:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --text: #1c2333;
  --muted: #5a6478;
  --brand: #2f5bea;
  --brand-dark: #1e3fb0;
  --border: #e2e6ee;
  --radius: 10px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--brand); }
.logo:hover { text-decoration: none; color: var(--text); }

.nav { display: flex; gap: 24px; }
.nav a {
  color: var(--muted);
  font-weight: 500;
}
.nav a:hover, .nav a.active {
  color: var(--text);
  text-decoration: none;
}
.nav a.active { border-bottom: 2px solid var(--brand); padding-bottom: 4px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #1e3fb0 0%, #2f5bea 55%, #5b8cff 100%);
  color: #fff;
  padding: 96px 0 104px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  max-width: 760px;
}
.hero p {
  font-size: 1.2rem;
  max-width: 640px;
  margin: 0 0 32px;
  opacity: 0.92;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  background: #fff;
  color: var(--brand-dark);
}
.btn:hover { text-decoration: none; background: #eef2ff; color: var(--brand-dark); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: 2rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.section .lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 0 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #eef2ff;
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.steps { counter-reset: step; }
.steps .card h3::before {
  counter-increment: step;
  content: counter(step) ". ";
  color: var(--brand);
}

.cta {
  text-align: center;
}
.cta p { margin: 0 auto 28px; }

/* Contact */
.page-header {
  background: var(--bg-alt);
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { margin: 0 0 8px; font-size: 2.4rem; letter-spacing: -0.02em; }
.page-header p { margin: 0; color: var(--muted); font-size: 1.1rem; }

.contact-card {
  max-width: 560px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 8px 30px rgba(28, 35, 51, 0.06);
}
.contact-card h2 { margin: 0; font-size: 1.5rem; }
.contact-card .title { color: var(--brand); font-weight: 600; margin: 4px 0 24px; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.contact-list .label {
  width: 70px;
  color: var(--muted);
  font-weight: 500;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 600px) {
  .hero { padding: 64px 0 72px; }
  .section { padding: 56px 0; }
  .nav { gap: 16px; }
  .contact-card { padding: 24px; }
}