/* ======== BASIC RESET ======== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: Arial, Helvetica, sans-serif;
  color: #e8e8e8;
  background: #0f1520; /* dark navy */
  scroll-behavior: smooth;
}

body {
  line-height: 1.6;
}

/* ======== GLOBAL CONTAINER ======== */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 0;
}

/* ======== HEADER ======== */
header {
  background: #0a0f18;
  border-bottom: 1px solid #1f2633;
  padding: 1.5rem 0;
}

header h1 {
  font-size: 1.9rem;
  margin-bottom: 0.3rem;
  color: #8bc5ff; /* soft blue highlight */
}

.tagline {
  color: #c9c9c9;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* ======== NAVIGATION ======== */
nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

nav a {
  color: #d8e2ef;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

nav a:hover {
  border-bottom: 2px solid #8bc5ff;
}

nav li {
  color: #8bc5ff;
  font-weight: bold;
}

/* ======== MAIN CONTENT ======== */
main h1 {
  margin-bottom: 1rem;
  font-size: 2rem;
  color: #ffffff;
}

main p {
  margin-bottom: 1.5rem;
  color: #d0d0d0;
  font-size: 1.05rem;
}

/* ======== CARD GRID ======== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

/* ======== ARTICLE CARDS ======== */
.article-card {
  display: block;
  background: #151b27; /* deep navy grey */
  padding: 1.3rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid #1f2633;
  transition: all 0.15s ease;
}

.article-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.article-card p {
  color: #c6c6c6;
  font-size: 0.95rem;
  line-height: 1.4;
}

.article-card:hover {
  background: #1b2333;
  border-color: #8bc5ff;
  transform: translateY(-3px);
}

/* ======== ARTICLE PAGE CONTENT ======== */
article h2 {
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  font-size: 1.4rem;
  color: #ffffff;
}

article h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.4rem;
  font-size: 1.15rem;
  color: #dce6f6;
}

article p,
article li {
  color: #cfd3da;
  margin-bottom: 1rem;
}

article ul {
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

/* ======== FOOTER ======== */
footer {
  background: #0a0f18;
  border-top: 1px solid #1f2633;
  padding: 1.5rem 0;
  margin-top: 3rem;
}

footer p {
  color: #aeb9c9;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

/* ======== LINKS INSIDE ARTICLES ======== */
article a {
  color: #8bc5ff;
  text-decoration: underline;
}

article a:hover {
  color: #b2daff;
}