/*==================== VARIABLES CSS ====================*/
:root {
    --header-height: 3rem;

    /* HSL color mode — purple 250 */
    --hue-color: 250;

    --first-color: hsl(var(--hue-color), 69%, 61%);
    --first-color-second: hsl(var(--hue-color), 69%, 61%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 99%);
    --container-color: #fff;
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);

    --body-font: 'Poppins', sans-serif;

    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    --font-medium: 500;
    --font-semi-bold: 600;

    --mb-0-25: .25rem;
    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;
}

@media screen and (min-width: 968px) {
    :root {
        --big-font-size: 3rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.25rem;
        --normal-font-size: 1rem;
        --small-font-size: .875rem;
        --smaller-font-size: .813rem;
    }
}

/*========== Variables Dark theme ==========*/
body.dark-theme {
    --first-color-second: hsl(var(--hue-color), 30%, 8%);
    --title-color: hsl(var(--hue-color), 8%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --input-color: hsl(var(--hue-color), 29%, 16%);
    --body-color: hsl(var(--hue-color), 28%, 12%);
    --container-color: hsl(var(--hue-color), 29%, 16%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
}

/*========== Button Dark/Light ==========*/
.nav__btns {
    display: flex;
    align-items: center;
}

.change-theme {
    font-size: 1.25rem;
    color: var(--title-color);
    margin-right: var(--mb-1);
    cursor: pointer;
}

.change-theme:hover { color: var(--first-color); }

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

html { scroll-behavior: smooth; }

body {
    margin: 0 0 var(--header-height) 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
    transition: .4s;
}

h1, h2, h3, h4 {
    color: var(--title-color);
    font-weight: var(--font-semi-bold);
}

ul { list-style: none; }
a { text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: var(--body-font); }

/*==================== REUSABLE CSS CLASSES ====================*/
.section { padding: 2rem 0 4rem; }

.section__title {
    font-size: var(--h1-font-size);
    color: var(--title-color);
}

.section__subtitle {
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
}

.section__title,
.section__subtitle { text-align: center; }

/*==================== LAYOUT ====================*/
.container {
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid { display: grid; gap: 1.5rem; }

.header {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: var(--body-color);
    transition: .4s;
}

/*==================== NAV ====================*/
.nav {
    max-width: 968px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo,
.nav__toggle {
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav__logo:hover { color: var(--first-color); }

.nav__toggle {
    font-size: 1.1rem;
    cursor: pointer;
}

.nav__toggle:hover { color: var(--first-color); }

@media screen and (max-width: 767px) {
    .nav__menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--body-color);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, .15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: .3s;
    }
}

.nav__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.nav__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    transition: color .2s ease;
}

.nav__link:hover { color: var(--first-color); }

.nav__icon {
    font-size: 1.2rem;
    margin-bottom: var(--mb-0-25);
}

.nav__close {
    position: absolute;
    right: 1.3rem;
    bottom: .5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--first-color);
}

.nav__close:hover { color: var(--first-color-alt); }

/* show menu */
.show-menu { bottom: 0; }

/* Active link */
.active-link { color: var(--first-color); }

/* Change background header */
.scroll-header { box-shadow: 0 -1px 4px rgba(0, 0, 0, .15); }

/*==================== HOME ====================*/
.home__container { gap: 1rem; }

.home__content {
    grid-template-columns: .5fr 3fr;
    padding-top: 3.5rem;
    align-items: center;
}

.home__social {
    display: grid;
    grid-template-columns: max-content;
    row-gap: 1rem;
}

.home__social-icon {
    font-size: 1.25rem;
    color: var(--first-color);
}

.home__social-icon:hover { color: var(--first-color-alt); }

.home__img {
    width: 100%;
    max-width: 240px;
    justify-self: center;
}

.home__img svg { width: 100%; height: auto; display: block; }

.home__data { grid-column: 1 / 3; }

.home__title { font-size: var(--big-font-size); }

.home__subtitle {
    font-size: var(--h3-font-size);
    color: var(--text-color);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.home__description { margin-bottom: var(--mb-2); }

.home__scroll { display: none; }

.home__scroll-button {
    color: var(--first-color);
    transition: .3s;
}

.home__scroll-button:hover { transform: translateY(.25rem); }

.home__scroll-mouse { font-size: 2rem; }

.home__scroll-name {
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    margin-right: var(--mb-0-25);
}

.home__scroll-arrow { font-size: 1.25rem; }

/*==================== BUTTONS ====================*/
.button {
    display: inline-block;
    background-color: var(--first-color);
    color: #fff;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
    border: none;
    cursor: pointer;
    transition: .3s;
}

.button:hover { background-color: var(--first-color-alt); }

.button__icon {
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: .3s;
}

.button--flex {
    display: inline-flex;
    align-items: center;
}

.button--small { padding: .75rem 1rem; }

.button--link {
    padding: 0;
    background-color: transparent;
    color: var(--first-color);
}

.button--link:hover {
    background-color: transparent;
    color: var(--first-color-alt);
}

.button--white {
    background-color: #fff;
    color: var(--first-color);
}

.button--white:hover { background-color: #fff; color: var(--first-color-alt); }

/*==================== ABOUT ====================*/
.about__img {
    width: 200px;
    border-radius: .5rem;
    justify-self: center;
    align-self: center;
}

.about__img svg { width: 100%; height: auto; border-radius: .5rem; }

.about__description {
    text-align: center;
    margin-bottom: var(--mb-2-5);
}

.about__info {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2-5);
}

.about__info-title {
    font-size: var(--h2-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
}

.about__info-name {
    font-size: var(--smaller-font-size);
}

.about__info-title,
.about__info-name {
    display: block;
    text-align: center;
}

.about__buttons {
    display: flex;
    justify-content: center;
}

/*==================== SKILLS ====================*/
.skills__container { row-gap: 0; }

.skills__header {
    display: flex;
    align-items: center;
    margin-bottom: var(--mb-2-5);
    cursor: pointer;
}

.skills__icon,
.skills__arrow {
    font-size: 2rem;
    color: var(--first-color);
}

.skills__icon { margin-right: var(--mb-0-75); }

.skills__title { font-size: var(--h3-font-size); }

.skills__subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.skills__arrow {
    margin-left: auto;
    transition: .4s;
}

.skills__list {
    row-gap: 1.5rem;
    padding-left: 2.7rem;
}

.skills__titles {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--mb-0-5);
}

.skills__name {
    font-size: var(--normal-font-size);
    font-weight: var(--font-medium);
}

.skills__bar,
.skills__percentage {
    height: 5px;
    border-radius: .25rem;
}

.skills__bar { background-color: var(--first-color-lighter); }

.skills__percentage {
    display: block;
    background-color: var(--first-color);
}

.skills__react      { width: 95%; }
.skills__svelte     { width: 90%; }
.skills__js         { width: 92%; }
.skills__html       { width: 95%; }
.skills__python     { width: 85%; }
.skills__fastapi    { width: 80%; }
.skills__postgres   { width: 75%; }
.skills__k8s        { width: 80%; }
.skills__aws        { width: 82%; }
.skills__tf         { width: 70%; }
.skills__jest       { width: 85%; }
.skills__prom       { width: 78%; }
.skills__dd         { width: 75%; }

.skills__close .skills__list {
    height: 0;
    overflow: hidden;
}

.skills__open .skills__list {
    height: max-content;
    margin-bottom: var(--mb-2-5);
}

.skills__open .skills__arrow {
    transform: rotate(-180deg);
}

/*==================== QUALIFICATION ====================*/
.qualification__tabs {
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2);
}

.qualification__button {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    cursor: pointer;
    color: var(--title-color);
}

.qualification__button:hover { color: var(--first-color); }

.qualification__icon {
    font-size: 1.8rem;
    margin-right: var(--mb-0-25);
}

.qualification__data {
    display: grid;
    grid-template-columns: 1fr max-content 1fr;
    column-gap: 1.5rem;
}

.qualification__title { font-size: var(--normal-font-size); font-weight: var(--font-medium); }

.qualification__subtitle {
    display: inline-block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-1);
}

.qualification__calendar {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
    display: inline-flex;
    align-items: center;
    gap: .2rem;
}

.qualification__rounder {
    display: inline-block;
    width: 13px;
    height: 13px;
    background-color: var(--first-color);
    border-radius: 50%;
}

.qualification__line {
    display: block;
    width: 1px;
    height: 100%;
    background-color: var(--first-color);
    transform: translate(6px, -7px);
}

.qualification [data-content] { display: none; }
.qualification__active[data-content] { display: block; }

.qualification__button.qualification__active { color: var(--first-color); }

/*==================== SERVICES ====================*/
.services__container {
    gap: 1.5rem;
    grid-template-columns: repeat(2, 1fr);
}

.services__content {
    position: relative;
    background-color: var(--container-color);
    padding: 3.5rem .5rem 1.25rem 1.5rem;
    border-radius: .25rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .15);
    transition: .3s;
}

.services__content:hover { box-shadow: 0 4px 8px rgba(0, 0, 0, .15); }

.services__icon {
    display: block;
    font-size: 1.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
}

.services__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    font-weight: var(--font-medium);
}

.services__button {
    cursor: pointer;
    font-size: var(--small-font-size);
}

.services__button:hover .button__icon { transform: translateX(.25rem); }

.services__modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, .5);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 1rem;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
}

.services__modal-content {
    position: relative;
    background-color: var(--container-color);
    padding: 1.5rem;
    border-radius: .5rem;
    max-width: 500px;
    width: 100%;
}

.services__modal-services { row-gap: 1rem; }

.services__modal-service { display: flex; align-items: flex-start; }

.services__modal-title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1-5);
    color: var(--first-color);
}

.services__modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--first-color);
    cursor: pointer;
}

.services__modal-icon {
    color: var(--first-color);
    margin-right: var(--mb-0-25);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Active Modal */
.active-modal { opacity: 1; visibility: visible; }

/*==================== PORTFOLIO ====================*/
.portfolio__container { overflow: hidden; }

.portfolio__viewport {
    overflow: hidden;
    border-radius: .5rem;
}

.portfolio__track {
    display: flex;
    transition: transform .5s cubic-bezier(.2, .8, .2, 1);
    will-change: transform;
}

.portfolio__content {
    flex: 0 0 100%;
    min-width: 0;
    padding: 0 1.5rem;
    row-gap: 1.5rem;
    align-items: center;
}

.portfolio__img {
    border-radius: .5rem;
    justify-self: center;
    width: 100%;
    max-width: 420px;
}

.portfolio__img svg {
    width: 100%;
    height: auto;
    border-radius: .5rem;
    display: block;
}

.portfolio__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
}

.portfolio__description {
    margin-bottom: var(--mb-0-75);
}

.portfolio__button:hover .button__icon { transform: translateX(.25rem); }

.portfolio__nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .75rem;
    margin-top: var(--mb-1-5);
}

.portfolio__btn {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    background-color: var(--first-color);
    color: #fff;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    transition: .3s;
}

.portfolio__btn:hover { background-color: var(--first-color-alt); }

.portfolio__dots {
    display: flex;
    gap: .4rem;
}

.portfolio__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--first-color-lighter);
    border: none;
    cursor: pointer;
    transition: .3s;
    padding: 0;
}

.portfolio__dot.is-active {
    background-color: var(--first-color);
    transform: scale(1.3);
}

/*==================== PROJECT IN MIND ====================*/
.project { text-align: center; }

.project__bg {
    background-color: var(--first-color-second);
    padding-top: 3rem;
}

.project__title {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-0-75);
    color: #fff;
}

.project__description {
    margin-bottom: var(--mb-1-5);
    color: #fff;
}

.project__title,
.project__description { color: #fff; }

.project__img {
    width: 232px;
    justify-self: center;
    height: auto;
}

/*==================== CONTACT ME ====================*/
.contact__container { row-gap: 3rem; }

.contact__information {
    display: flex;
    margin-bottom: var(--mb-2);
}

.contact__icon {
    font-size: 2rem;
    color: var(--first-color);
    margin-right: var(--mb-0-75);
}

.contact__title {
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
}

.contact__subtitle {
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

.contact__content {
    background-color: var(--input-color);
    border-radius: .5rem;
    padding: .75rem 1rem .25rem;
}

.contact__label {
    font-size: var(--smaller-font-size);
    color: var(--title-color);
}

.contact__input {
    width: 100%;
    background-color: var(--input-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    border: none;
    outline: none;
    padding: .25rem .5rem .5rem 0;
    resize: vertical;
}

/*==================== FOOTER ====================*/
.footer { padding-top: 2rem; }

.footer__container { row-gap: 3.5rem; }

.footer__bg {
    background-color: var(--first-color-second);
    padding: 2rem 0 3rem;
}

.footer__title {
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-0-25);
    color: #fff;
}

.footer__subtitle {
    font-size: var(--small-font-size);
    color: #fff;
}

.footer__links {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.footer__link,
.footer__social,
.footer__copy {
    color: #fff;
}

.footer__link:hover { color: var(--first-color-lighter); }

.footer__socials {
    display: flex;
    gap: 1.25rem;
    font-size: 1.25rem;
}

.footer__social:hover { color: var(--first-color-lighter); }

.footer__copy {
    font-size: var(--smaller-font-size);
    text-align: center;
    margin-top: var(--mb-3);
    opacity: .85;
}

/*========== SCROLL UP ==========*/
.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: var(--first-color);
    opacity: .8;
    padding: 0 .3rem;
    border-radius: .4rem;
    z-index: var(--z-tooltip);
    transition: .4s;
}

.scrollup:hover { background-color: var(--first-color-alt); }

.scrollup__icon {
    font-size: 1.5rem;
    color: #fff;
}

.show-scroll { bottom: 5rem; }

/*========== SCROLL BAR ==========*/
::-webkit-scrollbar {
    width: .6rem;
    background-color: var(--scroll-bar-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb:hover { background-color: var(--text-color-light); }

/*==================== MEDIA QUERIES ====================*/
/* For small devices */
@media screen and (max-width: 350px) {
    .container {
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }
    .nav__menu { padding: 2rem .25rem 4rem; }
    .nav__list {
        column-gap: 0;
        gap: 1rem;
    }
    .home__content { grid-template-columns: .25fr 3fr; }
    .home__img { max-width: 180px; }
    .skills__title { font-size: var(--normal-font-size); }
    .qualification__data { gap: .5rem; }
    .services__container { grid-template-columns: max-content; justify-content: center; }
    .services__content { padding-right: 3.5rem; }
}

/* For medium devices */
@media screen and (min-width: 568px) {
    .home__content { grid-template-columns: max-content 1fr 1fr; }
    .home__data { grid-column: initial; }
    .home__img { order: 1; justify-self: center; }

    .about__container,
    .portfolio__content,
    .project__container,
    .contact__container,
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }

    .qualification__sections {
        display: grid;
        grid-template-columns: .6fr;
        justify-content: center;
    }
}

@media screen and (min-width: 768px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }

    body { margin: 0; }

    .section { padding: 6rem 0 2rem; }
    .section__subtitle { margin-bottom: 4rem; }

    .header { top: 0; bottom: initial; }

    .header,
    .main,
    .footer__container { padding: 0 1rem; }

    .nav {
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }
    .nav__icon,
    .nav__close,
    .nav__toggle { display: none; }

    .nav__list { display: flex; column-gap: 2rem; }
    .nav__menu { margin-left: auto; }

    .change-theme { margin: 0; }

    .home__container { row-gap: 5rem; }
    .home__content {
        padding-top: 5.5rem;
        column-gap: 2rem;
    }
    .home__scroll { display: block; }
    .home__scroll-button { margin-left: 3rem; }

    .about__container { column-gap: 5rem; }
    .about__img { width: 350px; }
    .about__description { text-align: initial; }
    .about__info { justify-content: space-between; }
    .about__buttons { justify-content: initial; }

    .qualification__tabs { justify-content: center; }
    .qualification__button { margin: 0 var(--mb-1); }
    .qualification__sections { grid-template-columns: .5fr; }

    .services__container {
        grid-template-columns: repeat(3, 218px);
        justify-content: center;
    }

    .services__icon { font-size: 2rem; }
    .services__content { padding: 6rem 0 2rem 2.5rem; }
    .services__modal-content { padding: 4.5rem 2.5rem 2.5rem; }

    .portfolio__img { max-width: 460px; }

    .project__bg {
        background: none;
    }
    .project__container {
        background-color: var(--first-color-second);
        border-radius: 1rem;
        padding: 3rem 2.5rem 0;
        grid-template-columns: 1fr max-content;
        column-gap: 3rem;
    }
    .project__data { padding-bottom: 3rem; text-align: initial; }
    .project__title,
    .project__description { text-align: initial; }
    .project__description { margin-bottom: var(--mb-2-5); }
    .project__img { width: 232px; }

    .footer__container {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer__bg {
        padding: 3rem 0 3.5rem;
    }
    .footer__links { flex-direction: row; column-gap: 2rem; }
    .footer__socials { justify-self: flex-end; }
    .footer__copy { margin-top: 4.5rem; }
}

/* For large devices */
@media screen and (min-width: 1024px) {
    .header,
    .main,
    .footer__container { padding: 0; }

    .home__img { max-width: 300px; }
    .home__social { transform: translateX(-6rem); }

    .services__container { grid-template-columns: repeat(3, 238px); }

    .portfolio__content {
        column-gap: 5rem;
    }

    .contact__form { width: 460px; }
    .contact__inputs { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
}