:root { --navy: #0A1428; --teal: #00D4C8; }

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--navy);
  color: white;
  line-height: 1.7;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 212, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 200, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

nav {
  background: #112233;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-links a {
  color: white;
  margin: 0 18px;
  text-decoration: none;
  font-weight: 500;
}
.nav-links a:hover { color: var(--teal); }

/* Page-level content wrappers */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.content-box { max-width: 700px; margin: 60px auto; padding: 0 20px; text-align: center; }
.content-page { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }

/* Hero (home page) */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 900px 500px at 50% 15%, rgba(0, 212, 200, 0.16), transparent 65%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
}
.logo { max-width: 380px; height: auto; margin-bottom: 35px; }
h1 { font-size: 3.8rem; margin-bottom: 1rem; }
.tagline { font-size: 1.85rem; color: var(--teal); margin-bottom: 2rem; }
.phone { font-size: 2.8rem; color: var(--teal); font-weight: bold; margin: 25px 0; }
.btn {
  background: var(--teal);
  color: black;
  padding: 20px 48px;
  font-size: 1.35rem;
  font-weight: bold;
  border-radius: 50px;
  text-decoration: none;
  margin: 12px;
  display: inline-block;
}
.btn-outline { background: transparent; border: 2px solid var(--teal); color: white; }

/* Typography helpers shared by content pages */
h1, h2, h3 { color: var(--teal); }
ul, ol { margin: 15px 0; padding-left: 25px; }
li { margin: 8px 0; }

/* How It Works */
.step {
  background: rgba(255, 255, 255, 0.05);
  padding: 35px;
  border-radius: 16px;
  border: 1px solid var(--teal);
  margin-bottom: 25px;
}
.step-number {
  background: var(--teal);
  color: black;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.human-banner {
  background: linear-gradient(135deg, rgba(0, 212, 200, 0.14), rgba(0, 212, 200, 0.04));
  border: 1px solid var(--teal);
  border-left: 6px solid var(--teal);
  border-radius: 12px;
  padding: 30px 35px;
  margin-bottom: 40px;
  text-align: left;
}
.human-banner .eyebrow {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 10px;
}
.human-banner h2 { margin-top: 0; }
.human-banner p { font-size: 1.1rem; max-width: 750px; margin: 0; }

/* Contact form */
form { max-width: 600px; margin: 40px auto 0; }
input, textarea, select {
  width: 100%;
  padding: 14px;
  margin: 12px 0;
  background: #112233;
  border: 1px solid var(--teal);
  color: white;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
select { color: #b8c4d4; }
select:valid { color: white; }
.optional-label {
  text-align: left;
  font-size: 0.9rem;
  color: var(--teal);
  margin: 28px 0 4px;
}
button {
  background: var(--teal);
  color: black;
  padding: 16px 40px;
  font-size: 1.2rem;
  font-weight: bold;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  margin-top: 20px;
}