:root {
    --primary-color: #ffffff;
    --primary-color-hover: hsl(0, 0%, 97%);
    --primary-color-focus: hwb(0 100% 0% / 0.302);
    --primary-color-active: hsl(0, 0%, 94%);
    --secondary-color: #1b1d20;
    --secondary-color-hover: hsl(216, 8%, 9%);
    --secondary-color-focus: hwb(216 11% 87% / 0.302); 
    --secondary-color-active: hsl(216, 8%, 6%);

    --tertiary-color:hsl(280, 100%, 50%);

    --tertiary-color-hover: hsl(280, 100%, 47%);
    --tertiary-color-focus: hwb(280 0% 0% / 0.302);
    --tertiary-color-active: hsl(280, 100%, 44%);
    --error-color: #ba1a1a;
    --color-neutral-99: GhostWhite;
    --color-neutral-95: hsl(216, 8%, 95%);
    --color-neutral-80: LightGrey;
    --color-neutral-60: DarkGrey;
    --color-neutral-50: hsl(0, 0%, 50%);
    --color-neutral-40: DimGrey;
    --color-neutral-30: hsl(0, 0%, 30%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

/* Efectos */

/* Trancisiones */

html {
    scroll-behavior: smooth;
    scroll-padding-top: 79px;
}

/* Elevaciones */

.elevacion-1 {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.elevacion-2 {
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.1);
}

.elevacion-3 {
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
}


/* Iconos pequeños */
.material-symbols-outlined {
  font-variation-settings:
  'FILL' 1,
  'wght' 600,
  'GRAD' 0,
  'opsz' 24
}

/* Iconos grandes */
.iconos-grandes {
    color: var(--tertiary-color);
    font-size: 36px; 
    font-variation-settings:
    'FILL' 1,
    'wght' 700,
    'GRAD' 0,
    'opsz' 36
}


/* Elementos */

body {
    font-family: Inter, system-ui, Helvetica, sans-serif;
    font-size: 1rem;
}

a{
    text-decoration: none;
}

.logo {
    font-weight: bold;
    display: flex;
    align-self: center;
    gap: 12px;
}

.logo img {
    width: 40px;
    color: var(--error-color);
}

.logo a {
    font-size: 21px;
}

h1 {
    font-size: 72px;
    line-height: 72px;
    font-weight: 900;
}

h2 {
    font-size: 36px;
    font-weight: 900px;
}

h3 {
    font-size: 24px;
    font-weight: 700px;
}

h4 {
    font-size: 16px;
    font-weight: 400;
}

fieldset {
    display: flex;
    gap: 16px;
}

input[type='radio'] {
    accent-color: var(--tertiary-color);
}

.lista-items span {
    color: var(--tertiary-color);
}

.lista-items ul {
    display: inline-flex;
    gap: 24px;
}

.lista-items li {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    list-style: none;
    margin-right: 16px;
}

.lista-items p {
    font-weight:700;
}

/* Agregar un script en JS para que pase de Transparente al color secundariuo al abandonar la pocision inicial; usar la regla '.scrolled' */

header {
    color: var(--primary-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0px 50px;
}

nav hr {
    visibility: hidden;
}

.menu-hamburguesa {
    display: none;
    position: relative;
    filter: invert();
    cursor: pointer;
}

.menu-hamburguesa img {
    width: 30px;
    height: 30px;
}

.menu-desplegable {
    display: flex;
} 

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 16px;
}

.nav-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links button {
    padding: 10px 15px;
    border-radius: 10px;
    cursor: pointer;
    background-color: var(--tertiary-color-active);
    border-color: var(--tertiary-color-active);
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
}

/* Agregar un script en JS para que al abandonar el banner hero, el fondo se tiña del color secundario. */
.scrolled {
    background-color: var(--secondary-color);
}

/*MENU hamburguesa*/

@media (max-width: 720px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 20px;
    } 

    .menu-hamburguesa {
        display: block;
        position: absolute;
        right: 20px;
        top: 25px;
    }

    .menu-desplegable {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        background-color: var(--secondary-color);
        position: absolute;
        top: 80px;
        left: 0;
        padding: 10px 0;
        z-index: 999;
    }

    .menu-desplegable.open {
        display: flex;
    }

    nav .top-bar {
        width: 100%;
        justify-content: space-between;
        position: relative;
    }

    nav .logo {
        margin-block: 28px;
    }

    nav .nav-links {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }
        

    nav hr {
        visibility: visible;
        margin: 0;
    }

}

button {
    border-radius: 10px;
    padding: 16px 32px;
    text-align: center;
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    margin: 16px 8px;
    cursor:  pointer;
}

.filled {
    border: 2px solid var(--tertiary-color);
    background-color: var(--tertiary-color);
    color: var(--primary-color);
}

.filled:hover {
    background-color: var(--color-neutral-50);
    border-color: var(--tertiary-color-hover);
}

.outlined {
    border: 2px solid var(--color-neutral-50);
    background-color: transparent;
    color: var(--color-neutral-40);
}

.outlined:hover {
    color: var(--secondary-color-hover);
    border-color: var(--secondary-color-hover);
}

:focus, :focus-visible {
    border-color: var(--tertiary-color);
    outline: transparent;
}

button:focus, input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 7px var(--tertiary-color-focus);
}

/* ### Botones */

.logo a{
    color: white;
    text-decoration: none;
}

/* ### Comportamientos */
 
header .logo:hover {
    animation: tilt-n-move-shaking 0.25s infinite;
}
 
@keyframes tilt-n-move-shaking {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(5px, 5px) rotate(5deg); }
    50% { transform: translate(0, 0) rotate(0deg); }
    75% { transform: translate(-5px, 5px) rotate(-5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}
 
.nav-links a:hover {
    color: var(--tertiary-color);
}
 
.nav-links button:hover{
    background-color: var(--tertiary-color);
    color: var(--primary-color);
}

/* ## Contenedores */

section {
    padding: 60px 20px;
}

.container {
    max-width: 1200px;
    margin: 0px auto;
}

.content > * {
    padding: .5rem;
}

.tarjetas {
    display:flex;
    gap: 24px;
}

.tarjetas > * {
    flex-basis: 100%;

}

.tarjeta {
    display: flex;
    flex-direction: column;
    background-color: var(--primary-color);
    border-radius: 20px;
    padding: 24px;
}

/* ## Comportamientos */

.tarjeta:hover.interactiva {
    background-color: var(--primary-color-hover);
    color:black;
    cursor: pointer;
}

.tarjeta:hover.interactiva   span {
    color:var(--tertiary-color-hover);
}


/* ## Botones */

button {
    border-radius: 10px;
    padding: 16px 32px;
    text-align: center;
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    margin: 16px 8px;
    cursor: pointer;
}

.volanta {
    font-size: medium;
    font-weight: 600;
    color: var(--color-neutral-40);
    display:inline;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chips li {
    font-size: small;
    font-weight: 600;
    background-color: var(--color-neutral-95);
    color: var(--color-neutral-40);
    display:inline;
    padding: 8px 12px;
    border-radius: 8px;
    

}

/* ### Comportamientos*/

.filled {
    border: 2px solid var(--tertiary-color);
    background-color: var(--tertiary-color);
    color: var(--primary-color)
}

.filled:hover {
    background-color: var(--tertiary-color-hover);
    border-color: var(--tertiary-color-hover);
}

.outlined {
    border: 2px solid var(--color-neutral-50);
    background-color: transparent;
    background-repeat: no-repeat;
    overflow: hidden;
    color: var(--color-neutral-40);
}

.outlined:hover {
    color: var(--secondary-color-hover);
    border-color: var(--secondary-color-hover);
}

:focus, :focus-visible {
    border-color: var(--tertiary-color);
    outline: transparent;
}

button:focus, input:focus, select:focus, textarea:focus, fieldset > input:focus {
    box-shadow: 0 0 7px var(--tertiary-color-focus);
}


/* Secciones de la pagina */

/* # Hero-banner */

#hero-banner {
    background-image: url(../img/banner-hero-grande.jpg);
    background-size: cover;
    background-position: Center;
    box-shadow: inset 0 0 0 2000px rgba(0, 0, 0, 0.8);
}

#hero-banner .container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}


/* # Acerca de */

#acerca-de .container {
    max-width: 1080px;
    justify-content: center;
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 36px;
    width: 100%;
}

#acerca-de .texto {
    align-items: center;
    display: flex;
    gap: 36px;
}

#acerca-de .video {
    aspect-ratio: 16 / 9;
    width: 100%;
}

#acerca-de iframe {
    width: 100%;
    height: 100%;
}

@media(max-width:720px) {
    #acerca-de .texto {
        display:flex;
        flex-direction: column;
        align-items: start;
        text-align: left;
        gap: 16px;
    }
}

/* # Nuestros cursos */

#nuestros-cursos .container {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

#nuestros-cursos .descripcion {
    max-width: 720px;
    text-align: center;
    margin-bottom: 24px;
}

#nuestros-cursos .tarjeta {
    max-width: 290px;
    min-width: 240px;
    gap:16px;
}

#nuestros-cursos .tarjeta button {
    margin: 0 auto;
    width: 100%;
}

@media(max-width:940px) {
    .tarjetas {
        display: flex;
        flex-direction: column;
        min-width: 300px;
    }
}

/* # Test nivel */

#test-nivel {
    background-image: url(../img/test-nivel-mediana.jpg);
    background-size: cover;
    background-position: Center;
    box-shadow: inset 0 0 0 2000px rgba(0, 0, 0, 0.8);
}

#test-nivel .container {
    display: flex;

    gap: 24px;
}

#test-nivel .titulares {
    text-align: left;
    min-width: 33%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#test-nivel .descripcion {
    text-align: left; 
    margin-top: 16px 0 0 0;
    gap: 16px;  
}

#test-nivel button {
    padding: 16px 16px;
    margin: 16px 4px 0 4px;
}

@media(max-width:720px) {
    #test-nivel .container {
        flex-direction: column;
    }

    #test-nivel .titulares {
        text-align: left;
    }
}

/* # Detalles cursos */

#detalles-cursos .container {
    max-width: 1080px;
    display:flex;
    gap: 36px;
    padding: 48px;
    border-radius: 20px;
}

#detalles-cursos .container.reverse {
    flex-direction: row-reverse;
}

#detalles-cursos .texto-curso {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#detalles-cursos img {
    border-radius: 10px;
    height: 100%;
    width: 25vw;
    object-fit: cover;    
}

#detalles-cursos .volanta {
    font-size:large;
}

#detalles-cursos .pros {
    padding-left: 30px;
    list-style: none;
}

#detalles-cursos .pros li:before{
    content: '✓ ';
    color: var(--tertiary-color);
    font-weight: 900;
  } 

#detalles-cursos button {
    margin: 8px 16px 0 0;
    padding: 16px 18px;
}

/* # Comportamiento Responsive */

@media(max-width:940px) {

    #detalles-cursos .imagen-curso {
        display:none
    }

    #detalles-cursos .container {
        max-width: 720px;
        gap: 0px;
    }

    #detalles-cursos .pros li:before {
        padding-left: 0px;
    }
} 

/* # Formulario */

#contacto .container {
    display: flex;
    justify-content: space-between;
    gap: 48px;
}

#contacto .container > * {
    flex-basis: 100%;
}

#contacto :is(h2, p)  {
    padding-bottom: 16px;
}

#ponete-en-contacto {
    margin-top: 24px;
}

#ponete-en-contacto .nuestros-datos {
    display: block;
}

#ponete-en-contacto .tarjeta {
    margin: 8px 0;
    width: fit-content;
}

#ponete-en-contacto .dato-contacto  {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 16px;
}

/* Arreglos */

#ponete-en-contacto  .dato-contacto p  {
    padding-bottom: 0px;
}

#te-contactamos :is(.form-control, textarea) {
    display: flex;
    flex-direction: column;
}

.form-control, .form-terms {
    margin: 16px 0;
}

input, select, textarea, fieldset {
    padding: 12px;
    border: 2px solid var(--color-neutral-80);
    border-radius: 7px;
    font-size: 16px;
    color: var(--secondary-color);
    cursor: pointer;
}

textarea {
    font-family: Inter, Arial, Helvetica, sans-serif;
}



#te-contactamos .letra-chica{
    font-size: small;
}

#te-contactamos button {
    margin: 0 auto;
    width: 100%;
}

/* Comportamiento - Mensajes de error */

.error {
    color: var(--error-color);
    font-size: 0.9em;
    margin-top: 2px;
}


.status-message {
    color: green;
    font-size: 1em;
    margin-top: 10px;
}

::placeholder, .placeholder {
    color: var(--color-neutral-60);
    font-weight: 400;
}

@media(max-width:720px) {
    #contacto .container {
        display: inline;
    }

    #ponete-en-contacto {
        text-align: center;
    }

    #ponete-en-contacto .nuestros-datos {
        display: flex;
        justify-content:center;
        align-items: center;
        justify-content: space-evenly;
        padding-bottom: 48px;
    }

    #ponete-en-contacto  .dato-contacto  {
        display: block;
        padding-bottom: 16px;
    }
}

@media(max-width:460px) {
    #ponete-en-contacto .nuestros-datos {
        display: flex;
        flex-direction: column;
    }
}

/* ## Comportamientos */

#ponete-en-contacto  .interactiva.dato-contacto:hover {
    background-color: var(--primary-color-hover);
    color:black;
}

#ponete-en-contacto  .interactiva.dato-contacto:hover  span {
    color:var(--tertiary-color-hover);
}

/* # Pie de página */

#footer {
    padding: 36px 0 36px 0;
}

#footer .link {
    width: 360px;
    text-align: center;
}

#footer .descripcion p {
    width: 360px;
    text-align: left;
    padding-top: 16px;
    margin-bottom: 24px;
}

.footer-link {
    display: flex;
    padding: 30PX;
    justify-content:space-evenly;
}

.link h3 {
    font-size: 18px;
    line-height: 24px;
    margin: 10px;
    text-transform: uppercase;

}

.link p, .link a {
    font-size: 14px;
    line-height: 24px;
    color: var(--color-neutral-60);
    display: block;
    margin-bottom: 20px;
}

.link a:hover {
    color: var(--tertiary-color);
}

.socials {
    display: flex;
    margin-bottom: 15px;
    justify-content: center;
}

.socials a {
    display: inline-block;
    min-height: 40px;
    width: 40px;
    background-color: transparent;
    margin: 0 10px 0 0;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    color: var(--color-neutral-99);
    font-size: 20px;
    padding: 0;
    justify-content: center;
    align-content: center;
}

.socials a:hover {
    background-color: transparent;
} 

hr {
    border: 1px solid var(--color-neutral-40);
    margin: 35px 0;
}

.footer-text {
    display:flex;
    justify-content: space-evenly;
    padding: 30px;
}

.footer-text a {
    font-size: 15px;
    color: var(--color-neutral-60);
}

.footer-link form {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
    margin-top: 16px;
}

/* ## Comportamientos */

.footer-text a:hover {
    color: var(--tertiary-color);
}

/* ## Responsive */

@media(max-width:720px) {

    #footer {
        padding: 30px;
    }   
    
    #footer .link {
        width: 100%;
    }

    #footer .descripcion p {
        width: 100%;
        text-align: center;
    }

    #footer .logo {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .footer-link {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .socials {
        justify-content: center;
    }

    .footer-text {
        text-align: center;
    }

}


/* Estilos particulares */

/* ## tema claro */

.tema-claro {
    background-color: var(--primary-color);
    color: var(--secondary-color)
}

.tonal {
    background-color: var(--color-neutral-95);
    color: var(--secondary-color);
}

/* ## tema oscuro */

.tema-oscuro {
    background-color: var(--secondary-color);
    color: var(--color-neutral-99);
}

/* ### Comportamientos botones */

.tema-oscuro .filled {
    background-color: var(--tertiary-color-active);
    border-color: var(--tertiary-color-active);
    /* color: var(--secondary-color) */
}

.tema-oscuro .filled:hover {
    background-color: var(--tertiary-color);
    border-color: var(--tertiary-color);
}

.tema-oscuro .outlined {
    border: 2px solid var(--color-neutral-60);
    color: var(--color-neutral-80);
}

.tema-oscuro .outlined:hover {
    color: var(--primary-color-hover);
    border-color: var(--color-neutral-80);
}