/* =====================================================================
   Extreme Sign — site comercial
   Paleta do logo aprovado: navy #031A2A · ciano #3FE3EE · verde-água #12F0C0
   Mesma linguagem (layout, botões, cartões) do site da Extreme_IA.
   ===================================================================== */
:root {
  /* Paleta do logo aprovado (06/10/2026): navy profundo + degradê ciano → verde-água */
  --bg: #031A2A; --bg-2: #021422; --surface: #0A2638; --surface-2: #082131; --deep: #0A3D5C;
  --teal: #22C9DE; --cyan: #3FE3EE; --mint: #12F0C0; --light: #C6F4F2; --lightest: #E9F7F7;
  --text: #E9F4F4; --dim: #A1BCC6; --muted: #6B8B99; --erro: #F08A7E; --ok: #5FD3A7;
  --border: rgba(63, 227, 238, .13); --border-2: rgba(63, 227, 238, .30);
  --grad: linear-gradient(135deg, #3FE3EE 0%, #12F0C0 100%);
  --glow: 0 0 0 1px rgba(63, 227, 238, .25), 0 18px 50px -12px rgba(18, 240, 192, .40);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --marca: 'Montserrat', 'Inter', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.sec { padding: 88px 0; position: relative; }
.alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-block: 1px solid var(--border); }
.tag { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); padding: 6px 14px; margin-bottom: 18px; border: 1px solid var(--border-2); border-radius: 999px; background: rgba(34, 201, 222, .08); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 900; }
h1.pg { font-size: clamp(2rem, 4.4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
.lead { color: var(--dim); font-size: clamp(1rem, 1.6vw, 1.14rem); margin-top: 14px; }
.gt { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.head { max-width: 740px; margin: 0 auto 52px; text-align: center; }
.micro { margin-top: 18px; font-size: 14px; color: var(--muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: 15.5px; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s, background .25s; }
.btn-p { background: var(--grad); color: #032A2A; box-shadow: 0 10px 26px -10px rgba(34, 201, 222, .75); }
.btn-p:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(63, 227, 238, .85); }
.btn-g { border-color: var(--border-2); background: rgba(255, 255, 255, .02); }
.btn-g:hover { border-color: var(--cyan); background: rgba(63, 227, 238, .08); transform: translateY(-2px); }
.btn-lg { padding: 16px 30px; font-size: 16.5px; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }
.ctas { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

.card { background: linear-gradient(180deg, var(--surface), var(--surface-2)); border: 1px solid var(--border); border-radius: 20px; padding: 26px; }
.card p { color: var(--dim); font-size: 15.5px; margin-top: 8px; }
.dest { border-color: var(--cyan); box-shadow: var(--glow); }
.ico { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: rgba(34, 201, 222, .12); border: 1px solid var(--border-2); color: var(--cyan); margin-bottom: 16px; flex: 0 0 auto; }
.ico svg { width: 22px; height: 22px; }
.g2, .g3, .g4 { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }

/* ----------------------------- cabeçalho ----------------------------- */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(3, 26, 42, .84); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.hdr .wrap { display: flex; align-items: center; gap: 22px; height: 74px; }
.logo { display: flex; align-items: center; gap: 12px; font-family: var(--marca); font-weight: 700; font-size: 22px; letter-spacing: -.01em; white-space: nowrap; color: var(--text); }
.logo .s { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo img { width: 42px; height: 42px; }
.logo .barra { width: 2px; height: 28px; border-radius: 2px; background: linear-gradient(180deg, #3FE3EE, #12F0C0); }
.nav { display: flex; gap: 24px; margin-left: auto; font-size: 15px; color: var(--dim); }
.nav a { white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.acts { display: flex; gap: 10px; }
.hamb { display: none; width: 42px; height: 42px; border-radius: 11px; border: 1px solid var(--border-2); background: none; place-items: center; cursor: pointer; flex: 0 0 auto; }
/* Logo, botões e menu não encolhem: sem isso o texto do logo vazava por baixo do botão e o menu virava uma tira de 14px. */
.logo, .acts { flex: 0 0 auto; }
.hamb svg { width: 20px; height: 20px; }
.menu-cel { display: none; }

/* ----------------------------- hero ----------------------------- */
.hero { padding: 80px 0 68px; background: radial-gradient(900px 500px at 78% 30%, rgba(34, 201, 222, .22), transparent 60%), linear-gradient(rgba(63, 227, 238, .04) 1px, transparent 1px) 0 0 / 48px 48px, linear-gradient(90deg, rgba(63, 227, 238, .04) 1px, transparent 1px) 0 0 / 48px 48px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.fone-w { position: relative; }
.fone { width: 290px; margin: 0 auto; border-radius: 38px; border: 9px solid #1a2a36; background: #0B141A; box-shadow: var(--glow); overflow: hidden; }
.fone .topo { background: #1F2C33; padding: 12px 14px; display: flex; align-items: center; gap: 9px; font-size: 13px; }
.fone .av { width: 30px; height: 30px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; color: #032A2A; font-weight: 800; font-size: 12px; }
.fone .msgs { padding: 14px 10px 18px; display: flex; flex-direction: column; gap: 9px; min-height: 360px; }
.bolha { background: #1F2C33; border-radius: 10px 10px 10px 2px; padding: 9px 11px; font-size: 13px; max-width: 88%; line-height: 1.45; }
.bolha .lk { color: #53BDEB; display: block; margin-top: 5px; }
.bolha.eu { align-self: flex-end; background: #005C4B; border-radius: 10px 10px 2px 10px; }
.bolha small { display: block; text-align: right; font-size: 10.5px; color: #8696A0; margin-top: 3px; }
.doc { background: #fff; color: #0D1F2D; border-radius: 12px; padding: 12px; font-size: 12px; margin-top: 2px; }
.doc i { display: block; height: 5px; border-radius: 3px; background: #E3EAEE; margin: 5px 0; }
.doc .ok { display: flex; gap: 6px; margin-top: 8px; font-weight: 700; color: #0E7C66; font-size: 11.5px; }
.selo { position: absolute; right: 0; bottom: 84px; background: var(--grad); color: #032A2A; font-weight: 800; font-size: 12px; padding: 8px 12px; border-radius: 12px; box-shadow: var(--glow); }
.trust { border-block: 1px solid var(--border); background: var(--bg-2); }
.trust .wrap { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; padding: 20px 24px; font-size: 14px; color: var(--dim); font-weight: 600; }
.trust span::before { content: "✓ "; color: var(--cyan); }

.passos { counter-reset: p; }
.passo { position: relative; padding-top: 70px; }
.passo::before { counter-increment: p; content: counter(p); position: absolute; top: 24px; left: 26px; width: 40px; height: 40px; border-radius: 12px; background: var(--grad); color: #032A2A; font-weight: 900; display: grid; place-items: center; }
.nicho { display: flex; gap: 16px; align-items: flex-start; }
.nicho .ico { margin: 0; }

.cmp { width: 100%; border-collapse: collapse; font-size: 15px; }
.cmp th, .cmp td { padding: 13px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.cmp th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.cmp td.y { color: var(--cyan); font-weight: 700; }
.cmp td.n { color: var(--muted); }
.cmp-w { padding: 8px 18px; overflow-x: auto; }

.faq { max-width: 860px; margin: 0 auto; }
.faq details { border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; background: var(--surface-2); margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--dim); margin-top: 10px; font-size: 15.5px; }
.cta-final { background: radial-gradient(700px 300px at 50% 0%, rgba(34, 201, 222, .25), transparent 70%); text-align: center; }
.cta-final .ctas { justify-content: center; }

/* ----------------------------- preços ----------------------------- */
.plano { display: flex; flex-direction: column; position: relative; }
.plano .preco { font-size: 2.3rem; font-weight: 900; margin: 12px 0 2px; letter-spacing: -.02em; }
.plano .preco small { font-size: 15px; color: var(--muted); font-weight: 500; }
.plano ul { margin: 16px 0 22px; font-size: 14.5px; color: var(--dim); }
.plano li { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.plano li::before { content: "✓  "; color: var(--cyan); font-weight: 700; }
.plano .btn { margin-top: auto; }
.fita { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #032A2A; font-weight: 800; font-size: 12px; padding: 4px 14px; border-radius: 999px; white-space: nowrap; }
.calc { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; align-items: center; }
.calc input[type=range] { width: 100%; accent-color: #12F0C0; margin-top: 8px; }
.calc .n { font-size: 2.6rem; font-weight: 900; margin-top: 12px; }
.res { display: grid; gap: 8px; }
.res div { display: flex; justify-content: space-between; gap: 12px; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--border); font-size: 15px; }
.res .melhor { border-color: var(--cyan); background: rgba(63, 227, 238, .08); font-weight: 700; }
.res .na { opacity: .45; }

/* ----------------------------- desenvolvedores ----------------------------- */
pre.code { background: #06111A; border: 1px solid var(--border-2); border-radius: 16px; padding: 20px; font: 13.5px/1.6 ui-monospace, Consolas, monospace; color: #CFE6EE; overflow: auto; }
pre.code .c { color: #6E8A9C; } pre.code .k { color: #4DB8CC; } pre.code .s { color: #9BE3B5; }
.ev { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ev span { font: 13px ui-monospace, Consolas, monospace; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border-2); color: var(--light); }

/* ----------------------------- formulários ----------------------------- */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.f.full, .form .full { grid-column: 1 / -1; }
.f label { color: var(--dim); font-weight: 600; }
.f label i { color: var(--cyan); font-style: normal; }
.inp { background: rgba(255, 255, 255, .03); border: 1px solid var(--border-2); border-radius: 12px; padding: 12px 14px; font-size: 15px; outline: none; width: 100%; }
.inp:focus { border-color: var(--cyan); }
select.inp option { background: var(--bg); }
.inp.err { border-color: var(--erro); }
.msg-err { color: var(--erro); font-size: 12.5px; }
.chk { display: flex; gap: 10px; font-size: 13.5px; color: var(--dim); align-items: flex-start; }
.chk input { margin-top: 3px; accent-color: #12F0C0; }
.chk a { color: var(--cyan); }
.isca { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.aviso { padding: 14px 16px; border-radius: 14px; font-size: 15px; }
.aviso.ok { border: 1px solid rgba(95, 211, 167, .4); background: rgba(95, 211, 167, .08); color: #CFF5E6; }
.aviso.erro { border: 1px solid rgba(240, 138, 126, .4); background: rgba(240, 138, 126, .08); color: #FAD7D2; }
.canal { display: flex; gap: 14px; align-items: center; padding: 16px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface-2); margin-bottom: 12px; }
.canal .ico { margin: 0; }
.canal span { color: var(--dim); }
.verif { display: flex; gap: 10px; margin-top: 18px; }
.contato-g { grid-template-columns: .9fr 1.1fr; align-items: start; }
/* Coluna de grid não pode passar da tela: em 320px o e-mail longo empurrava a página 7px para o lado. */
.contato-g > * { min-width: 0; }
.canal span { overflow-wrap: anywhere; }

/* ----------------------------- rodapé ----------------------------- */
.ftr { background: #021422; border-top: 1px solid var(--border); padding: 56px 0 30px; font-size: 14px; color: var(--dim); }
.ftr .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 28px; }
.ftr h4 { color: var(--text); font-size: 14px; margin-bottom: 12px; }
.ftr li { margin: 7px 0; }
.ftr a:hover { color: var(--text); }
.ftr .base { border-top: 1px solid var(--border); margin-top: 34px; padding-top: 20px; font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ----------------------------- botão de atendimento ----------------------------- */
.fab { position: fixed; right: 22px; bottom: 22px; z-index: 60; display: flex; align-items: center; gap: 10px; background: var(--grad); color: #032A2A; font-weight: 800; padding: 10px 18px 10px 10px; border-radius: 999px; box-shadow: var(--glow); }
.fab .bola { width: 36px; height: 36px; border-radius: 50%; background: #031A2A; display: grid; place-items: center; color: var(--cyan); }
.fab .bola svg { width: 20px; height: 20px; }

/* ----------------------------- animação de entrada ----------------------------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ----------------------------- celular / tablet ----------------------------- */
@media (max-width: 1020px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .nav { gap: 16px; font-size: 14px; }
}
/* Menu completo (logo + 5 links + 2 botões) precisa de ~1080px: abaixo disso vira o menu ☰ —
   antes trocava só em 860px e, entre 860 e 1080, o logo encostava no menu e sobrava rolagem lateral. */
@media (max-width: 1080px) {
  .nav, .acts .btn-g { display: none; }
  .acts { margin-left: auto; }
  .hamb { display: grid; }
  .menu-cel.on { display: block; position: fixed; inset: 74px 0 auto 0; z-index: 49; background: var(--bg); border-bottom: 1px solid var(--border); padding: 10px 24px 24px; }
  .menu-cel a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); font-weight: 600; }
  .menu-cel .btn { margin-top: 16px; width: 100%; }
}
@media (max-width: 860px) {
  .hero { padding: 48px 0; }
  .hero .wrap, .g2, .g3, .calc, .ftr .cols, .form { grid-template-columns: 1fr; }
  .sec { padding: 60px 0; }
  .fone { width: 260px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .g4 { grid-template-columns: 1fr; }
  .wrap { padding: 0 18px; }
  /* No celular o "Começar grátis" já está no menu (☰): o cabeçalho fica só com logo e menu. */
  .acts { display: none; }
  .hamb { margin-left: auto; }
  .logo { font-size: 19px; gap: 9px; }
  .logo img { width: 34px; height: 34px; }
  .logo .barra { height: 22px; }
  .fab .t { display: none; }
  .fab { padding: 10px; }
  .verif { flex-direction: column; }
  .cmp { font-size: 13px; } .cmp th, .cmp td { padding: 9px 6px; }
}

/* ---------------------------------------------------------------- guias (artigos de conteúdo / SEO) */
.trilha { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.trilha a { color: var(--dim); } .trilha a:hover { color: var(--cyan); }
.artigo { max-width: 780px; margin: 0 auto; }
.artigo .lead { font-size: 1.15rem; }
.artigo .meta { font-size: 14px; color: var(--muted); margin-top: 14px; }
.artigo h2 { font-size: clamp(1.4rem, 2.6vw, 1.75rem); margin: 44px 0 12px; }
.artigo h3 { font-size: 1.15rem; margin: 28px 0 8px; }
.artigo p, .artigo li { color: var(--dim); }
.artigo p + p { margin-top: 14px; }
.artigo ul, .artigo ol { margin: 12px 0 0; padding-left: 22px; }
.artigo ul { list-style: disc; } .artigo ol { list-style: decimal; }
.artigo li { margin-top: 8px; }
.artigo li::marker { color: var(--cyan); }
.artigo strong { color: var(--text); }
.artigo p a, .artigo li a, .artigo td a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.artigo .cmp-w { margin-top: 18px; }
.artigo .box { margin-top: 26px; border-left: 3px solid var(--cyan); }
.artigo .faq { margin-top: 16px; }
.artigo .cta-artigo { margin-top: 44px; text-align: center; }
.artigo .cta-artigo .ctas { justify-content: center; }
.guias .card h3 a:hover { color: var(--cyan); }
.guias .card .mais { display: inline-block; margin-top: 14px; color: var(--cyan); font-weight: 600; font-size: 15px; }