* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-primary);
}

:root,
html {
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease;
}

body {
  background-color: var(--background-color);
  color: var(--font-color);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 400;
  padding: 0 2.5rem;
  height: 100%;
  min-height: 110vh;
  border: 0.063rem solid var(--gradient);
}

.emphasis {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  color: var(--secondary-color);
}

h2 {
  color: var(--font-color);
  font-size: 3.5rem;
  font-weight: bolder;
  line-height: 3rem;
  margin-bottom: 2rem;
}

button {
  border: 0.063rem solid;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bolder;
  padding: 0.75rem;
  margin-top: 1.5rem;
  transition: background-color 0.3s ease;
}
.primary {
  background: var(--gradient);
  color: var(--background-color);
  margin-right: 0.5rem;
}

.outline {
  background: var(--background-color);
  color: var(--font-color);
}

.primary:hover {
  background: var(--gradient);
  opacity: 70%;
}

.outline:hover {
  background-color: var(--font-color);
  color: var(--background-color);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.name {
  color: var(--gray);
  font-weight: bolder;
  font-size: 1rem;
  text-align: start;
}

nav {
  flex: 1;
}

nav ul {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 1rem;
  text-align: center;
  list-style: none;
}

nav ul li {
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
}

nav ul li:hover {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

nav ul li:active {
  color: var(--secondary-color);
}

.btn-dark-mode {
  cursor: pointer;
}

#hero,
#projects,
#experience,
#about,
#skills {
  padding: 3rem 0;
}

#hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  min-height: 90vh;
  padding: 0 2rem;
  margin-bottom: 2.813rem;
}

.greeting {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--font-color);
  margin-bottom: 0.5rem;
}

.principal {
  color: var(--secondary-color);
}

.title {
  font-size: 5.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--font-color);
  margin: 0;
}

.description {
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 26.4px;
  color: var(--terciary-color);
  margin-top: 1rem;
  max-width: 600px;
}

.hero-image img {
  width: 480px;
  height: 480px;
  border-radius: 50%;
  object-fit: cover;
}

.gradient-border {
  display: inline-block;
  padding: 0.07rem;
  border-radius: 50%;
  background: var(--gradient);
}

.gradient-border img {
  display: block;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--background-color);
  padding: 3.125rem;
}

#projects {
  padding: 3rem 0;
  margin-top: 6.25rem;
  margin-bottom: 2.813rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3.125rem;
}

.card-image {
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  transition: transform 0.3s ease;
  border-radius: 12px;
}

figcaption {
  font-size: 1.25rem;
  font-weight: bolder;
  margin-top: 1rem;
}

.card-image .description {
  font-size: 1.125rem;
  margin: 0.5rem 0;
}

#experience {
  font-size: 1.125rem;
  margin-bottom: 2.813rem;
}

#experience article {
  display: flex;
  flex-direction: column;
  gap: 0.02rem;
}

details {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  position: relative;
  padding: 1rem 1rem;
  border-left: 4px solid var(--terciary-color);
  transition: all 0.3s ease;
  cursor: pointer;
}

details[open] {
  border-left: 4px solid;
  border-image: var(--gradient) 1;
}

summary {
  font-size: 1.375rem;
  list-style: none;
  cursor: pointer;
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1rem;
  min-width: 200px;
  flex-shrink: 0;
}

summary:focus {
  color: var(--secondary-color);
}

details div {
  color: var(--font-color);
  margin-left: 0;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 0.5rem;
}

.data {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

div .fa-check {
  width: 1.563rem;
  height: 1.563rem;
  color: var(--secondary-color);
  margin-right: 4px;
}

main ul li summary {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

#skills article {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.skills-title {
  font-size: 1.5rem;
  font-weight: bolder;
  margin-bottom: 1rem;
}

.skills-group ul {
  list-style: none;
  margin: auto;
}

.skills-group li {
  font-size: 1.3rem;
}

#about p {
  font-size: 1.3rem;
}

footer {
  padding: 3rem 0;
  display: grid;
  grid-template-areas: "links social" "cta copyright";
  gap: 0.5rem;
}

/* Links de navegação */
footer .links {
  grid-area: links;
  justify-self: start;
  font-size: 1.125rem;
  font-weight: 600;
}

/* Redes sociais */
footer .social-medias {
  grid-area: social;
  justify-self: end;
  font-size: 1.25rem;
}

/* CTA - Pergunta e botões */
footer .cta {
  grid-area: cta;
  justify-self: flex-start;
  font-size: 1.375rem;
  font-weight: 600;
}

/* Copyright */
footer .copyright {
  grid-area: copyright;
  justify-self: flex-end;
  font-size: 1rem;
  margin-top: 5rem;
}

footer ul {
  display: flex;
  padding: 3rem 0;
  gap: 2rem;
}

footer li {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Efeitos hover */
footer a:hover {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Responsividade para tablets - Telas até 1024px */
@media (max-width: 1024px) {
  body {
    padding: 0 1.5rem;
  }

  #hero {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
    padding: 2rem 0;
  }

  .hero-image img {
    width: 340px;
    height: 340px;
  }

  .title {
    font-size: 4rem;
    line-height: 4rem;
  }

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

  #skills article {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsividade para celulares - Telas até 768px */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    gap: 1rem;
  }

  /* HERO */
  #hero {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .title {
    font-size: 3rem;
    line-height: 3.2rem;
  }

  .description {
    font-size: 1.1rem;
  }

  .hero-image img {
    width: 260px;
    height: 260px;
  }

  /* GRID DE PROJETOS */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  figcaption {
    text-align: center;
  }

  /* SKILLS */
  #skills article {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* SOBRE */
  #about p {
    font-size: 1.1rem;
  }

  /* CTA */
  .cta {
    text-align: center;
  }

  .cta button {
    width: 100%;
    margin-bottom: 1rem;
  }

  /* FOOTER */
  footer {
    grid-template-areas:
      "links"
      "social-medias"
      "cta"
      "copyright";
    gap: 1.5rem;
    padding: 2rem 0;
  }

  footer .links,
  footer .social-medias,
  footer .cta,
  footer .copyright {
    justify-self: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
  }

  footer ul {
    justify-content: center;
  }

  footer .copyright {
    margin-top: 0;
  }
}

/* Responsividade para telas muito pequenas - Telas até 480px */
@media (max-width: 480px) {
  .title {
    font-size: 2.4rem;
    line-height: 2.6rem;
  }

  .description {
    font-size: 1rem;
  }

  .hero-image img {
    width: 200px;
    height: 200px;
  }

  .skills-group li {
    font-size: 1.1rem;
  }
}