/* ─────────────────────────────────────────────────────────────────────────────
   Con Pipo Aprendes · estilos comunes (cabecera, pie, botones, formularios y ventana de acceso)
   Estética de firma financiera: azul marino, tipografía con serifa en titulares, superficies limpias.
   ───────────────────────────────────────────────────────────────────────────── */
:root {
  --fondo: #f7f6f2; --carta: #ffffff; --carta-2: #fbfaf7; --tinta: #0e1a2b; --texto: #344054; --suave: #667085; --linea: #e4e2db; --linea-2: #cfd4dc;
  --marino: #0b2545; --marino-2: #13315c; --banda: #0b2545; --sobre-banda: #e8edf5; --oro: #a8842f; --oro-claro: #f3ecdb;
  --verde: #0e7c5a; --verde-claro: #e6f4ee; --rojo: #b42318; --foco: #2563eb;
  --boton: #0b2545; --boton-hover: #13315c; --sobre-boton: #ffffff;
  --sombra-1: 0 1px 2px rgba(14,26,43,.05); --sombra-2: 0 1px 2px rgba(14,26,43,.04), 0 10px 30px rgba(14,26,43,.07);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radio: 14px; color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --fondo: #0a1120; --carta: #111a2c; --carta-2: #0e1626; --tinta: #eef2f7; --texto: #c4ccd8; --suave: #93a0b4; --linea: #223049; --linea-2: #2e3e5c;
  --banda: #081428; --sobre-banda: #dfe6f1; --oro: #d4b26a; --oro-claro: #2a2416; --verde: #3cc493; --verde-claro: #0f2a22; --rojo: #f97066; --foco: #7aa2ff;
  --boton: #d4b26a; --boton-hover: #e2c486; --sobre-boton: #0a1120; --marino: #9db8e8; --marino-2: #b9cdf0;
  --sombra-1: none; --sombra-2: 0 10px 30px rgba(0,0,0,.35); color-scheme: dark } }
:root[data-theme="dark"] {
  --fondo: #0a1120; --carta: #111a2c; --carta-2: #0e1626; --tinta: #eef2f7; --texto: #c4ccd8; --suave: #93a0b4; --linea: #223049; --linea-2: #2e3e5c;
  --banda: #081428; --sobre-banda: #dfe6f1; --oro: #d4b26a; --oro-claro: #2a2416; --verde: #3cc493; --verde-claro: #0f2a22; --rojo: #f97066; --foco: #7aa2ff;
  --boton: #d4b26a; --boton-hover: #e2c486; --sobre-boton: #0a1120; --marino: #9db8e8; --marino-2: #b9cdf0;
  --sombra-1: none; --sombra-2: 0 10px 30px rgba(0,0,0,.35); color-scheme: dark }

/* ——— Cabecera ——— */
.sitio-cab { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--carta) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--linea); font-family: var(--sans) }
.sitio-cab .dentro { max-width: 1120px; margin: 0 auto; padding: 12px max(16px, env(safe-area-inset-left)); display: flex; align-items: center; justify-content: space-between; gap: 16px }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tinta) }
.logo img { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--linea); object-fit: cover; background: #ffd23f }
.logo b { display: block; font: 600 18px/1.1 var(--serif); letter-spacing: -.01em }
.logo small { display: block; font: 500 11px/1.2 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--suave); margin-top: 2px }
.sitio-cab nav { display: flex; align-items: center; gap: 26px }
.sitio-cab nav a[aria-current="page"] { color: var(--tinta); font-weight: 600 }
.sitio-cab nav a { font: 500 14px var(--sans); color: var(--texto); text-decoration: none }
.sitio-cab nav a:hover { color: var(--tinta) }
@media (max-width: 760px) { .sitio-cab nav a:not(.btn) { display: none } }

/* ——— Botones ——— */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15px/1 var(--sans); text-decoration: none; cursor: pointer;
  padding: 13px 20px; border-radius: 10px; border: 1px solid transparent; background: var(--boton); color: var(--sobre-boton) !important; transition: background .15s, transform .1s, box-shadow .15s }
.btn:hover { background: var(--boton-hover) }
.btn:active { transform: translateY(1px) }
.btn.sec { background: transparent; color: var(--tinta) !important; border-color: var(--linea-2) }
.btn.sec:hover { background: var(--carta); border-color: var(--suave) }
.btn.peq { padding: 9px 14px; font-size: 14px }
.btn.ancho { width: 100% }
.btn:disabled { opacity: .7; cursor: wait }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round }

/* ——— Pie ——— */
.sitio-pie { background: var(--banda); color: var(--sobre-banda); font: 14px/1.6 var(--sans); padding: 48px max(16px, env(safe-area-inset-left)) max(36px, env(safe-area-inset-bottom)) }
.sitio-pie .dentro { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px }
@media (max-width: 760px) { .sitio-pie .dentro { grid-template-columns: 1fr } }
.sitio-pie b { font: 600 18px var(--serif); color: #fff; display: block; margin-bottom: 6px }
.sitio-pie h4 { margin: 0 0 8px; font: 600 12px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #8fa3c4 }
.sitio-pie a { color: var(--sobre-banda); text-decoration: none; display: block; padding: 3px 0 }
.sitio-pie a:hover { color: #fff; text-decoration: underline }
.sitio-pie p { margin: 0; color: #a9b7cf }
.sitio-pie .legal { max-width: 1120px; margin: 32px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12.5px; color: #8fa3c4 }

/* ——— Ventana de acceso (captación) ——— */
html.pp-abierto { overflow: hidden }
.pp-velo { position: fixed; inset: 0; z-index: 50; background: rgba(8,16,30,.55); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 16px; overflow-y: auto; font-family: var(--sans) }
.pp-velo[hidden] { display: none !important }
.pp-modal { position: relative; width: 100%; max-width: 460px; background: var(--carta); color: var(--tinta); border: 1px solid var(--linea);
  border-radius: 18px; box-shadow: 0 24px 60px rgba(8,16,30,.25); padding: 28px 24px 22px; display: grid; gap: 12px; animation: pp-entra .2s ease-out }
@keyframes pp-entra { from { transform: translateY(10px); opacity: 0 } }
@media (prefers-reduced-motion: reduce) { .pp-modal { animation: none } }
.pp-cerrar { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--linea); background: var(--carta);
  color: var(--suave); font: 400 22px/1 var(--sans); cursor: pointer }
.pp-cerrar:hover { color: var(--tinta); border-color: var(--linea-2) }
.pp-marca { display: flex; align-items: center; gap: 10px; font: 600 13px var(--sans); color: var(--suave) }
.pp-cara { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--linea); object-fit: cover; background: #ffd23f }
.pp-eti { justify-self: start; font: 600 11px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--verde); background: var(--verde-claro);
  padding: 4px 10px; border-radius: 999px }
.pp-modal h2 { margin: 0; font: 600 27px/1.15 var(--serif); letter-spacing: -.01em; text-wrap: balance }
.pp-texto { margin: 0 0 6px; color: var(--texto); font-size: 15.5px; line-height: 1.5 }

.pp-form { display: grid; gap: 14px; font-family: var(--sans) }
.pp-campo { display: grid; gap: 6px; font-weight: 600; font-size: 13.5px; color: var(--tinta) }
.pp-campo input, .pp-campo select, .pp-campo textarea { width: 100%; font: 500 16px var(--sans); color: var(--tinta); background: var(--carta);
  border: 1px solid var(--linea-2); border-radius: 10px; padding: 12px 14px; outline: none; -webkit-appearance: none; appearance: none; transition: border-color .15s, box-shadow .15s }
.pp-campo textarea { min-height: 130px; resize: vertical; line-height: 1.5 }
.pp-campo select { background-image: linear-gradient(45deg, transparent 50%, var(--suave) 50%), linear-gradient(135deg, var(--suave) 50%, transparent 50%);
  background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 38px }
.pp-campo input::placeholder, .pp-campo textarea::placeholder { color: #98a2b3; font-weight: 400 }
.pp-campo input:focus, .pp-campo select:focus, .pp-campo textarea:focus { border-color: var(--foco); box-shadow: 0 0 0 3px color-mix(in srgb, var(--foco) 22%, transparent) }
.pp-check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; font-size: 13.5px; line-height: 1.45; color: var(--texto); cursor: pointer }
.pp-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--marino); cursor: pointer }
.pp-check a { color: var(--tinta); font-weight: 600 }
.pp-miel { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0 }
.pp-error { margin: 0; color: var(--rojo); font-weight: 600; font-size: 14px }
.pp-boton { font: 600 16px var(--sans); padding: 15px 18px; border-radius: 10px; border: 0; background: var(--boton); color: var(--sobre-boton); cursor: pointer; transition: background .15s }
.pp-boton:hover { background: var(--boton-hover) }
.pp-boton:disabled { opacity: .7; cursor: wait }
.pp-confianza { margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; font-size: 12.5px; color: var(--suave) }
.pp-confianza span { display: inline-flex; align-items: center; gap: 5px }
.pp-confianza svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round }
.pp-volver { justify-self: center; font-weight: 600; font-size: 14px; color: var(--suave) }
.pp-volver:hover { color: var(--tinta) }
.pp-velo :focus-visible, .sitio-cab :focus-visible, .sitio-pie :focus-visible { outline: 2px solid var(--foco); outline-offset: 2px }

/* ——— Aviso flotante (p. ej. «acceso desbloqueado») ——— */
.pp-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 70; max-width: calc(100% - 32px);
  background: var(--tinta); color: var(--fondo); border-radius: 12px; padding: 12px 18px; font: 600 14px/1.4 var(--sans); box-shadow: var(--sombra-2);
  animation: pp-entra .2s ease-out }
@media (prefers-reduced-motion: reduce) { .pp-toast { animation: none } }

/* ——— Bloques de página (inicio, biblioteca, resúmenes). Van bajo .pag para no tocar las calculadoras. ——— */
.pag { min-height: 100vh; display: flex; flex-direction: column }
.pag > main { flex: 1 0 auto; width: 100% }
.pag { margin: 0; background: var(--fondo); color: var(--tinta); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; font-feature-settings: "tnum" 1 }
.pag * { box-sizing: border-box }
.pag [hidden] { display: none !important }
.pag a { color: inherit }
.pag :focus-visible { outline: 2px solid var(--foco); outline-offset: 2px }
.pag .ancho { max-width: 1120px; margin: 0 auto; padding-inline: max(16px, env(safe-area-inset-left)) max(16px, env(safe-area-inset-right)) }
.pag section { padding-block: 72px }
@media (max-width: 760px) { .pag section { padding-block: 48px } }
.pag .eti { font: 600 12px var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--oro) }
.pag h1, .pag h2, .pag h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.015em; margin: 0; text-wrap: balance }
.pag h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.12 }
.pag .lead { font-size: 18px; color: var(--texto); max-width: 62ch; margin: 0; text-wrap: pretty }
.pag .cabeza-sec { display: grid; gap: 12px; margin-bottom: 36px; max-width: 740px }
.pag svg.i { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none }
.pag .chapa { font: 600 12px var(--sans); color: var(--verde); background: var(--verde-claro); padding: 4px 10px; border-radius: 999px; white-space: nowrap }
.pag .chapa.gris { color: var(--suave); background: var(--carta-2); border: 1px solid var(--linea) }
.pag .lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: 15px }
.pag .lista li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; color: var(--texto) }
.pag .lista li::before { content: ""; width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; background: var(--verde-claro)
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e7c5a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat }
.pag .ico-caja { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--oro-claro); color: var(--oro); flex: none }
.pag .tarjeta-p { background: var(--carta); border: 1px solid var(--linea); border-radius: 18px; box-shadow: var(--sombra-1); padding: 28px; display: grid; gap: 16px; align-content: start }
.pag .tarjeta-p h3 { font-size: 24px; line-height: 1.15 }
.pag .tarjeta-p p { margin: 0; color: var(--texto) }
.pag .tarjeta-p .btn { justify-self: start; margin-top: 4px }
.pag .banda { background: var(--banda); color: var(--sobre-banda) }
.pag .banda .eti { color: #d4b26a }
.pag .banda h2 { color: #fff }
.pag .banda .lead { color: #b9c6dc }

/* Foto de Pablo: si aún no hay foto real, sale el avatar de Pipo sobre fondo amarillo */
img.es-avatar { background: #ffd23f }
.foto-vacia { width: 100%; aspect-ratio: 4 / 5; border-radius: 20px; display: grid; place-content: center; justify-items: center; gap: 14px;
  background: radial-gradient(120% 90% at 30% 20%, #1d4e89 0%, #0b2545 60%, #081a33 100%); color: #d4b26a; overflow: hidden }
.foto-vacia span { font: 500 clamp(64px, 9vw, 104px)/1 var(--serif); letter-spacing: -.02em }
.foto-vacia small { font: 600 12px var(--sans); color: #b9c6dc; background: rgba(255,255,255,.08); padding: 6px 10px; border-radius: 999px }

/* ——— Huecos por rellenar (solo se ven en modo prueba) ——— */
.por-rellenar { outline: 1.5px dashed #d97706; outline-offset: 2px; background: #fff7e6; color: #92400e !important; border-radius: 4px; padding: 0 4px }
.pp-prueba { position: fixed; left: 50%; transform: translateX(-50%); bottom: 10px; z-index: 60; max-width: calc(100% - 32px);
  background: #fff7e6; color: #92400e; border: 1px solid #f5c26b; border-radius: 999px; padding: 6px 14px; font: 600 12px var(--sans); text-align: center; box-shadow: var(--sombra-2) }