/* Vailto Blog — shared stylesheet
   Usato da public/blog/index.html (hub) e public/blog/[slug]/index.html (post).
   Design: typography-first, mobile-first, max-width 720px reading column.
   Palette allineata a app + email: navy #1a2440, orange #ff8a3d, white. */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: #1f2233;
  background: #fafafb;
}

a {
  color: #ff7a00;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,122,0,0.25);
  transition: border-color .15s ease;
}
a:hover { border-bottom-color: #ff7a00; }

/* ─── Top nav (replicates app brand) ─── */
.blog-nav {
  background: #1a2440;
  padding: 18px 24px;
}
.blog-nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.blog-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  border-bottom: none;
}
.blog-nav__brand svg {
  display: inline-block;
  vertical-align: -3px;
}
.blog-nav__links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
.blog-nav__links a {
  color: #c9ccdc;
  border: none;
}
.blog-nav__links a:hover { color: #fff; }

/* ─── Article container ─── */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.blog-article__meta {
  font-size: 13px;
  color: #6b7081;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-article h1 {
  font-size: 38px;
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1a2440;
  margin: 0 0 16px 0;
}

.blog-article__dek {
  font-size: 21px;
  line-height: 1.5;
  color: #4a4f6a;
  margin: 0 0 36px 0;
  font-weight: 400;
}

.blog-article h2 {
  font-size: 26px;
  font-weight: 700;
  color: #1a2440;
  letter-spacing: -0.01em;
  margin: 48px 0 16px 0;
  line-height: 1.3;
}

.blog-article h3 {
  font-size: 19px;
  font-weight: 600;
  color: #1a2440;
  margin: 32px 0 12px 0;
}

.blog-article p {
  margin: 0 0 18px 0;
}

.blog-article ul, .blog-article ol {
  margin: 0 0 18px 0;
  padding-left: 28px;
}
.blog-article li { margin-bottom: 8px; }

.blog-article blockquote {
  border-left: 3px solid #ff8a3d;
  padding: 6px 0 6px 18px;
  margin: 24px 0;
  font-style: italic;
  color: #4a4f6a;
}

.blog-article code {
  background: #f0f1f5;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

.blog-article hr {
  border: none;
  border-top: 1px solid #e6e8f0;
  margin: 48px 0;
}

.blog-article__cta {
  margin: 48px 0 0;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid #e6e8f0;
  border-radius: 12px;
}
.blog-article__cta p {
  margin: 0 0 12px 0;
  font-size: 15px;
  color: #4a4f6a;
}
.blog-article__cta-button {
  display: inline-block;
  background: #1a2440;
  color: #fff;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
}
.blog-article__cta-button:hover { background: #232c50; color: #fff; }

.blog-article__sources {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #e6e8f0;
  font-size: 14px;
  color: #6b7081;
}
.blog-article__sources h2 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7081;
  margin: 0 0 12px 0;
  font-weight: 600;
}
.blog-article__sources ul {
  list-style: none;
  padding: 0;
}
.blog-article__sources li { margin-bottom: 6px; }

/* ─── Hub (index) page ─── */
.blog-hub {
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}
.blog-hub__title {
  font-size: 40px;
  font-weight: 700;
  color: #1a2440;
  letter-spacing: -0.02em;
  margin: 0 0 8px 0;
}
.blog-hub__subtitle {
  font-size: 18px;
  color: #4a4f6a;
  margin: 0 0 48px 0;
}
.blog-hub__list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.blog-hub__item {
  padding: 24px 0;
  border-bottom: 1px solid #e6e8f0;
}
.blog-hub__item:last-child { border-bottom: none; }
.blog-hub__item-meta {
  font-size: 13px;
  color: #6b7081;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.blog-hub__item-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a2440;
  margin: 0 0 8px 0;
  line-height: 1.3;
}
.blog-hub__item-title a {
  color: inherit;
  border: none;
}
.blog-hub__item-title a:hover { color: #ff7a00; }
.blog-hub__item-dek {
  font-size: 16px;
  color: #4a4f6a;
  margin: 0;
}

/* ─── Footer ─── */
.blog-footer {
  background: #1a2440;
  color: #c9ccdc;
  padding: 36px 24px;
  text-align: center;
  font-size: 13px;
}
.blog-footer a { color: #fff; border: none; }
.blog-footer p { margin: 4px 0; }

/* ─── Responsive ─── */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .blog-article h1 { font-size: 30px; }
  .blog-article__dek { font-size: 18px; }
  .blog-article h2 { font-size: 22px; }
  .blog-hub__title { font-size: 30px; }
  .blog-hub__item-title { font-size: 20px; }
}