/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Kaushan+Script&family=Red+Hat+Display:wght@400;700;900&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
    --header-height: 3.5rem;

    /*========== Colors ==========*/
    /*Color mode HSL(hue, saturation, lightness)*/
    --first-color: hsl(79, 72%, 55%);
    --first-color-light: hsl(79, 97%, 77%);
    --first-color-alt: hsl(79, 67%, 52%);
    --first-color-dark: hsl(79, 63%, 50%);
    --first-color-gray: hsl(79, 6%, 64%);
    --title-color: hsl(180, 4%, 98%);
    --title-color-black: hsl(180, 4%, 12%);
    --text-color: hsl(180, 4%, 72%);
    --text-color-light: hsl(180, 4%, 65%);
    --body-color: hsl(180, 12%, 8%);

    /*========== Font and typography ==========*/
    /*.5rem = 8px | 1rem = 16px ...*/
    --body-font: 'Red Hat Display', sans-serif;
    --second-font: 'Kaushan Script', cursive;
    --biggest-font-size: 2rem;
    --bigger-font-size: 1.5rem;
    --big-font-size: 1.25rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /*========== Font weight ==========*/
    --font-bold: 700;
    --font-black: 900;

    /*========== z index ==========*/
    --z-tooltip: 10;
    --z-fixed: 100;
}

/* Responsive typography */
@media screen and (min-width: 1024px) {
    :root {
        --biggest-font-size: 6rem;
        --bigger-font-size: 3.5rem;
        --big-font-size: 2.75rem;
        --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;
    }
}

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

html {
    scroll-behavior: smooth;
}

body,
button,
input {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
}

body {
    background-color: var(--body-color);
    color: var(--text-color);
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1124px;
    margin-right: 1.5rem;
    margin-left: 1.5rem;
}

.section {
    padding: 4.5rem 0 2rem;
}

.section__data {
    display: flex;
    flex-direction: column;
    row-gap: .75rem;
    text-align: center;
    margin-bottom: 3rem;
}

.section__title,
.section__title-border {
    font-size: var(--big-font-size);
    letter-spacing: 1.5px;
}

.section__subtitle {
    font-size: var(--h2-font-size);
    font-family: var(--second-font);
    font-weight: 400;
    letter-spacing: 1.5px;
    color: var(--first-color);
    transform: rotate(-2deg);
}

.section__titles {
    display: flex;
    column-gap: .75rem;
    justify-content: center;
}

.section__title-border {
    -webkit-text-stroke: 1px var(--text-color);
    color: transparent;
}

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

.main {
    overflow: hidden; /* For animation ScrollReveal */
}

.color-red {
    color: hsl(0, 80%, 64%);
}

.color-green {
    color: var(--first-color);
}

/*=============== HEADER & NAV ===============*/
.header {
    width: 100%;
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    transition: all 0.4s ease-in-out;
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo,
.nav__toggle {
    color: var(--title-color);
    display: flex;
}

.nav__logo {
    align-items: center;
    column-gap: 0.5rem;
    font-weight: var(--font-bold);
}

.nav__logo img {
    width: 1.25rem;
}

.nav__toggle {
    font-size: 1.25rem;
    cursor: pointer;
}

@media screen and (max-width: 1023px) {
    .nav__menu {
        position: fixed;
        background-color: hsla(180, 12%, 8%, 0.8);
        backdrop-filter: blur(32px);
        -webkit-backdrop-filter: blur(32px);
        top: 0;
        right: -100%;
        width: 80%;
        height: 100%;
        border-left: 2px solid var(--first-color-gray);
        transition: right 0.4s;
    }
}

.nav__list {
    padding: 5rem 0 0 3rem;
    display: flex;
    flex-direction: column;
    row-gap: 2.5rem;
}

.nav__link {
    color: var(--title-color);
    transition: color 0.4s;
}

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

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

.nav .nav__button {
    background-color: var(--title-color);
    border: none;
}

/* Show menu */
.show-menu {
    right: 0;
}

/* Change background header */
.bg-header {
    background-color: var(--body-color);
    box-shadow: 0 4px 8px hsla(180, 12%, 4%, 0.3);
}

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

/*=============== HOME ===============*/
.home {
    position: relative;
    padding-bottom: 0;
}

.home__container {
    padding-top: 4rem;
    row-gap: 3rem;
}

.home__data {
    text-align: center;
}

.home__subtitle {
    font-size: var(--bigger-font-size);
    -webkit-text-stroke: 1px var(--title-color);
    color: transparent;
}

.home__title {
    font-size: var(--biggest-font-size);
    font-weight: var(--font-black);
    margin: 0.5rem 0;
}

.home__subtitle,
.home__title {
    letter-spacing: 1.5px;
}

.home__description {
    margin-bottom: 2.5rem;
}

.home__triangle {
    height: 325px;
    position: absolute;
    right: 0;
    bottom: 0;
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.home__triangle-1 {
    width: 105px;
    background-color: var(--first-color);
}

.home__triangle-2 {
    width: 205px;
    background-color: var(--first-color-alt);
}

.home__triangle-3 {
    width: 305px;
    background-color: var(--first-color-dark);
}

.home__img {
    display: block;
    position: relative;
    z-index: 1;
    width: 350px;
    margin: 0 auto;
}
/*=============== BUTTON ===============*/
.button {
    display: inline-block;
    background-color: var(--first-color);
    padding: 18px 32px;
    border: 2px solid var(--first-color-light);
    color: var(--title-color-black);
    font-weight: var(--font-bold);
    cursor: pointer;
    transition: all 0.4s ease-in-out;
}

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

.button i {
    font-size: 1.25rem;
    transition: all 0.3s ease-in-out;
}

.button__flex {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    column-gap: 0.5rem;
}

.button__flex:hover i {
    transform: translateX(0.25rem);
}

/*=============== LOGOS ===============*/
.logos__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    justify-content: center;
}

.logo__img {
    width: 120px;
}

/*=============== PROGRAM ===============*/
.program__container {
    grid-template-columns: 225px;
    justify-content: center;
    row-gap: 2rem;
}

.program__card {
    display: grid;
    background-color: hsla(79, 6%, 64%, 0.07);
    padding: 1.5rem 2rem;
    border: 2px solid transparent;
    transition: all 0.5s ease-in-out;
}

.program__img {
    width: 38px;
}

.program__shape {
    width: 50px;
    height: 50px;
    background-color: var(--first-color-gray);
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
    transition: all 0.5s ease-in-out;
}

.program__title {
    font-size: var(--h3-font-size);
    margin-bottom: 1rem;
}

.program__description {
    font-size: var(--small-font-size);
    letter-spacing: 0.5px;
    line-height: 150%;
}

.program__title,
.program__description {
    transition: all 0.5s ease-in-out;
}

.program__button {
    justify-self: flex-end;
    margin-top: 1.5rem;
    font-size: 1.25rem;
    color: var(--title-color-black);
    opacity: 0;
    transition: all 0.5s ease-in-out;
}

.program__button i {
    display: block;
    transition: all 0.3s ease-in-out;
}

.program__button:hover i {
    transform: translateX(0.25rem);
}

.program__card:hover {
    background-color: var(--first-color);
    border: 2px solid var(--first-color-light);
}

.program__card:hover .program__shape {
    background-color: var(--first-color-light);
}

.program__card:hover .program__title,
.program__card:hover .program__description {
    color: var(--title-color-black);
}

.program__card:hover .program__button {
    opacity: 1;
}

/*=============== CHOOSE ===============*/
.choose {
    padding-bottom: 0;
}

.choose__overflow {
    position: relative;
}

.choose__container {
    row-gap: 3rem;
}

.choose__content .section__data {
    margin-bottom: 2rem;
}

.choose__description {
    text-align: center;
    margin-bottom: 2.5rem;
}

.choose__data {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 2rem;
}

.choose__group {
    text-align: center;
}

.choose__number {
    font-size: var(--h1-font-size);
    font-family: var(--second-font);
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.choose__subtitle {
    font-size: var(--small-font-size);
}

.choose__triangle {
    height: 325px;
    position: absolute;
    left: 0;
    bottom: 0;
    clip-path: polygon(0 0, 0 100%, 100% 100%);
}

.choose__triangle-1 {
    width: 305px;
    background-color: var(--first-color);
}

.choose__triangle-2 {
    width: 205px;
    background-color: var(--first-color-alt);
}

.choose__triangle-3 {
    width: 105px;
    background-color: var(--first-color-dark);
}

.choose__img {
    width: 260px;
    display: block;
    position: relative;
    z-index: 1;
    margin: 0 auto;
}

/*=============== PRICING ===============*/
.pricing__container {
    grid-template-columns: 285px;
    justify-content: center;
    row-gap: 2rem;
}

.pricing__card,
.pricing__shape,
.pricing__list {
    display: grid;
}

.pricing__card {
    row-gap: 2rem;
    background-color: hsla(79, 6%, 64%, 0.07);
    padding: 2rem 2.5rem;
}

.pricing__img {
    width: 35px;
}

.pricing__shape {
    width: 60px;
    height: 60px;
    background-color: var(--first-color-gray);
    border-radius: 50%;
    place-items: center;
    margin-bottom: 1rem;
}

.pricing__title {
    font-size: var(--h3-font-size);
    color: var(--text-color);
    margin-bottom: 1rem;
}

.pricing__number {
    font-size: var(--h1-font-size);
}

.pricing__list {
    row-gap: 1rem;
}

.pricing__item {
    display: flex;
    column-gap: 0.5rem;
    align-items: center;
    font-size: var(--small-font-size);
}

.pricing__item i {
    font-size: 1.25rem;
    color: var(--first-color);
}

.pricing__item-opacity {
    opacity: 0.3;
}

.pricing__button {
    background-color: var(--title-color);
    border: none;
}

.pricing__button:hover {
    background-color: var(--title-color);
}

.pricing__card-active {
    background-color: var(--first-color);
    border: 2px solid var(--first-color-light);
}

.pricing__card-active .pricing__shape {
    background-color: var(--first-color-light);
}

.pricing__card-active .pricing__item i {
    color: var(--title-color);
}

.pricing__card-active .pricing__item,
.pricing__card-active .pricing__title,
.pricing__card-active .pricing__number {
    color: var(--title-color-black);
}

/*=============== CALCULATE ===============*/
.calculate {
    padding-bottom: 0;
}

.calculate__container {
    row-gap: 4rem;
}

.calculate__content .section__titles {
    margin-bottom: 2rem;
    text-align: center;
}

.calculate__description {
    text-align: center;
    margin-bottom: 2.5rem;
}

.calculate__form {
    display: grid;
    row-gap: 1rem;
}

.calculate__box {
    position: relative;
    border: 2px solid var(--first-color-light);
}

.calculate__input {
    width: 100%;
    background: transparent;
    padding: 20px 56px 20px 24px;
    outline: none;
    border: none;
    color: var(--text-color);
}

.calculate__input::-webkit-outer-spin-button,
.calculate__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calculate__input[type=number] {
    -moz-appearance: textfield;
}

.calculate__label {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    color: var(--title-color);
}

.calculate__form .button {
    margin-top: 1.5rem;
}

.calculate__img {
    width: 200px;
    justify-self: center;
}

.calculate__message {
    position: absolute;
    transform: translateY(1rem);
}

/*=============== FOOTER ===============*/
.footer__container {
    row-gap: 4rem;
    padding-top: 1rem;
}

.footer__logo,
.footer__description {
    color: var(--title-color);
}

.footer__logo,
.footer__form,
.footer__social {
    display: flex;
}

.footer__logo {
    align-items: center;
    column-gap: 0.5rem;
    font-weight: var(--font-bold);
    margin-bottom: 1.5rem;
}

.footer__logo img {
    width: 1.5rem;
}

.footer__description {
    margin-bottom: 2rem;
}

.footer__form {
    flex-direction: column;
    gap: 1.25rem;
}

.footer__input {
    padding: 20px 56px 20px 24px;
    border: 2px solid var(--first-color-light);
    background: transparent;
    color: var(--text-color);
    outline: none;
}

.footer__content,
.footer__links,
.footer__group {
    display: grid;
}

.footer__content {
    grid-template-columns: repeat(2, max-content);
    gap: 2.5rem 3.5rem;
}

.footer__title {
    font-size: var(--h3-font-size);
    margin-bottom: 1.5rem;
}

.footer__links {
    row-gap: 0.75rem;
}

.footer__link {
    color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

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

.footer__group {
    margin-top: 5rem;
    justify-items: center;
    row-gap: 2rem;
}

.footer__social {
    column-gap: 1.25rem;
}

.footer__social-link {
    display: inline-flex;
    padding: 0.35rem;
    background-color: var(--first-color);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--title-color-black);
    transition: all 0.4s ease-in-out;
    border: 1px solid transparent;
}

.footer__social-link:hover {
    background-color: transparent;
    border: 1px solid var(--first-color);
    color: var(--first-color);
}

.footer__copy {
    font-size: var(--smaller-font-size);
    color: var(--text-color-light);
}

.footer__message {
    position: absolute;
    transform: translateY(1rem);
}

/*=============== SCROLL BAR ===============*/
::-webkit-scrollbar {
    width: 0.6rem;
    border-radius: 0.5rem;
    background-color: hsl(79, 4%, 15%);
}

::-webkit-scrollbar-thumb {
    background-color: hsl(79, 4%, 25%);
    border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb:hover {
    background-color: hsl(79, 4%, 35%);
}

/*=============== SCROLL UP ===============*/
.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -30%;
    background-color: var(--first-color);
    display: inline-flex;
    padding: 0.35rem;
    color: var(--title-color-black);
    font-size: 1.25rem;
    z-index: var(--z-tooltip);
    transition: all 0.3s ease-in-out;
}

.scrollup:hover {
    transform: translateY(-0.25rem);
}

/* Show Scroll Up*/
.show-scroll {
    bottom: 3rem;
}

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 340px) {
    .container {
        margin-left: 1rem;
        margin-right: 1rem;
    }

    .section__titles {
        flex-direction: column;
        row-gap: 0.25rem;
    }

    .home__triangle,
    .choose__triangle {
        height: 255px;
    }

    .home__triangle-3,
    .choose__triangle-1 {
        width: 260px;
    }

    .choose__img {
        width: 195px;
    }

    .pricing__container {
        grid-template-columns: 250px;
    }

    .pricing__card {
        padding: 1.5rem;
    }

    .footer__content {
        grid-template-columns: 1fr;
    }

    .footer__title {
        text-align: center;
    }
}

/* For medium devices */
@media screen and (min-width: 768px) {
    .nav__menu {
        width: 50%;
    }

    .home__container,
    .choose__container {
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
    }

    .home__data,
    .choose__content .section__data,
    .choose__description,
    .calculate__description {
        text-align: initial;
    }

    .logos__container {
        grid-template-columns: repeat(4, 1fr);
    }

    .program__container {
        grid-template-columns: repeat(2, 225px);
        gap: 2.5rem;
    }

    .choose__content {
        order: 1;
    }

    .choose__data {
        justify-items: flex-start;
    }

    .choose__content .section__titles,
    .calculate__content .section__titles {
        justify-content: initial;
    }

    .pricing__container {
        grid-template-columns: repeat(2, 285px);
        gap: 2.5rem;
    }

    .calculate__container {
        grid-template-columns: 1fr 0.8fr;
        align-items: center;
    }

    .calculate__form {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 1.5rem;
    }

    .calculate__form .button {
        grid-column: 1/3;
    }

    .footer__container {
        grid-template-columns: repeat(2, max-content);
        justify-content: space-between;
    }

    .footer__content {
        grid-template-columns: repeat(3, max-content);
    }
}

/* For large devices */
@media screen and (min-width: 1032px) {
    .nav {
        height: calc(var(--header-height) + 2rem);
    }

    .nav__menu {
        width: initial;
    }

    .nav__toggle,
    .nav__close {
        display: none;
    }

    .nav__list {
        flex-direction: row;
        padding: 0;
        align-items: center;
        column-gap: 4rem;
    }

    .section {
        padding: 7rem 0 0;
    }

    .section__subtitle {
        font-size: 2rem;
    }

    .home__container {
        grid-template-columns: repeat(2, max-content);
        align-items: initial;
    }

    .home__title {
        margin: 0.75rem 0 1.25rem;
    }

    .home__description {
        width: 445px;
        margin-bottom: 3rem;
    }

    .home__img {
        width: 550px;
        transform: translateX(-6rem);
    }

    .home__triangle {
        height: 700px;
    }

    .home__triangle-1 {
        width: 145px;
    }

    .home__triangle-2 {
        width: 345px;
    }

    .home__triangle-3 {
        width: 545px;
    }

    .logos {
        padding: 3.5rem 0 1rem;
    }

    .logo__img {
        width: 190px;
    }

    .choose__overflow {
        overflow: hidden;
    }

    .choose__img {
        width: 350px;
    }

    .choose__triangle {
        height: 700px;
    }

    .choose__triangle-1 {
        width: 545px;
    }

    .choose__triangle-2 {
        width: 345px;
    }

    .choose__triangle-3 {
        width: 145px;
    }

    .footer {
        padding-bottom: 3rem;
    }

    .footer__form {
        flex-direction: row;
    }

    .footer__content {
        column-gap: 5rem;
    }

    .footer__group {
        grid-template-columns: repeat(2, max-content);
        justify-content: space-between;
        margin-top: 7rem;
    }

    .footer__social {
        order: 1;
    }
}

@media screen and (min-width: 1150px) {
    .container {
        margin-left: auto;
        margin-right: auto;
    }

    .home__data {
        padding-top: 3rem;
    }

    .home__images {
        transform: translateX(-9rem);
    }

    .home__img {
        width: 700px;
        transform: translateX(2rem);
    }

    .home__triangle {
        height: 995px;
    }

    .home__triangle-1 {
        width: 205px;
    }

    .home__triangle-2 {
        width: 505px;
    }

    .home__triangle-3 {
        width: 705px;
    }

    .program__container {
        grid-template-columns: repeat(4, 245px);
        padding: 3rem 0;
    }

    .program__card {
        padding: 2rem;
    }

    .program__description {
        font-size: var(--normal-font-size);
    }

    .choose__container {
        column-gap: 8rem;
    }

    .choose__img {
        width: 450px;
        margin: 0 0 0 auto;
    }

    .choose__triangle {
        height: 800px;
    }

    .choose__images {
        position: relative;
    }

    .choose__data {
        grid-template-columns: repeat(2, max-content);
        gap: 2.5rem 8rem;
    }

    .choose__description {
        width: 418px;
        margin-bottom: 3.5rem;
    }

    .pricing__container {
        padding-top: 3rem;
        grid-template-columns: repeat(3, 320px);
    }

    .pricing__card {
        padding: 2rem 3.5rem;
        row-gap: 2.5rem;
    }

    .calculate__description {
        width: 415px;
    }

    .calculate__form {
        width: 505px;
    }

    .calculate__img {
        width: 300px;
    }

    .scrollup {
        right: 3rem;
    }
}