/* ==========================================================================
   VIANA CORP — Design tokens & base styles
   Fontes: Montserrat (títulos) via Google Fonts; Inter (texto) via Google Fonts.
   Observação: a fonte de marca definida no manual é "Bell MT" (fonte de sistema,
   não licenciada para web). Nas telas, o wordmark usa Montserrat 800 em
   substituição; se a VIANA CORP possuir licença web de uma fonte equivalente
   a Bell MT, basta trocar a variável --font-brand abaixo.
   ========================================================================== */

:root {
  /* Cores de marca (seção 5 do Manual Executivo) */
  --blue: #000096;
  --blue-med: #2f3fb0;
  --blue-digital: #00f0ff;
  --green: #1ed760;
  --orange: #e67e22;
  --red: #c02026;

  /* Neutros */
  --white: #ffffff;
  --gray-50: #f5f7fc;
  --gray-100: #eef1f8;
  --gray-300: #c9cee0;
  --text: #14161f;
  --muted: #5a6072;

  /* Tipografia */
  --font-brand: "Montserrat", sans-serif;
  --font-head: "Montserrat", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Layout */
  --max-w: 1180px;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 31, 0.06);
  --shadow-md: 0 12px 32px rgba(0, 0, 40, 0.10);
  --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--blue);
  line-height: 1.2;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(1.75rem, 2.8vw, 2.5rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--text); }
.lead { font-size: 1.15rem; color: var(--muted); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-med);
  margin-bottom: .75em;
}

/* Focus visibility (acessibilidade) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blue-digital);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  min-height: var(--header-h);
  padding: 10px 0;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-color: var(--gray-100);
}
.site-header .container {
  display: flex;
  align-items: center;
  width: 100%;
}
.brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; margin-right: 32px; }
.brand-mark { height: 26px; width: auto; display: block; }
.brand-text {
  font-family: var(--font-brand); font-weight: 800; font-size: 1.02rem;
  color: var(--blue); letter-spacing: .01em; white-space: nowrap;
}

.nav-desktop { display: flex; align-items: center; gap: 22px; }
.nav-desktop a {
  font-family: var(--font-head);
  font-size: .87rem;
  font-weight: 600;
  color: var(--text);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] { color: var(--blue); border-color: var(--blue); }

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; margin-left: auto; padding-left: 18px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .88rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-med); }
.btn-outline { background: transparent; color: var(--blue); border-color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-sm { padding: 9px 16px; font-size: .82rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--blue); border-radius: 2px; }

.nav-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--white);
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 99;
  overflow-y: auto;
}
.nav-mobile.is-open { transform: translateX(0); }
.nav-mobile .container { padding-top: 24px; display: flex; flex-direction: column; gap: 4px; }
.nav-mobile a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--blue);
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}
.nav-mobile .btn { margin-top: 20px; width: 100%; }
/* O seletor ".nav-mobile a" acima tem mais especificidade que ".btn-primary"
   sozinho (por combinar uma classe com o tipo "a"), então sem este bloco
   abaixo o botão herdava cor de texto azul (igual ao fundo azul do botão),
   tamanho de fonte e borda inferior da lista de links — deixando o texto
   "Fale Conosco" invisível dentro do menu mobile. */
.nav-mobile a.btn {
  color: var(--white);
  font-size: .88rem;
  padding: 12px 22px;
  border-bottom: none;
}

@media (max-width: 900px) {
  .nav-desktop, .header-actions .btn-outline { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  padding: 76px 0 64px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-units { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.hero-units span {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .78rem;
  color: var(--blue);
  background: var(--white);
  border: 1px solid var(--gray-300);
  padding: 8px 14px;
  border-radius: 999px;
}
.hero.hero-sm .container { grid-template-columns: 1fr; text-align: left; }
.hero-sm { padding: 56px 0 48px; }

/* Hero de uma coluna só, sem imagem/quadro ao lado — usado na Home */
.hero.hero-solo .container { grid-template-columns: 1fr; }
/* Removido o max-width específico daqui: o conteúdo do hero da Home agora
   usa a mesma largura do container que as demais páginas (hero-sm), para
   manter o mesmo "tamanho" visual ao navegar entre abas. */

.hero-unit-badge { height: 58px; width: auto; margin-bottom: 20px; }
.hero-signature { max-width: 460px; width: 100%; height: auto; margin-bottom: 22px; }

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
}

/* ---------------- Sections ---------------- */
section { padding: 64px 0; }
.section-head { max-width: 820px; margin-bottom: 40px; }
.section-alt { background: var(--gray-50); }

/* ---------------- Cards / grids ---------------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .icon {
  min-width: 40px; height: 40px; padding: 0 8px; border-radius: 10px;
  background: var(--gray-50); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 800; font-size: .85rem; margin-bottom: 16px;
}
.card ul { margin-top: 12px; }
.card ul li {
  font-size: .92rem; color: var(--muted); padding: 5px 0 5px 18px; position: relative;
}
.card ul li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue-digital);
}

.card-unit { border-top: 4px solid var(--blue); }
.card-unit.card-unit-primary { border-top-color: var(--orange); }

/* ---------------- Etiquetas de exemplo (competências) ---------------- */
.example-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.example-tags .tag {
  font-size: .78rem; color: var(--blue-med); background: var(--gray-50);
  border: 1px solid var(--gray-100); border-radius: 999px; padding: 5px 12px;
}
.example-note {
  margin-top: 8px; font-size: .85rem; color: var(--muted); font-style: italic;
  text-align: center;
}

/* ---------------- CTA band ---------------- */
.cta-band {
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2, .cta-band p { color: var(--white); }
.cta-band p { color: rgba(255,255,255,.82); margin: 0; }
.cta-band .btn-primary { background: var(--white); color: var(--blue); }
.cta-band .btn-primary:hover { background: var(--gray-50); }

/* ---------------- Footer ----------------
   Fundo claro (branco/cinza claro) por dois motivos: (1) o manual define
   "branco, azul corporativo e cinza claro" como visual dominante da marca
   (seção 5); (2) os ativos de logotipo fornecidos usam wordmark em azul
   sólido (#000096) sem versão reversa em branco — em fundo escuro o texto
   do logo ficaria com contraste insuficiente (~1.3:1, muito abaixo do
   mínimo de acessibilidade). Fundo claro resolve os dois pontos sem exigir
   uma versão adicional do logotipo. */
.site-footer { background: var(--gray-50); color: var(--muted); padding: 56px 0 28px; border-top: 1px solid var(--gray-100); }
.footer-brand { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.footer-mark { height: 22px; width: auto; }
.footer-brand-text { font-family: var(--font-brand); font-weight: 800; font-size: .95rem; color: var(--blue); }
.site-footer .footer-slogan { font-family: var(--font-head); font-weight: 600; font-size: .82rem; color: var(--blue-med); margin: 0 0 14px; }
.site-footer h4 { color: var(--blue); font-size: .95rem; }
.site-footer a { color: var(--muted); font-size: .92rem; }
.site-footer a:hover { color: var(--blue); }
.footer-grid { display: grid; grid-template-columns: 2fr 1.5fr 1fr 1fr; gap: 32px; }
.footer-grid li { padding: 6px 0; }
.footer-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--gray-100);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: .82rem; color: var(--muted);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

.social-icons { display: flex; gap: 10px; margin-top: 18px; }
.social-icons a {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--white); border: 1px solid var(--gray-300); color: var(--blue);
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.social-icons a:hover { background: var(--blue); color: var(--white); transform: translateY(-2px); }

.whatsapp-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.22);
  transition: transform .15s ease;
}
.whatsapp-float:hover { transform: scale(1.06); }
@media (max-width: 600px) {
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}

/* ---------------- Formulário de contato ---------------- */
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block; font-family: var(--font-head); font-weight: 700;
  font-size: .84rem; margin-bottom: 6px; color: var(--text);
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 13px 14px; border: 1px solid var(--gray-300);
  border-radius: 8px; font-family: var(--font-body); font-size: .95rem; color: var(--text);
  background: var(--white);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; }
.contact-channels li { padding: 14px 0; border-bottom: 1px solid var(--gray-100); }
.contact-channels .label { display: block; font-size: .8rem; color: var(--muted); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------------- Conteúdo & Insights ---------------- */
.search-field { max-width: 100%; width: 560px; margin-bottom: 20px; }
.search-field input {
  width: 100%; padding: 13px 16px; border: 1px solid var(--gray-300);
  border-radius: 999px; font-family: var(--font-body); font-size: .92rem;
  color: var(--text); background: var(--white);
}
.search-field input::placeholder { color: var(--muted); }
.search-field input:focus { border-color: var(--blue); }
.search-hint { margin: 8px 0 0; font-size: .8rem; color: var(--muted); }

.filter-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.chip {
  font-family: var(--font-head); font-weight: 700; font-size: .82rem;
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--gray-300);
  background: var(--white); color: var(--muted); cursor: pointer;
}
.chip.is-active, .chip:hover { border-color: var(--blue); color: var(--blue); }

.article-card { display: flex; flex-direction: column; }
.article-cover {
  aspect-ratio: 16/10; border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(135deg, var(--blue-med), var(--blue));
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.article-body { border: 1px solid var(--gray-100); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); padding: 22px; }
.article-cat { font-family: var(--font-head); font-weight: 700; font-size: .74rem; color: var(--blue-med); text-transform: uppercase; letter-spacing: .05em; }
.article-body h3 { margin: 10px 0 8px; }
.article-meta { font-size: .8rem; color: var(--muted); margin-top: 10px; }

.article-content { max-width: 720px; margin: 0 auto; }
.article-content h2 { margin-top: 1.6em; }
.article-content p { color: var(--text); font-size: 1.02rem; }
.article-content img {
  max-width: 100%; height: auto; display: block;
  border-radius: var(--radius); margin: 32px 0;
  box-shadow: var(--shadow-sm);
}
.article-content figure { margin: 32px 0; }
.article-content figcaption {
  margin-top: 10px; font-size: .85rem; color: var(--muted); text-align: center;
}

.empty-state {
  text-align: center; padding: 64px 24px; border: 1px dashed var(--gray-300);
  border-radius: var(--radius); color: var(--muted);
}

/* ---------------- Utilities ---------------- */
.text-center { text-align: center; margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }