:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1c2433;
  --muted: #5b6577;
  --accent: #1f8a4c;
  --accent-dark: #156b3a;
  --accent-soft: #e6f5ec;
  --border: #e3e8ef;
  --shadow: 0 6px 24px rgba(28, 36, 51, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

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

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -0.3px; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-soft) 100%);
  padding: 64px 0 56px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: 42px; line-height: 1.15; letter-spacing: -0.8px; margin-bottom: 18px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 720px; margin: 0 auto; }
.badge {
  display: inline-block; background: var(--accent-soft); color: var(--accent-dark);
  font-weight: 700; font-size: 13px; padding: 6px 14px; border-radius: 999px;
  margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* Sections */
section { padding: 52px 0; }
section h2 { font-size: 30px; letter-spacing: -0.5px; margin-bottom: 12px; }
section h3 { font-size: 21px; margin: 26px 0 10px; }
section p { color: var(--muted); margin-bottom: 14px; }
.section-intro { color: var(--muted); font-size: 17px; max-width: 760px; margin-bottom: 28px; }

/* Offer cards */
.offers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.offer-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px; display: flex; flex-direction: column;
}
.offer-card .rank {
  font-size: 13px; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px;
}
.offer-card h3 { font-size: 24px; margin: 0 0 8px; }
.offer-bonus { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.offer-meta { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.offer-meta li { list-style: none; padding: 3px 0; }
.offer-meta b { color: var(--text); }
.offer-actions { margin-top: auto; display: flex; gap: 12px; align-items: center; }

/* Buttons */
.btn {
  display: inline-block; background: var(--accent); color: #fff;
  font-weight: 700; font-size: 16px; padding: 13px 26px; border-radius: 10px;
  text-align: center; transition: background 0.15s ease, transform 0.05s ease;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-block { display: block; width: 100%; }
.btn-lg { font-size: 18px; padding: 16px 34px; }
.btn-link { color: var(--muted); font-weight: 600; font-size: 15px; }

/* Comparison table */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
table.offers-table {
  width: 100%; border-collapse: collapse; background: var(--surface);
  min-width: 640px;
}
.offers-table th, .offers-table td {
  padding: 16px; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.offers-table th { background: var(--accent-soft); color: var(--accent-dark); font-weight: 700; }
.offers-table tr:last-child td { border-bottom: none; }
.offers-table .brand { font-weight: 700; font-size: 16px; color: var(--text); }
.offers-table .bonus { font-weight: 700; color: var(--accent-dark); }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 10px; }
.steps li {
  list-style: none; position: relative; padding: 16px 18px 16px 60px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
}
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; background: var(--accent); color: #fff;
  border-radius: 50%; display: grid; place-items: center; font-weight: 700;
}

/* Pros/cons */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 12px; }
.proscons .box { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.proscons h4 { font-size: 17px; margin-bottom: 10px; }
.proscons ul { padding-left: 20px; }
.proscons li { color: var(--muted); padding: 3px 0; }
.pros h4 { color: var(--accent-dark); }
.cons h4 { color: #b4452f; }

/* FAQ */
.faq details {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 4px 20px; margin-bottom: 12px;
}
.faq summary { font-weight: 700; font-size: 17px; padding: 16px 0; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-size: 22px; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding-bottom: 16px; margin: 0; }

/* Info box */
.info-box {
  background: var(--accent-soft); border: 1px solid #c8e6d3;
  border-radius: var(--radius); padding: 24px; margin: 24px 0;
}
.info-box p { color: var(--accent-dark); margin: 0; }

/* Footer */
.site-footer {
  background: #11161f; color: #aeb6c2; padding: 40px 0; font-size: 14px;
  margin-top: 40px;
}
.site-footer a { color: #cdd5e0; }
.site-footer .foot-links { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.site-footer .disclaimer { line-height: 1.7; }
.age { display: inline-block; background: #b4452f; color: #fff; font-weight: 800; padding: 2px 9px; border-radius: 6px; margin-right: 8px; }

/* Breadcrumb */
.breadcrumb { font-size: 14px; color: var(--muted); padding: 18px 0 0; }
.breadcrumb a { color: var(--muted); }

@media (max-width: 760px) {
  .hero h1 { font-size: 32px; }
  .hero { padding: 48px 0 40px; }
  .offers, .proscons { grid-template-columns: 1fr; }
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  section h2 { font-size: 25px; }
}