/* =========================================================
   프라임포스 (PrimePOS) — 스타일시트 v2
   방향: 미니멀 에디토리얼 · 뉴트럴 + 에메랄드 단색 포인트 · 헤어라인
   단가·문구는 index.html 과 script.js 의 PRICE 를 함께 수정
   ========================================================= */
:root{
  --ink:#1b1d24;
  --ink-soft:#3b404c;
  --muted:#6b7280;
  --line:#e8e7e2;
  --line-strong:#d9d8d1;
  --paper:#ffffff;
  --sand:#f6f6f2;
  --sand-deep:#eeede6;
  --brand:#0e7a58;
  --brand-ink:#0a5c42;
  --brand-soft:#e7f1ec;
  --dark:#14171a;
  --dark-2:#1c2024;
  --ok:#0e7a58;
  --warn:#b4530f;
  --maxw:1120px;
  --r-lg:14px;
  --r-md:10px;
  --r-sm:8px;
  --font:'Pretendard Variable','Pretendard',system-ui,-apple-system,'Segoe UI',sans-serif;
  --shadow:0 1px 2px rgba(20,23,26,.04), 0 18px 40px -28px rgba(20,23,26,.22);
  --shadow-hover:0 1px 2px rgba(20,23,26,.05), 0 24px 48px -24px rgba(20,23,26,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.68;font-size:16px;word-break:keep-all;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:800px}
h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.021em}
h1,h2{font-weight:750}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand);color:#fff}

/* ---------- 버튼 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--r-sm);font-weight:650;font-size:.94rem;border:1px solid transparent;transition:background .15s,color .15s,border-color .15s}
.btn-accent{background:var(--brand);color:#fff}
.btn-accent:hover{background:var(--brand-ink)}
.btn-navy{background:var(--ink);color:#fff}
.btn-navy:hover{background:#000}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--sand)}
.btn-lg{padding:15px 26px;font-size:1rem;border-radius:var(--r-md)}
.btn-block{width:100%}

/* ---------- 상단 프로모 띠 ---------- */
.promobar{background:var(--dark);color:rgba(255,255,255,.78);text-align:center;font-size:.8rem;line-height:1.5;padding:9px 16px;letter-spacing:.005em}
.promobar b{color:#fff;font-weight:650}

/* ---------- 상단 바 ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.is-scrolled{border-bottom-color:var(--line)}
.top-in{display:flex;align-items:center;gap:28px;height:66px}
.logo{display:flex;align-items:center;gap:9px}
.logo-mark{width:30px;height:30px;color:var(--brand);display:flex}
.logo-mark svg{width:100%;height:100%}
.logo-mark svg rect{fill:currentColor}
.logo-mark svg path{stroke:#fff}
.logo-text{font-weight:750;font-size:1.12rem;letter-spacing:-.02em}
.nav{display:flex;gap:22px;margin-left:auto;font-weight:550;font-size:.92rem;color:var(--muted)}
.nav a{transition:color .15s}
.nav a:hover{color:var(--ink)}
.top-cta{display:flex;align-items:center;gap:14px}
.top-cta .tel{font-weight:700;color:var(--ink);letter-spacing:.01em;font-variant-numeric:tabular-nums}
.ham{display:none;margin-left:auto;background:none;border:0;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.ham span{display:block;width:22px;height:2px;background:var(--ink);transition:.2s}
.ham.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ham.is-open span:nth-child(2){opacity:0}
.ham.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mnav{display:none;flex-direction:column;border-top:1px solid var(--line);background:var(--paper);padding:8px 24px 16px}
.mnav.is-open{display:flex}
.mnav a{padding:13px 4px;border-bottom:1px solid var(--line);font-weight:550}
.mnav-cta{color:var(--brand);font-weight:700}

/* ---------- 히어로 ---------- */
.hero{padding:76px 0 60px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.eyebrow{font-size:.76rem;font-weight:700;letter-spacing:.09em;color:var(--brand);text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.3rem);line-height:1.16;font-weight:780;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--brand)}
.lead{margin-top:20px;font-size:1.06rem;color:var(--ink-soft);max-width:540px}
.hero-points{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.hero-points li{padding-left:26px;position:relative;font-size:.95rem;color:var(--ink-soft)}
.hero-points li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;background:var(--brand);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M4 10.5l3.6 3.6L16 5.8' stroke='%23000' stroke-width='2.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M4 10.5l3.6 3.6L16 5.8' stroke='%23000' stroke-width='2.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.hero-points b{color:var(--ink);font-weight:650}
.hero-actions{margin-top:34px;display:flex;gap:10px;flex-wrap:wrap}

/* 진단 카드 */
.finder{background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
.finder-tag{display:inline-block;background:var(--brand-soft);color:var(--brand-ink);font-size:.7rem;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.finder-head h2{font-size:1.32rem;margin-top:11px;font-weight:700}
.finder-head p{color:var(--muted);font-size:.88rem;margin-top:6px}
.finder-step{margin-top:18px}
.finder-label{font-size:.8rem;font-weight:700;color:var(--ink);margin-bottom:9px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{background:var(--sand);border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:.86rem;font-weight:550;color:var(--ink-soft);transition:.14s}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.finder-result{margin-top:22px;background:var(--sand);border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.fr-title{font-size:.74rem;font-weight:700;letter-spacing:.06em;color:var(--brand);text-transform:uppercase}
.fr-list{margin-top:10px;display:flex;flex-direction:column;gap:4px}
.fr-list li{display:flex;justify-content:space-between;gap:12px;font-size:.92rem;padding:7px 0;border-bottom:1px solid var(--line)}
.fr-list li span{color:var(--muted);font-size:.8rem;white-space:nowrap}
.fr-cost{display:flex;justify-content:space-between;align-items:baseline;margin-top:13px}
.fr-cost span{font-size:.83rem;color:var(--muted)}
.fr-cost strong{font-size:1.4rem;color:var(--ink);font-weight:750;font-variant-numeric:tabular-nums}
.fr-note{font-size:.79rem;color:var(--muted);margin-top:7px;line-height:1.55}
.finder-result .btn{margin-top:15px}

/* ---------- 신뢰 스트립 ---------- */
.strip{background:var(--sand);border-bottom:1px solid var(--line)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:26px 18px;text-align:center;border-left:1px solid var(--line)}
.strip-item:first-child{border-left:0}
.strip-item strong{display:block;font-size:1.5rem;color:var(--brand);line-height:1.15;font-weight:750;letter-spacing:-.02em}
.strip-item span{font-size:.83rem;color:var(--muted);margin-top:2px;display:block}

/* ---------- 섹션 공통 ---------- */
.sec{padding:92px 0}
.sec-panel{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:var(--dark);color:#fff}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.15rem);font-weight:750}
.sec-head p{margin-top:13px;color:var(--muted);font-size:1rem}
.sec-head.light p{color:rgba(255,255,255,.62)}
.num{display:block;font-size:.78rem;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:12px}
.num::before{content:"— "}
.num.light{color:#6ee7b7}

/* ---------- 카탈로그 ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:38px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{background:none;border:0;padding:12px 16px;font-weight:650;font-size:.96rem;color:var(--muted);position:relative;white-space:nowrap;transition:color .14s}
.tab::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--brand);transform:scaleX(0);transition:.18s}
.tab.is-on{color:var(--ink)}
.tab.is-on::after{transform:scaleX(1)}
.tab:hover{color:var(--ink)}
.panel{display:none;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.panel.is-on{display:grid;animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.panel-media{background:var(--sand);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;display:grid;place-items:center;min-height:340px}
.panel-media img{max-height:300px;object-fit:contain;mix-blend-mode:multiply}
.panel-media.two{grid-template-columns:1fr 1fr;gap:16px}
.panel-media.two img{max-height:190px}
.panel-media.tall img{max-height:400px}
.panel-body h3{font-size:1.45rem;font-weight:750}
.panel-body h3 small{font-size:.76rem;font-weight:600;color:var(--muted);letter-spacing:.05em;margin-left:8px;text-transform:uppercase}
.panel-desc{margin-top:13px;color:var(--ink-soft);font-size:1rem}
.spec{margin:24px 0 0;display:flex;flex-direction:column;border-top:1px solid var(--line)}
.spec > div{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:.93rem}
.spec dt{font-weight:650;color:var(--ink)}
.spec dd{margin:0;color:var(--ink-soft)}
.spec dd b{color:var(--brand-ink);font-weight:650}
.panel-pick{margin-top:20px;background:var(--brand-soft);border-radius:var(--r-md);padding:14px 16px}
.pick-label{font-size:.72rem;font-weight:700;letter-spacing:.07em;color:var(--brand-ink);text-transform:uppercase}
.panel-pick ul{margin-top:7px;display:flex;flex-direction:column;gap:4px;font-size:.9rem;color:var(--ink-soft)}
.panel-pick li::before{content:"– ";color:var(--brand)}
.panel-body .btn{margin-top:24px}

/* ---------- 계산기 ---------- */
.calc{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.calc-items{display:flex;flex-direction:column;gap:8px}
.ci{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--dark-2);border:1px solid rgba(255,255,255,.09);border-radius:var(--r-md);padding:13px 16px}
.ci-name b{display:block;font-size:.96rem;font-weight:600}
.ci-name span{font-size:.78rem;color:rgba(255,255,255,.5)}
.ci-qty{display:flex;align-items:center;gap:6px}
.q-btn{width:32px;height:32px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;font-size:1.05rem;font-weight:600}
.q-btn:hover{background:rgba(255,255,255,.1)}
.ci-qty input{width:48px;height:32px;text-align:center;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;font-weight:650;-moz-appearance:textfield}
.ci-qty input::-webkit-outer-spin-button,.ci-qty input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.calc-result{background:var(--paper);color:var(--ink);border-radius:var(--r-lg);padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:14px;position:sticky;top:88px}
.cr-col{background:var(--sand);border:1px solid var(--line);border-radius:var(--r-md);padding:15px}
.cr-head{font-weight:750;font-size:1.02rem;color:var(--ink);margin-bottom:9px}
.cr-row{display:flex;justify-content:space-between;align-items:baseline;padding:6px 0;font-size:.88rem;border-bottom:1px solid var(--line)}
.cr-row span{color:var(--muted)}
.cr-row strong{font-variant-numeric:tabular-nums;font-weight:600}
.cr-row.total{border-bottom:0;padding-top:9px}
.cr-row.total strong{font-size:1.08rem;color:var(--brand-ink)}
.cr-verdict{grid-column:1/-1;background:var(--brand-soft);color:var(--brand-ink);border-radius:var(--r-md);padding:14px 16px;font-weight:550;font-size:.92rem;line-height:1.6}
.cr-verdict b{font-weight:750}
.cr-note{grid-column:1/-1;font-size:.76rem;color:var(--muted);line-height:1.55}
.calc-result .btn{grid-column:1/-1}

/* ---------- 절차 타임라인 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.timeline li{background:var(--paper);padding:26px 24px;position:relative;border-left:1px solid var(--line)}
.timeline li:first-child{border-left:0}
.tl-step{font-size:.7rem;font-weight:700;letter-spacing:.1em;color:var(--brand)}
.timeline h3{font-size:1.08rem;margin-top:11px;font-weight:700}
.timeline p{margin-top:10px;font-size:.9rem;color:var(--muted)}
.tl-time{display:inline-block;margin-top:15px;background:var(--sand);color:var(--ink-soft);font-size:.76rem;font-weight:650;padding:4px 10px;border-radius:999px}

/* ---------- 업종별 세트 ---------- */
.sets{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.set{background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;transition:border-color .18s,box-shadow .18s}
.set:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.set-icon{font-size:1.5rem;width:46px;height:46px;border-radius:var(--r-md);background:var(--sand);display:grid;place-items:center;border:1px solid var(--line)}
.set h3{font-size:1.12rem;margin-top:15px;font-weight:700}
.set ul{margin-top:11px;display:flex;flex-direction:column;gap:5px;font-size:.9rem;color:var(--muted);flex:1}
.set li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:1px;background:var(--brand);margin-right:8px;vertical-align:middle}
.set-cost{margin-top:17px;font-size:.87rem;color:var(--muted)}
.set-cost b{font-size:1.14rem;color:var(--ink);margin-left:4px;font-weight:750;font-variant-numeric:tabular-nums}
.set > a{margin-top:13px;font-weight:650;color:var(--brand-ink);font-size:.9rem}
.set > a::after{content:" →"}

/* ---------- 교체·이전·철거 ---------- */
.swap-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
.swap-copy h2{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:750}
.swap-copy .lead{font-size:.98rem;color:var(--ink-soft)}
.swap-copy .btn{margin-top:26px}
.swap-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.swap-card{border:1px solid var(--line-strong);border-radius:var(--r-md);padding:20px;background:var(--paper);transition:border-color .18s}
.swap-card:hover{border-color:var(--ink)}
.swap-card h3{font-size:1rem;color:var(--ink);font-weight:700}
.swap-card h3::before{content:"";display:inline-block;width:7px;height:7px;border-radius:1px;background:var(--brand);margin-right:8px;vertical-align:middle}
.swap-card p{margin-top:8px;font-size:.88rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 34px 20px 0;font-weight:650;font-size:1rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:2px;top:24px;width:12px;height:12px;
  background:var(--brand);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 3v14M3 10h14' stroke='%23000' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M10 3v14M3 10h14' stroke='%23000' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform .2s}
.faq details[open] summary::after{transform:rotate(135deg)}
.faq details p{padding:0 0 22px;color:var(--muted);font-size:.94rem;max-width:74ch}
.faq details p a{color:var(--brand-ink);font-weight:650;text-decoration:underline;text-underline-offset:2px}

/* ---------- 견적 신청 ---------- */
.sec-quote{background:var(--dark);color:#fff}
.quote-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:52px;align-items:start}
.quote-copy h2{font-size:clamp(1.7rem,3vw,2.15rem);font-weight:750}
.quote-copy > p{margin-top:13px;color:rgba(255,255,255,.65)}
.quote-direct{margin-top:32px;background:var(--dark-2);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:20px;display:flex;flex-direction:column;gap:10px}
.quote-direct > p{font-size:.8rem;color:rgba(255,255,255,.55)}
.qd-tel{font-size:1.45rem;font-weight:750;color:#fff;font-variant-numeric:tabular-nums}
.qd-sms{display:inline-flex;align-self:flex-start;background:var(--brand);color:#fff;padding:9px 15px;border-radius:var(--r-sm);font-weight:650;font-size:.88rem}
.quote-direct small{font-size:.76rem;color:rgba(255,255,255,.45)}
.qform{background:var(--paper);color:var(--ink);border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;gap:15px}
.f-row{display:grid;gap:13px;margin:0;padding:0;border:0;min-width:0}
.f-row.two{grid-template-columns:1fr 1fr}
.f-row label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:650;color:var(--ink)}
.f-row legend{font-size:.85rem;font-weight:650;color:var(--ink);padding:0;margin-bottom:9px}
.f-row legend small{font-weight:500;color:var(--muted)}
.req{color:var(--brand)}
.qform input[type=text],.qform input[type=tel],.qform select,.qform textarea{width:100%;padding:11px 13px;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--paper);font-weight:500;color:var(--ink)}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.qform textarea{resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:7px}
.checks label{flex-direction:row;align-items:center;gap:7px;background:var(--sand);padding:8px 13px;border-radius:999px;font-weight:550;color:var(--ink-soft);cursor:pointer;border:1px solid var(--line)}
.checks label:has(input:checked){background:var(--brand);color:#fff;border-color:var(--brand)}
.checks input{accent-color:#fff;margin:0}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:.8rem;color:var(--muted);cursor:pointer}
.agree input{margin-top:3px;accent-color:var(--brand)}
.ok{background:var(--brand-soft);color:var(--brand-ink);border-radius:var(--r-sm);padding:12px 14px;font-weight:650;font-size:.9rem}

/* ---------- 푸터 ---------- */
.foot{background:var(--paper);color:var(--muted);padding:52px 0 96px;font-size:.86rem;border-top:1px solid var(--line)}
.foot-in{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap}
.foot-brand{font-weight:750;font-size:1.12rem;color:var(--ink)}
.foot-brand small{font-size:.62rem;letter-spacing:.14em;margin-left:7px;color:var(--muted);font-weight:600}
.foot-in p{margin-top:7px}
.foot-nav{display:flex;flex-wrap:wrap;gap:16px;align-content:flex-start}
.foot-nav a:hover{color:var(--ink)}
.foot-copy{text-align:center;margin-top:32px;font-size:.76rem;color:var(--muted);padding:0 24px}

/* ---------- 모바일 고정 바 ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--paper);border-top:1px solid var(--line-strong);padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px}
.mbar a{flex:1;text-align:center;padding:12px 0;border-radius:var(--r-sm);font-weight:650;background:var(--sand);color:var(--ink);font-size:.92rem}
.mbar .mbar-main{flex:1.7;background:var(--brand);color:#fff}

/* ---------- 모션 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 반응형 ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .panel{grid-template-columns:1fr;gap:28px}
  .panel-media{min-height:auto}
  .calc{grid-template-columns:1fr}
  .calc-result{position:static}
  .timeline{grid-template-columns:1fr 1fr}
  .timeline li{border-left:0;border-top:1px solid var(--line)}
  .timeline li:first-child,.timeline li:nth-child(2){border-top:0}
  .timeline li:nth-child(odd){border-left:0}
  .timeline li:nth-child(even){border-left:1px solid var(--line)}
  .sets{grid-template-columns:1fr 1fr}
  .swap-grid{grid-template-columns:1fr;gap:30px}
  .quote-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:760px){
  .promobar{font-size:.72rem;padding:8px 14px}
  .nav,.top-cta{display:none}
  .ham{display:flex}
  .top-in{height:58px;gap:12px}
  .hero{padding:44px 0 46px}
  .lead{font-size:1rem}
  .strip-in{grid-template-columns:1fr 1fr}
  .strip-item{border-left:0;border-top:1px solid var(--line);padding:18px 10px}
  .strip-item:nth-child(-n+2){border-top:0}
  .strip-item:nth-child(odd){border-left:0}
  .strip-item:nth-child(even){border-left:1px solid var(--line)}
  .sec{padding:62px 0}
  .sec-head{margin-bottom:30px}
  .spec > div{grid-template-columns:76px 1fr;gap:10px;font-size:.89rem}
  .timeline{grid-template-columns:1fr}
  .timeline li,.timeline li:nth-child(even){border-left:0;border-top:1px solid var(--line)}
  .timeline li:first-child{border-top:0}
  .sets{grid-template-columns:1fr}
  .swap-cards{grid-template-columns:1fr}
  .f-row.two{grid-template-columns:1fr}
  .qform{padding:20px}
  .calc-result{grid-template-columns:1fr}
  .mbar{display:flex}
  .finder{padding:20px}
}

/* =========================================================
   블로그 (blog/) — 목록 · 글 페이지
   ========================================================= */
.art-hero{padding:60px 0 40px;border-bottom:1px solid var(--line)}
.crumb{font-size:.8rem;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--ink)}
.crumb span{color:var(--ink-soft)}
.art-hero h1{font-size:clamp(1.8rem,3.8vw,2.5rem);font-weight:780;max-width:840px;line-height:1.22;letter-spacing:-.028em}
.art-meta{margin-top:16px;display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.art-meta b{color:var(--ink);font-weight:650}
.art{max-width:760px;margin:0 auto;padding:16px 24px 76px}
.art .prose>p{margin:0 0 18px;font-size:1.03rem;line-height:1.85;color:var(--ink-soft)}
.art .prose>p:first-child{font-size:1.12rem;color:var(--ink)}
.art .prose h2{font-size:1.4rem;font-weight:750;margin:52px 0 16px;letter-spacing:-.022em}
.art .prose h2:first-of-type{margin-top:28px}
.art .prose h3{font-size:1.1rem;margin:26px 0 10px;color:var(--ink);font-weight:700}
.art .prose ul{margin:0 0 18px;display:flex;flex-direction:column;gap:8px}
.art .prose li{padding-left:20px;position:relative;line-height:1.7;color:var(--ink-soft)}
.art .prose li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:1px;background:var(--brand)}
.art .prose strong{color:var(--ink);font-weight:650}
.art .prose a{color:var(--brand-ink);font-weight:650;text-decoration:underline;text-underline-offset:2px}
.art .prose img{border-radius:var(--r-md);margin:22px 0;border:1px solid var(--line)}
.callout{background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:var(--r-sm);padding:16px 18px;margin:24px 0;font-weight:550;line-height:1.7;color:var(--brand-ink)}
.prose-faq{margin:28px 0 0}
.post-cta{background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:32px;margin:48px 0 0;text-align:center}
.post-cta h2{color:#fff;margin:0 0 8px;font-size:1.28rem;font-weight:750}
.post-cta p{color:rgba(255,255,255,.65);margin:0 0 18px;font-size:.95rem}
.post-cta .tel-big{font-size:1.32rem;font-weight:750;color:#fff;display:block;margin-bottom:14px;font-variant-numeric:tabular-nums}
.post-back{margin-top:32px;font-weight:650;color:var(--ink)}
.post-back::before{content:"← "}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.blog-card{background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:9px;transition:border-color .18s,box-shadow .18s}
.blog-card:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.blog-card .tag{font-size:.72rem;font-weight:700;letter-spacing:.05em;color:var(--brand);text-transform:uppercase}
.blog-card h3{font-size:1.06rem;line-height:1.4;font-weight:700}
.blog-card p{font-size:.88rem;color:var(--muted);flex:1;line-height:1.6}
.blog-card .date{font-size:.76rem;color:var(--muted);font-weight:550;font-variant-numeric:tabular-nums}
.blog-card .go{font-size:.86rem;font-weight:650;color:var(--brand-ink);margin-top:4px}
.blog-card .go::after{content:" →"}
.blog-empty{grid-column:1/-1;background:var(--sand);border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:28px;color:var(--muted);font-size:.9rem;text-align:center;line-height:1.7}
@media (max-width:1000px){.blog-grid{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .art-hero{padding:38px 0 28px}
  .art{padding-bottom:58px}
  .art .prose>p{font-size:1rem}
  .art .prose h2{font-size:1.24rem;margin-top:42px}
  .blog-grid{grid-template-columns:1fr}
  .post-cta{padding:24px}
}