/* tokens en base.css */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',sans-serif;color:var(--primary);background:var(--white);overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-sm)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:40px;width:auto;flex-shrink:0}
.nav-logo span{font-size:1.5rem;font-weight:800;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{font-size:.88rem;font-weight:600;color:var(--primary);transition:color .3s;letter-spacing:.3px}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-cta{background:var(--accent);color:var(--white)!important;padding:10px 22px;border-radius:50px;transition:all .3s!important}
.nav-cta:hover{background:var(--primary)!important;transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{width:24px;height:2px;background:var(--primary);transition:all .3s;border-radius:2px}
.mobile-menu{position:fixed;inset:0;background:var(--primary);z-index:2000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;transform:translateX(100%);transition:transform .4s cubic-bezier(.77,0,.175,1)}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{font-size:1.3rem;font-weight:700;color:var(--white);letter-spacing:.5px}
.mobile-menu a:hover{color:var(--accent)}
.mobile-close{position:absolute;top:24px;right:24px;background:none;border:none;color:var(--white);font-size:1.8rem;cursor:pointer}

/* HERO */
.blog-hero{min-height:340px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,#1a6b7a 100%);position:relative;display:flex;align-items:flex-end;padding-top:80px;overflow:hidden}
.blog-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%2329D1B1' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero-blob{position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(41,209,177,.12) 0%,transparent 70%);right:-60px;top:50%;transform:translateY(-50%)}
.blog-hero-inner{max-width:1200px;margin:0 auto;padding:60px 24px 56px;position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.breadcrumb a{font-size:.78rem;color:rgba(255,255,255,.6);font-weight:500;transition:color .3s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{font-size:.78rem;color:rgba(255,255,255,.4)}
.breadcrumb strong{font-size:.78rem;color:var(--accent);font-weight:600}
.blog-hero h1{font-size:2.8rem;font-weight:800;color:var(--white);line-height:1.1;margin-bottom:14px}
.blog-hero h1 span{color:var(--accent)}
.blog-hero p{font-size:1rem;color:rgba(255,255,255,.7);max-width:540px;line-height:1.7}

/* LAYOUT */
.blog-layout{max-width:1200px;margin:0 auto;padding:60px 24px 100px;display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}

/* FILTROS */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-label{font-size:.78rem;font-weight:700;color:var(--gray-text);text-transform:uppercase;letter-spacing:1.5px;margin-right:4px}
.filter-btn{background:var(--gray-light);border:2px solid transparent;color:var(--gray-text);font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:600;padding:8px 18px;border-radius:50px;cursor:pointer;transition:all .25s;white-space:nowrap}
.filter-btn:hover{border-color:var(--accent-mid);color:var(--primary)}
.filter-btn.active{background:var(--accent);color:var(--white);border-color:var(--accent)}
.filter-count{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;background:rgba(255,255,255,.3);border-radius:50%;font-size:.65rem;margin-left:4px;font-weight:700}
.filter-btn:not(.active) .filter-count{background:var(--accent-light);color:var(--accent)}

/* BUSCADOR */
.search-wrap{position:relative;margin-bottom:36px}
.search-input{width:100%;padding:14px 20px 14px 48px;border:2px solid var(--gray-mid);border-radius:50px;font-family:'Montserrat',sans-serif;font-size:.88rem;color:var(--primary);background:var(--white);outline:none;transition:all .3s}
.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(41,209,177,.1)}
.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:1rem;color:var(--gray-text);pointer-events:none}
.search-clear{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:var(--gray-mid);border:none;color:var(--gray-text);width:24px;height:24px;border-radius:50%;font-size:.75rem;cursor:pointer;display:none;align-items:center;justify-content:center;transition:all .25s}
.search-clear.vis{display:flex}
.search-clear:hover{background:var(--primary);color:var(--white)}

/* RESULTADOS */
.results-info{font-size:.82rem;color:var(--gray-text);margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.results-info strong{color:var(--primary)}
.sort-select{font-family:'Montserrat',sans-serif;font-size:.82rem;color:var(--primary);border:2px solid var(--gray-mid);border-radius:8px;padding:6px 12px;outline:none;cursor:pointer;background:var(--white);transition:border-color .3s}
.sort-select:focus{border-color:var(--accent)}

/* GRID */
.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* CARD */
.post-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-mid);transition:all .4s;display:flex;flex-direction:column;text-decoration:none;color:inherit;height:100%}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--accent-mid)}
.post-img{aspect-ratio:16/9;background:var(--gray-light);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.post-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .5s}
.post-card:hover .post-img img{transform:scale(1.05)}
.post-img-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:100%;height:100%}
.post-img-ph svg{opacity:.18}
.post-cat-badge{position:absolute;top:12px;left:12px;font-size:.68rem;font-weight:700;padding:4px 12px;border-radius:50px;letter-spacing:.3px;z-index:1;color:var(--white)}
.post-feat-badge{position:absolute;top:12px;right:12px;background:rgba(13,59,76,.85);color:var(--accent);font-size:.65rem;font-weight:700;padding:4px 10px;border-radius:50px;letter-spacing:.5px;z-index:1}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.post-date{font-size:.73rem;color:var(--gray-text);font-weight:500}
.post-reading{font-size:.73rem;color:var(--gray-text)}
.post-author-chip{display:flex;align-items:center;gap:6px;margin-left:auto}
.author-av-sm{width:22px;height:22px;border-radius:50%;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:.58rem;font-weight:700;color:var(--accent);overflow:hidden;flex-shrink:0}
.author-av-sm img{width:100%;height:100%;object-fit:cover}
.post-author-chip span{font-size:.72rem;color:var(--gray-text);font-weight:500}
.post-body h3{font-size:.95rem;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}
.post-body p{font-size:.82rem;color:var(--gray-text);line-height:1.65;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;flex:1}
.post-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--gray-mid)}
.post-read-link{font-size:.8rem;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:6px;transition:gap .25s}
.post-card:hover .post-read-link{gap:10px}
.post-tags{display:flex;gap:5px;flex-wrap:wrap}
.post-tag{font-size:.66rem;color:var(--gray-text);background:var(--gray-light);padding:3px 7px;border-radius:4px;font-weight:500}

/* FEATURED */
.post-card.featured{grid-column:1/-1;flex-direction:row}
.post-card.featured .post-img{aspect-ratio:unset;width:380px;flex-shrink:0}
.post-card.featured .post-body{padding:32px}
.post-card.featured h3{font-size:1.2rem}

/* SKELETON */
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.sk-card{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-mid);background:var(--white)}
.sk-img{aspect-ratio:16/9;background:linear-gradient(90deg,var(--gray-mid) 25%,var(--gray-light) 50%,var(--gray-mid) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}
.sk-body{padding:22px;display:flex;flex-direction:column;gap:10px}
.sk-line{border-radius:6px;background:linear-gradient(90deg,var(--gray-mid) 25%,var(--gray-light) 50%,var(--gray-mid) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}

/* EMPTY STATE */
.empty-state{grid-column:1/-1;text-align:center;padding:70px 20px}
.empty-state svg{opacity:.2;margin:0 auto 14px}
.empty-state h3{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:7px}
.empty-state p{font-size:.85rem;color:var(--gray-text)}

/* PAGINACIÓN */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:48px}
.page-btn{width:38px;height:38px;border:2px solid var(--gray-mid);border-radius:10px;background:var(--white);color:var(--gray-text);font-family:'Montserrat',sans-serif;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .25s;display:flex;align-items:center;justify-content:center}
.page-btn:hover{border-color:var(--accent);color:var(--accent)}
.page-btn.active{background:var(--accent);border-color:var(--accent);color:var(--white)}
.page-btn:disabled{opacity:.32;pointer-events:none}
.page-dots{color:var(--gray-text);font-size:.82rem;padding:0 4px}

/* SIDEBAR */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:100px}
.sidebar-widget{background:var(--white);border:1px solid var(--gray-mid);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.sidebar-widget h4{font-size:.82rem;font-weight:700;color:var(--primary);margin-bottom:16px;letter-spacing:.3px;text-transform:uppercase;display:flex;align-items:center;gap:7px}
.sidebar-widget h4::after{content:'';flex:1;height:1px;background:var(--gray-mid)}
.cat-list{display:flex;flex-direction:column;gap:7px}
.cat-item{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;border-radius:9px;cursor:pointer;transition:all .22s;border:1.5px solid transparent}
.cat-item:hover{background:var(--accent-light);border-color:var(--accent-mid)}
.cat-item.active{background:var(--accent);border-color:var(--accent)}
.cat-item-left{display:flex;align-items:center;gap:9px}
.cat-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.cat-name{font-size:.82rem;font-weight:600;color:var(--primary);transition:color .22s}
.cat-item.active .cat-name{color:var(--white)}
.cat-count{font-size:.72rem;font-weight:700;color:var(--gray-text);background:var(--gray-light);padding:2px 8px;border-radius:50px;transition:all .22s}
.cat-item.active .cat-count{background:rgba(255,255,255,.25);color:var(--white)}
.recent-list{display:flex;flex-direction:column;gap:12px}
.recent-item{display:flex;gap:11px;text-decoration:none;color:inherit;transition:opacity .22s}
.recent-item:hover{opacity:.72}
.recent-thumb{width:52px;height:52px;border-radius:9px;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--gray-light)}
.recent-thumb img{width:100%;height:100%;object-fit:cover}
.recent-thumb svg{opacity:.2}
.recent-info strong{display:block;font-size:.78rem;font-weight:700;color:var(--primary);line-height:1.35;margin-bottom:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.recent-info span{font-size:.7rem;color:var(--gray-text)}
.newsletter-widget{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border:none}
.newsletter-widget h4{color:var(--white);font-size:.88rem}
.newsletter-widget h4::after{background:rgba(255,255,255,.2)}
.newsletter-sub{font-size:.8rem;color:rgba(255,255,255,.68);line-height:1.6;margin-bottom:14px}
.newsletter-input{width:100%;padding:11px 15px;border:1.5px solid rgba(255,255,255,.2);border-radius:9px;background:rgba(255,255,255,.1);color:var(--white);font-family:'Montserrat',sans-serif;font-size:.83rem;outline:none;transition:border-color .3s;margin-bottom:8px}
.newsletter-input::placeholder{color:rgba(255,255,255,.42)}
.newsletter-input:focus{border-color:var(--accent)}
.newsletter-btn{width:100%;background:var(--accent);color:var(--white);border:none;padding:11px;border-radius:9px;font-family:'Montserrat',sans-serif;font-size:.83rem;font-weight:700;cursor:pointer;transition:all .28s}
.newsletter-btn:hover{background:var(--white);color:var(--accent)}
.tags-cloud{display:flex;flex-wrap:wrap;gap:7px}
.tag-cloud-btn{font-size:.73rem;font-weight:600;color:var(--gray-text);background:var(--gray-light);border:1.5px solid transparent;padding:4px 11px;border-radius:6px;cursor:pointer;transition:all .22s;font-family:'Montserrat',sans-serif}
.tag-cloud-btn:hover,.tag-cloud-btn.active{background:var(--accent-light);border-color:var(--accent-mid);color:var(--primary)}

/* FOOTER */
footer{background:var(--primary-dark);padding:56px 0 26px}
.footer-grid{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:40px}
.footer-brand p{font-size:.82rem;color:rgba(255,255,255,.46);line-height:1.7;margin:13px 0 18px}
.social-links{display:flex;gap:9px}
.social-link{width:34px;height:34px;background:rgba(255,255,255,.07);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.88rem;color:rgba(255,255,255,.48);transition:all .28s}
.social-link:hover{background:var(--accent);color:var(--white)}
.footer-col h4{font-size:.82rem;font-weight:700;color:var(--white);margin-bottom:15px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:.78rem;color:rgba(255,255,255,.42);transition:color .28s}
.footer-col ul li a:hover{color:var(--accent)}
.fci{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.fci span{font-size:.78rem;color:rgba(255,255,255,.45)}
.footer-bottom{max-width:1200px;margin:0 auto;padding:20px 24px 0;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom p{font-size:.76rem;color:rgba(255,255,255,.3)}
.footer-legal{display:flex;gap:18px}
.footer-legal a{font-size:.76rem;color:rgba(255,255,255,.3);transition:color .28s}
.footer-legal a:hover{color:var(--accent)}

/* SCROLL TOP */
.scroll-top{position:fixed;bottom:24px;left:24px;width:42px;height:42px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);cursor:pointer;opacity:0;transform:translateY(16px);transition:all .28s;z-index:60;border:none;box-shadow:0 4px 14px rgba(41,209,177,.32)}
.scroll-top.vis{opacity:1;transform:translateY(0)}
.scroll-top:hover{background:var(--primary)}

/* RESPONSIVE */
@media(max-width:1024px){.blog-layout{grid-template-columns:1fr;gap:36px}.sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}.newsletter-widget{grid-column:1/-1}}
@media(max-width:768px){.nav-links{display:none}.hamburger{display:flex}.blog-hero h1{font-size:2rem}.blog-layout{padding:40px 18px 70px}.posts-grid{grid-template-columns:1fr}.post-card.featured{flex-direction:column}.post-card.featured .post-img{width:100%;aspect-ratio:16/9}.sidebar{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.blog-hero h1{font-size:1.75rem}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}}