/* ============================================================
   십분홈피 랜딩 — 브랜드: 티일(속도·신뢰) × 옐로(에너지)
   ============================================================ */
:root{
  --bg:#fbfdfc;--tint:#eef7f4;--paper:#fff;
  --ink:#132420;--soft:#5b6f69;--line:#dfeae6;
  --brand:#0fa08a;--brand-deep:#0a6e60;--accent:#ffd857;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Pretendard,-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--ink);
  line-height:1.65;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.wrap.narrow{max-width:760px}
h1,h2,h3{line-height:1.28;font-weight:900;letter-spacing:-.025em}

/* 상단바 */
.topbar{position:sticky;top:0;z-index:50;background:rgba(251,253,252,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:1.25rem}
.brand svg{width:26px;height:26px;color:var(--brand)}
.topnav{display:flex;gap:2px;margin-left:auto}
.topnav a{padding:8px 13px;border-radius:10px;font-size:.94rem;font-weight:700;color:var(--soft)}
.topnav a:hover{background:var(--tint);color:var(--ink)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:13px;
  font-weight:800;font-size:1rem;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:1.08rem}
.btn-sm{padding:9px 16px;font-size:.9rem}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(15,160,138,.32)}
.btn-line{border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.btn-gold{background:var(--accent);color:#241a05;box-shadow:0 8px 22px rgba(255,216,87,.4)}
.btn-gold:disabled{opacity:.6;transform:none;cursor:default}

/* 히어로 */
.hero{padding:96px 0 84px;text-align:center;position:relative;overflow:hidden;
  background:
    radial-gradient(560px 300px at 12% -10%,rgba(15,160,138,.14),transparent 70%),
    radial-gradient(520px 300px at 92% 0%,rgba(255,216,87,.22),transparent 70%),
    var(--bg)}
.kicker{display:inline-block;background:#fff;border:1.5px solid var(--line);padding:8px 17px;border-radius:30px;
  font-size:.92rem;font-weight:800;margin-bottom:26px;box-shadow:0 4px 14px rgba(19,36,32,.05)}
.hero h1{font-size:clamp(2.6rem,7vw,4.4rem)}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{content:"";position:absolute;left:-2%;right:-2%;bottom:6%;height:.32em;background:var(--accent);
  z-index:-1;border-radius:4px;opacity:.85}
.hero-desc{margin-top:22px;font-size:1.14rem;color:var(--soft)}
.hero-desc b{color:var(--ink)}
.hero-btns{display:flex;gap:12px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.hero-chips{display:flex;gap:10px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.hero-chips span{background:#fff;border:1px solid var(--line);border-radius:20px;padding:7px 14px;
  font-size:.86rem;font-weight:700;color:var(--brand-deep)}

/* 공통 섹션 */
.sec{padding:88px 0}
.sec.tint{background:var(--tint)}
.sec-head{text-align:center;max-width:660px;margin:0 auto 48px}
.eyebrow{display:inline-block;color:var(--brand-deep);background:rgba(15,160,138,.1);font-size:.8rem;font-weight:900;
  letter-spacing:.1em;padding:6px 14px;border-radius:20px;margin-bottom:14px}
.eyebrow.light{background:rgba(255,255,255,.16);color:#fff}
.sec-head h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}
.sec-head p{color:var(--soft);margin-top:12px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* how */
.how-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative}
.how-no{width:44px;height:44px;border-radius:13px;background:var(--brand);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:900;font-size:1.2rem;margin-bottom:18px;box-shadow:0 6px 16px rgba(15,160,138,.3)}
.how-card h3{font-size:1.15rem;margin-bottom:9px}
.how-card p{color:var(--soft);font-size:.95rem}
.how-card b{color:var(--brand-deep)}

/* 포트폴리오 카드 (실사 썸네일 + 액션) */
.pf-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column}
.pf-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(19,36,32,.14)}
.pf-shot{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#e8eeec}
.pf-shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pf-card:hover .pf-shot img{transform:scale(1.07)}
.pf-brandbar{position:absolute;top:10px;left:10px;background:var(--pa,#111);color:#fff;font-size:.74rem;font-weight:900;
  padding:6px 12px;border-radius:8px;letter-spacing:.02em;box-shadow:0 4px 14px rgba(0,0,0,.28)}
.pf-hover{position:absolute;inset:auto 10px 10px auto;background:rgba(10,14,13,.78);color:#fff;font-size:.8rem;
  font-weight:800;padding:7px 13px;border-radius:20px;opacity:0;transform:translateY(6px);transition:all .2s;backdrop-filter:blur(4px)}
.pf-card:hover .pf-hover{opacity:1;transform:translateY(0)}
.pf-body{padding:15px 16px 16px;display:grid;gap:3px;flex:1}
.pf-body b{font-size:1.02rem}
.pf-body>span{color:var(--soft);font-size:.84rem}
.pf-actions{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}
.pf-actions a{background:var(--tint);border:1px solid var(--line);color:var(--brand-deep);font-size:.78rem;
  font-weight:800;padding:6px 10px;border-radius:9px;transition:background .15s}
.pf-actions a:hover{background:#dff0ea}
.pf-actions a.gold{background:var(--accent);border-color:var(--accent);color:#241a05}
.pf-actions a.gold:hover{background:#ffce33}
.pf-note{text-align:center;color:var(--soft);font-size:.92rem;margin-top:28px;line-height:1.9}
.pf-note b{color:var(--brand-deep)}

/* 특징 */
.ft-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.ft-ico{font-size:1.9rem;margin-bottom:14px}
.ft-card h3{font-size:1.12rem;margin-bottom:9px}
.ft-card p{color:var(--soft);font-size:.95rem}

/* 가격 */
.price-grid{align-items:stretch}
.price-card{background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  display:flex;flex-direction:column}
.price-card.hot{border:2.5px solid var(--brand);box-shadow:0 16px 38px rgba(15,160,138,.16);position:relative}
.price-card.hot::before{content:"가장 많이 선택";position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--brand);color:#fff;font-size:.76rem;font-weight:900;padding:4px 14px;border-radius:20px;white-space:nowrap}
.price-tag{font-size:.78rem;font-weight:900;color:var(--soft);letter-spacing:.1em}
.price-card h3{font-size:1.1rem;margin:6px 0 12px}
.price-num{font-size:2.1rem;font-weight:900;color:var(--brand-deep);letter-spacing:-.03em;margin-bottom:16px}
.price-num small{font-size:.95rem;font-weight:700;color:var(--soft);margin-left:3px}
.price-card ul{display:grid;gap:8px}
.price-card li{font-size:.93rem;color:var(--soft);padding-left:22px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:900}
.price-card li b{color:var(--brand-deep)}

/* FAQ */
.faq{background:var(--paper);border:1.5px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq summary{padding:18px 20px;font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:1.3rem;font-weight:700;color:var(--brand)}
.faq[open] summary::after{content:"–"}
.faq p{padding:0 20px 18px;color:var(--soft);font-size:.95rem}

/* 신청 폼 */
.apply{background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;padding:88px 0}
.apply .sec-head h2{color:#fff}
.apply .sec-head p{color:rgba(255,255,255,.85)}
.lead-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:20px;
  padding:30px 28px;display:grid;gap:16px;backdrop-filter:blur(4px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lead-form label{display:grid;gap:7px;font-size:.9rem;font-weight:800}
.lead-form input,.lead-form select,.lead-form textarea{
  width:100%;padding:13px 15px;border-radius:12px;border:1.5px solid rgba(255,255,255,.28);
  background:#fff;color:var(--ink);font-size:1rem;font-family:inherit}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:3px solid var(--accent)}
.lead-form textarea{resize:vertical}
.lead-form .btn{margin-top:6px}
.form-note{text-align:center;font-size:.82rem;color:rgba(255,255,255,.75)}
.form-msg{text-align:center;font-weight:800;background:rgba(255,255,255,.14);border-radius:12px;padding:13px}
.form-msg.err{background:rgba(180,30,30,.35)}

/* 푸터 */
.site-foot{background:#0d1b18;color:#9fb4ae;padding:44px 0;font-size:.9rem}
.foot-brand{font-weight:900;font-size:1.15rem;color:#fff;margin-bottom:10px}
.site-foot p{opacity:.8;margin-top:3px}

/* 반응형 */
@media(max-width:900px){
  .g3{grid-template-columns:1fr}
  .g4,.pf-grid{grid-template-columns:repeat(2,1fr)}
  .topnav{display:none}
}
@media(max-width:600px){
  .sec{padding:64px 0}
  .hero{padding:72px 0 64px}
  .g4,.pf-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .topbar-in .btn{margin-left:auto}
}