/* ============================================
   BLOG.CSS - CSS específico para blog.html
   ============================================ */

/* ============================================
   BLOG HERO
   ============================================ */
.blog-hero{min-height:50vh;display:flex;align-items:center;justify-content:center;position:relative;padding:calc(var(--header-h) + 60px) 0 60px;overflow:hidden;z-index:1}
.blog-hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}
.blog-hero-bg .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;animation:orbFloat 20s ease-in-out infinite alternate}
.blog-hero-bg .orb-1{width:400px;height:400px;background:rgba(0,229,255,0.15);top:-20%;left:-5%;animation-delay:0s}
.blog-hero-bg .orb-2{width:350px;height:350px;background:rgba(124,58,237,0.12);bottom:-20%;right:-5%;animation-delay:-7s}
@keyframes orbFloat{0%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(0.95)}100%{transform:translate(10px,-10px) scale(1.02)}}

.blog-hero-content{text-align:center;max-width:860px;z-index:2;padding:0 20px}

.terminal-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 22px;font-family:var(--font-mono);font-size:.82rem;background:rgba(0,0,0,0.5);border:1px solid rgba(0,229,255,0.25);border-radius:var(--radius-xs);color:var(--accent-cyan);box-shadow:0 0 20px rgba(0,229,255,0.12);margin-bottom:28px;backdrop-filter:blur(8px)}
.terminal-badge .prompt{color:var(--accent-emerald)}
.terminal-badge .path{color:var(--accent-cyan)}
.terminal-badge .cursor{display:inline-block;width:8px;height:16px;background:var(--accent-cyan);animation:blink 1s step-end infinite;vertical-align:middle;margin-left:2px}

.blog-hero h1{font-family:var(--font-heading);font-size:clamp(2.2rem,6vw,3.6rem);font-weight:800;line-height:1.1;margin-bottom:18px;letter-spacing:-.03em}
.blog-hero p{font-size:clamp(1rem,2vw,1.15rem);color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.8}

/* ============================================
   CATEGORY FILTERS
   ============================================ */
.blog-filters{position:relative;z-index:1;padding:0 0 48px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.filter-btn{padding:10px 22px;border-radius:var(--radius-full);border:1px solid var(--border-default);background:rgba(255,255,255,0.02);color:var(--text-secondary);cursor:pointer;transition:.3s var(--ease-out);font-family:var(--font-body);font-size:.88rem;font-weight:500;display:inline-flex;align-items:center;gap:8px}
.filter-btn:hover{border-color:var(--border-hover);color:var(--text-primary);background:rgba(0,229,255,0.04)}
.filter-btn.active{background:var(--gradient-hero);border-color:transparent;color:#fff;box-shadow:0 4px 16px rgba(0,229,255,0.2)}
.filter-count{font-family:var(--font-mono);font-size:.72rem;background:rgba(255,255,255,0.08);padding:2px 8px;border-radius:var(--radius-full)}
.filter-btn.active .filter-count{background:rgba(255,255,255,0.2)}

/* ============================================
   FEATURED POST
   ============================================ */
.featured-section{position:relative;z-index:1;padding:0 0 72px}
.featured-card{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:var(--gradient-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden;transition:.45s var(--ease-out);position:relative;text-decoration:none;color:inherit}
.featured-card::after{content:'';position:absolute;bottom:0;left:0;width:0;height:3px;background:var(--gradient-hero);transition:width .5s var(--ease-out);z-index:5}
.featured-card:hover::after{width:100%}
.featured-card:hover{transform:translateY(-6px);border-color:var(--border-hover);box-shadow:0 24px 60px rgba(0,0,0,0.5),0 0 40px rgba(0,229,255,0.08)}

.featured-image{position:relative;overflow:hidden;min-height:340px}
.featured-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out);filter:saturate(.9) brightness(.9)}
.featured-card:hover .featured-image img{transform:scale(1.06);filter:saturate(1.1) brightness(1)}
.featured-image .featured-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,229,255,0.08),rgba(124,58,237,0.08));opacity:0;transition:.4s}
.featured-card:hover .featured-overlay{opacity:1}

.featured-label{position:absolute;top:20px;left:20px;z-index:5;display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-full);background:var(--gradient-hero);color:#fff;font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;box-shadow:0 4px 16px rgba(0,229,255,0.3)}

.featured-content{padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
.featured-meta{display:flex;align-items:center;gap:16px;margin-bottom:16px;font-size:.82rem;color:var(--text-muted)}
.featured-meta span{display:inline-flex;align-items:center;gap:6px}
.featured-meta .dot{width:4px;height:4px;background:var(--accent-cyan);border-radius:50%}

.featured-category{display:inline-flex;padding:5px 14px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px;width:fit-content}
.featured-category.cat-python{background:rgba(55,118,171,0.2);color:#6baed6;border:1px solid rgba(55,118,171,0.25)}
.featured-category.cat-django{background:rgba(9,46,32,0.5);color:#44b78b;border:1px solid rgba(68,183,139,0.25)}
.featured-category.cat-web{background:rgba(227,76,38,0.15);color:#ff7043;border:1px solid rgba(227,76,38,0.2)}
.featured-category.cat-tendencias{background:rgba(124,58,237,0.15);color:#a78bfa;border:1px solid rgba(124,58,237,0.25)}
.featured-category.cat-negocio{background:rgba(245,158,11,0.15);color:#fbbf24;border:1px solid rgba(245,158,11,0.25)}
.featured-category.cat-devops{background:rgba(16,185,129,0.15);color:#34d399;border:1px solid rgba(16,185,129,0.25)}

.featured-content h2{font-family:var(--font-heading);font-size:1.7rem;font-weight:700;margin-bottom:14px;line-height:1.25;letter-spacing:-.01em;transition:color .3s}
.featured-card:hover .featured-content h2{color:var(--accent-cyan)}
.featured-content p{color:var(--text-secondary);font-size:.92rem;line-height:1.75;margin-bottom:24px}
.featured-read-more{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:600;font-size:.92rem;color:var(--accent-cyan);transition:.3s}
.featured-read-more svg{transition:transform .3s var(--ease-bounce)}
.featured-card:hover .featured-read-more svg{transform:translateX(6px)}

/* ============================================
   BLOG GRID
   ============================================ */
.blog-section{position:relative;z-index:1;padding:0 0 80px}
.blog-section .section-header{text-align:center;margin-bottom:48px}
.section-title{font-family:var(--font-heading);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;margin-bottom:14px;letter-spacing:-.02em;text-transform:uppercase;letter-spacing:1px}
.section-title::before{content:'> ';color:var(--accent-cyan);font-family:var(--font-mono)}
.section-title::after{content:'_';color:var(--accent-cyan);animation:blink 1s step-end infinite;font-family:var(--font-mono)}
.section-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:580px;margin:0 auto;line-height:1.8}

.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}

.blog-card{background:var(--gradient-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-default);border-radius:var(--radius-md);overflow:hidden;text-decoration:none;color:inherit;transition:all .45s var(--ease-out);position:relative;display:flex;flex-direction:column}
.blog-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,0.04),transparent 40%);z-index:1;opacity:0;transition:opacity .4s;pointer-events:none}
.blog-card::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-hero);transition:width .4s var(--ease-out);z-index:5}
.blog-card:hover::before{opacity:1}
.blog-card:hover::after{width:100%}
.blog-card:hover{transform:translateY(-6px);border-color:var(--border-hover);box-shadow:var(--shadow-glow)}

.blog-card-image{position:relative;overflow:hidden;height:200px}
.blog-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease-out);filter:saturate(.85) brightness(.9)}
.blog-card:hover .blog-card-image img{transform:scale(1.07);filter:saturate(1.05) brightness(1)}
.blog-card-image .img-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(5,10,24,0.6) 100%)}

.blog-card-category{position:absolute;top:14px;left:14px;z-index:5;padding:5px 12px;border-radius:var(--radius-full);font-size:.7rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.4px;backdrop-filter:blur(8px)}
.blog-card-category.cat-python{background:rgba(55,118,171,0.25);color:#6baed6;border:1px solid rgba(55,118,171,0.3)}
.blog-card-category.cat-django{background:rgba(9,46,32,0.6);color:#44b78b;border:1px solid rgba(68,183,139,0.3)}
.blog-card-category.cat-web{background:rgba(227,76,38,0.2);color:#ff7043;border:1px solid rgba(227,76,38,0.25)}
.blog-card-category.cat-tendencias{background:rgba(124,58,237,0.2);color:#a78bfa;border:1px solid rgba(124,58,237,0.3)}
.blog-card-category.cat-negocio{background:rgba(245,158,11,0.2);color:#fbbf24;border:1px solid rgba(245,158,11,0.25)}
.blog-card-category.cat-devops{background:rgba(16,185,129,0.2);color:#34d399;border:1px solid rgba(16,185,129,0.25)}

.blog-card-readtime{position:absolute;top:14px;right:14px;z-index:5;padding:5px 10px;border-radius:var(--radius-full);background:rgba(0,0,0,0.6);border:1px solid rgba(255,255,255,0.08);backdrop-filter:blur(8px);font-size:.7rem;font-family:var(--font-mono);color:var(--text-secondary);display:inline-flex;align-items:center;gap:4px}

.blog-card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;position:relative;z-index:2}
.blog-card-date{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.blog-card-title{font-family:var(--font-heading);font-size:1.15rem;font-weight:700;margin-bottom:10px;line-height:1.35;letter-spacing:-.01em;transition:color .3s;display:-webkit-box;line-clamp:2;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-card:hover .blog-card-title{color:var(--accent-cyan)}
.blog-card-excerpt{color:var(--text-secondary);font-size:.87rem;line-height:1.7;margin-bottom:18px;flex:1;display:-webkit-box;display:block;display:-moz-box;line-clamp:3;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.blog-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--border-subtle)}
.blog-card-author{display:flex;align-items:center;gap:8px}
.blog-card-avatar{width:28px;height:28px;border-radius:50%;background:var(--gradient-hero);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff}
.blog-card-author-name{font-size:.8rem;font-weight:500;color:var(--text-secondary)}
.blog-card-arrow{width:32px;height:32px;border-radius:50%;background:rgba(0,229,255,0.08);border:1px solid rgba(0,229,255,0.15);display:flex;align-items:center;justify-content:center;color:var(--accent-cyan);transition:.3s var(--ease-out)}
.blog-card:hover .blog-card-arrow{background:var(--accent-cyan);color:var(--bg-base);box-shadow:0 4px 12px rgba(0,229,255,0.3);transform:translateX(3px)}

.blog-card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:14px}
.blog-tag{font-size:.65rem;padding:3px 8px;border-radius:var(--radius-xs);font-family:var(--font-mono);font-weight:600;text-transform:uppercase;letter-spacing:.3px}
.blog-tag.python{background:rgba(55,118,171,0.15);color:#6baed6;border:1px solid rgba(55,118,171,0.2)}
.blog-tag.django{background:rgba(9,46,32,0.4);color:#44b78b;border:1px solid rgba(68,183,139,0.2)}
.blog-tag.javascript{background:rgba(247,223,30,0.08);color:#ffd54f;border:1px solid rgba(247,223,30,0.15)}
.blog-tag.html{background:rgba(227,76,38,0.12);color:#ff7043;border:1px solid rgba(227,76,38,0.15)}
.blog-tag.css{background:rgba(21,114,182,0.12);color:#64b5f6;border:1px solid rgba(21,114,182,0.15)}
.blog-tag.react{background:rgba(97,218,251,0.08);color:#61dafb;border:1px solid rgba(97,218,251,0.15)}
.blog-tag.docker{background:rgba(36,150,237,0.12);color:#60a5fa;border:1px solid rgba(36,150,237,0.15)}
.blog-tag.aws{background:rgba(255,153,0,0.1);color:#ffb74d;border:1px solid rgba(255,153,0,0.15)}
.blog-tag.seo{background:rgba(16,185,129,0.1);color:#34d399;border:1px solid rgba(16,185,129,0.15)}
.blog-tag.ia{background:rgba(124,58,237,0.12);color:#a78bfa;border:1px solid rgba(124,58,237,0.15)}
.blog-tag.seguridad{background:rgba(239,68,68,0.12);color:#f87171;border:1px solid rgba(239,68,68,0.15)}
.blog-tag.negocio{background:rgba(245,158,11,0.1);color:#fbbf24;border:1px solid rgba(245,158,11,0.15)}
.blog-tag.openapi{background:rgba(97,218,251,0.08);color:#93c5fd;border:1px solid rgba(97,218,251,0.12)}

/* ============================================
   LOAD MORE
   ============================================ */
.load-more-container{display:flex;justify-content:center;margin-top:48px}
.load-more-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;border-radius:var(--radius-full);border:1px solid var(--border-default);background:rgba(255,255,255,0.02);color:var(--text-primary);cursor:pointer;transition:.3s var(--ease-out);font-family:var(--font-heading);font-size:.95rem;font-weight:600}
.load-more-btn:hover{background:var(--gradient-hero);border-color:transparent;color:#fff;box-shadow:0 8px 32px rgba(0,229,255,0.2);transform:translateY(-2px)}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter-section{position:relative;z-index:1;padding:0 0 80px}
.newsletter-box{background:var(--gradient-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.newsletter-box::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gradient-hero)}
.newsletter-box::after{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(0,229,255,0.06),transparent 70%);pointer-events:none}
.newsletter-box h3{font-family:var(--font-heading);font-size:1.8rem;font-weight:700;margin-bottom:12px;position:relative;z-index:2}
.newsletter-box p{color:var(--text-secondary);font-size:1rem;margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto;position:relative;z-index:2}
.newsletter-form{display:flex;gap:12px;max-width:480px;margin:0 auto;position:relative;z-index:2}
.newsletter-input{flex:1;padding:14px 18px;background:rgba(0,0,0,0.3);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:#fff;font-family:var(--font-body);font-size:.92rem;transition:.3s}
.newsletter-input:focus{outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(0,229,255,0.08)}
.newsletter-input::placeholder{color:var(--text-muted)}
.newsletter-submit{padding:14px 28px;background:var(--gradient-hero);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.92rem;cursor:pointer;transition:.3s;font-family:var(--font-heading);white-space:nowrap}
.newsletter-submit:hover{opacity:.92;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,229,255,0.25)}

/* ============================================
   ARTICLE VIEW
   ============================================ */
.article-view{display:none;position:relative;z-index:1;padding:0 0 80px}
.article-view.active{display:block}
.blog-content-area.hidden{display:none}

.article-back{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:.9rem;font-weight:500;margin-bottom:32px;transition:.25s;cursor:pointer}
.article-back:hover{color:var(--accent-cyan)}
.article-back svg{transition:transform .25s var(--ease-bounce)}
.article-back:hover svg{transform:translateX(-4px)}

.article-header{margin-bottom:40px}
.article-header .blog-card-category{position:static;display:inline-flex;margin-bottom:16px}
.article-header h1{font-family:var(--font-heading);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-.02em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;color:var(--text-muted);font-size:.88rem}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;background:var(--accent-cyan);border-radius:50%;display:inline-block}

.article-hero-image{width:100%;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:40px;border:1px solid var(--border-subtle)}
.article-hero-image img{width:100%;height:auto;max-height:480px;object-fit:cover;filter:saturate(.9)}

.article-body{max-width:760px;margin:0 auto}
.article-body h2{font-family:var(--font-heading);font-size:1.6rem;font-weight:700;margin:40px 0 16px;color:var(--text-primary)}
.article-body h3{font-family:var(--font-heading);font-size:1.2rem;font-weight:600;margin:32px 0 12px;color:var(--text-primary)}
.article-body p{color:var(--text-secondary);font-size:1rem;line-height:1.85;margin-bottom:20px}
.article-body ul,.article-body ol{margin:16px 0;padding-left:24px;color:var(--text-secondary)}
.article-body li{margin-bottom:8px;line-height:1.7}
.article-body code{font-family:var(--font-mono);font-size:.88rem;background:rgba(0,229,255,0.06);color:var(--accent-cyan);padding:2px 8px;border-radius:var(--radius-xs);border:1px solid rgba(0,229,255,0.1)}
.article-body pre{background:rgba(0,0,0,0.4);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:20px 24px;margin:24px 0;overflow-x:auto}
.article-body pre code{background:none;border:none;padding:0;color:var(--text-primary);font-size:.85rem;line-height:1.7}
.article-body blockquote{border-left:3px solid var(--accent-cyan);padding:16px 20px;margin:24px 0;background:rgba(0,229,255,0.03);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-body blockquote p{color:var(--text-primary);font-style:italic;margin:0}
.article-body img{width:100%;border-radius:var(--radius-md);margin:24px 0;border:1px solid var(--border-subtle)}

.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border-subtle)}
.article-tag-item{padding:6px 14px;border-radius:var(--radius-full);border:1px solid var(--border-default);font-size:.78rem;font-weight:500;color:var(--text-secondary);transition:.25s}
.article-tag-item:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}

.article-share{display:flex;align-items:center;gap:12px;margin-top:24px}
.article-share span{font-size:.88rem;color:var(--text-muted);font-weight:500}
.share-btn{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.04);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:.3s;cursor:pointer}
.share-btn:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);transform:translateY(-2px)}

.related-section{margin-top:64px;padding-top:48px;border-top:1px solid var(--border-subtle)}
.related-section h3{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;margin-bottom:28px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}

/* ============================================
   RESPONSIVE (blog specific)
   ============================================ */
@media(max-width:992px){
  .featured-card{grid-template-columns:1fr}
  .featured-image{min-height:260px}
  .featured-content{padding:28px 24px}
}
@media(max-width:768px){
  .blog-grid{grid-template-columns:1fr}
  .featured-content h2{font-size:1.35rem}
  .newsletter-box{padding:36px 24px}
  .newsletter-form{flex-direction:column}
  .related-grid{grid-template-columns:1fr}
  .article-header h1{font-size:1.6rem}
}
@media(max-width:480px){
  .blog-hero{padding-top:calc(var(--header-h) + 30px);min-height:40vh}
  .blog-hero h1{font-size:clamp(1.6rem,9vw,2.2rem)}
  .terminal-badge{font-size:.72rem;padding:8px 14px}
  .filter-btn{padding:8px 16px;font-size:.8rem}
}