/* Blog — Certicorreo / ESM Logística */
.blog-hero{padding:150px 0 60px;background:var(--cr-primary);position:relative;overflow:hidden}
.blog-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 25% 20%,rgba(124,58,237,0.14),transparent 55%),radial-gradient(ellipse at 75% 80%,rgba(59,130,246,0.08),transparent 50%);pointer-events:none}
.blog-hero__content{position:relative;z-index:1;max-width:820px;margin:0 auto;text-align:center}
.blog-hero__badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;background:rgba(124,58,237,0.12);border:1px solid rgba(124,58,237,0.22);border-radius:var(--cr-radius-full);font-size:0.8rem;font-weight:600;color:var(--cr-accent-light);margin-bottom:22px}
.blog-hero__title{font-size:clamp(1.75rem,4.5vw,2.8rem);font-weight:900;color:var(--cr-white);line-height:1.2;letter-spacing:-0.02em;margin-bottom:18px}
.blog-hero__meta{display:flex;flex-wrap:wrap;justify-content:center;gap:16px 24px;font-size:0.88rem;color:rgba(255,255,255,0.5);margin-top:20px}
.blog-hero__meta span{display:inline-flex;align-items:center;gap:6px}
.blog-hero__breadcrumb{font-size:0.85rem;color:rgba(255,255,255,0.45);margin-bottom:20px}
.blog-hero__breadcrumb a{color:rgba(255,255,255,0.65)}
.blog-hero__breadcrumb a:hover{color:var(--cr-white)}

.blog-layout{padding:60px 0 100px;background:var(--cr-gray-50)}
.blog-layout__grid{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start;max-width:1100px;margin:0 auto}
@media(max-width:960px){.blog-layout__grid{grid-template-columns:1fr}}

.blog-article{background:var(--cr-white);border-radius:var(--cr-radius);padding:48px 56px;box-shadow:var(--cr-shadow-md);border:1px solid var(--cr-gray-100)}
@media(max-width:640px){.blog-article{padding:28px 22px}}
.blog-article h2{font-size:1.45rem;font-weight:800;color:var(--cr-gray-900);margin:2.2em 0 0.8em;line-height:1.3;scroll-margin-top:100px}
.blog-article h2:first-of-type{margin-top:0}
.blog-article h3{font-size:1.12rem;font-weight:700;color:var(--cr-gray-800);margin:1.6em 0 0.6em}
.blog-article p,.blog-article li{font-size:1.02rem;color:var(--cr-gray-600);line-height:1.85}
.blog-article p{margin-bottom:1.2em}
.blog-article ul,.blog-article ol{margin:0 0 1.4em 1.2em}
.blog-article li{margin-bottom:0.45em}
.blog-article a{color:var(--cr-accent);text-decoration:underline;text-underline-offset:3px}
.blog-article a:hover{color:var(--cr-accent-dark)}
.blog-article strong{color:var(--cr-gray-800)}

.blog-toc{background:var(--cr-gray-50);border:1px solid var(--cr-gray-200);border-radius:var(--cr-radius-sm);padding:24px 28px;margin-bottom:2em}
.blog-toc__title{font-size:0.82rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--cr-gray-500);margin-bottom:12px}
.blog-toc ol{margin:0;padding-left:1.2em}
.blog-toc li{font-size:0.95rem;margin-bottom:0.35em}
.blog-toc a{color:var(--cr-gray-700);text-decoration:none}
.blog-toc a:hover{color:var(--cr-accent)}

.blog-callout{border-left:4px solid var(--cr-accent);background:var(--cr-accent-subtle);padding:20px 24px;border-radius:0 var(--cr-radius-sm) var(--cr-radius-sm) 0;margin:1.8em 0}
.blog-callout p{margin:0;font-size:0.98rem}
.blog-callout--tip{border-left-color:var(--cr-success);background:rgba(16,185,129,0.08)}

.blog-table-wrap{overflow-x:auto;margin:1.5em 0;border-radius:var(--cr-radius-sm);border:1px solid var(--cr-gray-200)}
.blog-table{width:100%;border-collapse:collapse;font-size:0.92rem}
.blog-table th,.blog-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--cr-gray-100)}
.blog-table th{background:var(--cr-gray-900);color:var(--cr-white);font-weight:600}
.blog-table tr:last-child td{border-bottom:none}
.blog-table tr:nth-child(even) td{background:var(--cr-gray-50)}

.blog-steps{counter-reset:step;margin:1.5em 0}
.blog-step{display:flex;gap:18px;margin-bottom:1.4em;padding:20px;background:var(--cr-gray-50);border-radius:var(--cr-radius-sm);border:1px solid var(--cr-gray-100)}
.blog-step__num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--cr-accent),var(--cr-accent-dark));color:var(--cr-white);font-weight:800;font-size:0.95rem;display:flex;align-items:center;justify-content:center}
.blog-step__body h3{margin:0 0 0.4em;font-size:1.05rem}
.blog-step__body p{margin:0;font-size:0.96rem}

.blog-cta{text-align:center;padding:40px 32px;margin-top:2.5em;background:linear-gradient(135deg,var(--cr-primary),#1a1040);border-radius:var(--cr-radius);color:var(--cr-white)}
.blog-cta h3{font-size:1.35rem;font-weight:800;color:var(--cr-white);margin-bottom:10px}
.blog-cta p{color:rgba(255,255,255,0.65);margin-bottom:22px;font-size:0.98rem}

.blog-sidebar{position:sticky;top:100px}
.blog-sidebar__card{background:var(--cr-white);border-radius:var(--cr-radius-sm);padding:24px;border:1px solid var(--cr-gray-200);margin-bottom:20px;box-shadow:var(--cr-shadow-md)}
.blog-sidebar__card h4{font-size:0.95rem;font-weight:700;color:var(--cr-gray-900);margin-bottom:14px}
.blog-sidebar__links{display:flex;flex-direction:column;gap:10px}
.blog-sidebar__links a{font-size:0.9rem;color:var(--cr-gray-600);text-decoration:none;display:flex;align-items:center;gap:8px}
.blog-sidebar__links a:hover{color:var(--cr-accent)}
.blog-sidebar__links a i{color:var(--cr-accent);font-size:0.75rem}

.blog-faq{margin-top:2em}
.blog-faq-item{border:1px solid var(--cr-gray-200);border-radius:var(--cr-radius-sm);margin-bottom:10px;overflow:hidden}
.blog-faq-item summary{padding:16px 20px;font-weight:600;color:var(--cr-gray-800);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.blog-faq-item summary::-webkit-details-marker{display:none}
.blog-faq-item summary::after{content:'+';font-size:1.2rem;color:var(--cr-accent);font-weight:400}
.blog-faq-item[open] summary::after{content:'−'}
.blog-faq-item__a{padding:0 20px 16px;font-size:0.96rem;color:var(--cr-gray-600);line-height:1.75}

/* Blog index */
.blog-index{padding:80px 0 100px;background:var(--cr-gray-50)}
.blog-index__header{text-align:center;max-width:640px;margin:0 auto 56px}
.blog-index__header h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:900;color:var(--cr-gray-900);margin-bottom:14px}
.blog-index__header p{color:var(--cr-gray-500);font-size:1.05rem}
.blog-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px;max-width:1100px;margin:0 auto}
.blog-card{background:var(--cr-white);border-radius:var(--cr-radius);overflow:hidden;border:1px solid var(--cr-gray-200);box-shadow:var(--cr-shadow-md);transition:transform 0.3s var(--cr-ease),box-shadow 0.3s var(--cr-ease)}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--cr-shadow-lg)}
.blog-card__img{height:180px;background:linear-gradient(135deg,var(--cr-primary),#2d1b69);display:flex;align-items:center;justify-content:center;padding:24px}
.blog-card__img i{font-size:3rem;color:var(--cr-accent-light);opacity:0.9}
.blog-card__body{padding:26px 28px}
.blog-card__tag{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--cr-accent);margin-bottom:10px}
.blog-card__title{font-size:1.15rem;font-weight:800;color:var(--cr-gray-900);line-height:1.35;margin-bottom:10px}
.blog-card__title a{text-decoration:none;color:inherit}
.blog-card__title a:hover{color:var(--cr-accent)}
.blog-card__excerpt{font-size:0.92rem;color:var(--cr-gray-500);line-height:1.65;margin-bottom:16px}
.blog-card__meta{font-size:0.8rem;color:var(--cr-gray-400);display:flex;gap:16px}