/* ========= GOOGLE FONTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@100..900&display=swap');

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

    /* COLORS */

    --first-color: hsl(43, 90%, 50%);
    --first-color-alt: hsl(43, 88%, 48%);
    --text-color: hsl(0, 0%, 42%);
    --text-color-lighten: hsl(0, 0%, 92%);
    --black-color: hsl(0, 0%, 8%);
    --white-color: hsl(0, 0%, 100%);
    --body-color: hsl(0, 0%, 98%);
    --body-second-color: hsl(25, 70%, 55%);
    --shadow-img: -8px 8px 16px hsla(0, 0%, 0%, .2);

    /* FONT AND TYPOGRAPHY */

    --body-font: "Montserrat", sans-serif ;
    --biggest-font-size: 4.4rem;
    --big-font-size: 2.5rem;
    --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-regular: 400;
    --font-semi-bold: 600;
    --font-bold:700;
    --font-extra-bold:800;

    /* Z INDEX */
    --z-tooltip:10;
    --z-fixed:100;
}

/* ================= Responsive typography ============ */

@media screen and (min-width:1150px) {
    :root{
    --biggest-font-size: 10.5rem;
    --big-font-size: 5.5rem;
    --h1-font-size: 3rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: .875rem;
    --smaller-font-size: .813rem;
    }
}

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

html{
    scroll-behavior: smooth;
}

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

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

input,
button{
    border: none;
    outline: none;
}

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

ul{
    list-style: none;
}

a{
    text-decoration: none;
}

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

video{
    max-width: 100%;
}

/* ================= REUSABLE CSS ============ */
.container{
    max-width: 1120px;
    margin-inline: 1.5rem;
}

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

.section{
    padding-block: 5rem 1rem;
}

.section-title,
.section-subtitle{
    text-align: center;
}

.section-title{
    font-size: var(--h1-font-size);
    font-weight: var(--font-extra-bold);
    color: var(--black-color);
    margin-bottom: 3rem;
}

.section-subtitle{
    display: block;
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.main{
    overflow: hidden;
}

/* ================= HEADER AND NAV ============ */

.header{
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: transparent;
    z-index: var(--z-fixed);
    transition: background-color .4s, box-shadow .4s;
}

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

.nav-logo{
    color: var(--black-color);
    font-weight: var(--font-bold);
}

.nav-toggle,
.nav-close{
    display: inline-flex;
    font-size: 1.5rem;
    cursor: pointer;
}

/* for media */
@media screen and (max-width: 1150px) {
    .nav-menu{
        position: fixed;
        top: -120%;
        left: 0;
        background-color: var(--body-color);
        width: 100%;
        padding-block: 4rem;
        box-shadow: 0 4px 16px hsla(0, 0%, 0%, .1);
        transition: top .4s;
    }
}

.nav-list{
    text-align: center;
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.nav-link{
    position: relative;
    color: var(--black-color);
    font-weight: var(--font-semi-bold);
}

.nav-link::after{
    content: '';
    width: 60%;
    height: 2px;
    background-color: var(--black-color);
    position: relative;
    left: 0;
    bottom: -0.5rem;
    transition: width .4s;
}

.nav-link:hover::after{
    width: 60%;
}

.nav-close{
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

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

/* bg heaader */
.bg-header{
    background-color: var(--body-color);
    box-shadow: 0 4px 16px hsla(0, 0%, 0%, .1);
}



/* ============= HOME ============ */

.home{
    position: relative;
    height: 730px;
    background-color: var(--body-second-color);
}

.home-bg,
.home-gradient{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.home-bg{
    object-fit: cover;
    object-position: center;
}

.home-gradient{
    background: linear-gradient(180deg,
                                hsla(25, 70%, 55%, 0)80%,
                                hsl(25, 70%, 55%)100%);
}

.home-data{
    position: absolute;
    top: 17rem;
    justify-self: center;
    text-align: center;
}

.home-subtitle{
    font-size: var(--small-font-size);
    font-weight: var(--font-semi-bold);
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.home-title{
    font-size: var(--big-font-size);
    font-weight: var(--font-extra-bold);
    letter-spacing: 2px;
    color: var(--white-color);
}

.home-button{
    position: absolute;
    bottom: 5rem;
    justify-self: center;
    color: var(--white-color);
    width: 94px;
    height: 94px;
    border: 2px solid var(--white-color);
    border-radius: 50%;
    display: grid;
    place-content: center;
    text-align: center;
    padding-top: 1rem;
    z-index: 5;
}

.home-button span{
    font-weight: var(--font-semi-bold);
}

.home-button i{
    font-size: 1.5rem;
}

.home-swiper{
    position: relative;
}

.home-img{
    width: 300px;
    margin-inline: auto;
}

/* Swiper Class */
.swiper{
    margin-inline: initial !important;
    align-self: center !important;
    margin-bottom: 1rem !important;
    bottom: -1rem;
}

.swiper-pagination-bullets.swiper-pagination-horizontal{
    height: max-content !important;
    top: 30rem !important;
    display: flex;
    justify-content: center;
    column-gap: 1.5rem !important;
}

.swiper-pagination-bullet{
    color: var(--white-color) !important;
    opacity: 1 !important;
    background: none !important;
    font-size: var(--normal-font-size);
    font-weight: var(--font-semi-bold);
    transition: color .4s;
}

.swiper-pagination-bullet-active{
    color: var(--black-color) !important;
}

/* ============= BUTTON ============ */

.button{
    display: inline-flex;
    justify-content: center;
    align-items: center;
    column-gap: 0.5rem;
    background-color: var(--first-color);
    color: var(--black-color);
    padding: 0.75rem 2rem;
    font-weight: var(--font-semi-bold);
    box-shadow: 0 4px 12px hsla(43, 88%, 32%, .4);
}

.button i{
    font-family: initial;
    font-size: 1.5rem;
    transition: transform .4s;
}

.button:hover i{
    transform: translateX(.5rem);
}

.button-ghost{
    background-color: transparent;
    box-shadow: none;
    border: 2px solid var(--white-color);
    color: var(--white-color);
}

/* ============= ABOUT ============ */
.about{
    background-color: var(--body-second-color);
}

.about-container{
    padding-bottom: 3rem;
    row-gap: 3rem;
}

.about-title{
    color: var(--white-color);
    margin-bottom: 1rem;
}

.about-title span{
    color: var(--black-color);
}

.about-data{
    text-align: center;
}

.about-description{
    margin-bottom: 1.5rem;
    color: var(--white-color);
}

.about-video{
    position:relative;
    height: 300px;
    width: 250px;
    justify-self: center;
    box-shadow: var(--shadow-img);
    transform: skew(-12deg);
    display: grid;
    overflow: hidden;
}

.about-file{
    max-width: initial;
    height: 320px;
    transform: skew(12deg);
    position: absolute;
    justify-self: center;
}

/* ============= MODELS ============ */
.models-container{
    grid-template-columns: 250px;
    justify-content: center;
    row-gap: 2rem;
}

.models-card{
    position: relative;
    transform: skew(-12deg);
    box-shadow: var(--shadow-img);
}

.models-gradient{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
                hsla(0, 0%, 0%, 0)70%,
                hsl(0, 0%, 0%)100%);
}

.models-data{
    position: absolute;
    bottom: 1rem;
    left: 1.5rem;
    color: var(--white-color);
    transform: skew(12deg);
}

.models-name{
    font-size: var(--h3-font-size);
    margin-bottom: 0.25rem;
    transition: transform .4s, opacity .4s;
}

.models-info{
    display: block;
    font-size: var(--small-font-size);
    transition: transform .4s, opacity .4s .1s;
}

.models-name,
.models-info{
    transform: translateX(5rem);
    opacity: 0;
}

.models-card:hover :is(.models-name, .models-info){
    transform: translateX(0);
    opacity: 1;
}

/* ============= INFO ============ */
.info-container{
    row-gap: 3.5rem;
    padding-bottom: 2.5rem;
}

.info-title{
    margin-bottom: 5.5rem;
}


.info-content{
    position: relative;
    display: grid;
}

.info-number{
    font-size: var(--biggest-font-size);
    color: var(--text-color-lighten);
    position: absolute;
    top: -3.5rem;
    justify-self: center;
}

.info-img{
    width: 300px;
    justify-self: center;
    z-index: 5;
}

.info-data{
    display: flex;
    justify-content: center;
    column-gap: 1rem;
}

.info-group{
    font-size: var(--small-font-size);
    margin-bottom: 0.5rem;
}

.info-group p{
    font-size: var(--smaller-font-size);
    color: var(--text-color);
    text-align: center;
}

/* ============= CONTACT ============ */

.contact{
    background-color: var(--body-second-color);
}

.contact-container{
    row-gap: 3rem;
    padding-bottom: 2rem;
}

.contact-title{
    color: var(--white-color);
    margin-bottom: 4rem;
}

.contact-form{
    row-gap: 2rem;
}

.contact-inputs{
    row-gap: 2.5rem;
}

.contact-box{
    position: relative;
    width: 100%;
    height: 58px;
}

.contact-input{
    width: 100%;
    height: 100%;
    background-color: var(--body-second-color);
    border:2px solid var(--white-color);
    font-weight: var(--font-semi-bold);
    padding: .75rem;
    color: var(--white-color);
}

.contact-input::placeholder{
    color: var(--white-color);
}

.contact-label{
    position: absolute;
    top: -1.5rem;
    left: 0;
    color: var(--white-color);
    font-size: var(--smaller-font-size);
    font-weight: var(--font-semi-bold);
}

.contact-input:-webkit-autofill{
    transition: background-color 6000s, color 6000s;
}

.contact-button{
    cursor: pointer;
}

.contact-img{
    width: 250px;
    transform: skew(-12deg);
    justify-self: center;
    box-shadow: var(--shadow-img);
}

/* ============= FOOTER ============ */
.footer{
    background-color: var(--body-second-color);
    padding-block: 2rem;
}

.footer-container{
    row-gap: 3rem;
}

.footer-logo{
    justify-self: flex-start;
    color: var(--white-color);
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
}

.footer-links{
    display: flex;
    flex-direction: column;
    row-gap: 0.5rem;
}

.footer-link{
    color: var(--white-color);
}

.footer-social{
    display: flex;
    column-gap: 0.75rem;
}

.footer-social-link{
    color: var(--white-color);
    font-size: 1.5rem;
    transition: transform .4s;
}

.footer-social-link:hover{
    transform: translateY(-.25rem);
}

.footer-copy{
    display: block;
    margin-top: 6rem;
    color: var(--white-color);
    text-align: center;
    font-size: var(--small-font-size);
}

/* ============= SCROLL BAR ============ */

::-webkit-scrollbar{
    width: 0.6rem;
    background-color: hsl(0, 0%, 80%);
}

::-webkit-scrollbar-thumb{
    background-color: hsl(0, 0%, 60%);
}

::-webkit-scrollbar-thumb:hover{
    background-color: hsl(0, 0%, 50%);
}

/* ============= SCROLL UP ============ */

.scrollup{
    position: fixed;
    right: 1rem;
    bottom: -3rem;
    background-color: var(--body-color);
    box-shadow: 0 4px 16px hsla(0, 0%, 0%, .1);
    color: var(--black-color);
    display: inline-flex;
    padding: 6px;
    font-size: 1.25rem;
    z-index: var(--z-tooltip);
    transition: bottom .4s, transform .4s;
}

.scrollup:hover{
    transform: translateY(-0.5rem);
}

.show-scroll{
    bottom: 3rem;
}

.active-link::after{
    content: '';
    width: 60%;
}

/* ============= BREAKPOINTS ============ */

/* for small */
@media screen and (max-width: 320px) {
    .container{
        margin-inline: 1rem;
    }

    .home-title{
        font-size: 2rem;
    }

    .home-img{
        width: 270px;
    }

    .about-video{
        width: 200px;
        height: 250px;
    }

    .models-container{
        grid-template-columns: 200px;
    }

    .info-data{
        flex-direction: column;
        align-items: center;
        row-gap: 1rem;
    }

    .contact-img{
        width: 200px;
    }
}

@media screen and (min-width:576px) {
    .about-container,
    .contact-container{
        grid-template-columns: 400px;
        justify-content: center;
    }

    .footer-container{
        grid-template-columns: repeat(3, max-content);
        justify-content: space-between;
        align-items: flex-start;
    }
}

@media screen and (min-width: 768px) {
    .models-container{
        grid-template-columns: repeat(2, 250px);
    }

    .footer-links{
        flex-direction: row;
        column-gap: 1rem;
    }
}

/* for large */
@media screen and (min-width: 1150px) {
    .container{
        margin-inline: auto;
    }

    .section{
        padding-block: 7rem 2rem;
    }

    .section-title{
        margin-bottom: 4rem;
    }

    .nav{
        height: calc(var(--header-height) + 2rem );
    }

    .nav-toggle,
    .nav-close{
        display: none;
    }

    .nav-list{
        flex-direction: row;
        column-gap: 4rem;
    }

    .home{
        height: 830px;
    }

    .home-subtitle{
        font-size: var(--normal-font-size);
        letter-spacing: 3px;
    }

    .home-title{
        letter-spacing: 3px;
    }

    .home-img{
        width: 600px;
    }

    .home-data{
        top: 15rem;
    }

    .home-button{
        bottom: 2rem;
    }

    .swiper{
        margin-block-start: 1rem 0;
    }

    .swiper-pagination-bullets.swiper-pagination-horizontal{
        top: 39rem !important;
        column-gap: 2rem !important;
    }

    .about-container{
        grid-template-columns: 400px 450px;
        align-items: center;
        column-gap: 12rem;
        padding-bottom: 5rem;
    }

    .about-title,
    .about-data{
        text-align: initial;
    }

    .about-title{
        margin-bottom: 1rem;
    }

    .about-description{
        margin-bottom: 3.5rme;
    }

    .about-video{
        width: 450px;
        height: 570px;
    }

    .about-file{
        height: 580px;
    }

    .models-container{
        grid-template-columns: repeat(3, 350px);
        column-gap: 2rem;
    }

    .models-data{
        bottom: 2.5rem;
        left: 2rem;
    }

    .models-img{
        height: 100%;
    }

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

    .info-container{
        padding-bottom: 4rem;
    }

    .info-title{
        margin-bottom: 13rem;
    }

    .info-img{
        width: 800px;
    }

    .info-number{
        top: -8.5rem;
    }

    .info-data{
        column-gap: 4rem;
    }

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

    .info-group p{
        font-size: var(--normal-font-size);
    }

    .contact-container{
        grid-template-columns: 450px 500px;
        align-items: center;
        column-gap: 8rem;
        padding-bottom: 4rem;
    }

    .contact-img{
        order: -1;
        width: 450px;
    }

    .contact-title{
        text-align: initial;
    }

    .contact-button{
        justify-self: flex-start;
    }

    .footer{
        padding-top: 3rem;
    }

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

    .footer-links{
        column-gap: 2rem;
    }

    .footer-social{
        column-gap: 1rem;
    }

    .scrollup{
        right: 3rem;
    }
}

@media  screen and (min-width:2048px) {
    body{
        zoom: 1.4;
    }
}