/* ---------- RESET & BASE ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Cores principais */
  --cor-primaria: #0b1a2e;
  --cor-secundaria: #1e3a5f;
  --cor-destaque: #e67e22;
  --cor-fundo: #f8fafc;

  /* COres basicas */
  --cor-padrao-braco: #ffffff;
  --cor-padrao-escuro: #000000; 
  
  /* Tipografia */
  --fonte-principal: 'Inter', sans-serif;
  --titulo-grande: 3.2rem;
  --texto-normal: 1rem;
  
  /* Espaçamentos */
  --espacamento-padrao: 24px;
  --border-radius: 28px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--cor-fundo);
  color: var(--cor-primaria);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- TYPOGRAPHY & UTILS ---------- */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  justify-content: center;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  color: var(--cor-secundaria);
  background: rgba(30, 58, 95, 0.04);
  padding: 12px 20px;
  border-radius: 60px;
  backdrop-filter: blur(2px);
  margin-top: 16px;
}

.tag-group span {
  background: var(--cor-padrao-braco);
  padding: 4px 14px;
  border-radius: 40px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.02);
}

.btn {
  display: inline-block;
  background: var(--cor-primaria);
  color: var(--cor-padrao-braco);
  font-weight: 600;
  padding: 10px 28px;
  border-radius: 60px;
  transition: 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  box-shadow: 0 4px 10px rgba(11, 26, 46, 0.08);
}

.btn:hover {
  background: var(--cor-secundaria);
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(11, 26, 46, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--cor-primaria);
  border: 1.5px solid var(--cor-primaria);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--cor-primaria);
  color: var(--cor-padrao-braco);
}

.btn-warning {
  background: var(--cor-destaque);
  color: var(--cor-primaria);
  box-shadow: 0 4px 10px rgba(230, 126, 34, 0.3);
}

.btn-warning:hover {
  background: #d35400;
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(230, 126, 34, 0.4);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section-title i {
  color: var(--cor-secundaria);
  font-size: 1.8rem;
}

.section-title .badge-recent,
.section-title .badge-free {
  font-size: 0.8rem;
  font-weight: 400;
  background: #eef2f7;
  padding: 4px 18px;
  border-radius: 40px;
}

.badge-free {
  background: var(--cor-destaque);
  color: var(--cor-primaria);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  justify-items: center;
}

/* ---------- HEADER / NAV ---------- */
.navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.03);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--cor-secundaria);
}

.logo i {
  margin-right: 8px;
  color: var(--cor-destaque);
}

.nav-links {
  display: flex;
  gap: 32px;
  font-weight: 500;
  font-size: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-links a {
  transition: 0.15s;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
}

.nav-links a:hover {
  border-bottom-color: var(--cor-destaque);
  color: var(--cor-secundaria);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-actions i {
  font-size: 1.2rem;
  color: var(--cor-secundaria);
  cursor: pointer;
  transition: 0.2s;
}

.nav-actions i:hover {
  color: var(--cor-destaque);
}

/* ---------- HERO ---------- */
.hero {
  padding: 40px 0 32px;
  text-align: center;
  background: linear-gradient(145deg, #f0f4fe 0%, #ffffff 100%);
  border-radius: 0 0 40px 40px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
}

.hero h1 i {
  color: var(--cor-destaque);
}

.hero p {
  font-size: 1.25rem;
  color: #2c3e50;
  max-width: 700px;
  margin: 16px auto 8px;
  font-weight: 400;
}

.hero .tag-group {
  max-width: 800px;
  margin: 20px auto 0;
}

/* ---------- CARDS (materiais, tutoriais, loja) ---------- */
.main-section {
  margin-bottom: 24px;
}

.card {
  background: var(--cor-padrao-braco);
  border-radius: 28px;
  padding: 28px 24px 32px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.02);
  transition: 0.25s ease;
  border: 1px solid rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
  max-width: 400px;
  width: 100%;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px -12px rgba(11, 26, 46, 0.12);
  border-color: rgba(30, 58, 95, 0.08);
}

.card-dark {
  background: var(--cor-primaria);
  color: var(--cor-padrao-braco);
  border-color: var(--cor-secundaria);
}

.card-dark h3 {
  color: var(--cor-padrao-braco);
}

.card-dark p {
  color: var(--cor-padrao-braco);
}

.card-dark .meta-list {
  color: rgba(255,255,255,0.75);
}

.card-icon {
  font-size: 2.8rem;
  color: var(--cor-secundaria);
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p {  
  margin-bottom: 20px;
  flex: 1;
}

.card .meta-list {
  list-style: none;
  margin-top: 8px;
  font-size: 0.9rem;
}

.card .meta-list li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,0,0,0.02);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card .meta-list i {
  color: var(--cor-destaque);
  width: 20px;
  font-size: 0.9rem;
}

.card .btn,
.card .btn-outline {
  margin-top: 16px;
  align-self: flex-start;
}

.badge {
  background: var(--cor-destaque);
  color: var(--cor-padrao-braco);
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 40px;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: inline-block;
}

/* ---------- SEÇÃO ARTIGOS (detalhados) ---------- */
.articles-section {
  margin: auto;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  justify-items: center;
}

.article-card {
  background: var(--cor-padrao-braco);
  border-radius: 28px;
  padding: 24px 28px;
  border: 1px solid rgba(0,0,0,0.02);
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
  transition: 0.2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 400px;
  width: 100%;
}

.article-card:hover {
  border-color: rgba(30, 58, 95, 0.1);
  box-shadow: 0 12px 28px -8px rgba(11, 26, 46, 0.06);
}

.article-card .meta {
  display: flex;
  gap: 20px;
  font-size: 0.8rem;
  color: #4a5b6e;
  font-weight: 500;
  flex-wrap: wrap;
}

.article-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
}

.article-card p {
  color: #2c3e50;
  margin: 4px 0 8px;
}

.article-card .tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.article-card .tags span {
  background: #eef2f7;
  padding: 2px 14px;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--cor-secundaria);
}

.read-more {
  font-weight: 600;
  margin-top: 8px;
  color: var(--cor-secundaria);
  transition: 0.2s;
}

.read-more:hover {
  color: var(--cor-destaque);
}

/* ---------- LOJA / PRODUTOS ---------- */
.shop-section {
  margin: auto;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin: 20px 0 32px;
  justify-items: center;
}

.product-item {
  background: var(--cor-padrao-braco);
  border-radius: 24px;
  padding: 20px 16px 22px;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.02);
  transition: 0.2s;
  box-shadow: 0 4px 10px rgba(0,0,0,0.01);
  max-width: 250px;
  width: 100%;
}

.product-item:hover {
  border-color: rgba(30, 58, 95, 0.08);
  transform: scale(1.01);
}

.product-item .product-icon {
  font-size: 3rem;
  color: var(--cor-secundaria);
  margin-bottom: 6px;
}

.product-item h5 {
  font-weight: 700;
  font-size: 1rem;
}

.product-item p {
  font-size: 0.8rem;
  color: #2c3e50;
  margin: 4px 0;
}

.product-item .price {
  font-weight: 600;
  color: var(--cor-destaque);
  margin: 6px 0 12px;
}

.product-item .btn-sm {
  background: var(--cor-primaria);
  color: var(--cor-padrao-braco);
  border: none;
  padding: 6px 24px;
  border-radius: 40px;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: 0.15s;
}

.product-item .btn-sm:hover {
  background: var(--cor-secundaria);
}

.shop-footer {
  text-align: center;
  margin: 8px 0 16px;
}

/* ---------- FOOTER ---------- */
.footer {
  margin-top: 56px;
  background: var(--cor-primaria);
  color: rgba(255,255,255,0.8);
  padding: 40px 0 32px;
  border-radius: 40px 40px 0 0;
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
}

.footer-col {
  flex: 1;
  min-width: 150px;
}

.footer-col h5 {
  color: var(--cor-padrao-braco);
  font-weight: 700;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.footer-col p,
.footer-col a {
  font-size: 0.9rem;
  line-height: 2;
}

.footer-col a:hover {
  color: var(--cor-destaque);
}

.footer-tagline {
  opacity: 0.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 32px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
  width: 100%;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .grid-3 {
    gap: 24px;
  }
  
  .articles-grid {
    gap: 20px;
  }
  
  .shop-grid {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 14px;
  }
  
  .nav-links {
    gap: 18px;
    font-size: 0.95rem;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .hero p {
    font-size: 1.1rem;
    padding: 0 16px;
  }
  
  .section-title {
    font-size: 1.6rem;
    gap: 8px;
  }
  
  .grid-3 {
    gap: 20px;
  }
  
  .card {
    max-width: 100%;
  }
  
  .article-card {
    max-width: 100%;
  }
  
  .product-item {
    max-width: 100%;
  }
  
  .footer .container {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-col {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .tag-group {
    font-size: 0.7rem;
    padding: 10px 14px;
    gap: 6px 10px;
  }
  
  .tag-group span {
    padding: 3px 10px;
  }
  
  .card {
    padding: 20px;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  .section-title .badge-recent,
  .section-title .badge-free {
    font-size: 0.7rem;
    padding: 3px 12px;
  }
  
  .article-card {
    padding: 18px 20px;
  }
  
  .article-card .meta {
    gap: 12px;
    font-size: 0.7rem;
  }
  
  .product-item {
    padding: 16px 12px;
  }
  
  .btn {
    padding: 8px 20px;
    font-size: 0.85rem;
  }
  
  .shop-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: 1.5rem;
  }
  
  .nav-links {
    gap: 12px;
    font-size: 0.85rem;
  }
  
  .logo {
    font-size: 1.3rem;
  }
  
  .container {
    padding: 0 16px;
  }
}