/* 빌딩청년 블로그 — 매거진형 v1
   계산기 사이트(미색 설계도)와 형제 브랜드: 같은 네이비·금색, 블로그는 흰 종이 위 읽기 중심 */
:root{
  --bg:#FFFFFF; --bg-2:#F7F5F0; --ink:#0F1B2D; --ink-2:#2A3647; --muted:#5D6777; --dim:#8A93A1;
  --line:#E8E4DA; --line-2:#D9D3C6; --navy:#0F1B2D; --navy-2:#182840;
  --gold:#B48A3C; --gold-ink:#8C6826; --gold-hi:#E8CB8C; --gold-soft:#FBF6EA;
  --kakao:#FEE500; --r:16px; --wrap:1160px; --narrow:760px;
  --font:"Pretendard Variable",Pretendard,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.8 var(--font);letter-spacing:-0.012em;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:var(--narrow);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:99;background:#fff;padding:8px 12px}
.eyebrow{margin:0 0 8px;font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--gold-ink);text-transform:uppercase}
.eyebrow.light{color:var(--gold-hi)}
.tag{display:inline-block;font-size:13px;font-weight:800;color:var(--gold-ink);background:var(--gold-soft);border:1px solid #EFE2C2;border-radius:999px;padding:3px 12px}

/* header */
.hd{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.03em;flex:none}
.logo svg{width:30px;height:30px;color:var(--navy)}
.logo small{display:block;font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:-.01em;line-height:1.2}
.logo span{line-height:1.15}
.nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1}
.nav::-webkit-scrollbar{display:none}
.nav a{white-space:nowrap;font-size:15px;font-weight:700;color:var(--ink-2);padding:8px 12px;border-radius:10px}
.nav a:hover,.nav a[aria-current]{background:var(--bg-2);color:var(--ink)}
.hd-in{gap:16px}
.nav{gap:0}
.nav a{font-size:14.5px;padding:8px 9px}
.hd-in .btn-sns{margin-left:-8px}
@media (max-width:1180px){
  .logo small{display:none}
  .hd-in .btn-tel span{display:none}
  .hd-in .btn-tel{padding:9px}
}
.nav a.nav-calc{display:inline-flex;align-items:center;gap:5px;color:var(--gold-ink)}
.nav a.nav-calc svg{width:17px;height:17px}
.btn-kakao{display:inline-flex;align-items:center;gap:6px;background:var(--kakao);color:#191600;font-weight:800;font-size:14px;border-radius:999px;padding:9px 16px;flex:none}
.btn-kakao svg{width:18px;height:18px}
.btn-kakao.lg{font-size:16px;padding:14px 26px}
.btn-sns{display:inline-flex;align-items:center;justify-content:center;color:#fff;border-radius:999px;padding:9px;flex:none;transition:transform .35s var(--ease-out),box-shadow .35s}
.btn-sns svg{width:18px;height:18px}
.btn-tel{display:inline-flex;align-items:center;gap:6px;background:var(--navy);color:#fff;font-weight:800;font-size:14px;border-radius:999px;padding:9px 16px;flex:none;letter-spacing:-.01em;transition:transform .35s var(--ease-out),box-shadow .35s}
.btn-tel svg{width:17px;height:17px}
.btn-tel:hover{transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(15,27,45,.5)}
.btn-tel.lg{font-size:16px;padding:14px 26px;background:#fff;color:var(--navy)}
.hd-in .btn-kakao{margin-left:-8px}
.hd-in .btn-tel{padding:9px}
.hd-in .btn-tel svg{width:18px;height:18px}
.btn-sns.insta{background:linear-gradient(45deg,#F9A13A 0%,#E1306C 45%,#833AB4 100%)}
.btn-sns.yt{background:#FF0000}
.btn-sns:hover{transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(15,27,45,.45)}
.btn-ghost{display:inline-flex;align-items:center;border:1.5px solid rgba(255,255,255,.4);color:#fff;font-weight:800;border-radius:999px;padding:12px 22px}
.btn-ghost.lg{font-size:16px;padding:13px 26px}
.btn-gold{display:inline-flex;background:var(--gold);color:#fff;font-weight:800;border-radius:999px;padding:14px 26px;font-size:16px}
.btn-line{display:inline-flex;border:1.5px solid rgba(232,203,140,.55);color:var(--gold-hi);font-weight:800;border-radius:999px;padding:13px 24px;font-size:16px}

/* hero */
.hero{background:radial-gradient(900px 500px at 85% -20%,#24395A 0%,var(--navy) 60%);color:#fff;overflow:hidden;position:relative}
.hero:after{content:'';position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(232,203,140,.5),transparent)}
.hero-in{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center;padding:84px 24px 88px}
.hero h1{font-size:52px;line-height:1.22;font-weight:900;letter-spacing:-.045em;margin:6px 0 18px}
.hero h1 em{font-style:normal;color:var(--gold-hi)}
.hero .lead{font-size:19px;color:rgba(255,255,255,.78);margin:0 0 30px;max-width:560px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:30px;backdrop-filter:blur(6px)}
.hero-card img{width:64px;height:64px;border-radius:50%;object-fit:cover;border:2px solid var(--gold-hi);margin-bottom:14px}
.hero-card b{display:block;font-size:20px}
.hero-card span{color:rgba(255,255,255,.7);font-size:15px}
.hero-card ul{margin:18px 0 0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.12);list-style:none}
.hero-card li{padding:5px 0 5px 26px;position:relative;font-size:15.5px;color:rgba(255,255,255,.88)}
.hero-card li:before{content:'';position:absolute;left:2px;top:13px;width:10px;height:10px;background:var(--gold);transform:rotate(45deg)}

/* blocks */
.block{padding:64px 24px 8px}
.block-hd{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px}
.block-hd h2,.calc-strip h2{font-size:30px;font-weight:900;letter-spacing:-.04em;margin:0}
.feat{margin-top:-44px;position:relative;z-index:2}
.feat-card{display:block;background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px 40px;box-shadow:0 30px 60px -30px rgba(15,27,45,.35)}
.feat-card h2{font-size:32px;line-height:1.3;letter-spacing:-.04em;margin:14px 0 10px;font-weight:900}
.feat-card p{color:var(--muted);margin:0 0 14px;font-size:17.5px}
.feat-card:hover h2{color:var(--gold-ink)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card a{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card a:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(15,27,45,.35);border-color:var(--line-2)}
.card .tag{align-self:flex-start}
.card h3{font-size:20px;line-height:1.4;letter-spacing:-.03em;margin:14px 0 8px;font-weight:800}
.card p{font-size:15.5px;color:var(--muted);margin:0 0 16px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{font-size:13.5px;color:var(--dim);font-weight:600}
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cat-tile{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;display:flex;flex-direction:column;gap:6px;min-height:150px}
.cat-tile b{font-size:18px;font-weight:900}
.cat-tile span{font-size:14px;color:var(--muted);line-height:1.5;flex:1}
.cat-tile em{font-style:normal;font-size:13.5px;font-weight:800;color:var(--gold-ink)}
.cat-tile:hover{border-color:var(--gold-line,#E3CF9F);background:var(--gold-soft)}
.calc-strip{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center;margin:56px auto 24px;max-width:calc(var(--wrap) - 48px);background:var(--bg-2);border:1px solid var(--line);border-radius:24px;padding:40px}
.calc-strip p{color:var(--muted);margin:8px 0 0}
.calc-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.calc-links a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-weight:800;font-size:16px}
.calc-links a:after{content:' →';color:var(--gold)}
.calc-links a:hover{border-color:var(--gold)}

/* category */
.cat-hero{background:var(--bg-2);border-bottom:1px solid var(--line);padding:44px 0 36px}
.cat-hero h1{font-size:40px;font-weight:900;letter-spacing:-.045em;margin:8px 0 6px}
.cat-hero p{color:var(--muted);margin:0}
.list{padding:40px 24px 24px}
.empty{color:var(--muted)}
.crumb{display:flex;gap:8px;font-size:14px;color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--ink)}

/* post */
.progress{position:fixed;left:0;top:0;right:0;height:3px;z-index:40}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-hi))}
.post{padding-top:36px;padding-bottom:20px}
.post-hd{margin:18px 0 26px}
.post-hd h1{font-size:40px;line-height:1.3;letter-spacing:-.045em;font-weight:900;margin:14px 0 14px}
.dek{font-size:19px;color:var(--ink-2);margin:0 0 22px;line-height:1.65}
.byline{display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.byline b{display:block;font-size:15px}
.byline span{font-size:13.5px;color:var(--muted)}
.keybox{background:var(--navy);color:#fff;border-radius:var(--r);padding:24px 28px;margin:8px 0 22px}
.keybox .eyebrow{color:var(--gold-hi)}
.keybox ul{margin:0;padding:0;list-style:none}
.keybox li{position:relative;padding:6px 0 6px 28px;font-weight:600;font-size:17px;line-height:1.6}
.keybox li:before{content:'✓';position:absolute;left:0;top:6px;color:var(--gold-hi);font-weight:900}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin-bottom:12px;background:var(--bg-2)}
.toc ol{margin:0;padding-left:22px;columns:2;column-gap:28px}
.toc li{font-size:15.5px;font-weight:700;padding:3px 0;break-inside:avoid}
.toc a{color:var(--ink-2)}
.toc a:hover,.toc a.on{color:var(--gold-ink)}
.prose{font-size:17.5px;line-height:1.85}
.prose h2{font-size:28px;line-height:1.35;letter-spacing:-.04em;font-weight:900;margin:56px 0 16px;padding-top:24px;border-top:2px solid var(--ink);scroll-margin-top:84px}
.prose h3{font-size:21px;letter-spacing:-.03em;font-weight:800;margin:32px 0 10px}
.prose p{margin:0 0 18px}
.prose strong{font-weight:800;background:linear-gradient(transparent 62%,#F6E7C2 62%)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 20px}
.prose li{margin:6px 0}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:16px}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.prose th{background:var(--bg-2);font-weight:800;font-size:14.5px;color:var(--ink-2);border-bottom:2px solid var(--line-2)}
.prose td.num,.prose th.num{text-align:right;font-variant-numeric:tabular-nums}
.prose tr.hi td{background:var(--gold-soft);font-weight:800}
.prose .note{background:var(--bg-2);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;padding:16px 20px;margin:0 0 22px;font-size:16.5px}
.prose .note b{display:block;margin-bottom:4px}
.prose .calc{background:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:20px 24px;margin:0 0 24px;font-variant-numeric:tabular-nums}
.prose .calc .row{display:flex;justify-content:space-between;gap:16px;padding:7px 0;border-bottom:1px dashed var(--line)}
.prose .calc .row:last-child{border:none;font-weight:900;font-size:19px;color:var(--gold-ink);padding-top:12px}
.faq details{border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:800;font-size:17px;padding:14px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:'+';position:absolute;right:0;top:10px;font-size:24px;color:var(--gold)}
.faq details[open] summary:after{content:'−'}
.faq details p{margin:0 0 16px;color:var(--ink-2)}
.calc-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;border-radius:20px;padding:26px 30px;margin:40px 0 24px}
.calc-cta b{display:block;font-size:20px}
.calc-cta span{color:rgba(255,255,255,.72);font-size:15px}
.calc-cta .eyebrow{color:var(--gold-hi)}
.calc-cta a{flex:none;background:var(--gold);color:#fff;font-weight:800;border-radius:999px;padding:13px 22px}
.h-small{font-size:20px;font-weight:900;letter-spacing:-.03em;margin:0 0 12px}
.sources{border-top:1px solid var(--line);padding-top:24px;margin-top:8px;font-size:15px;color:var(--muted)}
.sources ul{padding-left:20px;margin:0 0 8px}
.asof{font-weight:700;color:var(--ink-2)}
.author-box{display:flex;gap:18px;background:var(--bg-2);border:1px solid var(--line);border-radius:20px;padding:24px;margin:32px 0}
.author-box img{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:none}
.author-box b{font-size:18px}
.author-box p{margin:6px 0 8px;font-size:15.5px;color:var(--ink-2)}
.author-box a{font-weight:800;font-size:15px;color:var(--gold-ink)}
.related{margin-top:48px}
.related .grid{grid-template-columns:1fr}
.related .card a{padding:18px 20px}
.related .card .tag{align-self:flex-start}
.card h3{font-size:18px;margin:8px 0 4px}
.related .card p{display:none}
.ad-slot{display:none}
.ads-on .ad-slot{display:block;min-height:120px;margin:28px 0;background:repeating-linear-gradient(135deg,#fafafa 0 12px,#f3f3f3 12px 24px)}

/* page */
.page{padding:48px 20px 24px}
.page h1{font-size:38px;font-weight:900;letter-spacing:-.045em;margin:0 0 20px}

/* cta + footer */
.cta-band{background:var(--navy);color:#fff;margin-top:64px}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:52px 24px}
.cta-in h2{font-size:30px;font-weight:900;letter-spacing:-.04em;margin:0 0 8px}
.cta-in p{color:rgba(255,255,255,.72);margin:0}
.cta-btns{display:flex;gap:12px;flex:none;flex-wrap:wrap}
.ft{background:#0A1322;color:rgba(255,255,255,.7);font-size:14.5px}
.ft-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:44px 24px 28px}
.ft-brand b{color:#fff;font-size:18px}
.ft-brand p{margin:8px 0 0;max-width:420px}
.ft-col{display:flex;flex-direction:column;gap:8px}
.ft-col a:hover{color:#fff}
.ft-legal{border-top:1px solid rgba(255,255,255,.08);padding:18px 24px 30px;font-size:13px;color:rgba(255,255,255,.5)}

/* mobile */
@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:28px;padding:56px 20px 72px}
  .hero h1{font-size:36px}
  .hero .lead{font-size:17px}
  .grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .calc-strip{grid-template-columns:1fr;padding:28px 22px}
  .calc-links{grid-template-columns:1fr 1fr}
  .feat{margin-top:20px}
  .feat-card{padding:26px 22px}.feat-card h2{font-size:24px}
  .ft-in{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start}
  .cta-in h2{font-size:24px}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .wrap{padding:0 16px}.wrap-narrow{padding:0 16px}
  .hd-in{gap:12px;height:60px}
  .logo small{display:none}
  .nav{display:none}
  .hd-in .btn-sns{margin-left:-6px}
  .hd-in .btn-tel span{display:none}
  .hd-in .btn-tel{padding:9px;margin-left:auto}
  .hd-in .btn-kakao{margin-left:-6px}
  .post-hd h1{font-size:29px}
  .dek{font-size:17px}
  .prose{font-size:17px}
  .prose h2{font-size:23px}
  .prose table{display:block;overflow-x:auto;font-size:15px}
  .prose th,.prose td{padding:10px 10px}
  .toc ol{columns:1}
  .calc-cta{flex-direction:column;align-items:flex-start}
  .block{padding:48px 16px 8px}
  .block-hd h2,.calc-strip h2{font-size:24px}
  .cat-hero h1{font-size:30px}
}

/* ================= motion v1 — 천천히, 은은하게, 한 번씩 ================= */
:root{--ease-out:cubic-bezier(.16,1,.3,1)}
.hero{isolation:isolate}
.hero-in{position:relative;z-index:2}
.hero-fx{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.hero-fx .glow{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.hero-fx .g1{width:520px;height:520px;right:-120px;top:-180px;background:radial-gradient(circle,rgba(232,203,140,.35),transparent 65%);animation:drift1 16s ease-in-out infinite alternate}
.hero-fx .g2{width:640px;height:640px;left:-220px;bottom:-320px;background:radial-gradient(circle,rgba(76,110,170,.45),transparent 65%);animation:drift2 20s ease-in-out infinite alternate}
.skyline{position:absolute;right:0;bottom:0;width:min(1200px,100%);height:100%;opacity:.5}
.skyline .ln{stroke:rgba(232,203,140,.55);stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 3.2s var(--ease-out) .3s forwards}
.skyline .l2{stroke:rgba(232,203,140,.25);animation-delay:1.4s;animation-duration:2.6s}
.skyline .l3{stroke:rgba(232,203,140,.7);animation-delay:.1s;animation-duration:2s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes drift1{to{transform:translate(-90px,60px) scale(1.12)}}
@keyframes drift2{to{transform:translate(120px,-40px) scale(1.08)}}
.js .reveal-1,.js .reveal-2,.js .reveal-3,.js .reveal-4,.js .reveal-5{opacity:0;transform:translateY(22px);animation:rise .9s var(--ease-out) forwards}
.js .reveal-1{animation-delay:.05s}.js .reveal-2{animation-delay:.18s}.js .reveal-3{animation-delay:.34s}.js .reveal-4{animation-delay:.5s}.js .reveal-5{animation-delay:.62s}
@keyframes rise{to{opacity:1;transform:none}}
.hero h1 em{background:linear-gradient(100deg,#E8CB8C 0%,#FFF1CF 45%,#E8CB8C 60%,#C9A45C 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:goldsheen 6s ease-in-out 1.2s infinite}
@keyframes goldsheen{0%,55%{background-position:100% 0}80%,100%{background-position:0 0}}
.hero-card{animation:float 7s ease-in-out 1.5s infinite}
@keyframes float{50%{transform:translateY(-8px)}}
.btn-gold,.btn-line,.btn-kakao,.btn-ghost{transition:transform .35s var(--ease-out),box-shadow .35s,background .35s}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(180,138,60,.8)}
.btn-line:hover{background:rgba(232,203,140,.1);transform:translateY(-2px)}
.btn-kakao:hover{transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(120,100,0,.5)}

/* scroll reveal */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.js .rv.in{opacity:1;transform:none}

/* header shadow on scroll */
.hd{transition:box-shadow .3s,background .3s}
.hd.scrolled{box-shadow:0 10px 30px -18px rgba(15,27,45,.35)}

/* cards: gold line sweeps on hover */
.card a{position:relative;overflow:hidden}
.card a:before{content:'';position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--gold),var(--gold-hi));transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-out)}
.card a:hover:before{transform:scaleX(1)}
.feat-card{position:relative;overflow:hidden;transition:transform .5s var(--ease-out),box-shadow .5s}
.feat-card:after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(232,203,140,.18),transparent);transform:skewX(-18deg);transition:left 1.1s var(--ease-out)}
.feat-card:hover{transform:translateY(-3px);box-shadow:0 40px 70px -32px rgba(15,27,45,.45)}
.feat-card:hover:after{left:120%}
.cat-tile{transition:transform .45s var(--ease-out),background .3s,border-color .3s}
.cat-tile:hover{transform:translateY(-3px)}
.cat-tile em{transition:letter-spacing .4s var(--ease-out)}
.cat-tile:hover em{letter-spacing:.04em}

/* keybox sheen once when revealed */
.keybox{position:relative;overflow:hidden}
.keybox:after{content:'';position:absolute;top:0;left:-50%;width:35%;height:100%;background:linear-gradient(100deg,transparent,rgba(232,203,140,.22),transparent);transform:skewX(-18deg)}
.keybox.in:after{animation:sheen 1.6s var(--ease-out) .4s forwards}
@keyframes sheen{to{left:130%}}

/* calc steps glow on final row */
.prose .calc.in .row:last-child{animation:pulsegold 1.8s ease-out .6s 1}
@keyframes pulsegold{0%{text-shadow:none}40%{text-shadow:0 0 18px rgba(232,203,140,.9)}100%{text-shadow:none}}

/* CTA band: slow moving light */
.cta-band{position:relative;overflow:hidden;isolation:isolate}
.cta-band:before{content:'';position:absolute;inset:-40%;z-index:-1;background:radial-gradient(closest-side,rgba(232,203,140,.16),transparent 70%) 0 0/50% 50% no-repeat;animation:roam 18s ease-in-out infinite alternate}
@keyframes roam{0%{background-position:10% 20%}100%{background-position:90% 80%}}

/* tools strip (부가 도구) */
.tools{margin:48px auto 0;padding-top:28px;border-top:1px solid var(--line)}
.tool-links{display:flex;flex-wrap:wrap;gap:8px}
.tool-links a{font-size:14.5px;font-weight:700;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:7px 14px;transition:border-color .3s,color .3s}
.tool-links a:hover{border-color:var(--gold);color:var(--gold-ink)}

@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
  .js .rv,.js [class^=reveal-]{opacity:1!important;transform:none!important}
  .skyline .ln{stroke-dashoffset:0}
}
@media (max-width:900px){.skyline{opacity:.28;width:160%}}

.js .cat-tile.rv.in:hover{transform:translateY(-3px)}
.js .feat-card.rv.in:hover{transform:translateY(-3px)}


.hero-card{background:rgba(15,27,45,.72);backdrop-filter:blur(10px)}
.skyline{opacity:.42}


/* newsletter subscribe (빌딩 브리프) */
.nl-box{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;background:radial-gradient(700px 300px at 90% -20%,#24395A 0%,var(--navy) 60%);color:#fff;border-radius:24px;padding:40px 44px;margin:56px 0 8px;position:relative;overflow:hidden}
.nl-box:after{content:'';position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(232,203,140,.22),transparent 65%);animation:drift1 14s ease-in-out infinite alternate}
.nl-box .eyebrow{color:var(--gold-hi)}
.nl-box h2{font-size:28px;font-weight:900;letter-spacing:-.04em;margin:0 0 10px;line-height:1.3}
.nl-box p{color:rgba(255,255,255,.78);margin:0;font-size:16px}
.nl-form{position:relative;z-index:1}
.nl-row{display:flex;gap:8px;background:#fff;border-radius:999px;padding:6px}
.nl-row input{flex:1;border:0;outline:0;font:inherit;font-size:16px;padding:10px 16px;border-radius:999px;min-width:0;color:var(--ink)}
.nl-row button{border:0;cursor:pointer;background:var(--gold);color:#fff;font:inherit;font-weight:800;font-size:15px;border-radius:999px;padding:10px 20px;white-space:nowrap;transition:transform .3s var(--ease-out),box-shadow .3s}
.nl-row button:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(180,138,60,.9)}
.nl-agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.72);margin-top:10px;line-height:1.5}
.nl-agree input{margin-top:3px;accent-color:var(--gold)}
.nl-agree a{color:var(--gold-hi);text-decoration:underline}
.nl-msg{font-size:14px;font-weight:700;color:var(--gold-hi);margin-top:10px;min-height:1em}
.nl-box.compact{grid-template-columns:1fr;gap:18px;padding:30px 30px;margin:32px 0}
.nl-box.compact h2{font-size:22px}
@media (max-width:900px){.nl-box{grid-template-columns:1fr;padding:30px 22px}}
@media (max-width:640px){.nl-row{flex-direction:column;border-radius:16px}.nl-row button{padding:12px}}

.btn-tel.lg.solid{background:var(--navy);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}
.btn-row a{text-decoration:none}

/* ===== 세금 흐름 (tax-trend) ===== */
.nav a.nav-trend{color:var(--navy);position:relative}
.nav a.nav-trend:after{content:"";position:absolute;right:3px;top:5px;width:6px;height:6px;border-radius:50%;background:#D2553F;animation:ttPing 2s ease-out infinite}
@keyframes ttPing{0%{box-shadow:0 0 0 0 rgba(210,85,63,.55)}80%,100%{box-shadow:0 0 0 7px rgba(210,85,63,0)}}
/* chart */
.tt-chart{width:100%;height:auto;display:block;font-family:inherit}
.tt-chart .grid line{stroke:rgba(255,255,255,.1);stroke-width:1}
.tt-chart .ax{fill:rgba(255,255,255,.4);font-size:11px}
.tt-chart .plan-zone{fill:rgba(232,203,140,.07);stroke:rgba(232,203,140,.35);stroke-dasharray:5 5}
.tt-chart .plan-lb{fill:var(--gold-hi);font-size:12px;font-weight:800;text-anchor:middle}
.tt-chart .ln{fill:none;stroke-width:4;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:1500;stroke-dashoffset:1500}
.tt-chart .ln.three{stroke:var(--gold-hi);filter:drop-shadow(0 0 6px rgba(232,203,140,.45))}
.tt-chart .ln.two{stroke:#fff;stroke-opacity:.85}
.tt-chart .v{font-size:15px;font-weight:900;text-anchor:middle;opacity:0;transform:translateY(8px);transform-box:fill-box}
.tt-chart .v.g{fill:var(--gold-hi)}.tt-chart .v.w{fill:#fff}
.tt-chart .yr{fill:rgba(255,255,255,.75);font-size:13px;font-weight:800;text-anchor:middle}
.tt-chart .sub{fill:rgba(255,255,255,.45);font-size:11px;text-anchor:middle}
.tt-chart .lg text{fill:rgba(255,255,255,.8);font-size:12px;font-weight:700}
.tt-chart .lg .g{fill:var(--gold-hi)}.tt-chart .lg .w{fill:#fff}
.tt-chart .ln{animation:ttDraw 2.4s cubic-bezier(.6,.05,.25,1) .5s forwards}
.tt-chart .ln.two{animation-delay:.9s}
.tt-chart .v{animation:ttPop .6s var(--ease-out) forwards;animation-delay:calc(1.2s + var(--d) * .14s)}
.tt-chart .plan-zone{animation:ttZone 2.6s ease-in-out 2.4s infinite alternate}
@keyframes ttDraw{to{stroke-dashoffset:0}}
@keyframes ttPop{to{opacity:1;transform:none}}
@keyframes ttZone{from{fill:rgba(232,203,140,.04)}to{fill:rgba(232,203,140,.13)}}
/* page hero */
.tt-hero{background:radial-gradient(900px 520px at 90% -10%,#24395A 0%,var(--navy) 62%);color:#fff;padding:46px 0 56px;overflow:hidden}
.tt-hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px;align-items:center}
.tt-hero h1{font-size:44px;line-height:1.18;letter-spacing:-.045em;margin:6px 0 16px}
.tt-hero h1 em{font-style:normal;color:var(--gold-hi)}
.tt-hero .lead{color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.75;margin:0 0 18px}
.crumb.light,.crumb.light a{color:rgba(255,255,255,.6)}
.tt-sum{margin:0;padding:14px 16px;border:1px solid rgba(232,203,140,.35);border-radius:14px;background:rgba(255,255,255,.04);font-size:14.5px;line-height:1.7;color:#fff}
.tt-sum b{display:inline-block;margin-right:8px;padding:2px 9px;border-radius:999px;background:var(--gold);font-size:12px}
.tt-chart-card{margin:0;padding:18px 18px 10px;border-radius:20px;background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.tt-chart-card figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;margin-bottom:6px}
.tt-chart-card figcaption b{font-size:15px}.tt-chart-card figcaption span{font-size:12.5px;color:rgba(255,255,255,.6)}
/* flow */
.tt-sec{margin-top:44px}
.tt-flow{border:1px solid var(--line-2);border-radius:18px;overflow:hidden;background:#fff}
.tt-row{display:grid;grid-template-columns:150px repeat(4,minmax(0,1fr));border-top:1px solid var(--line);font-size:14px;line-height:1.5}
.tt-row:first-child{border-top:0}
.tt-row>*{padding:12px 14px}
.tt-row b a{color:var(--ink)}.tt-row b a:hover{color:var(--gold-ink)}
.tt-row .now{background:#F7F4EC;font-weight:700}
.tt-row .wide{grid-column:span 2;color:#7A8291;font-size:13px}
.tt-head{background:var(--navy);color:rgba(255,255,255,.75);font-size:12.5px;font-weight:800}
.tt-head .now{background:var(--gold);color:#fff}.tt-head .plan{color:var(--gold-hi)}
.tt-row i,.tt-key i,.tm i{font-style:normal;display:inline-grid;place-items:center;width:18px;height:18px;margin-right:6px;border-radius:5px;font-size:10px;font-weight:900;vertical-align:1px}
i.up{background:#F6E3DF;color:#B0412F}i.dn{background:#E1F0E7;color:#23744B}i.eq{background:#EFEBE2;color:#7A8291}
.js .tt-row.rv{transform:translateX(-24px)}
.js .tt-row.rv.in{transform:none}
.tt-row.in i.up,.tt-row.in i.dn{animation:ttBob 1.2s var(--ease-out) .5s 2}
@keyframes ttBob{0%,100%{transform:none}40%{transform:translateY(-4px)}}
.tt-key{margin:10px 2px 0;font-size:13px;color:#7A8291}
.tt-key i{margin-left:8px}.tt-key i:first-child{margin-left:0}
.tt-fc{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.tt-fc .tt-card{padding:20px 18px;position:relative;overflow:hidden}
.tt-fc .tt-n{font-size:34px;font-weight:900;color:var(--gold-soft);-webkit-text-stroke:1.2px var(--gold);letter-spacing:-.03em;line-height:1}
.tt-fc h3{font-size:16.5px;line-height:1.4;margin:10px 0 8px;letter-spacing:-.03em}
.tt-fc p{margin:0;font-size:14px;line-height:1.7;color:#5D6777}
.tt-fc .tt-card:after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-hi));transition:width 1.2s var(--ease-out) .3s}
.tt-fc .tt-card.in:after{width:100%}
.tt-prep{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.tt-prep .tt-card{padding:18px}
.tt-prep b{font-size:16px}.tt-prep p{margin:8px 0 10px;font-size:14px;line-height:1.7;color:#5D6777}
.tt-prep a{font-weight:800;color:var(--gold-ink);font-size:14px}
.tt-note{margin:16px 2px 56px;font-size:13px;line-height:1.7;color:#7A8291}
/* home mini */
.trend-mini{margin-top:-34px;position:relative;z-index:3}
.tm{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center;padding:22px 26px;border-radius:22px;background:linear-gradient(135deg,#13233A,var(--navy));color:#fff;box-shadow:0 30px 60px -34px rgba(15,27,45,.8);border:1px solid rgba(232,203,140,.25);text-decoration:none;transition:transform .4s var(--ease-out)}
.tm:hover{transform:translateY(-3px)}
.tm h2{font-size:26px;letter-spacing:-.04em;margin:2px 0 12px;line-height:1.3}
.tm h2 em{font-style:normal;color:var(--gold-hi)}
.tm .eyebrow{color:var(--gold-hi)}
.tm ul{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:6px;font-size:14px;font-weight:800}
.tm ul span{font-weight:500;color:rgba(255,255,255,.7);margin-left:4px}
.tm-go{display:inline-block;padding:9px 16px;border-radius:999px;background:var(--gold);font-size:14px;font-weight:800}
.tm-chart{padding:12px 12px 4px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.tm-chart p{margin:0 0 2px;font-size:12px;color:rgba(255,255,255,.6);font-weight:700}
@media (max-width:1000px){.tt-hero-in,.tm{grid-template-columns:minmax(0,1fr)}.tt-fc{grid-template-columns:repeat(2,minmax(0,1fr))}.tt-prep{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .tt-hero h1{font-size:32px}
  .tt-flow{border:0;background:none;display:grid;gap:10px}
  .tt-head{display:none}
  .tt-row{grid-template-columns:minmax(0,1fr);border:1px solid var(--line-2);border-radius:14px;background:#fff}
  .tt-row>*{padding:7px 14px}
  .tt-row b{padding-top:12px;font-size:15.5px}
  .tt-row span:nth-of-type(1):before{content:"~2025 ";color:#7A8291;font-size:12px;font-weight:800}
  .tt-row span:nth-of-type(2):before{content:"2026 지금 ";color:var(--gold-ink);font-size:12px;font-weight:800}
  .tt-row span:nth-of-type(3):before{content:"2027 개정안 ";color:#7A8291;font-size:12px;font-weight:800}
  .tt-row span:nth-of-type(4):before{content:"2028~ ";color:#7A8291;font-size:12px;font-weight:800}
  .tt-row .wide{grid-column:auto}
  .tt-fc,.tt-prep{grid-template-columns:minmax(0,1fr)}
  .trend-mini{margin-top:-24px}.tm{padding:18px}.tm h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){.tt-chart .ln{animation:none;stroke-dashoffset:0}.tt-chart .v{animation:none;opacity:1;transform:none}.tt-chart .plan-zone,.nav a.nav-trend:after{animation:none}}

.tt-card{background:#fff;border:1px solid var(--line-2);border-radius:16px;box-shadow:0 14px 30px -26px rgba(15,27,45,.45)}
.tt-prep .tt-card{display:flex;flex-direction:column}
.tt-prep .tt-card a{margin-top:auto}

.trend-mini + .feat{margin-top:28px}

@media (max-width:1000px){.trend-mini{margin-top:18px}}
@media (max-width:760px){.tt-chart .v{font-size:19px}.tt-chart .yr{font-size:16px}.tt-chart .lg text{font-size:15px}}