/* ===== 듀오타이트 TVC 런칭 이벤트 랜딩 (1차시안) =====
   시안 톤: 민트/청록 그라데이션 + 화이트 카드 + 딥틸 헤더, 모바일 세로 롱폼
   ※ 브랜드(듀오타이트/비올)·TVC영상·모델이미지·기간/경품 = 클라 자료로 교체 대상 */

:root{
  --teal:#16c2b3;
  --teal-2:#0fb0a3;
  --teal-deep:#0d9488;
  --teal-dark:#0b5e56;
  --teal-ink:#0a3d38;
  --mint:#d3f3ef;
  --mint-2:#e6f9f6;
  --cream:#f2fbf9;
  --yellow:#ffe08a;
  --ink:#152a27;
  --muted:#5c7a75;
  --white:#fff;
  --line:#d6ece8;
  --sans:"Pretendard",-apple-system,BlinkMacSystemFont,sans-serif;
  --shadow:0 12px 30px -14px rgba(13,148,136,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);line-height:1.6;background:#cfeee9;letter-spacing:-.02em}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}

/* 모바일 캔버스 (데스크탑에선 가운데 480px) */
.app{max-width:480px;margin:0 auto;background:linear-gradient(180deg,#bdeee7 0%,#d3f3ef 22%,#eafaf8 100%);min-height:100vh;overflow:hidden;position:relative}

/* 공통 */
.sec{padding:38px 22px}
.center{text-align:center}
.pill{display:inline-block;background:var(--teal-dark);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;padding:8px 20px;border-radius:999px}
.card{background:var(--white);border-radius:18px;padding:26px 22px;box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;font-weight:800;font-size:17px;padding:17px 26px;color:#fff;background:linear-gradient(180deg,var(--teal) 0%,var(--teal-deep) 100%);box-shadow:0 8px 18px -8px rgba(13,148,136,.7);transition:transform .12s,filter .2s;width:100%}
.btn:active{transform:scale(.97)}
.btn:disabled{filter:grayscale(.6);opacity:.55;box-shadow:none}
.btn-kakao{background:#fee500;color:#3c1e1e}
.btn-line{background:#fff;color:var(--teal-deep);border:2px solid var(--teal)}

/* ===== 히어로 ===== */
.hero{position:relative;padding:26px 22px 30px;background:linear-gradient(160deg,#17c7b7,#0e9d90 70%);color:#fff;overflow:hidden;border-radius:0 0 26px 26px}
.hero .tag{font-size:14px;font-weight:700;opacity:.95;letter-spacing:.02em}
.hero .big{font-size:56px;font-weight:900;line-height:.98;letter-spacing:-.03em;margin-top:6px;color:#eafffb;text-shadow:0 3px 0 rgba(11,94,86,.25)}
.hero .big span{color:#0a3d38}
.hero .hero-mid{font-size:30px;font-weight:900;line-height:1.12;margin-top:14px;color:#fff}
.hero .hero-mid em{font-style:normal;color:#ffe08a}
.hero .model{position:absolute;right:-6px;bottom:0;width:52%;max-width:230px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.25));border-radius:0 0 26px 0}
.hero .hero-body{position:relative;z-index:2;max-width:64%}

/* ===== 인트로 ===== */
.intro{text-align:center;padding-top:34px}
.intro .q{color:var(--teal-deep);font-weight:800;font-size:16px}
.intro .type{font-size:34px;font-weight:900;color:var(--teal-ink);margin:6px 0 4px;letter-spacing:-.03em}
.intro .type small{display:block;font-size:15px;color:var(--muted);font-weight:600;letter-spacing:0}
.intro p{color:var(--muted);font-size:15px;margin-top:12px}

/* 헤더 라벨 (딥틸 바) */
.hbar{background:linear-gradient(180deg,var(--teal-deep),var(--teal-dark));color:#fff;text-align:center;font-weight:800;font-size:18px;padding:13px;border-radius:12px;margin-bottom:18px;box-shadow:var(--shadow)}

/* 미션 안내 리스트 */
.mlist{display:flex;flex-direction:column;gap:14px}
.mrow{background:var(--white);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.mrow .t{font-weight:800;font-size:17px;color:var(--teal-ink)}
.mrow .d{font-size:14px;color:var(--muted);margin-top:5px}

/* 참여방법 STEP */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.step{background:var(--white);border-radius:14px;padding:20px 14px;text-align:center;box-shadow:var(--shadow)}
.step .n{font-size:12px;font-weight:800;color:#fff;background:var(--teal-deep);border-radius:999px;padding:4px 12px;display:inline-block}
.step .ic{font-size:34px;margin:12px 0 8px}
.step .t{font-size:14px;font-weight:700;color:var(--teal-ink)}
.step .d{font-size:12px;color:var(--muted);margin-top:4px}
.infolist{display:flex;flex-direction:column;gap:8px}
.inforow{display:flex;align-items:center;gap:10px;background:var(--white);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow);font-size:14px}
.inforow b{background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:800;padding:4px 10px;border-radius:8px;white-space:nowrap}
.note-must{text-align:center;color:var(--teal-deep);font-weight:700;font-size:14px;margin-top:16px}

/* ===== 미션 진행 상태 바 ===== */
.progress{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);display:flex;gap:8px;padding:10px 16px;box-shadow:0 2px 10px -6px rgba(0,0,0,.2)}
.pchip{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--muted);background:var(--mint-2);border-radius:10px;padding:8px}
.pchip.done{background:var(--teal-deep);color:#fff}
.pchip .dot{width:16px;height:16px;border-radius:50%;background:#cfe6e2;display:grid;place-items:center;font-size:10px;color:#fff}
.pchip.done .dot{background:#fff;color:var(--teal-deep)}

/* ===== 미션1 퀴즈 ===== */
.video-box{position:relative;border-radius:14px;overflow:hidden;background:#0a3d38;aspect-ratio:16/10;display:grid;place-items:center;margin-bottom:18px}
.video-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.video-box .play{position:relative;z-index:2;width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;font-size:24px;color:var(--teal-deep);border:0}
.video-box .vlabel{position:absolute;bottom:10px;left:12px;z-index:2;color:#fff;font-size:11px;background:rgba(0,0,0,.4);padding:4px 8px;border-radius:6px}
.qtext{font-weight:800;font-size:16px;color:var(--teal-ink);margin-bottom:14px}
.opts{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.opt{display:flex;align-items:center;gap:12px;border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:.15s;background:var(--white)}
.opt.sel{border-color:var(--teal);background:var(--mint-2)}
.opt.correct{border-color:#16c2b3;background:#dbf7f2}
.opt.wrong{border-color:#f0a3a3;background:#fbe4e4}
.opt .num{width:26px;height:26px;border-radius:8px;background:var(--teal-deep);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;flex-shrink:0}
.opt .txt b{display:block;font-size:15px;color:var(--ink)}
.opt .txt small{color:var(--muted);font-size:12.5px}
.quiz-msg{text-align:center;font-weight:700;font-size:14px;min-height:20px;margin-bottom:12px}
.quiz-msg.ok{color:var(--teal-deep)}
.quiz-msg.ng{color:#d15b5b}

/* ===== 미션2 계단게임 ===== */
.game-intro{text-align:center;margin-bottom:16px}
.game-intro .t{font-size:20px;font-weight:900;color:var(--teal-ink)}
.game-intro .d{font-size:14px;color:var(--muted);margin-top:6px}
.stage{position:relative;background:linear-gradient(180deg,#0b5e56,#0a3d38);border-radius:18px;padding:18px 16px;color:#fff;overflow:hidden}
.stage .hud{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:10px}
.stage .hud .lives{color:#ffb4b4}
.goal-flag{text-align:center;font-size:13px;font-weight:800;color:#ffe08a;margin-bottom:8px}
.climb{position:relative;height:230px;border-radius:12px;background:rgba(255,255,255,.06);overflow:hidden;display:grid;place-items:center}
.stepview{text-align:center}
.stepview .who{font-size:52px;line-height:1;transition:transform .12s}
.stepview .who.hit{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
.obstacles{display:flex;gap:40px;justify-content:center;margin-top:14px}
.lane{width:96px;height:70px;border-radius:12px;background:rgba(255,255,255,.1);border:2px dashed rgba(255,255,255,.25);display:grid;place-items:center;font-size:32px}
.lane.danger{background:rgba(255,90,90,.22);border-color:#ff6b6b}
.gcontrols{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.gbtn{background:rgba(255,255,255,.16);border:2px solid rgba(255,255,255,.3);color:#fff;font-weight:800;font-size:16px;padding:16px;border-radius:14px}
.gbtn:active{background:rgba(255,255,255,.3)}
.gbar{height:10px;border-radius:999px;background:rgba(255,255,255,.15);margin-top:14px;overflow:hidden}
.gbar>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#16c2b3,#ffe08a);transition:width .2s}
.retrybox{background:var(--yellow);border-radius:14px;padding:16px;text-align:center;margin-top:14px;color:#5a4a12;font-weight:700;font-size:14px}

/* ===== 응모/폼 ===== */
.entry{display:none}
.entry.show{display:block}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--teal-ink)}
.field label .req{color:#e08a8a}
.field input,.field select{width:100%;padding:14px;border:2px solid var(--line);border-radius:12px;font-family:inherit;font-size:15px;background:var(--cream)}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal)}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin:4px 0 16px}
.agree input{margin-top:3px}
.hp{position:absolute;left:-9999px}
.done-msg{display:none;text-align:center;padding:20px 0}
.done-msg.show{display:block}
.done-msg .mk{width:70px;height:70px;border-radius:50%;background:var(--teal-deep);color:#fff;display:grid;place-items:center;font-size:34px;margin:0 auto 16px}
.done-msg h3{font-size:22px;color:var(--teal-ink)}
.done-msg p{color:var(--muted);font-size:14px;margin-top:6px}

/* 잠금 안내 (미션 미완료 시) */
.lock{text-align:center;color:var(--muted);font-size:13px;background:var(--mint-2);border-radius:12px;padding:14px;margin-top:6px}

/* 유의사항 */
.notice{background:var(--mint-2);color:var(--muted);font-size:12px;line-height:1.9;padding:22px;border-radius:14px}
.notice .h{font-weight:800;color:var(--teal-dark);margin-bottom:8px;font-size:13px}
.foot{text-align:center;color:#6f8c87;font-size:11.5px;padding:20px}

/* 토스트 */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--teal-ink);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;z-index:200;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}