/* ============================================================
   Jellness — 따뜻한 에디토리얼 톤 (Tone B)
   브랜드 색: 테라코타 #B84A3C / 오프화이트 #F4F1EC / 차콜 #1F1F1F
   폰트: Noto Serif KR (제목) / Noto Sans KR (본문)
   ============================================================ */

:root{
  --terracotta:#B84A3C;
  --terracotta-dark:#9a3d31;
  --terracotta-soft:#D4806F;
  --offwhite:#F4F1EC;
  --offwhite-2:#ECE7DE;
  --charcoal:#1F1F1F;
  --charcoal-2:#2c2c2c;
  --line:#E5DFD5;
  --line-soft:#efeae0;
  --muted:#6B6B6B;
  --muted-2:#888888;
  --success:#2F7B5F;
  --warning:#9a6a18;
  --danger:#9a3d31;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:90px}
/* 앵커 점프 시 sticky 헤더가 가리지 않도록 모든 id 요소에 안전 여유 */
[id]{scroll-margin-top:90px}
body{
  font-family:'Noto Sans KR',sans-serif;
  color:var(--charcoal);
  background:var(--offwhite);
  -webkit-font-smoothing:antialiased;
  line-height:1.75;
  font-size:16px;
  /* 한국어 가독성 — 어절(띄어쓰기 단위) 보존, 영문은 자연 줄바꿈 */
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit}

h1,h2,h3,h4,h5{font-family:'Noto Serif KR',serif;font-weight:500;letter-spacing:-0.02em;line-height:1.3;color:var(--charcoal)}

.container{max-width:1240px;margin:0 auto;padding:0 32px}
.container-narrow{max-width:840px;margin:0 auto;padding:0 32px}

/* sr-only — 스크린리더 전용 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 포커스 표시 */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--terracotta);
  outline-offset:2px;
  border-radius:2px;
}

/* ============================================================
   헤더 / 내비게이션
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(244,241,236,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px}
.brand-logo{font-family:'Noto Serif KR',serif;font-weight:700;font-size:22px;letter-spacing:0.06em;color:var(--charcoal)}
.brand-logo:hover{color:var(--terracotta)}
.nav-menu{display:flex;gap:34px;list-style:none;align-items:center}
.nav-menu a{font-size:14.5px;color:var(--charcoal-2);transition:color .15s}
.nav-menu a:hover,.nav-menu a.active{color:var(--terracotta)}
.nav-actions{display:flex;align-items:center;gap:10px}
.auth-cta{font-size:13.5px;padding:9px 20px;background:#fff;color:var(--charcoal,#1f1f1f);border:1.5px solid var(--terracotta);border-radius:999px;font-weight:500;transition:background .2s,color .2s;white-space:nowrap}
.auth-cta:hover{background:var(--terracotta);color:#fff}
.mobile-panel .mobile-auth{margin-top:8px;padding:10px 20px;border:1.5px solid var(--terracotta);border-radius:999px;color:var(--charcoal,#1f1f1f);text-align:center;font-size:14px;font-weight:500}
.mobile-panel .mobile-auth:hover{background:var(--terracotta);color:#fff}
.nav-cta{font-size:13.5px;padding:10px 22px;background:var(--terracotta);color:#fff;border-radius:999px;font-weight:500;transition:background .2s}
.nav-cta:hover{background:var(--terracotta-dark);color:#fff}
.nav-toggle{display:none;background:transparent;border:0;padding:6px;cursor:pointer;color:var(--charcoal)}
.nav-toggle svg{width:24px;height:24px}

/* 모바일 메뉴 패널 */
.mobile-panel{
  position:fixed;top:0;right:0;height:100vh;width:80%;max-width:320px;
  background:#fff;box-shadow:-8px 0 24px rgba(0,0,0,.06);
  transform:translateX(100%);transition:transform .25s ease;
  z-index:200;padding:24px;display:flex;flex-direction:column;gap:8px;
}
.mobile-panel.open{transform:translateX(0)}
.mobile-panel-close{align-self:flex-end;background:transparent;border:0;cursor:pointer;padding:6px;color:var(--charcoal)}
.mobile-panel a{padding:14px 8px;font-size:16px;color:var(--charcoal);border-bottom:1px solid var(--line-soft)}
.mobile-panel a:hover{color:var(--terracotta)}
.mobile-panel .nav-cta{margin-top:16px;text-align:center}
.mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:150}
.mobile-overlay.open{opacity:1;pointer-events:auto}

/* ============================================================
   섹션 공통
   ============================================================ */
.section{padding:100px 0}
.section-narrow{padding:80px 0}
.section-light{background:#fff}
.section-offwhite{background:var(--offwhite)}
.section-deep{background:var(--offwhite-2)}
.section-dark{background:var(--charcoal);color:#fff}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}

.kicker{font-family:'Noto Serif KR',serif;font-style:italic;color:var(--terracotta);font-size:18px;margin-bottom:18px}
.section-title{font-size:40px;line-height:1.25;margin-bottom:24px;max-width:780px}
.section-lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:680px;margin-bottom:48px}

/* ============================================================
   히어로
   ============================================================ */
.hero{padding:110px 0 90px}
.hero h1{font-size:64px;line-height:1.18;letter-spacing:-0.025em;margin-bottom:32px}
.hero h1 em{font-style:normal;color:var(--terracotta)}
.hero .lead{font-size:17.5px;color:#3a3a3a;line-height:1.85;max-width:560px}
.hero .lead p+p{margin-top:6px}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:72px;align-items:end}
.hero-side{padding-bottom:8px;border-left:1px solid var(--line);padding-left:36px}
.hero-side .label{font-size:12px;color:var(--terracotta);letter-spacing:0.16em;font-weight:500;margin-bottom:14px;text-transform:uppercase}
.hero-side h4{font-family:'Noto Serif KR',serif;font-size:19px;font-weight:500;line-height:1.55;margin-bottom:18px}
.hero-side p{font-size:14.5px;color:#555;line-height:1.85}
.hero-cta{margin-top:44px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .trust{margin-top:36px;font-size:13.5px;color:var(--muted-2);font-style:italic}
.hero .trust a{color:var(--terracotta);border-bottom:1px solid var(--terracotta);padding-bottom:1px}

/* ============================================================
   버튼
   ============================================================ */
.btn{display:inline-block;padding:15px 30px;font-size:14.5px;font-weight:500;border-radius:999px;cursor:pointer;border:0;transition:all .2s ease;text-align:center;font-family:inherit}
.btn-primary{background:var(--terracotta);color:#fff}
.btn-primary:hover{background:var(--terracotta-dark);color:#fff}
.btn-secondary{background:transparent;color:var(--charcoal);border:1px solid var(--charcoal)}
.btn-secondary:hover{background:var(--charcoal);color:#fff}
.btn-ghost{background:transparent;color:var(--charcoal);padding-left:0;padding-right:0;border-bottom:1px solid var(--charcoal);border-radius:0}
.btn-ghost:hover{color:var(--terracotta);border-color:var(--terracotta)}
.btn-sm{padding:11px 22px;font-size:13.5px}
.btn-lg{padding:18px 36px;font-size:15.5px}
.btn-block{display:block;width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed}

/* ============================================================
   카드 (3축, 라인업, FAQ 등)
   ============================================================ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.card-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}

.card{background:var(--offwhite);padding:40px 32px;border-radius:6px;transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(31,31,31,.05)}
.card-light{background:#fff;border:1px solid var(--line)}
.card-num{font-family:'Noto Serif KR',serif;font-style:italic;color:var(--terracotta);font-size:22px;margin-bottom:18px}
.card-eyebrow{font-size:12px;color:var(--terracotta);letter-spacing:0.14em;font-weight:500;text-transform:uppercase;margin-bottom:14px}
.card h3,.card h4{font-family:'Noto Serif KR',serif;font-size:24px;font-weight:500;margin-bottom:14px;line-height:1.45}
.card p{font-size:15px;color:#444;line-height:1.85}
.card .more{margin-top:auto;padding-top:24px;display:inline-block;font-size:13.5px;color:var(--terracotta);font-weight:500;border-bottom:1px solid var(--terracotta);padding-bottom:2px;align-self:flex-start}

.badge{display:inline-block;font-size:11.5px;letter-spacing:0.04em;padding:4px 12px;border-radius:999px;font-weight:500}
.badge-soft{background:var(--offwhite-2);color:var(--charcoal-2)}
.badge-coming{background:#fff;color:var(--muted);border:1px solid var(--line)}
.badge-active{background:#e7f1ec;color:var(--success)}
.badge-warning{background:#f7eed8;color:var(--warning)}
.badge-popular{background:var(--terracotta);color:#fff}

/* 가격 표기 */
.price{font-family:'Noto Serif KR',serif;font-size:28px;font-weight:500;color:var(--charcoal)}
.price-note{font-size:13px;color:var(--muted);margin-top:4px}

/* ============================================================
   폼
   ============================================================ */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;color:var(--charcoal);margin-bottom:8px;font-weight:500}
.form-label .required{color:var(--terracotta);margin-left:4px}
.form-input,.form-textarea,.form-select{
  width:100%;padding:14px 18px;border:1px solid var(--line);background:#fff;
  font-size:15px;color:var(--charcoal);border-radius:8px;
  transition:border-color .15s,box-shadow .15s;
}
.form-input:hover,.form-textarea:hover,.form-select:hover{border-color:#c8c0b1}
.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--terracotta);box-shadow:0 0 0 3px rgba(184,74,60,.1)}
.form-input::placeholder,.form-textarea::placeholder{color:var(--muted-2)}
.form-textarea{resize:vertical;min-height:130px;line-height:1.7}
.form-help{margin-top:6px;font-size:12.5px;color:var(--muted)}
.form-error{margin-top:6px;font-size:12.5px;color:var(--danger);display:none}
.form-input[aria-invalid="true"],.form-textarea[aria-invalid="true"]{border-color:var(--danger)}
.form-input[aria-invalid="true"]+.form-error{display:block}

.form-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#333;line-height:1.7}
.form-check input{margin-top:5px;accent-color:var(--terracotta)}
.form-check a{color:var(--terracotta);border-bottom:1px solid var(--terracotta);padding-bottom:1px}

/* 인라인 폼 (히어로/Preview 등) */
.form-inline{display:flex;gap:10px;max-width:520px}
.form-inline .form-input{flex:1}
.form-inline .btn{flex-shrink:0}

/* 알림 박스 */
.alert{padding:18px 22px;border-radius:8px;font-size:14.5px;line-height:1.7;margin:18px 0}
.alert-info{background:#eef3f6;color:#23475c;border-left:3px solid #5b8aa3}
.alert-success{background:#e7f1ec;color:#1b513c;border-left:3px solid var(--success)}
.alert-warning{background:#f7eed8;color:#6b4912;border-left:3px solid var(--warning)}
.alert-danger{background:#fbe7e3;color:#6b1e15;border-left:3px solid var(--danger)}

/* ============================================================
   FAQ 아코디언
   ============================================================ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 0;cursor:pointer;background:transparent;border:0;width:100%;text-align:left;
  font-family:inherit;color:var(--charcoal);
}
.faq-question h4{font-family:'Noto Serif KR',serif;font-size:18px;font-weight:500;line-height:1.5;flex:1;padding-right:20px}
.faq-icon{flex-shrink:0;width:22px;height:22px;color:var(--terracotta);transition:transform .25s}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{
  overflow:hidden;max-height:0;opacity:0;
  padding:0 0 0 0;font-size:15px;color:#444;line-height:1.9;max-width:780px;
  transition:max-height .4s cubic-bezier(.22,.61,.36,1),opacity .3s ease,padding .35s ease;
}
.faq-item.open .faq-answer{max-height:600px;opacity:1;padding:0 0 26px 0}

/* ============================================================
   라인업 / 상품 페이지
   ============================================================ */
.product-hero{padding:80px 0 60px;background:#fff;border-bottom:1px solid var(--line)}
.product-hero .container-narrow{display:flex;flex-direction:column;gap:18px}
.product-hero .crumb{font-size:13px;color:var(--muted)}
.product-hero .crumb a{color:var(--muted);border-bottom:1px solid transparent}
.product-hero .crumb a:hover{color:var(--terracotta);border-color:var(--terracotta)}
.product-hero h1{font-size:44px;line-height:1.25;margin:6px 0 14px}
.product-hero .summary{font-size:17px;color:#444;line-height:1.85}

.product-section{padding:70px 0;border-bottom:1px solid var(--line)}
.product-section h2{font-size:28px;margin-bottom:18px}
.product-section h3{font-size:21px;margin:32px 0 12px}
.product-section p{font-size:15.5px;color:#444;line-height:1.9;margin-bottom:14px}
.product-section ul{margin:8px 0 14px 0;padding-left:0;list-style:none}
.product-section ul li{font-size:15px;color:#444;line-height:1.85;padding:6px 0 6px 22px;position:relative}
.product-section ul li::before{content:"";position:absolute;left:0;top:18px;width:10px;height:1px;background:var(--terracotta)}

/* 트랙 비교 카드 (Club / Pro / Lab) */
.track-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:24px 0}
.track-card{background:#fff;padding:32px 28px;border-radius:8px;border:1px solid var(--line);display:flex;flex-direction:column}
.track-card.popular{border:2px solid var(--terracotta);position:relative}
.track-card.popular::before{content:"추천";position:absolute;top:-12px;right:24px;background:var(--terracotta);color:#fff;font-size:11px;padding:4px 12px;border-radius:999px;letter-spacing:0.04em}
.track-card .track-tier{font-family:'Noto Serif KR',serif;font-style:italic;color:var(--terracotta);font-size:15px;margin-bottom:6px}
.track-card h3{font-size:22px;margin-bottom:14px}
.track-card .target{font-size:14px;color:var(--muted);margin-bottom:18px;min-height:44px}
.track-card .price-note{margin-bottom:18px;font-size:13px;color:var(--muted)}
.track-card ul{margin-bottom:24px}
.track-card ul li{font-size:14px;line-height:1.8;padding:5px 0 5px 18px}
.track-card .btn{margin-top:auto}

/* 22가지 자료 — 발행 상태 배지 (공개 / 곧 공개 / 출시 예정) */
.lineup-table{width:100%;border-collapse:collapse;margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lineup-table th{background:var(--offwhite);text-align:left;padding:14px 18px;font-size:13px;color:var(--charcoal);font-weight:500;letter-spacing:0.02em}
.lineup-table td{padding:14px 18px;font-size:14px;color:#333;border-top:1px solid var(--line-soft);vertical-align:middle}
.lineup-table tr:hover{background:#fafaf6}

/* ============================================================
   푸터
   ============================================================ */
.site-footer{padding:80px 0 50px;background:var(--charcoal);color:#bdb6a8;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.site-footer h5{font-family:'Noto Serif KR',serif;color:#fff;font-size:16px;font-weight:500;margin-bottom:16px}
.site-footer .brand{font-family:'Noto Serif KR',serif;font-size:24px;color:#fff;font-weight:500;margin-bottom:10px}
.site-footer .tagline{font-style:italic;font-size:14px;color:#bdb6a8;line-height:1.7;max-width:340px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#bdb6a8;transition:color .15s}
.site-footer a:hover{color:var(--terracotta)}
.footer-bottom{padding-top:24px;border-top:1px solid #333;font-size:12.5px;color:#888;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.footer-bottom a{color:#888}
.footer-bottom a:hover{color:var(--terracotta)}
.footer-legal-links{display:flex;gap:16px;flex-wrap:wrap}

/* ============================================================
   미디어 프레임 — 실사 이미지/영상이 들어가는 자리
   (창립자 본인 비노출. 시연자·모델 등장 가능)
   기본 비율은 4:5(세로). 가로 이미지가 필요한 곳에서는 inline
   style 또는 modifier 클래스로 aspect-ratio를 재정의.
   ============================================================ */
.media-frame{
  background:var(--offwhite);
  border-radius:8px;
  display:block;
  aspect-ratio:4/5;
  width:100%;
}
.media-frame img,.media-frame video{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
  border-radius:8px;
  border:1px solid var(--line);
  background:var(--offwhite-2);
  display:block;
}
.media-frame figcaption{
  margin-top:10px;
  font-size:12.5px;color:var(--muted);font-style:italic;
}
.media-frame--landscape{aspect-ratio:4/3}
.media-frame--square{aspect-ratio:1/1}

/* 이전 일러스트 자리표시 (호환 유지용 · 새 페이지에는 .media-frame 사용 권장) */
.illust-placeholder{
  background:linear-gradient(135deg,#F4F1EC 0%,#ECE7DE 100%);
  border:1px solid var(--line);
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:4/3;
  color:var(--muted);font-size:13px;font-style:italic;
}

/* ============================================================
   토스트
   ============================================================ */
.toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--charcoal);color:#fff;padding:14px 24px;border-radius:999px;font-size:14px;
  box-shadow:0 6px 20px rgba(0,0,0,.15);
  opacity:0;pointer-events:none;transition:all .25s ease;z-index:300;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============================================================
   완료/결과 페이지 (Preview·뉴스레터 등)
   ============================================================ */
.complete-block{padding:100px 0;text-align:center}
.complete-block h1{font-size:36px;margin-bottom:18px}
.complete-block .lead{font-size:17px;color:#444;line-height:1.85;max-width:560px;margin:0 auto 36px}
.complete-block .check-icon{width:64px;height:64px;background:var(--offwhite);color:var(--terracotta);border-radius:50%;margin:0 auto 28px;display:flex;align-items:center;justify-content:center}
.complete-block .check-icon svg{width:28px;height:28px}
.complete-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.complete-help{padding:24px 26px;background:#fff;border:1px solid var(--line);border-radius:8px;text-align:left;max-width:560px;margin:0 auto;font-size:14.5px;color:#444;line-height:1.85}
.complete-help h4{font-family:'Noto Serif KR',serif;font-size:16px;margin-bottom:10px}

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 980px){
  .hero h1{font-size:48px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-side{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:32px}
  .card-grid-3,.card-grid-2,.track-grid,.meth-grid{grid-template-columns:1fr !important;gap:18px !important}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:70px 0}
  .section-title{font-size:32px}
}
@media (max-width: 720px){
  body{font-size:15.5px;line-height:1.95}
  .container,.container-narrow{padding:0 22px}
  .hero{padding:60px 0 50px}
  .hero h1{font-size:30px;line-height:1.35}
  .product-hero{padding:50px 0}
  .product-hero h1{font-size:28px;line-height:1.35}
  .section{padding:56px 0}
  .section-title{font-size:24px;line-height:1.4}
  /* 모바일에서 한 줄 글자수 통제 — 가독선 유지 */
  .hero h1,.section-title,.product-hero h1{max-width:none}
  .hero .lead,.section-lead{max-width:none;line-height:1.95}
  /* 본문 단락 줄간격 */
  .card p,.product-section p,.faq-answer{line-height:1.95}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .nav-actions{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  /* ===== 모바일 전면 그리드 처방 — 모든 2단·3단 그리드를 1단으로 (인라인 스타일 오버라이드) ===== */
  .news-grid,
  .meth-grid,
  .card-grid,
  .card-grid-2,
  .card-grid-3,
  .track-grid,
  .lvj-grid,
  .hero-grid,
  .compare,
  .issue-structure,
  .axis-grid,
  .preview-grid,
  .about-grid {
    grid-template-columns:1fr !important;
    gap:18px !important;
    align-items:start !important;
  }
  /* 카드 내부 패딩 — 모바일에서 너무 두껍지 않게 */
  .card,.lvj-card,.track-card{padding:24px 22px !important}
  /* 그리드 자식 카드 — 너비 100% 강제 (인라인 폭 오버라이드) */
  .news-grid > *,
  .meth-grid > *,
  .card-grid > *,
  .card-grid-2 > *,
  .card-grid-3 > *,
  .track-grid > *,
  .lvj-grid > *,
  .hero-grid > *,
  .compare > *,
  .issue-structure > *,
  .axis-grid > * {
    width:100% !important;
    max-width:100% !important;
    min-width:0 !important;
  }
  /* 폼 인라인 — 세로로 */
  .form-inline{flex-direction:column}
  .form-inline .btn{width:100%}
  /* 버튼 큼직하게 */
  .btn{padding:14px 24px}
  .btn-lg{padding:16px 28px;font-size:15px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  /* 라인업 테이블 */
  .lineup-table{font-size:13px}
  .lineup-table th,.lineup-table td{padding:10px 12px}
  /* 푸터 사업자 정보 박스 — 모바일에서 글자 좀 더 작게 */
  .biz-info{font-size:11.5px !important;line-height:1.9 !important}
  /* 가로 스크롤 방지 */
  html,body{overflow-x:hidden}
}

/* ============================================================
   미세 모션 (editorial tone — 튀지 않게)
   - 스크롤 진입 시 페이드인 + 소폭 위로 이동
   - 카드 / 버튼 / 미디어 hover 부드러운 전환
   - prefers-reduced-motion 환경은 모든 모션 비활성
   ============================================================ */

/* 1. 스크롤 진입 페이드인 — JS가 .is-visible 클래스를 토글 */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .8s cubic-bezier(.22,.61,.36,1),
             transform .8s cubic-bezier(.22,.61,.36,1);
  will-change:opacity,transform;
}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* 같은 섹션 안의 자식 요소들이 시간차로 들어오는 스태거 */
.reveal-stagger > *{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .7s cubic-bezier(.22,.61,.36,1),
             transform .7s cubic-bezier(.22,.61,.36,1);
}
.reveal-stagger.is-visible > *{opacity:1;transform:translateY(0)}
.reveal-stagger.is-visible > *:nth-child(1){transition-delay:.05s}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.13s}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.21s}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.29s}
.reveal-stagger.is-visible > *:nth-child(5){transition-delay:.37s}
.reveal-stagger.is-visible > *:nth-child(6){transition-delay:.45s}

/* 2. 히어로 첫 로드 시 한 번만 흐르듯이 등장 */
.hero h1,.hero .lead,.hero-cta,.hero-side,.hero .trust{
  animation:hero-fade .9s cubic-bezier(.22,.61,.36,1) both;
}
.hero .lead{animation-delay:.12s}
.hero-cta{animation-delay:.22s}
.hero-side{animation-delay:.18s}
.hero .trust{animation-delay:.3s}
@keyframes hero-fade{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:translateY(0)}
}

/* 3. 카드 hover — 살짝 떠오르며 그림자 부드럽게 */
.card,.track-card,.lineup-table tbody tr{
  transition:transform .35s cubic-bezier(.22,.61,.36,1),
             box-shadow .35s ease,
             background-color .25s ease;
}
.card:hover,.track-card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 28px rgba(31,31,31,.07);
}
.lineup-table tbody tr:hover{background:#fafaf6}

/* 4. 버튼 hover — 부드러운 색·미세 위치 전환 */
.btn{
  transition:background-color .25s ease,
             color .25s ease,
             border-color .25s ease,
             transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

/* 5. 미디어 프레임 hover — 이미지가 살짝 확대 */
.media-frame{overflow:hidden}
.media-frame img,.media-frame video{
  transition:transform .9s cubic-bezier(.22,.61,.36,1);
}
.media-frame:hover img,.media-frame:hover video{
  transform:scale(1.03);
}

/* 6. 링크 hover — 밑줄이 좌→우로 채워지듯 */
.more{
  position:relative;
  display:inline-block;
  padding-bottom:2px;
}
.more::after{
  content:'';
  position:absolute;left:0;bottom:0;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.22,.61,.36,1);
}
.more:hover::after{transform:scaleX(1)}

/* 7. 모바일 패널 — slide-in 더 부드럽게 (FAQ는 위쪽 .faq-answer 규칙에서 처리) */
.mobile-panel{transition:transform .35s cubic-bezier(.22,.61,.36,1)}

/* prefers-reduced-motion 환경에서는 모션 비활성 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001s !important;
    animation-iteration-count:1 !important;
    transition-duration:.001s !important;
    scroll-behavior:auto !important;
  }
  .reveal,.reveal-stagger > *{opacity:1;transform:none}
}