* {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  background: transparent;
  color: inherit;
  font: inherit;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.5;
  color: var(--clr-fg);
  background: var(--clr-bg);
}

body.light {
  --clr-bg: #fcfcfc;
  --clr-bg-alt: #ffffff;
  --clr-border: #e6e8ec;
  --clr-fg: #505050;
  --clr-fg-alt: #2f2f2f;
  --clr-primary: #00b87b;
  --shadow: rgba(17, 24, 39, 0.12) 0 8px 24px;
}

body.dark {
  --clr-bg: #23283e;
  --clr-bg-alt: #2a2f4c;
  --clr-border: #3d4466;
  --clr-fg: #c4c7da;
  --clr-fg-alt: #eef1ff;
  --clr-primary: #71e9be;
  --shadow: rgba(0, 0, 0, 0.2) 0 10px 30px;
}

::selection {
  background: var(--clr-primary);
  color: var(--clr-bg);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  color: var(--clr-fg-alt);
}

h1 {
  font-size: 4rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.22rem;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

button {
  cursor: pointer;
}

.center {
  display: flex;
  align-items: center;
}

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: min(95%, 1100px);
  margin: 0 auto;
  padding: 1rem 0;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
}

main {
  width: min(95%, 1100px);
  margin: 0 auto;
}

.section {
  margin-top: 5em;
  scroll-margin-top: 7rem;
}

.section__title {
  margin-bottom: 1em;
  text-align: center;
  text-transform: uppercase;
}

.section__note {
  margin: -0.4em auto 2em;
  text-align: center;
  color: var(--clr-fg);
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  margin-right: 1.5em;
}

.nav__list-item {
  margin-left: 1.5em;
}

.nav {
  margin-left: auto;
}

.link {
  position: relative;
  color: var(--clr-primary);
  padding-bottom: 0.3em;
}

.link::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 0.15em;
  background: var(--clr-primary);
  transition: width 0.2s ease-in;
}

.link:hover::before,
.link:focus::before {
  width: 100%;
}

.link--nav,
.link--icon,
.footer__link {
  color: var(--clr-fg);
}

.link--nav {
  font-weight: 500;
  text-transform: lowercase;
}

.link--icon {
  font-size: 1.2rem;
}

.btn {
  display: block;
  padding: 0.8em 1.4em;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.2s ease-in-out;
}

.btn--outline {
  position: relative;
  overflow: hidden;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
  z-index: 1;
}

.btn--outline::before {
  content: "";
  position: absolute;
  inset: 0;
  right: 100%;
  background: var(--clr-primary);
  z-index: -1;
  transition: right 0.2s ease-in-out;
}

.btn--outline:hover,
.btn--outline:focus {
  color: var(--clr-bg);
}

.btn--outline:hover::before,
.btn--outline:focus::before {
  right: 0;
}

.btn--plain {
  background: var(--clr-bg-alt);
  box-shadow: rgba(0, 0, 0, 0.12) 0 3px 3px 0;
  text-transform: initial;
}

.btn--plain:hover {
  transform: translateY(-4px);
}

.btn--icon {
  padding: 0;
  font-size: 1.2rem;
}

.btn--icon:hover,
.btn--icon:focus {
  color: var(--clr-primary);
}

.about {
  flex-direction: column;
  margin-top: 3em;
  text-align: center;
}

.about__name {
  color: var(--clr-primary);
  display: inline-block;
  white-space: nowrap;
}

.about__role {
  margin-top: 1.2em;
  display: grid;
  gap: 0.12em;
  justify-items: center;
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  line-height: 1.18;
}

.role-line {
  white-space: nowrap;
}

.about__desc {
  max-width: 700px;
  margin-top: 2.4em;
  font-size: 1rem;
}

.about__contact {
  margin-top: 2.2em;
}

.about .btn--outline,
.about .link--icon {
  margin-right: 1em;
}

.news-list,
.experience-list {
  display: grid;
  gap: 1.2em;
}

.news,
.exp,
.project {
  background: var(--clr-bg-alt);
  box-shadow: var(--shadow);
  transition: transform 0.2s linear;
}

.news:hover,
.exp:hover,
.project:hover {
  transform: translateY(-6px);
}

.news {
  padding: 1.1em 1.25em;
  text-align: left;
}

.news_text p,
.exp p {
  margin: 0;
}

.exp {
  padding: 1.4em;
  text-align: left;
}

.exp h4 {
  margin-bottom: 0.55em;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18em, 1fr));
  gap: 2em;
}

.project {
  padding: 2em;
  text-align: center;
}

.project__description {
  margin-top: 1em;
}

.project__stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 1.2em 0;
}

.project__stack-item {
  margin: 0.5em;
  color: var(--clr-fg-alt);
  font-size: 0.8rem;
  font-weight: 500;
}

.project .link--icon {
  margin-left: 0.5em;
}

.skills__list {
  width: min(95%, 850px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.skills__list-item {
  margin: 0.5em;
}

.contact {
  flex-direction: column;
}

.footer {
  padding: 3em 0;
  margin-top: 4em;
  text-align: center;
}

.footer__link {
  font-size: 0.9rem;
  font-weight: 700;
}

.scroll-top {
  display: none;
  position: fixed;
  right: 2em;
  bottom: 1em;
  font-size: 1.8rem;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.28s ease-out,
    transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  h1 {
    font-size: 2.6rem;
  }
}

@media (max-width: 600px) {
  .header {
    justify-content: center;
  }

  .section {
    margin-top: 4em;
  }

  .nav__list {
    margin-right: 0;
    justify-content: center;
  }

  .nav__list-item {
    margin: 0.35em 0.6em;
    text-align: center;
  }

  .about {
    align-items: center;
    margin-top: 2em;
    text-align: center;
  }

  .about h1 {
    font-size: clamp(2.15rem, 9vw, 2.7rem);
    line-height: 1.08;
  }

  .about__role {
    font-size: clamp(1rem, 4.9vw, 1.3rem);
    gap: 0.18em;
  }

  .about__contact {
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .footer {
    padding: 2em;
    margin-top: 3em;
  }

  .scroll-container {
    display: none;
  }
}

@media (max-width: 420px) {
  .nav__list {
    gap: 0.2rem 0.45rem;
  }

  .nav__list-item {
    margin-left: 0;
  }

  .about h1 {
    font-size: 2rem;
  }

  .about__role {
    font-size: 0.98rem;
  }
}