/*
Theme Name: Upnet Blog
Theme URI: https://www.upnetweb.com.br/
Author: Upnet Telecom
Author URI: https://www.upnetweb.com.br/
Description: Tema oficial do Blog da Upnet Telecom — Fibra Óptica de Alta Performance
Version: 1.0.0
License: Proprietary
Text Domain: upnet-blog
*/

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

:root {
  --cor-preta:      #0d0d0d;
  --cor-branca:     #ffffff;
  --cor-azul:       #0057b8;
  --cor-azul-hover: #0041a0;
  --cor-azul-claro: #e8f1fc;
  --cor-cinza:      #f4f5f7;
  --cor-cinza-md:   #9aa0aa;
  --cor-texto:      #1a1a2e;
  --fonte-sans:     'Inter', 'Segoe UI', Arial, sans-serif;
  --raio:           6px;
  --sombra:         0 4px 24px rgba(0,0,0,.08);
  --transicao:      .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--cor-texto);
  background: var(--cor-branca);
}

a { color: var(--cor-azul); text-decoration: none; transition: color var(--transicao); }
a:hover { color: var(--cor-azul-hover); }

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--cor-preta);
  border-bottom: 3px solid var(--cor-azul);
  box-shadow: 0 2px 16px rgba(0,0,0,.4);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 16px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cor-branca);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.5px;
}

.navbar-brand .brand-badge {
  background: var(--cor-azul);
  color: var(--cor-branca);
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 6px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.navbar-nav a {
  color: #ccd2db;
  font-size: .88rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--raio);
  transition: background var(--transicao), color var(--transicao);
}

.navbar-nav a:hover,
.navbar-nav .current-menu-item a {
  background: rgba(255,255,255,.08);
  color: var(--cor-branca);
}

.btn-central {
  background: var(--cor-azul);
  color: var(--cor-branca) !important;
  padding: 8px 18px !important;
  border-radius: var(--raio) !important;
  font-weight: 600 !important;
}

.btn-central:hover {
  background: var(--cor-azul-hover) !important;
  color: var(--cor-branca) !important;
}

/* menu mobile */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cor-branca);
  margin: 5px 0;
  transition: var(--transicao);
}

@media (max-width: 768px) {
  .navbar-toggle { display: block; }
  .navbar-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--cor-preta);
    padding: 12px 24px 24px;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .navbar-nav.open { display: flex; }
  .navbar-nav a { width: 100%; padding: 10px 14px !important; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, #0d0d0d 0%, #0e1e3a 60%, #0057b8 100%);
  color: var(--cor-branca);
  padding: 88px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: .5;
}

.hero .container { position: relative; }

.hero-badge {
  display: inline-block;
  background: rgba(0, 87, 184, .35);
  border: 1px solid rgba(0, 87, 184, .6);
  color: #7db9ff;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -.5px;
}

.hero h1 span { color: #5cacff; }

.hero p {
  font-size: 1.1rem;
  color: #b0bec8;
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--raio);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transicao);
  text-decoration: none;
}

.btn-primary {
  background: var(--cor-azul);
  color: var(--cor-branca);
}
.btn-primary:hover {
  background: var(--cor-azul-hover);
  color: var(--cor-branca);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,87,184,.35);
}

.btn-outline {
  background: transparent;
  color: var(--cor-branca);
  border: 2px solid rgba(255,255,255,.35);
}
.btn-outline:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.6);
  color: var(--cor-branca);
  transform: translateY(-2px);
}

/* ============================================================
   CATEGORIAS EM DESTAQUE
   ============================================================ */
.section { padding: 72px 0; }
.section-alt { background: var(--cor-cinza); }

.section-header { text-align: center; margin-bottom: 52px; }

.section-label {
  display: inline-block;
  color: var(--cor-azul);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--cor-preta);
  margin-bottom: 12px;
  letter-spacing: -.3px;
}

.section-sub {
  font-size: 1rem;
  color: var(--cor-cinza-md);
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   CARDS DE CATEGORIA
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--cor-branca);
  border: 1px solid #e4e8ef;
  border-radius: 10px;
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transicao);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--cor-azul);
  box-shadow: 0 8px 28px rgba(0,87,184,.12);
  transform: translateY(-4px);
}

.category-card:hover .category-icon { background: var(--cor-azul); color: var(--cor-branca); }

.category-icon {
  width: 60px;
  height: 60px;
  background: var(--cor-azul-claro);
  color: var(--cor-azul);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
  transition: all var(--transicao);
}

.category-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.category-card p { font-size: .85rem; color: var(--cor-cinza-md); }

/* ============================================================
   POSTS RECENTES
   ============================================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.post-card {
  background: var(--cor-branca);
  border: 1px solid #e4e8ef;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transicao);
}

.post-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-4px);
  border-color: #c8d7f0;
}

.post-card-thumb {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #0d1b35, #0057b8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

.post-card-thumb img { width: 100%; height: 100%; object-fit: cover; }

.post-card-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }

.post-tag {
  display: inline-block;
  background: var(--cor-azul-claro);
  color: var(--cor-azul);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.post-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--cor-preta);
}

.post-card-body p {
  font-size: .88rem;
  color: #666;
  flex: 1;
  margin-bottom: 16px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .78rem;
  color: var(--cor-cinza-md);
  border-top: 1px solid #f0f2f5;
  padding-top: 12px;
  margin-top: auto;
}

.post-meta span { display: flex; align-items: center; gap: 4px; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cor-azul);
  font-size: .85rem;
  font-weight: 600;
  transition: gap var(--transicao);
}

.read-more:hover { gap: 10px; }

/* ============================================================
   BANNER EMPRESA
   ============================================================ */
.banner-empresa {
  background: linear-gradient(135deg, var(--cor-preta) 0%, #0e1e3a 100%);
  color: var(--cor-branca);
  padding: 72px 0;
  text-align: center;
}

.banner-empresa h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.banner-empresa h2 span { color: #5cacff; }

.banner-empresa p {
  color: #8fa3ba;
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto 32px;
}

.banner-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.stat { text-align: center; }
.stat-num { font-size: 2.4rem; font-weight: 800; color: var(--cor-branca); display: block; }
.stat-label { font-size: .82rem; color: #8fa3ba; text-transform: uppercase; letter-spacing: 1px; }

/* ============================================================
   SIDEBAR
   ============================================================ */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .content-layout { grid-template-columns: 1fr; }
}

.sidebar-widget {
  background: var(--cor-branca);
  border: 1px solid #e4e8ef;
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}

.widget-title {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cor-cinza-md);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cor-azul);
}

.widget-categories li {
  list-style: none;
  border-bottom: 1px solid #f0f2f5;
}

.widget-categories li:last-child { border-bottom: none; }

.widget-categories a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  color: var(--cor-texto);
  font-size: .9rem;
  transition: color var(--transicao);
}

.widget-categories a:hover { color: var(--cor-azul); }

.widget-categories .count {
  background: var(--cor-cinza);
  color: var(--cor-cinza-md);
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 10px;
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-box {
  background: linear-gradient(135deg, #0057b8, #003d8a);
  color: var(--cor-branca);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
}

.newsletter-box h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.newsletter-box p { font-size: .85rem; color: rgba(255,255,255,.75); margin-bottom: 16px; }

.newsletter-form { display: flex; flex-direction: column; gap: 10px; }

.newsletter-form input {
  padding: 10px 14px;
  border-radius: var(--raio);
  border: none;
  font-size: .9rem;
  width: 100%;
}

.newsletter-form button {
  background: var(--cor-branca);
  color: var(--cor-azul);
  font-weight: 700;
  padding: 10px;
  border: none;
  border-radius: var(--raio);
  cursor: pointer;
  font-size: .9rem;
  transition: all var(--transicao);
}

.newsletter-form button:hover { background: #e8f1fc; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--cor-preta);
  color: #8fa3ba;
  padding: 56px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand { color: var(--cor-branca); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }

.footer-about p { font-size: .88rem; line-height: 1.7; margin-bottom: 20px; }

.footer-social { display: flex; gap: 10px; margin-top: 20px; }

.social-btn {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8fa3ba;
  transition: all var(--transicao);
  text-decoration: none;
  flex-shrink: 0;
}

.social-btn svg { display: block; }

.social-btn:hover {
  background: var(--cor-azul);
  border-color: var(--cor-azul);
  color: var(--cor-branca);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,87,184,.4);
}

.footer-col h4 {
  color: var(--cor-branca);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #8fa3ba; font-size: .88rem; transition: color var(--transicao); }
.footer-links a:hover { color: var(--cor-branca); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: .8rem;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom a { color: #8fa3ba; }
.footer-bottom a:hover { color: var(--cor-branca); }

/* ============================================================
   UTILITÁRIOS
   ============================================================ */
.text-center { text-align: center; }
.mt-48 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }

.divider {
  width: 48px;
  height: 3px;
  background: var(--cor-azul);
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ============================================================
   PÁGINA INTERNA (posts, páginas)
   ============================================================ */
.entry-header { margin-bottom: 32px; }
.entry-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.2; }

.entry-content h2, .entry-content h3 { margin: 28px 0 12px; font-weight: 700; }
.entry-content p { margin-bottom: 18px; }
.entry-content ul, .entry-content ol { padding-left: 24px; margin-bottom: 18px; }
.entry-content li { margin-bottom: 6px; }
.entry-content img { border-radius: var(--raio); margin: 20px 0; }
.entry-content a { text-decoration: underline; text-underline-offset: 3px; }

.entry-content code {
  background: #f0f4f8;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .88em;
  color: #c7254e;
}

.entry-content pre {
  background: #1e2436;
  color: #e6edf3;
  padding: 20px 24px;
  border-radius: var(--raio);
  overflow-x: auto;
  font-size: .88rem;
  margin-bottom: 18px;
}

.entry-content pre code { background: none; color: inherit; padding: 0; }

/* breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  color: var(--cor-cinza-md);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--cor-azul); }
.breadcrumb-sep { color: #ccc; }

/* ============================================================
   ESTILOS DOS ARTIGOS (post content)
   ============================================================ */

/* Parágrafo introdutório em destaque */
.post-intro {
  font-size: 1.1rem;
  color: #374151;
  border-left: 4px solid var(--cor-azul);
  padding-left: 18px;
  margin-bottom: 32px;
  line-height: 1.8;
}

/* Card de dica / aviso */
.upnet-card-destaque {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #e8f1fc;
  border: 1px solid #b8d0f0;
  border-radius: 10px;
  padding: 18px 20px;
  margin: 24px 0;
}
.upnet-card-aviso { background: #fef9ec; border-color: #f5d87a; }
.upnet-card-destaque-icon { font-size: 1.8rem; line-height: 1; flex-shrink: 0; }

/* Tabelas comparativas */
.upnet-table-wrapper { overflow-x: auto; margin: 24px 0; }

.upnet-tabela-comparativa { width: 100%; border-collapse: collapse; font-size: .92rem; }
.upnet-tabela-comparativa th { background: var(--cor-azul); color: white; padding: 12px 16px; text-align: left; }
.upnet-tabela-comparativa td { padding: 11px 16px; border-bottom: 1px solid #e5eaf2; }
.upnet-tabela-comparativa tr:nth-child(even) td { background: #f4f7fc; }
.upnet-tabela-comparativa tr:hover td { background: #e8f1fc; }

/* Container de ilustrações SVG */
.upnet-svg-container {
  background: #f8fafc;
  border: 1px solid #e5eaf2;
  border-radius: 12px;
  padding: 20px;
  margin: 28px 0;
}
.upnet-svg-label {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #9aa0aa;
  margin-bottom: 14px;
}
.upnet-svg-caption {
  font-size: .85rem;
  color: #6b7a8d;
  text-align: center;
  margin-top: 12px;
  font-style: italic;
}

/* Cards de planos comparativos */
.upnet-planos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
}
@media (max-width: 640px) { .upnet-planos-grid { grid-template-columns: 1fr; } }

.upnet-plano-card { border-radius: 10px; overflow: hidden; border: 1px solid #e5eaf2; }
.upnet-plano-24 .upnet-plano-header { background: #e8f1fc; }
.upnet-plano-5  .upnet-plano-header { background: #dcfce7; }
.upnet-plano-header { padding: 18px 20px; }
.upnet-plano-header h3 { margin: 8px 0 0; font-size: 1rem; color: var(--cor-preta); }

.upnet-plano-badge {
  display: inline-block;
  background: var(--cor-azul);
  color: white;
  font-size: .75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}
.upnet-badge-verde { background: #16a34a; }

.upnet-plano-body { padding: 18px 20px; font-size: .9rem; }
.upnet-plano-body ul { padding-left: 0; list-style: none; margin: 8px 0 16px; }
.upnet-plano-body li { margin-bottom: 6px; }
.upnet-plano-body > p {
  margin: 0 0 4px;
  font-size: .8rem;
  color: #6b7a8d;
  text-transform: uppercase;
  letter-spacing: .5px;
  font-weight: 700;
}

/* CTA box ao final do post */
.upnet-cta-box {
  background: linear-gradient(135deg, #0d0d0d, #0e1e3a);
  color: white;
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  margin: 36px 0 0;
}
.upnet-cta-box h3 { font-size: 1.3rem; margin: 0 0 10px; color: white; }
.upnet-cta-box p  { color: #8fa3ba; margin: 0 0 24px; }
.upnet-cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.upnet-cta-btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .92rem;
  text-decoration: none;
  transition: opacity .2s;
}
.upnet-cta-btn:hover { opacity: .88; }
.upnet-cta-whatsapp { background: #25d366; color: white; }
.upnet-cta-phone { background: rgba(255,255,255,.1); color: white; border: 2px solid rgba(255,255,255,.3); }