/* Guía Previsional Chile — sistema "Civic Editorial Clarity" */
:root{
  --primary:#1F3A5F;--primary-deep:#032448;--primary-hover:#162A45;
  --secondary:#0284C7;--tertiary:#0EA5E9;
  --bg:#F8FAFC;--subtle:#F1F5F9;--card:#FFFFFF;--border:#E2E8F0;--border-strong:#CBD5E1;
  --text:#0F172A;--muted:#475569;--muted-2:#64748B;
  --warn-bg:#FEF3C7;--warn-border:#FDE68A;--warn-text:#92400E;--warn-icon:#D97706;
  --success:#059669;--success-bg:#ECFDF5;--success-border:#A7F3D0;
  --info-bg:#EFF6FF;--info-border:#BFDBFE;
  --radius-sm:4px;--radius:6px;--radius-lg:8px;--radius-xl:12px;
  --shadow:0 1px 3px 0 rgba(15,23,42,.06),0 1px 2px -1px rgba(15,23,42,.06);
  --shadow-md:0 4px 12px -2px rgba(15,23,42,.08),0 2px 4px -2px rgba(15,23,42,.05);
  --container:1120px;--prose:768px;
  --font:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.625;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}
img{max-width:100%;height:auto;display:block}
a{color:var(--secondary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--primary)}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{color:var(--primary);line-height:1.25;margin:0}
h1{font-size:30px;line-height:38px;font-weight:800;letter-spacing:-.02em}
h2{font-size:24px;line-height:32px;font-weight:700;letter-spacing:-.015em}
h3{font-size:18px;line-height:26px;font-weight:600}
p{margin:0 0 1rem}
strong{font-weight:700;color:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:8px;top:-60px;background:var(--primary);color:#fff;padding:8px 14px;border-radius:var(--radius);z-index:100;text-decoration:none}
.skip-link:focus{top:8px;color:#fff}
.icon{width:20px;height:20px;flex-shrink:0;display:inline-block;vertical-align:middle}
.icon-sm{width:16px;height:16px}

/* ---------- Cabecera ---------- */
.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--primary);font-weight:700;font-size:16px;min-width:0;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--primary)}
.brand-mark{width:36px;height:36px;border-radius:var(--radius-lg);display:block}
.nav-toggle{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);color:var(--primary);font:600 14px/1 var(--font);padding:9px 12px;cursor:pointer}
.nav-toggle .icon-close{display:none}
.nav-open .nav-toggle .icon-open{display:none}
.nav-open .nav-toggle .icon-close{display:inline-block}
.main-nav{display:none}
.nav-open .main-nav{display:block;position:absolute;left:0;right:0;top:64px;background:var(--card);border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);max-height:calc(100vh - 64px);overflow:auto}
.nav-list{list-style:none;margin:0;padding:8px 16px 16px}
.nav-list>li{border-bottom:1px solid var(--subtle)}
.nav-link{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 4px;color:var(--muted);font:600 15px/20px var(--font);text-decoration:none;background:none;border:0;cursor:pointer;text-align:left}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--primary)}
.nav-link[aria-current="page"]{color:var(--secondary)}
.dropdown-menu{list-style:none;margin:0;padding:0 0 8px 12px;display:none}
.dropdown.open .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:8px 4px;color:var(--muted);font-size:15px;text-decoration:none}
.dropdown-menu a:hover,.dropdown-menu a[aria-current="page"]{color:var(--secondary)}
.chev{transition:transform .15s}
.dropdown.open .chev{transform:rotate(180deg)}
.site-header .header-cta{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 14px/20px var(--font);padding:10px 18px;border-radius:var(--radius);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-secondary{background:var(--card);color:var(--primary);border-color:var(--border)}
.btn-secondary:hover{background:var(--subtle);color:var(--primary)}
.btn-sm{padding:7px 12px;font-size:13px}

@media (min-width:1024px){
  .nav-toggle{display:none}
  .main-nav,.nav-open .main-nav{display:block;position:static;box-shadow:none;border:0;max-height:none;overflow:visible;background:none}
  .nav-list{display:flex;align-items:center;gap:4px;padding:0}
  .nav-list>li{border:0;position:relative}
  .nav-link{padding:8px 10px;font-size:14px;border-bottom:2px solid transparent;border-radius:0;gap:4px}
  .nav-link[aria-current="page"]{border-bottom-color:var(--secondary)}
  .dropdown-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:6px}
  .dropdown-menu::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
  .dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.dropdown.open .dropdown-menu{display:block}
  .dropdown-menu a{padding:8px 12px;border-radius:var(--radius)}
  .dropdown-menu a:hover{background:var(--subtle)}
}
@media (min-width:1200px){.site-header .header-cta{display:inline-flex}.nav-link{padding:8px 12px}}

/* ---------- Aviso no oficial ---------- */
.aviso-no-oficial{background:var(--warn-bg);border-bottom:1px solid var(--warn-border);color:var(--warn-text);font-size:14px;line-height:22px;font-weight:500}
.aviso-no-oficial .container{display:flex;align-items:flex-start;gap:10px;padding-top:10px;padding-bottom:10px}
.aviso-no-oficial .icon{color:var(--warn-icon);margin-top:1px}
.aviso-no-oficial p{margin:0}

/* ---------- Cabecera de página ---------- */
.page-head{background:var(--card);border-bottom:1px solid var(--border);padding:24px 0 28px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;font-size:13px;color:var(--muted-2)}
.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--border-strong)}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--secondary);text-decoration:underline}
.page-head h1{max-width:900px}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-sm);background:var(--subtle);border:1px solid var(--border);color:#334155;font-size:12px;font-weight:600;line-height:16px;letter-spacing:.02em}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}
.chip-warn{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}

/* ---------- Layout de guía ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding-top:32px;padding-bottom:56px}
@media (min-width:1024px){.layout{grid-template-columns:minmax(0,var(--prose)) 1fr;gap:48px}.layout-single{grid-template-columns:minmax(0,var(--prose))}}
.sidebar{display:none}
@media (min-width:1024px){.sidebar{display:block}.sidebar-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px}
.side-card h2{font-size:13px;line-height:18px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{margin:0}
.toc a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--border);color:var(--muted);text-decoration:none;font-size:14px;line-height:20px}
.toc a:hover{color:var(--secondary);border-left-color:var(--secondary)}
.side-card-dark{background:var(--primary);border-color:var(--primary);color:#dbe4f0}
.side-card-dark h2{color:#fff;text-transform:none;letter-spacing:-.01em;font-size:18px;line-height:24px}
.side-card-dark p{font-size:14px;line-height:22px;margin-bottom:14px}
.side-card-dark .btn{background:#fff;color:var(--primary);width:100%}
.side-card-dark .btn:hover{background:var(--subtle)}

/* ---------- Contenido (prose) ---------- */
.prose{font-size:17px;line-height:1.7;min-width:0}
.prose>*{max-width:68ch}
.prose>.table-wrap,.prose>figure,.prose>.faq,.prose>.cta-box,.prose>.callout,.prose>.review,.prose>.steps{max-width:none}
.prose h2{font-size:24px;line-height:32px;margin:2.5rem 0 1rem;scroll-margin-top:88px}
.prose h3{margin:1.75rem 0 .75rem;color:var(--primary)}
.prose ul{padding-left:1.25rem;margin:0 0 1.25rem}
.prose ul li{margin:.4rem 0;padding-left:.25rem}
.prose ul li::marker{color:var(--secondary)}
.featured{margin:0 0 24px;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border);background:var(--card)}
.featured img{width:100%;aspect-ratio:1200/630;object-fit:cover}
figure{margin:1.5rem 0}
figure.body-img{border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;background:var(--card)}
figcaption{font-size:13px;line-height:20px;color:var(--muted-2);padding:10px 14px;border-top:1px solid var(--border);text-align:center}

.callout{display:flex;gap:12px;padding:14px 16px;border-radius:var(--radius);border:1px solid;margin:0 0 1.5rem;font-size:15px;line-height:24px}
.callout p{margin:0}
.callout-warn{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}
.callout-warn .icon{color:var(--warn-icon);margin-top:2px}
.callout-info{background:var(--info-bg);border-color:var(--info-border);color:#1e3a5f}
.callout-info .icon{color:var(--secondary);margin-top:2px}

/* Pasos */
.steps{list-style:none;padding:0;margin:0 0 1.5rem;counter-reset:step}
.steps>li{position:relative;counter-increment:step;padding:0 0 18px 44px;margin:0}
.steps>li::before{content:counter(step);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;background:var(--secondary);color:#fff;font:700 14px/28px var(--font);text-align:center}
.steps>li::after{content:"";position:absolute;left:13px;top:34px;bottom:4px;width:2px;background:var(--border)}
.steps>li:last-child{padding-bottom:0}
.steps>li:last-child::after{display:none}

/* Tablas */
.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--card);margin:0 0 1.5rem;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15px;line-height:22px}
th{background:var(--subtle);color:var(--muted);text-transform:uppercase;font-size:12px;line-height:16px;letter-spacing:.05em;font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600;color:var(--primary)}
@media (max-width:640px){table{min-width:560px}}
tr.is-match td{background:#F0F9FF}
tr[hidden]{display:none}

/* CTA oficial */
.cta-box{display:flex;flex-direction:column;gap:12px;padding:18px;border:1px solid var(--border);background:var(--card);border-radius:var(--radius-lg);margin:0 0 1.75rem;box-shadow:var(--shadow)}
.cta-box p{margin:0;font-size:15px;line-height:22px;color:var(--muted)}
.cta-box .btns{display:flex;flex-wrap:wrap;gap:10px}
@media (min-width:640px){.cta-box{flex-direction:row;align-items:center;justify-content:space-between}}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px;margin:0 0 1.5rem}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;font-weight:600;color:var(--primary);font-size:16px;line-height:24px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{color:var(--muted-2)}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq .answer{padding:0 18px 16px;color:#334155;font-size:16px;line-height:26px}
.faq .answer p{margin:0}

.review{display:flex;gap:10px;align-items:flex-start;margin-top:2.5rem;padding:14px 16px;background:var(--subtle);border:1px solid var(--border);border-radius:var(--radius);font-size:14px;line-height:22px;color:var(--muted)}
.review .icon{color:var(--success)}
.review p{margin:0}
.ext{white-space:nowrap}
.ext .icon{width:14px;height:14px;margin-left:2px;vertical-align:-1px}

/* ---------- Portada ---------- */
.hero{background:var(--card);border-bottom:1px solid var(--border);padding:32px 0 40px}
.hero-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.hero{padding:56px 0}.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.hero .lead{font-size:18px;line-height:28px;color:var(--muted);margin:18px 0 20px}
.hero-figure{margin:0;border-radius:16px;padding:8px;background:linear-gradient(180deg,var(--subtle),var(--border));border:1px solid var(--border)}
.hero-figure img{border-radius:12px;width:100%;aspect-ratio:1200/630;object-fit:cover}
.hero-figure figcaption{border:0;padding:10px 6px 4px}
.finder{margin-top:4px;padding:16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-xl)}
.finder label{display:block;font-weight:600;font-size:14px;color:var(--primary);margin-bottom:8px}
.finder-row{display:flex;flex-direction:column;gap:8px}
.finder-input{position:relative;flex:1}
.finder-input .icon{position:absolute;left:12px;top:12px;color:var(--muted-2)}
.finder input{width:100%;height:44px;padding:0 14px 0 40px;border:1px solid var(--border-strong);border-radius:var(--radius);font:400 15px var(--font);color:var(--text);background:#fff}
.finder input:focus{outline:2px solid var(--secondary);outline-offset:0;border-color:var(--secondary)}
.finder .btn{height:44px}
.finder-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px;font-size:12px;color:var(--muted-2);font-weight:600}
.tag-btn{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:4px 10px;font:600 12px/16px var(--font);color:var(--primary);cursor:pointer}
.tag-btn:hover{background:var(--subtle)}
.finder-msg{margin:10px 0 0;font-size:14px;color:var(--muted)}
@media (min-width:640px){.finder-row{flex-direction:row}}
.trust{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.trust div{display:flex;align-items:center;gap:8px;padding:10px;border-radius:var(--radius-lg);background:var(--subtle);border:1px solid var(--border);font-size:13px;font-weight:600;line-height:18px}
.trust .t1 .icon{color:var(--success)}.trust .t2 .icon{color:var(--secondary)}.trust .t3 .icon{color:var(--warn-icon)}
@media (min-width:640px){.trust{grid-template-columns:repeat(3,1fr)}}
.hero .callout{margin:18px 0 0}

.band{padding:48px 0;border-bottom:1px solid var(--border)}
.band-white{background:var(--card)}
.band-head{max-width:760px;margin-bottom:24px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--secondary);font-weight:600;font-size:14px;margin-bottom:6px}
.band-head p{color:var(--muted);margin:10px 0 0}
.band .prose{max-width:var(--prose)}
.band-wide .prose{max-width:none}
.band-wide .prose>*{max-width:none}
@media (min-width:1024px){h1{font-size:40px;line-height:48px;letter-spacing:-.025em}.band h2,.band-head h2{font-size:32px;line-height:40px}.band{padding:64px 0}}

.afp-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:640px){.afp-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.afp-grid{grid-template-columns:repeat(4,1fr)}}
.afp-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:16px;box-shadow:var(--shadow);transition:border-color .15s}
.afp-card:hover{border-color:var(--secondary)}
.afp-card .top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.afp-name{padding:2px 10px;border-radius:var(--radius-sm);background:var(--subtle);border:1px solid var(--border);color:var(--primary);font-weight:700;font-size:14px}
.badge{padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid}
.badge-green{background:var(--success-bg);color:var(--success);border-color:var(--success-border)}
.badge-blue{background:var(--info-bg);color:var(--secondary);border-color:var(--info-border)}
.badge-amber{background:var(--warn-bg);color:var(--warn-text);border-color:var(--warn-border)}
.afp-card h3{margin-bottom:6px;font-size:17px}
.afp-card p{font-size:14px;line-height:22px;color:var(--muted);margin:0}
.afp-card .actions{border-top:1px solid var(--border);padding-top:14px;display:flex;flex-direction:column;gap:10px}
.afp-card .guide-link{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14px;text-decoration:none}
.afp-card .btn{width:100%}
.afp-card-dark{background:var(--primary);border-color:var(--primary);color:#dbe4f0}
.afp-card-dark h3{color:#fff}.afp-card-dark p{color:#c7d3e3}
.afp-card-dark .afp-name{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:#fff}
.afp-card-dark .actions{border-color:rgba(255,255,255,.15)}
.afp-card-dark .guide-link{color:#fff}
.afp-card-dark .btn{background:#fff;color:var(--primary)}

.steps-cards{display:grid;gap:16px;list-style:none;padding:0;margin:0 0 24px;counter-reset:step}
@media (min-width:640px){.steps-cards{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.steps-cards{grid-template-columns:repeat(4,1fr)}}
.steps-cards li{counter-increment:step;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:20px;box-shadow:var(--shadow);font-size:15px;line-height:24px;color:var(--muted)}
.steps-cards li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius);background:var(--secondary);color:#fff;font-weight:700;margin-bottom:14px}
.steps-cards li strong{display:block;color:var(--primary);font-size:17px;margin-bottom:4px}

.tips{display:grid;gap:16px;list-style:none;padding:0;margin:0}
@media (min-width:640px){.tips{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.tips{grid-template-columns:repeat(3,1fr)}}
.tips li{display:flex;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;font-size:15px;line-height:24px;color:var(--muted)}
.tips li .icon{color:var(--success);margin-top:2px}
.tips li strong{color:var(--primary)}
.home-faq{max-width:840px;margin:0 auto}
.home-faq .band-head{text-align:center;margin:0 auto 24px}

/* ---------- Pie ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--border);padding:40px 0 24px;font-size:14px;line-height:22px;color:var(--muted);margin-top:auto}
.footer-top{display:grid;gap:28px}
@media (min-width:768px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand p{margin:14px 0 0}
.site-footer h2{font-size:13px;line-height:18px;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);margin-bottom:10px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 6px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:var(--secondary);text-decoration:underline}
.footer-bottom{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border);margin-top:28px;padding-top:18px;font-size:13px}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between}}

/* 404 */
.error-page{padding:64px 0;text-align:center}
.error-page .code{font-size:64px;font-weight:800;color:var(--border-strong);line-height:1}
.error-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
@media print{.site-header,.aviso-no-oficial,.sidebar,.site-footer nav{display:none}}