header{position:sticky;top:0;z-index:var(--z-sticky);background:var(--blanco-peru);box-shadow:var(--shadow-base);transition:box-shadow var(--transition-base)}header.scrolled{box-shadow:var(--shadow-lg)}.top-bar{background:var(--gradient-bandera);color:var(--blanco-peru);padding:var(--space-2) 0;font-size:var(--text-sm);position:relative;overflow:hidden}.top-bar:before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.05) 10px,rgba(255,255,255,.05) 20px);pointer-events:none}.top-bar .container{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.date-display{display:flex;align-items:center;gap:var(--space-2);font-weight:var(--font-medium)}.date-display i{font-size:var(--text-base);opacity:var(--opacity-90)}.breaking-news{display:flex;align-items:center;gap:var(--space-3);font-weight:var(--font-semibold);animation:pulse-glow 2s ease-in-out infinite}.breaking-news i{font-size:var(--text-lg);animation:flash 1.5s ease-in-out infinite}@keyframes flash{0%,100%{opacity:1}50%{opacity:.5}}@keyframes pulse-glow{0%,100%{text-shadow:0 0 10px rgba(255,255,255,.3)}50%{text-shadow:0 0 20px rgba(255,255,255,.6)}}.top-bar-social{display:flex;gap:var(--space-3);align-items:center}.top-bar-social a{color:var(--blanco-peru);font-size:var(--text-base);transition:all var(--transition-fast);opacity:var(--opacity-80)}.top-bar-social a:hover{opacity:var(--opacity-100);transform:translateY(-2px)}.main-header{padding:var(--space-4) 0;background:var(--blanco-peru);border-bottom:1px solid var(--color-border-light)}.header-content{display:flex;justify-content:space-between;align-items:center;gap:var(--space-6)}.logo{font-family:var(--font-heading);font-size:var(--text-4xl);font-weight:var(--font-black);color:var(--rojo-peru-primary);text-shadow:2px 2px 4px rgba(217,16,35,.2);position:relative;display:flex;align-items:center;gap:var(--space-3);transition:all var(--transition-base);letter-spacing:var(--tracking-tight)}.logo:hover{color:var(--rojo-peru-dark);transform:scale(1.02);text-decoration:none}.logo:before{content:"";display:block;width:50px;height:50px;background:linear-gradient(to bottom,var(--rojo-peru-primary) 0,var(--rojo-peru-primary) 33%,var(--blanco-peru) 33%,var(--blanco-peru) 66%,var(--rojo-peru-primary) 66%,var(--rojo-peru-primary) 100%);border-radius:var(--radius-lg);box-shadow:var(--shadow-base);border:2px solid var(--gris-200);transition:all var(--transition-base)}.logo:hover:before{box-shadow:var(--shadow-md);transform:rotate(-5deg)}.logo-text{background:var(--gradient-bandera);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-menu{display:flex;list-style:none;gap:var(--space-1);margin:0;padding:0}.nav-menu li{margin:0}.nav-menu a{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);font-family:var(--font-heading);font-size:var(--text-sm);font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--gris-800);border-radius:var(--radius-lg);transition:all var(--transition-fast);position:relative;overflow:hidden}.nav-menu a:before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-light-red);opacity:0;transition:opacity var(--transition-fast);z-index:-1}.nav-menu a:hover{color:var(--rojo-peru-primary);background:var(--gradient-light-red);transform:translateY(-2px);text-decoration:none}.nav-menu a:hover:before{opacity:1}.nav-menu a.active{background:var(--gradient-bandera);color:var(--blanco-peru);box-shadow:var(--shadow-base)}.nav-menu a i{font-size:var(--text-base);opacity:var(--opacity-70)}.nav-menu a.active i,.nav-menu a:hover i{opacity:var(--opacity-100)}.header-actions{display:flex;align-items:center;gap:var(--space-3)}.header-actions a,.header-actions button{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--gris-100);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);color:var(--gris-700);font-size:var(--text-lg);cursor:pointer;transition:all var(--transition-fast)}.header-actions a:hover,.header-actions button:hover{background:var(--gradient-bandera);color:var(--blanco-peru);border-color:var(--rojo-peru-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.header-actions a:active,.header-actions button:active{transform:translateY(0)}.search-btn{position:relative}.search-btn.active{background:var(--rojo-peru-primary);color:var(--blanco-peru);border-color:var(--rojo-peru-primary)}.submit-news{background:var(--gradient-oro);color:var(--gris-900);border-color:var(--oro-inca);box-shadow:var(--shadow-gold)}.submit-news:hover{background:var(--oro-inca-dark);color:var(--blanco-peru);border-color:var(--oro-inca-dark)}.search-bar-container{max-height:0;overflow:hidden;background:var(--gradient-light-blue);border-bottom:1px solid var(--color-border-light);transition:all var(--transition-base);opacity:0}.search-bar-container.active{max-height:100px;padding:var(--space-5) 0;opacity:1}.search-form{display:flex;gap:var(--space-3);max-width:600px;margin:0 auto}.search-form input{flex:1;padding:var(--space-3) var(--space-5);font-size:var(--text-base);border:2px solid var(--color-border-base);border-radius:var(--radius-lg);background:var(--blanco-peru);transition:all var(--transition-fast)}.search-form input:focus{outline:0;border-color:var(--rojo-peru-primary);box-shadow:0 0 0 3px var(--rojo-peru-lighter)}.search-form button{padding:var(--space-3) var(--space-6);background:var(--gradient-bandera);color:var(--blanco-peru);border:none;border-radius:var(--radius-lg);font-family:var(--font-heading);font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:var(--tracking-wide);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-base)}.search-form button:hover{background:var(--rojo-peru-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.search-form button i{margin-right:var(--space-2)}.mobile-menu-btn{display:none}@media (min-width:1025px){.mobile-menu-btn{display:none!important}}.mobile-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:var(--blanco-peru);z-index:var(--z-modal);padding:var(--space-6);overflow-y:auto;transform:translateX(-100%);transition:transform var(--transition-base);box-shadow:2px 0 10px rgba(0,0,0,.1)}.mobile-menu.active{display:block!important;transform:translateX(0)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:calc(var(--z-modal) - 1);opacity:0;transition:opacity var(--transition-base)}.mobile-menu-overlay.active{display:block;opacity:1}.mobile-menu-close{position:absolute;top:var(--space-4);right:var(--space-4);width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--rojo-peru-primary);color:var(--blanco-peru);border:none;border-radius:var(--radius-lg);font-size:var(--text-xl);cursor:pointer}.mobile-nav-menu{list-style:none;margin-top:var(--space-16)}.mobile-nav-menu li{border-bottom:1px solid var(--color-border-light)}.mobile-nav-menu a{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) 0;font-family:var(--font-heading);font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--gris-800);text-transform:uppercase}.mobile-nav-menu a:hover{color:var(--rojo-peru-primary);padding-left:var(--space-3)}.mobile-nav-menu a.active{color:var(--rojo-peru-primary);font-weight:var(--font-bold)}@media (max-width:1024px){.nav-menu{display:none}.mobile-menu-btn{display:flex!important}.mobile-menu{display:block}.header-content{gap:var(--space-4)}.logo{font-size:var(--text-3xl);flex:0 0 auto}.logo:before{width:40px;height:40px}.header-actions{flex:0 0 auto}}@media (min-width:769px) and (max-width:1024px){.top-bar .container{flex-wrap:nowrap}.breaking-news{flex:1;min-width:0}.breaking-news span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions a,.header-actions button{width:42px;height:42px}}@media (max-width:768px){.top-bar{padding:var(--space-2) 0}.top-bar .container{flex-wrap:wrap;justify-content:center;gap:var(--space-2)}.date-display{font-size:var(--text-xs);order:1;width:100%;justify-content:center}.breaking-news{font-size:var(--text-xs);order:2;width:100%;justify-content:center;text-align:center;padding:0 var(--space-3)}.breaking-news span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.top-bar-social{order:3;width:auto}.main-header{padding:var(--space-3) 0}.header-content{gap:var(--space-3)}.logo{font-size:var(--text-2xl);flex-shrink:0}.logo:before{width:35px;height:35px}.header-actions{gap:var(--space-2);flex-shrink:0}.header-actions a,.header-actions button{width:40px;height:40px;font-size:var(--text-base)}.search-form{flex-direction:column;padding:0 var(--space-4)}.search-form button{width:100%}}@media (max-width:480px){.top-bar{padding:var(--space-1) 0}.top-bar .container{gap:var(--space-1)}.date-display{font-size:10px;padding:var(--space-1) 0}.date-display i{font-size:10px}.breaking-news{font-size:10px;padding:var(--space-1) var(--space-2)}.breaking-news span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-bar-social{gap:var(--space-2)}.top-bar-social a{font-size:12px}.main-header{padding:var(--space-2) 0}.container{padding:0 var(--space-3)}.header-content{gap:var(--space-2)}.logo{font-size:var(--text-xl);gap:var(--space-1)}.logo:before{width:28px;height:28px}.header-actions{gap:var(--space-1)}.header-actions a,.header-actions button{width:36px;height:36px;font-size:var(--text-sm)}.submit-news{display:none}.search-form{padding:0 var(--space-3)}.search-form input{font-size:var(--text-sm);padding:var(--space-2) var(--space-3)}.search-form button{padding:var(--space-2);font-size:var(--text-sm)}}@media (min-width:1025px){header.sticky-optimized .top-bar{display:none}header.sticky-optimized .main-header{padding:var(--space-2) 0}header.sticky-optimized .logo{font-size:var(--text-3xl)}header.sticky-optimized .logo:before{width:40px;height:40px}}.header-actions button:focus,.mobile-menu-btn:focus,.nav-menu a:focus,.search-form button:focus,.search-form input:focus{outline:2px solid var(--rojo-peru-primary);outline-offset:2px}.skip-to-content{position:absolute;top:-100px;left:0;background:var(--rojo-peru-primary);color:var(--blanco-peru);padding:var(--space-3) var(--space-5);text-decoration:none;border-radius:0 0 var(--radius-lg) 0;z-index:var(--z-top);transition:top var(--transition-fast)}.skip-to-content:focus{top:0}@media print{header{position:static;box-shadow:none}.header-actions,.mobile-menu-btn,.search-bar-container,.top-bar{display:none!important}.main-header{border-bottom:2px solid var(--gris-900)}}.dark-mode-toggle-container{display:inline-flex;align-items:center;margin-left:var(--space-3);gap:var(--space-2)}.dark-mode-toggle{background:0 0;border:2px solid rgba(255,255,255,.3);border-radius:20px;width:50px;height:26px;padding:2px;cursor:pointer;position:relative;transition:all .3s ease;display:flex;align-items:center}.dark-mode-toggle:hover{border-color:rgba(255,255,255,.5);transform:scale(1.05)}.dark-mode-toggle:focus{outline:2px solid var(--blanco-peru);outline-offset:2px}.toggle-indicator{display:block;width:20px;height:20px;background:var(--blanco-peru);border-radius:50%;transition:transform .3s ease;box-shadow:0 2px 4px rgba(0,0,0,.2);position:relative;z-index:2}.dark-mode-toggle .fa-sun{position:absolute;left:6px;top:50%;transform:translateY(-50%);font-size:12px;color:#fdb813;pointer-events:none;z-index:1}.dark-mode-toggle .fa-moon{position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:12px;color:#4a90e2;pointer-events:none;z-index:1}[data-theme=dark] .dark-mode-toggle{background:rgba(74,144,226,.2);border-color:rgba(74,144,226,.5)}[data-theme=dark] .toggle-indicator{transform:translateX(24px)}@media (max-width:768px){.dark-mode-toggle-container{margin-left:var(--space-2)}.dark-mode-toggle{width:45px;height:24px}.toggle-indicator{width:18px;height:18px}[data-theme=dark] .toggle-indicator{transform:translateX(21px)}}@media (max-width:480px){.dark-mode-toggle{width:42px;height:22px}.toggle-indicator{width:16px;height:16px}[data-theme=dark] .toggle-indicator{transform:translateX(20px)}.dark-mode-toggle .fa-moon,.dark-mode-toggle .fa-sun{font-size:10px}}[data-theme=dark] header{background:var(--color-bg-secondary);box-shadow:0 2px 8px rgba(0,0,0,.3)}[data-theme=dark] .main-header{background:var(--color-bg-secondary)}[data-theme=dark] .logo{color:var(--rojo-peru-light)}[data-theme=dark] .nav-menu a{color:var(--color-text-primary)}[data-theme=dark] .nav-menu a:hover{color:var(--rojo-peru-light)}[data-theme=dark] .search-btn,[data-theme=dark] .submit-news{color:var(--color-text-primary);text-shadow:2px 2px 4px rgba(0,0,0,.8),0 0 8px rgba(0,0,0,.5)}[data-theme=dark] .search-btn:hover,[data-theme=dark] .submit-news:hover{color:var(--rojo-peru-light);text-shadow:2px 2px 6px rgba(0,0,0,.9),0 0 10px rgba(217,16,35,.4)}[data-theme=dark] .search-btn.active{background:var(--rojo-peru-primary);color:var(--blanco-peru);border-color:var(--rojo-peru-primary);text-shadow:2px 2px 4px rgba(0,0,0,.8)}[data-theme=dark] .search-bar-container{background:var(--color-bg-tertiary)}[data-theme=dark] .search-form input{background:var(--color-bg-primary);color:var(--color-text-primary);border-color:var(--color-border-base)}[data-theme=dark] .mobile-menu{background:var(--color-bg-secondary)}[data-theme=dark] .mobile-nav-menu a{color:var(--color-text-primary);border-bottom-color:var(--color-border-light)}[data-theme=dark] .mobile-nav-menu a:hover{background:var(--color-bg-tertiary);color:var(--rojo-peru-light)}