:root {
  /*
  Colors
  --------------------------------*/
  /* --color-primary: #156ef4; */
  --color-primary: #f41515;
  --color-dark: #20232a;
  --color-gray: #f6f7ff;
  --color-title: #202328;
  --color-text: #777990;
  --color-white: #fff;
  /*
  Typography
  --------------------------------*/
  --font-family: "Satoshi", sans-serif;
  /* font sizes */
  --fs-xs: 1.2rem;
  --fs-sm: 1.4rem;
  --fs-md: 1.6rem;
  --fs-lg: 1.8rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.4rem;
  --fs-3xl: clamp(3rem, 5vw, 5.2rem);
  --fs-4xl: clamp(4rem, 8vw, 7rem);
  /* font weight */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-bold: 700;
  /*
  Width & Height
  --------------------------------*/
  --width-container: 110rem;
  --height-header: 8rem;
  /*
  Z-index, Transition, Border-Radius
  --------------------------------*/
  --zindex-menu: 1000;
  --zindex-fixed: 1010;
  --transition: 0.3s ease-out;
  --b-radius: 2rem;
  --b-radius-lg: 3rem;
  /*
  Shadow
  --------------------------------*/
  --shadow-header: 0px 3px 5px rgb(0 0 0 / 5%);
  --shadow-card: 2px 0 90px rgb(0 0 0 / 10%);
}

/* CSS Reset
-------------------------------------------------------------*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

body,
h1,
h2,
h3,
h4,
p,
ul {
  margin: 0;
  padding: 0;
}

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

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--color-text);
}

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

main {
  overflow: hidden;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-top: var(--height-header);
}

/* Reusable Classes
-------------------------------------------------------------*/
.section {
  padding: 12rem 0 8rem;
}

.section__header {
  text-align: center;
  max-width: 40rem;
  margin: auto;
  margin-bottom: 8rem;
}

.section__title {
  font-size: var(--fs-2xl);
  margin-bottom: 1rem;
}

.section__description {
  font-size: var(--fs-sm);
}

.section-bg {
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 70rem;
  min-height: 110%;
  margin: auto;
  border-radius: var(--b-radius);
  background-color: var(--color-gray);
}

@media screen and (max-width: 767px) {
  .section-bg {
    max-width: 80vw;
    min-height: 104%;
  }
}

.container {
  position: relative;
  width: 90%;
  max-width: var(--width-container);
  margin: auto;
}

.d-grid {
  display: grid;
  gap: 3rem;
}

.btn {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  column-gap: 1rem;
  padding: 1.5rem 3.5rem;
  border-radius: var(--b-radius-lg);
  font-weight: var(--fw-medium);
  transition: var(--transition);
}

.btn--primary {
  background-color: var(--color-primary);
  border: 0.1rem solid transparent;
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-dark);
  border-color: var(--color-white);
  transform: scale(1.03);
}

.btn--outline {
  border: 0.1rem solid var(--color-white);
  color: var(--color-white);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  border-color: transparent;
}

.btn--line {
  position: relative;
  display: inline-block;
  color: var(--color-white);
}

.btn--line::before {
  position: absolute;
  content: "";
  width: 0;
  height: 0.2rem;
  bottom: -1rem;
  background-color: var(--color-white);
  transition: var(--transition);
}

.btn--line:hover::before {
  width: 100%;
}

/* Header
-------------------------------------------------------------*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-dark);
  height: var(--height-header);
  display: flex;
  align-items: center;
  transition: var(--transition);
  z-index: var(--zindex-menu);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav__brand {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-white);
}

.nav__open,
.nav__close {
  font-size: var(--fs-xl);
  transition: var(--transition);
  cursor: pointer;
}

.nav__open {
  color: var(--color-white);
}

.nav__close {
  color: var(--color-dark);
}

.nav__open:hover,
.nav__close:hover {
  color: var(--color-primary);
}

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

.nav__link {
  color: var(--color-white);
  transition: var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

@media screen and (max-width: 967px) {
  .nav__menu {
    background-color: var(--color-white);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav__menu--open {
    opacity: 1;
    visibility: visible;
  }

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

  .nav__close {
    position: absolute;
    top: 2rem;
    right: 2rem;
  }
}

.header--scroll {
  background-color: var(--color-white);
  box-shadow: var(--shadow-header);
}

.header--scroll .nav__menu {
  background-color: var(--color-white);
}

.header--scroll .nav__brand,
.header--scroll .nav__link,
.header--scroll .nav__open {
  color: var(--color-dark);
}

.header--scroll .nav__link--active {
  color: var(--color-primary);
}

/* Home
-------------------------------------------------------------*/
.home {
  background-color: var(--color-dark);
}

.home__wrapper {
  min-height: calc(100vh - var(--height-header));
  align-content: center;
  justify-items: center;
  padding: 3rem 0;
}

.home__content {
  display: flex;
  align-items: center;
  column-gap: 3rem;
}

.home__name {
  color: var(--color-white);
  font-size: var(--fs-4xl);
  margin-bottom: 1rem;
}

.home__profession {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.home__description {
  margin-bottom: 3rem;
}

.home__buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.social__list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.social__link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 4rem;
  height: 4rem;
  border: 0.1rem solid var(--color-text);
  border-radius: 50%;
  font-size: var(--fs-lg);
  transition: var(--transition);
}

.social__link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: transparent;
}

.home__img {
  width: 45rem;
  border-radius: 10%;
  color: #156ef4;
}

/* Services
-------------------------------------------------------------*/
.service__item {
  width: 100%;
  max-width: 30rem;
  justify-self: center;
}

.service__card {
  background-color: var(--color-white);
  box-shadow: var(--shadow-card);
  padding: 3rem 1.8rem 3rem 2.5rem;
  transition: var(--transition);
}

.service__icon {
  font-size: var(--fs-3xl);
  margin-bottom: 2rem;
  color: var(--color-primary);
}

.service__name {
  font-size: var(--fs-lg);
  margin-bottom: 2rem;
  transition: var(--transition);
}

.service__description {
  margin-bottom: 3rem;
}

.service__link {
  position: relative;
  color: var(--color-primary);
}

.service__link::before {
  position: absolute;
  content: "";
  bottom: -3.2rem;
  width: 100%;
  height: 0.3rem;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.service__link:hover::before {
  bottom: -1rem;
}

.service__card:hover {
  background-color: var(--color-primary);
  transform: translateY(-1rem);
}

.service__card:hover .service__icon,
.service__card:hover .service__name,
.service__card:hover .service__description,
.service__card:hover .service__link {
  color: var(--color-white);
}

.service__card:hover .service__link::before {
  background-color: var(--color-white);
}

/* About
-------------------------------------------------------------*/
.about__wrapper {
  justify-items: center;
}

.about__content {
  text-align: center;
}

.about__title {
  margin-bottom: 2rem;
  font-size: var(--fs-2xl);
}

.about__description {
  margin-bottom: 5rem;
}

.about__img {
  border-radius: var(--b-radius);
}

/* Skill
-------------------------------------------------------------*/
.skill__card {
  background-color: var(--color-white);
  border-radius: var(--b-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  justify-self: center;
  text-align: center;
  padding: 3rem;
  transition: var(--transition);
}

.skill__img {
  width: 8rem;
  height: 8rem;
  margin-bottom: 3rem;
}

.skill__name {
  font-size: var(--fs-lg);
  margin-bottom: 2rem;
}

.skill__item {
  margin-bottom: 1.5rem;
}

.skill__card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-card);
}

/* Experience
-------------------------------------------------------------*/
.experience__item {
  width: 100%;
  max-width: 60rem;
  justify-self: center;
}

.experience__card {
  background-color: var(--color-white);
  border-radius: var(--b-radius);
  padding: 3rem;
  transition: var(--transition);
}

.experience__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.experience__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  margin-bottom: 1rem;
}

.experience__title i {
  color: var(--color-primary);
}

.experience__name {
  font-size: var(--fs-xl);
  transition: var(--transition);
}

.experience__date {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  white-space: nowrap;
}

.experience__description {
  margin-bottom: 3rem;
}

.experience__place {
  font-weight: var(--fw-bold);
}

.experience__card:hover {
  box-shadow: var(--shadow-card);
  transform: scale(1.05);
}

.experience__card:hover .experience__name {
  color: var(--color-primary);
}

/* Portfolio
-------------------------------------------------------------*/
.portfolio__project {
  position: relative;
  width: 100%;
  max-width: 35rem;
  justify-self: center;
  border-radius: var(--b-radius);
  overflow: hidden;
}

.portfolio__img {
  transition: var(--transition);
}

.portfolio__content {
  position: absolute;
  width: 90%;
  left: 0;
  right: 0;
  bottom: -100%;
  margin: auto;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--b-radius-lg);
  transition: var(--transition);
}

.portfolio__name {
  font-size: var(--fs-lg);
}

.portfolio__category {
  font-size: var(--fs-sm);
}

.portfolio__link {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  transition: var(--transition);
}

.portfolio__link:hover {
  background-color: var(--color-dark);
}

.portfolio__project:hover .portfolio__img {
  transform: scale(1.3);
}

.portfolio__project:hover .portfolio__content {
  bottom: 2rem;
}

/* Testimonial
-------------------------------------------------------------*/
.testimonial__card {
  width: 100%;
  max-width: 90rem;
  margin: auto;
  background-color: var(--color-white);
  border-radius: var(--b-radius-lg);
  padding: 5rem 3.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5rem;
}

.testimonial__img-wrapper {
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  border: 0.2rem solid var(--color-gray);
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
}

.testimonial__img {
  width: 17rem;
  height: 17rem;
  border-radius: 50%;
}

.testimonial__content {
  text-align: center;
}

.testimonial__quote {
  font-size: var(--fs-lg);
  margin-bottom: 3rem;
}

.testimonial__name {
  margin-bottom: 0.5rem;
}

.testimonial__wrapper {
  padding: 3rem 0;
}

.swiper__navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
}

.swiper__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: var(--color-dark);
  font-size: var(--fs-lg);
  color: var(--color-white);
  cursor: pointer;
  transition: var(--transition);
}

.swiper__button:hover {
  background-color: var(--color-primary);
}

/* Blog
-------------------------------------------------------------*/
.blog__card {
  background-color: var(--color-white);
  box-shadow: var(--shadow-card);
  border-radius: var(--b-radius);
  overflow: hidden;
  width: 100%;
  max-width: 30rem;
  justify-self: center;
}

.blog__img-wrapper {
  overflow: hidden;
}

.blog__img {
  transition: var(--transition);
}

.blog__content,
.blog__footer {
  padding: 2rem;
}

.blog__title {
  margin-bottom: 2rem;
  font-size: var(--fs-lg);
  cursor: pointer;
  transition: var(--transition);
}

.blog__title:hover {
  color: var(--color-primary);
}

.blog__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog__category,
.blog__date {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
}

.blog__category {
  background-color: var(--color-gray);
  padding: 0.5rem 1rem;
}

.blog__card:hover .blog__img {
  transform: scale(1.1);
}

/* Footer
-------------------------------------------------------------*/
.footer {
  background-color: var(--color-dark);
  padding: 8rem 0 3rem;
}

.footer__wrapper {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.footer__content {
  max-width: 60rem;
}

.footer__subtitle,
.footer__title,
.footer__description {
  color: var(--color-white);
}

.footer__subtitle {
  display: block;
  font-size: var(--fs-sm);
  margin-bottom: 1rem;
}

.footer__title {
  font-size: var(--fs-3xl);
  margin-bottom: 3rem;
}

.footer__description {
  margin-bottom: 3rem;
}

.footer__social .social__list {
  flex-direction: initial;
  margin-bottom: 3rem;
}

.footer__contact-item {
  display: block;
  margin-bottom: 1rem;
  font-size: var(--fs-lg);
  color: var(--color-white);
  font-weight: var(--fw-bold);
}

.footer__copyright {
  font-size: var(--fs-sm);
  text-align: center;
  margin-top: 5rem;
}

/* Scrolltop
-------------------------------------------------------------*/
.scrolltop {
  position: fixed;
  bottom: -100%;
  right: 3rem;
  background-color: var(--color-primary);
  width: 5rem;
  height: 5rem;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.4rem;
  transition: var(--transition);
  z-index: var(--zindex-fixed);
  opacity: 0;
}

.scrolltop--show {
  bottom: 3rem;
  opacity: 1;
}

/* Scrollbar
-------------------------------------------------------------*/
::-webkit-scrollbar {
  background-color: var(--color-gray);
  width: 0.8rem;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-dark);
}

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

/* Media Queries
-------------------------------------------------------------*/
@media screen and (min-width: 767px) {
  .home__wrapper {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
  }

  .service__wrapper {
    grid-template-columns: repeat(2, max-content);
    justify-content: center;
  }

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

  .about__content {
    text-align: initial;
  }

  .about__img {
    order: -1;
  }

  .skill__wrapper {
    grid-template-columns: repeat(3, 1fr);
    justify-content: center;
  }

  .experience__wrapper {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__wrapper,
  .blog__wrapper {
    grid-template-columns: repeat(2, max-content);
    justify-content: center;
  }

  .footer__wrapper {
    flex-direction: initial;
    align-items: center;
    justify-content: space-between;
  }

  .footer__copyright {
    text-align: right;
  }
}

@media screen and (min-width: 967px) {
  .nav__list {
    flex-direction: initial;
  }

  .nav__open,
  .nav__close {
    display: none;
  }

  .service__wrapper {
    grid-template-columns: repeat(3, 1fr);
    max-width: 90rem;
  }

  .portfolio__wrapper {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonial__wrapper {
    max-width: 90rem;
  }

  .testimonial__card {
    flex-direction: initial;
  }

  .testimonial__content {
    text-align: initial;
  }

  .testimonial__img-wrapper {
    width: 30rem;
    height: 30rem;
  }

  .testimonial__img {
    width: 27rem;
    height: 27rem;
  }

  .testimonial__quote {
    font-size: var(--fs-xl);
  }

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