:root {
  --blue: #1257D6;
  --blue-dark: #0B3FA8;
  --green: #34A853;
  --green-dark: #248A3D;
  --ink: #2E2E33;
  --paper: #FAFAF8;
  --line: #E4E4E1;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

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

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

.nav a:hover { color: var(--blue); }

.nav-cta {
  background: var(--green);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
}

.nav-cta:hover { background: var(--green-dark); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
}

.hero-inner {
  padding: 96px 32px 110px;
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.circuit-deco {
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 420px;
  height: auto;
  z-index: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  margin: 0 0 14px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: #DCE6FB;
  margin: 0 0 32px;
}

.btn-primary {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
}

.btn-primary:hover { background: var(--green-dark); }

/* Services */
.services {
  padding: 88px 0;
}

.services h2, .about h2, .contact h2 {
  font-size: 30px;
  margin: 0 0 40px;
  font-weight: 800;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  background: #fff;
}

.card-mark {
  display: inline-block;
  font-weight: 800;
  color: var(--green);
  font-size: 13px;
  margin-bottom: 14px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: #57575E;
}

/* About */
.about {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 80px 0;
}

.about-inner p {
  font-size: 16px;
  line-height: 1.7;
  color: #57575E;
  max-width: 620px;
}

/* Contact */
.contact {
  background: var(--green);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.contact h2 { color: #fff; }

.contact p {
  font-size: 16px;
  margin: 0 0 28px;
  color: #EAFBEF;
}

.btn-light {
  background: #fff;
  color: var(--green-dark);
}

.btn-light:hover { background: #EAFBEF; }

/* Footer */
.footer {
  background: var(--ink);
  color: #B9B9BE;
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}

.footer-logo {
  height: 22px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

@media (max-width: 760px) {
  .hero h1 { font-size: 32px; }
  .cards { grid-template-columns: 1fr; }
  .nav { gap: 14px; }
  .circuit-deco { display: none; }
}