:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1c2733;
  --muted: #5b6776;
  --brand: #0a74bd;
  --brand-dark: #085a93;
  --accent: #3a5bb0;
  --border: #e3e8ef;
  --shadow: 0 8px 30px rgba(20, 40, 70, .08);
  --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141b;
    --surface: #161f29;
    --text: #e8eef5;
    --muted: #9aa8b8;
    --brand: #4aa8e8;
    --brand-dark: #2f8fd0;
    --accent: #7d9bf0;
    --border: #243040;
    --shadow: 0 8px 30px rgba(0, 0, 0, .35);
  }
  .logo-image { background: #fff; border-radius: 14px; padding: 8px; }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 20px 0; flex-wrap: wrap;
}
.logo-image { height: 100px; width: auto; display: block; }
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 999px;
  background: var(--brand); color: #fff; font-weight: 600; text-decoration: none;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--brand-dark); transform: translateY(-1px); }

/* Hero */
.hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
  align-items: center; padding: 48px 0 64px;
}
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: var(--brand); }
.hero p { color: var(--muted); font-size: 1.1rem; margin-bottom: 14px; max-width: 34em; }
.hero .highlight { color: var(--brand); font-style: italic; font-weight: 600; }
.hero-image { text-align: center; }
.hero-image img { max-width: 100%; height: auto; max-height: 360px; }

/* Steps */
.section-title { text-align: center; margin-bottom: 36px; }
.section-title h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.section-title p { color: var(--muted); }
.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px; list-style: none; counter-reset: step; padding-bottom: 64px;
}
.step {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 22px; box-shadow: var(--shadow);
  counter-increment: step; position: relative;
}
.step::before {
  content: counter(step); position: absolute; top: 16px; right: 18px;
  font-size: 2rem; font-weight: 700; color: var(--border);
}
.step svg { width: 48px; height: 48px; color: var(--brand); margin-bottom: 14px; }
.step h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--brand); }
.step p { color: var(--muted); font-size: .97rem; }

/* Contact */
.contact {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 40px 20px; text-align: center; margin-bottom: 64px;
}
.contact h2 { margin-bottom: 12px; }
.contact a { color: var(--brand); font-weight: 600; text-decoration: none; }
.contact a:hover { text-decoration: underline; }

/* Footer */
.site-footer { text-align: center; padding: 28px 20px; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--border); }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 24px; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-image { order: -1; }
  .hero-image img { max-height: 240px; }
  .site-header { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .btn:hover { transition: none; transform: none; }
}