/* My Easy AI Guides — clean blue/white theme */
:root {
  --blue: #1a56db;
  --blue-dark: #123f9e;
  --blue-soft: #eaf1fd;
  --ink: #1f2937;
  --muted: #5b6472;
  --line: #e3e9f2;
  --soft: #f5f9ff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.7;
  font-size: 17px;
}

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

.container { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* Header */
header {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--blue);
}
.logo span { color: var(--ink); }
nav.links a {
  color: var(--muted);
  margin-left: 24px;
  font-size: 15px;
}
nav.links a:hover { color: var(--blue); }

/* Hero */
.hero {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
  text-align: center;
}
.hero h1 {
  font-size: 34px;
  line-height: 1.25;
  color: var(--blue-dark);
  max-width: 700px;
  margin: 0 auto 12px;
}
.hero p { color: var(--muted); font-size: 18px; }

/* Article cards */
.section-title {
  font-size: 22px;
  margin: 40px 0 20px;
}
.card {
  display: flex;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  transition: border-color .15s;
}
.card:hover { border-color: var(--blue); }
.card img {
  width: 220px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.card h3 { font-size: 19px; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 15px; }
.card .meta {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--blue);
  background: var(--blue-soft);
  padding: 2px 10px;
  border-radius: 20px;
}

/* Article page */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}
.article h1 {
  font-size: 32px;
  line-height: 1.3;
  margin: 10px 0 8px;
  color: var(--ink);
}
.article .lede { color: var(--muted); font-size: 19px; margin-bottom: 8px; }
.article .post-meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.article h2 {
  font-size: 24px;
  margin: 44px 0 14px;
  color: var(--blue-dark);
}
.article h3 { font-size: 19px; margin: 28px 0 10px; }
.article p { margin-bottom: 16px; }
.article ul, .article ol { margin: 0 0 16px 24px; }
.article li { margin-bottom: 8px; }

.article figure { margin: 24px 0 32px; }
.article figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.article figcaption {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}

.tip {
  background: var(--blue-soft);
  border-left: 4px solid var(--blue);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 24px 0;
  font-size: 15px;
}
.tip strong { color: var(--blue-dark); }

.faq dt { font-weight: 700; margin-top: 20px; }
.faq dd { color: var(--muted); margin: 6px 0 0 0; }

/* Simple pages */
.page { max-width: 720px; margin: 0 auto; padding: 48px 20px 64px; }
.page h1 { font-size: 30px; margin-bottom: 20px; }
.page p { margin-bottom: 16px; color: var(--ink); }
.page ul { margin: 0 0 16px 24px; }

/* Footer */
footer {
  border-top: 1px solid var(--line);
  background: var(--soft);
  padding: 28px 0;
  margin-top: 40px;
}
footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); margin-left: 18px; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 26px; }
  .card { flex-direction: column; }
  .card img { width: 100%; height: auto; }
  nav.links a { margin-left: 14px; font-size: 14px; }
}