/* ===================================================================
   CALCULADORA DESCUENTO DE FACTURAS
   calculadora-descuento-facturas.css | Silo: Negocios
   =================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');
.dfa-wrapper{font-family:'Inter','General Sans',-apple-system,sans-serif;color:var(--color-text,#1f2933);line-height:1.65;background:var(--color-bg,#faf8f3)}
.dfa-wrapper h1,.dfa-wrapper h2,.dfa-wrapper h3,.dfa-wrapper h4{font-family:'Montserrat','Satoshi',sans-serif;letter-spacing:-.02em;line-height:1.15;color:var(--color-text,#1f2933)}
.dfa-breadcrumb{background:var(--color-surface-2,#f6f3ee);border-bottom:1px solid var(--color-border,#d8dee4);padding:10px 0;font-size:.8rem;color:var(--color-text-muted,#5b6570)}
.dfa-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:4px;list-style:none;margin:0;padding:0 16px;max-width:1180px;margin-inline:auto}
.dfa-breadcrumb a{color:var(--color-primary,#0e7c86);text-decoration:none}
.dfa-breadcrumb a:hover{text-decoration:underline}
.dfa-bc-sep{color:var(--color-text-faint,#8a95a1);margin:0 2px}
.dfa-page-hero{background:linear-gradient(135deg,#052830 0%,#0a5961 50%,#0e7c86 100%);padding:52px 20px 60px;position:relative;overflow:hidden}
.dfa-page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 65% at 80% 40%,rgba(242,181,68,.14) 0%,transparent 55%),radial-gradient(ellipse 30% 50% at 5% 80%,rgba(14,124,134,.2) 0%,transparent 50%);pointer-events:none}
.dfa-page-hero-inner{max-width:900px;margin-inline:auto;position:relative;z-index:1}
.dfa-page-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(242,181,68,.18);border:1px solid rgba(242,181,68,.38);color:#f7d07a;font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:16px;letter-spacing:.5px;text-transform:uppercase}
.dfa-page-hero h1{font-size:clamp(1.4rem,3.5vw,2.3rem);font-weight:800;color:#fff;line-height:1.12;margin:0 0 16px}
.dfa-page-hero-desc{font-size:.95rem;color:rgba(255,255,255,.78);line-height:1.7;max-width:700px;margin:0 0 24px}
.dfa-hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.dfa-hero-tag{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.88);font-size:.75rem;font-weight:500;padding:4px 12px;border-radius:20px}
.dfa-calc-section{max-width:1180px;margin-inline:auto;padding:32px 16px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.calc-inputs-panel,.calc-results-panel{background:var(--color-surface,#fff);border:1px solid var(--color-border,#d8dee4);border-radius:14px;padding:24px;box-shadow:0 2px 12px rgba(14,124,134,.06)}
.dfa-country-row{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--color-border,#d8dee4)}
.pais-label{font-size:.8rem;font-weight:700;color:var(--color-text-muted,#5b6570);white-space:nowrap}
.pais-select{flex:1;min-height:42px;font-size:.9rem;font-weight:600;border:1.5px solid var(--color-border,#d8dee4);border-radius:8px;background:var(--color-surface,#fff);color:var(--color-text,#1f2933);padding:0 12px;cursor:pointer}
.pais-select:focus{outline:none;border-color:var(--color-primary,#0e7c86);box-shadow:0 0 0 3px rgba(14,124,134,.12)}
.dfa-mode-nav{display:flex;gap:5px;margin-bottom:14px;background:var(--color-surface-2,#f6f3ee);border-radius:10px;padding:4px}
.mode-btn{flex:1;padding:9px 4px;border:none;border-radius:7px;background:transparent;cursor:pointer;font-family:'Montserrat',sans-serif;font-size:.68rem;font-weight:700;color:var(--color-text-muted,#5b6570);transition:all .18s;text-align:center;line-height:1.3}
.mode-btn.active{background:var(--color-primary,#0e7c86);color:#fff;box-shadow:0 2px 8px rgba(14,124,134,.2)}
.mode-btn:hover:not(.active){color:var(--color-primary,#0e7c86)}
.dfa-mode-hint{font-size:.76rem;color:var(--color-text-muted,#5b6570);background:var(--color-surface-alt,#eef2f4);border-radius:7px;padding:8px 12px;margin-bottom:12px;border-left:3px solid var(--color-primary,#0e7c86);display:none}
.dfa-mode-hint.visible{display:block}
.dfa-ley-ref{font-size:.72rem;color:var(--color-text-muted,#5b6570);background:var(--color-surface-2,#f6f3ee);border-radius:6px;padding:6px 10px;margin-bottom:12px;line-height:1.5}
.dfa-ley-ref a{color:var(--color-primary,#0e7c86)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{display:grid;gap:5px}
.form-group--full{grid-column:1/-1}
label{font-size:.8rem;font-weight:700;color:var(--color-text,#1f2933)}
.calc-input,.calc-select{min-height:45px;width:100%;border:1.5px solid var(--color-border,#d8dee4);border-radius:8px;background:var(--color-surface,#fff);color:var(--color-text,#1f2933);padding:.65rem .9rem;font-size:.88rem;transition:border-color .18s,box-shadow .18s;font-family:inherit}
.calc-input:focus,.calc-select:focus{outline:none;border-color:var(--color-primary,#0e7c86);box-shadow:0 0 0 3px rgba(14,124,134,.12)}
.input-hint{font-size:.72rem;color:var(--color-text-faint,#8a95a1);line-height:1.4}
.dfa-error-msg{background:#fff0f0;border:1px solid #e08080;border-radius:8px;padding:10px 14px;font-size:.82rem;color:#8b0000;margin-bottom:12px}
.dfa-portafolio-table{width:100%;border-collapse:collapse;font-size:.8rem;margin-bottom:8px}
.dfa-portafolio-table th{background:var(--color-primary,#0e7c86);color:#fff;padding:6px 8px;font-family:'Montserrat',sans-serif;font-size:.68rem;font-weight:700;text-align:left}
.dfa-portafolio-table td{padding:6px 4px;border-bottom:1px solid var(--color-border,#d8dee4)}
.dfa-portafolio-table input{width:100%;padding:4px 6px;border:1px solid var(--color-border,#d8dee4);border-radius:5px;font-size:.8rem;min-height:36px}
.dfa-portafolio-table input:focus{outline:none;border-color:var(--color-primary,#0e7c86)}
.calc-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.dfa-btn-calc{width:100%;min-height:50px;background:var(--color-primary,#0e7c86);color:#fff;border:none;border-radius:10px;font-family:'Montserrat',sans-serif;font-size:1rem;font-weight:800;cursor:pointer;letter-spacing:.02em;transition:background .18s,transform .15s,box-shadow .18s;box-shadow:0 4px 14px rgba(14,124,134,.2)}
.dfa-btn-calc:hover{background:var(--color-primary-hover,#0a5961);transform:translateY(-1px);box-shadow:0 6px 20px rgba(14,124,134,.3)}
.dfa-action-row{display:flex;gap:10px;flex-wrap:wrap}
.dfa-btn-pdf,.dfa-btn-wa{flex:1;min-height:44px;border-radius:8px;font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:700;border:none;cursor:pointer;transition:all .18s;display:flex;align-items:center;justify-content:center;gap:6px}
.dfa-btn-pdf{background:var(--color-surface-2,#f6f3ee);border:1.5px solid var(--color-border,#d8dee4);color:var(--color-text,#1f2933)}
.dfa-btn-pdf:hover{border-color:var(--color-primary,#0e7c86);color:var(--color-primary,#0e7c86)}
.dfa-btn-wa{background:#25d366;color:#fff}
.dfa-btn-wa:hover{background:#1da851}
.ad-container{min-height:1px;margin:12px 0}
.results-placeholder{text-align:center;padding:48px 20px;color:var(--color-text-muted,#5b6570)}
.ph-ico{font-size:2.8rem;margin-bottom:12px}
.ph-sub{font-size:.82rem;margin-top:6px;color:var(--color-text-faint,#8a95a1)}
.dfa-result-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:20px;font-size:.75rem;font-weight:700;font-family:'Montserrat',sans-serif;margin-bottom:14px}
.badge-ok{background:rgba(31,138,76,.12);color:#1f8a4c}
.badge-info{background:rgba(14,124,134,.12);color:#0a5961}
.badge-warn{background:rgba(242,181,68,.15);color:#7a5c10}
.result-main-card{background:linear-gradient(135deg,var(--color-accent-soft,#f7e7c6),rgba(255,255,255,.6));border:1px solid rgba(242,181,68,.35);border-radius:12px;padding:18px;margin-bottom:14px}
.result-label{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary-active,#08464c);margin-bottom:4px}
.result-main-value{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--color-text,#1f2933);line-height:1}
.result-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--color-text-muted,#5b6570);margin-top:10px}
.result-meta strong{color:var(--color-text,#1f2933)}
.result-breakdown{background:var(--color-surface-2,#f6f3ee);border-radius:10px;padding:14px;margin-bottom:14px}
.result-row{display:flex;justify-content:space-between;font-size:.82rem;padding:6px 0;border-bottom:1px solid var(--color-border,#d8dee4);color:var(--color-text-muted,#5b6570)}
.result-row:last-child{border-bottom:none}
.result-row .rr-value{font-weight:700;color:var(--color-text,#1f2933);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.result-row.total-row{font-weight:800;font-family:'Montserrat',sans-serif}
.result-row.total-row .rr-value{color:var(--color-primary,#0e7c86)}
.result-row.cost-row .rr-value{color:#c0392b}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.compare-card{background:var(--color-surface-2,#f6f3ee);border:1.5px solid var(--color-border,#d8dee4);border-radius:10px;padding:14px}
.compare-card.winner{border-color:var(--color-success,#1f8a4c);background:rgba(31,138,76,.05)}
.compare-card-title{font-family:'Montserrat',sans-serif;font-size:.76rem;font-weight:800;margin-bottom:10px;color:var(--color-text,#1f2933)}
.compare-card-main{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.05rem;font-weight:800;color:#c0392b;margin-bottom:8px}
.compare-card-row{display:flex;justify-content:space-between;font-size:.75rem;padding:3px 0;color:var(--color-text-muted,#5b6570)}
.compare-card-row strong{color:var(--color-text,#1f2933)}
.dfa-saving{background:rgba(31,138,76,.08);border:1px solid rgba(31,138,76,.2);border-radius:8px;padding:10px 14px;font-size:.82rem;color:#1f8a4c;font-weight:700;margin-bottom:12px;text-align:center}
.dfa-port-table-wrap{overflow-x:auto;border-radius:8px;border:1px solid var(--color-border,#d8dee4);margin-bottom:12px}
.dfa-port-result-table{width:100%;border-collapse:collapse;font-size:.72rem}
.dfa-port-result-table th{background:var(--color-primary,#0e7c86);color:#fff;padding:6px 7px;text-align:right;font-family:'Montserrat',sans-serif;font-size:.64rem;font-weight:700}
.dfa-port-result-table th:first-child{text-align:center}
.dfa-port-result-table td{padding:5px 7px;border-bottom:1px solid var(--color-border,#d8dee4);color:var(--color-text-muted,#5b6570);text-align:right}
.dfa-port-result-table td:first-child{text-align:center;font-weight:700;color:var(--color-text,#1f2933)}
.dfa-port-result-table tr:last-child td{border-bottom:none;font-weight:700;background:var(--color-surface-alt,#eef2f4);color:var(--color-text,#1f2933)}
.dfa-chart-box{position:relative;height:220px;margin-bottom:14px}
.dfa-chart-title{font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:700;color:var(--color-text-muted,#5b6570);margin-bottom:8px;text-align:center}
.dfa-content-wrap{max-width:1180px;margin-inline:auto;padding:0 16px}
.dfa-content-section{padding:48px 0}
.dfa-content-alt{background:var(--color-surface-2,#f6f3ee);margin:0 -16px;padding:48px 16px}
.dfa-disclaimer-section{background:var(--color-surface-alt,#eef2f4);margin:0 -16px;padding:40px 16px}
.dfa-content-inner{max-width:900px;margin-inline:auto}
.dfa-content-inner h2{font-size:clamp(1.2rem,2.4vw,1.55rem);font-weight:800;margin:0 0 14px}
.dfa-content-inner h3{font-size:1.05rem;font-weight:700;color:var(--color-primary,#0e7c86);margin:26px 0 10px}
.dfa-content-inner p{font-size:.95rem;color:var(--color-text-muted,#5b6570);line-height:1.8;margin-bottom:14px}
.dfa-content-inner strong{color:var(--color-text,#1f2933);font-weight:600}
.dfa-link,.dfa-link-ext{color:var(--color-primary,#0e7c86);text-decoration:none}
.dfa-link:hover,.dfa-link-ext:hover{text-decoration:underline}
.dfa-examples-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.ex-card{background:var(--color-surface,#fff);border:1.5px solid var(--color-border,#d8dee4);border-radius:12px;padding:22px;box-shadow:0 2px 8px rgba(14,124,134,.05)}
.ex-card h4{font-size:.88rem;font-weight:800;color:var(--color-text,#1f2933);font-family:'Montserrat',sans-serif;margin:0 0 12px;line-height:1.3}
.ex-card p{font-size:.84rem;margin-bottom:10px}
.dfa-tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.tip-card{background:var(--color-surface,#fff);border:1.5px solid var(--color-border,#d8dee4);border-left:4px solid var(--color-accent,#f2b544);border-radius:0 12px 12px 0;padding:22px}
.tip-card h4{font-size:.88rem;font-weight:800;color:var(--color-text,#1f2933);font-family:'Montserrat',sans-serif;margin:0 0 10px}
.tip-card p{font-size:.84rem}
.dfa-faq-intro{font-size:.9rem;color:var(--color-text-muted,#5b6570);margin-bottom:24px}
.faq-item{border:1.5px solid var(--color-border,#d8dee4);border-radius:10px;margin-bottom:8px;overflow:hidden;background:var(--color-surface,#fff);transition:border-color .2s}
.faq-item[open]{border-color:var(--color-primary,#0e7c86)}
.faq-item summary{padding:16px 18px;cursor:pointer;font-family:'Montserrat',sans-serif;font-size:.86rem;font-weight:700;color:var(--color-text,#1f2933);line-height:1.4;list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';flex-shrink:0;font-size:1.3rem;color:var(--color-primary,#0e7c86);font-weight:400;transition:transform .3s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--color-primary,#0e7c86)}
.faq-body{padding:14px 18px 16px;font-size:.85rem;color:var(--color-text-muted,#5b6570);line-height:1.75;border-top:1px solid var(--color-border,#d8dee4)}
.faq-body a{color:var(--color-primary,#0e7c86)}
.faq-body strong{color:var(--color-text,#1f2933)}
.dfa-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:16px}
.dfa-related-card{background:var(--color-surface-2,#f6f3ee);border:1.5px solid var(--color-border,#d8dee4);border-radius:10px;padding:16px;display:flex;align-items:center;gap:12px;text-decoration:none;transition:all .2s}
.dfa-related-card:hover{background:var(--color-surface,#fff);border-color:var(--color-primary,#0e7c86);transform:translateY(-2px);box-shadow:0 4px 12px rgba(14,124,134,.1)}
.dfa-related-icon{font-size:1.5rem;width:42px;height:42px;background:var(--color-surface,#fff);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 1px 4px rgba(14,124,134,.08)}
.dfa-related-name{font-family:'Montserrat',sans-serif;font-size:.82rem;font-weight:700;color:var(--color-text,#1f2933);display:block;line-height:1.3}
.dfa-related-desc{font-size:.72rem;color:var(--color-text-faint,#8a95a1);display:block;margin-top:3px}
@media(max-width:900px){.dfa-examples-grid,.dfa-tips-grid{grid-template-columns:1fr 1fr}.compare-grid{grid-template-columns:1fr}}
@media(max-width:768px){.calc-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.dfa-examples-grid,.dfa-tips-grid{grid-template-columns:1fr}.dfa-mode-nav{flex-direction:column}.dfa-action-row{flex-direction:column}.dfa-page-hero{padding:36px 16px 44px}}