:root {
  --navy: #10233f;
  --navy-dark: #0a1728;
  --charcoal: #2b2f36;
  --accent: #c8952c;
  --accent-light: #e8b85a;
  --light-bg: #f5f6f8;
  --text: #2b2f36;
  --text-muted: #5b6270;
  --white: #ffffff;
  --max-width: 1100px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--navy-dark);
}

/* Header */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--accent-light);
  font-weight: 400;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: var(--white);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.15rem;
  color: #cfd6e0;
  max-width: 640px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 14px 34px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--accent-light);
}

/* Services */
.services {
  padding: 90px 0;
  background: var(--light-bg);
}

.services h2,
.about h2,
.contact h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
  position: relative;
}

.services h2::after,
.about h2::after,
.contact h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 16px auto 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: 8px;
  padding: 34px 26px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.1);
}

.service-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About */
.about {
  padding: 90px 0;
}

.about p {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Contact */
.contact {
  padding: 90px 0;
  background: var(--light-bg);
}

.contact-details {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
}

.contact-details p {
  margin-bottom: 20px;
}

.contact-details a {
  color: var(--accent);
  font-weight: 600;
}

.contact-details a:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #9aa4b5;
  text-align: center;
  padding: 28px 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
  .nav {
    gap: 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero {
    padding: 70px 0;
  }

  .services, .about, .contact {
    padding: 60px 0;
  }
}