/* ==========================================================================
   일등급샘 (gradeup) 공통 스타일시트
   - 무의존성. 외부 폰트/CDN 없음. 이미지 없음(그래픽은 CSS/인라인 SVG).
   - 브랜드: 딥네이비 #0f2a4a 주색 / 레드 #b90920 포인트 / 배경 #f6f7f9
   - 담당자는 이 파일에 정의된 클래스만 사용해 주십시오.
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. 토큰
   -------------------------------------------------------------------------- */
:root{
  --navy:#0f2a4a;
  --navy-2:#163a63;
  --navy-3:#0a1e36;
  --red:#b90920;
  --red-2:#8e0718;
  --bg:#f6f7f9;
  --card:#ffffff;
  --ink:#1c2733;
  --muted:#5b6672;
  --line:#e3e7ec;

  --lv0:#98a2ae;   /* 미측정 */
  --lv1:#b90920;   /* 위험 */
  --lv2:#e07b16;   /* 주의 */
  --lv3:#1f9254;   /* 안정 */
  --lv4:#1668c4;   /* 완성 */

  --r-card:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(15,42,74,.05), 0 8px 24px rgba(15,42,74,.06);
  --sh-h:0 2px 6px rgba(15,42,74,.08), 0 16px 40px rgba(15,42,74,.10);
  --wrap:1120px;
  --pad:20px;
  --font:-apple-system, 'Segoe UI', 'Malgun Gothic', sans-serif;
}

/* --------------------------------------------------------------------------
   1. 리셋 · 기본
   -------------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background:var(--bg);
  word-break:keep-all;
  overflow-wrap:break-word;
  letter-spacing:-.01em;
}
img,svg{max-width:100%;}
svg{display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 14px;padding-left:20px;}
li{margin:0 0 6px;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.34;letter-spacing:-.025em;color:var(--navy);font-weight:800;}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.24;}
h2{font-size:clamp(24px,3.1vw,36px);}
h3{font-size:clamp(19px,2.1vw,23px);}
h4{font-size:17px;}
strong,b{font-weight:800;}
em{font-style:normal;}
hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
:focus-visible{outline:3px solid rgba(185,9,32,.45);outline-offset:2px;border-radius:6px;}

/* --------------------------------------------------------------------------
   2. 레이아웃 — .wrap .sec .sec.dark .sec.gray
   -------------------------------------------------------------------------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
.sec{
  padding:96px 0;
  background:var(--bg);
  position:relative;
}
.sec.gray{background:#eef1f5;}
.sec.dark{background:var(--navy);color:#e8eef6;}
.sec.tight{padding:56px 0;}
.sec + .sec{border-top:1px solid transparent;}

/* 다크 섹션 색 반전 */
.sec.dark h1,.sec.dark h2,.sec.dark h3,.sec.dark h4{color:#ffffff;}
.sec.dark .sub,.sec.dark .note,.sec.dark .label{color:#a9bdd4;}
.sec.dark .badge{background:rgba(255,255,255,.12);color:#ffffff;border-color:rgba(255,255,255,.24);}
.sec.dark .card,.sec.dark .step,.sec.dark .stat{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.16);
  color:#e8eef6;
  box-shadow:none;
}
.sec.dark .card h3,.sec.dark .step h3,.sec.dark .card h4,.sec.dark .step h4{color:#ffffff;}
.sec.dark .card p,.sec.dark .step p{color:#c9d8e8;}
.sec.dark .step::before{background:#ffffff;color:var(--navy);}
.sec.dark .num{color:#ffffff;}
.sec.dark .kv{color:#ffffff;}
.sec.dark .lead{color:#cddcec;}
.sec.dark .quote{border-left-color:#ffffff;color:#ffffff;background:rgba(255,255,255,.06);}
.sec.dark .btn.ghost{border-color:rgba(255,255,255,.6);color:#ffffff;background:transparent;}
.sec.dark .btn.ghost:hover{background:#ffffff;color:var(--navy);border-color:#ffffff;}
.sec.dark .tbl{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.16);}
.sec.dark .tbl th{background:rgba(255,255,255,.10);color:#ffffff;border-color:rgba(255,255,255,.16);}
.sec.dark .tbl td{border-color:rgba(255,255,255,.13);color:#dce7f3;}
.sec.dark .tbl tbody tr:hover td{background:rgba(255,255,255,.05);}
.sec.dark .list-check li{color:#dce7f3;}
.sec.dark .list-check li::before{background:#ffffff;color:var(--navy);}
.sec.dark .tag{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#ffffff;}
.sec.dark .roadline{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.16);}
.sec.dark .roadline .rl-line{background:rgba(255,255,255,.28);}
.sec.dark .roadline .rl-dot b{border-color:var(--navy);}
.sec.dark .roadline .rl-cap{color:#c9d8e8;}
.sec.dark .roadline .rl-t{color:#ffffff;}
.sec.dark .ph{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);color:#a9bdd4;}
.sec.dark a{color:#ffffff;}

/* --------------------------------------------------------------------------
   3. 헤더 — .hd .logo .mark .cta .nav-toggle #nav.open
   -------------------------------------------------------------------------- */
.hd{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
}
.hd .wrap{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:68px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:20px;
  color:var(--navy);
}
.logo b{font-weight:800;letter-spacing:-.04em;}
.logo em{
  font-size:12.5px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:-.02em;
  padding-left:10px;
  margin-left:2px;
  border-left:1px solid var(--line);
}
/* 로고 마크 — 로드맵 라인의 축약(작은 선 위 두 점) */
.mark{
  position:relative;
  width:26px;height:26px;
  flex:0 0 auto;
  border-radius:8px;
  background:linear-gradient(140deg,var(--navy) 0%,var(--navy-2) 100%);
}
.mark::before{
  content:"";
  position:absolute;left:5px;top:16px;
  width:16px;height:2px;
  background:rgba(255,255,255,.55);
  transform:rotate(-32deg);
  transform-origin:left center;
  border-radius:2px;
}
.mark::after{
  content:"";
  position:absolute;right:4px;top:4px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 2px rgba(255,255,255,.85);
}

#nav{margin-left:auto;}
#nav ul{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;padding:0;
}
#nav li{margin:0;}
#nav a{
  display:block;
  padding:9px 13px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  color:#33414f;
  transition:background .15s ease,color .15s ease;
}
#nav a:hover{background:#eef1f5;color:var(--navy);}
#nav a[aria-current="page"]{color:var(--navy);background:#e9eef5;}
#nav a.cta{
  margin-left:8px;
  background:var(--red);
  color:#ffffff;
  padding:10px 18px;
  box-shadow:0 6px 16px rgba(185,9,32,.22);
}
#nav a.cta:hover{background:var(--red-2);color:#ffffff;}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:40px;
  border:1px solid var(--line);
  background:#ffffff;
  border-radius:10px;
  font-size:18px;
  line-height:1;
  color:var(--navy);
  cursor:pointer;
}
.nav-toggle:hover{background:#f2f5f9;}

/* --------------------------------------------------------------------------
   4. 섹션 제목 — .sec-head .badge .sub
   -------------------------------------------------------------------------- */
.sec-head{
  max-width:760px;
  margin:0 auto 44px;
  text-align:center;
}
.sec-head h2{margin-bottom:12px;}
.sec-head.left{margin-left:0;text-align:left;}
.badge{
  display:inline-block;
  margin:0 0 14px;
  padding:5px 13px;
  border:1px solid #d7dee8;
  background:#ffffff;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--navy);
}
.badge.red{background:rgba(185,9,32,.07);border-color:rgba(185,9,32,.25);color:var(--red);}
.sub{
  margin:0;
  font-size:17px;
  color:var(--muted);
  line-height:1.75;
}

/* --------------------------------------------------------------------------
   5. 히어로 — .hero .hero-sub .kv .lead
   -------------------------------------------------------------------------- */
.hero{
  position:relative;
  padding:96px 0 88px;
  background:
    radial-gradient(1000px 480px at 80% -10%, rgba(185,9,32,.18) 0%, rgba(185,9,32,0) 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  color:#e8eef6;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.12);
}
.hero h1{color:#ffffff;}
.hero .badge{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);color:#ffffff;}
.hero p{color:#c9d8e8;}
.hero .btn.ghost{border-color:rgba(255,255,255,.62);color:#ffffff;}
.hero .btn.ghost:hover{background:#ffffff;color:var(--navy);border-color:#ffffff;}
.hero .roadline{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);}
.hero .roadline .rl-line{background:rgba(255,255,255,.28);}
.hero .roadline .rl-cap{color:#c9d8e8;}
.hero .roadline .rl-t{color:#ffffff;}
.hero .note{color:#9fb4cc;}
.hero-sub{
  max-width:640px;
  margin:0 0 28px;
  font-size:18px;
  line-height:1.78;
  color:#c9d8e8;
}
/* 핵심 문구 */
.kv{
  margin:0 0 18px;
  font-size:clamp(21px,2.7vw,30px);
  font-weight:800;
  line-height:1.44;
  letter-spacing:-.03em;
  color:var(--navy);
}
.kv .hl{
  color:var(--red);
  box-shadow:inset 0 -.34em 0 rgba(185,9,32,.10);
}
.sec.dark .kv .hl,.hero .kv .hl{color:#ff8494;box-shadow:inset 0 -.34em 0 rgba(255,255,255,.10);}
/* 도입 문단 */
.lead{
  max-width:720px;
  font-size:18px;
  line-height:1.8;
  color:#3c4854;
}

/* --------------------------------------------------------------------------
   6. 그리드 — .cards .grid2 .grid3 .grid4
   -------------------------------------------------------------------------- */
.cards,.grid2,.grid3,.grid4{
  display:grid;
  gap:20px;
  align-items:stretch;
}
.cards{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid4{grid-template-columns:repeat(4,minmax(0,1fr));}
.cards.c2{grid-template-columns:repeat(2,minmax(0,1fr));}
.cards.c4{grid-template-columns:repeat(4,minmax(0,1fr));}
.cards.c5{grid-template-columns:repeat(5,minmax(0,1fr));}
.grid2.side{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;}

/* --------------------------------------------------------------------------
   7. 카드 — .card .step .stat
   -------------------------------------------------------------------------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh);
  transition:box-shadow .18s ease, transform .18s ease;
}
.card:hover{box-shadow:var(--sh-h);transform:translateY(-2px);}
.card h3{font-size:19px;margin-bottom:10px;}
.card h4{margin-bottom:8px;}
.card p{color:var(--muted);font-size:15.5px;margin-bottom:10px;}
.card .kicker{
  display:block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.03em;
  color:var(--red);
  margin-bottom:8px;
}
.card.plain{box-shadow:none;}
.card.plain:hover{transform:none;box-shadow:none;}
.card.accent{border-top:3px solid var(--red);}

/* 번호 붙은 단계 카드 */
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 24px 26px 24px;
  box-shadow:var(--sh);
  counter-increment:stepc;
}
.step::before{
  content:counter(stepc);
  position:absolute;
  top:-16px;left:24px;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--navy);
  color:#ffffff;
  font-size:15px;
  font-weight:800;
  letter-spacing:0;
  box-shadow:0 4px 12px rgba(15,42,74,.22);
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:15.5px;}
.cards,.grid2,.grid3,.grid4{counter-reset:stepc;}
/* 명시적 번호 지정이 필요할 때: <div class="step" data-n="3"> */
.step[data-n]::before{content:attr(data-n);}

/* 숫자 강조 카드 */
.stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 20px;
  box-shadow:var(--sh);
  text-align:center;
}
.stat .num{display:block;}
.stat .label{display:block;margin-top:4px;}
.stat .note{display:block;margin-top:8px;}

/* 큰 숫자 · 라벨 · 주석 */
.num{
  font-size:clamp(28px,3.6vw,40px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.04em;
  color:var(--navy);
  font-variant-numeric:tabular-nums;
}
.num.red{color:var(--red);}
.num small{font-size:.5em;font-weight:800;margin-left:2px;letter-spacing:-.02em;}
.label{
  font-size:14px;
  font-weight:700;
  color:var(--muted);
  letter-spacing:-.01em;
}
.note{
  font-size:13px;
  line-height:1.65;
  color:#7b8794;
}

/* 사진 자리 플레이스홀더 (이미지 파일 없음) */
.ph{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:200px;
  padding:18px;
  border:1px dashed #cfd7e1;
  border-radius:var(--r-card);
  background:#eceff4;
  color:#8b96a3;
  font-size:14px;
  text-align:center;
}

/* --------------------------------------------------------------------------
   8. 버튼 — .btn .btn.ghost .btn.lg
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:1px solid var(--red);
  border-radius:var(--r-pill);
  background:var(--red);
  color:#ffffff;
  font-family:inherit;
  font-size:15.5px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.2;
  cursor:pointer;
  box-shadow:0 6px 18px rgba(185,9,32,.20);
  transition:background .16s ease,box-shadow .16s ease,transform .16s ease,color .16s ease,border-color .16s ease;
}
.btn:hover{background:var(--red-2);border-color:var(--red-2);color:#ffffff;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn.ghost{
  background:transparent;
  color:var(--navy);
  border-color:#c6d0dc;
  box-shadow:none;
}
.btn.ghost:hover{background:var(--navy);border-color:var(--navy);color:#ffffff;}
.btn.navy{background:var(--navy);border-color:var(--navy);box-shadow:0 6px 18px rgba(15,42,74,.20);}
.btn.navy:hover{background:var(--navy-3);border-color:var(--navy-3);}
.btn.lg{padding:16px 34px;font-size:17px;}
.btn.block{display:flex;width:100%;}
.btn[disabled],.btn.is-busy{opacity:.6;pointer-events:none;}
.btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* --------------------------------------------------------------------------
   9. 표 — .tbl
   -------------------------------------------------------------------------- */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.tbl{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  font-size:15px;
}
.tbl th,.tbl td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.tbl th{
  background:#f1f4f8;
  color:var(--navy);
  font-weight:800;
  white-space:nowrap;
}
.tbl tbody tr:last-child td{border-bottom:0;}
.tbl tbody tr:hover td{background:#f8fafc;}
.tbl td.c,.tbl th.c{text-align:center;}
.tbl td.r,.tbl th.r{text-align:right;font-variant-numeric:tabular-nums;}

/* --------------------------------------------------------------------------
   10. 인용 · 체크 목록 — .quote .list-check
   -------------------------------------------------------------------------- */
.quote{
  margin:0 0 18px;
  padding:18px 22px;
  border-left:4px solid var(--red);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:#ffffff;
  font-size:18px;
  font-weight:700;
  line-height:1.7;
  letter-spacing:-.02em;
  color:var(--navy);
}
.quote cite{
  display:block;
  margin-top:8px;
  font-size:13.5px;
  font-style:normal;
  font-weight:600;
  color:var(--muted);
}
.list-check{list-style:none;margin:0 0 14px;padding:0;}
.list-check li{
  position:relative;
  margin:0 0 10px;
  padding-left:30px;
  font-size:15.5px;
  color:#37434f;
}
.list-check li::before{
  content:"✓";
  position:absolute;left:0;top:.28em;
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--navy);
  color:#ffffff;
  font-size:12px;
  font-weight:800;
  line-height:1;
}
.list-check.red li::before{background:var(--red);}

/* --------------------------------------------------------------------------
   11. 태그 칩 — .tag / 숙련도 색 — .lv0~.lv4
   -------------------------------------------------------------------------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin:0 6px 6px 0;
  padding:4px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#ffffff;
  font-size:13px;
  font-weight:700;
  color:#3c4854;
  white-space:nowrap;
}
.tag::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:currentColor;
  opacity:.7;
}
.tag.plain::before{display:none;}
.tags{display:flex;flex-wrap:wrap;gap:0;}

/* 숙련도 단계 색: 회색 / 레드 / 주황 / 초록 / 파랑 */
.lv0{color:var(--lv0);}
.lv1{color:var(--lv1);}
.lv2{color:var(--lv2);}
.lv3{color:var(--lv3);}
.lv4{color:var(--lv4);}
.tag.lv0{background:rgba(152,162,174,.10);border-color:rgba(152,162,174,.38);color:#6b7683;}
.tag.lv1{background:rgba(185,9,32,.08);border-color:rgba(185,9,32,.34);color:var(--lv1);}
.tag.lv2{background:rgba(224,123,22,.10);border-color:rgba(224,123,22,.36);color:#b3600f;}
.tag.lv3{background:rgba(31,146,84,.10);border-color:rgba(31,146,84,.34);color:var(--lv3);}
.tag.lv4{background:rgba(22,104,196,.09);border-color:rgba(22,104,196,.32);color:var(--lv4);}
/* 색 블록(막대·점 등)으로 쓰는 경우 */
.bl.lv0,.dot.lv0{background:var(--lv0);}
.bl.lv1,.dot.lv1{background:var(--lv1);}
.bl.lv2,.dot.lv2{background:var(--lv2);}
.bl.lv3,.dot.lv3{background:var(--lv3);}
.bl.lv4,.dot.lv4{background:var(--lv4);}
.bl{display:block;height:10px;border-radius:var(--r-pill);background:var(--lv0);}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--lv0);vertical-align:middle;}

/* --------------------------------------------------------------------------
   12. 로드맵 라인 — .roadline  (브랜드 상징 그래픽, 순수 CSS)
   구조 예)
   <div class="roadline">
     <div class="rl-line"></div>
     <div class="rl-step"><span class="rl-dot"><b></b></span>
       <span class="rl-t">현재</span><span class="rl-cap">중2-1 결손 3단원</span></div>
     ... (rl-step 반복, 마지막에 .goal)
   </div>
   -------------------------------------------------------------------------- */
.roadline{
  position:relative;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:8px;
  padding:38px 22px 26px;
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
}
.roadline .rl-line{
  position:absolute;
  left:42px;right:42px;top:50px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,#c9d3df 0%, var(--navy) 55%, var(--red) 100%);
  z-index:0;
}
.roadline .rl-step{
  position:relative;
  z-index:1;
  flex:1 1 0;
  min-width:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:4px;
}
.roadline .rl-dot{
  display:flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  border-radius:50%;
  background:#ffffff;
  margin-bottom:6px;
}
.roadline .rl-dot b{
  display:block;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--navy);
  border:4px solid #ffffff;
  box-shadow:0 0 0 2px var(--navy);
}
.roadline .rl-step.done .rl-dot b{background:var(--lv3);box-shadow:0 0 0 2px var(--lv3);}
.roadline .rl-step.now .rl-dot b{background:var(--red);box-shadow:0 0 0 2px var(--red), 0 0 0 8px rgba(185,9,32,.12);}
.roadline .rl-step.goal .rl-dot b{
  background:var(--red);
  box-shadow:0 0 0 2px var(--red);
  width:20px;height:20px;
}
.roadline .rl-t{
  font-size:14.5px;
  font-weight:800;
  color:var(--navy);
  letter-spacing:-.02em;
}
.roadline .rl-cap{
  font-size:12.5px;
  line-height:1.55;
  color:var(--muted);
}
/* 세로형 (좁은 화면 또는 .vert 지정 시) */
.roadline.vert{flex-direction:column;align-items:stretch;padding:26px 22px;}
.roadline.vert .rl-line{left:34px;right:auto;top:40px;bottom:40px;width:3px;height:auto;
  background:linear-gradient(180deg,#c9d3df 0%, var(--navy) 55%, var(--red) 100%);}
.roadline.vert .rl-step{flex-direction:row;align-items:flex-start;text-align:left;gap:14px;padding:10px 0;}
.roadline.vert .rl-dot{margin-bottom:0;flex:0 0 auto;}
.roadline.vert .rl-tw{display:flex;flex-direction:column;gap:2px;}

/* --------------------------------------------------------------------------
   13. 등장 애니메이션 — .rv (app.js IntersectionObserver)
   -------------------------------------------------------------------------- */
.rv{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s ease, transform .55s ease;
  will-change:opacity, transform;
}
.rv.in{opacity:1;transform:none;}
/* JS 미작동 환경 대비 */
.no-js .rv{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .rv{opacity:1;transform:none;transition:none;}
  .card:hover,.btn:hover{transform:none;}
}

/* --------------------------------------------------------------------------
   14. 폼 (apply.html)
   -------------------------------------------------------------------------- */
.form{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh);
}
.field{margin:0 0 18px;}
.field > label{
  display:block;
  margin-bottom:7px;
  font-size:14.5px;
  font-weight:800;
  color:var(--navy);
}
.field .req{color:var(--red);margin-left:3px;}
.field input[type=text],
.field input[type=tel],
.field input[type=email],
.field input[type=date],
.field select,
.field textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid #d3dae3;
  border-radius:10px;
  background:#fbfcfd;
  font-family:inherit;
  font-size:15.5px;
  color:var(--ink);
  transition:border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:#ffffff;
  border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(15,42,74,.10);
}
.field .help{margin-top:6px;font-size:13px;color:#7b8794;}
.field .opts{display:flex;flex-wrap:wrap;gap:8px 16px;}
.field .opts label{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:#37434f;cursor:pointer;}
.field.err input,.field.err select,.field.err textarea{border-color:var(--red);box-shadow:0 0 0 3px rgba(185,9,32,.10);}
.field .errmsg{display:none;margin-top:6px;font-size:13px;font-weight:700;color:var(--red);}
.field.err .errmsg{display:block;}
.form-msg{
  display:none;
  margin:0 0 18px;
  padding:16px 18px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:700;
  line-height:1.7;
}
.form-msg.show{display:block;}
.form-msg.ok{background:rgba(31,146,84,.09);border:1px solid rgba(31,146,84,.3);color:#14663b;}
.form-msg.ng{background:rgba(185,9,32,.07);border:1px solid rgba(185,9,32,.28);color:var(--red);}

/* --------------------------------------------------------------------------
   15. 푸터 — .ft .fb .fc .fs
   -------------------------------------------------------------------------- */
.ft{
  background:var(--navy-3);
  color:#a9bdd4;
  padding:44px 0 52px;
  border-top:1px solid rgba(255,255,255,.08);
}
.fb{
  margin:0 0 10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.03em;
  color:#ffffff;
}
.fb span{
  display:inline-block;
  margin-left:10px;
  padding:3px 10px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:0;
  color:#c9d8e8;
  vertical-align:middle;
}
.fc{
  margin:0 0 12px;
  font-size:13.5px;
  line-height:1.8;
  color:#93a8c0;
}
.fs{
  margin:0;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  color:#7f95ae;
}

/* --------------------------------------------------------------------------
   16. 보조 유틸
   -------------------------------------------------------------------------- */
.tc{text-align:center;}
.tl{text-align:left;}
.mt0{margin-top:0;}
.mt8{margin-top:8px;}
.mt16{margin-top:16px;}
.mt24{margin-top:24px;}
.mt40{margin-top:40px;}
.mb0{margin-bottom:0;}
.mb16{margin-bottom:16px;}
.mb24{margin-bottom:24px;}
.center{margin-left:auto;margin-right:auto;}
.narrow{max-width:760px;}
.hide{display:none;}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* --------------------------------------------------------------------------
   17. 반응형 — 900px 이하 1열 + 헤더 메뉴 토글
   -------------------------------------------------------------------------- */
@media (max-width:1040px){
  .cards.c5{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .sec{padding:64px 0;}
  .sec.tight{padding:44px 0;}
  .hero{padding:64px 0 60px;}
  .sec-head{margin-bottom:32px;}

  .cards,.cards.c2,.cards.c4,.cards.c5,
  .grid2,.grid3,.grid4,.grid2.side{grid-template-columns:minmax(0,1fr);gap:16px;}
  .grid2.side{gap:28px;}

  .step{margin-top:14px;}

  /* 헤더 토글 */
  .nav-toggle{display:block;}
  .logo em{display:none;}
  #nav{
    display:none;
    position:absolute;
    left:0;right:0;
    top:100%;
    background:#ffffff;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 30px rgba(15,42,74,.10);
    padding:10px var(--pad) 18px;
  }
  #nav.open{display:block;}
  #nav ul{flex-direction:column;align-items:stretch;gap:2px;}
  #nav a{padding:13px 12px;border-radius:10px;font-size:16px;}
  #nav a.cta{margin-left:0;margin-top:8px;text-align:center;}
  .hd .wrap{position:relative;}

  /* 로드맵 라인은 세로로 전환 */
  .roadline{flex-direction:column;align-items:stretch;padding:24px 20px;}
  .roadline .rl-line{left:34px;right:auto;top:40px;bottom:40px;width:3px;height:auto;
    background:linear-gradient(180deg,#c9d3df 0%, var(--navy) 55%, var(--red) 100%);}
  .roadline .rl-step{flex-direction:row;align-items:flex-start;text-align:left;gap:14px;padding:9px 0;}
  .roadline .rl-dot{margin-bottom:0;flex:0 0 auto;}

  .quote{font-size:16.5px;padding:16px 18px;}
  .form{padding:22px 18px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .sec{padding:52px 0;}
  .hero-sub{font-size:16.5px;}
  .lead{font-size:16.5px;}
  .btns .btn{width:100%;}
  .tbl{font-size:14px;}
  .tbl th,.tbl td{padding:11px 12px;}
  .fb span{display:block;margin:8px 0 0;}
}

/* --------------------------------------------------------------------------
   18. 인쇄
   -------------------------------------------------------------------------- */
@media print{
  .hd,.nav-toggle,.btns,.btn{display:none !important;}
  .rv{opacity:1 !important;transform:none !important;}
  .sec,.hero{padding:24px 0;background:#ffffff !important;color:#000000 !important;}
  .card,.step,.stat,.tbl,.roadline{box-shadow:none;}
}

/* ── 사진 · 전환 장치 (벤치마크 반영: 3중 CTA) ───────────────── */
.photo{position:relative;overflow:hidden;border-radius:14px;background:#e9edf1;}
.photo img{display:block;width:100%;height:100%;object-fit:cover;}
.photo.ratio{aspect-ratio:16/9;}
.photo cap,.photo .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:13px;color:#fff;
  background:linear-gradient(to top,rgba(15,42,74,.78),rgba(15,42,74,0));}
.hero-photo{position:absolute;inset:0;z-index:0;}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.hero-photo::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(15,42,74,.92) 0%,rgba(15,42,74,.80) 45%,rgba(15,42,74,.55) 100%);}
.hero.has-photo{position:relative;color:#fff;}
.hero.has-photo .wrap{position:relative;z-index:1;}
.hero.has-photo h1,.hero.has-photo .lead,.hero.has-photo .kv{color:#fff;}
.hero.has-photo .sub,.hero.has-photo .note{color:#d6dee8;}

/* 하단 고정 문의 바 */
.stickybar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;justify-content:center;
  gap:16px;flex-wrap:wrap;padding:12px 16px;background:#0f2a4a;color:#fff;
  box-shadow:0 -4px 18px rgba(15,42,74,.22);}
.stickybar b{font-size:15px;}
.stickybar .hours{font-size:13px;color:#c6d2e0;}
.stickybar .btn{padding:10px 20px;min-height:44px;display:inline-flex;align-items:center;}
body{padding-bottom:72px;}
@media (max-width:640px){
  .stickybar{gap:8px;padding:10px 12px;}
  .stickybar .hours{width:100%;text-align:center;order:3;}
  body{padding-bottom:96px;}
}

/* 카카오톡 플로팅 */
.kakao{position:fixed;right:18px;bottom:88px;z-index:61;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:#FEE500;color:#191600;
  box-shadow:0 6px 18px rgba(0,0,0,.20);text-decoration:none;font-size:12px;font-weight:700;line-height:1.2;text-align:center;}
.kakao:hover{transform:translateY(-2px);}
@media (max-width:640px){.kakao{bottom:112px;right:14px;}}

/* 단계형 순환 네비 (벤치마크: 관리 과정을 단계로 훑게 만든다) */
.stepnav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:18px;border:1px solid #e3e7ec;border-radius:14px;background:#fff;}
.stepnav .sn-t{font-size:13px;color:#5b6672;}
.stepnav .sn-l{font-weight:700;color:#0f2a4a;}
.sec.dark .stepnav{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);}
.sec.dark .stepnav .sn-t{color:#c6d2e0;}
.sec.dark .stepnav .sn-l{color:#fff;}

/* 정원·잔여 표기 (정직한 희소성) */
.seats{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fdeaec;color:#b90920;font-size:13px;font-weight:700;}
.seats .dot{width:7px;height:7px;border-radius:50%;background:#b90920;}