/* ============================================================
   BLOG STYLES — AI Docet
   Foglio dedicato al blog, importato solo da blog.html e dagli
   articoli singoli. Non tocca lo stile del resto del sito.
============================================================ */

/* ===== BLOG INDEX PAGE ===== */

.blog-hero {
  padding: 5rem 0 3rem;
}
.blog-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: .5rem 0 1.2rem;
  letter-spacing: -.02em;
}
.blog-hero .lead {
  font-size: 1.1rem;
  color: var(--c-ink-soft, #5a6661);
  max-width: 60ch;
  line-height: 1.65;
}

.blog-filters {
  padding: 1rem 0 2.5rem;
  border-bottom: 1px solid var(--c-border, #e3e8e6);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.tag-btn {
  padding: .5rem 1rem;
  border: 1px solid var(--c-border, #e3e8e6);
  background: transparent;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--c-ink, #1a2421);
  cursor: pointer;
  transition: all .15s ease;
  font-family: inherit;
}
.tag-btn:hover {
  border-color: var(--c-accent-d, #0f9e5e);
  color: var(--c-accent-d, #0f9e5e);
}
.tag-btn--active {
  background: var(--c-ink, #1a2421);
  color: #fff;
  border-color: var(--c-ink, #1a2421);
}

.blog-list-section {
  padding: 3rem 0 5rem;
}

/* Empty state quando non ci sono articoli */
.blog-empty {
  text-align: center;
  padding: 4rem 1rem;
  background: var(--c-bg-soft, #f5f8f7);
  border-radius: 16px;
  border: 1.5px dashed var(--c-border, #e3e8e6);
}
.blog-empty svg {
  width: 56px;
  height: 56px;
  color: var(--c-accent-d, #0f9e5e);
  opacity: .5;
  margin-bottom: 1.5rem;
}
.blog-empty h2 {
  font-size: 1.6rem;
  margin: 0 0 .8rem;
}
.blog-empty p {
  color: var(--c-ink-soft, #5a6661);
  max-width: 45ch;
  margin: 0 auto 2rem;
  line-height: 1.6;
}
.blog-empty-ctas {
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Lista articoli */
.blog-list {
  display: grid;
  gap: 1.5rem;
}

.blog-card {
  display: block;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--c-border, #e3e8e6);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: all .2s ease;
}
.blog-card:hover {
  border-color: var(--c-accent-d, #0f9e5e);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 158, 94, 0.08);
}
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: .85rem;
  color: var(--c-ink-mute, #8a958f);
}
.blog-card-tags {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}
.blog-card h3 {
  font-size: 1.45rem;
  line-height: 1.3;
  margin: 0 0 .75rem;
  letter-spacing: -.01em;
}
.blog-card p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-ink-soft, #5a6661);
  margin: 0 0 1.2rem;
}
.blog-card-cta {
  display: inline-block;
  font-weight: 600;
  color: var(--c-accent-d, #0f9e5e);
  font-size: .95rem;
}

.blog-tag {
  display: inline-block;
  padding: .25rem .65rem;
  background: var(--c-bg-soft, #f5f8f7);
  color: var(--c-ink-soft, #5a6661);
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-decoration: none;
}
.blog-tag:hover {
  background: var(--c-accent-d, #0f9e5e);
  color: #fff;
}

/* Hidden card (quando filtrata) */
.blog-card.hidden {
  display: none;
}

/* ===== ARTICOLO SINGOLO ===== */

.breadcrumb {
  padding: 1.2rem 0;
  font-size: .9rem;
  color: var(--c-ink-mute, #8a958f);
  border-bottom: 1px solid var(--c-border, #e3e8e6);
}
.breadcrumb a {
  color: var(--c-ink-soft, #5a6661);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--c-accent-d, #0f9e5e);
}
.bc-sep {
  margin: 0 .5rem;
  opacity: .5;
}
.bc-current {
  color: var(--c-ink, #1a2421);
  font-weight: 500;
}

.blog-article-header {
  padding: 3.5rem 0 2.5rem;
}
.blog-article-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9rem;
  color: var(--c-ink-mute, #8a958f);
  margin-bottom: 1rem;
}
.meta-sep {
  opacity: .5;
}
.blog-article-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 1rem;
}
.blog-article-subtitle {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--c-ink-soft, #5a6661);
  margin: 0 0 1.5rem;
  font-weight: 400;
}
.blog-article-tags {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

/* Corpo articolo - long-form readability */
.blog-article-body {
  padding: 2rem 0 4rem;
}
.blog-article-body p,
.blog-article-body ul,
.blog-article-body ol {
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--c-ink, #1a2421);
  max-width: 65ch;
}
.blog-article-body .blog-lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--c-ink, #1a2421);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.blog-article-body h2 {
  font-size: 1.7rem;
  letter-spacing: -.01em;
  margin: 3rem 0 1rem;
  line-height: 1.25;
}
.blog-article-body h3 {
  font-size: 1.25rem;
  margin: 2rem 0 .75rem;
}
.blog-article-body ul,
.blog-article-body ol {
  padding-left: 1.5rem;
  margin: 1rem 0 1.5rem;
}
.blog-article-body li {
  margin-bottom: .5rem;
}
.blog-article-body strong {
  font-weight: 700;
  color: var(--c-ink, #1a2421);
}
.blog-article-body em {
  font-style: italic;
}
.blog-article-body a {
  color: var(--c-accent-d, #0f9e5e);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.blog-article-body a:hover {
  text-decoration-thickness: 2.5px;
}

.blog-article-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--c-bg-soft, #f5f8f7);
  border-left: 3px solid var(--c-accent-d, #0f9e5e);
  border-radius: 6px;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--c-ink-soft, #5a6661);
}
.blog-article-body blockquote p {
  margin: 0;
}

/* Prompt comparison box */
.prompt-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}
.prompt-bad, .prompt-good {
  padding: 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--c-border, #e3e8e6);
}
.prompt-bad {
  background: rgba(220, 100, 100, 0.04);
  border-color: rgba(220, 100, 100, 0.25);
}
.prompt-good {
  background: rgba(15, 158, 94, 0.04);
  border-color: rgba(15, 158, 94, 0.3);
}
.prompt-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.prompt-bad .prompt-label { color: rgb(180, 60, 60); }
.prompt-good .prompt-label { color: var(--c-accent-d, #0f9e5e); }
.prompt-comparison p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
}
@media (max-width: 720px) {
  .prompt-comparison {
    grid-template-columns: 1fr;
  }
}

.prompt-final {
  padding: 1.5rem;
  background: var(--c-bg-soft, #f5f8f7);
  border-radius: 10px;
  border-left: 4px solid var(--c-accent-d, #0f9e5e);
  margin: 2rem 0;
}
.prompt-final p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
}

.article-divider {
  margin: 3rem auto;
  max-width: 65ch;
  border: none;
  border-top: 1px solid var(--c-border, #e3e8e6);
}

.article-footer-note {
  font-size: 1rem;
  color: var(--c-ink-soft, #5a6661);
  background: var(--c-bg-soft, #f5f8f7);
  padding: 1.25rem;
  border-radius: 10px;
}

/* Author box */
.blog-author-box {
  padding: 3rem 0;
  border-top: 1px solid var(--c-border, #e3e8e6);
  border-bottom: 1px solid var(--c-border, #e3e8e6);
  background: var(--c-bg-soft, #f5f8f7);
}
.author-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.author-avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--c-ink, #1a2421);
  color: var(--c-accent, #14b66a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -.02em;
}
.author-info h3 {
  margin: 0 0 .5rem;
  font-size: 1.25rem;
}
.author-info p {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--c-ink-soft, #5a6661);
  line-height: 1.55;
}
.author-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.author-links a {
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-accent-d, #0f9e5e);
  text-decoration: none;
}
.author-links a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .author-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .author-links {
    justify-content: center;
  }
}

/* Related section */
.blog-related {
  padding: 3rem 0 5rem;
}
.blog-related h3 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
}
.blog-related-empty {
  color: var(--c-ink-soft, #5a6661);
  font-size: 1rem;
  line-height: 1.6;
}
.blog-related-empty a {
  color: var(--c-accent-d, #0f9e5e);
  font-weight: 500;
}