/* ==========================================================
   Nexiall — estilos
   Ficha técnica em faixas: cada seção ocupa a largura toda, com
   coluna de rótulo (25%) em mono maiúscula e coluna de conteúdo (75%).
   Branco-gelo, cinza-névoa, grafite-azulado e um único acento violeta.
   Sem sombra, sem gradiente, sem ícone decorativo. Filete de 1px #D7DDE5.
   Contraste: violeta sobre branco-gelo 6,48:1; branco sobre violeta 6,72:1.
   Texto pequeno sempre em tinta.
   ========================================================== */

/* ---------- Fontes auto-hospedadas (nenhuma chamada externa) ---------- */
@font-face { font-family: "NX Sans"; src: url("../fonts/sans-400.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "NX Sans"; src: url("../fonts/sans-700.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "NX Mono"; src: url("../fonts/mono-400.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "NX Mono"; src: url("../fonts/mono-700.woff") format("woff"); font-weight: 700; font-display: swap; }
/* Inter Tight / Geist / Geist Mono (opcional): ver README.md, seção "Fontes".
@font-face { font-family: "Inter Tight"; src: url("../fonts/intertight-var.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../fonts/geistmono-var.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
*/

:root {
  --base: #FAFBFC;
  --nevoa: #EDF0F4;
  --tinta: #1B2430;
  --tinta-2: #4F5B6B;          /* texto secundário: 6,7:1 */
  --violeta: #5B3FD6;
  --filete: #D7DDE5;
  --claro: #FAFBFC;
  --claro-2: #B5BFCC;          /* texto secundário sobre grafite: 8,4:1 */
  --alerta: #C9BEFA;           /* mensagens de erro sobre grafite */
  --f-sans: "Inter Tight", "Geist", "NX Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "Geist Mono", "IBM Plex Mono", "NX Mono", ui-monospace, monospace;
  --larg: 1320px;
  --gutter: 32px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; background: var(--base); }
body { margin: 0; background: var(--base); color: var(--tinta); font-family: var(--f-sans); font-size: 1.0625rem; line-height: 1.6; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--f-sans); font-weight: 700; line-height: 1.12; margin: 0; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--f-mono); }
.ico { width: 1.1em; height: 1.1em; flex: none; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

:focus-visible { outline: 2px solid var(--violeta); outline-offset: 3px; }
.pular { position: absolute; left: -9999px; top: 8px; z-index: 300; background: var(--tinta); color: var(--claro); padding: 10px 16px; }
.pular:focus { left: 8px; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Botões ---------- */
.bt { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7em 1.4em; border: 1px solid var(--violeta); border-radius: 3px; background: var(--violeta); color: #fff; font: 700 1rem/1.2 var(--f-sans); text-decoration: none; cursor: pointer; }
.bt:hover { background: var(--tinta); border-color: var(--tinta); }
.bt--peq { min-height: 40px; padding: .5em 1em; font-size: .92rem; }
.bt--cheio { width: 100%; }
.link-sub { display: inline-flex; align-items: center; min-height: 48px; font-weight: 700; text-decoration: underline; text-decoration-color: var(--violeta); text-underline-offset: .3em; }

/* ---------- Header ---------- */
.topo { background: #fff; border-bottom: 1px solid var(--filete); }
.topo__in { max-width: var(--larg); margin: 0 auto; padding: 12px var(--gutter); display: flex; align-items: center; gap: 28px; min-height: 68px; }
.topo__logo img { width: 110px; height: 32px; }
.topo__nav { margin-left: auto; display: flex; gap: 24px; font-size: .95rem; }
.topo__nav a { text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.topo__nav a:hover { border-bottom-color: var(--violeta); }
.topo__tel { display: flex; flex-direction: column; text-decoration: none; line-height: 1.2; padding-left: 20px; border-left: 1px solid var(--filete); }
.topo__tel-n { font-family: var(--f-mono); font-weight: 700; font-size: 1.05rem; }
.topo__tel-h { font-family: var(--f-mono); font-size: .78rem; color: var(--tinta-2); }
.topo__tel:hover .topo__tel-n { text-decoration: underline; text-decoration-color: var(--violeta); }

/* ---------- Hero ---------- */
.hero { border-bottom: 1px solid var(--filete); }
.hero__in { max-width: var(--larg); margin: 0 auto; padding: clamp(56px, 8vw, 104px) var(--gutter); display: grid; grid-template-columns: 8fr 4fr; gap: 48px 64px; align-items: end; }
.hero__rot { font-family: var(--f-mono); font-size: .84rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.1rem, 4.2vw, 3.6rem); max-width: 22ch; }
.hero__sub { font-size: 1.2rem; color: var(--tinta-2); margin: 20px 0 0; }
.hero__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 32px; }
.hero__tel { display: inline-flex; gap: 8px; align-items: baseline; min-height: 48px; align-items: center; font-weight: 700; font-size: 1.1rem; text-decoration: underline; text-decoration-color: var(--violeta); text-underline-offset: .3em; }
.hero__tel .mono { font-weight: 400; font-size: .85rem; color: var(--tinta-2); }
.hero__dados { margin: 0; border-top: 1px solid var(--tinta); }
.hero__dados > div { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--filete); }
.hero__dados dt { font-family: var(--f-mono); font-size: .8rem; line-height: 1.35; text-transform: uppercase; letter-spacing: .04em; }
.hero__dados dd { margin: 0; font-family: var(--f-mono); font-weight: 700; font-size: 1.7rem; color: var(--violeta); line-height: 1; }

/* ---------- Faixas: rótulo (25%) + conteúdo (75%) ---------- */
.faixa { border-bottom: 1px solid var(--filete); }
.faixa--nevoa { background: var(--nevoa); }
.faixa__in { max-width: var(--larg); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 3fr; }
.faixa__rot { padding: 56px 24px 0 0; border-right: 1px solid var(--filete); }
.faixa__rot p { font-family: var(--f-mono); font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; margin: 0; }
.faixa__rot span { font-weight: 700; color: var(--violeta); }
.faixa__cont { padding: 56px 0 64px 48px; min-width: 0; }
.faixa__cont--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 56px; }
.faixa h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); max-width: 30ch; margin-bottom: 20px; }
.txt { max-width: 68ch; }
.nota { max-width: 72ch; margin: 20px 0 0; padding-left: 14px; border-left: 2px solid var(--violeta); color: var(--tinta); font-size: .98rem; }

/* Tabelas */
.rolagem { overflow-x: auto; margin-top: 24px; }
.tabela { width: 100%; min-width: 660px; border-collapse: collapse; font-size: .96rem; background: var(--base); }
.faixa--nevoa .tabela { background: #fff; }
.tabela thead th { text-align: left; font: 700 .78rem/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; padding: 12px 14px; border-bottom: 1px solid var(--tinta); }
.tabela tbody th, .tabela td { text-align: left; vertical-align: top; padding: 14px; border-bottom: 1px solid var(--filete); }
.tabela tbody th { font-weight: 700; width: 24%; }
.tabela td.mono { font-size: .86rem; }

/* Calculadora */
.calc { margin-top: 28px; border: 1px solid var(--tinta); background: #fff; }
.calc__abas { display: flex; border-bottom: 1px solid var(--tinta); }
.calc__abas button { flex: 1; min-height: 52px; border: 0; border-right: 1px solid var(--tinta); background: #fff; color: var(--tinta); font: 700 .88rem/1.2 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; cursor: pointer; padding: 8px 12px; }
.calc__abas button:last-child { border-right: 0; }
.calc__abas button[aria-selected="true"] { background: var(--violeta); color: #fff; }
.calc__abas button:focus-visible { outline-offset: -5px; outline-color: var(--tinta); }
.calc__form { padding: 24px 24px 8px; display: grid; grid-template-columns: minmax(0, 360px); gap: 16px 24px; }
.calc__form--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.calc__campo label { display: block; font: 700 .8rem/1.3 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 8px; }
.calc__campo input { width: 100%; font: 700 1.5rem/1.2 var(--f-mono); color: var(--tinta); background: var(--base); border: 1px solid var(--tinta); border-radius: 3px; padding: 8px 12px; }
.calc__ref { font-size: .88rem; color: var(--tinta-2); margin: 6px 0 0; }
.calc__res { width: 100%; border-collapse: collapse; margin-top: 16px; border-top: 1px solid var(--tinta); }
.calc__res th, .calc__res td { text-align: left; padding: 12px 24px; border-bottom: 1px solid var(--filete); font-size: .98rem; }
.calc__res th { font-weight: 400; }
.calc__res td { font: 700 1.15rem/1.3 var(--f-mono); text-align: right; }
.calc__res td.destaque { font-size: 1.5rem; color: var(--violeta); }
.calc__barra { display: flex; height: 18px; margin: 16px 24px 0; border: 1px solid var(--tinta); }
.calc__barra span { display: block; height: 100%; }
#a-barra-cons { background: var(--violeta); }
#a-barra-dem { background: var(--tinta); }
.calc__legenda { margin: 8px 24px 0; font-size: .86rem; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.lg { display: inline-block; width: 12px; height: 12px; border: 1px solid var(--tinta); }
.lg--cons { background: var(--violeta); }
.lg--dem { background: var(--tinta); margin-left: 10px; }
.calc__aviso { margin: 0; padding: 16px 24px 20px; background: var(--nevoa); border-top: 1px solid var(--tinta); font-size: .92rem; }

/* Escopo */
.escopo { border-top: 1px solid var(--tinta); columns: 2; column-gap: 48px; }
.escopo li { break-inside: avoid; display: grid; grid-template-columns: 36px 1fr; column-gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--filete); }
.escopo li .mono { font-size: .84rem; color: var(--violeta); font-weight: 700; padding-top: .15em; grid-row: span 2; }
.escopo li strong { display: block; }
.escopo li span:last-child { color: var(--tinta-2); font-size: .95rem; }

/* Linha do tempo de prazos */
.linha { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); min-width: 820px; position: relative; padding-top: 22px; }
.linha::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--tinta); }
.linha li { position: relative; padding: 16px 16px 0 0; }
.linha li::before { content: ""; position: absolute; left: 0; top: -20px; width: 12px; height: 12px; border-radius: 50%; background: var(--violeta); border: 2px solid var(--nevoa); }
.linha__n { display: block; font-size: .8rem; color: var(--tinta-2); margin-bottom: 4px; }
.linha li strong { display: block; font-size: 1rem; line-height: 1.3; margin-bottom: 6px; }
.linha li span:last-child { font-size: .86rem; }

/* Ficha */
.ficha { margin: 0; border-top: 1px solid var(--tinta); align-self: start; }
.ficha > div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--filete); }
.ficha dt { font: 700 .78rem/1.5 var(--f-mono); letter-spacing: .05em; text-transform: uppercase; padding-top: .2em; }
.ficha dd { margin: 0; }

/* FAQ */
.faq { margin: 0; border-top: 1px solid var(--tinta); counter-reset: faq; }
.faq > div { display: grid; grid-template-columns: 5fr 7fr; gap: 8px 40px; padding: 20px 0; border-bottom: 1px solid var(--filete); counter-increment: faq; }
.faq dt { font-weight: 700; font-size: 1.05rem; line-height: 1.4; }
.faq dt::before { content: counter(faq, decimal-leading-zero) " "; font-family: var(--f-mono); font-size: .84rem; color: var(--violeta); margin-right: 6px; }
.faq dd { margin: 0; color: var(--tinta-2); }

/* Imagem ilustrativa */
.foto { margin: 32px 0 0; border: 1px solid var(--filete); background: #fff; }
.foto img { width: 100%; }
.foto figcaption { font-family: var(--f-mono); font-size: .8rem; padding: 10px 14px; border-top: 1px solid var(--filete); }

/* ---------- Contato sobre grafite ---------- */
.contato { background: var(--tinta); color: var(--claro); }
.contato .faixa__rot { border-right-color: rgba(250, 251, 252, .18); }
.contato .faixa__rot span { color: var(--claro); }
.contato__grade { display: grid; grid-template-columns: 4fr 7fr; gap: 40px 56px; }
.contato h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 16px; }
.contato__txt > p { color: var(--claro-2); }
.contato__canais { margin: 24px 0 0; border-top: 1px solid rgba(250, 251, 252, .25); }
.contato__canais > div { padding: 12px 0; border-bottom: 1px solid rgba(250, 251, 252, .18); }
.contato__canais dt { font: 700 .78rem/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--claro-2); }
.contato__canais dd { margin: 2px 0 0; }
.contato a { text-decoration-color: var(--claro-2); text-underline-offset: .25em; }
.contato :focus-visible { outline-color: var(--claro); }

.form__grade { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.campo { display: flex; flex-direction: column; min-width: 0; }
.campo--largo { grid-column: 1 / -1; }
.campo label { font: 700 .8rem/1.35 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 6px; }
.campo input, .campo select, .campo textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--tinta); background: #fff; border: 1px solid #fff; border-radius: 3px; padding: .66em .8em; }
.campo input[type="file"] { background: transparent; color: var(--claro); border: 1px dashed rgba(250, 251, 252, .5); padding: .8em; }
.campo input[type="file"]::file-selector-button { font: 700 .9rem var(--f-sans); background: var(--claro); color: var(--tinta); border: 0; border-radius: 3px; padding: .5em 1em; margin-right: 12px; cursor: pointer; }
.campo textarea { resize: vertical; min-height: 100px; }
.campo input::placeholder, .campo textarea::placeholder { color: #5E6A79; }
.campo input:focus-visible, .campo select:focus-visible, .campo textarea:focus-visible { outline: 2px solid var(--claro); outline-offset: 2px; }
.campo [aria-invalid="true"] { border: 2px solid var(--alerta); }
.campo__erro { color: var(--alerta); font-size: .9rem; font-weight: 700; margin-top: 6px; }
.campo__erro::before { content: "! "; }
.campo--check { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 12px; margin: 20px 0; }
.campo--check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--violeta); }
.campo--check label { flex: 1; font: 400 .95rem/1.5 var(--f-sans); letter-spacing: 0; text-transform: none; margin: 0; }
.campo--check .campo__erro { flex-basis: 100%; }
.form__alerta { border-left: 3px solid var(--alerta); background: rgba(250, 251, 252, .06); padding: 12px 16px; margin-bottom: 20px; font-weight: 700; color: var(--alerta); }
.form__nota { font-size: .9rem; color: var(--claro-2); margin: 14px 0 0; }
.contato .bt:hover { background: var(--claro); color: var(--tinta); border-color: var(--claro); }

/* ---------- Rodapé em ficha técnica ---------- */
.rodape { font-family: var(--f-mono); font-size: .8rem; line-height: 1.55; border-top: 1px solid var(--filete); }
.rodape__in { max-width: var(--larg); margin: 0 auto; padding: 44px var(--gutter) 24px; display: grid; grid-template-columns: 1fr 3fr; gap: 28px 48px; }
.rodape__marca img { width: 110px; height: 32px; margin-bottom: 16px; }
.rodape__aviso { padding: 12px; border: 1px solid var(--tinta); }
.rodape__ficha { width: 100%; border-collapse: collapse; border-top: 1px solid var(--tinta); }
.rodape__ficha caption { text-align: left; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; padding-bottom: 8px; }
.rodape__ficha th, .rodape__ficha td { text-align: left; vertical-align: top; padding: 6px 12px 6px 0; border-bottom: 1px solid var(--filete); }
.rodape__ficha th { width: 120px; font-weight: 400; text-transform: uppercase; letter-spacing: .04em; color: var(--tinta-2); }
.rodape a { text-decoration-color: var(--violeta); text-underline-offset: .2em; }
.rodape__fim { max-width: var(--larg); margin: 0 auto; padding: 14px var(--gutter) 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; border-top: 1px solid var(--filete); }
.rodape__fim p { margin: 0; }
.rodape__fim nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }

/* WhatsApp (só aparece com a constante WHATSAPP preenchida) */
.zap { position: fixed; right: 18px; bottom: 18px; z-index: 90; width: 46px; height: 46px; display: grid; place-items: center; background: #fff; color: var(--tinta); border: 1px solid var(--tinta); border-radius: 3px; }
.zap .ico { width: 22px; height: 22px; }

/* ---------- Páginas internas ---------- */
.pagina { padding: clamp(56px, 8vw, 96px) 0 clamp(72px, 10vw, 112px); }
.grade { max-width: var(--larg); margin: 0 auto; padding: 0 var(--gutter); }
.grade--estreita { max-width: calc(72ch + 2 * var(--gutter)); }
.sobre-linha { font-family: var(--f-mono); font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; color: var(--tinta); }
.sobre-linha::before { content: "— "; color: var(--violeta); font-weight: 700; }
.texto-legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 14px; }
.texto-legal h2 { font-size: 1.3rem; margin: 40px 0 10px; padding-top: 20px; border-top: 1px solid var(--filete); }
.texto-legal__data { font-family: var(--f-mono); font-size: .84rem; color: var(--tinta-2); }
.texto-legal ul { list-style: square; padding-left: 1.3em; margin: 0 0 1em; }
.texto-legal li { margin-bottom: .4em; }
.texto-legal a { text-decoration-color: var(--violeta); text-underline-offset: .2em; }
.obrigado { text-align: center; }
.obrigado h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin: 20px 0 14px; }
.obrigado__ico { display: inline-grid; place-items: center; width: 56px; height: 56px; border: 1px solid var(--violeta); color: var(--violeta); }
.obrigado__ico .ico { width: 26px; height: 26px; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; margin-top: 28px; }
.acoes--centro { justify-content: center; }

/* ---------- Responsivo ---------- */
@media (max-width: 1140px) {
  .topo__nav { display: none; }
  .topo__tel { margin-left: auto; }
}
@media (max-width: 900px) {
  .hero__in { grid-template-columns: 1fr; }
  .faixa__in { grid-template-columns: 1fr; }
  .faixa__rot { border-right: 0; padding: 40px 0 0; }
  .faixa__rot p { padding-bottom: 10px; border-bottom: 1px solid var(--tinta); }
  .contato .faixa__rot p { border-bottom-color: rgba(250, 251, 252, .3); }
  .faixa__cont { padding: 20px 0 48px; }
  .faixa__cont--2, .contato__grade { grid-template-columns: 1fr; }
  .calc__form--3 { grid-template-columns: 1fr; }
  .escopo { columns: 1; }
  .faq > div { grid-template-columns: 1fr; }
  .rodape__in { grid-template-columns: 1fr; }
  /* Indicação visual de rolagem horizontal nas tabelas */
  .rolagem::before { content: "← deslize para ver a tabela →"; display: block; font-family: var(--f-mono); font-size: .78rem; color: var(--tinta-2); margin-bottom: 8px; position: sticky; left: 0; }
  #prazos .rolagem::before { content: "← deslize para ver as etapas →"; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .topo__in { gap: 12px; }
  .topo__tel { border-left: 0; padding-left: 0; }
  .topo__tel-h { display: none; }
  .topo .bt--peq { display: none; }
  .hero__ctas .bt { width: 100%; }
  .form__grade { grid-template-columns: 1fr; }
  .calc__form { padding: 18px 16px 4px; grid-template-columns: 1fr; }
  .calc__res tr { display: block; padding: 10px 16px; border-bottom: 1px solid var(--filete); }
  .calc__res th, .calc__res td { display: block; padding: 0; border: 0; text-align: left; white-space: normal; }
  .calc__res td.destaque { font-size: 1.25rem; }
  .calc__barra, .calc__legenda { margin-left: 16px; margin-right: 16px; }
  .calc__aviso { padding: 14px 16px; }
  .calc__abas button { font-size: .78rem; }
  .ficha > div { grid-template-columns: 1fr; gap: 0; }
  .rodape__ficha th { width: 90px; }
}

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