/*===== GERAL ===============================================*/

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "DM Sans", sans-serif;
}

:root {
  --hue: 90;
  --primary-color: hsl(var(--hue), 92%, 43%);
  --primary-hover: hsl(var(--hue), 92%, 33%);
  --secundary-color: hsl(0, 0%, 5%);
  --third-color: hsla(0, 0%, 100%, 0.1);
  --bg-color: hsl(0, 0%, 8%);

  --headline: hsl(0, 0%, 100%);
  --paragraph: hsla(0, 0%, 100%, 0.658);
  --paragraph-2: hsl(calc(var(--hue) + 10), 14%, 97%);

  font-size: 62.5%;
  --nav-height: 7.2rem;
}

html { scroll-behavior: smooth; }
html, body { width: 100%; height: 100%; }

body {
  font-size: 1.6rem;
  text-align: center;
  overflow: overlay;
  background-color: var(--bg-color);
}

body.light-mode {
  --secundary-color: rgb(229, 229, 229);
  --third-color: hwb(0 48% 52% / 0.356);
  --bg-color: rgb(241, 241, 241);
  --headline: hsl(0, 0%, 0%);
  --paragraph: rgb(32, 32, 32);
  --paragraph-2: hsl(calc(var(--hue) + 10), 14%, 3%);
}

::-webkit-scrollbar { width: 0.8rem; }
::-webkit-scrollbar-track { border-radius: 1rem; background: var(--bg-color); }
::-webkit-scrollbar-thumb { border-radius: 1rem; background: var(--paragraph); }

.wrapper {
  width: min(50rem, 100%);
  margin-inline: auto;
  padding-inline: 2.4rem;
}

ul { list-style: none; }
a { text-decoration: none; }
img { max-width: 100%; color: var(--paragraph); }

section {
  padding-block: 10rem;
  padding-inline: 2rem;
}

section h4 {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 150%;
  letter-spacing: 0.08rem;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 1.6rem;
}

section header h2 {
  font-size: 3rem;
  line-height: 3.9rem;
  color: var(--primary-color);
}

section h3 { color: var(--headline); }

section p,
section span {
  font-weight: 400;
  font-size: 1.7rem;
  line-height: 130%;
  color: var(--paragraph);
}

.button {
  background: none;
  border: 0.2rem solid var(--primary-color);
  margin-bottom: 6rem;
  padding: 1.4rem 3rem;
  width: fit-content;
  color: var(--primary-color);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  position: relative;
  transition: 400ms;
}

body.light-mode .button,
body.light-mode #home h4 {
  filter: brightness(0.8);
}

.button:hover {
  color: #fff;
  background-color: var(--primary-hover);
  border: 0.2rem solid var(--primary-hover);
  cursor: pointer;
}

body.light-mode .button:hover { filter: none; }

/*===== SOCIAL LINKS ===============================================*/

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.social-links li { height: 3rem; }

.social-links svg {
  margin-top: 0.3rem;
  transition: 300ms;
}

.social-links li:nth-child(1) svg {
  width: 2.7rem;
  height: 2.7rem;
}

.social-links svg:hover {
  margin-top: 0;
  margin-bottom: 0.3rem;
}

body .social-links li svg path { transition: 200ms; }

body .social-links li:nth-child(1) svg:hover path:nth-child(2),
body nav#navigation .social-links li:nth-child(1) svg:hover path:nth-child(2) {
  fill: #fff;
}

body .social-links li:nth-child(2) svg:hover path:nth-child(2),
body nav#navigation .social-links li:nth-child(2) svg:hover path:nth-child(2) {
  fill: #0a66c2;
}

#projects .card circle { fill: var(--secundary-color); }
#backToTopButton circle { fill: var(--primary-color); }

#contact li path,
#navigation button.open-menu path[stroke*="#00856F"] {
  stroke: var(--primary-color);
}

#navigation.scroll button.open-menu path[stroke*="#00856F"] {
  stroke: var(--paragraph-2);
}

/*===== NAVIGATION ===============================================*/

nav {
  width: 100vw;
  height: var(--nav-height);
  display: flex;
  position: fixed;
  top: 0;
  z-index: 100;
}

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

nav.scroll {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
}

body.light-mode nav.scroll {
  background: rgba(151, 151, 151, 0.5);
}

a.logo {
  font-family: "Gemunu Libre", sans-serif;
  font-size: 3rem;
  opacity: 0.7;
}

nav#navigation a.logo { color: var(--primary-color); }

body.light-mode nav#navigation a.logo,
body.light-mode footer a.logo {
  font-weight: bold;
}

footer a.logo,
nav#navigation.scroll a.logo,
body.menu-expanded nav#navigation a.logo,
body.light-mode.menu-expanded nav#navigation.scroll a.logo {
  color: #fff;
}

body.menu-expanded nav#navigation a.logo { opacity: 1; }

body.light-mode nav#navigation a.logo { filter: brightness(0.8); }

body.light-mode footer a.logo,
body.light-mode nav#navigation.scroll a.logo {
  color: #000;
}

nav#navigation .menu ul li a { color: #fff; }

nav button {
  background: none;
  border: none;
  cursor: pointer;
}

nav .menu,
nav .close-menu {
  position: fixed;
}

/*===== MENU-EXPANDED ===============================================*/

body.menu-expanded { overflow: hidden; }

body.menu-expanded nav#navigation.scroll {
  background: none;
  backdrop-filter: none;
}

.menu,
.close-menu,
body.menu-expanded .open-menu {
  opacity: 0;
  visibility: hidden;
}

body.menu-expanded .menu,
body.menu-expanded .close-menu {
  opacity: 1;
  visibility: visible;
}

.menu { transform: translateX(100%); }

body.menu-expanded .menu,
body.menu-expanded nav.scroll .menu {
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  width: 100vw;
  height: 100vh;
  padding-top: var(--nav-height);
  transition: transform 300ms;
  transform: translateX(0);
}

.menu ul:nth-child(1) {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin: 8rem 0 10rem 0;
  font-weight: 700;
  font-size: 2rem;
  line-height: 3.1rem;
}

body.menu-expanded nav .logo,
body.menu-expanded button {
  position: relative;
  z-index: 100;
}

body.menu-expanded button path { stroke: white; }

/*===== HOME ===============================================*/

#home {
  height: 100vh;
  min-height: calc(60rem + var(--nav-height));
  padding-block: 0;
  background-color: var(--secundary-color);
  display: flex;
  align-items: center;
}

#home .wrapper {
  height: 53rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6rem;
  position: relative;
}

#home h1 {
  font-size: 4.5rem;
  color: var(--headline);
  line-height: 110%;
  margin-bottom: 1rem;
}

#home p {
  display: inline-flex;
  font-size: 1.8rem;
  line-height: 150%;
  font-weight: bold;
  margin-bottom: 3.2rem;
}

#home .line {
  border-right: 0.2rem solid var(--primary-color);
  white-space: nowrap;
  overflow: hidden;
}

#home .typing {
  animation: line-typing 500ms steps(40) infinite normal,
    typing 2s steps(40) 1.4s normal backwards;
}

@keyframes typing {
  from { width: 0; }
  to { width: 27.5rem; }
}

@keyframes line-typing {
  from { border-right-color: var(--primary-color); }
  to { border-right-color: transparent; }
}

#home .button { margin-inline: auto; }

#home .col-b {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  animation: flutuar 3s infinite backwards;
  position: relative;
}

@keyframes flutuar {
  0%   { transform: translateY(2rem); }
  50%  { transform: translateY(-2rem); }
  100% { transform: translateY(2rem); }
}

#home .wrapper::before {
  content: "";
  display: block;
  width: 27rem;
  height: 27rem;
  background-color: var(--primary-color);
  border-radius: 100%;
  position: absolute;
  bottom: -3.1rem;
  z-index: -1;
  animation: appear 1s 500ms backwards;
}

#home canvas#globe-canvas {
  width: 28rem;
  height: 28rem;
  min-width: 14.5rem;
  min-height: 14.5rem;
  display: block;
  margin-inline: auto;
  filter: contrast(1.1);
  animation: appear 1s 1s backwards;
}

@keyframes appear {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/*===== ABOUT ===============================================*/

#about { text-align: left; }

#about .content p { margin-block: 2.4rem; }

#about .content a {
  text-decoration: none;
  color: var(--paragraph);
  font-weight: bold;
}

#about .col-a { margin-bottom: 6rem; }
#about .col-b { text-align: left; }

#about img {
  width: 38rem;
  border-radius: 2rem;
  box-shadow: 0 0 2rem black;
  transition: 600ms;
}

/*===== PROJECTS ===============================================*/

#projects { background-color: var(--secundary-color); }

#projects header { margin-bottom: 6rem; }

#projects header h2 { margin-bottom: 1.6rem; }

#projects header p {
  max-width: 60rem;
  margin: 0 auto 3rem;
  text-align: center;
}

#projects header p a {
  color: var(--paragraph);
  font-weight: bold;
  font-style: italic;
}

#projects header p + a {
  padding: 0.8rem 2rem;
  color: var(--paragraph);
  background-color: var(--third-color);
  border-radius: 0.8rem;
  display: inline-flex;
  justify-content: center;
  gap: 1rem;
  transition: 300ms;
}

#projects header a svg path:nth-child(2) { fill: var(--headline); }

#projects header a:hover { filter: brightness(0.7); }

#projects .cards {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 3.2rem;
}

#projects .card {
  padding: 4rem;
  background: var(--bg-color);
  border-radius: 0.6rem;
  box-shadow: -1rem 1rem 1rem rgba(0, 0, 0, 0.267);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  transition: 400ms;
}

#projects .card:hover { background: var(--third-color); }

#projects .card .img-wrapper {
  width: 100%;
  position: relative;
}

#projects .card img,
#projects .card video {
  width: 100%;
  height: 20rem;
  object-fit: cover;
  border-radius: 0.6rem;
  transition: 300ms;
}

#projects .card:hover > .img-wrapper video { filter: opacity(0.5); }

#projects .card:hover > .img-wrapper img { filter: opacity(0.5); }

#projects .card .buttons {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: center;
  gap: 1rem;
  transition: 400ms;
}

#projects .card:hover > .img-wrapper .buttons {
  visibility: visible;
  opacity: 1;
}

#projects .card .buttons a svg {
  width: 4rem;
  height: 4rem;
}

#projects .card .buttons a svg path:nth-child(2) {
  fill: #000;
  transition: 200ms;
}

#projects .card .buttons a:hover svg path:nth-child(2) { fill: #fff; }

#projects .card .buttons a {
  background: #fff;
  border-radius: 50%;
  width: 6rem;
  height: 6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 500ms;
}

#projects .card .buttons a:hover {
  background-color: #000;
  cursor: pointer;
}

#projects .button { margin: 6rem auto 0; }

/*===== CERTIFICATES ===============================================*/

#certificates header h2 { margin-bottom: 4rem; }

#certificates .cards {
  display: flex;
  flex-direction: column;
  gap: 3.2rem;
}

#certificates .card {
  background: var(--secundary-color);
  border-radius: 1.6rem;
  padding: 3.2rem;
  text-align: left;
  border-top: 3px solid var(--primary-color);
  transition: background 400ms;
}

#certificates .card:hover { background: var(--third-color); }

#certificates .card-top {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-bottom: 2.4rem;
}

#certificates .cert-icon { font-size: 4rem; flex-shrink: 0; }

#certificates .card-top img {
  width: 6rem;
  height: 6rem;
  object-fit: contain;
  flex-shrink: 0;
}

#certificates .card-top img.cert-lg {
  width: 9rem;
  height: 9rem;
}

#certificates .card h3 {
  color: var(--headline);
  font-size: 2rem;
  margin-bottom: 0.4rem;
}

#certificates .org {
  color: var(--primary-color);
  font-size: 1.4rem;
  font-weight: 600;
}

#certificates ul { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }

#certificates ul li {
  color: var(--paragraph);
  font-size: 1.5rem;
  padding-left: 2.4rem;
  position: relative;
}

#certificates ul li::before {
  content: "→";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/*===== KNOWLEDGE ===============================================*/

#knowledge header h2 { margin-bottom: 6rem; }

#knowledge .cards {
  display: flex;
  flex-direction: column;
  gap: 3.2rem;
}

#knowledge .card {
  padding: 2.8rem;
  text-align: left;
  background: var(--secundary-color);
  border-radius: 0.6rem;
  box-shadow: -1rem 1rem 1rem rgba(0, 0, 0, 0.267);
  transition: 400ms;
}

#knowledge .card:hover { background: var(--third-color); }

#knowledge .card h3 { margin-block: 1.6rem; }

#knowledge .card img { width: 10rem; }

#knowledge .card .icon-emoji {
  font-size: 8rem;
  display: block;
  line-height: 1;
  width: 10rem;
  text-align: center;
}

body:not(.light-mode) #knowledge .card img.icon-dark {
  filter: invert(1);
}

/*===== CONTACT ===============================================*/

#contact {
  text-align: left;
  background-color: var(--secundary-color);
}

#contact .col-a {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

#contact .col-a .content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#contact header { margin-bottom: 3.2rem; }
#contact ul { margin-bottom: 2rem; }

#contact ul a {
  width: fit-content;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 0.8rem;
  transition: 300ms;
  color: var(--paragraph);
}

#contact ul a:hover { background: var(--third-color); }

#contact a path { transition: 400ms; }

#contact a.button path { fill: var(--primary-color); }
#contact a.button:hover path { fill: #fff; }

#contact .col-b {
  height: 38rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

#contact .col-b img#contact-img {
  width: 13rem;
  animation: flutuar 2.5s infinite backwards;
  filter: brightness(1.2);
}

#contact .col-b::after {
  content: "";
  display: block;
  width: 13rem;
  height: 5rem;
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 100%;
}

body.light-mode #contact .col-b::after { background-color: rgba(0, 0, 0, 0.15); }

/*===== FOOTER ===============================================*/

footer {
  background-color: var(--secundary-color);
  text-align: left;
  color: var(--paragraph);
}

footer .wrapper {
  padding-block: 6rem;
  border-top: 0.1rem solid var(--paragraph);
}

footer .logo {
  display: inline-block;
  margin-bottom: 2.4rem;
  opacity: 0.6;
}

footer p {
  line-height: 2;
  margin-bottom: 3.2rem;
}

footer .social-links { justify-content: flex-start; }

footer .social-links li:nth-child(1) svg path:nth-child(2),
footer .social-links li:nth-child(2) svg path:nth-child(2) {
  fill: var(--paragraph-2);
}

/*===== TOGGLE TEMA ===============================================*/

#toggle {
  display: flex;
  position: fixed;
  bottom: 2rem;
  left: 2.5rem;
}

#toggle input {
  position: absolute;
  visibility: hidden;
}

#toggle label {
  width: 8rem;
  height: 4rem;
  background-color: var(--secundary-color);
  border: 0.1rem solid var(--primary-color);
  border-radius: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

#toggle label:hover { cursor: pointer; }

#toggle label::before {
  content: "";
  display: block;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  bottom: 0.5rem;
  left: 0.6rem;
  transform: translateX(0);
  transition: 500ms;
}

#toggle input:checked + label::before { transform: translateX(3.8rem); }

/*===== BACK TO TOP ===============================================*/

#backToTopButton {
  position: fixed;
  bottom: 1.5rem;
  right: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transition: 200ms;
  transform: translateY(100%);
}

#backToTopButton.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/*===== RESPONSIVO (DESKTOP) ===============================================*/

@media (min-width: 1024px) {
  body { overflow: auto; }

  .wrapper {
    width: min(112rem, 100%);
    display: grid;
  }

  section { padding-block: 13rem; }

  body section h2 {
    font-size: 4rem;
    line-height: 5.2rem;
  }

  .col-a { grid-area: A; }
  .col-b { grid-area: B; }

  /* NAV DESKTOP */
  nav#navigation .wrapper * {
    margin: 0;
    padding: 0;
    visibility: initial;
    display: initial;
    opacity: initial;
    flex-direction: initial;
    position: initial;
    font-size: initial;
    transform: initial;
    color: initial;
    background-color: initial;
    font-weight: initial;
    filter: initial;
  }

  nav#navigation a.logo,
  footer a.logo {
    font-size: 4rem;
    opacity: 0.7;
  }

  nav#navigation .close-menu,
  nav#navigation .open-menu {
    display: none;
  }

  nav#navigation .menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 60%;
  }

  nav#navigation .menu ul:nth-child(1) {
    display: flex;
    gap: 1rem;
  }

  nav#navigation .menu ul li a {
    color: var(--primary-color);
    opacity: 0.7;
    transition: opacity 0.4s;
  }

  body.light-mode nav#navigation .menu ul li a { opacity: 1; }

  nav#navigation.scroll .menu ul li a {
    color: var(--paragraph-2);
    opacity: 0.6;
  }

  nav#navigation .menu ul:nth-child(1) li {
    width: 8.4rem;
    color: var(--paragraph);
  }

  nav#navigation .menu ul:nth-child(1) li:nth-child(3),
  nav#navigation .menu ul:nth-child(1) li:nth-child(4) { width: 14rem; }

  nav#navigation .menu ul li a.active,
  nav#navigation .menu ul li a:hover {
    opacity: 1;
    font-weight: 700;
  }

  nav#navigation.scroll .menu ul li a.active,
  nav#navigation.scroll .menu ul li a:hover {
    opacity: 1;
  }

  nav#navigation .menu ul:nth-child(1) li a::after {
    content: "";
    width: 0%;
    height: 2px;
    background-color: var(--primary-color);
    display: block;
    position: relative;
    bottom: -2rem;
    left: -0.5rem;
    transition: width 0.2s;
  }

  nav#navigation.scroll .menu ul li a::after {
    background-color: var(--paragraph-2);
  }

  nav#navigation .menu ul li a:hover::after,
  nav#navigation .menu ul li a.active::after {
    padding-inline: 0.8rem;
    width: 100%;
  }

  nav#navigation .social-links {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
  }

  /* HOME DESKTOP */
  #home { padding-top: var(--nav-height); }

  #home .wrapper {
    flex-direction: row;
    justify-content: space-between;
    grid-template-columns: repeat(2, 1fr);
    grid-template-areas: "A B";
  }

  #home .col-a {
    text-align: left;
    align-self: center;
  }

  #home h1 { font-size: 6rem; }

  #home .content p { font-size: 2.5rem; }

  #home .button { margin: 0; }

  #home .wrapper::before {
    width: 40rem;
    height: 40rem;
    right: 2rem;
    bottom: 7rem;
  }

  #home canvas#globe-canvas {
    width: 38rem;
    height: 38rem;
  }

  /* ABOUT DESKTOP */
  #about .wrapper {
    grid-template-columns: 48rem 1fr;
    grid-template-areas: "B A";
    gap: 6.7rem;
  }

  #about .col-a { align-self: center; }
  #about .col-b { text-align: center; }

  #about img:hover { scale: 1.07; }

  /* PROJECTS DESKTOP */
  #projects .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
  }

  #projects h3 { height: 5rem; }

  /* CERTIFICATES DESKTOP */
  #certificates .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.2rem;
  }

  /* KNOWLEDGE DESKTOP */
  #knowledge .cards {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4rem;
  }

  #knowledge .card {
    width: 30%;
    flex-grow: 1;
  }

  /* CONTACT DESKTOP */
  #contact .wrapper {
    grid-template-columns: 1fr 57.5rem;
    grid-template-areas: "A B";
  }

  #contact .col-a {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 0;
  }

  #contact .col-a .content { align-items: flex-start; }

  /* FOOTER DESKTOP */
  footer .wrapper {
    grid-template-columns: 1fr 1fr;
    grid-template-areas: "A B";
  }

  footer .col-a { align-self: center; }
  footer .col-b { align-self: center; }
  footer p { margin-bottom: 0; }
  footer .social-links { justify-content: flex-end; }
}

@media (max-width: 500px) {
  #home h1 { font-size: 3.6rem; }
  section { padding-inline: 1.5rem; }
}

@media (max-width: 320px) {
  #home h1 { font-size: 2.8rem; }
}
/*===== CENTRALIZAR ÚLTIMO CARD QUANDO SOZINHO ===============================================*/

/* Versão desktop (1024px+) */
@media (min-width: 1024px) {
  #projects .cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
  }

  /* Centraliza o último card quando estiver sozinho na linha */
  #projects .card:nth-last-child(1):nth-child(3n - 2) {
    grid-column: 2;
  }
}

/* Versão tablet/mobile (menos de 1024px) */
@media (max-width: 1023px) {
  #projects .cards {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  #projects .card {
    max-width: 500px;
    width: 100%;
  }
}