/* =========================================================
   학생 성장 지원 로드맵 — 메인
   - 1024px 이상: 1920×1080 시안 구도 그대로 (좌표는 시안 px 값, --u 로 비례 축소)
   - 1023px 이하: 세로 타임라인
   ========================================================= */

/* 제목용 고산자체: 제목 글자만 남긴 subset (tools/subset_font.py 로 생성) */
@font-face {
  font-family: "Gosanja";
  src: url("../assets/fonts/gosanja-subset.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #2d3c85;
  --green: #456d2a;
  --green-dark: #2f4c1b;
  --green-soft: #e9f1e0;
  --maroon: #74162b;
  --dash: #855700;
  --dash-hot: #f08c1a;
  --road: #d5e1ca;
  --ink: #111;
  --bg: #fff;

  --font-title: "Gosanja", "Pretendard Variable", Pretendard, sans-serif;

  --ease: cubic-bezier(.22, .8, .3, 1);
  --arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h13M12 5l7 7-7 7' fill='none' stroke='%23000' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  word-break: keep-all;
}

img { display: block; max-width: 100%; }
ol, ul { margin: 0; padding: 0; list-style: none; }
h1, h2, p { margin: 0; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }

/* 제목류는 고산자체 (굵기가 하나뿐이라 가짜 볼드 방지) */
.school__name,
.map__title,
.stage__link,
.badge {
  font-family: var(--font-title);
  font-weight: normal;
  font-synthesis: none;
}

:focus-visible {
  outline: 3px solid var(--dash-hot);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- 공통 컴포넌트 ---------- */

.badge {
  display: inline-grid;
  place-items: center;
  flex: none;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.stage__link {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  letter-spacing: -0.03em;
}

.stage__name {
  position: relative;
  transition: color .25s;
}

/* 제목 밑줄: hover 시 왼쪽에서 그어짐 */
.stage__name::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.12em;
  height: 0.1em;
  border-radius: 1em;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}

.item {
  position: relative;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color .25s, color .25s;
}

/* 글머리 점 */
.item::before {
  content: "";
  flex: none;
  border-radius: 50%;
  background: currentColor;
  transition: transform .3s var(--ease), background-color .25s;
}

/* 오른쪽 화살표 (hover 시 미끄러져 나옴) */
.item::after {
  content: "";
  flex: none;
  background: currentColor;
  -webkit-mask: var(--arrow) center / contain no-repeat;
  mask: var(--arrow) center / contain no-repeat;
  opacity: 0;
  transform: translateX(-40%);
  transition: opacity .25s, transform .35s var(--ease);
}

.item:hover,
.item:focus-visible {
  background: var(--green-soft);
  color: var(--green-dark);
}

.item:hover::before,
.item:focus-visible::before {
  background: var(--green);
  transform: scale(1.35);
}

.item:hover::after,
.item:focus-visible::after {
  opacity: 1;
  transform: none;
}

.item:active { background: #dbe8cd; }

.stage__art img {
  transition: transform .45s var(--ease), filter .45s var(--ease);
  transform-origin: 50% 100%;
}

/* 누를 수 있는 곳임을 알리는 커서 */
.stage__art,
.stage__link,
.item { cursor: pointer; }

/* 준비 중 안내 토스트 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  z-index: 10;
  max-width: calc(100% - 32px);
  padding: 14px 22px;
  border-radius: 999px;
  background: rgba(24, 32, 18, .92);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity .25s, transform .35s var(--ease);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* =========================================================
   데스크톱: 시안 구도
   ========================================================= */
@media (min-width: 1024px) {
  body {
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    place-items: center;
  }

  .map {
    /* 화면 너비·높이 모두에 맞추되 1024px 아래로는 줄이지 않음 */
    width: min(100%, 1920px, max(1024px, 100svh * 16 / 9));
    aspect-ratio: 16 / 9;
    position: relative;
    container-type: inline-size;
    overflow: hidden;
  }

  .map > *,
  .stage__art,
  .stage__info {
    --u: calc(100cqw / 1920);
  }

  .map__layer,
  .map__dashes {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  /* ---- 머리글 ---- */
  .school {
    position: absolute;
    left: calc(248.9 * var(--u));
    top: calc(80.9 * var(--u));
    display: flex;
    align-items: center;
    gap: calc(7 * var(--u));
  }

  .school__logo {
    width: calc(87.1 * var(--u));
    height: auto;
  }

  .school__name {
    color: var(--maroon);
    font-size: calc(35.3 * var(--u));
    letter-spacing: -0.035em;
    margin-top: calc(5 * var(--u));
  }

  .map__title {
    position: absolute;
    left: calc(261 * var(--u));
    top: calc(158.5 * var(--u));
    color: var(--navy);
    font-size: calc(58.8 * var(--u));
    line-height: calc(81 * var(--u));
  }

  /* ---- 단계 배치: 시안 좌표(--x, --y, --w) 그대로 ---- */
  .stage__art {
    position: absolute;
    left: calc(var(--x) * var(--u));
    top: calc(var(--y) * var(--u));
    width: calc(var(--w) * var(--u));
    transition: opacity .35s, filter .35s;
  }

  .stage__art img { width: 100%; height: auto; }

  .stage__info {
    position: absolute;
    left: calc(var(--x) * var(--u));
    top: calc(var(--y) * var(--u));
    transition: opacity .35s, filter .35s;
  }

  .badge {
    width: calc(60.3 * var(--u));
    height: calc(60.3 * var(--u));
    font-size: calc(33 * var(--u));
  }

  .stage__link {
    gap: calc(16 * var(--u));
    font-size: calc(32 * var(--u));
    white-space: nowrap;
  }

  .items {
    margin-top: calc(14 * var(--u));
    margin-left: calc(22.5 * var(--u));
  }

  .item {
    /* 글자 위치는 시안과 같게, 누르는 영역만 좌우로 넓힘 */
    margin-left: calc(-12 * var(--u));
    padding: calc(2 * var(--u)) calc(14 * var(--u)) calc(2 * var(--u)) calc(12 * var(--u));
    gap: calc(14 * var(--u));
    font-size: calc(24 * var(--u));
    line-height: calc(29.5 * var(--u));
    letter-spacing: -0.035em;
    white-space: nowrap;
  }

  .item::before {
    width: calc(9.6 * var(--u));
    height: calc(9.6 * var(--u));
  }

  .item::after {
    width: calc(18 * var(--u));
    height: calc(18 * var(--u));
    margin-left: calc(-6 * var(--u));
  }

  /* 점선 */
  .dash {
    fill: var(--dash);
    stroke: var(--dash-hot);
    stroke-width: 0;
    transition: fill .3s, stroke-width .3s;
  }

  /* ---- 단계 hover / focus: JS 가 .map[data-active] 설정 ---- */

  /* 다른 단계는 살짝 흐리게 */
  /* 그림은 반투명하게 하면 뒤의 길이 비치므로, 투명도 대신 색을 옅게 */
  .map[data-active]:not([data-active=""]) .stage:not(.is-active) .stage__art {
    filter: saturate(.25) contrast(.55) brightness(1.3);
  }

  .map[data-active]:not([data-active=""]) .stage:not(.is-active) .stage__info {
    opacity: .4;
  }

  /* 해당 단계로 들어오는 길의 점선 강조 */
  .map[data-active="1"] .dash-1,
  .map[data-active="2"] .dash-2,
  .map[data-active="3"] .dash-3,
  .map[data-active="4"] .dash-4,
  .map[data-active="5"] .dash-5 {
    fill: var(--dash-hot);
    stroke-width: 1.6;
  }

  .stage.is-active .stage__art img {
    transform: translateY(calc(-10 * var(--u))) scale(1.04);
    filter: drop-shadow(0 calc(14 * var(--u)) calc(12 * var(--u)) rgba(40, 60, 20, .18));
  }

  .stage.is-active .badge {
    transform: scale(1.1);
    box-shadow: 0 0 0 calc(7 * var(--u)) rgba(69, 109, 42, .18);
  }

  .stage__link:hover .stage__name,
  .stage__link:focus-visible .stage__name,
  .stage.is-art-hover .stage__name {
    color: var(--green-dark);
  }

  .stage__link:hover .stage__name::after,
  .stage__link:focus-visible .stage__name::after,
  .stage.is-art-hover .stage__name::after {
    transform: scaleX(1);
  }
}

/* 터치 기기(마우스 없음): hover 로 알려줄 수 없으니 화살표를 항상 표시 */
@media (hover: none) {
  .item::after {
    opacity: .45;
    transform: none;
  }
}

/* =========================================================
   태블릿·모바일: 세로 타임라인
   ========================================================= */
@media (max-width: 1023.98px) {
  .map {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 16px 72px;
  }

  .map__layer,
  .map__dashes { display: none; }

  .map__header { margin-bottom: 36px; }

  .school {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
  }

  .school__logo { width: 46px; height: auto; }

  .school__name {
    color: var(--maroon);
    font-size: 19px;
    letter-spacing: -0.03em;
  }

  .map__title {
    color: var(--navy);
    font-size: clamp(32px, 7.5vw, 48px);
    line-height: 1.3;
  }

  .stages {
    position: relative;
    display: grid;
    gap: 20px;
  }

  /* 로드맵의 길을 세로 점선으로 */
  .stages::before {
    content: "";
    position: absolute;
    top: 24px;
    bottom: 24px;
    left: 23px;
    width: 14px;
    border-radius: 14px;
    background: var(--road);
  }

  .stages::after {
    content: "";
    position: absolute;
    top: 24px;
    bottom: 24px;
    left: 29px;
    border-left: 2px dashed var(--dash);
  }

  .stage {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 60px 1fr;
    grid-template-areas: "info info" ". art";
    padding: 4px 0 8px;
  }

  .stage__art {
    grid-area: art;
    justify-self: center;
    width: min(62%, 260px);
    margin-top: 8px;
    order: 2;
  }

  .stage__art img { width: 100%; height: auto; }

  .stage__info { grid-area: info; }

  .badge {
    width: 48px;
    height: 48px;
    font-size: 24px;
    border: 5px solid var(--bg);
    box-sizing: content-box;
    margin-left: -1px;
  }

  .stage__title { margin-left: 0; }

  .stage__link {
    gap: 12px;
    font-size: 22px;
    padding-right: 8px;
  }

  .items {
    display: grid;
    gap: 2px;
    margin: 6px 0 0 60px;
  }

  .item {
    display: flex;
    min-height: 44px;
    margin-left: -12px;
    padding: 8px 14px 8px 12px;
    gap: 12px;
    font-size: 17px;
    line-height: 1.4;
  }

  .item::before { width: 7px; height: 7px; }

  .item::after {
    width: 16px;
    height: 16px;
    margin-left: auto;
    opacity: .45;
    transform: none;
  }

  .item:hover::after,
  .item:focus-visible::after { opacity: 1; transform: translateX(3px); }

  .stage__art:active img { transform: scale(.97); }
}

@media (min-width: 640px) and (max-width: 1023.98px) {
  /* 태블릿: 그림을 오른쪽에 두는 2단 */
  .stage {
    grid-template-columns: 60px 1fr 220px;
    grid-template-areas: "info info art";
    align-items: center;
  }

  .stage__art { width: 100%; margin-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
  }
}