:root {
  --tma-blue: #05367B;
  --tma-light-blue: #305CDE;
  --dark: #0f172a;
  --gray: #475569;
  --light-gray: #f8fafc;
}

/* Reset and base */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dark);
  background: #ffffff;
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================
   HEADER
========================= */

.site-header {
  background: var(--tma-blue);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: auto;
  max-height: 34px;
  max-width: 180px;
  display: block;
}

.main-nav a {
  color: #ffffff;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
  font-size: 15px;
}

.nav-login {
  background: var(--tma-light-blue);
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
}

/* =========================
   HERO
========================= */

.article-hero {
  background: linear-gradient(135deg, var(--tma-blue), var(--tma-light-blue));
  color: #ffffff;
  padding: 48px 0 52px;
}

.article-eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
  opacity: 0.85;
}

.article-hero h1 {
  font-size: 40px;
  margin: 10px 0 12px;
  line-height: 1.15;
}

.article-subtitle {
  max-width: 680px;
  font-size: 17px;
  opacity: 0.95;
}

/* =========================
   ARTICLE CONTENT
========================= */

.article-content {
  padding: 56px 0;
}

.article-content h2 {
  margin-top: 48px;
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.3;
}

.article-content p {
  color: var(--gray);
  font-size: 17px;
}

.lead {
  font-size: 19px;
  color: var(--dark);
  margin-bottom: 24px;
}

ul {
  margin-top: 16px;
  padding-left: 20px;
}

ul li {
  margin-bottom: 10px;
  color: var(--gray);
}

/* =========================
   BLOCKQUOTE
========================= */

blockquote {
  border-left: 4px solid var(--tma-light-blue);
  padding-left: 20px;
  margin: 36px 0;
  font-style: italic;
  color: var(--dark);
}

/* =========================
   CTA
========================= */

.article-cta {
  margin-top: 64px;
  background: var(--light-gray);
  padding: 40px 44px;
  border-radius: 14px;
}

.article-cta h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 24px;
}

.article-cta p {
  margin-top: 0;
  color: var(--gray);
}

.cta-button {
  display: inline-block;
  margin-top: 16px;
  background: var(--tma-blue);
  color: #ffffff;
  padding: 14px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  background: #020617;
  color: #ffffff;
  padding: 56px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.site-footer h4,
.site-footer h5 {
  margin-top: 0;
  margin-bottom: 12px;
}

.site-footer p {
  margin: 0;
  color: #cbd5f5;
  font-size: 14px;
}

.site-footer a {
  display: block;
  color: #cbd5f5;
  text-decoration: none;
  margin-top: 8px;
  font-size: 14px;
}

.footer-cta {
  margin-top: 14px;
  font-weight: 600;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

  .main-nav {
    display: none;
  }

  .article-hero h1 {
    font-size: 34px;
  }

  .article-content {
    padding: 48px 0;
  }

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

@media (max-width: 600px) {

  .article-hero {
    padding: 40px 0 44px;
  }

  .article-hero h1 {
    font-size: 30px;
  }

  .article-subtitle {
    font-size: 16px;
  }

  .article-cta {
    padding: 32px;
  }

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