/* =========================================================
   VARIABLES
   ========================================================= */

:root {
  --azul-oscuro: #03131c;
  --azul-medio: #071d27;
  --turquesa: #08b9c8;
  --turquesa-hover: #009dab;
  --blanco: #ffffff;
  --texto: #111820;
  --gris: #566168;
  --gris-claro: #f6f7f8;
  --borde: #dfe4e7;
  --error: #c62828;
}


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

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--texto);
  background: var(--blanco);
  font-family: "Montserrat", Arial, sans-serif;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.contenedor {
  width: min(1380px, calc(100% - 70px));
  margin-right: auto;
  margin-left: auto;
}


/* =========================================================
   ENCABEZADO
   ========================================================= */

.encabezado {
  width: 100%;
  height: 155px;
  position: relative;
  z-index: 100;
  background: var(--azul-oscuro);
}

.navegacion {
  height: 135px;
  display: flex;
  align-items: center;
}


/* Logo superior grande */

.logo-athina {
  width: 400px;
  height: 210px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
}

.logo-athina img {
  width: 350px;
  height: 220px;
  object-fit: contain;
  object-position: center;
}


/* Menú */

.menu-principal {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-left: auto;
}

.menu-principal a {
  height: 135px;
  display: flex;
  align-items: center;
  position: relative;
  color: var(--blanco);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.menu-principal a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 29px;
  left: 0;
  height: 3px;
  background: var(--turquesa);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.menu-principal a:hover,
.menu-principal a.activo {
  color: var(--turquesa);
}

.menu-principal a:hover::after,
.menu-principal a.activo::after {
  transform: scaleX(1);
}


/* Redes superiores */

.redes-encabezado {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-left: 42px;
}

.red-social-superior {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.red-social-superior img {
  width: 70x;
  height: 70px;
  object-fit: contain;
}

.red-social-superior:last-child img {
  width: 58px;
  height: 58px;
}


/* Botón menú móvil */

.boton-menu {
  width: 45px;
  height: 45px;
  display: none;
  margin-left: auto;
  padding: 7px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.boton-menu span {
  width: 100%;
  height: 2px;
  display: block;
  margin: 6px 0;
  background: var(--blanco);
}

/* =========================================================
   SECCIÓN CONTACTO
   ========================================================= */

.seccion-contacto {
  min-height: 710px;
  padding: 65px 0 70px;
  background:
    radial-gradient(
      circle at 18% 28%,
      rgba(8, 185, 200, 0.035),
      transparent 31%
    ),
    #fafafa;
}

.contenido-contacto {
  display: grid;
  grid-template-columns: 430px minmax(0, 1fr);
  gap: 65px;
  align-items: start;
}


/* =========================================================
   INFORMACIÓN IZQUIERDA
   ========================================================= */

.informacion-contacto {
  padding-top: 13px;
}

.titulo-contacto {
  margin-bottom: 25px;
}

.titulo-contacto h1 {
  max-width: 400px;
  color: #11181d;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.titulo-contacto span {
  width: 50px;
  height: 4px;
  display: block;
  margin-top: 17px;
  background: var(--turquesa);
}

.descripcion-contacto {
  max-width: 410px;
  margin-bottom: 30px;
  color: #38434a;
  font-size: 16px;
  line-height: 1.75;
}


/* Beneficios */

.beneficios-contacto {
  padding: 24px 22px;
  background: #f2f4f5;
  border-radius: 9px;
}

.beneficio-contacto {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 22px;
}

.beneficio-contacto:last-child {
  margin-bottom: 0;
}

.icono-beneficio-contacto {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icono-beneficio-contacto img {
  width: 67px;
  height: 67px;
  max-width: none;
  object-fit: contain;
}

.texto-beneficio-contacto h2 {
  margin-bottom: 6px;
  color: #161d21;
  font-size: 15px;
  font-weight: 700;
}

.texto-beneficio-contacto p {
  color: #465159;
  font-size: 13px;
  line-height: 1.55;
}


/* =========================================================
   FORMULARIO
   ========================================================= */

.contenedor-formulario {
  min-width: 0;
}

.formulario-contacto {
  padding: 42px 46px 38px;
  background: var(--blanco);
  border: 1px solid rgba(223, 228, 231, 0.72);
  border-radius: 14px;
  box-shadow: 0 13px 40px rgba(0, 0, 0, 0.07);
}

.fila-formulario {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.grupo-formulario {
  margin-bottom: 27px;
}

.grupo-formulario label {
  display: block;
  margin-bottom: 9px;
  color: #22292e;
  font-size: 13px;
  font-weight: 600;
}

.grupo-formulario input,
.grupo-formulario select,
.grupo-formulario textarea {
  width: 100%;
  color: #20282d;
  background: var(--blanco);
  border: 1px solid #cfd6da;
  border-radius: 5px;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.grupo-formulario input,
.grupo-formulario select {
  height: 53px;
  padding: 0 16px;
}

.grupo-formulario textarea {
  min-height: 176px;
  padding: 15px 16px;
  line-height: 1.6;
  resize: vertical;
}

.grupo-formulario input::placeholder,
.grupo-formulario textarea::placeholder {
  color: #929ba0;
}

.grupo-formulario input:focus,
.grupo-formulario select:focus,
.grupo-formulario textarea:focus {
  border-color: var(--turquesa);
  box-shadow: 0 0 0 3px rgba(8, 185, 200, 0.12);
}

.grupo-formulario.campo-error input,
.grupo-formulario.campo-error select,
.grupo-formulario.campo-error textarea {
  border-color: var(--error);
}

.mensaje-error {
  min-height: 18px;
  display: block;
  margin-top: 6px;
  color: var(--error);
  font-size: 11px;
}


/* Botón */

.contenedor-boton-formulario {
  text-align: center;
}

.boton-enviar-whatsapp {
  min-width: 460px;
  min-height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  padding: 0 34px;
  color: var(--blanco);
  background: var(--turquesa);
  border-radius: 33px;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.boton-enviar-whatsapp:hover {
  transform: translateY(-2px);
  background: var(--turquesa-hover);
  box-shadow: 0 9px 22px rgba(8, 185, 200, 0.25);
}

.boton-enviar-whatsapp img {
  width: 43px;
  height: 43px;
  flex-shrink: 0;
  object-fit: contain;
}

.boton-enviar-whatsapp span {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.aviso-formulario {
  margin-top: 18px;
  color: #555f65;
  font-size: 12px;
  line-height: 1.5;
}


/* =========================================================
   FOOTER
   ========================================================= */

.pie-pagina {
  padding: 46px 0 18px;
  color: var(--blanco);
  background: var(--azul-oscuro);
}

.contenido-footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.55fr;
  gap: 60px;
}

.columna-logo-footer {
  display: flex;
  align-items: flex-start;
}

.columna-logo-footer img {
  width: 245px;
  height: 180px;
  object-fit: contain;
}

.columna-footer {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.columna-footer h3 {
  margin-bottom: 18px;
  color: var(--turquesa);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.columna-footer > a:not(.enlace-con-icono) {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 14px;
  line-height: 1.4;
}

.columna-footer a:hover {
  color: var(--turquesa);
}

.enlace-con-icono {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 14px;
  line-height: 1.45;
}

.enlace-con-icono img {
  width: 43px;
  height: 43px;
  flex-shrink: 0;
  object-fit: contain;
}

.copyright {
  margin-top: 31px;
  padding-top: 17px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}


/* =========================================================
   PANTALLAS MEDIANAS
   ========================================================= */

@media (max-width: 1280px) {

  .contenedor {
    width: calc(100% - 48px);
  }

  .logo-athina {
    width: 230px;
  }

  .logo-athina img {
    width: 215px;
  }

  .menu-principal {
    gap: 23px;
  }

  .menu-principal a {
    font-size: 11px;
  }

  .redes-encabezado {
    margin-left: 24px;
  }

  .contenido-contacto {
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 45px;
  }

  .titulo-contacto h1 {
    font-size: 36px;
  }

  .formulario-contacto {
    padding: 36px 34px;
  }

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

}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {

  .encabezado,
  .navegacion {
    height: 100px;
  }

  .logo-athina {
    width: 195px;
    height: 96px;
  }

  .logo-athina img {
    width: 180px;
    height: 92px;
  }

  .boton-menu {
    display: block;
  }

  .redes-encabezado {
    display: none;
  }

  .menu-principal {
    display: none;
    position: absolute;
    top: 100px;
    right: 0;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 24px 20px;
    background: var(--azul-oscuro);
  }

  .menu-principal.abierto {
    display: flex;
  }

  .menu-principal a {
    height: auto;
    padding: 15px 0;
    font-size: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .menu-principal a::after {
    display: none;
  }

  .seccion-contacto {
    padding-top: 45px;
  }

  .contenido-contacto {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .informacion-contacto {
    padding-top: 0;
  }

  .titulo-contacto h1,
  .descripcion-contacto {
    max-width: none;
  }

  .beneficios-contacto {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .beneficio-contacto {
    grid-template-columns: 1fr;
    align-items: start;
    margin-bottom: 0;
    text-align: center;
  }

  .icono-beneficio-contacto {
    margin-right: auto;
    margin-left: auto;
  }

}


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

@media (max-width: 650px) {

  .contenedor {
    width: calc(100% - 30px);
  }

  .titulo-contacto h1 {
    font-size: 31px;
  }

  .descripcion-contacto {
    font-size: 14px;
  }

  .beneficios-contacto {
    grid-template-columns: 1fr;
  }

  .beneficio-contacto {
    grid-template-columns: 72px minmax(0, 1fr);
    text-align: left;
  }

  .fila-formulario {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .formulario-contacto {
    padding: 28px 20px;
  }

  .boton-enviar-whatsapp {
    width: 100%;
    min-width: 0;
    padding: 0 20px;
  }

  .boton-enviar-whatsapp span {
    font-size: 11px;
  }

  .contenido-footer {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .columna-logo-footer img {
    width: 210px;
    height: 145px;
  }

}