/* ============================================================
   NUTRIESSENCIA v6.0 — MELHORIAS VISUAIS, ANIMAÇÕES E UX
   Design premium, micro-interações, acessibilidade aprimorada
   ============================================================ */

/* ---------- ANIMAÇÕES GLOBAIS ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-soft {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.04); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes gradientMove {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---------- REVEAL ON SCROLL ---------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- HERO PREMIUM ---------- */
.hero-section {
  position: relative;
  min-height: 520px;
  overflow: hidden;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--fundo-claro), transparent);
  pointer-events: none;
  z-index: 2;
}
.hero-content {
  animation: fadeInUp 0.9s ease-out;
}
.hero-badge {
  animation: fadeIn 1.2s ease-out;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.15) !important;
  border: 1px solid rgba(255,255,255,0.25) !important;
}
.hero-title {
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  letter-spacing: -0.02em;
}
.hero-title .destaque {
  background: linear-gradient(135deg, #22c55e, #86efac, #22c55e);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientMove 4s ease infinite;
}
.hero-stats {
  animation: fadeInUp 1.1s ease-out 0.3s both;
}
.btn-hero-primary {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(34,197,94,0.3);
  position: relative;
  overflow: hidden;
}
.btn-hero-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn-hero-primary:hover::before {
  left: 100%;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34,197,94,0.4);
}

/* ---------- HEADER PREMIUM ---------- */
.site-header {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.97);
}
.logo-icon svg {
  transition: transform 0.3s ease;
}
.site-logo:hover .logo-icon svg {
  transform: rotate(-8deg) scale(1.1);
}

/* ---------- CATEGORIA CARDS PREMIUM ---------- */
.categoria-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.categoria-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--verde-claro), transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
  border-radius: inherit;
}
.categoria-card:hover::before {
  opacity: 1;
}
.categoria-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(31,94,59,0.15);
}
.cat-icon {
  transition: transform 0.3s ease;
}
.categoria-card:hover .cat-icon {
  transform: scale(1.2);
}

/* ---------- ARTIGO CARDS PREMIUM ---------- */
.artigo-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}
.artigo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
  border-color: var(--verde-claro);
}
.artigo-card .thumb-wrap img,
.artigo-card .thumb-wrap .thumb-placeholder {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.artigo-card:hover .thumb-wrap img,
.artigo-card:hover .thumb-wrap .thumb-placeholder {
  transform: scale(1.06);
}
.artigo-card .ler-mais-link {
  position: relative;
  display: inline-block;
}
.artigo-card .ler-mais-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--verde-destaque);
  transition: width 0.3s ease;
}
.artigo-card:hover .ler-mais-link::after {
  width: 100%;
}

/* ---------- DESTAQUE PRINCIPAL PREMIUM ---------- */
.destaque-principal {
  border-radius: var(--borda-radius-xl);
  overflow: hidden;
}
.destaque-principal .post-thumb,
.destaque-principal img {
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), filter 0.7s ease;
}
.destaque-principal:hover .post-thumb,
.destaque-principal:hover img {
  transform: scale(1.04);
  filter: brightness(1.05);
}
.destaque-overlay {
  transition: opacity 0.5s ease;
}
.destaque-principal:hover .destaque-overlay {
  opacity: 0.65;
}

/* ---------- DESTAQUE SECUNDÁRIO PREMIUM ---------- */
.destaque-secundario {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}
.destaque-secundario:hover {
  transform: translateX(4px);
  border-color: var(--verde-claro);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

/* ---------- GUIA CARDS PREMIUM ---------- */
.guia-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.guia-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--verde-principal), var(--verde-destaque));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  border-radius: 0 0 var(--borda-radius-lg) var(--borda-radius-lg);
}
.guia-card:hover::after {
  transform: scaleX(1);
}
.guia-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(31,94,59,0.12);
}
.guia-badge-label {
  animation: pulse-soft 2.5s ease infinite;
}

/* ---------- RECEITA CARDS PREMIUM ---------- */
.receita-pop-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.receita-pop-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.1);
}
.receita-pop-img img {
  transition: transform 0.6s ease;
}
.receita-pop-card:hover .receita-pop-img img {
  transform: scale(1.08);
}
.receita-tempo-badge {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* ---------- MAIS LIDOS PREMIUM ---------- */
.mais-lido-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.mais-lido-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--verde-destaque);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  border-radius: 2px;
}
.mais-lido-card:hover::before {
  transform: scaleY(1);
}
.mais-lido-card:hover {
  transform: translateX(6px);
  background: var(--fundo-verde-suave);
}
.mais-lido-rank {
  transition: all 0.3s ease;
}
.mais-lido-card:hover .mais-lido-rank {
  color: var(--verde-destaque);
  transform: scale(1.15);
}

/* ---------- ARTIGO DESTAQUE ÚNICO PREMIUM ---------- */
.artigo-destaque-unico {
  border-radius: var(--borda-radius-xl);
  overflow: hidden;
  transition: box-shadow 0.4s ease;
}
.artigo-destaque-unico:hover {
  box-shadow: 0 20px 50px rgba(31,94,59,0.12);
}
.artigo-destaque-unico-img img {
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.artigo-destaque-unico:hover .artigo-destaque-unico-img img {
  transform: scale(1.03);
}

/* ---------- NEWSLETTER PREMIUM ---------- */
.newsletter-section {
  position: relative;
  overflow: hidden;
}
.newsletter-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.btn-newsletter-submit,
.btn-inscrever {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.btn-newsletter-submit:hover,
.btn-inscrever:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(34,197,94,0.35);
}
.newsletter-form-grande input:focus,
.email-input:focus {
  border-color: var(--verde-destaque);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
  outline: none;
}

/* ---------- CREDIBILIDADE PREMIUM ---------- */
.stat-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--verde-principal), var(--verde-destaque));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.stat-card:hover::before {
  transform: scaleX(1);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.stat-numero {
  background: linear-gradient(135deg, var(--verde-principal), var(--verde-destaque));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- SIDEBAR PREMIUM ---------- */
.sidebar-widget {
  transition: all 0.3s ease;
}
.sidebar-widget:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

/* ---------- SINGLE POST PREMIUM ---------- */
.post-header {
  animation: fadeInUp 0.6s ease-out;
}
.post-titulo-h1 {
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.post-conteudo h2,
.entry-content h2 {
  position: relative;
  padding-left: 16px;
}
.post-conteudo h2::before,
.entry-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(to bottom, var(--verde-principal), var(--verde-destaque));
  border-radius: 2px;
}
.post-conteudo blockquote,
.entry-content blockquote {
  border-left: 4px solid var(--verde-destaque);
  background: var(--fundo-verde-suave);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--borda-radius) var(--borda-radius) 0;
  font-style: italic;
  color: var(--cinza-escuro);
}

/* ---------- BOX RESUMO PREMIUM ---------- */
.box-resumo {
  border: 1px solid var(--verde-claro);
  border-left: 5px solid var(--verde-principal);
  background: linear-gradient(135deg, var(--fundo-verde-suave), var(--fundo-branco));
  border-radius: var(--borda-radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: 0 2px 8px rgba(31,94,59,0.06);
}

/* ---------- BOX AVISO MÉDICO PREMIUM ---------- */
.box-aviso-medico {
  border: 1px solid #fde68a;
  border-left: 5px solid #f59e0b;
  background: linear-gradient(135deg, #fffbeb, #ffffff);
  border-radius: var(--borda-radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

/* ---------- FAQ PREMIUM ---------- */
.faq-section {
  background: var(--fundo-claro);
  border-radius: var(--borda-radius-xl);
  padding: 2rem;
  margin: 2rem 0;
}
.faq-pergunta {
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 0.875rem 1rem;
  border-radius: var(--borda-radius);
  position: relative;
  padding-right: 2.5rem;
}
.faq-pergunta::after {
  content: '+';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--verde-principal);
  transition: transform 0.3s ease;
}
.faq-item.aberto .faq-pergunta::after {
  content: '−';
  transform: translateY(-50%) rotate(180deg);
}
.faq-pergunta:hover {
  background: var(--fundo-verde-suave);
}
.faq-resposta {
  padding: 0.5rem 1rem 1rem;
  animation: fadeIn 0.3s ease;
}

/* ---------- BREADCRUMB PREMIUM ---------- */
.breadcrumb {
  background: var(--fundo-claro);
  border-bottom: 1px solid var(--cinza-claro);
}
.breadcrumb-list a {
  transition: color 0.2s ease;
}
.breadcrumb-list a:hover {
  color: var(--verde-destaque);
}

/* ---------- PROGRESS BAR PREMIUM ---------- */
.leitura-progress-bar {
  background: linear-gradient(90deg, var(--verde-principal), var(--verde-destaque));
  height: 3px;
  box-shadow: 0 1px 4px rgba(34,197,94,0.3);
}

/* ---------- BACK TO TOP PREMIUM ---------- */
.back-to-top {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--verde-principal);
  box-shadow: 0 4px 16px rgba(31,94,59,0.3);
}
.back-to-top:hover {
  background: var(--verde-destaque);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(34,197,94,0.35);
}

/* ---------- FOOTER PREMIUM ---------- */
.site-footer {
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--verde-principal), var(--verde-destaque), var(--verde-principal));
  background-size: 200% auto;
  animation: gradientMove 5s ease infinite;
}
.footer-links a {
  transition: all 0.25s ease;
  position: relative;
}
.footer-links a:hover {
  color: var(--verde-destaque);
  padding-left: 6px;
}

/* ---------- SKELETON LOADING ---------- */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--borda-radius);
}

/* ---------- SELECTION STYLE ---------- */
::selection {
  background: rgba(34,197,94,0.2);
  color: var(--verde-principal);
}

/* ---------- FOCUS VISIBLE ---------- */
:focus-visible {
  outline: 2px solid var(--verde-destaque);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- SCROLLBAR CUSTOM ---------- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--fundo-claro);
}
::-webkit-scrollbar-thumb {
  background: var(--verde-principal);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--verde-destaque);
}

/* ---------- SMOOTH SCROLL ---------- */
html {
  scroll-behavior: smooth;
}

/* ---------- PRINT STYLES ---------- */
@media print {
  .site-header,
  .site-footer,
  .sidebar,
  .back-to-top,
  .newsletter-section,
  .leitura-progress-bar,
  .share-group,
  .search-overlay { display: none !important; }
  .post-conteudo,
  .entry-content { max-width: 100% !important; font-size: 12pt; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 80%; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- MOBILE REFINEMENTS ---------- */
@media (max-width: 768px) {
  .hero-section { min-height: 400px; }
  .hero-title { font-size: 1.75rem !important; }
  .hero-subtitle { font-size: 0.95rem !important; }
  .categorias-grid { gap: 0.5rem; }
  .categoria-card { padding: 0.75rem 0.5rem; }
  .section-titulo { font-size: 1.25rem; }
  .guias-grid { gap: 1rem; }
  .stat-card { padding: 1rem; }
  .post-titulo-h1 { font-size: 1.5rem; }
  .post-conteudo h2::before,
  .entry-content h2::before { display: none; }
  .post-conteudo h2,
  .entry-content h2 { padding-left: 0; }
}