:root {
  --bg: #fafafa;
  --ink: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;
  --brand: #ff7a18;
  --dark: #020617;
}

* { box-sizing: border-box; }

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

/* NAV */
.nav {
  background: var(--dark);
  color: white;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}
.nav-links {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.logo img {
  width: 28px;
  height: 28px;
}

/* LAYOUT */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 { font-size: 2.2rem; line-height: 1.2; }
h2 { margin-top: 2.5rem; }
p { margin: 1rem 0; }

/* ARTICLE */
.hero {
  margin: 2rem 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.hero img {
  width: 100%;
  display: block;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
}

/* ADS */
.ad-slot {
  margin: 2rem 0;
  display: flex;
  justify-content: center;
}

.ad-label {
  font-size: 0.75rem;
  color: #64748b;
  text-align: right;
  margin-bottom: 4px;
}

.ad-slot iframe {
  max-width: 100%;
}

@media (max-width: 820px) {
  .ad-slot iframe {
    display: none;
  }
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}