/* ==========================================================================
   MANX.TECH — Design System · tema escuro (Ink)
   Montserrat · Bordeaux #6E1F33 · Rosé #C25B72 · Ink #170E12 · Paper #F5F0EE
   ========================================================================== */

/* ---------- 1. Fonte ---------- */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('../fonts/montserrat-var-latin.woff2') format('woff2');
}

/* ---------- 2. Tokens ---------- */
:root {
  /* Superfícies (escuro) */
  --c-ink: #170e12;          /* fundo base */
  --c-ink-2: #1f141a;        /* seção elevada */
  --c-card: #251824;         /* cards */
  /* Marca */
  --c-bordeaux: #6e1f33;     /* primária: preenchimentos, painéis */
  --c-bordeaux-lo: #571828;  /* bordeaux mais profundo */
  --c-rose: #c25b72;         /* acento exato da marca: preenchimentos, botões, bordas */
  --c-rose-text: #ce6a80;    /* rosé p/ TEXTO pequeno — passa AA em ink/ink-2/card */
  --c-rose-hi: #d17c8f;      /* rosé hover (mais claro) */
  /* Texto */
  --c-paper: #f5f0ee;        /* texto principal */
  --c-paper-dim: rgba(245, 240, 238, 0.72); /* secundário */
  --c-paper-mute: rgba(245, 240, 238, 0.50);/* labels, metadados */
  --c-border: rgba(245, 240, 238, 0.12);    /* hairlines */
  --c-border-rose: rgba(194, 91, 114, 0.35);/* borda com tom rosé */

  /* Tipografia */
  --font: 'Montserrat', -apple-system, system-ui, 'Segoe UI', sans-serif;
  --fs-h1: clamp(2.4rem, 5.5vw, 4rem);
  --fs-h2: clamp(1.7rem, 3.6vw, 2.5rem);
  --fs-h3: 1.3125rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-eyebrow: 0.75rem;

  /* Forma / espaço */
  --space-section: 104px;
  --container: 1120px;
  --radius-btn: 6px;
  --radius-card: 10px;
}

@media (max-width: 720px) {
  :root { --space-section: 72px; }
}

/* ---------- 3. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.75;
  color: var(--c-paper-dim);
  background: var(--c-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  font-weight: 900;
  color: var(--c-paper);
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }

a { color: var(--c-rose-text); text-decoration: none; }
a:hover { color: var(--c-rose-hi); text-decoration: underline; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--c-rose); outline-offset: 3px; border-radius: 3px; }
::selection { background: rgba(194, 91, 114, 0.30); color: #fff; }

/* ---------- 4. Utilitários ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: var(--space-section); }
.section-2 { background: var(--c-ink-2); }

.eyebrow {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-rose-text);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--c-rose);
  margin-right: 14px;
  vertical-align: middle;
}

.section-head { max-width: 700px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.lead { font-size: 1.1875rem; line-height: 1.7; color: var(--c-paper-dim); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 5. Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.01em;
  line-height: 1.3; text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { flex-shrink: 0; }

/* CTA principal / WhatsApp — rosé (acento da marca) sobre ink */
.btn-primary, .btn-wa { background: var(--c-rose); color: var(--c-ink); }
.btn-primary:hover, .btn-wa:hover { background: var(--c-rose-hi); color: var(--c-ink); box-shadow: 0 8px 28px rgba(194, 91, 114, 0.30); }

.btn-outline { background: transparent; color: var(--c-paper); border: 1px solid var(--c-border); }
.btn-outline:hover { border-color: var(--c-rose); color: var(--c-paper); background: transparent; }

.btn-lg { padding: 18px 38px; font-size: 1rem; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(23, 14, 18, 0.82);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.site-header.scrolled { border-bottom-color: var(--c-border); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px; flex-wrap: wrap; padding-block: 12px;
}
.brand { display: inline-flex; align-items: center; }
.brand img, .brand svg { width: auto; height: 100px; }

.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a { color: var(--c-paper-dim); font-size: 0.875rem; font-weight: 500; letter-spacing: 0.02em; }
.site-nav a:hover { color: var(--c-paper); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--c-rose-text); }

.nav-cta { display: inline-flex; }
.nav-cta .btn { padding: 9px 20px; font-size: 0.8125rem; }

.lang-switch {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  color: var(--c-paper-dim);
  border: 1px solid var(--c-border); border-radius: 999px; padding: 5px 13px;
}
.lang-switch:hover { color: var(--c-paper); border-color: var(--c-rose); text-decoration: none; }

@media (max-width: 860px) {
  .nav-cta { display: none; }
  .header-inner { justify-content: center; row-gap: 0; }
  .site-nav { gap: 20px; overflow-x: auto; max-width: 100%; padding-bottom: 6px; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(72px, 10vw, 140px);
  overflow: hidden;
  background:
    radial-gradient(ellipse 820px 560px at 82% 15%, rgba(194, 91, 114, 0.16), transparent 62%),
    radial-gradient(ellipse 640px 520px at 6% 92%, rgba(110, 31, 51, 0.34), transparent 68%),
    var(--c-ink);
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 64px; align-items: center;
}
.hero h1 { margin-bottom: 0.5em; }
.hero h1 .accent { color: var(--c-rose-text); }
.hero .lead { font-size: clamp(1.125rem, 2vw, 1.3125rem); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

/* Símbolo grande da marca no hero */
.hero-mark {
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.hero-mark img {
  width: min(300px, 70%);
  filter: drop-shadow(0 20px 60px rgba(194, 91, 114, 0.25));
  animation: mark-float 6s ease-in-out infinite alternate;
}
@keyframes mark-float { from { transform: translateY(0); } to { transform: translateY(-14px); } }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-mark { order: -1; }
  .hero-mark img { width: 180px; }
}

/* ---------- 7b. Clientes (mural de logos) ---------- */
.clients { padding-block: 76px; }
.clients-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-paper-mute);
  margin-bottom: 36px;
}
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  justify-items: center;
  gap: 44px 40px;
}
/* logos oficiais dos aeroportos (VINCI), tratados em branco p/ o tema escuro */
.client-logo {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);   /* silhueta branca uniforme */
  opacity: 0.82;
  transition: opacity 0.2s ease;
}
.client-logo:hover { opacity: 1; }

@media (max-width: 720px) {
  .clients-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
  .client-logo { height: 40px; }
}

/* ---------- 8. Stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px;
  padding-block: 44px;
  border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border);
}
.stat { text-align: center; }
.stat strong {
  display: block; font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  font-weight: 900; letter-spacing: -0.02em; color: var(--c-paper); line-height: 1.1;
}
.stat span {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--c-paper-mute);
}
@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 34px 16px; }
  .stats .stat:last-child { grid-column: 1 / -1; }
}

/* ---------- 9. Cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 960px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 34px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--c-border-rose); transform: translateY(-2px); }
.card h3 { margin-bottom: 14px; color: var(--c-paper); }
.card p:last-child { margin-bottom: 0; }

.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(194, 91, 114, 0.14); color: var(--c-rose-text);
  margin-bottom: 22px;
}

/* card em destaque (a dor mais aguda) */
.card-focus {
  border-color: var(--c-rose);
  background:
    radial-gradient(130% 130% at 100% 0%, rgba(194, 91, 114, 0.16), transparent 58%),
    var(--c-card);
  box-shadow: 0 18px 46px rgba(110, 31, 51, 0.25);
}
.card-focus:hover { border-color: var(--c-rose); transform: translateY(-2px); }
.card-flag {
  display: inline-block;
  font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--c-rose-text); margin-bottom: 14px;
}

/* ---------- Oferta produtizada (Primeiro Caso de IA) ---------- */
.offer {
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(110, 31, 51, 0.38), transparent 55%),
    var(--c-card);
  border: 1px solid var(--c-border-rose);
  border-radius: var(--radius-card);
  padding: 48px;
}
.offer-head { max-width: 660px; margin-bottom: 40px; }
.offer-head h2 { margin-bottom: 14px; }
.offer-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 40px; }
.offer-step { border-top: 2px solid var(--c-rose); padding-top: 18px; }
.offer-step h3 { margin-bottom: 8px; }
.offer-step p:last-child { margin-bottom: 0; }
.offer-week {
  display: block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--c-rose-text); margin-bottom: 10px;
}
.offer-foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 22px; border-top: 1px solid var(--c-border); padding-top: 30px;
}
.offer-take { margin: 0; color: var(--c-paper); max-width: 30em; }
.offer-note { text-align: center; margin: 26px 0 0; color: var(--c-paper-dim); font-size: 0.9375rem; }

/* ---------- Case ovOvo: áreas rodando em IA ---------- */
.ops-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ops-item {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-card); padding: 26px; transition: border-color 0.2s ease;
}
.ops-item:hover { border-color: var(--c-border-rose); }
.ops-chip {
  display: inline-block; font-size: 0.6875rem; font-weight: 800; letter-spacing: 0.08em;
  color: var(--c-ink); background: var(--c-rose); border-radius: 4px; padding: 3px 9px; margin-bottom: 16px;
}
.ops-item h3 { font-size: 1.125rem; margin-bottom: 8px; }
.ops-item p { margin: 0; font-size: 0.9375rem; }
@media (max-width: 900px) { .ops-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .ops-grid { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .offer { padding: 30px; }
  .offer-steps { grid-template-columns: 1fr; gap: 22px; }
}
.card-num {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.14em;
  color: var(--c-rose-text); margin-bottom: 14px;
}
.card-link { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 0.875rem; }

/* ---------- 10. Cases ---------- */
.case-card { display: flex; flex-direction: column; }
.case-tag {
  font-size: var(--fs-eyebrow); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--c-paper-mute); margin-bottom: 14px;
}
.case-result {
  margin-top: auto; padding-top: 18px;
  font-size: 1.0625rem; font-weight: 700; color: var(--c-rose-text);
}

/* ---------- 10b. Case em destaque ---------- */
.case-feature {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 44px;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 44px;
}
.case-feature-main > p { color: var(--c-paper); font-size: 1.0625rem; }
.case-do { list-style: none; padding: 0; margin: 24px 0 0; }
.case-do li { position: relative; padding-left: 26px; margin-bottom: 16px; }
.case-do li:last-child { margin-bottom: 0; }
.case-do li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--c-rose);
}
.case-do li strong { color: var(--c-paper); }
.case-feature-side {
  display: flex; flex-direction: column; gap: 22px;
  border-left: 1px solid var(--c-border); padding-left: 36px;
}
.case-metric strong {
  display: block; font-size: 2rem; font-weight: 900;
  color: var(--c-paper); line-height: 1.05; letter-spacing: -0.02em;
}
.case-metric span {
  display: block; margin-top: 4px;
  font-size: 0.8125rem; color: var(--c-paper-dim);
  text-transform: uppercase; letter-spacing: 0.06em; line-height: 1.4;
}
@media (max-width: 860px) {
  .case-feature { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
  .case-feature-side { border-left: 0; border-top: 1px solid var(--c-border); padding-left: 0; padding-top: 28px; }
}

/* ---------- 11. Depoimentos ---------- */
.quote {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--radius-card); padding: 38px; margin: 0; position: relative;
}
.quote::before {
  content: '\201C'; font-weight: 900; font-size: 3.2rem; line-height: 0.8;
  color: var(--c-rose); display: block; margin-bottom: 10px;
}
.quote p { font-size: 1.125rem; color: var(--c-paper); margin-bottom: 22px; line-height: 1.6; }
.quote footer { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-paper-mute); }
.quote footer strong { color: var(--c-paper-dim); display: block; letter-spacing: 0.1em; }

/* ---------- 12. FAQ ---------- */
.faq { max-width: 720px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--c-border); padding-block: 8px; }
.faq details:first-of-type { border-top: 1px solid var(--c-border); }
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 1.0625rem; color: var(--c-paper);
  padding: 18px 36px 18px 0; list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; font-weight: 400; color: var(--c-rose-text);
}
.faq details[open] summary::after { content: '\2212'; }
.faq details > div { padding: 0 36px 22px 0; }
.faq details > div p:last-child { margin-bottom: 0; }

/* ---------- 13. CTA final ---------- */
.cta-final {
  text-align: center;
  background:
    radial-gradient(ellipse 700px 400px at 50% 0%, rgba(110, 31, 51, 0.40), transparent 70%),
    var(--c-ink-2);
  border-top: 1px solid var(--c-border);
}
.cta-final .lead { max-width: 36em; margin-inline: auto; }
.cta-final .btn { margin-top: 28px; }

/* ---------- 14. Serviços (por resultado) ---------- */
.service {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px; padding-block: 64px; border-top: 1px solid var(--c-border);
}
.service:first-of-type { border-top: 0; }
.service-meta h4 {
  font-size: var(--fs-eyebrow); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--c-rose-text); margin-bottom: 8px;
}
.service-meta p { margin-bottom: 26px; }
.service ul { margin: 0 0 1em; padding-left: 20px; }
.service li { margin-bottom: 10px; }
.service li::marker { color: var(--c-rose); }
@media (max-width: 860px) { .service { grid-template-columns: 1fr; gap: 26px; padding-block: 44px; } }

/* ---------- 15. Prosa (Sobre + Blog) ---------- */
.prose { max-width: 680px; margin-inline: auto; }
.prose h1 { font-size: clamp(2.1rem, 4.5vw, 3rem); }
.prose h2 { margin-top: 2.2em; color: var(--c-paper); }
.prose h3 { margin-top: 1.6em; }
.prose blockquote {
  margin: 2.4em 0; padding: 6px 0 6px 26px; border-left: 3px solid var(--c-rose);
  font-size: 1.375rem; font-weight: 700; color: var(--c-paper); line-height: 1.4; letter-spacing: -0.01em;
}
.prose blockquote p { margin: 0; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 10px; }
.prose li::marker { color: var(--c-rose); }
.prose hr { border: 0; border-top: 1px solid var(--c-border); margin-block: 3em; }
.post-meta {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--c-paper-mute); margin-bottom: 2em;
}

/* ---------- 16. Blog index ---------- */
.post-card h3 { margin-bottom: 10px; }
.post-card h3 a { color: var(--c-paper); }
.post-card h3 a:hover { color: var(--c-rose-text); text-decoration: none; }
.post-card .post-meta { margin-bottom: 14px; }

/* ---------- 17. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding-block: 56px; font-size: var(--fs-small); color: var(--c-paper-mute);
  background: var(--c-ink);
}
.footer-inner { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 28px; }
.footer-brand img { height: 30px; width: auto; margin-bottom: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: var(--c-paper-dim); font-size: 0.875rem; }
.footer-links a:hover { color: var(--c-paper); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: var(--c-paper-mute); display: inline-flex; padding: 4px; }
.footer-social a:hover { color: var(--c-rose); }

/* ---------- 18. WhatsApp flutuante (mobile) ---------- */
.wa-float {
  display: none; position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--c-rose); color: var(--c-ink);
  align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.15s ease, background-color 0.15s ease;
}
.wa-float:hover { transform: scale(1.06); background: var(--c-rose-hi); }
@media (max-width: 860px) {
  .wa-float { display: inline-flex; }
  .site-footer { padding-bottom: 104px; }
}

/* ---------- 19b. Rede neural (parallax, segundo plano) ---------- */
.neural-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}
/* conteúdo sempre acima da rede */
.hero .container,
.cta-final .container { position: relative; z-index: 1; }
.cta-final { position: relative; overflow: hidden; }

/* ícone de rede nos cards (ilustração discreta) */
.card-illus {
  display: block;
  color: var(--c-rose-text);
  margin-bottom: 16px;
  line-height: 0;
}

/* ---------- 20. Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}