/* ===== Arte Vital - Jiu-Jitsu | Variáveis e base ===== */
:root {
  --preto: #0d0d0d;
  --preto-soft: #1a1a1a;
  --vermelho: #c41e3a;
  --vermelho-hover: #a01830;
  --branco: #f5f5f5;
  --branco-puro: #ffffff;
  --cinza: #888;
  --font-title: 'Oswald', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --container: min(90vw, 1100px);
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--branco);
  background-color: var(--preto);
}

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

a {
  color: var(--vermelho);
  text-decoration: none;
}

a:hover {
  color: var(--vermelho-hover);
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  padding: 0.75rem 1rem;
  background: var(--vermelho);
  color: var(--branco-puro);
  font-weight: 600;
  z-index: 100;
  border-radius: var(--radius);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--branco-puro);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--preto);
  border-bottom: 3px solid var(--vermelho);
  transition: box-shadow 0.2s;
}

.header.is-scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
}

.logo {
  display: block;
  text-decoration: none;
  line-height: 0;
}

.logo img {
  height: 52px;
  width: auto;
  display: block;
  transition: opacity 0.2s;
}

.logo:hover img {
  opacity: 0.9;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--branco-puro);
}

.nav-toggle span {
  width: 24px;
  height: 3px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.nav a {
  color: var(--branco);
  font-weight: 600;
  padding: 0.25rem 0;
}

.nav a:hover {
  color: var(--vermelho);
  text-decoration: none;
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--preto-soft);
    padding: 1rem;
    border-bottom: 2px solid var(--vermelho);
    display: none;
  }

  .nav.is-open {
    display: block;
  }

  .nav ul {
    flex-direction: column;
  }
}

@media (min-width: 769px) {
  .nav-toggle {
    display: none;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--preto) 0%, var(--preto-soft) 50%, rgba(196, 30, 58, 0.3) 100%),
    url('../images/hero-bg.png') center/cover no-repeat;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 3rem 1.25rem;
}

.hero-logo {
  margin: 0 auto 1rem;
  display: block;
  border-radius: 50%;
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--branco-puro);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero h1 span {
  color: var(--vermelho);
  display: block;
  font-size: 0.85em;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 520px;
  margin: 0 auto 0.5rem;
  color: var(--branco);
}

.hero-location {
  color: var(--cinza);
  margin-bottom: 2rem;
}

/* ===== Botões ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--vermelho);
  color: var(--branco-puro);
}

.btn-primary:hover {
  background: var(--vermelho-hover);
  color: var(--branco-puro);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--branco-puro) !important;
}

a.btn-whatsapp:hover {
  background: #20bd5a;
  color: var(--branco-puro) !important;
}

.btn-instagram {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: var(--branco-puro);
}

.btn-instagram:hover {
  opacity: 0.95;
  color: var(--branco-puro);
}

/* ===== Seções genéricas ===== */
.section {
  padding: 4rem 0;
}

.section h2 {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--branco-puro);
  margin: 0 0 2rem;
  text-align: center;
}

.section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--vermelho);
  margin: 0.75rem auto 0;
}

/* ===== Sobre ===== */
.sobre {
  background: var(--preto-soft);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.sobre-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sobre-text p {
  margin: 0 0 1rem;
}

.diferenciais-list {
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
}

.diferenciais-list li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .sobre-grid {
    grid-template-columns: 1fr;
  }

  .sobre-image {
    order: -1;
  }
}

/* ===== Serviços ===== */
.servicos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.servico-card {
  background: var(--preto-soft);
  border: 2px solid var(--vermelho);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.servico-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(196, 30, 58, 0.2);
}

.servico-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--vermelho);
  border-radius: 50%;
}

.servico-card h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--branco-puro);
  margin: 0 0 0.75rem;
}

.servico-card p {
  margin: 0;
  color: var(--branco);
  font-size: 0.95rem;
}

/* ===== Planos ===== */
.planos {
  background: var(--preto-soft);
}

.planos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.plano-card {
  background: var(--preto);
  border: 2px solid var(--vermelho);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
}

.plano-badge {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--vermelho);
  color: var(--branco-puro);
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
  padding: 0.6rem;
  border-radius: var(--radius) var(--radius) 0 0;
  margin: -2rem -2rem 1.5rem -2rem;
}

.plano-tipo {
  font-weight: 600;
  color: var(--cinza);
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.plano-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.plano-card li {
  padding: 0.25rem 0;
  color: var(--branco);
}

.plano-preco {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--vermelho);
  margin: 0 0 0.5rem;
}

.plano-preco span {
  font-size: 0.6em;
  font-weight: 400;
  color: var(--branco);
}

.plano-nota {
  font-size: 0.8rem;
  color: var(--cinza);
  margin: 0.75rem 0 0;
}

.planos-cta {
  text-align: center;
  padding: 2rem;
  background: var(--preto);
  border-radius: var(--radius);
  border: 2px dashed var(--vermelho);
}

.planos-cta-text {
  font-family: var(--font-title);
  font-size: 1.25rem;
  margin: 0 0 1rem;
}

.qr-code {
  width: 120px;
  height: 120px;
  margin: 0 auto 1rem;
  display: block;
  border-radius: var(--radius);
}

/* ===== Depoimentos ===== */
.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.depoimento-card {
  background: var(--preto-soft);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 0;
  border-left: 4px solid var(--vermelho);
}

.depoimento-card img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.depoimento-card p {
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--branco);
}

.depoimento-card cite {
  font-size: 0.9rem;
  color: var(--cinza);
  font-style: normal;
}

/* ===== Galeria ===== */
.galeria {
  background: var(--preto-soft);
}

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.galeria-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.2s;
}

.galeria-grid img:hover {
  transform: scale(1.02);
}

/* ===== Horários / Grade ===== */
.horarios-intro {
  text-align: center;
  margin: 0 0 2rem;
  color: var(--branco);
}

.grade-wrapper {
  margin-bottom: 2.5rem;
}

.grade-wrapper:last-of-type {
  margin-bottom: 1rem;
}

.grade-tatame {
  font-family: var(--font-title);
  color: var(--vermelho);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table-responsive {
  overflow-x: auto;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  border: 2px solid var(--vermelho);
}

.grade-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.grade-table th,
.grade-table td {
  padding: 0.65rem 0.5rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.grade-table th {
  background: var(--vermelho);
  color: var(--branco-puro);
  font-family: var(--font-title);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.grade-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}

.grade-table tbody tr:hover {
  background: rgba(196, 30, 58, 0.1);
}

.grade-table td:first-child {
  font-weight: 600;
  color: var(--branco);
  background: var(--preto-soft);
  white-space: nowrap;
  min-width: 7rem;
}

.grade-table td:not(:first-child) {
  color: var(--branco);
}

.horarios-cta {
  text-align: center;
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--vermelho);
  margin: 0;
}

/* ===== Contato (simples) ===== */
.contato-simples {
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
}

.contato-simples p {
  margin: 0 0 1rem;
  color: var(--branco);
}

.contato-simples a {
  color: var(--vermelho);
}

.contato-simples .btn {
  margin-top: 0.5rem;
}

/* ===== Redes ===== */
.redes {
  background: var(--preto-soft);
  text-align: center;
}

.redes p {
  margin: 0 0 1rem;
  color: var(--branco);
}

/* ===== Footer ===== */
.footer {
  background: var(--preto);
  border-top: 3px solid var(--vermelho);
  padding: 2rem 0;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  opacity: 0.85;
}

.footer-endereco {
  font-size: 0.9rem;
  color: var(--cinza);
  margin: 0;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--branco);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--vermelho);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--cinza);
  margin: 0;
}