:root {
  --navy: #132639;
  --navy-dark: #0c1a29;
  --ink: #22303d;
  --muted: #5a6b7a;
  --accent: #0e7c86;
  --accent-dark: #0a5f66;
  --line: #dde5ea;
  --soft-bg: #f4f8f9;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.65;
  font-size: 17px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 14px;
}

h1 {
  font-size: 2.3rem;
}

h2 {
  font-size: 1.55rem;
  margin-top: 8px;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

li {
  margin-bottom: 7px;
}

/* Header */

.site-header {
  background: var(--navy);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
}

.logo {
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo:hover {
  text-decoration: none;
  color: #bfe6ea;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-left: auto;
}

.main-nav a {
  color: #d7e3ec;
  font-size: 0.95rem;
  font-weight: 500;
}

.main-nav a:hover {
  color: #ffffff;
  text-decoration: none;
}

/* Hero */

.hero {
  background: var(--soft-bg);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 48px;
}

.hero h1 {
  max-width: 720px;
}

.hero .lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 680px;
}

.hero .cta-row {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 6px;
}

.btn:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

.btn-secondary {
  background: #ffffff;
  color: var(--navy);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: var(--soft-bg);
}

/* Sections and cards */

.section {
  padding: 46px 0 10px;
}

.section-intro {
  color: var(--muted);
  max-width: 720px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 22px 0 30px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  font-size: 0.97rem;
  margin-bottom: 12px;
}

.card .card-link {
  font-weight: 600;
  font-size: 0.95rem;
}

.card .tag {
  display: inline-block;
  background: var(--soft-bg);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.method-box {
  background: var(--soft-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px;
  margin: 22px 0 34px;
}

.method-box ul {
  margin-bottom: 0;
}

/* Article pages */

.page-head {
  padding: 44px 0 6px;
}

.page-head .kicker {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.content {
  max-width: 760px;
  padding-bottom: 20px;
}

.coming-box {
  border: 1px dashed var(--accent);
  border-radius: 10px;
  padding: 22px;
  margin: 24px 0 34px;
  background: #fbfdfd;
}

.coming-box h3 {
  margin-bottom: 6px;
}

.coming-box p {
  margin-bottom: 0;
  color: var(--muted);
}

/* Footer */

.site-footer {
  background: var(--navy-dark);
  color: #c3d2de;
  margin-top: 46px;
  padding: 34px 0 30px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  align-items: flex-start;
}

.footer-brand {
  font-weight: 700;
  color: #ffffff;
  font-size: 1.1rem;
}

.footer-note {
  font-size: 0.9rem;
  max-width: 420px;
  margin-top: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-left: auto;
}

.footer-links a {
  color: #c3d2de;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #22384e;
  margin-top: 24px;
  padding-top: 16px;
  font-size: 0.85rem;
  color: #8fa5b5;
}

/* Responsive */

@media (max-width: 860px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .main-nav {
    margin-left: 0;
  }

  .footer-links {
    margin-left: 0;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 40px 0 34px;
  }
}