* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0 auto;
  color: #cca94c;
  font-family: "Spoqa Han Sans Neo", "sans-serif";
}

/* a 태그 초기화 */
a {
  all: unset;
}
a:link {
  text-decoration: none;
  color: #cca94c;
}
a:visited {
  text-decoration: none;
  color: #cca94c;
}
a:active {
  text-decoration: none;
  color: #cca94c;
}
a:hover {
  text-decoration: none;
  color: #cca94c;
}

.inner {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  overflow: hidden;
}

header {
  width: 100%;
  height: 60px;
  background-color: #fff3b9;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
}

.head-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.head-container .head-brand {
  font-weight: bold;
  font-size: 1.2rem;
}

.head-container .head-brand a:hover {
  color: #b84ccc !important;
  cursor: pointer;
}

.head-container .head-email {
  font-weight: bold;
  font-size: 0.8rem;
}

.head-container .head-email a:hover {
  color: #b84ccc;
  cursor: pointer;
}

section {
  width: 100%;
  background-color: #ffffff;
  position: relative;
}

.main {
  height: 360px;
  background-image: url("../img/colorful-background.jpg");
  background-size: cover;
  background-position: center 10%;
  background-repeat: no-repeat;
  z-index: 1;
}

.main-container {
  width: 100%;
  height: 100%;
  /* background-color: #fff3b9; */
  opacity: 0.8;
  z-index: 2;
  margin-top: 60px;
}

.title-container {
  padding-top: 100px;
  padding-bottom: 100px;
}

.title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #4a148c;
  /* color: #b84ccc; */
  padding-bottom: 0.8rem;
}

.message {
  font-size: 1rem;
  color: #5c6bc0;
  /* color: #b84ccc; */
  line-height: 1rem;
}

.skill-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 1rem 0;
}

.skill {
  width: 25%;
  background-color: #fff;
  display: flex;
  align-items: center;
  border-radius: 9px;
  padding: 0.5rem 1rem;
  margin: 0 1rem;
  color: #0a1a73;
  box-shadow: 10px 10px 20px rgba(25, 42, 70, 0.2);
  transition: 0.4s;
}

.skill:hover {
  transform: translate(0, -5px);
  box-shadow: 10px 10px 20px rgba(25, 42, 70, 0.5);
  cursor: pointer;
}

.skill-icon {
  font-size: 2.5rem;
  margin: 0 7px;
}

.skill-title {
  display: flex;
  flex-direction: column;
  align-content: center;
  padding-left: 10px;
}

.skill-name {
  font-weight: bold;
  margin-bottom: 0.2rem;
}

.skill-usage {
  font-size: 0.9rem;
  color: #968699;
  margin-bottom: 0.2rem;
  padding-left: 0.5rem;
  line-height: 0.8rem;
}

.python-style {
  color: #0433bf;
}

.database-style {
  color: #f2cb05;
}

.globe-style {
  color: #590202;
}

.roadmap-container {
  width: 100%;
  margin-top: 2rem;
}

.roadmap-title-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.roadmap-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: #968699;
}

.slide-prev,
.slide-next {
  font-size: 2rem;
  cursor: pointer;
  transition: color 0.25s ease, transform 0.3s ease;
}

.slide-prev {
  color: #6e6e6e;
}

.slide-next {
  color: #0433bf;
}

.slide-button--active {
  color: #0433bf;
  pointer-events: auto;
}

.slide-button--inactive {
  color: #c4c4c4;
  cursor: default;
  pointer-events: none;
}

.slide-prev-hover:hover {
  transition: transform 0.3s ease-in-out;
  transform: translateX(-2px);
}
.slide-next-hover:hover {
  transition: transform 0.3s ease-in-out;
  transform: translateX(2px);
}

.arrow-container {
  display: flex;
}

.class-list {
  display: flex;
  list-style: none;
  padding: 1rem 0;
  margin: 1rem 0 0 0;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  gap: 20px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.class-card {
  max-width: 240px;
  min-height: 315px;
  box-shadow: 10px 10px 20px rgba(25, 42, 70, 0.2);
  border-radius: 8px;
  margin: 0;
  transition: 0.4s;
  flex-shrink: 0;
  scroll-snap-align: start;
}

.class-card:hover {
  transform: translate(0, -5px);
  box-shadow: 10px 10px 20px rgba(25, 42, 70, 0.5);
  cursor: pointer;
}

.class-image {
  max-width: 100%;
  border-radius: 8px 8px 0 0;
  /* height: 150px; */
}

.class-container {
  width: 100%;
  padding: 0.5rem 1rem 1rem 1rem;
}

.class-skill {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.class-type {
  font-size: 0.9rem;
  color: #968699;
}

.class-format {
  font-size: 0.9rem;
  color: #fff;
  background-color: #b84ccc;
  padding: 0.2rem;
}

.class-desc {
  margin-top: 1rem;
  color: #968699;
}

.class-desc:hover {
  color: #42bcbe;
  cursor: pointer;
}

.class-title {
  font-size: 0.9rem;
  font-weight: bold;
  color: inherit;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.5rem;
}
.class-detail {
  font-size: 0.8rem;
  color: inherit;
  line-height: 1.5rem;
}

.roadmap-desc {
  display: visual;
}

footer {
  border-top: 1px solid #fff3b9;
  background-color: #fff3b9;
  padding: 1rem 0;
  margin: 1rem 0;
}

.footer-message {
  font-weight: bold;
  font-size: 0.9rem;
  color: #cca94c;
  margin-bottom: 0.8rem;
}

.footer-contact {
  font-size: 0.9rem;
  color: #cca94c;
  margin-bottom: 0.4rem;
}

.footer-copyright {
  font-size: 0.9rem;
  color: #cca94c;
}

#backtotop {
  background-color: #968699;
  width: 40px;
  height: 40px;
  text-align: center;

  border-radius: 20px;
  position: fixed;
  bottom: 30px;
  right: 30px;
  transition-property: background-color, opacity, visibility;
  transition-duration: 0.3s, 0.5s, 0.5s;
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}

/* 아이콘 적용 방법
  1. ::after (요소 뒤에 content 추가) 가상 요소에서,
  2. content: "폰트어썸 유니코드"를 넣고, 
  3. font-family: FontAwesome 이라고 넣으면 됨
*/
#backtotop::after {
  content: "\f077";
  font-family: FontAwesome;
  font-size: 1.5rem;
  line-height: 40px;
  color: #ffffff;
}

#backtotop.show:hover {
  cursor: pointer;
  background-color: #a179ff;
}

#backtotop.show {
  opacity: 1;
  visibility: visible;
  background-color: #968699;
}

ul li img:hover {
  cursor: grab;
}

ul li img:active {
  cursor: grabbing;
}

@media only screen and (min-width: 1200px) {
  .inner {
    max-width: 1200px;
  }
}

@media only screen and (max-width: 900px) {
  /* .skill-title {
    display: none;
  } */
  .skill {
    display: none;
  }
  .roadmap-desc {
    display: none;
  }
}

/* =========================== */
/* Color Theme Swatches in Hex */
.MC201---Web-Page-1-hex {
  color: #b84ccc;
}
.MC201---Web-Page-2-hex {
  color: #968699;
}
.MC201---Web-Page-3-hex {
  color: #a179ff;
}
.MC201---Web-Page-4-hex {
  color: #fff3b9;
}
.MC201---Web-Page-5-hex {
  color: #cca94c;
}