:root {
  --ink: #0F2040;
  --accent: #1C7A9C;
  --rule: #C8D4DF;
  --meta: #6B7A8D;
  --ground: #FFFFFF;
  --panel: #F6F9FB;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Trebuchet MS", "Gill Sans MT", "Gill Sans", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--ground);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand svg { width: 32px; height: 32px; flex-shrink: 0; }
.brand span {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
nav { display: flex; gap: 28px; align-items: center; }
nav a { font-size: 14px; color: var(--meta); }
nav a:hover, nav a.active { color: var(--accent); }
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); }

/* Hero (homepage) */
.hero { padding: 100px 0 90px; text-align: center; }
.hero .kicker {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.15;
  max-width: 760px;
  margin: 0 auto 20px;
}
.hero p {
  font-size: 18px;
  color: var(--meta);
  max-width: 560px;
  margin: 0 auto 34px;
}

/* Page header (subpages) */
.page-header { padding: 64px 0 50px; text-align: center; border-bottom: 1px solid var(--rule); }
.page-header .kicker {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.page-header h1 { font-size: 34px; margin-bottom: 14px; }
.page-header p { font-size: 16px; color: var(--meta); max-width: 560px; margin: 0 auto; }

/* Clients strip */
.clients-strip { padding: 0 0 60px; }
.clients-label {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--meta);
  margin-bottom: 18px;
}
.clients-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 44px;
  flex-wrap: wrap;
}
.clients-row span {
  font-size: 17px;
  font-weight: 700;
  color: var(--meta);
  letter-spacing: 0.02em;
}

/* Sections */
section { padding: 70px 0; }
.panel { background: var(--panel); }
h2 { font-size: 28px; margin-bottom: 10px; text-align: center; }
.section-sub {
  text-align: center;
  color: var(--meta);
  max-width: 560px;
  margin: 0 auto 46px;
  font-size: 16px;
}

/* Grid / cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 28px;
}
.card .num {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--meta); font-size: 15px; }
.card .tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--accent);
  font-weight: 700;
}

/* About / long-form text */
.about-text, .prose { max-width: 640px; margin: 0 auto; font-size: 17px; color: var(--ink); }
.about-text { text-align: center; }
.about-text p, .prose p { margin-bottom: 16px; }
.prose h3 { font-size: 16px; margin: 30px 0 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
.stack-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.stack-row span {
  font-size: 13px;
  color: var(--meta);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 20px;
  padding: 6px 14px;
}

/* Contact */
.contact-box { max-width: 480px; margin: 0 auto; text-align: center; }
.contact-box p { color: var(--meta); margin-bottom: 28px; }
.contact-links { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.contact-links a { font-size: 16px; font-weight: 600; }
.contact-links a:hover { color: var(--accent); }

footer {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
  text-align: center;
  font-size: 12px;
  color: var(--meta);
  letter-spacing: 0.02em;
}

@media (max-width: 720px) {
  nav a:not(.btn) { display: none; }
  .hero h1 { font-size: 32px; }
  .page-header h1 { font-size: 26px; }
  .grid { grid-template-columns: 1fr; }
}