/* ============================================================================
 * 제삿날 계산기 — "먹과 쪽빛" (ink & indigo on cool bone)
 * 한지·먹·지방(紙榜) 모티프의 한국 전례(典禮) 유틸리티
 * DESIGN_VARIANCE 5 · MOTION_INTENSITY 3 · VISUAL_DENSITY 4
 * ========================================================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --paper:#F1F0EB;         /* cool bone / rice-white */
  --panel:#FBFAF6;         /* off-white 지방 바탕 */
  --well:#EBEAE3;          /* 입력 well */
  --ink:#1A1B20;           /* cool sumi near-black */
  --sub:#41424A;           /* 본문 */
  --muted:#6B6B66;         /* 보조 */
  --line:#D9D7D0;          /* 괘선 hairline */
  --line2:#C6C4BB;         /* 진한 괘선 */
  --indigo:#26365F;        /* 쪽빛/청화 accent */
  --indigo-h:#33477A;      /* hover */
  --indigo-soft:rgba(38,54,95,.08);
  --indigo-line:rgba(38,54,95,.22);
  --serif:'Nanum Myeongjo',"Apple SD Gothic Neo",serif;
  --sans:'Noto Sans KR',-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#14151A;--panel:#1B1C22;--well:#22232B;
    --ink:#ECEBE6;--sub:#C7C6C0;--muted:#9A998F;
    --line:rgba(255,255,255,.10);--line2:rgba(255,255,255,.16);
    --indigo:#8FA2D8;--indigo-h:#A9B8E4;
    --indigo-soft:rgba(143,162,216,.12);--indigo-line:rgba(143,162,216,.30);
    color-scheme:dark;
  }
}

html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);font-weight:400;color:var(--ink);
  background-color:var(--paper);
  background-image:
    repeating-linear-gradient(0deg,rgba(120,116,104,.045) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(120,116,104,.03) 0 1px,transparent 1px 34px);
  line-height:1.78;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
@media (prefers-color-scheme:dark){
  body{background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.018) 0 1px,transparent 1px 34px);}
}
::selection{background:var(--indigo);color:var(--paper)}
img{max-width:100%;height:auto}

.container{max-width:820px;margin:0 auto;padding:0 20px}
.wide{max-width:1120px}

/* ---- nav ---------------------------------------------------------------- */
.top-nav{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:15px 20px;max-width:1120px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:16px;letter-spacing:-.01em;font-family:var(--serif)}
.brand svg{color:var(--indigo);flex-shrink:0}
.brand .seal{width:24px;height:24px;border:1.5px solid var(--indigo);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:13px;color:var(--indigo);flex-shrink:0}
.nav-links{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav-links a{color:var(--sub);text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.2px;padding:6px 11px;border-radius:4px;border:1px solid transparent;transition:color .15s,background-color .15s,border-color .15s}
.nav-links a:hover{color:var(--indigo);background:var(--panel);border-color:var(--line)}
.nav-links a.cta{color:var(--paper);background:var(--indigo);border-color:var(--indigo)}
.nav-links a.cta:hover{background:var(--indigo-h);color:var(--paper)}
@media (prefers-color-scheme:dark){.nav-links a.cta{color:#14151A}.nav-links a.cta:hover{color:#14151A}}

/* 괘선 스트립 */
.rule-strip{height:6px;border-top:1px solid var(--line2);border-bottom:1px solid var(--line);background:transparent}

/* ---- hero (지방 모티프) ------------------------------------------------- */
.hero{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;padding:40px 0 20px}
.hero-text{min-width:0}
.eyebrow{font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:3px;color:var(--indigo);margin-bottom:14px;text-transform:uppercase}
h1{font-family:var(--serif);font-size:clamp(1.7rem,5vw,2.5rem);font-weight:800;letter-spacing:-.02em;line-height:1.24;margin-bottom:14px}
.hero-lede{color:var(--sub);font-size:15.5px;max-width:640px}
.hero-lede b{color:var(--indigo);font-weight:700}
.hero-cta{margin-top:20px}

/* 지방(紙榜) 세로 카드 — 히어로 비대칭 앵커 */
.jibang{position:relative;width:112px;height:230px;flex-shrink:0;background:var(--panel);
  border:1px solid var(--line2);box-shadow:0 10px 30px rgba(26,27,32,.10)}
.jibang::before{content:"";position:absolute;inset:7px;border:1px solid var(--line2)}
.jibang .vlabel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  writing-mode:vertical-rl;font-family:var(--serif);font-weight:800;font-size:34px;letter-spacing:.16em;color:var(--ink)}
.jibang .smoke{position:absolute;left:50%;top:-46px;transform:translateX(-50%);opacity:.5;color:var(--muted)}
.smoke path{animation:sway 7s ease-in-out infinite}
@keyframes sway{0%,100%{transform:translateX(0) scaleX(1)}50%{transform:translateX(2px) scaleX(.96)}}

/* ---- 공통 섹션 헤더 ----------------------------------------------------- */
section{margin-bottom:30px}
.section-title{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.section-title h2{font-family:var(--serif);font-size:1.32rem;font-weight:800;letter-spacing:-.015em;color:var(--ink)}
.section-title .num{font-family:var(--sans);font-size:10.5px;font-weight:600;letter-spacing:1.5px;color:var(--indigo);border:1px solid var(--indigo-line);border-radius:3px;padding:2px 7px}
.section-title .ln{flex:1;height:1px;background:var(--line2)}

/* ---- 계산기 패널 -------------------------------------------------------- */
.panel{background:var(--panel);border:1px solid var(--line2);border-radius:4px}
.panel-head{display:flex;align-items:center;gap:9px;padding:15px 20px;border-bottom:1px solid var(--line)}
.panel-head h2{font-family:var(--serif);font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.panel-head .dot{width:7px;height:7px;border-radius:50%;background:var(--indigo)}
.panel-head .tag{font-size:10px;font-weight:600;color:var(--muted);margin-left:auto;letter-spacing:1.5px}
.calc-body{padding:20px}

.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.col-2{grid-column:1/-1}
.field label{font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--sub)}
.field .hint{display:block;font-size:11.5px;color:var(--muted);font-weight:400;margin-top:1px}
input[type=number],select{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--well);border:1px solid var(--line2);border-radius:2px;padding:11px 12px;transition:border-color .15s,box-shadow .15s;font-variant-numeric:tabular-nums}
input[type=number]:focus,select:focus{outline:0;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-soft);background:var(--panel)}
select:disabled,input:disabled{opacity:.5;cursor:not-allowed}
.chk-row{display:flex;flex-wrap:wrap;gap:8px}
.chk{display:flex;align-items:center;gap:8px;border:1px solid var(--line2);border-radius:2px;padding:10px 13px;background:var(--well);cursor:pointer;font-size:13.5px;font-weight:500;color:var(--sub);transition:all .15s;user-select:none}
.chk input{accent-color:var(--indigo);width:15px;height:15px}
.chk:has(input:checked){border-color:var(--indigo);background:var(--indigo-soft);color:var(--indigo)}
.chk .h{font-size:11.5px;color:var(--muted);font-weight:400}
.calc-btn{width:100%;margin-top:18px;font-family:var(--sans);font-size:15.5px;font-weight:700;color:var(--paper);background:var(--indigo);border:1px solid var(--indigo);border-radius:2px;padding:14px;cursor:pointer;transition:background .15s,transform .12s;letter-spacing:.02em}
.calc-btn:hover{background:var(--indigo-h)}
.calc-btn:active{transform:translateY(1px)}
@media (prefers-color-scheme:dark){.calc-btn{color:#14151A}}

/* ---- 결과 -------------------------------------------------------------- */
.result{margin-top:24px}
.result.hidden{display:none}
.result.reveal{animation:rise .6s ease-out both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 지방 스타일 하이라이트 카드 */
.hl-card{position:relative;background:var(--panel);border:2px solid var(--ink);padding:22px 22px 20px;overflow:hidden}
.hl-card::before{content:"";position:absolute;inset:5px;border:1px solid var(--line2);pointer-events:none}
.hl-inner{position:relative}
.hl-ey{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--indigo);text-transform:uppercase}
.hl-date{font-family:var(--serif);font-size:clamp(1.6rem,6vw,2.35rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:8px 0 4px;color:var(--ink)}
.hl-date .wd{font-size:.5em;font-weight:400;color:var(--muted);margin-left:6px}
.dday-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;color:var(--paper);background:var(--indigo);padding:4px 11px;border-radius:2px;margin-top:4px}
@media (prefers-color-scheme:dark){.dday-badge{color:#14151A}}
.dday-badge.past{background:var(--muted)}
.hl-notes{margin-top:16px;border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:9px}
.hl-note{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--sub);line-height:1.65}
.hl-note .mk{flex:0 0 auto;font-family:var(--serif);font-weight:800;color:var(--indigo);line-height:1.5}
.custom-badge{display:inline-block;font-size:12px;font-weight:600;color:var(--indigo);background:var(--indigo-soft);border:1px solid var(--indigo-line);border-radius:2px;padding:6px 10px;margin-top:12px;line-height:1.55}

/* 10년 표 */
.table-wrap{margin-top:20px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.year-table{width:100%;border-collapse:collapse;font-size:14px;min-width:460px}
.year-table th,.year-table td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
.year-table thead th{font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--line2)}
.year-table td{color:var(--sub);font-variant-numeric:tabular-nums}
.year-table td.d-solar{font-weight:600;color:var(--ink)}
.year-table tr.is-next td{background:var(--indigo-soft)}
.year-table .rowbadge{display:inline-block;font-size:10.5px;font-weight:600;color:var(--indigo);border:1px solid var(--indigo-line);border-radius:2px;padding:1px 6px;margin-left:6px;white-space:nowrap}
.year-table .dd{font-size:12.5px;color:var(--muted)}
.year-table .dd.next{color:var(--indigo);font-weight:600}

/* 로딩 스켈레톤 */
.skeleton .sk-line{height:14px;background:linear-gradient(90deg,var(--well),var(--line),var(--well));background-size:200% 100%;border-radius:2px;margin:10px 0;animation:shimmer 1.4s linear infinite}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}

/* 쿠팡 */
.cp-zone{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}
.cp-zone .cz-h{font-size:13px;font-weight:600;color:var(--sub);margin-bottom:12px}
.cp-links{display:flex;flex-wrap:wrap;gap:9px}
.cp-link{display:inline-flex;align-items:center;gap:7px;background:var(--indigo);color:var(--paper);text-decoration:none;font-weight:600;font-size:13.5px;padding:11px 15px;border-radius:2px;border:1px solid var(--indigo);transition:background .15s,transform .12s}
.cp-link:hover{background:var(--indigo-h);transform:translateY(-1px)}
@media (prefers-color-scheme:dark){.cp-link{color:#14151A}}
.cp-note{font-size:11.5px;color:var(--muted);margin-top:10px}

.foot-note{margin-top:20px;font-size:12.5px;color:var(--muted);line-height:1.75;border-top:1px dotted var(--line2);padding-top:14px}
.foot-note strong{color:var(--sub)}

/* ---- divide-y 행(차별점) ------------------------------------------------ */
.diff-list{border-top:1px solid var(--line)}
.diff-item{display:flex;gap:16px;padding:16px 2px;border-bottom:1px solid var(--line);align-items:flex-start}
.diff-item .di-n{font-family:var(--serif);font-size:1.3rem;font-weight:800;color:var(--indigo);flex:0 0 auto;line-height:1.3;min-width:24px}
.diff-item .di-b h3{font-family:var(--serif);font-size:1.02rem;font-weight:800;color:var(--ink);margin-bottom:3px}
.diff-item .di-b p{font-size:13.5px;color:var(--sub);line-height:1.7}

/* ---- prose -------------------------------------------------------------- */
.prose{background:var(--panel);border:1px solid var(--line2);border-radius:4px;padding:28px 26px}
.prose>h2,.prose>h3{font-family:var(--serif)}
.prose h2{font-size:1.28rem;font-weight:800;letter-spacing:-.015em;margin:32px 0 13px;padding-bottom:9px;border-bottom:1px solid var(--line2);color:var(--ink)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.06rem;font-weight:800;margin:24px 0 9px;color:var(--indigo)}
.prose p{color:var(--sub);font-size:15px;line-height:1.92;margin-bottom:14px}
.prose ul,.prose ol{color:var(--sub);font-size:15px;line-height:1.9;padding-left:22px;margin-bottom:14px}
.prose li{margin-bottom:7px}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--indigo);font-weight:600}
.prose .src{font-size:12.5px;color:var(--muted);line-height:1.75}
.prose blockquote{border-left:3px solid var(--indigo);background:var(--indigo-soft);padding:12px 16px;margin:16px 0;font-size:14px;color:var(--sub);line-height:1.8;border-radius:0 2px 2px 0}

.lede{font-size:16px;color:var(--sub);line-height:1.9;margin-bottom:20px}
.lede b{color:var(--indigo);font-weight:700}

/* 본문 표 */
.data-table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0 6px}
.data-table th,.data-table td{border:1px solid var(--line2);padding:9px 11px;text-align:left;vertical-align:top}
.data-table th{font-size:12px;font-weight:600;color:var(--ink);background:var(--indigo-soft);letter-spacing:.3px}
.data-table td{color:var(--sub);line-height:1.6}

/* callout / disclaimer */
.callout{display:flex;gap:12px;align-items:flex-start;background:var(--indigo-soft);border:1px solid var(--indigo-line);border-radius:3px;padding:16px 18px;margin:18px 0}
.callout .ck{flex:0 0 auto;font-family:var(--serif);font-weight:800;color:var(--indigo);font-size:1.1rem;line-height:1.4}
.callout .ct{font-size:14px;color:var(--sub);line-height:1.8}
.callout .ct b{color:var(--ink)}
.disclaimer{margin-top:8px;font-size:12.5px;color:var(--muted);line-height:1.75;border-top:1px dotted var(--line2);padding-top:14px}

/* CTA 버튼 */
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:14.5px;padding:13px 20px;border-radius:2px;transition:background .15s,transform .12s;font-family:var(--sans)}
.btn-primary{background:var(--indigo);color:var(--paper);border:1px solid var(--indigo)}
.btn-primary:hover{background:var(--indigo-h);transform:translateY(-1px)}
@media (prefers-color-scheme:dark){.btn-primary{color:#14151A}}
.btn-ghost{background:transparent;color:var(--indigo);border:1px solid var(--indigo-line)}
.btn-ghost:hover{background:var(--indigo-soft)}

/* 내부링크 카드 */
.linkcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.linkcard{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line2);border-radius:4px;padding:18px;transition:transform .12s,border-color .15s}
.linkcard:hover{transform:translateY(-2px);border-color:var(--indigo)}
.linkcard .lc-tag{font-size:10px;font-weight:600;letter-spacing:1.5px;color:var(--indigo);text-transform:uppercase}
.linkcard h3{font-family:var(--serif);font-size:15.5px;font-weight:800;color:var(--ink);margin:6px 0 5px}
.linkcard p{font-size:13px;color:var(--sub);line-height:1.6}

/* FAQ 아코디언 */
.faq-list details{background:var(--panel);border:1px solid var(--line2);border-radius:3px;margin-bottom:10px;overflow:hidden}
.faq-list summary{cursor:pointer;padding:16px 18px;font-weight:700;font-size:15px;color:var(--ink);list-style:none;display:flex;gap:11px;align-items:flex-start;font-family:var(--serif)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .q{color:var(--indigo);flex:0 0 auto;font-weight:800}
.faq-list summary::after{content:"+";margin-left:auto;color:var(--indigo);font-size:19px;font-family:var(--sans);flex:0 0 auto}
.faq-list details[open] summary::after{content:"–"}
.faq-list .fa{padding:0 18px 17px 40px;font-size:14px;color:var(--sub);line-height:1.85}
.faq-list .fa a{color:var(--indigo);font-weight:600}
.faq-list .fa strong{color:var(--ink)}
.faq-list .fa p{margin-bottom:9px}
.faq-list .fa p:last-child{margin-bottom:0}

/* page header */
.page-header{padding:40px 0 10px}
.page-header .eyebrow{margin-bottom:11px}
.page-header h1{margin-bottom:12px}
.page-header p.sub{color:var(--sub);font-size:15.5px;max-width:660px}

/* ---- footer ------------------------------------------------------------- */
footer{border-top:1px solid var(--line2);background:var(--panel);padding:36px 0 28px;margin-top:54px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:24px;margin-bottom:24px}
.footer-col h4{font-size:10.5px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}
.footer-col a{display:block;color:var(--sub);text-decoration:none;font-size:13px;padding:3px 0;transition:color .15s}
.footer-col a:hover{color:var(--indigo)}
.footer-bottom{border-top:1px solid var(--line);padding-top:16px;text-align:center;font-size:12px;color:var(--muted)}
.footer-plate{font-size:10.5px;font-weight:500;letter-spacing:2px;color:var(--muted);margin-top:7px}
.footer-plate a{color:var(--sub);text-decoration:none;border-bottom:1px dotted var(--line2)}

/* ---- 반응형 ------------------------------------------------------------- */
@media (max-width:680px){
  .hero{grid-template-columns:1fr;gap:30px}
  .jibang{width:96px;height:196px;justify-self:start}
  .jibang .vlabel{font-size:29px}
  .field-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:0ms!important;animation-duration:0ms!important;animation-iteration-count:1!important}
  .result.reveal{animation:none}
  .smoke path{animation:none}
}