/* Tipografías del sistema: sin peticiones externas, sin implicaciones de privacidad, carga instantánea */
:root{
  --font-display: -apple-system, 'Segoe UI', system-ui, Roboto, Helvetica, Arial, sans-serif;
  --font-body: -apple-system, 'Segoe UI', system-ui, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}

:root{
  --bg: #0A0E17;
  --bg-alt: #0E1220;
  --surface: rgba(255,255,255,0.045);
  --surface-strong: rgba(255,255,255,0.08);
  --border-glass: rgba(255,255,255,0.11);
  --text: #E9EEF7;
  --text-soft: #8D9BB5;
  --accent1: #6366F1;
  --accent2: #22D3EE;
  --accent3: #A855F7;
  --scenario-a: #22D3EE;
  --scenario-b: #818CF8;
  --scenario-c: #FB7185;
  --line: rgba(255,255,255,0.10);
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; overflow-x: hidden; max-width: 100%; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100%;
}
/* fondo estático con degradados suaves (sin animación ni blur, para evitar glitches en móvil) */
body{
  background-image:
    radial-gradient(circle at 8% 0%, rgba(99,102,241,0.16), transparent 40%),
    radial-gradient(circle at 95% 100%, rgba(34,211,238,0.14), transparent 40%),
    radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 26px 26px, auto;
  background-repeat: no-repeat, no-repeat, repeat, no-repeat;
  background-attachment: scroll, scroll, scroll, scroll;
}

.wrap{ max-width: 900px; margin:0 auto; padding: 0 24px 60px; position:relative; z-index:1; }
a{ color: var(--accent2); }
a:hover{ color: var(--accent1); }
::selection{ background: var(--accent1); color:#fff; }
::-webkit-scrollbar{ width:8px; }
::-webkit-scrollbar-thumb{ background: var(--accent1); border-radius:4px; }

/* NAV */
nav.site-nav{
  display:flex; justify-content:space-between; align-items:center;
  padding: 20px 24px; border-bottom: 1px solid var(--line); flex-wrap:wrap; gap:12px;
  background: var(--bg);
}
.brand{
  font-family:var(--font-display); font-weight:700; font-size:1.15rem; text-decoration:none;
  color: var(--text);
}
.brand span{
  background: linear-gradient(90deg, var(--accent2), var(--accent3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.nav-links{ display:flex; gap:8px; font-family:var(--font-display); font-weight:600; font-size:0.88rem; }
.nav-links a{
  color: var(--text-soft); text-decoration:none; padding: 8px 16px; border-radius: 999px;
  transition: all .2s ease;
}
.nav-links a:hover{ color: var(--text); background: var(--surface-strong); }

.title-block{ display:none; }

/* BREADCRUMB */
.breadcrumb{
  padding: 16px 24px 0; font-family:var(--font-mono); font-size:0.75rem; color: var(--text-soft);
  position:relative; z-index:1;
}
.breadcrumb a{ color: var(--text-soft); text-decoration:none; }
.breadcrumb a:hover{ color: var(--accent2); }

/* HERO */
.hero{ padding: 44px 24px 10px; }
h1{
  font-family:var(--font-display); font-weight:700;
  font-size: clamp(1.9rem, 4.6vw, 2.8rem); letter-spacing:-0.02em; max-width: 20ch;
  background: linear-gradient(100deg, var(--text) 30%, var(--accent2) 65%, var(--accent3) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1.15;
}
.hero p.lead{ margin-top:14px; color:var(--text-soft); max-width:56ch; font-size:1.05rem; }

.stat-strip{ display:flex; gap:10px; flex-wrap:wrap; margin: 22px 24px 0; }
.stat-chip{
  font-family:var(--font-mono); font-size:0.75rem; color: var(--text-soft);
  border: 1px solid var(--line); background: var(--surface); padding: 7px 14px; border-radius: 999px;
}
.stat-chip b{ color: var(--accent2); }

/* TABS */
.tabs{
  display:flex; gap: 4px; margin: 30px 24px 0; padding: 4px;
  border: 1px solid var(--line); background: var(--surface); border-radius: 999px;
  width: fit-content; font-family:var(--font-display); font-size: 0.85rem; font-weight:600;
}
.tab{
  padding: 10px 20px; cursor:pointer; color: var(--text-soft); background: transparent;
  border-radius: 999px; transition: all .25s ease;
}
.tab:focus-visible{ outline: 2px solid var(--accent2); outline-offset: 2px; }
.tab.active{
  background: linear-gradient(100deg, var(--accent1), var(--accent3));
  color: #fff; box-shadow: 0 4px 18px rgba(99,102,241,0.45);
}

.panel{
  margin: 20px 24px 0; background: rgba(255,255,255,0.055);
  border: 1px solid var(--border-glass); border-radius: 20px;
  padding: 32px; display:none;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.05);
}
.panel.active{ display:grid; grid-template-columns: 1fr 1fr; gap: 32px; animation: fadeIn .4s ease; }
.panel.active > *{ min-width: 0; }
.result-box{ min-width: 0; }
@keyframes fadeIn{ from{ opacity:0; transform: translateY(6px);} to{ opacity:1; transform:none; } }
@media (max-width:720px){ .panel.active{ grid-template-columns:1fr; } }

.field{ margin-bottom: 20px; }
.field label{ display:block; font-size:0.78rem; color: var(--text-soft); margin-bottom:6px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:0.04em;}
.field .row{ display:flex; align-items:center; gap:8px; }
.field input[type=number]{
  font-family:var(--font-mono); font-weight:600; font-size:1rem;
  border: 1px solid var(--line); border-radius:10px; padding:8px 12px; width:110px;
  background: rgba(255,255,255,0.05); color: var(--text);
}
.field input[type=number]:focus{ outline:none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(34,211,238,0.2); }

.field select{
  font-family:var(--font-body); font-weight:600; font-size:0.95rem;
  border: 1px solid var(--line); border-radius:10px; padding:9px 12px; width:100%;
  background: rgba(255,255,255,0.05); color: var(--text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238D9BB5'%3E%3Cpath d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 16px;
}
.field select:focus{ outline:none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(34,211,238,0.2); }
.field select option{ background: var(--bg-alt); color: var(--text); }

.field input[type=text], .field input[type=email], .field textarea{
  font-family:var(--font-body); font-size:0.95rem; width:100%;
  border: 1px solid var(--line); border-radius:10px; padding:10px 14px;
  background: rgba(255,255,255,0.05); color: var(--text);
}
.field textarea{ resize: vertical; min-height: 110px; }
.field input[type=text]:focus, .field input[type=email]:focus, .field textarea:focus{
  outline:none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(34,211,238,0.2);
}

/* selector de estrellas para el formulario de opiniones */
.estrellas{ display:flex; gap:8px; flex-direction:row-reverse; justify-content:flex-end; }
.estrellas input{ display:none; }
.estrellas label{ font-size:1.8rem; color: var(--line); cursor:pointer; transition: color .15s ease; }
.estrellas input:checked ~ label,
.estrellas label:hover,
.estrellas label:hover ~ label{ color: #FBBF24; }

.btn-enviar{
  font-family:var(--font-display); font-weight:700; font-size:0.95rem;
  background: linear-gradient(100deg, var(--accent1), var(--accent3)); color:#fff;
  border:none; border-radius:999px; padding:13px 30px; cursor:pointer;
}

.resena-card{
  background: var(--surface); border:1px solid var(--border-glass); border-radius:16px;
  padding: 22px; margin-bottom:16px;
}
.resena-card .resena-estrellas{ color:#FBBF24; letter-spacing:2px; margin-bottom:8px; }
.resena-card .resena-autor{ font-family:var(--font-display); font-weight:600; margin-top:10px; color:var(--text); }
.field input[type=range]{ width:100%; accent-color: var(--accent2); margin-top:10px; }
.field .unit{ color: var(--text-soft); font-size:0.85rem; }

.result-box{
  border: 1px solid var(--border-glass); padding: 22px; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent1), var(--accent3));
  color: #fff; box-shadow: 0 12px 40px rgba(99,102,241,0.35);
  position:relative; overflow:hidden;
}
.result-box .label{ font-family:var(--font-mono); font-size:0.7rem; text-transform:uppercase; letter-spacing:0.05em; color:rgba(255,255,255,0.75); }
.result-box .amount{
  font-family:var(--font-display); font-weight:700; font-size: clamp(1.4rem, 6vw, 2.3rem);
  margin-top:6px; overflow-wrap: anywhere; word-break: break-word; line-height:1.15;
}
.result-box .sub{ font-size:0.82rem; margin-top:12px; color:rgba(255,255,255,0.85); }
.result-box .breakdown{ margin-top: 14px; font-size: 0.85rem; display:flex; justify-content:space-between; border-top:1px solid rgba(255,255,255,0.25); padding-top:10px;}
.result-box .breakdown b{ display:block; font-family:var(--font-mono); font-size:0.95rem;}

.inflacion-box{
  margin-top: 12px; padding: 14px 16px; border-radius: 12px;
  background: rgba(224,102,44,0.10); border: 1px solid rgba(224,102,44,0.35);
  display:flex; align-items:flex-start; gap:10px;
}
.inflacion-box-icon{ font-size:1.2rem; line-height:1; }
.inflacion-box-texto{ font-size:0.85rem; color: var(--text); line-height:1.5; }
.inflacion-box-texto b{ color: var(--text); }
.inflacion-box.vacia{ display:none; }

/* Banner de cookies */
#bannerCookies{
  position: fixed; left:0; right:0; bottom:0; z-index: 200;
  background: var(--bg-alt); border-top: 1px solid var(--border-glass);
  padding: 16px 20px; display:flex; align-items:center; justify-content:space-between;
  gap: 16px; flex-wrap:wrap; box-shadow: 0 -8px 30px rgba(0,0,0,0.4);
}
.cookies-banner-texto{ color: var(--text-soft); font-size: 0.85rem; max-width: 640px; flex: 1; min-width: 220px; }
.cookies-banner-texto a{ color: var(--accent2); }
.cookies-banner-botones{ display:flex; gap:10px; }
.cookies-banner-botones button{
  font-family: var(--font-display); font-weight:600; font-size:0.85rem;
  border-radius:999px; padding:9px 18px; cursor:pointer; border:1px solid var(--line);
}
#btnCookiesAceptar{ background: linear-gradient(100deg, var(--accent1), var(--accent3)); color:#fff; border:none; }
#btnCookiesRechazar{ background: transparent; color: var(--text-soft); }

.chart-area{ margin-top: 20px; }
svg#chart{ width:100%; height:220px; overflow: visible; }
.legend{ display:flex; gap:16px; margin-top:10px; font-size:0.78rem; font-family:var(--font-mono); flex-wrap:wrap; color: var(--text-soft);}
.legend span{ display:flex; align-items:center; gap:6px; }
.dot{ width:9px; height:9px; border-radius:50%; display:inline-block; box-shadow: 0 0 8px currentColor; }

/* CONTENT / ARTICLES */
section.content{ padding: 10px 24px; }
h2{ font-family:var(--font-display); font-weight:600; font-size:1.4rem; margin: 34px 0 12px; color: var(--text); }
h3{ font-family:var(--font-display); font-weight:600; font-size:1.1rem; margin: 22px 0 8px; color: var(--text); }
section.content p{ color: var(--text-soft); max-width:68ch; margin-bottom:12px; line-height:1.7; }
section.content ul, section.content ol{ color: var(--text-soft); max-width:66ch; margin: 0 0 16px 22px; line-height:1.8; }
section.content li{ margin-bottom: 6px; }
section.content b{ color: var(--text); }
.annot{
  border-left: 3px solid var(--accent2); padding: 12px 18px; background: var(--surface);
  border-radius: 0 12px 12px 0;
  font-family:var(--font-mono); font-size:0.88rem; margin: 16px 0; max-width: 64ch; color: var(--text);
}

/* Llamada a la acción destacada dentro de las guías, hacia la herramienta relacionada */
.cta-guia{
  margin: 28px 24px; padding: 28px; border-radius: 18px; text-align:center;
  background: linear-gradient(135deg, var(--accent1), var(--accent3));
  box-shadow: 0 12px 40px rgba(99,102,241,0.3);
}
.cta-guia p.cta-texto{
  color: rgba(255,255,255,0.92); font-size:1.02rem; font-weight:600; margin-bottom:18px; max-width: 46ch; margin-left:auto; margin-right:auto;
}
.cta-guia .btn-cta{
  display:inline-block; background:#fff; color: var(--accent1); font-family:var(--font-display);
  font-weight:700; font-size:0.95rem; padding:13px 30px; border-radius:999px; text-decoration:none;
  transition: transform .15s ease;
}
.cta-guia .btn-cta:hover{ transform: translateY(-2px); }
table.year-table{ width:100%; border-collapse:collapse; font-size:0.85rem; margin-top:10px;}
table.year-table th{ text-align:left; color:var(--text-soft); font-family:var(--font-mono); font-size:0.72rem; text-transform:uppercase; border-bottom:1px solid var(--line); padding:9px 8px;}
table.year-table td{ padding:9px 8px; border-bottom:1px solid var(--line); font-family:var(--font-mono); color: var(--text);}
table.year-table tr:hover td{ background: var(--surface); }

.faq details{ border-bottom:1px solid var(--line); padding:15px 0; }
.faq summary{ cursor:pointer; font-weight:600; color: var(--text); list-style:none; font-family:var(--font-display);}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::before{ content:'▸ '; color: var(--accent2); }
.faq p{ margin-top:8px; color: var(--text-soft); }

/* GUIDE CARDS */
.card-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 20px; }
@media (max-width:720px){ .card-grid{ grid-template-columns:1fr; } }
.guide-card{
  border: 1px solid var(--border-glass); background: var(--surface); border-radius: 16px;
  padding: 22px; text-decoration:none; display:block; transition: all .25s ease;
}
.guide-card:hover{
  transform: translateY(-4px); border-color: var(--accent2);
  box-shadow: 0 12px 32px rgba(34,211,238,0.18);
}
.guide-card .tag{ font-family:var(--font-mono); font-size:0.68rem; color: var(--accent2); text-transform:uppercase; letter-spacing:0.05em; }
.guide-card h3{ margin: 10px 0 8px; color: var(--text); }
.guide-card p{ color: var(--text-soft); font-size:0.9rem; margin:0; }

/* related links */
.related{ margin: 40px 24px 0; border-top: 1px dashed var(--line); padding-top: 20px; }
.related h2{ margin-top:0; }
.related-links{ display:flex; flex-direction:column; gap: 10px; }
.related-links a{ font-family:var(--font-display); font-weight:600; text-decoration:none; }

footer{
  border-top:1px solid var(--line); padding:26px 24px; text-align:center;
  color:var(--text-soft); font-size:0.78rem; font-family:var(--font-mono);
  position:relative; z-index:1;
}
footer a{ color: var(--text-soft); }
footer a:hover{ color: var(--accent2); }

/* Resumen de impresión: oculto en pantalla, visible solo al generar el PDF */
.resumen-impresion{ display:none; }

@media print{
  body::before, body::after{ display:none !important; }
  nav.site-nav, .tabs, .tabs-row, .stat-strip,
  section.content, footer, .breadcrumb, .btn-copiar-enlace, .btn-descargar-pdf,
  #panel-simular, #panel-comparar, #panel-meta,
  .wrap{
    display:none !important;
  }
  body{ background: #fff; color:#111; }
  .resumen-impresion{
    display:block; padding: 20px;
  }
  .resumen-impresion h1{ font-size:1.4rem; color:#111; background:none; -webkit-text-fill-color:#111; margin-bottom:4px; }
  .resumen-impresion .fecha{ color:#555; font-size:0.85rem; margin-bottom:20px; }
  .tabla-resumen{ width:100%; border-collapse:collapse; margin-bottom:20px; font-size:0.9rem; }
  .tabla-resumen td{ padding:6px 4px; border-bottom:1px solid #ddd; color:#111; }
  .tabla-resumen td:first-child{ color:#555; }
  .resumen-resultado{ border:2px solid #111; padding:16px; margin-bottom:20px; }
  .resumen-label{ font-size:0.8rem; text-transform:uppercase; letter-spacing:0.05em; color:#555; }
  .resumen-cifra{ font-size:1.8rem; font-weight:700; color:#111; }
  .resumen-nota{ font-size:0.75rem; color:#777; }
}

/* Modal de anuncio en vídeo (recompensado) */
.modal-anuncio-overlay{
  display:none; position:fixed; inset:0; background:rgba(0,0,0,0.72);
  z-index:100; align-items:center; justify-content:center; padding:20px;
}
.modal-anuncio-overlay.activo{ display:flex; }
.modal-anuncio-card{
  background: var(--bg-alt); border:1px solid var(--border-glass); border-radius:16px;
  max-width:420px; width:100%; overflow:hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  position: relative;
}
.modal-anuncio-cerrar{
  position:absolute; top:10px; right:10px; z-index:2;
  width:30px; height:30px; border-radius:50%;
  background: rgba(0,0,0,0.55); color:#fff; border:1px solid rgba(255,255,255,0.25);
  font-size:0.9rem; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.modal-anuncio-cerrar:hover{ background: rgba(0,0,0,0.75); }
.modal-anuncio-video{
  aspect-ratio: 16/9; width:100%;
  background: repeating-linear-gradient(45deg, #1a1f2e, #1a1f2e 10px, #20263a 10px, #20263a 20px);
  display:flex; align-items:center; justify-content:center; text-align:center; padding:20px;
}
.modal-anuncio-video-label{
  font-family:var(--font-mono); font-size:0.85rem; color: var(--text-soft);
}
.modal-anuncio-info{
  padding:18px 20px; display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.modal-anuncio-info span{ font-size:0.9rem; color: var(--text-soft); }
.modal-anuncio-info b{ color: var(--text); }
.modal-anuncio-info button{
  font-family:var(--font-display); font-weight:600; font-size:0.85rem;
  background: linear-gradient(100deg, var(--accent1), var(--accent3)); color:#fff;
  border:none; border-radius:999px; padding:10px 20px; cursor:pointer;
}
.modal-anuncio-info button:disabled{
  background: var(--surface); color: var(--text-soft); cursor:not-allowed;
}