/* Charis Tecnologia — site institucional */
:root {
  --azul: #00A8FD;
  --azul-escuro: #0086cc;
  --preto: #111111;
  --texto: #2b2b2b;
  --cinza: #6b6b6b;
  --linha: #e6e6e6;
  --fundo: #ffffff;
  --fundo-suave: #f6f8fa;
  --raio: 14px;
  --max: 1160px;
  --fonte: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--fonte);
  color: var(--texto);
  background: #e6e8ec linear-gradient(180deg, #f1f2f5 0%, #dfe2e7 45%, #c8ccd3 100%) no-repeat;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { color: var(--preto); line-height: 1.15; margin: 0 0 .6em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }

.container { width: min(var(--max), 100% - 48px); margin-inline: auto; }
.secao { padding: clamp(64px, 9vw, 120px) 0; position: relative; overflow: hidden; }
.secao--suave { background: rgba(255, 255, 255, .55); }
.secao--escura { background: var(--preto); color: #d6d6d6; }
.secao--escura h2, .secao--escura h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .78rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--cinza); margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 3px; height: 22px; background: var(--azul); }
.secao--escura .eyebrow { color: #9aa3ab; }
.lead { font-size: 1.15rem; color: var(--cinza); max-width: 60ch; }
.secao--escura .lead { color: #b5bcc2; }

/* Arcos decorativos (do papel timbrado) */
.arcos {
  position: absolute; width: min(480px, 60vw); aspect-ratio: 1; color: #111;
  opacity: .55; pointer-events: none; z-index: 0;
  background: url("../assets/arcos.svg") no-repeat center / contain;
}
.arcos--tr { top: 0; right: 0; }
.arcos--br { bottom: 0; right: 0; transform: scaleY(-1); }
.secao--escura .arcos { filter: invert(1); opacity: .22; }
.container { position: relative; z-index: 1; }

/* Botões */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px; border-radius: 999px; font: 600 .95rem var(--fonte);
  border: 2px solid transparent; cursor: pointer; transition: .2s;
}
.btn--azul { background: var(--azul); color: #fff; }
.btn--azul:hover { background: var(--azul-escuro); transform: translateY(-2px); }
.btn--contorno { border-color: var(--preto); color: var(--preto); background: transparent; }
.btn--contorno:hover { background: var(--preto); color: #fff; }
.secao--escura .btn--contorno { border-color: #fff; color: #fff; }
.secao--escura .btn--contorno:hover { background: #fff; color: var(--preto); }
.acoes { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* Cabeçalho */
.topo {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linha);
}
.topo__in { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.topo__logo img { height: 40px; width: auto; }
.menu { display: flex; align-items: center; gap: 34px; }
.menu a { font-size: .9rem; font-weight: 500; position: relative; padding: 6px 0; }
.menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--azul); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.menu a:not(.btn):hover::after, .menu a[aria-current="page"]::after { transform: scaleX(1); }
.menu .btn { padding: 11px 22px; font-size: .85rem; color: #fff; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--preto); margin: 6px 0; transition: .25s; }

/* Hero */
.hero { padding: clamp(72px, 11vw, 150px) 0 clamp(64px, 9vw, 120px); }
.hero h1 em, .hero--interna h1 em { font-style: normal; color: var(--azul); }
.hero .lead { margin-top: 8px; }
.hero__selo {
  display: inline-block; margin-top: 56px; font-size: .78rem; letter-spacing: .22em; font-weight: 600;
  padding-left: 14px; border-left: 3px solid var(--azul); color: var(--cinza);
}
.hero--interna { padding: clamp(56px, 8vw, 100px) 0 clamp(40px, 6vw, 70px); border-bottom: 1px solid var(--linha); }
.hero--interna h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.hero--interna { padding-bottom: clamp(16px, 2.5vw, 28px); }
.hero--interna .arcos { width: min(320px, 50vw); }
.hero--interna + .secao { padding-top: clamp(28px, 3.5vw, 44px); }

/* Grades e cartões */
.grade { display: grid; gap: 24px; }
.grade--3 { grid-template-columns: repeat(3, 1fr); }
.grade--2 { grid-template-columns: repeat(2, 1fr); }
.grade--4 { grid-template-columns: repeat(4, 1fr); }
.cabeca { max-width: 680px; margin-bottom: 48px; }

.card {
  background: #fff; border: 1px solid var(--linha); border-radius: var(--raio);
  padding: 32px 28px; transition: .25s; position: relative;
}
.card:hover { transform: translateY(-5px); border-color: var(--azul); box-shadow: 0 18px 40px -22px rgba(0,168,253,.55); }
.card p { color: var(--cinza); margin: 0; font-size: .95rem; }
.card__icone {
  width: 48px; height: 48px; border-radius: 12px; background: rgba(0,168,253,.12);
  display: grid; place-items: center; margin-bottom: 20px; color: var(--azul);
}
.card__icone svg { width: 24px; height: 24px; }
.secao--escura .card { background: #1a1a1a; border-color: #2a2a2a; }
.secao--escura .card p { color: #a9b0b6; }

/* Números */
.numeros { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.numero strong { display: block; font-size: 2.6rem; font-weight: 800; color: var(--azul); line-height: 1; margin-bottom: 8px; }
.numero span { font-size: .9rem; color: #b5bcc2; }

/* Passos */
.passos { counter-reset: p; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.passo { counter-increment: p; padding-top: 22px; border-top: 2px solid var(--linha); }
.passo::before {
  content: "0" counter(p); display: block; font-weight: 800; color: var(--azul); font-size: 1.1rem; margin-bottom: 8px;
}
.passo p { color: var(--cinza); font-size: .95rem; margin: 0; }
.secao--escura .passo { border-color: #333; }
.secao--escura .passo p { color: #a9b0b6; }

/* Divisão texto + lista */
.dividido { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.lista { list-style: none; margin: 0; padding: 0; }
.lista li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--linha); }
.lista li::before {
  content: ""; flex: none; width: 10px; height: 10px; margin-top: 9px; border-radius: 50%; background: var(--azul);
}
.secao--escura .lista li { border-color: #2c2c2c; }

.destaque {
  background: var(--preto); color: #fff; border-radius: 20px; padding: clamp(32px, 5vw, 56px);
  position: relative; overflow: hidden;
}
.destaque h3 { color: #fff; font-size: 1.5rem; }
.destaque p { color: #b5bcc2; }

/* Faixa de chamada */
.chamada { text-align: center; }
.chamada .lead { margin-inline: auto; }
.chamada .acoes { justify-content: center; }

/* Contato */
.contato { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 80px); }
.info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.info-item .card__icone { margin: 0; flex: none; }
.info-item strong { display: block; color: var(--preto); }
.info-item span { color: var(--cinza); font-size: .95rem; }
form { display: grid; gap: 18px; }
label { font-size: .82rem; font-weight: 600; color: var(--preto); display: grid; gap: 8px; }
input, select, textarea {
  font: 400 1rem var(--fonte); padding: 14px 16px; border: 1px solid #cfd6dc; border-radius: 10px;
  background: #fff; color: var(--texto); transition: .2s; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 4px rgba(0,168,253,.16); }
textarea { min-height: 150px; resize: vertical; }
.nota { font-size: .8rem; color: var(--cinza); }
.aviso-form { display: none; padding: 14px 16px; border-radius: 10px; background: rgba(0,168,253,.1); color: #005c88; font-size: .9rem; }
.aviso-form.ativo { display: block; }
.aviso-form--erro { background: rgba(201,54,54,.08); color: #c93636; }
.campo-isca { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Rodapé */
.rodape { background: var(--preto); color: #b5bcc2; padding: 72px 0 0; font-size: .92rem; }
.rodape__grade { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 56px; }
.rodape img { height: 44px; width: auto; margin-bottom: 18px; }
.rodape h4 { color: #fff; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 18px; }
.rodape ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.rodape a:hover { color: var(--azul); }
.rodape__fim { border-top: 1px solid #2a2a2a; padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .82rem; }
.rodape { position: relative; }
.rodape::before {
  content: ""; position: absolute; left: 0; bottom: 88px; width: 16px; height: 64px; background: var(--azul);
  border-radius: 0 10px 10px 0;
}

/* Animação de entrada */
.revela { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.revela.visivel { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .revela { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Responsivo */
@media (max-width: 980px) {
  .grade--3, .grade--4, .passos, .numeros { grid-template-columns: repeat(2, 1fr); }
  .dividido, .contato { grid-template-columns: 1fr; }
  .rodape__grade { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .menu {
    position: absolute; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch;
    gap: 0; padding: 12px 24px 24px; border-bottom: 1px solid var(--linha); display: none;
  }
  .menu.aberto { display: flex; }
  .menu a { padding: 14px 0; border-bottom: 1px solid var(--linha); }
  .menu a:not(.btn)::after { display: none; }
  .menu .btn { margin-top: 16px; justify-content: center; border: 0; }
  .topo.aberto .menu-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .topo.aberto .menu-toggle span:nth-child(2) { opacity: 0; }
  .topo.aberto .menu-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}
@media (max-width: 560px) {
  .grade--2, .grade--3, .grade--4, .passos, .numeros, .rodape__grade { grid-template-columns: 1fr; }
  .container { width: calc(100% - 32px); }
}

/* Links de contato (e-mail e WhatsApp) */
.info-item a { color: inherit; text-decoration: none; transition: color .2s; }
.info-item a:hover { color: var(--azul); text-decoration: underline; }

/* Parceiros de tecnologia */
.parceiros { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.parceiros li {
  flex: 1 1 200px; max-width: 250px; min-height: 130px; background: #fff; border: 1px solid var(--linha);
  border-radius: 14px; padding: 22px 16px 16px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
}
.parceiros img { width: auto; max-width: 100%; object-fit: contain; }
.parceiros small { font-size: .78rem; color: var(--cinza); letter-spacing: .02em; text-align: center; }
.parceiros__nome { font-size: 1.25rem; font-weight: 700; letter-spacing: -.01em; color: var(--preto); line-height: 41px; }

/* Ícones do contato no rodapé */
.rodape__contato li { display: flex; align-items: center; gap: 12px; }
.rodape__ic { flex: none; width: 30px; height: 30px; border-radius: 8px; background: rgba(0,168,253,.14); color: var(--azul); display: grid; place-items: center; }
.rodape__ic svg { width: 16px; height: 16px; }

/* Formulário: contador e campos inválidos */
.contador { display: block; text-align: right; font-size: .78rem; color: var(--cinza); margin-top: 4px; }
input.invalido, textarea.invalido { border-color: #d64545; }
.erro { display: block; margin-top: 6px; font-size: .8rem; font-weight: 500; color: #c93636; }
.erro:empty { display: none; }