/* ==================================================
   MATEMÁTICA CON SENTIDO
   ESTILOS COMPLETOS DE LA PÁGINA GENERAL
================================================== */


/* ==================================================
   CONFIGURACIÓN GENERAL
================================================== */

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

.menu .enlace-activo {
  color: #d4a62a;
}

#que-es,
#como-se-aprende,
#grados {
  scroll-margin-top: 110px;
}


/* ==================================================
   PORTADA
================================================== */

.portada-matematica {
  position: relative;
  overflow: hidden;
  padding: 78px 0 88px;
  background:
    radial-gradient(
      circle at 88% 18%,
      rgba(242, 140, 40, 0.12),
      transparent 28%
    ),
    linear-gradient(
      135deg,
      #f8f4ec 0%,
      #ffffff 100%
    );
}

.portada-matematica::before {
  content: "";
  position: absolute;
  top: -155px;
  right: -135px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(212, 166, 42, 0.28);
  border-radius: 50%;
}

.portada-matematica::after {
  content: "";
  position: absolute;
  left: 7%;
  bottom: -115px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(31, 95, 168, 0.12);
  border-radius: 50%;
}

.portada-matematica-contenido {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns:
    minmax(0, 1.08fr)
    minmax(360px, 0.92fr);
  align-items: center;
  gap: 64px;
}

.portada-matematica-texto {
  min-width: 0;
  max-width: 720px;
}

.portada-matematica h1 {
  margin: 14px 0 24px;
  color: #071a33;
  font-size: clamp(2.8rem, 4.6vw, 4.45rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.portada-matematica-descripcion {
  max-width: 680px;
  margin: 0;
  color: #44505e;
  font-size: 1.13rem;
  line-height: 1.72;
}


/* BENEFICIOS DE LA PORTADA */

.portada-matematica-beneficios {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.portada-matematica-beneficios span {
  position: relative;
  padding-left: 28px;
  color: #071a33;
  font-weight: 700;
  line-height: 1.5;
}

.portada-matematica-beneficios span::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  color: #d4a62a;
  font-weight: 800;
}


/* BOTONES DE LA PORTADA */

.portada-matematica-botones {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.portada-matematica-botones .boton-secundario {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 24px;
  color: #071a33;
  background-color: transparent;
  border: 2px solid #071a33;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.portada-matematica-botones .boton-secundario:hover {
  color: #ffffff;
  background-color: #071a33;
  transform: translateY(-2px);
}
/* IMAGEN DE LA PORTADA */

.portada-matematica-visual {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.portada-matematica-imagen {
  position: relative;
  width: 100%;
  max-width: 520px;
  padding: 18px;
  background-color: #ffffff;
  border: 1px solid #e4dccd;
  border-radius: 26px;
  box-shadow: 0 24px 60px rgba(7, 26, 51, 0.16);
}

.portada-matematica-imagen::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(212, 166, 42, 0.22);
  border-radius: 19px;
  pointer-events: none;
}

.portada-matematica-imagen img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}


/* ==================================================
   TÍTULOS GENERALES DE SECCIÓN
================================================== */

.titulo-seccion-matematica {
  max-width: 820px;
  margin: 0 auto 48px;
  text-align: center;
}

.titulo-seccion-matematica h2 {
  margin: 14px 0 18px;
  color: #071a33;
  font-size: clamp(2.2rem, 4vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.titulo-seccion-matematica > p:last-child {
  margin: 0 auto;
  color: #52606d;
  font-size: 1.08rem;
  line-height: 1.7;
}


/* ==================================================
   QUÉ ES MATEMÁTICA CON SENTIDO
================================================== */

.que-es-matematica {
  padding: 100px 0;
  background-color: #ffffff;
}

.que-es-matematica-contenido {
  display: grid;
  grid-template-columns:
    minmax(0, 0.95fr)
    minmax(0, 1.05fr);
  align-items: start;
  gap: 72px;
}

.que-es-matematica-texto {
  min-width: 0;
}

.que-es-matematica-texto h2 {
  margin: 14px 0 24px;
  color: #071a33;
  font-size: clamp(2.25rem, 4vw, 3.45rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.texto-destacado-matematica {
  margin: 0 0 22px;
  color: #071a33;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.65;
}

.que-es-matematica-texto > p:not(.etiqueta) {
  margin-top: 0;
  margin-bottom: 20px;
  color: #52606d;
  font-size: 1.04rem;
  line-height: 1.75;
}

.enlace-metodologia {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  color: #1f5fa8;
  font-weight: 800;
  text-decoration: none;
}

.enlace-metodologia:hover {
  color: #f28c28;
}


/* PILARES */

.pilares-matematica {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.pilar-matematica {
  min-width: 0;
  padding: 28px;
  background:
    linear-gradient(
      145deg,
      #ffffff 0%,
      #f8f4ec 100%
    );
  border: 1px solid #e4dccd;
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(7, 26, 51, 0.07);
}

.pilar-matematica:nth-child(2) {
  border-top: 4px solid #1f5fa8;
}

.pilar-matematica:nth-child(3) {
  border-top: 4px solid #f28c28;
}

.pilar-matematica:nth-child(4) {
  border-top: 4px solid #4caf50;
}

.numero-pilar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 38px;
  padding: 0 12px;
  margin-bottom: 18px;
  color: #071a33;
  background-color: rgba(212, 166, 42, 0.2);
  border-radius: 999px;
  font-weight: 800;
}

.pilar-matematica h3 {
  margin: 0 0 12px;
  color: #071a33;
  font-size: 1.28rem;
  line-height: 1.25;
}

.pilar-matematica p {
  margin: 0;
  color: #52606d;
  line-height: 1.65;
}


/* ==================================================
   CÓMO SE APRENDE
================================================== */

.como-se-aprende {
  padding: 100px 0;
  background:
    linear-gradient(
      135deg,
      #f8f4ec 0%,
      #ffffff 100%
    );
}

.niveles-aprendizaje {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.nivel-aprendizaje {
  position: relative;
  min-width: 0;
  padding: 30px 24px;
  background-color: #ffffff;
  border: 1px solid #e4dccd;
  border-radius: 20px;
  box-shadow: 0 14px 36px rgba(7, 26, 51, 0.07);
}

.nivel-aprendizaje::after {
  content: "";
  position: absolute;
  top: 49px;
  right: -15px;
  width: 30px;
  height: 2px;
  background-color: rgba(212, 166, 42, 0.55);
}

.nivel-aprendizaje:last-child::after {
  display: none;
}

.nivel-aprendizaje-numero {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: #071a33;
  background-color: #d4a62a;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 900;
}

.nivel-aprendizaje:nth-child(2)
.nivel-aprendizaje-numero {
  color: #ffffff;
  background-color: #1f5fa8;
}

.nivel-aprendizaje:nth-child(3)
.nivel-aprendizaje-numero {
  color: #ffffff;
  background-color: #f28c28;
}

.nivel-aprendizaje:nth-child(4)
.nivel-aprendizaje-numero {
  color: #ffffff;
  background-color: #4caf50;
}

.nivel-aprendizaje h3 {
  margin: 0 0 12px;
  color: #071a33;
  font-size: 1.22rem;
  line-height: 1.3;
}

.nivel-aprendizaje p {
  margin: 0;
  color: #52606d;
  line-height: 1.65;
}


/* ==================================================
   ELIGE TU GRADO
================================================== */

.seccion-grados {
  padding: 100px 0;
  background-color: #ffffff;
}

.rejilla-grados {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.tarjeta-grado {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 30px;
  background:
    linear-gradient(
      145deg,
      #ffffff 0%,
      #fbf8f2 100%
    );
  border: 1px solid #e4dccd;
  border-radius: 22px;
  box-shadow: 0 16px 38px rgba(7, 26, 51, 0.07);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.tarjeta-grado:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 166, 42, 0.7);
  box-shadow: 0 22px 48px rgba(7, 26, 51, 0.12);
}

/* IMÁGENES DE LAS TARJETAS POR GRADO */

.imagen-grado {
  margin: -30px -30px 24px;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
  background-color: #f8f4ec;
}

.imagen-grado img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
}

.tarjeta-grado-destacada {
  border: 2px solid #d4a62a;
  background:
    linear-gradient(
      145deg,
      rgba(212, 166, 42, 0.12) 0%,
      #ffffff 55%
    );
}

.tarjeta-grado-superior {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.estado-grado {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  color: #52606d;
  background-color: #f1eee8;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.estado-destacado {
  color: #071a33;
  background-color: rgba(212, 166, 42, 0.28);
}

.tarjeta-grado h3 {
  margin: 0 0 14px;
  color: #071a33;
  font-size: 1.48rem;
  line-height: 1.25;
}

.tarjeta-grado > p {
  margin: 0 0 20px;
  color: #52606d;
  line-height: 1.68;
}

.lista-grado {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.lista-grado li {
  position: relative;
  padding-left: 24px;
  color: #344252;
  line-height: 1.5;
}

.lista-grado li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  color: #4caf50;
  font-weight: 900;
}

.boton-grado {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: auto;
  padding: 14px 18px;
  color: #071a33;
  background-color: transparent;
  border: 2px solid #071a33;
  border-radius: 10px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.boton-grado:hover {
  color: #ffffff;
  background-color: #071a33;
}

.tarjeta-grado-destacada .boton-dorado {
  color: #071a33;
  background-color: #d4a62a;
  border-color: #d4a62a;
}

.tarjeta-grado-destacada .boton-dorado:hover {
  color: #ffffff;
  background-color: #071a33;
  border-color: #071a33;
}


/* ORIENTACIÓN */

.orientacion-grados {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  margin-top: 60px;
  padding: 38px 42px;
  color: #ffffff;
  background:
    linear-gradient(
      135deg,
      #071a33 0%,
      #12365c 100%
    );
  border-bottom: 4px solid #d4a62a;
  border-radius: 22px;
}

.orientacion-grados .etiqueta {
  color: #d4a62a;
}

.orientacion-grados h3 {
  margin: 8px 0 12px;
  color: #ffffff;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  line-height: 1.18;
}

.orientacion-grados p:not(.etiqueta) {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.65;
}

.orientacion-grados .boton {
  white-space: nowrap;
}


/* ==================================================
   TABLETA
================================================== */

@media (max-width: 1100px) {

  .portada-matematica-contenido {
    grid-template-columns:
      minmax(0, 1fr)
      minmax(320px, 0.82fr);
    gap: 40px;
  }

  .rejilla-grados {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .que-es-matematica-contenido {
    gap: 42px;
  }

  .niveles-aprendizaje {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nivel-aprendizaje::after {
    display: none;
  }

}


@media (max-width: 900px) {

  .portada-matematica-contenido {
    grid-template-columns: 1fr;
  }

  .portada-matematica-texto {
    max-width: 100%;
  }

  .portada-matematica-visual {
    justify-content: flex-start;
  }

  .portada-matematica-imagen {
    max-width: 620px;
  }

  .que-es-matematica-contenido {
    grid-template-columns: 1fr;
  }

}


/* ==================================================
   CELULAR
================================================== */

@media (max-width: 768px) {

  #que-es,
  #como-se-aprende,
  #grados {
    scroll-margin-top: 95px;
  }

  .portada-matematica {
    padding: 58px 0 68px;
  }

  .portada-matematica h1 {
    font-size: clamp(2.3rem, 11vw, 3.35rem);
    letter-spacing: -0.025em;
  }

  .portada-matematica-descripcion {
    font-size: 1.03rem;
  }

  .portada-matematica-botones {
    flex-direction: column;
    align-items: stretch;
  }

  .portada-matematica-botones .boton {
    width: 100%;
    text-align: center;
  }

  .portada-matematica-imagen {
    max-width: 100%;
    padding: 12px;
    border-radius: 20px;
  }

  .que-es-matematica,
.como-se-aprende,
.seccion-grados {
  padding: 72px 0;
}

  .que-es-matematica-contenido {
    gap: 38px;
  }

  .que-es-matematica-texto h2,
  .titulo-seccion-matematica h2 {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .pilares-matematica {
    grid-template-columns: 1fr;
  }

  .niveles-aprendizaje {
    grid-template-columns: 1fr;
  }

  .titulo-seccion-matematica {
    margin-bottom: 36px;
    text-align: left;
  }

  .titulo-seccion-matematica > p:last-child {
    margin-left: 0;
  }

  
  
  .rejilla-grados {
    grid-template-columns: 1fr;
  }

  .tarjeta-grado {
    padding: 26px 22px;
  }

  .imagen-grado {
    margin: -26px -22px 22px;
  }

  .orientacion-grados {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 42px;
    padding: 30px 24px;
  }

  .orientacion-grados .boton {
    width: 100%;
    white-space: normal;
    text-align: center;
  }

}


/* ==================================================
   CELULARES PEQUEÑOS
================================================== */

@media (max-width: 480px) {

  .portada-matematica {
    padding: 50px 0 60px;
  }

  .pilar-matematica,
  .nivel-aprendizaje {
    padding: 24px 20px;
  }

}