:root {
  --ff-blue: #2563eb;
  --ff-blue-hover: #1d4ed8;
  --ff-dark: #0f172a;
  --ff-text: #334155;
  --ff-muted: #64748b;
  --ff-soft: #f8fafc;
  --ff-border: #e2e8f0;
  --ff-blue-soft: #eff6ff;
  --ff-blue-border: #bfdbfe;
  --ff-green-soft: #ecfdf5;
  --ff-green: #16a34a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.blog-page {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
  color: var(--ff-text);
  line-height: 1.7;
}

.blog-container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.blog-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ff-border);
}

.blog-nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.blog-logo {
  color: var(--ff-dark);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.blog-logo span {
  color: var(--ff-blue);
}

.blog-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.blog-menu a {
  color: var(--ff-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.blog-menu a:hover {
  color: var(--ff-blue);
}

.blog-nav-cta {
  background: var(--ff-blue);
  color: #ffffff !important;
  padding: 10px 16px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.blog-nav-cta:hover {
  background: var(--ff-blue-hover);
  color: #ffffff !important;
}

.blog-hero {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  padding: 92px 0 72px;
  text-align: center;
}

.blog-kicker {
  margin: 0 0 14px;
  color: var(--ff-blue);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.blog-hero h1 {
  max-width: 880px;
  margin: 0 auto 18px;
  color: var(--ff-dark);
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.blog-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ff-muted);
  font-size: 1.1rem;
}

.blog-list-section {
  padding: 72px 0;
}

.blog-section-heading {
  margin-bottom: 34px;
}

.blog-section-heading h2 {
  margin: 0 0 10px;
  color: var(--ff-dark);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 900;
}

.blog-section-heading p {
  margin: 0;
  color: var(--ff-muted);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.blog-card {
  background: #ffffff;
  border: 1px solid var(--ff-border);
  border-radius: 26px;
  padding: 30px;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--ff-blue-border);
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.10);
}

.blog-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--ff-blue-soft);
  color: var(--ff-blue);
  font-weight: 900;
  font-size: 0.78rem;
  margin-bottom: 18px;
}

.blog-card h3 {
  margin: 0 0 14px;
  font-size: 1.35rem;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

.blog-card h3 a {
  color: var(--ff-dark);
  text-decoration: none;
}

.blog-card h3 a:hover {
  color: var(--ff-blue);
}

.blog-card p {
  margin: 0 0 24px;
  color: var(--ff-muted);
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--ff-border);
  padding-top: 18px;
}

.blog-card-footer span {
  color: var(--ff-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.blog-card-footer a {
  color: var(--ff-blue);
  text-decoration: none;
  font-weight: 900;
}

.blog-bottom-cta {
  padding: 48px 0 86px;
}

.blog-cta-box {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(135deg, var(--ff-blue), #1e40af);
  color: #ffffff;
  border-radius: 32px;
  padding: 54px;
  text-align: center;
  box-shadow: 0 26px 70px rgba(37, 99, 235, 0.22);
}

.blog-cta-box h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 900;
}

.blog-cta-box p {
  max-width: 720px;
  margin: 0 auto 26px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
}

.blog-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ff-blue);
  color: #ffffff;
  text-decoration: none;
  border: 0;
  border-radius: 14px;
  padding: 14px 24px;
  font-weight: 900;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.24);
  transition: transform 0.2s ease, background 0.2s ease;
}

.blog-btn-primary:hover {
  background: var(--ff-blue-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

.blog-cta-box .blog-btn-primary {
  background: #ffffff;
  color: var(--ff-blue);
}

.blog-cta-box .blog-btn-primary:hover {
  background: #eff6ff;
  color: var(--ff-blue-hover);
}

.blog-footer {
  border-top: 1px solid var(--ff-border);
  padding: 26px 0;
  background: #ffffff;
}

.blog-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.blog-footer p {
  margin: 0;
  color: var(--ff-muted);
  font-size: 0.92rem;
}

.blog-footer div div {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.blog-footer a {
  color: var(--ff-muted);
  text-decoration: none;
  font-weight: 700;
}

.blog-footer a:hover {
  color: var(--ff-blue);
}

/* =========================================================
   ARTICLE
   ========================================================= */

.article-wrapper {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 58px 0 90px;
}

.article-header {
  padding-bottom: 38px;
  border-bottom: 1px solid var(--ff-border);
  margin-bottom: 38px;
}

.article-back {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--ff-blue);
  text-decoration: none;
  font-weight: 900;
}

.article-header h1 {
  margin: 0 0 18px;
  color: var(--ff-dark);
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.article-summary {
  max-width: 780px;
  margin: 0 0 22px;
  color: var(--ff-muted);
  font-size: 1.12rem;
  line-height: 1.75;
}

.article-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  background: var(--ff-soft);
  border: 1px solid var(--ff-border);
  color: var(--ff-muted);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 800;
}

.article-content {
  color: var(--ff-text);
}

.article-content h2 {
  margin: 48px 0 16px;
  color: var(--ff-dark);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -0.04em;
  font-weight: 900;
}

.article-content h3 {
  margin: 30px 0 10px;
  color: var(--ff-dark);
  font-size: 1.25rem;
  line-height: 1.25;
  font-weight: 900;
}

.article-content h4 {
  margin: 0 0 12px;
  color: var(--ff-dark);
  font-size: 1rem;
  font-weight: 900;
}

.article-content p {
  margin: 0 0 20px;
  font-size: 1.03rem;
}

.article-content strong {
  color: var(--ff-dark);
  font-weight: 900;
}

.article-content ul,
.article-content ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content pre {
  margin: 18px 0 26px;
  padding: 18px 20px;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 18px;
  overflow-x: auto;
  font-size: 0.94rem;
  line-height: 1.7;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.article-callout {
  margin: 30px 0;
  padding: 24px;
  border-radius: 22px;
  background: var(--ff-blue-soft);
  border: 1px solid var(--ff-blue-border);
  color: #1e3a8a;
}

.article-checklist {
  list-style: none;
  padding-left: 0 !important;
}

.article-checklist li {
  position: relative;
  padding-left: 32px;
}

.article-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  background: var(--ff-green-soft);
  color: var(--ff-green);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.8rem;
}

.article-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 20px 0 28px;
}

.article-example-grid > div {
  border: 1px solid var(--ff-border);
  border-radius: 22px;
  padding: 22px;
  background: #ffffff;
}

.article-formula {
  margin: 28px 0;
  padding: 26px;
  text-align: center;
  background: #ffffff;
  border: 2px dashed var(--ff-blue-border);
  color: var(--ff-blue);
  border-radius: 24px;
  font-size: 1.3rem;
  font-weight: 900;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.faq-list details {
  background: #ffffff;
  border: 1px solid var(--ff-border);
  border-radius: 18px;
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ff-dark);
  font-weight: 900;
}

.faq-list p {
  margin: 14px 0 0;
  color: var(--ff-muted);
}

.article-cta {
  margin-top: 56px;
  padding: 38px;
  border-radius: 30px;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.18), transparent 30%),
    var(--ff-blue-soft);
  border: 1px solid var(--ff-blue-border);
  text-align: center;
}

.article-cta h2 {
  margin-top: 0;
}

.article-cta p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  color: var(--ff-muted);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .article-example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .blog-nav {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-menu {
    width: 100%;
    gap: 12px;
    flex-wrap: wrap;
  }

  .blog-hero {
    padding: 64px 0 52px;
  }

  .blog-card {
    padding: 24px;
    border-radius: 22px;
  }

  .blog-cta-box {
    padding: 34px 22px;
    border-radius: 24px;
  }

  .article-wrapper {
    padding-top: 36px;
  }

  .article-content pre {
    font-size: 0.86rem;
  }

  .article-cta {
    padding: 28px 22px;
    border-radius: 24px;
  }

  .blog-footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .blog-footer div div {
    justify-content: center;
  }
}
/* =========================================================
   AJUSTES PROFESIONALES BLOG FLASHFILL
   ========================================================= */

.blog-topbar {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #e5e7eb;
}

.blog-nav {
  min-height: 76px;
}

.blog-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.blog-logo img {
  width: 155px;
  height: auto;
  display: block;
}

.blog-menu a {
  font-size: 0.95rem;
  font-weight: 650;
  color: #475569;
}

.blog-nav-cta {
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.92rem;
}

/* Hero más sobrio */
.blog-hero-compact {
  padding: 72px 0 62px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid #e5e7eb;
}

.blog-hero-compact .blog-kicker {
  margin-bottom: 12px;
  color: #2563eb;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.blog-hero-compact h1 {
  max-width: 820px;
  margin: 0 auto 18px;
  color: #0f172a;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.blog-hero-compact p {
  max-width: 680px;
  margin: 0 auto;
  color: #64748b;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Sección artículos */
.blog-list-section {
  padding: 64px 0;
}

.blog-section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.blog-section-heading h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.blog-section-heading p {
  font-size: 1rem;
  line-height: 1.65;
}

/* Grid más de blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

/* Card profesional con imagen */
.blog-card {
  padding: 0;
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.06);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.10);
}

.blog-card-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #eff6ff;
  border-bottom: 1px solid #e2e8f0;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-card-body {
  padding: 26px;
}

.blog-card-badge {
  margin-bottom: 16px;
  padding: 6px 11px;
  font-size: 0.74rem;
  font-weight: 800;
  background: #eff6ff;
  color: #2563eb;
}

.blog-card h3 {
  margin-bottom: 12px;
  font-size: 1.28rem;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.blog-card p {
  margin-bottom: 22px;
  color: #64748b;
  font-size: 0.98rem;
  line-height: 1.7;
}

.blog-card-footer {
  padding-top: 16px;
}

.blog-card-footer span,
.blog-card-footer a {
  font-size: 0.9rem;
}

/* CTA más pequeño y profesional */
.blog-bottom-cta {
  padding: 24px 0 72px;
}

.blog-cta-small {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  text-align: left;
  padding: 34px 38px;
  border-radius: 26px;
  background: linear-gradient(135deg, #2563eb, #1e40af);
}

.blog-cta-small h2 {
  margin: 0 0 8px;
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.blog-cta-small p {
  margin: 0;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.6;
}

.blog-btn-light {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: #2563eb;
  text-decoration: none;
  border-radius: 14px;
  padding: 13px 20px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
}

.blog-btn-light:hover {
  background: #eff6ff;
  color: #1d4ed8;
}

/* Responsive */
@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-cta-small {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .blog-nav {
    min-height: auto;
  }

  .blog-logo img {
    width: 140px;
  }

  .blog-hero-compact {
    padding: 52px 0 46px;
  }

  .blog-hero-compact h1 {
    font-size: clamp(2rem, 10vw, 2.7rem);
  }

  .blog-card-body {
    padding: 22px;
  }

  .blog-cta-small {
    padding: 28px 22px;
    border-radius: 22px;
  }

  .blog-btn-light {
    width: 100%;
  }
}
.blog-grid-12 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1050px) {
  .blog-grid-12 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .blog-grid-12 {
    grid-template-columns: 1fr;
  }
}