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--cinza-texto);
}

@media (max-width: 600px) {
  .album-grid {
    grid-template-columns: 1fr;
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Contato ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contact-item {
  text-align: center;
  padding: 1.8rem 1rem;
  background: var(--cinza);
  border-radius: var(--radius);
  transition: transform 0.25s;
}

.contact-item:hover {
  transform: translateY(-5px);
}

.contact-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.7rem;
}

.contact-item h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.2rem;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.contact-item p {
  color: var(--cinza-escuro);
  font-size: 0.92rem;
}

.cta-box {
  text-align: center;
  background: var(--vermelho);
  color: var(--branco);
  border-radius: var(--radius);
  padding: 3rem 2rem;
}

.cta-box h3 {
  font-family: var(--fonte-titulo);
  font-size: 2rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.cta-box p {
  margin-bottom: 1.6rem;
  color: #ffe3e5;
}

/* ---- Rodapé ---- */
.footer {
  background: #0a1c30;
  color: #cbd5e1;
  padding-top: 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  font-family: var(--fonte-titulo);
  font-size: 1.3rem;
  color: var(--branco);
  text-transform: uppercase;
}

.footer-text {
  font-size: 0.9rem;
  margin-top: 0.3rem;
}

.footer-nav {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: #ffd54a;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.2rem 0;
  font-size: 0.82rem;
  color: #7d8ea6;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--azul);
  color: var(--branco);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: var(--sombra);
  font-weight: 600;
  font-size: 0.95rem;
  transform: translateY(150%);
  opacity: 0;
  transition: transform 0.35s, opacity 0.35s;
  z-index: 2000;
  max-width: 320px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.sucesso {
  background: #1a7f37;
}

.toast.erro {
  background: var(--vermelho);
}

/* ---- Cabeçalho de páginas internas ---- */
.page-hero {
  background: linear-gradient(120deg, var(--azul) 0%, var(--azul-claro) 55%, #1d5a8f 100%);
  color: var(--branco);
  padding: 4rem 0;
  text-align: center;
}

.page-hero h1 {
  font-family: var(--fonte-titulo);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.page-hero p {
  color: #cbd5e1;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Botão escuro (sobre fundo claro) ---- */
.btn-outline-dark {
  background: transparent;
  color: var(--azul);
  border-color: var(--azul);
}

.btn-outline-dark:hover {
  background: var(--azul);
  color: var(--branco);
}

.center-actions {
  text-align: center;
  margin-top: 2.5rem;
}

/* ---- Sobre: grade de história ---- */
.sobre-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.sobre-grid h2 {
  font-family: var(--fonte-titulo);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.sobre-grid p {
  color: var(--cinza-escuro);
  margin-bottom: 1rem;
}

.sobre-icones {
  display: grid;
  gap: 1.5rem;
}

/* ---- Atividades em fundo claro ---- */
.activity-clara {
  background: var(--cinza);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 1.9rem;
  transition: transform 0.25s, box-shadow 0.25s;
}

.activity-clara:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra);
}

.activity-clara h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.35rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.activity-clara p {
  color: var(--cinza-escuro);
  font-size: 0.95rem;
}

/* ---- Alertas ---- */
.alert {
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.alert ul {
  margin: 0.5rem 0 0 1.2rem;
}

.alert-sucesso {
  background: #e6f4ea;
  border-left: 4px solid #1a7f37;
  color: #14532d;
}

.alert-erro {
  background: #fdecea;
  border-left: 4px solid var(--vermelho);
  color: #7f1d1d;
}

/* ---- Dica de inscrição ---- */
.inscricao-dica {
  margin-top: 1.8rem;
  padding: 1.2rem 1.4rem;
  background: var(--cinza);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--cinza-escuro);
}

.inscricao-dica strong {
  color: var(--azul);
}

.inscricao-dica p {
  margin-top: 0.4rem;
  font-size: 0.85rem;
}

/* ---- Contato: formulário + CTA ---- */
.contato-wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.contato-form {
  background: var(--branco);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  padding: 2.2rem;
}

.contato-form h3 {
  font-family: var(--fonte-titulo);
  font-size: 1.6rem;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.contato-voluntario {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-family: var(--fonte-corpo);
  font-size: 1rem;
  color: var(--texto);
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fbfcfe;
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--vermelho);
  box-shadow: 0 0 0 3px rgba(216, 31, 38, 0.15);
}

.form-group textarea.erro {
  border-color: var(--vermelho);
}

/* ---- Responsivo ---- */
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .inscricao-wrap,
  .contato-wrap,
  .sobre-grid {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--vermelho);
    flex-direction: column;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    box-shadow: 0 14px 20px rgba(0, 0, 0, 0.2);
  }

  .nav.aberto {
    max-height: 420px;
  }

  .nav a {
    display: block;
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .nav a::after {
    display: none;
  }

  .topbar-contato {
    display: none;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 180px;
  }

  .gallery-item-wide {
    grid-column: span 1;
  }

  .hero {
    padding: 5rem 0 7rem;
  }

  .hero-slider {
    height: 80vh;
    min-height: 520px;
  }

  .slider-setas {
    width: 38px;
    height: 38px;
    font-size: 1.4rem;
  }

  .seta-anterior {
    left: 0.6rem;
  }

  .seta-proximo {
    right: 0.6rem;
  }

  .slider-dots {
    bottom: 3.4rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}