/* 모든 페이지 공통 */

@font-face {
  font-family: "DungGeunMo";
  src: url("https://fastly.jsdelivr.net/gh/projectnoonnu/noonfonts_six@1.2/DungGeunMo.woff")
    format("woff");
  font-weight: normal;
  font-style: normal;
}

ul#topmenu li a {
  text-shadow: none;
  transition: text-shadow 0.3s ease;
}

ul#topmenu li a:hover {
  text-shadow: 6px 6px 0 #000, 2px 2px 0 #000, 3px 3px 0 #000;
}

* {
  margin: 0px;
  padding: 0px;
  background-color: rgb(130, 67, 67);
  color: rgb(255, 255, 255);
}

body {
  font-family: "DungGeunMo";
  /* font-family: "Press Start 2P", cursive; */
}

a {
  text-decoration-line: none;
}

.navbar {
  font-family: "Press Start 2P", cursive;
  margin-top: 30px;
  margin-right: 15px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.navbar #logo {
  font-size: xx-large;
  margin-left: 20px;
}

.navbar a {
  display: flex;
  font-size: large;
  margin-left: 15px;
  margin-right: 15px;
}

.navbar ul {
  display: flex;
  flex-direction: row;
  list-style-type: none;
}

footer {
  font-family: "Press Start 2P", cursive;
  text-align: center;
  font-size: small;
  margin-top: 50px;
  margin-bottom: 50px;
}

/* 인덱스 페이지 */

.start-box h2 {
  /* display: block; */
  /* font-family: "Do Hyeon"; */
  text-align: center;
  margin: 100px 150px;
  margin-bottom: 0px;
  padding: 200px;
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3; /* 아래 + 오른쪽 그림자 */
  background-color: rgb(132, 66, 66);
}
/* 타이핑 애니메이션 */
.cursor {
  display: inline-block;
  width: 1ch;
  animation: blink 0.7s step-end infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

#arrow {
  margin: 50px;
  display: flex;
  justify-content: center;
}

section {
  margin: 40px 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.box {
  margin: 30px 40px;
  padding: 120px 100px;
  text-align: center;
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
}

.exp {
  text-align: center;
}

.block3 img {
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
}

/* 프로젝트페이지 */

.exp3 {
  margin-top: 50px;
  text-align: center;
  font-size: 50px;
}

.block3 {
  margin: 0px 150px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: center;
}

.project {
  padding: 20px 30px;
  font-size: large;
  transition: transform 0.2s ease-in-out;
}

.title {
  padding: 15px 0px;
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
  border-bottom: none;
}

.input {
  display: none;
  padding: 15px 20px;
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
}

.project p {
  line-height: 35px;
}

.exp2 {
  text-align: center;
  font-family: "DungGeunMo";
  margin-top: 15px;
  margin-bottom: 30px;
}

.button {
  padding: 5px 5px;
  border: 2px solid white;
}

/* 팀페이지 */

.team {
  margin-top: 100px;
  text-align: center;
}

#member {
  display: flex;
  justify-content: center;
  margin: 30px 100px;
  flex-wrap: wrap;
  gap: 20px;
}

.mem {
  text-align: center;
  margin: 20px;
  padding: 20px;
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
  width: 120px;
  height: 180px;
  cursor: pointer;
  position: relative;
}

/* 카드회전효과 */

.mem-front,
.mem-back {
  position: absolute;
  width: 82%;
  height: 85%;
  backface-visibility: hidden;
  border-radius: 12px;
  transition: transform 0.6s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mem-front {
  z-index: 2;
  transform: rotateY(0deg);
}

.mem-back {
  transform: rotateY(180deg);
}

.mem.flipped .mem-front {
  transform: rotateY(180deg);
}

.mem.flipped .mem-back {
  transform: rotateY(360deg);
}

/* 카드회전 끝 */

.slider {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 50px auto;
  padding: 0px 100px;
  overflow: hidden;
  border: 3px solid #ffffff;
  box-shadow: 8px 8px 0 #000000a3;
}

.slides {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slide {
  min-width: 100%;
  text-align: center;
}

.prev,
.next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  border: none;
  padding: 8px 12px;
  font-size: 20px;
  cursor: pointer;
  z-index: 1;
}

.prev {
  left: 10px;
}

.next {
  right: 10px;
}

.desc {
  font-size: 14px;
  color: #ffffff;
  margin-top: 10px;
  padding: 0 10px 20px;
}

/*둥둥떠다니게*/
@keyframes floatUpDown {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes floatSlide {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.slider {
  animation: floatSlide 3s ease-in-out infinite;
}

.mem {
  animation: floatUpDown 3s ease-in-out infinite;
}

/* 스터디노트페이지 */
.slider2 {
  width: 100%;
  max-width: 1000px;
  overflow: hidden;
  margin: auto;
  position: relative;
}

.prog {
  border: 4px solid white;
  box-shadow: 8px 8px 0 #000000a3;
  display: block;
  margin: 0 auto;
}

.slides2 {
  display: flex;
  transition: transform 0.5s ease-in-out;
  width: 100%;
}

.slide2 {
  min-width: 100%;
  box-sizing: border-box;
  padding: 30px;
}

.content-row2 {
  display: flex;
  gap: 20px;
  margin-top: 15px;
}

.card2 {
  flex: 1;
  min-height: 250px;
  padding: 15px;
  overflow: auto;
  word-break: break-word;
}

.card2:nth-child(2) {
  flex: 1.5; /* 풀이 칸 더 넓게 */
}

pre {
  padding: 10px;
  overflow-x: auto;
  border: 1px solid white;
  font-size: 0.9em;
}

button.prev,
button.next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
  color: #ffffff;
}

button.prev {
  left: 10px;
}
button.next {
  right: 10px;
}

.cursor {
  display: inline-block;
  width: 1ch;
  animation: blink 0.8s steps(1) infinite;
  color: rgb(255, 255, 255);
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* 반응형 기능 */
/* index */

@media screen and (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin: 20px;
  }

  .navbar ul {
    flex-direction: column;
    gap: 10px;
  }

  .navbar a {
    font-size: medium;
    margin: 5px 0;
  }

  .start-box h2 {
    margin: 50px 20px;
    padding: 100px 20px;
    font-size: 0.8rem;
  }

  section {
    margin: 30px 20px;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, auto);
  }

  .box {
    margin: 20px 10px;
    padding: 60px 40px;
  }

  #arrow img {
    height: 80px;
  }

  #logo {
    font-size: x-large;
  }

  .exp {
    font-size: 0.9rem;
  }
}

/*  모바일 (480px 이하) */
@media screen and (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .navbar a {
    font-size: 0.75rem;
  }

  .start-box h2 {
    font-size: 0.7rem;
    padding: 80px 10px;
    margin: 30px 10px;
  }

  .box {
    padding: 40px 20px;
    font-size: 0.9rem;
  }

  #arrow {
    margin: 30px;
  }

  footer {
    font-size: 0.6rem;
  }
}

/* studynote */
@media screen and (max-width: 768px) {
  .slide2 {
    padding: 20px 15px;
  }

  .content-row2 {
    flex-direction: column;
    gap: 15px;
  }

  .card2 {
    font-size: 0.9rem;
    min-height: auto;
  }

  .card2:nth-child(2) {
    flex: 1;
  }

  pre {
    font-size: 0.8em;
  }

  .exp3 {
    font-size: 1rem;
    text-align: center;
    padding: 10px;
  }

  button.prev,
  button.next {
    font-size: 1.5rem;
    top: 45%;
  }
}

/* 반응형: 모바일 (480px 이하) */
@media screen and (max-width: 480px) {
  .slider2 {
    width: 100%;
    padding: 0 10px;
  }

  .card2 {
    font-size: 0.8rem;
    padding: 10px;
  }

  .slide2 h2 {
    font-size: 1.1rem;
  }

  .exp3 {
    font-size: 0.9rem;
    padding: 5px;
  }

  button.prev,
  button.next {
    font-size: 1.2rem;
    top: 40%;
  }

  .cursor {
    font-size: 1.2rem;
  }
}

/* 프로젝트 */
@media screen and (max-width: 1024px) {
  .block3 {
    grid-template-columns: 1fr 1fr;
  }

  .exp3 {
    font-size: 40px;
  }

  .title {
    font-size: 18px;
  }

  .button {
    font-size: 14px;
  }
}

@media screen and (max-width: 768px) {
  .block3 {
    grid-template-columns: 1fr;
  }

  .exp3 {
    font-size: 32px;
  }

  .project {
    padding: 15px;
  }

  .title {
    font-size: 16px;
  }

  .input {
    font-size: 14px;
  }

  .button {
    padding: 8px 12px;
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  .exp3 {
    font-size: 26px;
  }

  .exp2 {
    font-size: 14px;
  }

  .project p {
    font-size: 14px;
  }
}
/* 팀 */
@media (max-width: 768px) {
  .team {
    font-size: 14px;
    margin-top: 60px;
    padding: 0 10px;
  }

  .slider {
    padding: 0 20px;
  }

  .desc {
    font-size: 12px;
  }

  #member {
    margin: 20px;
    gap: 15px;
  }

  .mem {
    width: 100px;
    height: 150px;
    padding: 10px;
  }

  .mem-front,
  .mem-back {
    width: 90%;
    height: 90%;
  }
}

@media (max-width: 480px) {
  .team {
    font-size: 12px;
  }

  .slider {
    padding: 0 10px;
    max-width: 100%;
  }

  .slide h2 {
    font-size: 16px;
  }

  .slide img {
    height: 150px;
  }

  .prev,
  .next {
    font-size: 16px;
    padding: 6px 10px;
  }

  .mem {
    width: 90px;
    height: 140px;
    font-size: 10px;
  }

  #member {
    gap: 10px;
    margin: 10px;
  }
}