/* ============================================================
   und3r networks — folha de estilo compartilhada
   Tema: azul claro, clean, responsivo
   ============================================================ */

:root {
  --azul-900: #0b3d63;
  --azul-700: #0369a1;
  --azul-600: #0284c7;
  --azul-500: #0ea5e9;
  --azul-400: #38bdf8;
  --azul-300: #7dd3fc;
  --azul-100: #e0f2fe;
  --azul-50:  #f0f9ff;

  --tinta:    #0f2740;
  --texto:    #33475b;
  --texto-suave: #64748b;
  --branco:   #ffffff;
  --borda:    #e2eef7;

  --sombra-sm: 0 2px 8px rgba(2, 132, 199, 0.06);
  --sombra:    0 10px 30px rgba(2, 132, 199, 0.10);
  --sombra-lg: 0 20px 50px rgba(2, 132, 199, 0.15);

  --raio:     16px;
  --raio-sm:  10px;
  --container: 1160px;
  --transicao: 0.25s ease;
  --fonte: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte);
  color: var(--texto);
  background: var(--branco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--tinta); line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
a { color: var(--azul-600); text-decoration: none; transition: color var(--transicao); }
a:hover { color: var(--azul-700); }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transicao), box-shadow var(--transicao), background var(--transicao);
  white-space: nowrap;
}
.btn-primario {
  background: linear-gradient(135deg, var(--azul-500), var(--azul-600));
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
}
.btn-primario:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14, 165, 233, 0.45); color:#fff; }
.btn-secundario {
  background: var(--branco);
  color: var(--azul-700);
  border-color: var(--azul-300);
}
.btn-secundario:hover { background: var(--azul-50); transform: translateY(-2px); }
.btn-fantasma {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}
.btn-fantasma:hover { background: rgba(255,255,255,0.28); color:#fff; }

/* ---------- Cabeçalho / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borda);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--tinta); letter-spacing: -0.03em; }
.logo:hover { color: var(--tinta); }
.logo .mark { width: 38px; height: 38px; }
.logo .azul { color: var(--azul-500); }
.logo-img { height: 34px; width: auto; }
.footer .logo-img { height: 30px; }

/* Faixa de clientes */
.clientes-strip { display:flex; justify-content:center; align-items:center; gap: 20px 48px; flex-wrap:wrap; }
.cliente-nome {
  font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em;
  color: var(--azul-900); opacity: 0.55;
  transition: opacity var(--transicao), color var(--transicao);
}
.cliente-nome:hover { opacity: 1; color: var(--azul-700); }
@media (max-width: 480px){ .cliente-nome { font-size: 1.1rem; } }

.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--texto);
  font-weight: 500;
  font-size: 0.96rem;
}
.nav-links a:hover { background: var(--azul-50); color: var(--azul-700); }
.nav-links a.ativo { background: var(--azul-100); color: var(--azul-700); font-weight: 600; }
.nav-cta { margin-left: 8px; }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--tinta); margin: 5px 0; border-radius: 2px; transition: var(--transicao); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--azul-50) 0%, var(--azul-100) 55%, #d7edfb 100%);
  padding: 96px 0 108px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(56,189,248,0.35), transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -160px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(125,211,252,0.35), transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--azul-200, #bae6fd);
  color: var(--azul-700);
  padding: 7px 16px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 22px;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--azul-500); box-shadow: 0 0 0 4px rgba(14,165,233,0.2); }
.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: 20px; }
.hero h1 .destaque {
  background: linear-gradient(120deg, var(--azul-600), var(--azul-400));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.18rem; color: var(--texto); max-width: 540px; margin-bottom: 32px; }
.hero-acoes { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .num { font-size: 1.9rem; font-weight: 800; color: var(--azul-700); }
.hero-stats .rot { font-size: 0.88rem; color: var(--texto-suave); }

/* visual do hero */
.hero-visual {
  position: relative;
  background: linear-gradient(150deg, #fff, var(--azul-50));
  border: 1px solid var(--borda);
  border-radius: 24px;
  box-shadow: var(--sombra-lg);
  padding: 26px;
}
.hero-visual .barra { display:flex; gap:6px; margin-bottom:18px; }
.hero-visual .barra span { width:11px; height:11px; border-radius:50%; background: var(--azul-300); }
.hero-visual .barra span:nth-child(1){ background:#fca5a5; }
.hero-visual .barra span:nth-child(2){ background:#fcd34d; }
.hero-visual .barra span:nth-child(3){ background:#6ee7b7; }
.mini-card {
  display:flex; align-items:center; gap:14px;
  background:#fff; border:1px solid var(--borda);
  border-radius: 14px; padding: 16px; margin-bottom: 12px;
  box-shadow: var(--sombra-sm);
}
.mini-card:last-child { margin-bottom: 0; }
.mini-card .ic { width:44px; height:44px; border-radius:12px; display:grid; place-items:center; background: var(--azul-100); color: var(--azul-600); flex-shrink:0; }
.mini-card .ic svg { width:24px; height:24px; }
.mini-card strong { display:block; color: var(--tinta); font-size:0.98rem; }
.mini-card span { font-size:0.84rem; color: var(--texto-suave); }
.mini-card .barra-prog { margin-left:auto; text-align:right; }
.mini-card .barra-prog b { color: var(--azul-600); font-size: 1.1rem; }

/* ---------- Seções ---------- */
section { padding: 88px 0; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.sec-head .rotulo { color: var(--azul-600); font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.82rem; }
.sec-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin: 12px 0 14px; }
.sec-head p { color: var(--texto-suave); font-size: 1.08rem; }

.bg-suave { background: linear-gradient(180deg, var(--azul-50), #fff); }

/* Grid de cards de solução */
.grid { display: grid; gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 30px 26px;
  transition: transform var(--transicao), box-shadow var(--transicao), border-color var(--transicao);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: var(--azul-300); }
.card .icone {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul-100), #d7edfb);
  color: var(--azul-600); margin-bottom: 20px;
}
.card .icone svg { width: 30px; height: 30px; }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--texto-suave); font-size: 0.97rem; }
.card .link-mais { display:inline-flex; align-items:center; gap:6px; margin-top:16px; font-weight:600; font-size:0.92rem; }

/* Lista de checagem */
.check-list { list-style: none; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--azul-100); color: var(--azul-700);
  display: grid; place-items: center; font-weight: 700; font-size: 0.8rem;
}

/* Bloco alternado (imagem/texto) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .visual {
  background: linear-gradient(150deg, var(--azul-100), #d7edfb);
  border-radius: var(--raio);
  min-height: 320px;
  display: grid; place-items: center;
  color: var(--azul-600);
  box-shadow: var(--sombra);
}
.split .visual svg { width: 120px; height: 120px; opacity: 0.9; }

/* ---------- Serviço detalhado ---------- */
.servico-bloco {
  display: grid; grid-template-columns: 320px 1fr; gap: 40px;
  align-items: start;
  background: #fff; border: 1px solid var(--borda);
  border-radius: var(--raio); padding: 40px; margin-bottom: 28px;
  box-shadow: var(--sombra-sm);
}
.servico-bloco .cabeca .icone-gd {
  width: 72px; height: 72px; border-radius: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul-500), var(--azul-600));
  color: #fff; margin-bottom: 20px;
}
.servico-bloco .cabeca .icone-gd svg { width: 38px; height: 38px; }
.servico-bloco h3 { font-size: 1.5rem; margin-bottom: 12px; }
.servico-bloco .cabeca p { color: var(--texto-suave); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { background: var(--azul-50); color: var(--azul-700); border: 1px solid var(--borda); padding: 5px 12px; border-radius: 999px; font-size: 0.82rem; font-weight: 500; }

/* ---------- Projetos ---------- */
.projeto {
  background:#fff; border:1px solid var(--borda); border-radius: var(--raio);
  overflow: hidden; transition: transform var(--transicao), box-shadow var(--transicao);
}
.projeto:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.projeto .capa {
  height: 180px; display: grid; place-items: center;
  color:#fff; position: relative;
}
.projeto .capa.g1 { background: linear-gradient(135deg, #0ea5e9, #0369a1); }
.projeto .capa.g2 { background: linear-gradient(135deg, #38bdf8, #0284c7); }
.projeto .capa.g3 { background: linear-gradient(135deg, #7dd3fc, #0ea5e9); }
.projeto .capa.g4 { background: linear-gradient(135deg, #0284c7, #0b3d63); }
.projeto .capa.g5 { background: linear-gradient(135deg, #22d3ee, #0891b2); }
.projeto .capa.g6 { background: linear-gradient(135deg, #60a5fa, #2563eb); }
.projeto .capa svg { width: 64px; height: 64px; opacity: 0.95; }
.projeto .capa .badge { position:absolute; top:14px; left:14px; background: rgba(255,255,255,0.9); color: var(--azul-700); font-size:0.74rem; font-weight:700; padding:4px 12px; border-radius:999px; text-transform:uppercase; letter-spacing:0.05em; }
.projeto .corpo { padding: 24px; }
.projeto .corpo h3 { font-size: 1.18rem; margin-bottom: 10px; }
.projeto .corpo p { color: var(--texto-suave); font-size: 0.95rem; }
.projeto .meta { display:flex; gap:16px; margin-top:16px; padding-top:16px; border-top:1px solid var(--borda); font-size:0.84rem; color: var(--texto-suave); }
.projeto .meta b { color: var(--azul-700); }

/* ---------- Números / faixa ---------- */
.faixa-num {
  background: linear-gradient(135deg, var(--azul-600), var(--azul-900));
  color:#fff; border-radius: 24px; padding: 56px 40px;
  display:grid; grid-template-columns: repeat(4,1fr); gap: 30px; text-align:center;
}
.faixa-num .num { font-size: 2.6rem; font-weight: 800; color:#fff; }
.faixa-num .rot { color: rgba(255,255,255,0.8); font-size:0.95rem; }

/* ---------- Sobre / valores ---------- */
.valor { text-align:center; padding: 28px; }
.valor .icone { margin: 0 auto 18px; }
.timeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 40px; }
.timeline::before { content:""; position:absolute; left:12px; top:8px; bottom:8px; width:2px; background: var(--azul-200,#bae6fd); }
.timeline .item { position: relative; padding-bottom: 34px; }
.timeline .item::before { content:""; position:absolute; left:-34px; top:4px; width:18px; height:18px; border-radius:50%; background: var(--azul-500); border:4px solid var(--azul-100); }
.timeline .item .ano { color: var(--azul-600); font-weight:700; font-size:0.9rem; }
.timeline .item h4 { margin:4px 0 6px; }
.timeline .item p { color: var(--texto-suave); font-size:0.96rem; }

/* ---------- CTA faixa ---------- */
.cta-faixa {
  background: linear-gradient(135deg, var(--azul-500), var(--azul-700));
  border-radius: 24px; padding: 56px 40px; text-align: center; color:#fff;
  position: relative; overflow: hidden;
}
.cta-faixa::before { content:""; position:absolute; top:-80px; right:-40px; width:280px; height:280px; background: radial-gradient(circle, rgba(255,255,255,0.18), transparent 70%); border-radius:50%; }
.cta-faixa h2 { color:#fff; font-size: clamp(1.7rem,3vw,2.3rem); margin-bottom:14px; position:relative; }
.cta-faixa p { color: rgba(255,255,255,0.9); font-size:1.1rem; max-width:560px; margin:0 auto 28px; position:relative; }
.cta-faixa .btn-secundario { position:relative; }

/* ---------- Formulário ---------- */
.form-contato { background:#fff; border:1px solid var(--borda); border-radius: var(--raio); padding: 40px; box-shadow: var(--sombra-sm); }
.campo { margin-bottom: 20px; }
.campo label { display:block; font-weight:600; color: var(--tinta); margin-bottom:8px; font-size:0.92rem; }
.campo input, .campo select, .campo textarea {
  width:100%; padding: 13px 16px; border:1px solid var(--borda); border-radius: var(--raio-sm);
  font-family: inherit; font-size:0.98rem; color: var(--texto); background: var(--azul-50);
  transition: border-color var(--transicao), box-shadow var(--transicao);
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--azul-400); background:#fff;
  box-shadow: 0 0 0 4px rgba(56,189,248,0.15);
}
.campo textarea { min-height: 130px; resize: vertical; }
.linha-2 { display:grid; grid-template-columns:1fr 1fr; gap:20px; }

.info-contato { display:grid; gap: 18px; }
.info-item { display:flex; gap:16px; align-items:flex-start; background:#fff; border:1px solid var(--borda); border-radius: var(--raio); padding: 22px; }
.info-item .ic { width:48px; height:48px; border-radius:12px; background: var(--azul-100); color: var(--azul-600); display:grid; place-items:center; flex-shrink:0; }
.info-item strong { display:block; color: var(--tinta); margin-bottom:2px; }
.info-item span, .info-item a { color: var(--texto-suave); font-size:0.95rem; }

/* ---------- Page hero (páginas internas) ---------- */
.page-hero { background: linear-gradient(160deg, var(--azul-50), var(--azul-100)); padding: 72px 0 60px; text-align:center; position:relative; overflow:hidden; }
.page-hero::after { content:""; position:absolute; bottom:-140px; right:-80px; width:340px; height:340px; background: radial-gradient(circle, rgba(56,189,248,0.3), transparent 70%); border-radius:50%; }
.page-hero .container { position:relative; z-index:1; }
.page-hero .pill { margin-bottom:18px; }
.page-hero h1 { font-size: clamp(2rem,4vw,2.9rem); margin-bottom:14px; }
.page-hero p { color: var(--texto-suave); font-size:1.12rem; max-width:600px; margin:0 auto; }
.breadcrumb { font-size:0.86rem; color: var(--texto-suave); margin-top:18px; }
.breadcrumb a { color: var(--azul-600); }

/* ---------- Rodapé ---------- */
.footer { background: var(--azul-900); color: #cfe3f2; padding: 64px 0 28px; }
.footer .grid-foot { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer h4 { color:#fff; font-size:1rem; margin-bottom:18px; }
.footer .logo { color:#fff; margin-bottom:16px; }
.footer p { color:#9fc4de; font-size:0.94rem; }
.footer ul { list-style:none; display:grid; gap:10px; }
.footer ul a { color:#9fc4de; font-size:0.94rem; }
.footer ul a:hover { color:#fff; }
.footer .redes { display:flex; gap:12px; margin-top:18px; }
.footer .redes a { width:40px; height:40px; border-radius:10px; background: rgba(255,255,255,0.08); display:grid; place-items:center; color:#cfe3f2; }
.footer .redes a:hover { background: var(--azul-500); color:#fff; }
.footer .base { border-top:1px solid rgba(255,255,255,0.12); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:0.88rem; color:#9fc4de; }

/* ---------- Animações ---------- */
/* Sem JS, todo o conteúdo aparece normalmente. A animação só é aplicada quando o JS marca <html class="js">. */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.visivel { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 460px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .faixa-num { grid-template-columns: repeat(2, 1fr); }
  .servico-bloco { grid-template-columns: 1fr; gap: 24px; padding: 30px; }
  .footer .grid-foot { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; align-items: stretch;
    background: #fff; padding: 16px 24px 24px;
    border-bottom: 1px solid var(--borda);
    box-shadow: var(--sombra); gap: 4px;
    transform: translateY(-120%); transition: transform 0.3s ease;
    max-height: calc(100vh - 74px); overflow:auto;
  }
  .nav-links.aberto { transform: translateY(0); }
  .nav-links a { padding: 12px 14px; }
  .nav-cta { margin: 8px 0 0; }
  .menu-toggle { display: block; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 72px; }
  .linha-2 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-4, .grid-3, .grid-2, .faixa-num, .footer .grid-foot { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .container { padding: 0 18px; }
}