:root {
  --negro: #0A0907;
  --negro-2: #11100D;
  --gris-900: #1B1814;
  --gris-800: #24211D;
  --gris-700: #35312B;
  --gris-500: #777068;
  --gris-300: #B9B2A8;
  --crema: #F2EDE3;
  --crema-2: #FAF7F1;
  --oxido: #C84B20;
  --oxido-2: #9E3A18;
  --verde: #3D6B44;
  --sombra: 0 24px 70px rgba(0, 0, 0, .35);
  --serif: 'Cormorant', Georgia, serif;
  --sans: 'Epilogue', Arial, sans-serif;
  --radio: 22px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--negro);
  color: var(--crema);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.contenedor {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* NAV */
.barra-superior {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 68px;
  padding: 0 clamp(20px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(10, 9, 7, .94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(242, 237, 227, .08);
}

.logo-byloz {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.04em;
}

.logo-byloz span {
  color: var(--oxido);
}

.menu-principal {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--gris-300);
  font-size: 13px;
}

.menu-principal a:hover {
  color: var(--crema);
}

.boton-nav,
.boton-primario,
.boton-secundario,
.boton-plan {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  touch-action: manipulation;
}

.boton-nav,
.boton-primario,
.boton-plan {
  background: var(--oxido);
  color: var(--crema);
  border: 1px solid var(--oxido);
}

.boton-nav:hover,
.boton-primario:hover,
.boton-plan:hover {
  background: var(--oxido-2);
  border-color: var(--oxido-2);
  transform: translateY(-2px);
}

.boton-secundario {
  background: transparent;
  color: var(--crema);
  border: 1px solid rgba(242, 237, 227, .24);
}

.boton-secundario:hover {
  border-color: var(--crema);
  transform: translateY(-2px);
}

/* HERO */
.seccion-hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  padding: clamp(70px, 9vw, 120px) 0;
}

.fondo-cuadricula {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(242,237,227,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(242,237,227,.08) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .32;
  mask-image: radial-gradient(circle at 45% 30%, black 0 35%, transparent 75%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  align-items: center;
  gap: clamp(36px, 6vw, 86px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--oxido);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.titulo-hero,
.seccion h2,
.seccion-sentimiento h2,
.cta-final h2 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.035em;
}

.titulo-hero {
  max-width: 790px;
  font-size: clamp(46px, 8vw, 92px);
  margin-bottom: 24px;
}

.subtitulo-hero {
  max-width: 680px;
  color: var(--gris-300);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 300;
  margin-bottom: 30px;
}

.acciones-hero {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.microcopy-hero {
  color: var(--gris-500);
  font-size: 13px;
  margin-bottom: 28px;
}

.prueba-rapida {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--gris-300);
  font-size: 13px;
}

.avatares-mini {
  display: flex;
}

.avatares-mini span {
  width: 34px;
  height: 34px;
  margin-left: -8px;
  border: 2px solid var(--negro);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--oxido);
  color: var(--crema);
  font-size: 10px;
  font-weight: 800;
}

.avatares-mini span:first-child {
  margin-left: 0;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.telefono-mockup {
  width: min(100%, 340px);
  border: 1px solid rgba(242,237,227,.12);
  border-radius: 32px;
  padding: 14px;
  background: linear-gradient(180deg, var(--negro-2), var(--gris-900));
  box-shadow: var(--sombra);
  transform: rotate(-2deg);
}

.telefono-cabecera {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-radius: 20px 20px 6px 6px;
  background: var(--negro);
  color: var(--gris-300);
}

.telefono-cabecera span {
  color: var(--oxido);
  font-weight: 800;
  letter-spacing: .12em;
}

.telefono-cuerpo {
  padding: 16px 4px 4px;
}

.telefono-titulo {
  padding: 0 10px 12px;
  font-size: 15px;
  font-weight: 800;
}

.tarjeta-obra {
  margin-bottom: 10px;
  padding: 16px;
  background: var(--gris-800);
  border: 1px solid rgba(242,237,227,.08);
  border-radius: 16px;
}

.tarjeta-obra h3 {
  font-size: 13px;
  margin-bottom: 4px;
}

.tarjeta-obra p {
  color: var(--gris-300);
  font-size: 11px;
  margin-bottom: 10px;
}

.tarjeta-obra strong {
  display: block;
  color: var(--oxido);
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1;
  margin-bottom: 8px;
}

.barra-avance {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--gris-700);
}

.barra-avance span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--oxido);
}

.pildora-offline {
  margin-top: 14px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(242,237,227,.08);
  border-radius: 12px;
  color: var(--gris-300);
  font-size: 11px;
  background: var(--negro-2);
}

.pildora-offline span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--verde);
}

/* BANDA */
.banda-confianza {
  border-block: 1px solid rgba(242,237,227,.08);
  background: var(--negro-2);
}

.banda-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.banda-grid div {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(242,237,227,.08);
}

.banda-grid div:last-child {
  border-right: 0;
}

.banda-grid strong {
  color: var(--oxido);
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
}

.banda-grid span {
  color: var(--gris-300);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* SECCIONES GENERALES */
.seccion {
  padding: clamp(70px, 9vw, 120px) 0;
  border-bottom: 1px solid rgba(242,237,227,.08);
}

.grid-dos-columnas {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
}

.seccion h2,
.seccion-sentimiento h2,
.cta-final h2 {
  font-size: clamp(36px, 5.5vw, 64px);
  margin-bottom: 20px;
}

.texto-seccion,
.encabezado-centrado p,
.cta-final p {
  color: var(--gris-300);
  font-size: 16px;
  font-weight: 300;
}

.lista-dolor {
  display: grid;
  gap: 1px;
  background: rgba(242,237,227,.08);
}

.lista-dolor article {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 18px;
  padding: 24px;
  background: var(--negro);
}

.lista-dolor span,
.pasos-grid span {
  font-family: var(--serif);
  color: var(--oxido);
  font-size: 28px;
  font-weight: 700;
}

.lista-dolor h3,
.beneficios-grid h3,
.pasos-grid h3,
.plan-card h3 {
  font-size: 16px;
  margin-bottom: 7px;
}

.lista-dolor p,
.beneficios-grid p,
.pasos-grid p,
.plan-card p,
.testimonios p {
  color: var(--gris-300);
  font-size: 14px;
  font-weight: 300;
}

/* SENTIMIENTO */
.seccion-sentimiento {
  padding: clamp(76px, 10vw, 140px) 0;
  background: var(--oxido);
  color: var(--crema);
  text-align: center;
}

.sentimiento-contenido {
  max-width: 900px;
}

.seccion-sentimiento .eyebrow {
  color: rgba(255,255,255,.75);
}

.seccion-sentimiento h2 {
  font-size: clamp(44px, 7vw, 84px);
}

.seccion-sentimiento p:not(.eyebrow) {
  max-width: 720px;
  margin-inline: auto;
  color: rgba(255,255,255,.76);
  font-size: 18px;
}

/* PRODUCTO */
.seccion-producto,
.seccion-planes,
.seccion-formulario {
  background: var(--crema-2);
  color: var(--negro);
}

.seccion-producto .texto-seccion,
.seccion-planes .encabezado-centrado p,
.seccion-formulario .texto-seccion,
.seccion-producto .beneficios-grid p,
.seccion-planes .plan-card p {
  color: #55504a;
}

.marco-imagen {
  min-height: 520px;
  border-radius: var(--radio);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(10,9,7,.05), rgba(10,9,7,.84)),
    repeating-linear-gradient(135deg, #d9d0c2 0 12px, #cec4b6 12px 24px);
  color: var(--crema);
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
}

.marco-imagen span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--oxido);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 800;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 30px;
}

.beneficios-grid article {
  padding: 22px;
  border: 1px solid #ddd4c7;
  border-radius: 18px;
  background: white;
}

/* COMO FUNCIONA */
.pasos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 36px;
  background: rgba(242,237,227,.08);
}

.pasos-grid article {
  padding: 28px;
  min-height: 250px;
  background: var(--negro);
}

.cta-intermedio {
  margin-top: 36px;
  padding: 24px;
  border-radius: var(--radio);
  border: 1px solid rgba(242,237,227,.10);
  background: var(--negro-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.cta-intermedio p {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.1;
}

/* PRUEBA SOCIAL */
.metricas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: rgba(242,237,227,.08);
}

.metricas-grid div {
  padding: 22px;
  background: var(--negro-2);
}

.metricas-grid strong {
  display: block;
  color: var(--oxido);
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1;
}

.metricas-grid span {
  color: var(--gris-300);
  font-size: 11px;
  text-transform: uppercase;
}

.testimonios {
  display: grid;
  gap: 14px;
}

.testimonios article {
  padding: 30px;
  border-radius: var(--radio);
  background: var(--negro-2);
  border: 1px solid rgba(242,237,227,.08);
}

.testimonios p {
  font-family: var(--serif);
  color: var(--crema);
  font-size: 22px;
  font-style: italic;
  line-height: 1.35;
}

.testimonios footer {
  margin-top: 18px;
  color: var(--oxido);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* PLANES */
.encabezado-centrado {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.encabezado-centrado .eyebrow {
  justify-content: center;
}

.planes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.plan-card {
  position: relative;
  padding: 30px;
  border: 1px solid #ded5c8;
  border-radius: var(--radio);
  background: white;
  box-shadow: 0 16px 44px rgba(0,0,0,.08);
}

.plan-destacado {
  background: var(--negro);
  color: var(--crema);
  border-color: var(--negro);
  transform: translateY(-10px);
}

.etiqueta-plan {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--oxido);
  color: var(--crema);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.precio {
  margin: 24px 0;
  padding-block: 20px;
  border-block: 1px solid #ded5c8;
}

.plan-destacado .precio {
  border-color: rgba(242,237,227,.14);
}

.precio strong {
  display: block;
  font-family: var(--serif);
  font-size: 58px;
  line-height: .9;
}

.precio span {
  color: var(--gris-500);
  font-size: 13px;
}

.plan-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-card li {
  display: flex;
  gap: 10px;
  color: #55504a;
  font-size: 14px;
}

.plan-destacado li,
.plan-destacado p {
  color: var(--gris-300);
}

.plan-card li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--oxido);
  flex: 0 0 7px;
}

.boton-plan {
  width: 100%;
}

.garantia-acero {
  margin-top: 24px;
  padding: 24px;
  border-radius: var(--radio);
  background: #efe5d7;
  color: var(--negro);
  border-left: 5px solid var(--oxido);
}

/* FORMULARIO */
.formulario-grid {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: clamp(30px, 6vw, 76px);
  align-items: start;
}

.alerta-cupos {
  margin-top: 26px;
  padding: 18px;
  border-radius: 16px;
  background: #efe5d7;
  border: 1px solid #ded5c8;
  color: #5c5147;
  font-weight: 600;
}

.formulario-lead {
  display: grid;
  gap: 12px;
  padding: 28px;
  border-radius: var(--radio);
  background: white;
  box-shadow: 0 16px 44px rgba(0,0,0,.08);
}

.formulario-lead label {
  font-size: 12px;
  color: #4c463f;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.formulario-lead input,
.formulario-lead select {
  min-height: 54px;
  width: 100%;
  border: 1px solid #d9d0c2;
  border-radius: 14px;
  padding: 0 16px;
  background: #fffaf3;
  color: var(--negro);
  outline: none;
}

.formulario-lead input:focus,
.formulario-lead select:focus {
  border-color: var(--oxido);
  box-shadow: 0 0 0 4px rgba(200,75,32,.12);
}

.boton-formulario {
  width: 100%;
  border: 0;
  margin-top: 8px;
  cursor: pointer;
}

.nota-formulario,
.link-whatsapp-form {
  color: #665e55;
  font-size: 12px;
  text-align: center;
}

.link-whatsapp-form {
  color: var(--oxido-2);
  font-weight: 800;
}

/* FAQ */
.faq-contenedor {
  max-width: 900px;
}

.faq-contenedor details {
  border-bottom: 1px solid rgba(242,237,227,.10);
  padding: 22px 0;
}

.faq-contenedor summary {
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 800;
}

.faq-contenedor summary::-webkit-details-marker {
  display: none;
}

.faq-contenedor summary::after {
  content: "+";
  float: right;
  color: var(--oxido);
}

.faq-contenedor details[open] summary::after {
  content: "–";
}

.faq-contenedor p {
  margin-top: 14px;
  color: var(--gris-300);
}

/* CTA FINAL */
.cta-final {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--oxido);
  color: var(--crema);
  text-align: center;
}

.cta-final-contenido {
  max-width: 900px;
}

.cta-final .eyebrow {
  color: rgba(255,255,255,.8);
}

.cta-final p {
  max-width: 700px;
  margin: 0 auto 28px;
  color: rgba(255,255,255,.78);
}

.boton-primario.oscuro {
  background: var(--negro);
  border-color: var(--negro);
}

.boton-secundario.claro {
  color: white;
  border-color: rgba(255,255,255,.35);
}

.postdata {
  margin-top: 28px !important;
  font-size: 13px !important;
}

/* FOOTER */
.pie-pagina {
  padding: 44px 0 26px;
  background: var(--negro);
  color: var(--gris-300);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 34px;
}

.footer-logo {
  display: inline-flex;
  margin-bottom: 12px;
}

.pie-pagina h3 {
  color: var(--crema);
  margin-bottom: 12px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.pie-pagina a {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
}

.pie-pagina a:hover {
  color: var(--crema);
}

.legal-footer {
  padding-top: 20px;
  border-top: 1px solid rgba(242,237,227,.08);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 11px;
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .menu-principal {
    display: none;
  }

  .hero-grid,
  .grid-dos-columnas,
  .formulario-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: flex-start;
  }

  .beneficios-grid,
  .pasos-grid,
  .planes-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .plan-destacado {
    transform: none;
  }

  .cta-intermedio {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .contenedor {
    width: min(100% - 28px, var(--max));
  }

  .barra-superior {
    min-height: 64px;
    padding-inline: 14px;
  }

  .logo-byloz {
    font-size: 26px;
  }

  .boton-nav {
    min-height: 42px;
    padding: 11px 14px;
    font-size: 10px;
  }

  .seccion-hero {
    min-height: auto;
    padding: 56px 0 70px;
  }

  .titulo-hero {
    font-size: clamp(42px, 13vw, 60px);
  }

  .acciones-hero,
  .boton-primario,
  .boton-secundario {
    width: 100%;
  }

  .banda-grid,
  .beneficios-grid,
  .pasos-grid,
  .planes-grid,
  .metricas-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .banda-grid div {
    min-height: 82px;
    border-right: 0;
    border-bottom: 1px solid rgba(242,237,227,.08);
  }

  .marco-imagen {
    min-height: 360px;
  }

  .seccion h2,
  .seccion-sentimiento h2,
  .cta-final h2 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .telefono-mockup {
    width: 100%;
    transform: none;
  }

  .legal-footer {
    flex-direction: column;
  }
}