:root {
  --primary: #1e3a8a;
  --secondary: #facc15;
  --light: #bcd8e0;
  --dark: #020617;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, sans-serif;
}

body {
  background: var(--light);
  color: var(--dark);
}

/* ================= NAVBAR ================= */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5vw;
  background: var(--primary);
  color: white;
  position: relative;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: white;
}

.menu-toggle {
  display: none;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Mobile Nav */
@media (max-width: 48rem) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
    display: none;
    z-index: 100;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}

/* ================= ARTICLES ================= */
.articles-page {
  padding: 4rem 6vw;
}

.articles-header {
  text-align: center;
  margin-bottom: 3rem;
}

.articles-header h1 {
  font-size: 2.4rem;
  color: var(--primary);
}

.articles-header p {
  max-width: 55ch;
  margin: 0.8rem auto 0;
  line-height: 1.6;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2rem;
}

.article-card {
  background: white;
  padding: 2.2rem;
  text-decoration: none;
  color: var(--dark);
  border-radius: 0.6rem;
  box-shadow: 0 0.8rem 1.6rem rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card h2 {
  font-size: 1.25rem;
  line-height: 1.4;
}

.article-card:hover {
  transform: translateY(-0.4rem);
  box-shadow: 0 1.2rem 2.2rem rgba(0, 0, 0, 0.12);
}

/* ================= FOOTER ================= */
.site-footer {
  background: var(--primary);
  color: var(--light);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 3rem;
  padding: 4rem 6vw;
}

.footer-brand h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  max-width: 35ch;
  line-height: 1.6;
  color: #e5e7eb;
}

.footer-links h4 {
  margin-bottom: 1.2rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  text-decoration: none;
  color: #e5e7eb;
}

.footer-links a:hover {
  color: var(--secondary);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 6vw;
  border-top: 0.08rem solid rgba(255, 255, 255, 0.2);
}