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

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

  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --first-color: hsl(43, 90%, 50%);
  --first-color-alt: hsl(43, 88%, 48%);
  --text-color: hsl(0, 0%, 65%);
  --text-color-lighten: hsl(0, 0%, 92%);
  --black-color: hsl(0, 0%, 8%);
  --white-color: hsl(0, 0%, 100%);
  --body-color: hsl(0, 0%, 4%);
  --body-color-alt: hsl(0, 0%, 6%);
  
  --shadow-img: -8px 8px 16px hsla(0, 0%, 0%, .5);
  
  /*========== Font and typography ==========*/
  --body-font: "Montserrat", sans-serif;
  --biggest-font-size: 3.5rem;
  --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: 8rem;
    --big-font-size: 4rem;
    --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 ===============*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

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(--text-color-lighten);
}

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

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/*=============== REUSABLE CSS CLASSES ===============*/
.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(--white-color);
  margin-bottom: 3rem;
  letter-spacing: 2px;
}

.section__subtitle {
  display: block;
  font-size: var(--small-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--first-color);
  margin-bottom: .5rem;
  letter-spacing: 1px;
}

.main {
  overflow: hidden;
}

/*=============== HEADER & NAV ===============*/
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background-color: transparent;
  z-index: var(--z-fixed);
  transition: background-color .4s;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  column-gap: .5rem;
  color: var(--white-color);
  font-weight: var(--font-bold);
  letter-spacing: 1px;
}

.nav__logo-img {
  width: 25px;
}

.nav__toggle, 
.nav__close,
.nav__buttons {
  display: flex;
  font-size: 1.25rem;
  color: var(--white-color);
  cursor: pointer;
}

/* Navigation for mobile */
@media screen and (max-width: 1150px) {
  .nav__menu {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    background-color: hsla(0, 0%, 8%, .9);
    padding-block: 4.5rem 4rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: top .4s;
  }
}

.nav__list {
  display: flex;
  flex-direction: column;
  row-gap: 2.5rem;
  text-align: center;
}

.nav__link {
  color: var(--white-color);
  font-weight: var(--font-semi-bold);
  transition: color .4s;
}

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

.nav__close {
  position: absolute;
  top: 1.15rem;
  right: 1.5rem;
}

.nav__buttons {
  position: absolute;
  top: 1.15rem;
  left: 1.5rem;
}

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

/* Change background header */
.bg-header {
  background-color: var(--body-color);
  box-shadow: 0 2px 16px hsla(0, 0%, 0%, 1);
}

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

/*=============== HOME ===============*/
.home {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
}

.home__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -1;
  opacity: .3;
}

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

.home__data {
  text-align: center;
}

.home__subtitle {
  display: block;
  font-size: var(--h3-font-size);
  color: var(--first-color);
  font-weight: var(--font-semi-bold);
  margin-bottom: .5rem;
  letter-spacing: 2px;
}

.home__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-extra-bold);
  margin-bottom: 2rem;
  letter-spacing: 4px;
  background: linear-gradient(90deg, #fff, #999);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home__images {
  position: relative;
  width: 280px;
  justify-self: center;
}

.home__car {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform .4s;
}

.home__img {
  width: 100%;
  max-width: 100%;
  filter: drop-shadow(var(--shadow-img));
}

/* Swiper class */
.swiper-slide {
  opacity: 0.5;
  transform: scale(.8);
  transition: .4s;
}

.swiper-slide-active {
  opacity: 1;
  transform: scale(1);
}

/*=============== BUTTON ===============*/
.button {
  display: inline-block;
  background-color: var(--first-color);
  color: var(--black-color);
  padding: 1rem 2rem;
  font-weight: var(--font-semi-bold);
  transition: .4s;
  cursor: pointer;
}

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

/*=============== ABOUT ===============*/
.about__container {
  row-gap: 3rem;
}

.about__title {
  text-align: left;
  line-height: 1.2;
}

.about__title span {
  color: var(--first-color);
}

.about__description {
  color: var(--text-color);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.about__video {
  border-radius: .5rem;
  overflow: hidden;
  position: relative;
  height: 300px;
}

.about__video video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/*=============== MODELS ===============*/
.models__container {
  grid-template-columns: repeat(1, 1fr);
  gap: 3rem;
  justify-content: center;
}

.models__card {
  text-align: center;
  background-color: var(--body-color-alt);
  padding: 3rem 1.5rem 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 16px hsla(0,0%,0%,.6);
  transition: .4s;
}

.models__card:hover {
  transform: translateY(-.5rem);
}

.models__img-container {
  margin-bottom: 1.5rem;
}

.models__img {
  filter: drop-shadow(var(--shadow-img));
  transition: .4s;
}

.models__card:hover .models__img {
  transform: scale(1.1);
}

.models__name {
  font-size: var(--h3-font-size);
  margin-bottom: .25rem;
}

.models__info {
  display: block;
  font-size: var(--small-font-size);
  color: var(--first-color);
}

/*=============== INFO ===============*/
.info__container {
  row-gap: 3rem;
}

.info__content {
  position: relative;
  text-align: center;
}

.info__img {
  filter: drop-shadow(var(--shadow-img));
  justify-self: center;
}

.info__number {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 15vw;
  font-weight: var(--font-extra-bold);
  color: hsla(0, 0%, 100%, .05);
  z-index: -1;
}

.info__stats {
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.info__stat-title {
  font-size: var(--small-font-size);
  color: var(--first-color);
  margin-bottom: .25rem;
}

.info__stat-desc {
  font-size: var(--smaller-font-size);
  font-weight: var(--font-bold);
}

/*=============== CONTACT ===============*/
.contact__container {
  row-gap: 3rem;
  align-items: center;
}

.contact__img {
  filter: drop-shadow(var(--shadow-img));
  justify-self: center;
}

.contact__form {
  background-color: var(--body-color-alt);
  padding: 2.5rem 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 16px hsla(0,0%,0%,.6);
}

.contact__inputs {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact__content {
  position: relative;
  height: 3rem;
  border-bottom: 1px solid var(--text-color);
}

.contact__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: none;
  color: var(--white-color);
  padding: 1rem 1rem 1rem 0;
}

.contact__label {
  position: absolute;
  top: -1rem;
  left: 0;
  font-size: var(--small-font-size);
  color: var(--first-color);
  font-weight: var(--font-semi-bold);
}

.contact__button {
  width: 100%;
}

/*=============== FOOTER ===============*/
.footer {
  background-color: var(--black-color);
  padding-block: 4rem 2rem;
}

.footer__container {
  gap: 3rem;
}

.footer__logo {
  display: block;
  color: var(--white-color);
  font-weight: var(--font-extra-bold);
  letter-spacing: 1px;
  margin-bottom: 1rem;
  font-size: var(--h3-font-size);
}

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

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__link {
  color: var(--text-color-lighten);
  transition: .3s;
}

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

.footer__social {
  display: flex;
  gap: 1.25rem;
}

.footer__social-link {
  color: var(--white-color);
  background-color: hsla(0, 0%, 100%, .1);
  padding: .5rem;
  border-radius: .25rem;
  font-size: 1.25rem;
  display: flex;
  transition: .4s;
}

.footer__social-link:hover {
  background-color: var(--first-color);
  color: var(--black-color);
}

/*=============== SCROLL UP ===============*/
.scrollup {
  position: fixed;
  right: 1rem;
  bottom: -50%;
  background-color: hsla(0, 0%, 100%, .1);
  backdrop-filter: blur(16px);
  padding: 6px;
  display: inline-flex;
  color: var(--text-color-lighten);
  z-index: var(--z-tooltip);
  transition: bottom .4s, transform .4s;
}

.scrollup:hover {
  transform: translateY(-.25rem);
  color: var(--first-color);
}

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

/*=============== BREAKPOINTS ===============*/
/* For small devices */
@media screen and (max-width: 320px) {
  .container {
    margin-inline: 1rem;
  }
  .home__images {
    width: 230px;
  }
  .info__stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .models__card {
    padding: 2rem 1rem;
  }
}

/* For medium devices */
@media screen and (min-width: 576px) {
  .home__images {
    width: 400px;
  }
  .about__container,
  .info__container,
  .contact__container {
    grid-template-columns: 400px;
    justify-content: center;
  }
  .models__container {
    grid-template-columns: repeat(2, 250px);
  }
  .footer__container {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* For large devices */
@media screen and (min-width: 1023px) {
  .section {
    padding-block: 7rem 2rem;
  }
  .nav {
    height: calc(var(--header-height) + 2rem);
  }
  .nav__menu {
    width: initial;
  }
  .nav__list {
    flex-direction: row;
    column-gap: 3rem;
  }
  .nav__link {
    font-weight: var(--font-regular);
  }
  .nav__close, 
  .nav__toggle,
  .nav__buttons {
    display: none;
  }
  
  .home__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .home__images {
    width: 700px;
    justify-self: flex-start;
  }
  .home__data {
    text-align: left;
  }
  
  .about__container {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }
  .about__video {
    height: 400px;
  }
  
  .models__container {
    grid-template-columns: repeat(3, 300px);
    gap: 4rem;
  }
  
  .info__container {
    grid-template-columns: 100%;
  }
  .info__stats {
    grid-template-columns: repeat(3, max-content);
    justify-content: center;
    gap: 8rem;
  }
  
  .contact__container {
    grid-template-columns: repeat(2, max-content);
    gap: 5rem;
    align-items: center;
    justify-content: center;
  }
  .contact__form {
    width: 400px;
  }
  .contact__img {
    width: 500px;
  }
  
  .footer__container {
    grid-template-columns: repeat(4, max-content);
    justify-content: space-between;
  }
}

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