/* Vórtex Stack: site institucional. Creme e grafite com o verde da IAZuca de destaque. */
:root {
  --bg: #f3ede3;
  --paper: #fbf8f2;
  --ink: #121512;
  --ink-2: #3c423d;
  --muted: #6b716b;
  --line: rgba(18, 21, 18, 0.12);
  --accent: #13794f;
  --accent-2: #2bb673;
  --dark: #101310;
  --dark-2: #1a1f1b;
  --on-dark: #f3ede3;
  --on-dark-muted: #b9c0b9;
  --radius: 22px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 12px/1 'JetBrains Mono', ui-monospace, monospace; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); }
h1, h2, h3 { letter-spacing: -0.035em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(38px, 6.4vw, 72px); font-weight: 750; }
h2 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 720; }
h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
em.serif { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -0.01em; color: var(--accent); }
p { margin: 0; }

/* topo */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 750; letter-spacing: -0.02em; font-size: 18px; }
.brand img { width: 32px; height: 32px; }
.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 20px; border-radius: 999px;
  font-weight: 650; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-dark { background: var(--ink); color: var(--on-dark); }
.btn-ghost { border-color: var(--line); background: var(--paper); }
.btn-green { background: var(--accent); color: #fff; }

/* hero */
.hero { padding: 88px 0 72px; }
.hero h1 { max-width: 900px; margin: 18px 0 22px; }
.hero .lead { max-width: 640px; font-size: 19px; color: var(--ink-2); }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 56px; }
.fact { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.fact b { display: block; font-size: 15px; }
.fact span { font-size: 13px; color: var(--muted); }

/* seções */
section { padding: 84px 0; }
.head { max-width: 720px; margin-bottom: 40px; }
.head h2 { margin: 14px 0 12px; }
.head p { color: var(--ink-2); }
.grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card .ic { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent-2) 16%, transparent); color: var(--accent); margin-bottom: 14px; }
.card p { font-size: 15px; color: var(--ink-2); margin-top: 6px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; counter-increment: s; }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; font-family: 'Instrument Serif', Georgia, serif; font-size: 34px; line-height: 1; color: var(--accent); margin-bottom: 8px; }
.steps b { display: block; }
.steps span { font-size: 14px; color: var(--muted); }

/* IAZuca (bloco escuro) */
.dark { background: var(--dark); color: var(--on-dark); border-radius: 32px; margin: 0 12px; }
.dark .eyebrow { color: var(--accent-2); }
.dark .head p, .dark .muted { color: var(--on-dark-muted); }
.prod { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: start; }
.feat { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.feat li { display: flex; gap: 12px; padding: 14px 16px; background: var(--dark-2); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; }
.feat li::before { content: '✓'; color: var(--accent-2); font-weight: 800; }
.feat b { color: #fff; }
.panel { background: var(--dark-2); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 24px; }
.panel h3 { color: #fff; margin-bottom: 10px; }
.panel p { color: var(--on-dark-muted); font-size: 15px; }
.panel .links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.panel .btn-ghost { background: transparent; border-color: rgba(255,255,255,.18); color: var(--on-dark); }
.tools { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.tool { border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 16px 18px; }
.tool b { color: #fff; }
.tool p { font-size: 14px; color: var(--on-dark-muted); margin-top: 4px; }

/* serviços: marketing e automação lado a lado */
.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.service { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.service .tag { display: inline-block; font: 600 12px/1 'JetBrains Mono', ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; padding: 7px 10px; border-radius: 999px; background: color-mix(in srgb, var(--accent-2) 16%, transparent); color: var(--accent); }
.service h3 { font-size: 26px; margin: 14px 0 8px; }
.service > p { color: var(--ink-2); font-size: 15px; }
.service ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.service li { border-top: 1px solid var(--line); padding-top: 12px; }
.service li b { display: block; }
.service li span { font-size: 14px; color: var(--muted); }
.audience { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.audience span { background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px; font-size: 14px; color: var(--ink-2); }
.phases { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; counter-reset: p; list-style: none; padding: 0; margin: 0; }
.phases li { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 20px; counter-increment: p; }
.phases li::before { content: counter(p, decimal-leading-zero); display: block; font-family: 'Instrument Serif', Georgia, serif; font-size: 38px; line-height: 1; color: var(--accent); margin-bottom: 10px; }
.phases b { display: block; font-size: 17px; }
.phases span { font-size: 14px; color: var(--muted); }

/* dados da empresa */
.company { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 28px; align-items: start; }
.table { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.row { display: grid; grid-template-columns: 200px 1fr; gap: 16px; padding: 15px 22px; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row dt { color: var(--muted); font-size: 14px; }
.row dd { margin: 0; font-weight: 600; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 500; }
.row .note { display: block; font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 2px; }
.head p a { color: var(--accent); }

/* contato e rodapé */
.contact { text-align: center; }
.contact h2 { max-width: 760px; margin: 14px auto 14px; }
.contact p { color: var(--ink-2); max-width: 620px; margin: 0 auto; }
.contact .ctas { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
footer a { color: var(--ink-2); }
footer .marks { flex-basis: 100%; font-size: 12px; }

/* política de privacidade */
.legal { max-width: 760px; padding: 64px 20px 84px; }
.legal h1 { font-size: clamp(32px, 5vw, 48px); margin: 14px 0 10px; }
.legal .updated { color: var(--muted); font-size: 14px; }
.legal h2 { font-size: 22px; letter-spacing: -0.02em; margin: 40px 0 10px; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 20px; margin: 10px 0 0; display: grid; gap: 6px; }
.legal a { color: var(--accent); }

@media (max-width: 960px) {
  .nav { display: none; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps, .tools, .services { grid-template-columns: 1fr; }
  .phases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prod, .company { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 2px; }
  .dark { margin: 0; border-radius: 0; }
}
@media (max-width: 520px) {
  .grid-5, .phases { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .service { padding: 22px; }
}