/* =============================================================================
   AGROPRÁCTICO · LANDING DE VENTAS
   Misma familia visual que la página de recursos y las portadas:
   fondo casi negro con tinte petróleo, domo de luz turquesa, vidrio líquido.
   Titulares en serif (como la portada del curso) y texto en Inter.
   Mobile-first: todo parte de 360 px y se amplía con @media.
   ============================================================================= */

:root {
  --bg: #050F10;
  --bg-2: #0A1B1D;
  --petroleo: #08575E;
  --turquesa: #22C9C3;
  --turquesa-claro: #A8F5EE;
  --ambar: #F2B544;
  --rojo: #F07A62;
  --tinta: #FFFFFF;
  --tinta-2: rgba(255, 255, 255, .74);
  --tinta-3: rgba(255, 255, 255, .52);
  --linea: rgba(255, 255, 255, .1);
  --linea-2: rgba(255, 255, 255, .18);
  --radio: 22px;
  --radio-sm: 14px;
  --contenedor: 74rem;
  --serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --curva: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 80px; }
html.sin-scroll { overflow: hidden; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--tinta);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: clip;
}
img { max-width: 100%; display: block; }
svg { width: 1em; height: 1em; flex: none; }
a { color: var(--turquesa-claro); text-underline-offset: 3px; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
b, strong { font-weight: 600; }
::selection { background: rgba(34, 201, 195, .32); }
:focus-visible { outline: 2px solid var(--turquesa); outline-offset: 3px; border-radius: 10px; }

.contenedor { width: 100%; max-width: var(--contenedor); margin: 0 auto; padding: 0 20px; position: relative; }
.contenedor-medio { max-width: 60rem; }
.contenedor-angosto { max-width: 46rem; }
main, .pie, .aviso-top, .cabecera { position: relative; z-index: 2; }

/* ---------- Fondo ---------- */
.fondo { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; background: radial-gradient(120% 70% at 50% 0%, #0B272A 0%, var(--bg) 62%); }
.fondo-brillo { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.fondo-brillo-1 { width: 60vmax; height: 60vmax; left: -20vmax; top: -25vmax; background: radial-gradient(circle, rgba(8, 87, 94, .9), transparent 65%); animation: flotar 24s ease-in-out infinite alternate; }
.fondo-brillo-2 { width: 50vmax; height: 50vmax; right: -22vmax; top: 30vh; background: radial-gradient(circle, rgba(34, 201, 195, .28), transparent 65%); animation: flotar 30s ease-in-out infinite alternate-reverse; }
.fondo-grano { position: absolute; inset: -50%; opacity: .06; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
@keyframes flotar { to { transform: translate(6vmax, 5vmax) scale(1.12); } }

/* ---------- Vidrio ---------- */
.vidrio {
  background: rgba(255, 255, 255, .03);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, .1);
  border-radius: var(--radio); position: relative;
}
.vidrio::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1.3px; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.42) 0%, rgba(255,255,255,.12) 22%, rgba(255,255,255,0) 42%, rgba(255,255,255,0) 58%, rgba(255,255,255,.12) 80%, rgba(255,255,255,.36) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 50px; padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .95rem; line-height: 1.2; text-decoration: none; text-align: center;
  cursor: pointer; color: #fff; background: transparent; white-space: nowrap;
  transition: background-color .2s, border-color .2s, transform .2s var(--curva), box-shadow .3s;
}
.btn svg { width: 19px; height: 19px; transition: transform .2s; }
.btn:hover svg:last-child:not(:first-child) { transform: translateX(3px); }
.btn:active { transform: scale(.98); }
.btn-claro { background: #fff; color: #031416; box-shadow: 0 0 0 0 rgba(34, 201, 195, .5); }
.btn-claro:hover { color: #031416; background: #ECFFFD; box-shadow: 0 10px 40px rgba(34, 201, 195, .28); }
.btn-borde { border-color: var(--linea-2); }
.btn-borde:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.btn-chico { min-height: 40px; padding: 8px 16px; font-size: .86rem; }
.btn-grande { min-height: 56px; padding: 14px 28px; font-size: 1rem; }
.btn-ancho { width: 100%; }
.botones { display: flex; flex-wrap: wrap; gap: 12px; }
.botones-centro { justify-content: center; }
.btn-claro[data-wa="comprar"] { animation: latido 2.8s ease-in-out infinite; }
@keyframes latido { 0%, 70%, 100% { box-shadow: 0 0 0 0 rgba(34, 201, 195, 0); } 80% { box-shadow: 0 0 0 10px rgba(34, 201, 195, .18); } }

/* ---------- Tipografía de secciones ---------- */
.ceja { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--turquesa); margin-bottom: 16px; }
.ceja svg { width: 15px; height: 15px; }
.ceja-ambar { color: var(--ambar); }
.titulo { font-family: var(--serif); font-size: clamp(2.5rem, 8.5vw, 4.4rem); line-height: .98; letter-spacing: -.01em; }
.titulo em, .heroe-titulo em, .cierre-titulo em { font-style: italic; color: var(--turquesa-claro); }
.titulo-chico { font-size: clamp(2rem, 6vw, 2.8rem); }
.texto { color: var(--tinta-2); font-size: 1.04rem; max-width: 36rem; margin-top: 18px; }
.texto strong, .texto b { color: #fff; }
.seccion { padding: 88px 0; }
.cabeza-seccion { margin-bottom: 44px; }
.cabeza-seccion.centrada { text-align: center; }
.cabeza-seccion.centrada .texto { margin-left: auto; margin-right: auto; }
.fuente { margin-top: 18px; font-size: .78rem; color: var(--tinta-3); }

/* ---------- Animaciones de entrada ---------- */
.anima { opacity: 0; transform: translateY(18px); animation: entrar .9s var(--curva) forwards; animation-delay: var(--d, 0s); }
@keyframes entrar { to { opacity: 1; transform: none; } }
.revela { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--curva), transform .9s var(--curva); transition-delay: var(--d, 0s); }
.revela.visible { opacity: 1; transform: none; }
html:not(.listo) .revela { opacity: 1; transform: none; }

/* ---------- Barra de urgencia ---------- */
.aviso-top { background: linear-gradient(90deg, rgba(242, 181, 68, .16), rgba(242, 181, 68, .06)); border-bottom: 1px solid rgba(242, 181, 68, .22); font-size: .82rem; }
.aviso-top-fila { display: flex; align-items: center; gap: 10px; padding-top: 9px; padding-bottom: 9px; }
.aviso-top p { color: rgba(255, 255, 255, .86); flex: 1; }
.aviso-top strong { color: var(--ambar); }
.aviso-punto { width: 8px; height: 8px; border-radius: 50%; background: var(--ambar); flex: none; box-shadow: 0 0 0 0 rgba(242, 181, 68, .6); animation: pulso 1.8s infinite; }
.aviso-cuenta { flex: none !important; font-weight: 700; color: var(--ambar) !important; white-space: nowrap; }
@keyframes pulso { 70% { box-shadow: 0 0 0 9px rgba(242, 181, 68, 0); } 100% { box-shadow: 0 0 0 0 rgba(242, 181, 68, 0); } }

/* ---------- Cabecera ---------- */
.cabecera { position: sticky; top: 0; z-index: 20; transition: background-color .3s, border-color .3s; border-bottom: 1px solid transparent; }
.cabecera.con-fondo { background: rgba(5, 15, 16, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--linea); }
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.logo img { height: 28px; width: auto; }
.menu { display: none; gap: 28px; font-size: .9rem; }
.menu a { color: var(--tinta-2); text-decoration: none; transition: color .2s; }
.menu a:hover { color: #fff; }

/* ---------- Héroe ---------- */
.heroe { padding: 36px 0 0; overflow: hidden; }
.heroe-rejilla { display: grid; gap: 40px; align-items: center; }
.pildora { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px; border-radius: 999px; border: 1px solid var(--linea-2); background: rgba(255, 255, 255, .04); font-size: .82rem; color: var(--tinta-2); margin-bottom: 22px; }
.punto-vivo { width: 8px; height: 8px; border-radius: 50%; background: var(--turquesa); box-shadow: 0 0 12px var(--turquesa); }
.heroe-titulo { font-family: var(--serif); font-size: clamp(3.4rem, 15vw, 6.6rem); line-height: .9; letter-spacing: -.02em; }
.heroe-titulo span, .heroe-titulo em { display: block; }
.brillo {
  background: linear-gradient(100deg, #A8F5EE 0%, #22C9C3 30%, #fff 50%, #22C9C3 70%, #A8F5EE 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent !important;
  animation: brillar 6s linear infinite; padding-right: .06em;
}
@keyframes brillar { from { background-position: 100% 0; } to { background-position: -150% 0; } }
.heroe-sub { margin: 24px 0 30px; color: var(--tinta-2); font-size: 1.1rem; max-width: 34rem; }
.heroe-sub strong { color: #fff; }
.heroe-sellos { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; font-size: .86rem; color: var(--tinta-2); }
.heroe-sellos li { display: inline-flex; align-items: center; gap: 7px; }
.heroe-sellos svg { color: var(--turquesa); width: 16px; height: 16px; }

.heroe-visual { position: relative; perspective: 1200px; max-width: 480px; width: 100%; margin: 0 auto; padding: 24px 0 36px; }
.domo { position: absolute; left: 50%; top: 52%; width: 150%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(34, 201, 195, .32) 0%, rgba(34, 201, 195, .08) 38%, transparent 64%); animation: respirar 8s ease-in-out infinite; }
@keyframes respirar { 50% { opacity: .7; transform: translate(-50%, -50%) scale(.95); } }
.portada-3d { margin: 0; position: relative; border-radius: 20px; overflow: hidden; transform-style: preserve-3d; transition: transform .5s var(--curva);
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .12), 0 0 70px rgba(34, 201, 195, .18); }
.portada-3d img { width: 100%; height: auto; }
.portada-3d::after { content: ''; position: absolute; inset: 0; background: linear-gradient(125deg, rgba(255,255,255,.14), transparent 40%); pointer-events: none; }
.flotante { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 14px; font-size: .8rem; color: var(--tinta-2); line-height: 1.25;
  background: rgba(8, 26, 28, .78); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid var(--linea-2); box-shadow: 0 14px 30px rgba(0, 0, 0, .4);
  animation: flota 6s ease-in-out infinite; }
.flotante b { color: #fff; display: block; font-size: .88rem; }
.flotante svg { width: 22px; height: 22px; color: var(--turquesa); }
.flotante-1 { left: -8px; top: 38%; }
.flotante-2 { right: -8px; top: 56%; animation-delay: -2s; display: none; }
.flotante-3 { left: 8%; bottom: 0; animation-delay: -4s; }
@keyframes flota { 50% { transform: translateY(-8px); } }

/* Cinta de sistemas */
.cinta { margin-top: 52px; border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); overflow: hidden; padding: 16px 0; -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.cinta-pista { display: flex; align-items: center; gap: 28px; width: max-content; animation: cinta 40s linear infinite; }
.cinta span { font-family: var(--serif); font-size: 1.5rem; font-style: italic; color: var(--tinta-2); white-space: nowrap; }
.cinta i { width: 7px; height: 7px; border-radius: 50%; background: var(--turquesa); flex: none; opacity: .7; }
@keyframes cinta { to { transform: translateX(-50%); } }

/* ---------- Cifras ---------- */
.cifras { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--linea-2); }
.cifra { padding: 24px 12px 24px 0; border-bottom: 1px solid var(--linea); }
.cifra:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--linea); }
.cifra b { display: block; font-family: var(--serif); font-size: clamp(2.2rem, 9vw, 3.8rem); line-height: 1; font-weight: 400; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.cifra.rojo b { color: var(--rojo); }
.cifra span { display: block; margin-top: 10px; font-size: .88rem; color: var(--tinta-2); max-width: 17rem; }

/* ---------- Calculadora ---------- */
#problema { padding-bottom: 40px; }
.seccion-calc { padding-top: 40px; }
.calc-rejilla { display: grid; gap: 40px; align-items: center; }
.calc { padding: 26px 20px; }
.calc-campo { margin-bottom: 24px; }
.calc-campo label, .etiqueta { display: block; font-size: .92rem; font-weight: 600; margin-bottom: 12px; }
.calc-slider { display: flex; align-items: center; gap: 16px; }
.calc-slider output { font-family: var(--serif); font-size: 2.4rem; line-height: 1; min-width: 3ch; text-align: right; font-variant-numeric: tabular-nums; }
input[type="range"] { --p: 12%; -webkit-appearance: none; appearance: none; flex: 1; height: 8px; border-radius: 999px; outline-offset: 6px;
  background: linear-gradient(90deg, var(--turquesa) var(--p), rgba(255, 255, 255, .12) var(--p)); cursor: pointer; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; border-radius: 50%; background: #fff; border: 5px solid var(--turquesa); box-shadow: 0 0 0 6px rgba(34, 201, 195, .18); }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 5px solid var(--turquesa); box-shadow: 0 0 0 6px rgba(34, 201, 195, .18); }
.segmentos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 5px; border-radius: 16px; background: rgba(255, 255, 255, .05); border: 1px solid var(--linea); }
.segmentos button { font: inherit; font-size: .9rem; font-weight: 600; color: var(--tinta-2); background: none; border: 0; border-radius: 11px; min-height: 44px; cursor: pointer; transition: background-color .2s, color .2s; }
.segmentos button.activo { background: #fff; color: #031416; }
.calc-resultados { display: grid; gap: 10px; }
.calc-res { padding: 16px 18px; border-radius: var(--radio-sm); background: rgba(255, 255, 255, .04); border: 1px solid var(--linea); }
.calc-res span { display: block; font-size: .82rem; color: var(--tinta-2); }
.calc-res b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 9vw, 2.8rem); line-height: 1.05; margin: 4px 0; font-variant-numeric: tabular-nums; }
.calc-res small { font-size: .8rem; color: var(--tinta-3); }
.calc-res-rojo { background: rgba(240, 122, 98, .08); border-color: rgba(240, 122, 98, .28); }
.calc-res-rojo b { color: var(--rojo); }
.calc-barra { height: 6px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; margin: 18px 0 12px; }
.calc-barra-llena { height: 100%; width: 10%; border-radius: inherit; background: linear-gradient(90deg, var(--ambar), var(--rojo)); transition: width .5s var(--curva); }
.calc-nota { font-size: .75rem; color: var(--tinta-3); margin-bottom: 18px; }

/* ---------- Biblioteca ---------- */
.biblioteca { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px 16px; }
.libro-boton { all: unset; display: block; cursor: pointer; width: 100%; border-radius: 16px; }
.libro-boton:focus-visible { outline: 2px solid var(--turquesa); outline-offset: 6px; }
.libro-tapa { display: block; position: relative; border-radius: 6px 14px 14px 6px; overflow: hidden; aspect-ratio: 3 / 4;
  box-shadow: 0 24px 40px -18px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .1); transition: transform .5s var(--curva), box-shadow .5s; }
.libro-tapa img { width: 100%; height: 100%; object-fit: cover; }
.libro-lomo { position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: linear-gradient(90deg, rgba(0,0,0,.45), rgba(255,255,255,.12) 60%, transparent); }
.libro-candado { position: absolute; right: 10px; top: 10px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(5, 15, 16, .7); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); border: 1px solid var(--linea-2); color: #fff; }
.libro-candado svg { width: 16px; height: 16px; }
.libro-info { display: block; margin-top: 14px; }
.libro-info small { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--turquesa); font-weight: 600; }
.libro-info b { display: block; font-size: .98rem; line-height: 1.3; margin-top: 3px; }
.libro-ver { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: .82rem; color: var(--tinta-2); transition: color .2s, gap .2s; }
.libro-ver svg { width: 15px; height: 15px; }
.libro-boton:hover .libro-tapa { transform: translateY(-8px) rotate(-1.2deg); box-shadow: 0 34px 50px -18px rgba(0, 0, 0, .9), 0 0 0 1px rgba(34, 201, 195, .5), 0 0 50px rgba(34, 201, 195, .18); }
.libro-boton:hover .libro-ver { color: #fff; gap: 10px; }
.biblioteca-nota { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; font-size: .88rem; color: var(--tinta-3); }
.biblioteca-nota svg { width: 16px; height: 16px; }

/* ---------- Banda con foto ---------- */
.banda-foto { position: relative; overflow: hidden; min-height: 760px; display: flex; align-items: flex-end; }
.banda-foto > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; }
.banda-velo { position: absolute; inset: 0; background: linear-gradient(180deg, var(--bg) 0%, rgba(5,15,16,.2) 22%, rgba(5,15,16,.35) 45%, rgba(5,15,16,.94) 72%, var(--bg) 100%); }
.banda-contenido { position: relative; padding-top: 320px; padding-bottom: 80px; }
.sistemas { display: grid; gap: 10px; margin-top: 30px; }
.sistemas li { padding: 16px 18px; border-radius: var(--radio-sm); background: rgba(5, 15, 16, .6); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid var(--linea); }
.sistemas b { display: block; font-size: 1rem; }
.sistemas span { display: block; font-size: .88rem; color: var(--tinta-2); margin-top: 2px; }

/* ---------- Herramientas ---------- */
.herr-rejilla { display: grid; gap: 40px; align-items: start; }
.extras { display: grid; gap: 14px; margin-top: 28px; }
.extras li { display: flex; gap: 14px; align-items: flex-start; }
.extras svg { width: 22px; height: 22px; color: var(--turquesa); margin-top: 2px; }
.extras b { display: block; }
.extras span { color: var(--tinta-2); font-size: .92rem; }
.herramientas { display: grid; gap: 10px; }
.herramienta { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radio-sm); background: rgba(255, 255, 255, .035); border: 1px solid var(--linea); transition: border-color .3s, background-color .3s, transform .3s var(--curva); }
.herramienta:hover { border-color: rgba(34, 201, 195, .45); background: rgba(34, 201, 195, .06); transform: translateX(4px); }
.herramienta-icono { width: 44px; height: 44px; flex: none; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(145deg, rgba(34,201,195,.25), rgba(8,87,94,.35)); color: var(--turquesa-claro); }
.herramienta-icono svg { width: 22px; height: 22px; }
.herramienta > span:nth-child(2) { flex: 1; }
.herramienta b { display: block; font-size: .96rem; }
.herramienta small { display: block; font-size: .84rem; color: var(--tinta-2); }
.herramienta-candado { color: var(--tinta-3); }
.herramienta-candado svg { width: 16px; height: 16px; }

/* ---------- Antes / después ---------- */
.antes-despues { display: grid; gap: 14px; }
.columna { padding: 28px 22px; border-radius: var(--radio); }
.columna-antes { border: 1px dashed var(--linea-2); }
.columna-etq { font-family: var(--serif); font-size: 2rem; font-style: italic; margin-bottom: 18px; }
.columna-antes .columna-etq { color: var(--tinta-3); }
.columna-despues .columna-etq { color: var(--turquesa-claro); }
.columna li { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--linea); font-size: .96rem; color: var(--tinta-2); }
.columna li svg { width: 20px; height: 20px; margin-top: 2px; }
.columna-antes li svg { color: var(--rojo); }
.columna-despues li svg { color: var(--turquesa); }
.columna b { color: #fff; }
.columna-antes li { text-decoration: none; }

/* ---------- Perfiles ---------- */
.perfiles { display: grid; grid-template-columns: 1fr; gap: 12px; }
.perfil { padding: 24px 22px; }
.perfil svg { width: 28px; height: 28px; color: var(--turquesa); margin-bottom: 18px; }
.perfil h3 { font-family: var(--serif); font-size: 1.9rem; line-height: 1; margin-bottom: 8px; }
.perfil p { color: var(--tinta-2); font-size: .93rem; }

/* ---------- Oferta ---------- */
.oferta { padding: 26px 20px 30px; box-shadow: inset 0 1px 1px rgba(255,255,255,.1), 0 0 80px rgba(34, 201, 195, .1); }
.oferta-cabeza { display: flex; gap: 18px; align-items: center; margin-bottom: 26px; }
.oferta-cabeza img { width: 110px; height: 110px; border-radius: 16px; object-fit: cover; flex: none; box-shadow: 0 0 0 1px var(--linea-2), 0 12px 30px rgba(0,0,0,.5); }
.oferta-cabeza .ceja { margin-bottom: 8px; }
.oferta-cabeza .texto { margin-top: 8px; font-size: .92rem; }
.incluye { display: grid; gap: 2px; }
.incluye li { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-top: 1px solid var(--linea); }
.incluye svg { width: 22px; height: 22px; color: var(--turquesa); margin-top: 2px; }
.incluye b { display: block; }
.incluye span { color: var(--tinta-2); font-size: .92rem; }
.oferta-precio { text-align: center; margin: 26px 0 22px; padding: 22px 16px; border-radius: var(--radio-sm); background: linear-gradient(135deg, rgba(34,201,195,.14), rgba(8,87,94,.18)); border: 1px solid rgba(34, 201, 195, .3); }
.oferta-gancho { font-family: var(--serif); font-size: clamp(1.8rem, 6vw, 2.4rem); line-height: 1.1; }
.oferta-gancho b { font-weight: 400; font-style: italic; color: var(--turquesa-claro); }
.oferta-sub { margin-top: 8px; color: var(--tinta-2); font-size: .92rem; }

/* ---------- Urgencia ---------- */
.urgencia { display: grid; gap: 34px; align-items: center; padding: 34px 22px; border-radius: var(--radio); background: linear-gradient(145deg, rgba(242, 181, 68, .1), rgba(240, 122, 98, .05)); border: 1px solid rgba(242, 181, 68, .25); }
.reloj { text-align: center; }
.reloj-titulo { font-size: .9rem; color: var(--tinta-2); margin-bottom: 16px; }
.reloj-cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.reloj-cifras div { padding: 14px 4px; border-radius: 14px; background: rgba(5, 15, 16, .6); border: 1px solid rgba(242, 181, 68, .22); }
.reloj-cifras b { display: block; font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 8vw, 3rem); line-height: 1; color: var(--ambar); font-variant-numeric: tabular-nums; }
.reloj-cifras span { display: block; margin-top: 6px; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--tinta-3); }
.reloj-pie { margin-top: 12px; font-size: .76rem; color: var(--tinta-3); }

/* ---------- Certificado ---------- */
.certificado-rejilla { display: grid; gap: 44px; align-items: center; }
.diploma { position: relative; aspect-ratio: 1.414; max-width: 520px; width: 100%; margin: 0 auto; padding: 8% 9%; border-radius: 10px; text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4%;
  background: radial-gradient(120% 90% at 50% 0%, #0E3337, #061516 70%); border: 1px solid rgba(168, 245, 238, .25);
  box-shadow: 0 0 0 8px rgba(255,255,255,.02), 0 40px 70px -25px rgba(0,0,0,.9), 0 0 60px rgba(34, 201, 195, .12); transform: rotate(-2deg); }
.diploma::before { content: ''; position: absolute; inset: 10px; border: 1px solid rgba(168, 245, 238, .15); border-radius: 6px; pointer-events: none; }
.diploma img { height: 20px; width: auto; }
.diploma-etq { font-size: clamp(.55rem, 2vw, .72rem); letter-spacing: .22em; text-transform: uppercase; color: var(--turquesa); }
.diploma-nombre { font-family: var(--serif); font-style: italic; font-size: clamp(1.6rem, 6vw, 2.6rem); line-height: 1; border-bottom: 1px solid var(--linea-2); padding: 0 8% 6px; }
.diploma-curso { font-size: clamp(.6rem, 2.2vw, .8rem); color: var(--tinta-2); line-height: 1.5; }
.diploma-sello { position: absolute; right: 7%; bottom: 9%; width: 13%; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle, #22C9C3, #08575E); color: #fff; box-shadow: 0 0 20px rgba(34,201,195,.4); }
.diploma-sello svg { width: 50%; height: 50%; }

/* ---------- Preguntas ---------- */
.faq { border-top: 1px solid var(--linea-2); }
.pregunta { border-bottom: 1px solid var(--linea); }
.pregunta summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; font-weight: 600; font-size: 1.02rem; }
.pregunta summary::-webkit-details-marker { display: none; }
.pregunta-mas { position: relative; width: 28px; height: 28px; flex: none; border-radius: 50%; border: 1px solid var(--linea-2); }
.pregunta-mas::before, .pregunta-mas::after { content: ''; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.6px; background: #fff; transform: translate(-50%, -50%); transition: transform .3s var(--curva); }
.pregunta-mas::after { transform: translate(-50%, -50%) rotate(90deg); }
.pregunta[open] .pregunta-mas::after { transform: translate(-50%, -50%) rotate(0); }
.pregunta p { padding: 0 44px 22px 0; color: var(--tinta-2); }

/* ---------- Cierre ---------- */
.cierre { position: relative; text-align: center; padding: 120px 0 140px; overflow: hidden; }
.domo-cierre { top: 100%; width: 170%; max-width: 1500px; }
.cierre-titulo { font-family: var(--serif); font-size: clamp(2.8rem, 10vw, 5.4rem); line-height: .96; letter-spacing: -.015em; }
.cierre-titulo em { display: inline-block; }
.cierre .texto { margin: 22px auto 32px; text-align: center; }
.cierre .texto b { color: var(--ambar); }

/* ---------- Pie ---------- */
.pie { border-top: 1px solid var(--linea); padding: 28px 0 110px; }
.pie-fila { display: flex; flex-direction: column; gap: 12px; align-items: center; text-align: center; }
.pie img { height: 22px; width: auto; opacity: .85; }
.pie p { font-size: .8rem; color: var(--tinta-3); }

/* ---------- WhatsApp flotante y barra fija ---------- */
.wa-flotante { display: none; position: fixed; right: 18px; bottom: 92px; z-index: 30; width: 58px; height: 58px; border-radius: 50%; place-items: center;
  background: #25D366; color: #fff; box-shadow: 0 12px 30px rgba(0, 0, 0, .45); transition: transform .3s var(--curva); }
.wa-flotante svg { width: 30px; height: 30px; }
.wa-flotante:hover { transform: scale(1.08); color: #fff; }
.wa-flotante::after { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: onda 2.4s infinite; }
@keyframes onda { from { transform: scale(1); opacity: .8; } to { transform: scale(1.6); opacity: 0; } }
.barra-cta { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 29; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 10px 10px 18px; border-radius: 20px; background: rgba(8, 26, 28, .88); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--linea-2); box-shadow: 0 16px 40px rgba(0, 0, 0, .5); transform: translateY(140%); transition: transform .45s var(--curva); padding-bottom: calc(10px + env(safe-area-inset-bottom) / 2); }
.barra-cta.visible { transform: none; }
.barra-cta b { display: block; font-size: .88rem; line-height: 1.2; }
.barra-cta span { display: block; font-size: .74rem; color: var(--tinta-3); }

/* ---------- Ventana del cuaderno ---------- */
.modal { padding: 0; border: 0; background: transparent; color: inherit; max-width: 100vw; max-height: 100dvh; width: 100%; height: 100%; margin: 0; }
.modal::backdrop { background: rgba(2, 8, 9, .78); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.modal[open] { display: flex; align-items: flex-end; justify-content: center; }
.modal-caja { position: relative; width: 100%; max-height: 92dvh; overflow-y: auto; background: var(--bg-2); border: 1px solid var(--linea-2); border-radius: 26px 26px 0 0; padding: 26px 20px 30px;
  animation: subir .5s var(--curva); box-shadow: 0 -20px 60px rgba(0, 0, 0, .6); }
@keyframes subir { from { transform: translateY(40px); opacity: 0; } }
.modal-cerrar { position: absolute; right: 14px; top: 14px; z-index: 2; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--linea-2); background: rgba(5, 15, 16, .8); color: #fff; display: grid; place-items: center; cursor: pointer; }
.modal-cerrar svg { width: 18px; height: 18px; }
.modal-rejilla { display: grid; gap: 24px; }
.modal-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
.modal-visual > img { width: 100%; height: auto; aspect-ratio: 3/4; object-fit: cover; border-radius: 6px 12px 12px 6px; box-shadow: 0 20px 40px -15px rgba(0,0,0,.9), 0 0 0 1px var(--linea); }
.vistazo { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 3/4; border: 1px solid var(--linea); background: #0c1e20; }
.vistazo img { width: 100%; height: 100%; object-fit: cover; object-position: top; filter: saturate(.8); transform: scale(1.04); animation: recorrer 16s ease-in-out infinite alternate; }
@keyframes recorrer { to { object-position: bottom; } }
.vistazo-candado { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center; padding: 12px;
  background: linear-gradient(180deg, rgba(10,27,29,.2), rgba(10,27,29,.75)); font-size: .78rem; font-weight: 600; }
.vistazo-candado svg { width: 42px; height: 42px; padding: 10px; border-radius: 50%; background: rgba(5, 15, 16, .75); border: 1px solid var(--linea-2); }
.modal-texto h3 { font-family: var(--serif); font-size: clamp(2.2rem, 7vw, 3rem); line-height: 1; margin-bottom: 8px; }
.modal-texto .ceja { margin-bottom: 10px; }
.modal-sub { color: var(--tinta-2); font-style: italic; font-family: var(--serif); font-size: 1.3rem; line-height: 1.2; }
.modal-lista-etq { margin: 22px 0 6px; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--tinta-3); }
.modal-lista { margin-bottom: 22px; }
.modal-lista li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-top: 1px solid var(--linea); font-size: .93rem; color: var(--tinta-2); }
.modal-lista svg { width: 18px; height: 18px; color: var(--turquesa); margin-top: 3px; }
.modal-texto .btn { white-space: normal; }

/* =============================================================================
   PANTALLAS MÁS GRANDES
   ============================================================================= */
@media (min-width: 560px) {
  .flotante-2 { display: flex; }
  .biblioteca { grid-template-columns: repeat(3, 1fr); gap: 34px 22px; }
  .perfiles { grid-template-columns: 1fr 1fr; }
  .calc { padding: 32px 30px; }
  .calc-resultados { grid-template-columns: 1fr 1fr; }
  .oferta { padding: 36px 36px 40px; }
  .oferta-cabeza img { width: 130px; height: 130px; }
}

@media (min-width: 760px) {
  .seccion { padding: 120px 0; }
  .menu { display: flex; }
  .sistemas { grid-template-columns: repeat(2, 1fr); max-width: 50rem; }
  .sistemas li:last-child { grid-column: span 2; }
  .antes-despues { grid-template-columns: 1fr 1fr; }
  .columna { padding: 34px 32px; }
  .urgencia { grid-template-columns: 1.1fr 1fr; padding: 48px; }
  .modal[open] { align-items: center; padding: 24px; }
  .modal-caja { max-width: 60rem; border-radius: 28px; padding: 36px; }
  .modal-rejilla { grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: start; }
  .banda-foto { min-height: 880px; }
  .pie { padding-bottom: 40px; }
  .pie-fila { flex-direction: row; justify-content: space-between; text-align: left; }
  .barra-cta { display: none; }
  .wa-flotante { display: grid; bottom: 24px; right: 24px; }
}

@media (min-width: 980px) {
  .heroe { padding-top: 56px; }
  .heroe-rejilla { grid-template-columns: 1.15fr 1fr; gap: 56px; }
  .heroe-visual { max-width: 500px; }
  .flotante-1 { left: auto; right: -44px; top: 8%; }
  .flotante-2 { right: -52px; top: 60%; }
  .flotante-3 { left: -24px; }
  .calc-rejilla { grid-template-columns: 1fr 1.05fr; gap: 64px; }
  .biblioteca { grid-template-columns: repeat(8, 1fr); }
  .biblioteca > li { grid-column: span 2; }
  .biblioteca > li:nth-child(5) { grid-column: 2 / span 2; }
  .herr-rejilla { grid-template-columns: 1fr 1.05fr; gap: 64px; }
  .perfiles { grid-template-columns: repeat(4, 1fr); }
  .certificado-rejilla { grid-template-columns: 1.1fr 1fr; gap: 72px; }
  .sistemas { grid-template-columns: repeat(5, 1fr); max-width: none; }
  .sistemas li:last-child { grid-column: auto; }
  .banda-contenido { padding-bottom: 110px; }
  .cifras { grid-template-columns: repeat(4, 1fr); }
  .cifra, .cifra:nth-child(even) { padding: 30px 22px; border-left: 1px solid var(--linea); border-bottom: 0; }
  .cifra:first-child { border-left: 0; padding-left: 0; }
}

@media (max-width: 380px) {
  .aviso-top p:not(.aviso-cuenta) { font-size: .76rem; }
  .flotante { font-size: .72rem; padding: 8px 10px; }
  .flotante b { font-size: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .anima, .revela { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}