:root {
  --bg: #f7f7fb;
  --text: #1d2330;
  --brand: #0d5bd7;
  --brand-dark: #0a3f94;
  --accent: #00a884;
  --card: #ffffff;
  --muted: #5f6b7a;
  --border: #dde3ee;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

header {
  background: linear-gradient(120deg, #0d5bd7, #0a3f94);
  color: #fff;
  padding: 56px 0 48px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo { font-weight: 800; letter-spacing: 0.2px; }
nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 16px;
  font-weight: 600;
}

.hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 0 0 12px; }
.hero p { max-width: 720px; margin: 0 0 24px; color: #e7efff; }

.btn {
  display: inline-block;
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}
.btn:hover { filter: brightness(0.95); }

section { padding: 44px 0; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.card h3 { margin-top: 0; }
.muted { color: var(--muted); }

.cta-strip {
  background: #e9f1ff;
  border: 1px solid #cfe0ff;
  border-radius: 14px;
  padding: 18px;
}

form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
label { display: block; margin: 10px 0 6px; font-weight: 600; }
input, select {
  width: 100%;
  padding: 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font: inherit;
}
small { color: var(--muted); }

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--muted);
}

.article h1 { margin-top: 0; }
.article p, .article li { max-width: 820px; }
.article ul { padding-left: 20px; }

.notice {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #14532d;
  padding: 10px;
  border-radius: 8px;
  margin-top: 12px;
}

@media (max-width: 700px) {
  nav { flex-direction: column; align-items: flex-start; gap: 8px; }
  nav a { margin: 0 12px 0 0; }
}