:root { --ink: #0e0e10; --ink2: #17171a; --line: #2a2a2f; --paper: #f4f4f2; --muted: #a2a2a8; --gold: #e5484d; --rojo: #c1272d; }
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif; background: var(--ink); color: var(--paper); line-height: 1.6; }
a { color: var(--gold); }
h1, h2, h3, label, button, .boton { font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif; }
h1 { font-size: 36px; line-height: 1.1; letter-spacing: -0.03em; margin: 8px 0 12px; }
h2 { font-size: 32px; line-height: 1.1; letter-spacing: -0.025em; margin: 56px 0 14px; }
h3 { font-size: 18px; margin: 14px 0 4px; }
em { font-family: Georgia, "Times New Roman", serif; font-style: italic; font-weight: 400; color: var(--gold); }
h1 em, h2 em, h3 em { font-family: inherit; font-style: normal; font-weight: inherit; color: inherit; }
.cabecera { position: sticky; top: 0; z-index: 40; background: rgba(14, 14, 16, 0.94); border-bottom: 1px solid var(--line); }
.cabecera-in { max-width: 1080px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; color: var(--paper); text-decoration: none; }
.logo span { display: inline-block; width: 7px; height: 7px; background: var(--gold); margin-left: 3px; }
.cabecera nav a { position: relative; color: var(--muted); text-decoration: none; margin: 0 12px; font-size: 15px; transition: color 0.2s; }
.cabecera nav a:after { content: ""; position: absolute; left: 0; bottom: -5px; height: 2px; width: 0; background: var(--gold); transition: width 0.25s; }
.cabecera nav a:hover { color: var(--paper); }
.cabecera nav a:hover:after { width: 100%; }
.contenido { max-width: 1080px; margin: 0 auto; padding: 24px 24px 40px; }
.herramienta .contenido { max-width: 820px; }
.etiq { font-size: 15px; color: var(--muted); margin: 0 0 16px; }
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding: 48px 0 36px; }
.hero h1 { font-size: 58px; line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 20px; }
.hero .sub { font-size: 18px; color: #c9cdd3; max-width: 540px; }
.ventana { background: var(--ink2); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45); }
.barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.barra i { display: none; }
.barra span { font-size: 13px; color: var(--muted); }
.cuerpo { padding: 14px 20px 18px; }
.fila { display: flex; justify-content: space-between; margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.fila.suma { border: none; color: var(--gold); font-weight: 800; font-size: 20px; padding-top: 14px; }
.cifras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; }
.cifras b { display: block; font-size: 28px; letter-spacing: -0.02em; }
.cifras span { font-size: 14px; color: var(--muted); }
.herramientas { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.herramientas .grande { grid-column: 1 / -1; padding: 30px; }
.herramientas .grande h3 { font-size: 28px; letter-spacing: -0.02em; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.item { border-top: 1px solid var(--line); padding: 14px 0 16px; }
.item b { display: block; font-size: 17px; }
.item small { color: var(--gold); font-size: 13px; font-weight: 700; }
.item p { margin: 4px 0 0; color: #c9cdd3; }
.mas { color: var(--gold); font-weight: 700; text-decoration: none; }
.mas:hover { text-decoration: underline; }
.franja { background: var(--ink2); border: 1px solid var(--line); border-left: 4px solid var(--gold); border-radius: 8px; padding: 12px 16px; margin-bottom: 22px; font-weight: 600; }
.franja .boton { margin: 0 0 0 12px; padding: 8px 16px; font-size: 14px; }
.tarjeta { background: var(--ink2); border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin-bottom: 16px; transition: border-color 0.2s; }
.tarjeta:hover { border-color: #4a4a52; }
.tarjeta p { color: #c9cdd3; }
label { display: block; font-size: 14px; font-weight: 700; margin: 14px 0 4px; }
input { width: 100%; padding: 11px; font-size: 16px; background: var(--ink); color: var(--paper); border: 1px solid #333a45; border-radius: 8px; color-scheme: dark; transition: border-color 0.2s, box-shadow 0.2s; }
input::placeholder { color: #66707c; }
input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(229, 72, 77, 0.25); outline: none; }
button.accion, .boton { display: inline-block; background: var(--rojo); color: #ffffff; font-weight: 700; border: none; padding: 12px 24px; font-size: 16px; border-radius: 6px; cursor: pointer; margin: 16px 8px 0 0; text-decoration: none; transition: background 0.2s; }
button.accion:hover, .boton:hover { background: #a51f25; }
button.claro, .boton.borde { background: transparent; color: var(--paper); border: 1px solid #3a414c; }
button.claro:hover, .boton.borde:hover { background: rgba(255, 255, 255, 0.07); box-shadow: none; }
.resultado { background: var(--ink2); border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: 10px; padding: 16px 20px; margin-top: 16px; display: none; animation: aparecer 0.5s ease; }
.resultado p { margin: 6px 0; }
.total { font-size: 24px; font-weight: 800; color: var(--gold); border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }
.nota { font-size: 13px; color: var(--muted); }
.aviso { background: #1f1213; border: 1px solid #5c2326; border-radius: 10px; padding: 14px 18px; margin: 16px 0; }
.anuncio { display: none; min-height: 90px; margin: 20px 0; text-align: center; }
.pie2 { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 28px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.pie2 h4 { margin: 0 0 8px; font-size: 14px; font-weight: 700; color: var(--paper); }
.pie2 p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.pie2 a { display: block; color: var(--muted); text-decoration: none; margin: 4px 0; font-size: 14px; }
.pie2 a:hover { color: var(--paper); }
.pie2 .legal { grid-column: 1 / -1; font-size: 12px; margin: 0 0 20px; }
.revelar { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.25s, border-color 0.25s; }
.revelar.visible { opacity: 1; transform: translateY(0); }
.herramientas .tarjeta:nth-child(3) { transition-delay: 0.12s; }
.revelar.visible:hover { transition-delay: 0s; }
.flotantes { position: fixed; right: 20px; bottom: 20px; z-index: 50; }
.flotante { display: block; width: 58px; height: 58px; border-radius: 50%; margin-top: 12px; padding: 15px; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6); transition: transform 0.2s; }
.flotante:hover { transform: scale(1.06); }
.flotante svg { display: block; width: 28px; height: 28px; fill: none; stroke: #ffffff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.flotante.whatsapp { background: #25d366; }
.flotante.correo { background: #3a3a40; }
@keyframes subir { 0% { opacity: 0; transform: translateY(24px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes flotar { 0% { transform: translateY(0); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0); } }
@keyframes latido { 0% { transform: scale(1); } 50% { transform: scale(1.06); } 100% { transform: scale(1); } }
@keyframes pulso { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); } 70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); } 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); } }
@keyframes entrar { 0% { transform: scale(0) translateY(40px); opacity: 0; } 70% { transform: scale(1.15); } 100% { transform: scale(1); opacity: 1; } }
@keyframes aparecer { 0% { opacity: 0; transform: translateY(12px); } 100% { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } .revelar { opacity: 1; transform: none; } }
@media (max-width: 800px) { .hero, .dos, .pie2, .herramientas { grid-template-columns: 1fr; gap: 28px; } .hero h1 { font-size: 40px; } h2 { font-size: 26px; } .cifras { grid-template-columns: 1fr; } .cabecera nav { order: 3; width: 100%; } .cabecera nav a { margin: 0 14px 0 0; } .flotantes { right: 12px; bottom: 12px; } }
@media print { .cabecera, .anuncio, button.accion, .pie2, .tarjeta, .franja, .flotantes { display: none; } body { background: #ffffff; color: #000000; } h1, h2, h3, .total, .nota, .resultado { color: #000000; } .resultado { background: #ffffff; } .revelar { opacity: 1; transform: none; } }