* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PT Sans", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1c2128;
  background: #f6f8fa;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
header {
  background: #11202d;
  color: #d0d7de;
  padding: 18px 0;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-mark {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 20px;
  color: #f6f8fa;
}
.brand-tag {
  font-size: 11px;
  text-transform: uppercase;
  color: #8b97a7;
  letter-spacing: 0.05em;
}
nav a {
  color: #d0d7de;
  text-decoration: none;
  font-size: 15px;
  margin-left: 22px;
}
nav a:hover { color: #f6f8fa; }

.hero {
  background: linear-gradient(180deg, #11202d 0%, #1c2f42 100%);
  color: #f6f8fa;
  padding: 80px 0 100px;
}
.hero h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
  max-width: 720px;
}
.hero .lead {
  font-size: 18px;
  color: #c9d1d9;
  max-width: 640px;
  margin-bottom: 32px;
}
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.15s ease;
}
.btn.primary {
  background: #2f81f7;
  color: #fff;
}
.btn.primary:hover { background: #1f6fdb; }
.btn.ghost {
  background: transparent;
  color: #c9d1d9;
  border: 1px solid #4a5868;
}
.btn.ghost:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

section {
  padding: 60px 0;
}
section.alt {
  background: #fff;
}
section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  color: #11202d;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 22px;
}
.card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: #11202d;
}
.card p {
  color: #57606a;
  font-size: 14px;
}
.note {
  margin-top: 24px;
  color: #57606a;
  font-size: 14px;
  font-style: italic;
}

.services {
  list-style: none;
}
.services li {
  padding: 14px 0;
  border-bottom: 1px solid #eaeef2;
  color: #1c2128;
}
.services li:last-child { border-bottom: 0; }
.services strong { color: #11202d; }

#about p {
  margin-bottom: 14px;
  color: #1c2128;
  max-width: 800px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.contact-grid h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #57606a;
  margin-bottom: 8px;
}
.contact-grid p {
  font-size: 15px;
  color: #1c2128;
  margin-bottom: 4px;
}
.email {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  color: #2f81f7;
}

footer {
  background: #11202d;
  color: #8b97a7;
  padding: 30px 0;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 640px) {
  .hero { padding: 50px 0 70px; }
  .hero h1 { font-size: 28px; }
  nav { display: none; }
  section { padding: 40px 0; }
}