:root {
  --blue: #28606E;
  --blue-dark: #1b434d;
  --grey: #333333;
  --silver: #c0c0c0;
  --light: #f5f6f6;
  --white: #ffffff;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--grey);
  line-height: 1.6;
  background: var(--white);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Header */
header.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--blue);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: 1100px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 12px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo span { color: var(--grey); font-weight: 400; }
nav ul { display: flex; gap: 32px; list-style: none; flex-wrap: wrap; }
nav a { font-weight: 600; color: var(--grey); transition: color .2s; }
nav a:hover, nav a.active { color: var(--blue); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff;
  padding: 100px 24px;
  text-align: center;
}
.hero h1 { font-size: 2.6rem; margin-bottom: 16px; font-weight: 700; }
.hero p { font-size: 1.15rem; max-width: 700px; margin: 0 auto 32px; color: var(--silver); }

.btn {
  display: inline-block;
  background: #fff;
  color: var(--blue);
  padding: 14px 32px;
  font-weight: 700;
  border-radius: 4px;
  transition: all .2s;
  border: 2px solid #fff;
}
.btn:hover { background: var(--silver); border-color: var(--silver); }

/* Sections */
section { padding: 80px 24px; }
section.alt { background: var(--light); }
h2.section-title { font-size: 2rem; color: var(--blue); text-align: center; margin-bottom: 12px; }
p.section-sub { text-align: center; color: #666; max-width: 650px; margin: 0 auto 48px; }

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}
.card {
  background: #fff;
  border: 1px solid #e2e2e2;
  border-top: 4px solid var(--blue);
  border-radius: 6px;
  padding: 28px;
}
.card h3 { color: var(--blue); margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: #555; font-size: 0.95rem; }

/* Audience cards */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.audience-card {
  text-align: center;
  padding: 24px;
  background: #fff;
  border-radius: 6px;
  border: 1px solid #e2e2e2;
}
.audience-card .icon { font-size: 2rem; color: var(--blue); margin-bottom: 12px; }
.audience-card h3 { font-size: 1rem; color: var(--grey); }

/* Timeline (services / about) */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  border-left: 3px solid var(--blue);
  padding-left: 28px;
}
.timeline-item { margin-bottom: 36px; position: relative; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
}
.timeline-item h3 { color: var(--blue); margin-bottom: 6px; }
.timeline-item p { color: #555; }

/* Industry tags */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}
.tag {
  background: var(--blue);
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}
.contact-info h3 { color: var(--blue); margin-bottom: 6px; }
.contact-info p { margin-bottom: 22px; }
.contact-info a.link { color: var(--blue); font-weight: 600; }

/* Footer */
footer {
  background: var(--grey);
  color: var(--silver);
  text-align: center;
  padding: 32px 24px;
  font-size: 0.9rem;
}
footer a { color: #fff; font-weight: 600; }
footer p { margin-bottom: 6px; }

@media (max-width: 700px) {
  .nav-wrap { flex-direction: column; gap: 12px; }
  nav ul { gap: 20px; flex-wrap: wrap; justify-content: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
}