/* Global variables */
:root {
    --black: #0e0b09;
    --light-black: #140f07f3;
    --dark-blue: #103051;
    --blue: #0976b5;
    --light-blue: #08c3ff;
    --blue-tech: #0a5fa7;
    --aqua: #0ffff8;
    --white: #f2f2f2;
    --grey: #2a3140;
    --dark-slate: #1b1f29;
    --purple-tech: #6c3db8;
    --text-color: #ffffff;
    --light-grey: rgba(0, 0, 0, .2);
    --accent: #00f5d4;
}

html {
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

body {
    font-family: "IBM Plex Mono", monospace;
    font-weight: 500;
    font-style: normal;
    overflow-y: auto;
    background-color: var(--white);
}

h1,
footer {
    font-weight: 700;
    font-style: italic;
}

/* Header container */
.header {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 80px;
}

.header__menu {
    width: 100%;
    height: 100%;
}

.header__links {
    display: none;
    position: fixed;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100vh;
    background: var(--light-black);
    z-index: 1;
}

.header__link {
    color: var(--white);
    text-decoration: none;
    padding: 30px;
    font-size: 1.2rem;
}

.underline {
    display: inline-block;
    position: relative;
    text-decoration: none;
}

.underline::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: 0;
    left: 0;
    background: var(--purple-tech);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform .6s ease-in-out;
}

.underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
    transition: transform .6s ease-in-out;
}

.header__btn-menu {
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 1;
    display: unset;
    cursor: pointer;
}

.header__btn-menu--close {
    color: var(--white);
    position: fixed;
    top: 30px;
    left: 30px;
    z-index: 1;
    display: unset;
    visibility: hidden;
    cursor: pointer;
}

.header__btn {
    margin-top: -25px;
    margin-right: 50px;
    padding-right: 30px;
    z-index: 1;
}

@media(min-width:769px) {
    .header__btn-menu {
        top: 30px;
        left: 80px;
    }

    .header__btn-menu--close {
        top: 30px;
        left: 80px;
    }

    .header__btn {
        margin-top: -25px;
        margin-right: 100px;
    }
}

@media (min-width: 1024px) {}

.nav-desktop {
    display: none;
}

@media (min-width: 1024px) {

    html {
        scroll-padding-top: 90px;
    }

    .nav-desktop {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 80px;
        background: var(--black);
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1;
    }

    .nav-desktop__links {
        display: flex;
        gap: 5rem;
        list-style: none;
        margin: 0;
        padding: 0;
        font-size: 1.2rem;
    }

    .nav-desktop__link {
        color: var(--white);
        text-decoration: none;
        font-size: 1rem;
        position: relative;
        transition: color 0.3s ease-in-out;
        list-style-type: none;
        padding: 5px;
    }

    .nav-desktop__links>li {
        padding: 5px 0;
    }

    .header__btn-menu {
        visibility: hidden;
    }

    .header__btn-menu--close {
        visibility: hidden;
    }

    .header__btn {
        z-index: 2;
    }
}

/* Main container */
.main__container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: calc(100vh - 80px);
}

.main__profile--img {
    padding: 10px;
    width: 150px;
    border-radius: 100%;
}

.main__container--title {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    text-align: center;
    align-items: center;
    padding: 10px;
}

.main__title {
    font-size: 40px;
    white-space: nowrap;
    border-right: 5px solid;
    color: var(--dark-blue);
    margin-bottom: 25px;
}

.main__author {
    display: flex;
    font-size: 35px;
    color: var(--blue-tech);
    margin-bottom: 25px;
}

.main__subtitle {
    color: var(--dark-blue);
    font-size: 1rem;
    margin-bottom: 25px;
    font-style: italic;
    letter-spacing: 1px;
}

.main__links {
    display: flex;
    margin-bottom: 25px;
    list-style: none;
}

.main__links li {
    padding: 0 1.5em;
}

.main__links span {
    color: var(--light-blue);
}

.main__link {
    color: var(--grey);
}

.main__link-select-items {
    color: var(--white);
    font-family: inherit;
    font-weight: 400;
    font-style: normal;
    -ms-overflow-style: none;
    scrollbar-width: none;
    background: var(--grey);
    padding: 2.5px;
    border-color: var(--aqua);
    cursor: pointer;
}

/* Maintains accessibility, even if the parent is hidden */
.main__link-select-label {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border-width: 0 !important;
}

@keyframes typing {
    from {
        width: 0;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

@media(min-width:320px) and (max-width:424px) {
    .main {
        margin-top: 15px;
    }

    .main__container {
        flex-direction: column;
        align-items: center;
    }

    .main__profile--img {
        width: 100px;
    }

    .main__title {
        font-size: 15px;
    }

    .main__author {
        font-size: 20px;
    }

    .main__subtitle {
        font-size: 10px;
    }

    .main__links li {
        padding: 0px 0px;
        margin: 5px;
        font-size: 15px;
    }

    .main__link-select-items {
        font-size: 10px;
    }
}

@media(min-width:425px) and (max-width:767px) {

    .main__title {
        font-size: 20px;
    }

    .main__author {
        font-size: 20px;
    }

    .main__subtitle {
        font-size: 10px;
    }

    .main__links li {
        padding: 0px 0px;
        margin: 5px;
    }
}

/* About container */
.about__container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 50px 0;
    text-align: center;
    line-height: 1.5em;
}

.about__title {
    font-size: 25px;
    color: var(--black);
    margin-bottom: 10px;
}

.about__description {
    text-align: left;
    padding: 15px 5%;
    display: inline-block;
    font-size: 15px;
    font-style: italic;
    color: var(--black);
}

@media(min-width:425px) and (max-width:767px) {
    .about__description {
        font-size: 15px;
        margin: 0 15%;
    }
}

@media(min-width:320px) and (max-width:424px) {
    .about__description {
        font-size: 10px;
        margin: 0 10%;
    }
}

/* Skills container */
.skills__container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 50px 0;
    min-height: 100vh;
    color: var(--black);
}

.skill__title {
    font-size: 25px;
}

.skill__subtitle {
    font-size: 15px;
    font-style: italic;
    color: var(--white);
}

.skill__cards {
    display: flex;
    flex-wrap: wrap;
    padding: 15px 5%;
    gap: 20px;
    justify-content: center;
}

.skill__item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 5px;
    padding: 5px;
    border-radius: 10px;
    background: #1a1919;
    box-shadow: 5px 5px 0px #101010,
        -5px -5px 0px #242323;
    width: 150px;
    height: 100px;
    transition: transform 0.3s ease-in-out;

}

.skill__item:hover {
    transform: scale(1.2);
}

.skills__img {
    width: 30%;
}

@media(max-width:768px) {
    .skill__item {
        width: 75px;
        height: 75px;
    }

    .skill__subtitle {
        font-size: 12px;
    }
}

/* Formation container */
.formation__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 50px 0;
    color: var(--black);
}

.formation__title {
    font-size: 25px;
}

.formation__items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    flex-direction: row;
    padding: 25px 5%;
    gap: 20px;
}

/* Individual card */
.formation__item>a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    border-radius: 10px;
    background: #1a1919;
    box-shadow: 5px 5px 0px #101010,
        -5px -5px 0px #242323;
    text-align: center;
    padding: 15px;
    gap: 10px;
    width: 100%;
    max-width: 400px;
    min-height: 400px;
    box-sizing: border-box;
    text-decoration: none;
    transition: transform 0.3s ease-in-out;
}

.formation__item:hover>a {
    transform: scale(1.05);
}

.formation__img {
    flex-shrink: 0;
    border-radius: 10px;
    width: 100%;
    height: 12.5rem;
    cursor: pointer;
    box-shadow: 5px 5px 10px -1px rgba(0, 0, 0, 0.60);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.platzi {
    background-image: url(/assets/img/formation/platzi.jpg);
}

.alura {
    background-image: url(/assets/img/formation/alura.jpg);
}

.forte--chance {
    background-image: url(/assets/img/formation/forte_chance.png);
}

.foundation {
    background-image: url(/assets/img/formation/fundacion.jpg);
}

/* Texts */
.formation--info {
    font-size: 15px;
    font-style: italic;
    color: var(--white);
}

.years {
    font-size: 10px;
    opacity: 0.8;
}

/* MOBILE (320–767px) */
@media (max-width: 767px) {
    .formation__items {
        flex-direction: column;
        align-items: center;
    }

    .formation__item {
        min-height: 350px;
        width: 100%;
        max-width: none;
    }

    .formation__img {
        width: 100%;
        height: 12.5rem;
    }

    .formation--info {
        font-size: 13px;
    }

    .years {
        font-size: 9px;
    }
}

/* DESKTOP (768px) */
@media (min-width: 768px) {
    .formation__items {
        justify-content: center;
        gap: 30px;
    }

    .formation__item {
        flex: 1 1 calc(50% - 40px);
        max-width: 350px;
    }
}

/* Works Container */
.works__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px;
    min-height: 100vh;
    color: var(--white);
    gap: 30px;
}

.works__title {
    font-size: 25px;
    color: var(--black);
}

.works__section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
}

.works__items {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    flex: 1 1 300px;
    max-width: 400px;
    box-sizing: border-box;

    padding: 15px;
    border-radius: 10px;
    background: #1a1919;
    box-shadow: 5px 5px 0px #101010,
        -5px -5px 0px #242323;
    transition: transform 0.3s ease-in-out;
    gap: 10px;
}

.works__items:hover {
    transform: scale(1.05);
}

.work__img {
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 5px 5px 10px -1px rgba(0, 0, 0, 0.60);
}

.work__info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    text-align: center;
    width: 100%;
    gap: 10px;
}

.work--title {
    font-size: 20px;
}

.work--subtitle {
    font-size: 15px;
}

.work--description {
    font-size: 12px;
}

.work--button {
    text-decoration: none;
    cursor: pointer;
    color: var(--white);
    text-align: center;
    padding: 15px;
    border: 1px solid var(--dark-blue);
    border-radius: 5px;
    box-shadow: 5px 5px 10px -1px rgba(0, 0, 0, 0.60);
}

.plans {
    background: var(--purple-tech);
}

.ghost {
    background: var(--white);
    color: var(--grey);
}

/* MOBILE 320–424 */
@media (min-width: 320px) and (max-width: 424px) {
    .works__container {
        padding: 20px;
    }

    .work__img {
        width: 250px;
    }

    .work--title {
        font-size: 12px;
    }

    .work--subtitle {
        font-size: 9px;
    }

    .work--description {
        font-size: 8px;
    }

    .work--button {
        padding: 10px;
    }
}


/* TABLET / MOBILE 426–768  */
@media (min-width: 425px) and (max-width: 768px) {
    .works__container {
        padding: 30px;
    }

    .work__img {
        width: 250px;
    }

    .work--title {
        font-size: 15px;
    }

    .work--subtitle {
        font-size: 12px;
    }

    .work--description {
        font-size: 10px;
    }
}

@media (min-width: 769px) {
    .works__container {
        padding: 40px;
    }

    .works__section {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    .works__items {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        max-width: 1100px;
        width: 100%;
        gap: 30px;
        padding: 25px;
    }

    .works__items:nth-child(even) {
        flex-direction: row-reverse;
    }

    .work__img {
        width: 45%;
        max-width: 450px;
        border-radius: 10px;
    }

    .work__info {
        width: 50%;
        text-align: left;
        align-items: flex-start;
        justify-content: center;
        gap: 15px;
        display: flex;
        flex-direction: column;
    }

    .work--title {
        font-size: 20px;
    }

    .work--subtitle {
        font-size: 15px;
    }

    .work--description {
        font-size: 12px;
    }

    .work--button {
        align-self: flex-start;
        width: 180px;
        text-align: center;
        padding: 12px 0;
        min-height: 45px;
        display: inline-flex;
        justify-content: center;
        align-items: center;
        white-space: nowrap;
    }
}

/* Scroll container */
.arrow__down {
    position: fixed;
    top: calc(40vh);
    left: 30px;
    color: var(--black);
    font-size: 15px;
    writing-mode: vertical-rl;
    letter-spacing: 5px;
    text-orientation: mixed;
    animation-name: moviendrew;
    animation-duration: 0.8s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    font-weight: 600;
}

.arrow-text {
    display: inline-block;
    transform: rotate(180deg);
}

.arrow__down.hidden {
    opacity: 0;
    pointer-events: none;
}

@keyframes moviendrew {
    0% {
        transform: translateY(0px);
    }

    100% {
        transform: translateY(20px);
    }
}

/* Mobiles y tablets */
@media (max-width: 768px) {
    .arrow__down {
        left: 10px;
    }
}

/* Footer container */
.footer__container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    gap: 40px;
    font-size: 1rem;
}

.footer__container a {
    color: var(--grey);
    text-decoration: none;
    display: inline-block;
    padding: 0 10px;
}

/* Responsive: 320 a 768*/
@media (max-width: 768px) {

    .footer__container {
        line-height: 40px;
        gap: 20px;
    }

    .footer__container a {
        padding: 5px;
    }
}

.page-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 5px;
}

.main__container,
.about__container,
.skills__container,
.formation__container,
.works__container,
footer {
    scroll-snap-align: start;
    scroll-snap-stop: always;
    min-height: 100vh;
}

/* Principal title with '/' y '.' */
.formation__title::before,
.about__title::before,
.skill__title::before,
.works__title::before,
.contact__title::before {
    content: '/';
    color: var(--purple-tech);
    margin-right: 5px;
    font-weight: 700;
    display: inline-block;
    transform: translateY(-1px);
}

.formation__title::after,
.about__title::after,
.skill__title::after,
.works__title::after,
.contact__title::after {
    content: '.';
    color: var(--purple-tech);
    margin-left: 5px;
    font-weight: 700;
    display: inline-block;
    transform: translateY(-1px);
}

/* button styles */
.btn-switch {
    background: var(--black);
    border-radius: 100px;
    border: none;
    position: fixed;
    cursor: pointer;
    outline: none;
    display: flex;
}

.btn-switch span {
    width: 20px;
    height: 20px;
    line-height: 21px;
    display: block;
    background: none;
    color: var(--white);
}

.btn-switch::after {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    position: absolute;
    background-color: var(--white);
    top: -1px;
    left: 0;
    right: unset;
    border-radius: 100px;
    box-shadow: 0px 0px 2px 2px var(--light-grey);
}

.active {
    background-color: var(--purple-tech);
    color: var(--light-black);
}

.active::after {
    right: 0;
    left: unset;
}