/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); }
.btn-primary:hover { background: var(--color-accent); color: var(--color-white); }
.btn-outline { border-color: var(--border); color: var(--text); background: transparent; }
.btn-outline:hover { background: var(--bg-muted); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
  gap: var(--space-3);
}
.logo-link { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 34px; width: auto; display: block; }
.logo-img-dark { display: none; }
:root[data-theme='dark'] .logo-img-light { display: none; }
:root[data-theme='dark'] .logo-img-dark { display: block; }
.nav-desktop { display: none; align-items: center; gap: var(--space-5); }
.nav-link { font-size: 0.9rem; font-weight: 500; color: var(--text); transition: color var(--transition); }
.nav-link:hover, .nav-link.is-active { color: var(--color-accent); }
.nav-cta { font-size: 0.85rem; font-weight: 600; background: var(--btn-primary-bg); color: var(--btn-primary-text); padding: 0.65rem 1.4rem; border-radius: var(--radius-full); transition: background var(--transition); }
.nav-cta:hover { background: var(--color-accent); color: var(--color-white); }
.nav-toggle { background: none; border: none; padding: var(--space-2); color: var(--text); }
.nav-mobile { display: flex; flex-direction: column; border-top: 1px solid var(--border); background: var(--bg); }
.nav-mobile a { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); font-weight: 500; }
.nav-mobile[hidden] { display: none; }

.lang-switch {
  font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
  padding: 0.4rem 0.6rem; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition);
}
.lang-switch:hover { color: var(--text); background: var(--bg-muted); }

/* ===== Theme toggle ===== */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem; flex-shrink: 0;
  border: 1px solid var(--border); border-radius: 50%; background: transparent;
  color: var(--text); transition: background var(--transition), border-color var(--transition);
}
.theme-toggle:hover { background: var(--bg-muted); }
.theme-toggle .theme-icon-moon { display: none; }
:root[data-theme='dark'] .theme-toggle .theme-icon-sun { display: none; }
:root[data-theme='dark'] .theme-toggle .theme-icon-moon { display: inline-block; }

@media (min-width: 860px) {
  .nav-desktop { display: flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none !important; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--bg-muted);
  padding: var(--space-8) 0 var(--space-7);
  overflow: hidden;
  transition: background var(--transition);
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; }
.hero-inner h1 { color: var(--text); }
.hero-inner h1 em { color: var(--color-accent); font-style: italic; }
.hero-lede { font-size: 1.15rem; max-width: 620px; }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-5); }

/* Vídeo opcional no topo da home (Configurações > Home, no admin). Sempre com um véu
   escuro atrás do texto, para o título/subtítulo continuarem legíveis sobre qualquer
   vídeo, independente do tema claro/escuro escolhido pelo visitante. */
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,18,18,0.55), rgba(18,18,18,0.75));
  z-index: 1;
}
.hero-has-video { padding: var(--space-8) 0; min-height: 520px; display: flex; align-items: center; }
.hero-has-video .hero-inner h1,
.hero-has-video .hero-lede { color: var(--color-white); }
.hero-has-video .hero-inner h1 em { color: var(--color-accent); }

/* ===== Section shells ===== */
.section { padding: var(--space-8) 0; }
.section-dark { background: var(--color-black); color: var(--color-white); }
.section-dark p { color: #b7b7b7; }
.section-dark h2, .section-dark h3 { color: var(--color-white); }
.section-muted { background: var(--bg-muted); transition: background var(--transition); }
.section-head { max-width: 680px; margin-bottom: var(--space-6); }

/* ===== Grid layouts ===== */
.grid-2 { display: grid; gap: var(--space-6); grid-template-columns: 1fr; align-items: center; }
.services-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 700px) { .services-grid { grid-template-columns: 1fr 1fr; } .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===== Service card ===== */
.service-card {
  background: var(--color-dark);
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.service-icon {
  width: 3.2rem; height: 3.2rem;
  border-radius: var(--radius-sm);
  background: #262626;
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
/* Foto opcional do serviço (cadastrada em /admin/servicos.html) — substitui o ícone
   acima quando cadastrada. */
.service-image {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #262626;
  margin-bottom: var(--space-4);
}
.service-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card h3 { font-family: var(--font-sans); font-size: 1.15rem; margin-bottom: var(--space-2); }
.service-card p { font-size: 0.9rem; }

/* ===== Categoria de serviços (agrupa vários serviços/subcategorias na página /servicos) ===== */
.service-category { margin-bottom: var(--space-7); }
.service-category:last-child { margin-bottom: 0; }
.service-category-head { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4); }
.service-category-head h2 { color: var(--color-white); margin-bottom: var(--space-1); }
.service-category-head p { margin: 0; font-size: 0.95rem; }
.service-category-head .service-icon { margin-bottom: 0; flex-shrink: 0; }

/* ===== Case study rows ===== */
.case-study-list { display: flex; flex-direction: column; gap: var(--space-7); }
.case-study-row { display: grid; gap: var(--space-5); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .case-study-row { grid-template-columns: 7fr 5fr; } .case-study-row.reverse { grid-template-columns: 5fr 7fr; } }
.case-study-row.reverse .cs-media { order: -1; }
@media (min-width: 900px) { .case-study-row.reverse .cs-media { order: 1; } }
.cs-media { border-radius: var(--radius-md); overflow: hidden; background: var(--bg-muted); aspect-ratio: 3 / 2; }
.cs-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-study-row:hover .cs-media img { transform: scale(1.04); }
.cs-tags { display: flex; gap: var(--space-2); margin-bottom: var(--space-3); flex-wrap: wrap; }
.tag { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; background: var(--bg-muted); color: var(--text); padding: 0.3rem 0.75rem; border-radius: var(--radius-full); }
.cs-link { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 600; color: var(--color-accent); }

/* ===== Clients grid ===== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  align-items: center;
  text-align: center;
}
@media (min-width: 700px) { .clients-grid { grid-template-columns: repeat(5, 1fr); } }
.client-item { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
.client-logo { opacity: 0.6; transition: opacity var(--transition); max-height: 40px; margin: 0 auto; }
.client-item:hover .client-logo { opacity: 1; }
.client-note { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }

/* ===== Contact ===== */
.contact-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 950px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-item { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-4); }
.contact-item .icon-badge { flex-shrink: 0; width: 3rem; height: 3rem; border-radius: 50%; background: var(--bg-muted); color: var(--color-accent); display: flex; align-items: center; justify-content: center; }
.social-row { display: flex; gap: var(--space-3); }
.social-row a { width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--btn-primary-bg); color: var(--btn-primary-text); display: flex; align-items: center; justify-content: center; transition: background var(--transition); }
.social-row a:hover { background: var(--color-accent); color: var(--color-white); }

.form-card { background: var(--bg-muted); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: var(--space-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.85rem 1rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(217,45,32,0.15);
}
.field-row { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-message { padding: var(--space-3); border-radius: var(--radius-sm); margin-top: var(--space-4); font-size: 0.9rem; }
.form-message.success { background: #eafaf0; color: #1c7a41; border: 1px solid #b6e6c8; }
.form-message.error { background: #fdeceb; color: #b3251a; border: 1px solid #f3c2bd; }
.form-message[hidden] { display: none; }

/* ===== Footer ===== */
.site-footer { background: var(--color-black); color: var(--color-white); padding: var(--space-7) 0 var(--space-5); }
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; margin-bottom: var(--space-6); }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand p { color: #9a9a9a; font-size: 0.9rem; margin-top: var(--space-3); }
.footer-col h5 { color: var(--color-white); margin-bottom: var(--space-3); font-size: 0.95rem; }
.footer-col ul li { margin-bottom: var(--space-2); }
.footer-col a { color: #9a9a9a; font-size: 0.9rem; transition: color var(--transition); display: inline-flex; align-items: center; gap: var(--space-2); }
.footer-col a:hover { color: var(--color-white); }
.footer-bottom { border-top: 1px solid #2a2a2a; padding-top: var(--space-5); }
.footer-bottom p { color: #6f6f6f; font-size: 0.75rem; margin: 0; }

/* ===== Portfolio / listing pages ===== */
.portfolio-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 700px) { .portfolio-grid { grid-template-columns: 1fr 1fr; } }
.portfolio-card { display: block; background: var(--surface); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); transition: box-shadow var(--transition), background var(--transition); }
.portfolio-card:hover { box-shadow: var(--shadow-md); }
.portfolio-card .cs-media { aspect-ratio: 16/10; border-radius: 0; }
.portfolio-card-body { padding: var(--space-4); }
.post-date { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 0.4rem; }

/* ===== Fade-in scroll reveal ===== */
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* ===== Icon base ===== */
.icon { display: inline-block; vertical-align: middle; }
.icon-flip { transform: scaleX(-1); }

/* ===== Pagination ===== */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); margin-top: var(--space-6);
}
.pagination-status { font-size: 0.85rem; color: var(--text-muted); }
@media (max-width: 560px) { .pagination { flex-wrap: wrap; justify-content: center; text-align: center; } }

/* ===== Botão flutuante do WhatsApp ===== */
.whatsapp-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.06); box-shadow: 0 24px 55px rgba(0, 0, 0, 0.28); }
@media (max-width: 560px) { .whatsapp-fab { right: 1rem; bottom: 1rem; width: 50px; height: 50px; } }

/* ===== Barra de compartilhamento (posts do blog) ===== */
.share-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}
.share-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-right: var(--space-1); }
.share-row a,
.share-row .copy-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--bg-muted);
  color: var(--text);
  border: none;
  transition: background var(--transition), color var(--transition);
}
.share-row a:hover,
.share-row .copy-link-btn:hover { background: var(--color-accent); color: var(--color-white); }
.copy-link-btn.is-copied { background: #1c7a41; color: var(--color-white); }