:root {
  --cyan: #1DE9C6;
  --cyan-text: #0AA0B4;
  --ink: #0A1417;
  --teal-dark: #17323A;
  --bg-light: #EAF6F3;
  --gray: #6E7B7E;
  --white: #FFFFFF;

  --font-display: "Saira Condensed", Helvetica, Arial, sans-serif;
  --font-body: "IBM Plex Sans", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-light);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.2px;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.6rem); }
h3 { font-size: 1.25rem; font-weight: 700; }

p { margin: 0 0 1em; color: var(--teal-dark); }

/* ---------- topbar ---------- */

.topbar {
  background: var(--ink);
  border-bottom: 3px solid var(--cyan);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__mark { width: 34px; height: 27px; flex: none; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 1px;
  color: var(--white);
  text-transform: uppercase;
}
.brand__name strong { font-weight: 800; color: var(--cyan); }

.nav { display: flex; gap: 28px; }
.nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.85;
  transition: opacity 0.15s, color 0.15s;
}
.nav a:hover { opacity: 1; color: var(--cyan); }

/* ---------- hero ---------- */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(640px 320px at 85% -10%, rgba(29,233,198,0.16), transparent 70%),
    var(--bg-light);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--cyan-text);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4rem);
  color: var(--ink);
  max-width: 14ch;
}

.hero__lead {
  max-width: 54ch;
  font-size: 1.1rem;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  margin-top: 12px;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid var(--ink);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- services ---------- */

.services { padding: 72px 0; background: var(--white); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.card {
  padding: 26px 24px;
  background: var(--bg-light);
  border-radius: 10px;
  border-top: 3px solid var(--cyan);
}

.card h3 { color: var(--ink); margin-bottom: 0.4em; }
.card p { margin: 0; font-size: 0.95rem; }

/* ---------- about ---------- */

.about { padding: 72px 0; background: var(--bg-light); }
.about__inner { max-width: 70ch; }
.about p { font-size: 1.05rem; }
.about strong { color: var(--ink); }

/* ---------- contact ---------- */

.contact { padding: 72px 0 88px; background: var(--white); }

.contact__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.contact__list a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: color 0.15s;
}
.contact__list a:hover { color: var(--cyan-text); }

/* ---------- footer ---------- */

.footer {
  background: var(--ink);
  color: var(--white);
  padding: 28px 0;
  text-align: center;
}
.footer p {
  margin: 0;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1px;
}
.footer__cnpj { opacity: 0.6; margin-top: 4px !important; }

@media (max-width: 640px) {
  .nav { display: none; }
  .hero { padding: 64px 0 56px; }
}