:root {
  --color-primary: #1f4f7a;
  --color-primary-dark: #163a5a;
  --color-accent: #d4a017;
  --color-text: #2b2b2b;
  --color-muted: #6c6c6c;
  --color-border: #e5e5e5;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --max-width: 1180px;
  --radius: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img { max-width: 100%; height: auto; display: block; }

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

h1, h2, h3, h4 {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.25;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
h1 { font-size: 2.1rem; }
h2 { font-size: 1.55rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

ul, ol { padding-left: 1.4em; margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-family: 'Merriweather', Georgia, serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-primary-dark);
}
.brand span { color: var(--color-accent); }
.nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--color-primary); }
.nav a.active { color: var(--color-primary); }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1.1rem;
}

.hero {
  background: linear-gradient(135deg, #1f4f7a 0%, #2c6a9e 100%);
  color: #fff;
  padding: 72px 0 80px;
}
.hero h1 { color: #fff; margin-top: 0; font-size: 2.6rem; }
.hero p { font-size: 1.15rem; max-width: 720px; }
.hero .checks {
  list-style: none;
  padding: 0;
  margin: 18px 0 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 8px 20px;
}
.hero .checks li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 8px;
}
.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #1c1c1c;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-weight: 700;
  letter-spacing: 0.2px;
}
.btn:hover { background: #c08f12; color: #1c1c1c; text-decoration: none; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}
.btn-outline:hover { background: #fff; color: var(--color-primary-dark); }

.section { padding: 56px 0; }
.section.alt { background: var(--color-bg-alt); }

.layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 18px 0 6px;
}
.breadcrumbs a { color: var(--color-muted); }

.lead { font-size: 1.1rem; color: #444; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 30px 0;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.card img { width: 100%; height: 180px; object-fit: cover; }
.card .card-body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.card h3 { margin-top: 0; }
.card p { color: #444; }
.card .more { margin-top: auto; font-weight: 600; }

.featured-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 8px 0 24px;
}

.sidebar {
  font-size: 0.95rem;
}
.sidebar h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-top: 0;
}
.sidebar ul { list-style: none; padding: 0; margin: 0 0 28px; }
.sidebar li { padding: 7px 0; border-bottom: 1px solid var(--color-border); }
.sidebar li:last-child { border-bottom: none; }
.sidebar a { color: var(--color-text); }
.sidebar a:hover { color: var(--color-primary); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
}
th, td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
th { background: var(--color-bg-alt); font-weight: 700; }

blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 6px 18px;
  color: #444;
  background: var(--color-bg-alt);
  margin: 18px 0;
}

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 24px 0;
}
.pros, .cons {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
}
.pros h3 { color: #2a7a3f; margin-top: 0; }
.cons h3 { color: #a83232; margin-top: 0; }
.pros ul, .cons ul { padding-left: 1.2em; }

.cta-block {
  background: var(--color-primary-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}
.cta-block h2 { color: #fff; margin-top: 0; }
.cta-block p { color: #cbd9e4; max-width: 620px; margin: 0 auto 20px; }

.site-footer {
  background: #14283b;
  color: #c2cfde;
  padding: 50px 0 24px;
  margin-top: 60px;
}
.site-footer a { color: #fff; }
.site-footer .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-bottom: 30px;
}
.site-footer h4 {
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  margin: 0 0 12px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 4px 0; }
.copyright {
  border-top: 1px solid #2a3e54;
  padding-top: 18px;
  font-size: 0.85rem;
  color: #8da3ba;
  text-align: center;
}

.post-meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.8rem;
  color: var(--color-muted);
}

@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  .hero { padding: 50px 0; }
  .hero h1 { font-size: 2rem; }
  .nav { display: none; }
  .nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--color-border); }
  .nav.open ul { flex-direction: column; padding: 14px 24px; gap: 8px; }
  .menu-toggle { display: inline-block; }
}