* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: rgb(23, 23, 23);
  background: linear-gradient(to right, #434343, #000000);
  color: white;
  font-family: "Poppins", sans-serif;
  background-image: url(/about-bg.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}

nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 80px;
  background-color: black;
}
nav ul {
  display: flex;
  justify-content: center;
}
nav ul li {
  list-style: none;
  margin: 0 23px;
}

nav ul li a {
  text-decoration: none;
  color: white;
}

nav ul li a:hover {
  color: rgb(186, 187, 193);
  font-size: 1.02rem;
}

.left {
  font-family: "plakato-pro", sans-serif;
  font-size: 2rem;
}

#menu {
  display: none;
}

.left label {
  display: none;
}

main hr {
  border: 0;
  background-color: antiquewhite;
  height: 1.5px;
  margin: 50px 85px;
}

footer {
  background-color: whitesmoke;
}

.menu {
  display: none;
}

.footer {
  display: flex;
  padding: 10px;
  justify-content: space-evenly;
  color: black;
}

.footer ul {
  list-style: none;
  margin: 23px 0px;
}

.footer ul li {
  padding: 10px;
}

.footer-first {
  width: 20vw;
}

.footer-second {
  width: 20vw;
}

.footer-third {
  width: 15.5vw;
  margin: 0px;
}

.footer .footer-second a {
  color: black;
  font-size: 1.2rem;
  font-weight: lighter;
}

.footer .footer-second a:hover {
  font-weight: 400;
}

footer .footer-text-rights {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-image: url(/about-bg.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.footer-text-rights a {
  color: white;
}

.footer-text-rights ul {
  display: flex;
  justify-content: space-around;
}

.footer-text-rights ul li {
  list-style: none;
  width: 70px;
}

.social-media {
  cursor: pointer;
  border-radius: 50%;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.social-media:hover {
  transform: scale(1.02);
  box-shadow: 0 0 15px 6.5px rgba(255, 255, 255, 0.7);
}


.firstsection {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin: 115px 0;
}

.firstsection > div {
  width: 30%;
}
.leftsection {
  font-size: 2.5rem;
}

.leftsection .buttons {
  padding: 10px 0px;
}

.leftsection .btn {
  font-size: 1.3rem;
  padding: 25px;
  width: auto;
  margin: 5px 0px;
  border: 2px;
  border-radius: 40px;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.leftsection .btn:hover {
  transform: scale(1.02);
  color: white;
  background-color: black;
  box-shadow: 0 0 10px 5px rgba(255, 255, 255, 0.7);
}

.rightsection img {
  width: 120%;
  border-radius: 50px;
  margin: 0px -28px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.rightsection img:hover {
  transform: scale(1.02);
  box-shadow: 0 0 20px 10px rgba(255, 255, 255, 0.7);
}

.plakato {
  font-family: "plakato-pro", sans-serif;
  font-size: 4rem;
}

.black-plakato {
  font-family: "plakato-pro", sans-serif;
  font-size: 2rem;
  color: black;
}

.text-gray {
  color: rgb(196, 201, 201);
}

#element {
  font-family: "plakato-pro", sans-serif;
  font-size: 4rem;
}

#element-2 {
  font-family: "plakato-pro", sans-serif;
  font-size: 3rem;
}

#element-3 {
  font-family: "plakato-pro", sans-serif;
  font-size: 3rem;
}

.secondsection {
  display: flex;
  justify-content: space-around;
  margin: 110px 10px;
  max-width: 96vw;
  height: auto;
}

.aboutleftsection {
  width: 50%;
  margin: 41px;
  padding: 1px;
}

.aboutleftsection img {
  width: 88%;
  margin: -35px 28px;
  border-radius: 50px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.aboutleftsection img:hover {
  transform: scale(1.02);
  box-shadow: 0 0 20px 10px rgba(255, 255, 255, 0.7);
}

.aboutrightsection {
  width: 110%;
}

.secondsection h1 {
  font-family: "plakato-pro", sans-serif;
  font-size: 3rem;
  font-weight: normal;
}

.secondsection p {
  font-size: 1.5rem;
}

.thirdsection {
  text-align: center;
  align-items: center;
  margin: 0px 50px 0px;
  height: auto;
}

.thirdsection h1 {
  font-family: "plakato-pro", sans-serif;
  font-size: 3rem;
  font-weight: normal;
}

.projectsection {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin: 38px 0px;
}

.projectsection hr {
  border: 0;
  background-color: rgb(247, 241, 241);
  height: 1.5px;
  margin: 9px 23px;
  box-shadow: 0 6px 20px rgba(210, 207, 207, 0.623);
}

.projectsection a {
  color: white;
}

.projectsection ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin: 20px;
}

.projectsection ul li {
  list-style: none;
}

.left-project-section {
  background-color: white;
  box-shadow: 0 6px 20px rgba(210, 207, 207, 0.623);
  width: 30%;
  height: 40vw;
  border-radius: 20px;
  background-image: url(/30\ Building\ Drawing\ Ideas\ That\ You\ Needs\ to\ Try!\ 39.jpeg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.left-project-section:hover .project-content {
  opacity: 1;
}

.left-project-section:hover .overlay {
  opacity: 1;
}

.middle-project-section {
  background-color: white;
  box-shadow: 0 6px 20px rgba(210, 207, 207, 0.623);
  width: 30%;
  height: 40vw;
  border-radius: 20px;
  background-image: url(/30x\ Outrageously\ Creative_\ Weird\ Drawing\ Ideas\ 2024!\ 82.jpeg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.middle-project-section:hover .project-content {
  opacity: 1;
}

.middle-project-section:hover .overlay {
  opacity: 1;
}

.right-project-section {
  background-color: white;
  box-shadow: 0 6px 20px rgba(210, 207, 207, 0.623);
  width: 30%;
  height: 40vw;
  border-radius: 20px;
  background-image: url(/地圖肖像Map\ Portrait\ no_00514.jpeg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.right-project-section:hover .project-content {
  opacity: 1;
}
.right-project-section:hover .overlay {
  opacity: 1;
}

.project-content {
  color: white;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.4s ease;
  word-wrap: break-word;
  text-align: center;
}

.project-content p{
  padding: 5px;
}

.project-content h2 {
  font-family: "plakato-pro", sans-serif;
  font-weight: normal;
  font-size: 1.5rem;
}

.overlay {
  background-color: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 20px;
  height: 40vw;
}

.designsection {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  margin: 38px 0px;
}

.design-row1{
  display: flex;
  margin: 10px;
}

.design-row2 {
  display: flex;
  margin: 10px;
}

.designsection div img {
  width: 150px;
  height: auto;
  border-radius: 20px;
  cursor: pointer;
  margin: 10px;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.designsection div img:hover {
  transform: scale(1.02);
  box-shadow: 0 0 20px 10px rgba(255, 255, 255, 0.7);
}

.plakato-inline {
  font-family: "plakato-inline-pro", sans-serif;
  font-weight: 400;
  font-size: 2rem;
  font-style: normal;
}

.fourthsection {
  text-align: center;
  margin: 115px;
}

.fourthsection h1 {
  font-family: "plakato-pro", sans-serif;
  font-size: 3rem;
  font-weight: normal;
}

.contactsection {
  display: flex;
  justify-content: space-around;
  margin: 25px;
  height: auto;
}

.contactsection h1 {
  font-family: "plakato-inline-pro", sans-serif;
  font-weight: 400;
  font-size: 3rem;
  font-style: normal;
}

.contactsection hr {
  border: none;
  height: 6px;
  background: white;
  width: 137px;
  margin: -10px 0px 10px;
  border-radius: 10px;
}

.contactsection textarea {
  font-family: "Poppins", sans-serif;
  height: 140px;
  border-radius: 20px;
  padding-top: 15px;
}

.overlay-2 {
  background: rgba(128, 128, 128, 0.37);
  box-shadow: 0 6px 20px rgba(210, 207, 207, 0.623);
  border-radius: 20px;
  width: fit-content;
  margin: 0px 50px;
  padding: 23px;
}

.contactsection .contact-form-left {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 10px;
}

.contact-input {
  width: 400px;
  height: 60px;
  border: none;
  outline: none;
  color: rgb(58, 58, 58);
  border-radius: 50px;
  padding-left: 25px;
  font-weight: 500;
  font-size: medium;
}

.contact-input:focus {
  border: 2px solid rgb(255, 255, 255);
  background: black;
  color: white;
}

.contact-input::placeholder {
  color: rgb(158, 153, 153);
  font-size: medium;
}

.contact-form-left button {
  display: flex;
  align-items: center;
  padding: 15px 30px;
  font-size: 16px;
  font-weight: 550;
  color: black;
  background: white;
  border-radius: 50px;
  border: none;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.contact-form-left button:hover {
  transform: scale(1.02);
  color: white;
  background-color: black;
  box-shadow: 0 0 10px 5px rgba(255, 255, 255, 0.7);
}

.contact-form-left img {
  height: 30px;
}

.contact-form-right {
  width: 40vw;
  height: auto;
  text-align: left;
  align-items: center;
}

@media screen and (max-width: 765px) {

  nav {
    display: flex;
    flex-direction: column;
    height: auto;
  }

  nav .left{
    display: flex;
    justify-content: space-between;
    width: 95%;
    margin-top: 15px;
    margin-bottom: 20px;
  }

  nav .left label {
    display: block;
    cursor: pointer;
    position: relative;
    width: 30px;
    height: 30px;
  }

  nav .left label::before {
    flex-direction: row;
    position: absolute;
    content: "menu";
    font-family: "Material Icons";
    top: 0;
    left: 0;
    font-size: 30px;
  }


  nav ul {
    width: 100%;
    flex-direction: column;
    gap: 15px;
    text-align: center;
    align-items: center;
    max-height:0;
    overflow: hidden;
    transition: 0.5s ease-in-out;
  }

  nav ul li {
    width: 500%;
    padding: 10px;
    border-radius: 0;
    border-top: 0.1rem solid rgba(255, 255, 255, 0.695);
  }

  #menu:checked ~ .right ul{
    max-height: 500px;
  }
  #menu:checked ~ .left label::before {
    content: "close";
  }


  .thirdsection .projectsection {
    display: inline;
  }

  .left-project-section {
    width: fit-content;
    margin: 23px;
  }

  .right-project-section {
    width: fit-content;
    margin: 23px;
  }

  .middle-project-section {
    width: fit-content;
    margin: 23px;
  }

  .overlay {
    overflow: scroll;
  }

  .fourthsection h1 {
    font-size: 2.5rem;
  }

  .overlay-2 {
    width: 80vw;
    margin: 0 auto;
    align-items: center;
  }

  .contactsection {
    justify-content: center;
    align-items: center;
  }

  .contactsection hr {
    width: 110px;
    margin: -6px 0 8px;
  }

  .contact-input {
    width: 75vw;
  }

  .contact-form-right {
    display: none;
  }

  .aboutrightsection p{
    width: fit-content;
    height: auto;
    font-size: 1rem;
  }
  .aboutrightsection h1{
    width: fit-content;
    height: auto;
    font-size: 2rem;
  }

  .secondsection {
    margin: 50px 10px;
  }

  .fourthsection {
    margin: 40px 10px;
  }

  #element-2 {
    font-size: 1.5rem;
    display: inline;
  }

  #element-3 {
    font-size: 1.5rem;
  }

  #element {
    font-size: 2rem;
  }

  .leftsection {
    font-size: 2rem;
  }

  .leftsection span {
    font-size: 2.5rem;
  }
  .leftsection #element,
  .leftsection .typed-cursor {
    display: inline;
    width: auto;
    vertical-align: baseline;
  }

  .footer-text-rights {
    font-size: 1rem;
  }

  .footer-text-rights ul li{
    width: 50px;
  }

  .social-media {
    height: 30px;
    padding: 10px;
    margin: 0px;
  }

  /* Keep hero taller on small (mobile) screens so About doesn't peek through */
  .firstsection {
    min-height: 85vh;
  }

}

@media screen and (max-width: 1199px) {
  * { margin: 0; padding: 0; }

  nav { display: flex; flex-direction: column; height: auto; }

  .overlay { overflow: auto; }

  /* Make design rows stack and scale images */
  .designsection { display: flex; flex-direction: column; align-items: center; margin: 0 0 0 -23px; }
  .design-row1, .design-row2 { display: flex; }
  .designsection div img { width: 90%; height: auto; margin: 23px; }

  .aboutrightsection { width: fit-content; height: auto; padding: 10vw; }
  .aboutrightsection h1 { font-size: 2.5rem; }
  .aboutrightsection p { font-size: 1.2rem; }

  .aboutleftsection { display: none; }
  .aboutleftsection img { opacity: 0; }

  /* Center all span-based text at this breakpoint */
  span {
    display: block;
    width: 100%;
    text-align: center;
  }

  /* Center the first section content on tablet and smaller screens */
  .firstsection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 60px 10px;
    min-height: 75vh; /* ensure hero stays tall on tablets */
  }
  .firstsection > div { width: 100%; max-width: 900px; }
  .leftsection { margin: 0 auto; width: 100%; text-align: center; }
  .rightsection { display: none; }
  .leftsection span,
  .aboutrightsection span,
  .contactsection span,
  .footer span {
    display: block;
    width: 100%;
    text-align: center;
  }
  .leftsection #element,
  .leftsection #element-2,
  .leftsection .typed-cursor {
    display: inline;
    width: auto;
    vertical-align: baseline;
  }

  /* Ensure hero image (profile) is visible and sized appropriately on small screens */
  .rightsection {
    display: block;
    width: 80%;
    margin: 18px auto 0;
    text-align: center;
  }
  .rightsection img, .profile-pic {
    width: 60%;
    height: auto;
    border-radius: 50px;
    display: inline-block;
  }
  /* Buttons: place Resume and Github side-by-side with equal size */
  .leftsection .buttons {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 420px; 
    margin: 0 auto;
  }
  .leftsection .buttons .btn {
    margin: 0;
    flex: 1 1 0;
    min-width: 0;
    height: 75px;
    width: 100%;
    max-width: 200px;
    padding: 12px 18px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
  }
  /* Ensure anchors inside the buttons container also size equally */
  .leftsection .buttons > * {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .leftsection .buttons a { display: flex; text-decoration: none; }
  .leftsection .buttons a .btn { width: 100%; }

  .contactsection {
    justify-content: center;
    align-items: center;
    margin: 20px 10px;
  }

  .overlay-2 {
    width: 88vw;
    margin: 0 auto;
    align-items: center;
  }

  .contactsection hr {
    width: 100px;
    margin: -6px 0 8px;
  }

  .footer { display: flex; justify-content: space-between; overflow: hidden; }
  .footer-first { width: auto; }
  .footer .footer-second, .footer-third, .footer .footer-fourth { display: none; }
  .fourthsection .contact-form-right { display: none; }
}