/* NTI Soluções Digitais · site institucional
   Paleta e tipografia conforme Identidade_Visual (Paleta_NTI.css, Lexend) */

:root {
  --nti-azul-nti: #3D5BFF;
  --nti-azul-royal: #2B45E6;
  --nti-azul-profundo: #141F7A;
  --nti-marinho: #0E1340;
  --nti-noite: #0A0F2E;
  --nti-ciano-pixel: #5EE6FF;
  --nti-azul-claro: #B9C6FF;
  --nti-branco: #FFFFFF;

  --degrade: linear-gradient(135deg, #7B92FF 0%, #3D5BFF 55%, #2236C9 100%);
  --fundo-claro: #F4F6FF;
  --borda: #DFE4FA;
  --texto: #0E1340;
  --texto-suave: #4A5280;
  --sombra: 0 1px 2px rgba(14, 19, 64, .06), 0 8px 24px rgba(14, 19, 64, .08);
  --raio: 16px;
  --largura: 1180px;
  --topo: 92px;
  --logo: 62px;
}
@media (max-width: 960px) { :root { --topo: 78px; --logo: 50px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topo) + 16px); }
body {
  margin: 0;
  font-family: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 350;
  color: var(--texto);
  background: var(--nti-branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--nti-azul-royal); }
h1, h2, h3 { line-height: 1.15; margin: 0; font-weight: 650; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); text-wrap: balance; }
h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0; }

.wrap { width: min(100% - 32px, var(--largura)); margin-inline: auto; }
.wrap--estreito { max-width: 820px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 14px; border-radius: 8px; }

:focus-visible { outline: 3px solid var(--nti-ciano-pixel); outline-offset: 3px; border-radius: 6px; }

/* Pixel: o quadradinho ciano do ícone, usado como marcador */
.pixel {
  display: inline-block;
  width: .55em; height: .55em;
  border-radius: 2px;
  background: var(--nti-ciano-pixel);
  box-shadow: 0 .14em 0 #1C8FB0;
  margin-right: .6em;
  vertical-align: .08em;
  flex: none;
}

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: inherit; font-weight: 550; font-size: 1rem;
  padding: .85rem 1.4rem;
  border-radius: 12px;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn--primario { background: var(--nti-azul-nti); color: #fff; box-shadow: 0 4px 0 var(--nti-azul-profundo); }
.btn--primario:hover { background: var(--nti-azul-royal); transform: translateY(-1px); }
.btn--primario:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--nti-azul-profundo); }
.btn--fantasma { color: #fff; border-color: rgba(185, 198, 255, .4); }
.btn--fantasma:hover { border-color: var(--nti-azul-claro); background: rgba(185, 198, 255, .08); }
.btn--sm { padding: .55rem 1rem; font-size: .9rem; box-shadow: 0 3px 0 var(--nti-azul-profundo); }
.btn--bloco { width: 100%; }

/* Topo */
.topo {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 46, .86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.topo.rolou { border-bottom-color: rgba(185, 198, 255, .14); }
.topo__in { display: flex; align-items: center; justify-content: space-between; height: var(--topo); }
.topo__logo img { height: var(--logo); width: auto; }
.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a:not(.btn) { color: var(--nti-azul-claro); text-decoration: none; font-size: .95rem; transition: color .15s; }
.nav a:not(.btn):hover { color: #fff; }
.nav__toggle { display: none; }

@media (max-width: 960px) {
  .nav__toggle {
    display: grid; gap: 5px; place-content: center;
    width: 44px; height: 44px; border-radius: 10px;
    background: transparent; border: 1px solid rgba(185, 198, 255, .3); cursor: pointer;
  }
  .nav__toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav {
    position: absolute; top: var(--topo); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--nti-noite);
    padding: .5rem 16px 1.25rem;
    border-bottom: 1px solid rgba(185, 198, 255, .14);
    display: none;
  }
  .nav.aberto { display: flex; }
  .nav a:not(.btn) { padding: .9rem 0; border-bottom: 1px solid rgba(185, 198, 255, .1); font-size: 1rem; }
  .nav__cta { margin-top: 1rem; }
}

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1000px 520px at 85% 10%, rgba(61, 91, 255, .35), transparent 60%), var(--nti-noite);
  color: #fff;
  padding: clamp(4rem, 9vw, 7rem) 0;
}
.hero__grade {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(185, 198, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 198, 255, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
}
.hero__in { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.selo {
  display: inline-flex; align-items: center;
  font-size: .85rem; font-weight: 500; color: var(--nti-azul-claro);
  border: 1px solid rgba(185, 198, 255, .25); border-radius: 999px;
  padding: .35rem .9rem; margin-bottom: 1.5rem;
}
.hero h2 { font-size: clamp(2.3rem, 5.6vw, 4rem); font-weight: 700; letter-spacing: -.035em; text-wrap: balance; }
.hero h2 em { font-style: normal; color: var(--nti-ciano-pixel); }
.hero__lead { margin-top: 1.4rem; font-size: clamp(1.02rem, 1.6vw, 1.2rem); color: var(--nti-azul-claro); max-width: 36em; }
.hero__acoes { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero__pontos { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .5rem; font-size: .92rem; color: var(--nti-azul-claro); }
.hero__pontos li::before { content: "✓"; color: var(--nti-ciano-pixel); font-weight: 700; margin-right: .6rem; }

/* Card de rotina (visual do hero) */
.rotina {
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .03));
  border: 1px solid rgba(185, 198, 255, .18);
  border-radius: 22px;
  padding: 1.4rem;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .08);
}
.rotina__topo { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.1rem; }
.rotina__rotulo { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--nti-azul-claro); }
.rotina__topo strong { font-size: 1.2rem; font-weight: 600; }
.tag { font-size: .75rem; font-weight: 500; padding: .25rem .65rem; border-radius: 999px; background: rgba(61, 91, 255, .3); color: #DCE3FF; }
.rotina__passos { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.rotina__passos li {
  display: grid; grid-template-columns: 28px 1fr auto; gap: .8rem; align-items: center;
  padding: .75rem .85rem; border-radius: 12px;
  background: rgba(10, 15, 46, .55); border: 1px solid rgba(185, 198, 255, .1);
}
.rotina__passos b { display: block; font-weight: 550; font-size: .93rem; }
.rotina__passos small { display: block; color: var(--nti-azul-claro); font-size: .8rem; line-height: 1.4; }
.ico { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-size: .85rem; font-weight: 700; }
.ok .ico { background: rgba(94, 230, 255, .16); color: var(--nti-ciano-pixel); }
.alerta .ico { background: rgba(255, 196, 87, .16); color: #FFC457; }
.alerta { border-color: rgba(255, 196, 87, .25) !important; }
.pendente .ico { border: 2px dashed rgba(185, 198, 255, .5); }
.pendente { border-color: rgba(61, 91, 255, .7) !important; background: rgba(61, 91, 255, .14) !important; }
.quem { font-size: .7rem; font-weight: 600; padding: .2rem .55rem; border-radius: 6px; letter-spacing: .02em; }
.quem.ia { background: rgba(185, 198, 255, .12); color: var(--nti-azul-claro); }
.quem.pessoa { background: var(--nti-azul-nti); color: #fff; }
.rotina__lema { display: flex; align-items: center; margin-top: 1.1rem; font-weight: 550; font-size: .95rem; }

@media (max-width: 900px) {
  .hero__in { grid-template-columns: 1fr; }
  .hero__visual { max-width: 520px; }
}

/* Seções */
.secao { padding: clamp(4rem, 9vw, 7rem) 0; }
.secao--clara { background: var(--fundo-claro); }
.cabecalho { max-width: 720px; margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
/* "O cenário" abre a página: título principal maior */
.problema .cabecalho { max-width: 860px; }
.problema h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -.03em; text-wrap: balance; }
.cabecalho > p:last-child:not(.sobretitulo) { margin-top: 1rem; color: var(--texto-suave); font-size: 1.08rem; }
.sobretitulo {
  display: inline-flex; align-items: center;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--nti-azul-royal); margin-bottom: .9rem;
}
.sobretitulo::before {
  content: ""; width: 9px; height: 9px; border-radius: 2px; margin-right: .6rem;
  background: var(--nti-ciano-pixel); box-shadow: 0 2px 0 #1C8FB0;
}
.destaque { color: var(--nti-azul-nti); }

.grid { display: grid; gap: 1.25rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* Problema */
.cartao { padding: 1.75rem; border-radius: var(--raio); border: 1px solid var(--borda); background: #fff; }
.cartao__num { display: block; font-size: .85rem; font-weight: 600; color: var(--nti-azul-nti); margin-bottom: 1.25rem; }
.cartao h3 { margin-bottom: .5rem; }
.cartao p { color: var(--texto-suave); }

/* Pilares */
.pilares { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 860px) { .pilares { grid-template-columns: 1fr; } }
.pilar { background: #fff; border-radius: 22px; padding: clamp(1.75rem, 4vw, 2.75rem); border: 1px solid var(--borda); box-shadow: var(--sombra); }
.pilar--destaque { background: var(--nti-marinho); color: #fff; border-color: var(--nti-marinho); }
.pilar__ico {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: var(--degrade); color: #fff; margin-bottom: 1.5rem;
  box-shadow: 0 5px 0 var(--nti-azul-profundo);
}
.pilar__ico svg { width: 28px; height: 28px; }
.pilar h3 { font-size: 1.45rem; margin-bottom: .75rem; }
.pilar > p { color: var(--texto-suave); }
.pilar--destaque > p { color: var(--nti-azul-claro); }
.lista { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .7rem; }
.lista li { display: flex; align-items: baseline; gap: .7rem; }
.lista li::before {
  content: ""; flex: none; width: 8px; height: 8px; border-radius: 2px;
  background: var(--nti-azul-nti); transform: translateY(-1px);
}
.pilar--destaque .lista li::before { background: var(--nti-ciano-pixel); }

/* Abas de setores */
.abas {
  display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.75rem;
}
.abas button {
  font: inherit; font-size: .95rem; font-weight: 500;
  padding: .6rem 1.1rem; border-radius: 999px;
  border: 1px solid var(--borda); background: #fff; color: var(--texto-suave);
  cursor: pointer; transition: all .15s ease;
}
.abas button:hover { border-color: var(--nti-azul-claro); color: var(--texto); }
.abas button[aria-selected="true"] { background: var(--nti-marinho); border-color: var(--nti-marinho); color: #fff; }
@media (max-width: 640px) {
  .abas { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-inline: -16px; padding-inline: 16px; }
  .abas::-webkit-scrollbar { display: none; }
  .abas button { flex: none; }
}
.painel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; animation: surge .3s ease; }
.painel[hidden] { display: none; }
@media (max-width: 860px) { .painel { grid-template-columns: 1fr; } }
@keyframes surge { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.caso {
  display: flex; flex-direction: column;
  padding: 1.6rem; border-radius: var(--raio);
  background: var(--fundo-claro); border: 1px solid var(--borda);
}
.caso h3 { margin-bottom: .6rem; }
.caso > p { color: var(--texto-suave); font-size: .97rem; }
.caso__humano {
  margin-top: auto !important; padding-top: 1.1rem;
  font-size: .9rem !important; color: var(--texto) !important;
}
.caso__humano b { color: var(--nti-azul-royal); font-weight: 600; }
.caso > p:nth-of-type(1) { margin-bottom: 1.1rem; }
.caso__humano { border-top: 1px dashed var(--borda); }

/* Treinamentos */
.formato {
  padding: 1.6rem; border-radius: var(--raio); background: #fff; border: 1px solid var(--borda);
  transition: transform .2s ease, box-shadow .2s ease;
}
.formato:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.formato__publico {
  display: inline-block; font-size: .75rem; font-weight: 600; color: var(--nti-azul-royal);
  background: #E6EBFF; padding: .25rem .6rem; border-radius: 6px; margin-bottom: 1rem;
}
.formato h3 { margin-bottom: .5rem; }
.formato p { color: var(--texto-suave); font-size: .95rem; }

/* Método */
.metodo { background: var(--nti-noite); color: #fff; }
.cabecalho--escuro .sobretitulo { color: var(--nti-azul-claro); }
.etapas { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: e; }
.etapas li {
  position: relative; padding: 1.5rem 1.25rem; border-radius: var(--raio);
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(185, 198, 255, .14);
}
.etapas__n {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: var(--degrade); font-weight: 700; margin-bottom: 1.1rem;
  box-shadow: 0 4px 0 var(--nti-azul-profundo);
}
.etapas h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.etapas p { font-size: .92rem; color: var(--nti-azul-claro); }
@media (max-width: 1060px) { .etapas { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .etapas { grid-template-columns: 1fr; } }

/* Boas práticas */
.praticas { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.praticas__intro { position: sticky; top: calc(var(--topo) + 32px); }
.praticas__intro h2 { margin-bottom: 1rem; }
.praticas__intro p:not(.sobretitulo) { color: var(--texto-suave); font-size: 1.08rem; margin-bottom: 2rem; }
.praticas__lista { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--borda); border: 1px solid var(--borda); border-radius: var(--raio); overflow: hidden; }
.praticas__lista li { background: #fff; padding: 1.6rem; }
.praticas__lista h3 { font-size: 1.02rem; margin-bottom: .45rem; display: flex; align-items: baseline; }
.praticas__lista h3::before { content: "✓"; color: var(--nti-azul-nti); font-weight: 700; margin-right: .55rem; }
.praticas__lista p { color: var(--texto-suave); font-size: .93rem; }
@media (max-width: 900px) {
  .praticas { grid-template-columns: 1fr; }
  .praticas__intro { position: static; }
}
@media (max-width: 600px) { .praticas__lista { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; gap: .75rem; }
.faq details { background: #fff; border: 1px solid var(--borda); border-radius: 14px; padding: 0 1.4rem; }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.2rem 0; font-weight: 550;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--nti-azul-nti); transition: transform .2s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 1.3rem; color: var(--texto-suave); }

/* Contato */
.contato { background: radial-gradient(800px 400px at 10% 100%, rgba(61, 91, 255, .3), transparent 60%), var(--nti-marinho); color: #fff; }
.contato__in { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contato .sobretitulo { color: var(--nti-azul-claro); }
.contato__texto h2 { margin-bottom: 1rem; }
.contato__texto > p:not(.sobretitulo) { color: var(--nti-azul-claro); font-size: 1.08rem; }
.contato__dados { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1rem; }
.contato__dados span { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--nti-azul-claro); }
.contato__dados a { color: #fff; font-size: 1.1rem; text-decoration: none; }
.contato__dados a:hover { text-decoration: underline; }
@media (max-width: 860px) { .contato__in { grid-template-columns: 1fr; } }

.form { background: #fff; color: var(--texto); border-radius: 22px; padding: clamp(1.4rem, 4vw, 2.25rem); display: grid; gap: 1.1rem; box-shadow: 0 30px 60px -25px rgba(0, 0, 0, .5); }
.campo { display: grid; gap: .4rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.campo--duplo { grid-template-columns: 1.3fr 1fr; gap: 1rem; }
.campo--duplo > div { display: grid; gap: .4rem; min-width: 0; }
@media (max-width: 480px) { .campo--duplo { grid-template-columns: 1fr; } }
.form label, .form legend { font-size: .88rem; font-weight: 500; }
.form legend { margin-bottom: .4rem; padding: 0; }
.form input:not([type="checkbox"]), .form select, .form textarea {
  font: inherit; font-size: 1rem; color: var(--texto);
  width: 100%; padding: .75rem .9rem; border-radius: 10px;
  border: 1.5px solid var(--borda); background: var(--fundo-claro);
  transition: border-color .15s, background .15s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--nti-azul-nti); background: #fff; }
.form textarea { resize: vertical; }
.form .invalido { border-color: #D93B5B !important; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips label { cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span {
  display: inline-block; padding: .5rem .9rem; border-radius: 999px; font-size: .88rem;
  border: 1.5px solid var(--borda); transition: all .15s;
}
.chips input:checked + span { background: var(--nti-azul-nti); border-color: var(--nti-azul-nti); color: #fff; }
.chips input:focus-visible + span { outline: 3px solid var(--nti-ciano-pixel); outline-offset: 2px; }
.form__aviso { font-size: .9rem; color: var(--texto-suave); min-height: 1.2em; }

/* Rodapé */
.rodape { background: var(--nti-noite); color: var(--nti-azul-claro); padding: 3.5rem 0 2.5rem; }
.rodape__in { display: grid; gap: 1.25rem; justify-items: start; }
.rodape img { height: 72px; width: auto; }
.rodape p { max-width: 40em; font-size: .95rem; }
.rodape nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.rodape nav a { color: #fff; text-decoration: none; font-size: .92rem; }
.rodape nav a:hover { text-decoration: underline; }
.rodape small { font-size: .82rem; opacity: .8; border-top: 1px solid rgba(185, 198, 255, .14); padding-top: 1.25rem; width: 100%; }

/* Botão flutuante do WhatsApp */
.whatsapp {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .8rem 1.15rem .8rem .9rem; border-radius: 999px;
  background: #25D366; color: #fff; text-decoration: none;
  font-weight: 600; font-size: .95rem;
  box-shadow: 0 10px 24px -6px rgba(10, 15, 46, .45);
  transition: transform .15s ease, background .15s ease;
}
.whatsapp:hover { background: #1EBE5A; transform: translateY(-2px); }
.whatsapp svg { width: 28px; height: 28px; flex: none; }
@media (max-width: 640px) {
  .whatsapp { right: 16px; bottom: 16px; padding: .85rem; }
  .whatsapp span { display: none; }
}

/* Animação de entrada */
.revela { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.revela.visivel { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .revela { opacity: 1; transform: none; }
}