:root {
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --text: #12141c;
  --muted: #5b6472;
  --accent: #3556e0;
  --accent-2: #10b3a3;
  --accent-soft: rgba(53, 86, 224, 0.08);
  --border: #e6e9f0;
  --on-accent: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--accent); }

/* --- Header --- */
header.site {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.2px;
}
.logo .mark {
  height: 36px; width: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.logo .labs { color: var(--accent); }

nav.main-nav { display: flex; align-items: center; gap: 28px; }
nav.main-nav a {
  color: var(--muted); text-decoration: none; font-size: 14.5px; font-weight: 600;
}
nav.main-nav a:hover { color: var(--text); }
.nav-cta {
  background: var(--accent); color: var(--on-accent);
  padding: 9px 20px; border-radius: 8px;
  font-weight: 700; font-size: 14px; text-decoration: none;
}
.nav-cta:hover { background: #2941b8; }
.nav-toggle { display: none; }

/* --- Hero --- */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 110px 24px 80px;
  text-align: center;
}
.hero .eyebrow {
  display: inline-block;
  background: var(--accent-soft); color: var(--accent);
  padding: 6px 16px; border-radius: 20px;
  font-size: 13px; font-weight: 700; margin-bottom: 22px;
}
.hero h1 {
  font-size: 46px; line-height: 1.15; margin: 0 0 20px;
  letter-spacing: -1px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { color: var(--muted); font-size: 18px; max-width: 600px; margin: 0 auto 32px; }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent); color: var(--on-accent); border: none;
  padding: 14px 30px; border-radius: 8px; font-weight: 700; font-size: 15px;
  cursor: pointer; text-decoration: none; display: inline-block;
}
.btn-primary:hover { background: #2941b8; }
.btn-secondary {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  padding: 14px 30px; border-radius: 8px; font-weight: 600; font-size: 15px;
  cursor: pointer; text-decoration: none; display: inline-block;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* --- Shared section layout --- */
main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section { padding: 70px 0; border-top: 1px solid var(--border); }
.section-head { max-width: 560px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  display: inline-block; background: var(--accent-soft); color: var(--accent);
  padding: 5px 14px; border-radius: 20px; font-size: 12.5px; font-weight: 700; margin-bottom: 14px;
}
.section-head h2 { font-size: 30px; margin: 0 0 10px; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); margin: 0; font-size: 15.5px; }

/* --- Servicios --- */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px;
}
.service-card {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px;
  padding: 30px 26px;
}
.service-card .icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.service-card .icon svg { width: 24px; height: 24px; color: #fff; }
.service-card h3 { font-size: 17px; margin: 0 0 8px; }
.service-card p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* --- Cómo trabajamos --- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.step { text-align: left; }
.step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 800; font-size: 14px; margin-bottom: 14px;
}
.step h3 { font-size: 15.5px; margin: 0 0 6px; }
.step p { color: var(--muted); font-size: 14px; margin: 0; }

/* --- Contacto --- */
.contact-box {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 18px; padding: 54px 40px; text-align: center; color: #fff;
}
.contact-box h2 { font-size: 28px; margin: 0 0 12px; letter-spacing: -0.5px; }
.contact-box p { opacity: 0.92; font-size: 16px; margin: 0 0 26px; }
.contact-box .btn-light {
  background: #fff; color: var(--accent); border: none;
  padding: 14px 32px; border-radius: 8px; font-weight: 700; font-size: 15px;
  text-decoration: none; display: inline-block;
}
.contact-box .btn-light:hover { background: #f0f2ff; }
.contact-box .email-note { margin-top: 18px; font-size: 14px; opacity: 0.85; }
.contact-box .email-note a { color: #fff; font-weight: 700; text-decoration: underline; }

/* --- Footer --- */
footer.site {
  border-top: 1px solid var(--border);
  padding: 34px 24px; text-align: center; color: var(--muted); font-size: 13.5px;
}
footer.site .flogo {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 800; color: var(--text); margin-bottom: 6px;
}
footer.site .flogo img { height: 28px; width: auto; }
footer.site .flogo .labs { color: var(--accent); }

/* --- Responsive --- */
@media (max-width: 720px) {
  nav.main-nav { display: none; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
  .contact-box { padding: 40px 24px; }
}