:root {
  --bg: #f0f4f8;
  --surface: #ffffff;
  --surface-soft: #e8f0fe;
  --text: #1a2b3c;
  --muted: #5a6b7d;
  --accent: #2563eb;
  --accent-2: #0d9488;
  --border: #cdd8e5;
  --max: 1100px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(160deg, #e8f0fe 0%, #f0f4f8 45%, #f0f4f8 100%);
  color: var(--text);
  line-height: 1.75;
}

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

.container { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 16px;
  flex-wrap: wrap;
}
.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: #0f1f33;
}
.logo span { color: var(--accent); }

nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 0.95rem; }
nav a.active, nav a:hover { color: var(--accent); }

.hero {
  padding: 62px 0 30px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.1vw, 2.8rem);
  line-height: 1.25;
  margin: 0 0 16px;
  color: #0f1f33;
}
.hero p { color: var(--muted); max-width: 780px; }

.disclaimer {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid #b8d0f5;
  border-left: 4px solid var(--accent);
  background: var(--surface-soft);
  border-radius: 10px;
  color: #2d4a6a;
  font-size: 0.92rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  padding: 12px 0 52px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 6px 20px rgba(16, 24, 40, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(16, 24, 40, 0.1);
}
.tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 4px 9px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  margin-bottom: 10px;
}
.card h2 { font-size: 1.06rem; margin: 0 0 8px; line-height: 1.45; }
.card p { color: var(--muted); font-size: 0.92rem; margin: 0 0 12px; }
.read-more { font-size: 0.9rem; color: var(--accent-2); font-weight: 600; }

.article {
  padding: 42px 0 58px;
}
.article h1 { margin-top: 0; color: #0f1f33; }
.article h2 { margin-top: 28px; color: #1a2b3c; }
.article p, .article li { color: #3e495d; }
.article ul { padding-left: 20px; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--muted);
  font-size: 0.9rem;
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.site-footer h4 { color: #0f1f33; margin: 0 0 10px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 6px 0; }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; margin-bottom: 6px; color: #3f4a61; }
.form-row input, .form-row textarea {
  width: 100%;
  max-width: 520px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: #0f1f33;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  line-height: 1.6;
}

@media (max-width: 640px) {
  nav { gap: 12px; }
  .hero { padding-top: 36px; }
}