@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap");

:root {
  --header-height: 3rem;
  --font-semi: 600;
  --first-color: #00ADA2;
  --first-color-light: #33c0b3;
  --second-color: #0E2431;
  --body-font: 'Poppins', sans-serif;
  --big-font-size: 2rem;
  --h2-font-size: 1.25rem;
  --normal-font-size: 0.938rem;
  --mb-1: 0.5rem;
  --mb-2: 1rem;
  --mb-3: 1.5rem;
  --mb-4: 2rem;
  --mb-5: 2.5rem;
  --mb-6: 3rem;
  --icon-size: 2rem;
  --z-back: -10;
  --z-normal: 1;
  --z-tooltip: 10;
  --z-fixed: 100;
}

@media screen and (min-width: 768px) {
  :root {
    --big-font-size: 3.5rem;
    --h2-font-size: 2rem;
    --normal-font-size: 1rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: var(--header-height) 0 0 0;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  color: var(--second-color);
}

h1, h2, p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  text-decoration: none;
}

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

.lHeader {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: #fff;
  box-shadow: 0 1px 4px rgba(146, 161, 176, 0.15);
}

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

.navLogo {
  margin-right: 32rem;
  color: var(--first-color);
  display: inline-flex;
  gap: 0.5rem;
}

.navLogo span {
  display: inline-block;
}

.navMenu {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 100%;
  height: 100%;
  padding: 2rem;
  background-color: var(--second-color);
  transition: 0.5s;
}

.navItem {
  margin-bottom: var(--mb-4);
}

.navLink {
  position: relative;
  color: #fff;
}

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

.navLink::after,
.active::after {
  position: absolute;
  content: none;
  width: auto;
  height: 2px;
  left: 0;
  right: 0;
  bottom: -2px;
  background-color: var(--first-color);
  transition: width 0.3s ease;
  margin: 0 auto;
}

.navToggle {
  color: var(--second-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.active::after {
  position: absolute;
  content: "";
  width: auto;
  height: 2px;
  left: 0;
  right: 0;
  bottom: -2px;
  background-color: var(--first-color);
  transition: width 0.3s ease;
  margin: 0 auto;
}

.show {
  right: 0;
}

@media screen and (min-width: 768px) {
  .navMenu {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    background-color: transparent;
    display: flex;
    justify-content: flex-end;
  }

  .navItem {
    margin-left: var(--mb-6);
    margin-bottom: 0;
  }

  .navLink {
    color: var(--second-color);
  }

  .navToggle {
    display: none;
  }
}

.sectionTitle {
  position: relative;
  font-size: var(--h2-font-size);
  color: var(--first-color);
  margin-top: var(--mb-2);
  margin-bottom: var(--mb-4);
  text-align: center;
}

.sectionTitle::after {
  position: absolute;
  content: "";
  width: 64px;
  height: 0.18rem;
  left: 0;
  right: 0;
  margin: auto;
  top: 2rem;
  background-color: var(--first-color);
}

.bdGrid {
  max-width: 1024px;
  display: grid;
  grid-template-columns: 100%;
  grid-column-gap: 2rem;
  width: calc(100% - 2rem);
  margin-left: var(--mb-2);
  margin-right: var(--mb-2);
}

.home {
  height: calc(40vh - 3rem);
  margin-bottom: 14rem;
  row-gap: 1rem;
}

.homeData {
  align-self: flex-end;
  text-align: center;
}

.homeTitle {
  font-size: var(--big-font-size);
  margin-bottom: var(--mb-5);
}

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

.button {
  display: inline-block;
  background-color: var(--first-color);
  color: #fff;
  padding: 0.75rem 2.5rem;
  font-weight: var(--font-semi);
  border-radius: 0.5rem;
  transition: box-shadow 0.3s;
  cursor: pointer;
}

.button:hover {
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.15);
}

.aboutContainer {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100%;
  margin-bottom: 10rem;
}

#aboutDiv {
  max-width: 600px;
  margin: auto;
  text-align: center;
}

.aboutText {
  margin-top: 1rem;
  margin-bottom: 3rem;
}

.skillsContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  text-align: left;
  margin-bottom: 10rem;
}

.skillsData {
  display: flex;
  align-items: center;
  width: 190px;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 25px rgba(14, 36, 49, 0.15);
  font-weight: var(--font-semi);
  transition: transform 0.3s;
}

.skillsIcon,
.skillsData i {
  font-size: var(--icon-size);
  color: var(--first-color);
  margin-right: var(--mb-2);
  display: inline-block;
  vertical-align: middle;
}

.skillsData:hover {
  transform: translateY(-5px);
}

.workContainer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 1.5rem;
  margin-bottom: 10rem;
}

#certificates ul,
#volunteer ul {
  text-align: center;
  margin-top: 2rem;
}

#certificates li,
#volunteer li {
  margin-bottom: 2rem;
  font-size: var(--normal-font-size);
  line-height: 1.6;
}


@media screen and (max-width: 768px) {
  .workContainer {
    grid-template-columns: 1fr;
  }
}

.workCard {
  perspective: 1000px;
  position: relative;
  width: 100%;
  height: 180px;
  -webkit-perspective: 1000px;
}

.workCardInner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.6s;
}

.workCard:hover .workCardInner {
  transform: rotateY(180deg);
}

.workCardFront,
.workCardBack {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: 0 4px 25px rgba(14, 36, 49, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.workCardFront img,
.workCardBack img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.5rem;
}

.workCardFront {
background-color: var(--first-color);
  color: white;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: rotateY(0deg);
}

.workCardTitle,
.workCardDesc {
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.3rem 0.75rem;
  border-radius: 0.5rem;
  color: white;
}

.workCardTitle {
  font-size: 0.9rem;
}

.workCardDesc {
  font-size: 0.75rem;
}

.workCardBack {
  background-color: white;
  color: var(--second-color);
  transform: rotateY(180deg);
  opacity: 0.9;
}

.workCardBack img {
  transform: scale(1.2);
  opacity: 0.2;
}

.workCardButton {
  position: relative;
  z-index: 2;
  background-color: var(--first-color);
  color: #fff;
  padding: 0.5rem 1.5rem;
  font-weight: var(--font-semi);
  border-radius: 0.5rem;
  transition: box-shadow 0.3s;
  margin-top: auto;
  cursor: pointer;
}

.workCardButton:hover {
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.15);
}

.contactContainer {
  text-align: center;
  margin-bottom: 10rem;
}

.contactLinks {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.contactLink {
  font-size: var(--normal-font-size);
  color: var(--first-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s;
  cursor: pointer;
}

.contactLink i {
  font-size: var(--icon-size);
}

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

.footer {
  background-color: var(--first-color);
  color: #fff;
  text-align: center;
  font-weight: var(--font-semi);
  padding: 10rem 0 10rem 0;
}

.footerTitle {
  font-size: 1.5rem;
  margin-bottom: var(--mb-4);
}

.footerSocial {
  margin-bottom: var(--mb-4);
}

.footerIcon {
  font-size: var(--icon-size);
  color: #fff;
  margin: 0 var(--mb-2);
}

@media screen and (min-width: 768px) {
  body {
    margin: 0;
  }

  .section {
    padding-top: 4rem;
    padding-bottom: 3rem;
  }

  .sectionTitle {
    margin-bottom: var(--mb-6);
  }

  .sectionTitle::after {
    width: 80px;
    top: 3rem;
  }

  .nav {
    height: calc(var(--header-height) + 1rem);
  }

  .navList {
    display: flex;
    padding-top: 0;
  }

  .navItem {
    margin-left: var(--mb-6);
    margin-bottom: 0;
  }

  .home {
    height: 54vh;
    margin-bottom: 30vh;
  }

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

  .contactContainer {
    justify-items: center;
  }
}

@media screen and (min-width: 1024px) {
  .bdGrid {
    margin-left: auto;
    margin-right: auto;
  }

  .homeImg {
    right: 10%;
  }
}