:root {
  --navy: #06182c;
  --navy-2: #0b2945;
  --blue: #0879c9;
  --cyan: #19b9e6;
  --gold: #f3a928;
  --white: #ffffff;
  --text: #263746;
  --muted: #6b7b89;
  --light: #f4f8fb;
  --border: #dce7ef;
  --shadow: 0 12px 35px rgba(3, 24, 44, .10);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 24, 44, .97);
  box-shadow: 0 3px 18px rgba(0,0,0,.12);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}
.logo {
  color: #fff;
  font-size: 25px;
  font-weight: 800;
  letter-spacing: .5px;
}
.logo span { color: var(--gold); }
.logo small {
  display: block;
  font-size: 9px;
  letter-spacing: 2.3px;
  font-weight: 500;
  color: #b8c9d8;
  margin-top: -3px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a {
  color: #eaf4fb;
  padding: 10px 15px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
}
.nav a:hover, .nav a.active { background: rgba(255,255,255,.10); color: #fff; }
.nav .contact-btn {
  background: var(--gold);
  color: #071b2d;
  margin-left: 8px;
}
.menu-btn {
  display: none;
  border: 0;
  background: transparent;
  color: white;
  font-size: 28px;
  cursor: pointer;
}

/* Hero */
.hero {
  min-height: 610px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(3,16,30,.98) 0%, rgba(3,18,34,.88) 37%, rgba(3,18,34,.22) 70%, rgba(3,18,34,.10) 100%),
    url("earth-network.jpg") center right / cover no-repeat;
  color: #fff;
}
.hero-content { max-width: 650px; padding: 90px 0; }
.eyebrow {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.08;
  letter-spacing: -1.5px;
}
.hero p {
  color: #d9e8f3;
  font-size: 19px;
  max-width: 610px;
}
.btns { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 8px;
  font-weight: 800;
  border: 1px solid transparent;
}
.btn-primary { background: var(--gold); color: #071b2d; }
.btn-secondary { border-color: rgba(255,255,255,.45); color: #fff; }

/* Sections */
.section { padding: 82px 0; }
.section.alt { background: var(--light); }
.section-heading { text-align: center; max-width: 750px; margin: 0 auto 45px; }
.section-heading h2 {
  margin: 8px 0 12px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 43px);
  line-height: 1.15;
}
.section-heading p { color: var(--muted); margin: 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: #fff;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card .icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: #e8f6fc;
  color: var(--blue);
  font-size: 22px;
  margin-bottom: 17px;
}
.card h3 { margin: 0 0 8px; color: var(--navy); font-size: 21px; }
.card p { color: var(--muted); margin: 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split h2 { color: var(--navy); font-size: 40px; line-height: 1.15; margin: 10px 0 18px; }
.split p { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 25px 0 0; }
.checks li { margin: 10px 0; padding-left: 30px; position: relative; }
.checks li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--blue); font-weight: 900;
}

.stat-box {
  background: linear-gradient(145deg, var(--navy), var(--navy-2));
  color: #fff;
  border-radius: 22px;
  padding: 42px;
  box-shadow: var(--shadow);
}
.stat-box h3 { font-size: 28px; margin: 0 0 12px; }
.stat-box p { color: #c9d9e5; }

.page-hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
  padding: 78px 0;
}
.page-hero h1 { font-size: 48px; margin: 0 0 8px; }
.page-hero p { color: #c7d9e6; margin: 0; }

.about-content { max-width: 920px; margin: 0 auto; }
.about-content h2 { color: var(--navy); font-size: 32px; margin-top: 0; }
.about-content h3 { color: var(--navy); font-size: 25px; margin-top: 38px; }
.about-content p { color: #526474; margin: 0 0 19px; }
.tagline {
  margin-top: 30px;
  padding: 24px 28px;
  border-left: 5px solid var(--gold);
  background: #fff8e9;
  font-size: 21px;
  font-weight: 800;
  color: var(--navy);
}

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 28px;
}
.contact-card, .form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-item { margin: 0 0 24px; }
.contact-item strong { display: block; color: var(--navy); margin-bottom: 3px; }
.contact-item span { color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
label { display: block; font-weight: 700; color: var(--navy); font-size: 14px; margin-bottom: 6px; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 13px;
  font: inherit;
  outline: none;
  margin-bottom: 16px;
}
input:focus, textarea:focus, select:focus { border-color: var(--blue); }
textarea { min-height: 140px; resize: vertical; }

/* Footer */
.site-footer {
  background: #041322;
  color: #b9cad8;
  padding: 58px 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 45px;
  padding-bottom: 35px;
}
.site-footer h3, .site-footer h4 { color: #fff; margin-top: 0; }
.site-footer h3 { font-size: 23px; }
.site-footer p { max-width: 480px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: 8px 0; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.10);
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 800px) {
  .header-inner { min-height: 68px; }
  .menu-btn { display: block; }
  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 68px;
    background: var(--navy);
    padding: 12px 20px 20px;
    flex-direction: column;
    align-items: stretch;
  }
  .nav.open { display: flex; }
  .nav a { text-align: center; }
  .nav .contact-btn { margin-left: 0; }
  .hero { min-height: 650px; background-position: 58% center; }
  .hero-content { padding: 75px 0; }
  .grid, .split, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .split { gap: 35px; }
  .page-hero h1 { font-size: 38px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
}