/*
Theme Name: 시니어워커 가이드
Theme URI: https://seniorwalker.stofarm.com/
Description: 노인 보행기 정보 안내 플랫폼 전용 커스텀 테마. 종류·선택 기준·안전한 사용법과 관리 정보를 정리한 정보 검색 사이트.
Author: 시니어워커 가이드 편집팀
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: seniorwalker
*/

/* =========================================================
   디자인 토큰
   ========================================================= */
:root{
  --brand:#1f4e79;        /* 주색 - 딥 네이비 */
  --brand-700:#173c5e;
  --brand-100:#e8f0f7;
  --accent:#2c9a8f;       /* 보조 강조 - 티얼 */
  --accent-700:#217367;
  --accent-100:#e3f4f1;
  --ink:#1b2733;          /* 본문 텍스트 */
  --ink-soft:#3a4a59;
  --muted:#617184;        /* 보조 텍스트 */
  --line:#e4eaf0;         /* 보더 */
  --line-strong:#d3dce6;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;      /* 섹션 배경 */
  --bg-sink:#eef3f8;
  --warm:#e8a54b;         /* 포인트(아주 절제) */
  --danger:#c0483f;

  --r-xs:8px; --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:30px;
  --sh-1:0 1px 2px rgba(23,39,58,.06),0 2px 8px rgba(23,39,58,.05);
  --sh-2:0 6px 20px rgba(23,39,58,.08),0 2px 6px rgba(23,39,58,.05);
  --sh-3:0 18px 46px rgba(23,39,58,.14);

  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px;
  --sp-6:64px; --sp-7:96px; --sp-8:128px;

  --maxw:1160px;
  --readw:760px;

  --font-sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans KR',sans-serif;
  --font-serif:'Noto Serif KR',Georgia,'Nanum Myeongjo',serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* =========================================================
   리셋 · 기본
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:var(--font-sans);
  font-size:17px;line-height:1.75;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent-700)}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;letter-spacing:-.02em;margin:0}
strong{font-weight:700;color:var(--ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.08em;
  color:var(--accent-700);text-transform:uppercase;margin-bottom:14px}
.section{padding:var(--sp-7) 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto var(--sp-5);text-align:center}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.05rem;margin:0}

/* =========================================================
   버튼
   ========================================================= */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;
  padding:14px 26px;border-radius:999px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  min-height:48px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn svg{width:18px;height:18px}

/* =========================================================
   헤더 · 내비게이션
   ========================================================= */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;flex:0 0 42px;border-radius:12px;box-shadow:var(--sh-1)}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:1.12rem;color:var(--brand);letter-spacing:-.02em}
.brand-sub{font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:10px 15px;border-radius:10px;color:var(--ink-soft);font-weight:600;font-size:.98rem}
.nav a:hover{background:var(--bg-soft);color:var(--brand)}
.nav .btn{margin-left:8px;padding:10px 20px;min-height:44px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:10px;
  width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}

/* =========================================================
   히어로
   ========================================================= */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(120% 90% at 85% 0%,rgba(44,154,143,.10),transparent 55%),
  linear-gradient(180deg,#fbfdff 0%,var(--bg-soft) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding-top:var(--sp-7);padding-bottom:var(--sp-7)}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);line-height:1.18;letter-spacing:-.03em}
.hero .lede{font-size:1.18rem;color:var(--ink-soft);margin:22px 0 32px;max-width:30em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-figure img{border-radius:var(--r-lg);box-shadow:var(--sh-3);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-badge{position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh-2);padding:14px 18px;display:flex;align-items:center;gap:12px;max-width:250px}
.hero-badge .dot{width:38px;height:38px;border-radius:10px;background:var(--accent-100);
  display:flex;align-items:center;justify-content:center;color:var(--accent-700);flex:0 0 38px}
.hero-badge .dot svg{width:20px;height:20px}
.hero-badge b{display:block;font-size:.95rem;color:var(--ink)}
.hero-badge span{font-size:.8rem;color:var(--muted)}
.hero-stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:1.6rem;color:var(--brand);font-weight:800}
.hero-stats .st span{font-size:.86rem;color:var(--muted)}

/* =========================================================
   카드 그리드 (주제/카테고리)
   ========================================================= */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);height:100%}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.topic-card .ic{width:50px;height:50px;border-radius:13px;background:var(--brand-100);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.topic-card .ic svg{width:26px;height:26px}
.topic-card h3{font-size:1.18rem;margin-bottom:8px}
.topic-card p{color:var(--muted);font-size:.96rem;margin:0}

/* =========================================================
   글 카드 (아카이브 · 최신글)
   ========================================================= */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease);height:100%}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-sink)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-card .cat{font-size:.75rem;font-weight:700;color:var(--accent-700);letter-spacing:.04em;margin-bottom:9px}
.post-card h3{font-size:1.12rem;line-height:1.4;margin-bottom:9px}
.post-card h3 a{color:var(--ink)}.post-card h3 a:hover{color:var(--brand)}
.post-card p{color:var(--muted);font-size:.93rem;margin:0 0 16px;flex:1}
.post-card .more{font-size:.9rem;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.post-card .more svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.post-card:hover .more svg{transform:translateX(3px)}

/* =========================================================
   본문 아티클 (single / page)
   ========================================================= */
.article-hero{background:linear-gradient(180deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line);
  padding:var(--sp-6) 0 var(--sp-5)}
.article-hero .wrap{max-width:var(--readw)}
.article-hero .cat{font-size:.82rem;font-weight:700;color:var(--accent-700);letter-spacing:.05em}
.article-hero h1{font-size:clamp(1.9rem,4.5vw,2.7rem);margin:14px 0 18px;line-height:1.25}
.article-hero .meta{display:flex;gap:16px;align-items:center;color:var(--muted);font-size:.9rem;flex-wrap:wrap}
.article-hero .meta .sep{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.article-featured{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.article-featured img{width:100%;max-height:520px;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);margin-top:-36px;position:relative;z-index:2}

.article-body{max-width:var(--readw);margin:0 auto;padding:var(--sp-6) 24px var(--sp-5)}
.article-body>*{margin-bottom:1.15em}
.article-body p{font-size:1.06rem;line-height:1.85;color:var(--ink-soft)}
.article-body h2{font-size:1.55rem;margin:2em 0 .7em;padding-top:.4em;position:relative}
.article-body h2::before{content:"";position:absolute;top:-2px;left:0;width:46px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent))}
.article-body h3{font-size:1.22rem;margin:1.6em 0 .5em;color:var(--brand-700)}
.article-body ul,.article-body ol{padding-left:0;list-style:none;margin:0 0 1.3em}
.article-body ul li,.article-body ol li{position:relative;padding-left:30px;margin-bottom:11px;
  font-size:1.02rem;line-height:1.7;color:var(--ink-soft)}
.article-body ul li::before{content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:2px;width:23px;height:23px;
  border-radius:50%;background:var(--brand-100);color:var(--brand);font-size:.78rem;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.article-body a{font-weight:600;border-bottom:1px solid var(--accent-100)}
.article-body a:hover{border-color:var(--accent)}

/* 본문 이미지 */
.article-body figure{margin:2em 0}
.article-body figure img{width:100%;border-radius:var(--r);box-shadow:var(--sh-1)}
.article-body figcaption{text-align:center;font-size:.86rem;color:var(--muted);margin-top:10px}

/* 요약 박스 */
.callout-summary{background:var(--accent-100);border:1px solid #cfeae5;border-radius:var(--r);
  padding:24px 26px;margin:0 0 2em}
.callout-summary h4{font-size:1.02rem;color:var(--accent-700);margin-bottom:12px;
  display:flex;align-items:center;gap:9px}
.callout-summary h4 svg{width:19px;height:19px}
.callout-summary ul{margin:0!important}
.callout-summary ul li::before{background:var(--accent-700)}

/* 강조 콜아웃 */
.note{border-left:4px solid var(--brand);background:var(--brand-100);border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:18px 22px;margin:1.8em 0;color:var(--ink-soft);font-size:1.01rem}
.note.warn{border-left-color:var(--warm);background:#fdf6ea}
.note b{color:var(--ink)}
.article-body blockquote{margin:1.8em 0;padding:20px 26px;background:var(--bg-soft);border-radius:var(--r);
  border-left:4px solid var(--accent);font-size:1.08rem;color:var(--ink-soft);font-style:normal}

/* 표 */
.table-wrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--r);
  -webkit-overflow-scrolling:touch}
table.data{width:100%;border-collapse:collapse;min-width:480px;font-size:.96rem}
table.data caption{text-align:left;font-weight:700;color:var(--ink);padding:14px 18px;font-size:1rem;
  background:var(--bg-soft);border-bottom:1px solid var(--line)}
table.data th,table.data td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.data thead th{background:var(--brand);color:#fff;font-weight:700;font-size:.9rem;letter-spacing:.01em}
table.data tbody tr:nth-child(even){background:var(--bg-soft)}
table.data tbody tr:last-child td{border-bottom:none}
table.data td strong{color:var(--brand-700)}

/* CSS 막대 차트 */
.chart{margin:1.8em 0;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;background:#fff}
.chart .chart-title{font-weight:700;color:var(--ink);margin-bottom:16px;font-size:1rem}
.chart .row{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center;margin-bottom:13px}
.chart .row:last-child{margin-bottom:0}
.chart .lab{font-size:.9rem;color:var(--ink-soft);font-weight:600}
.chart .track{background:var(--bg-sink);border-radius:999px;height:26px;position:relative;overflow:hidden}
.chart .fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));
  display:flex;align-items:center;justify-content:flex-end;padding-right:11px;color:#fff;font-size:.8rem;
  font-weight:700;min-width:34px;transition:width 1s var(--ease)}
.chart .fill.alt{background:linear-gradient(90deg,var(--accent),#4bb8a8)}
.chart .cap{font-size:.82rem;color:var(--muted);margin-top:12px}

/* 단계 다이어그램 */
.steps{counter-reset:st;margin:1.8em 0}
.steps .step{display:grid;grid-template-columns:44px 1fr;gap:16px;padding-bottom:22px;position:relative}
.steps .step::before{counter-increment:st;content:counter(st);width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.steps .step:not(:last-child)::after{content:"";position:absolute;left:21px;top:44px;bottom:0;width:2px;background:var(--line-strong)}
.steps .step h4{font-size:1.06rem;margin-bottom:5px;color:var(--brand-700)}
.steps .step p{margin:0;font-size:.98rem;color:var(--ink-soft)}

/* 체크리스트 */
.checklist{background:var(--bg-soft);border-radius:var(--r);padding:22px 26px;margin:1.8em 0;border:1px solid var(--line)}
.checklist li{list-style:none;padding-left:34px!important;position:relative;margin-bottom:12px;color:var(--ink-soft)}
.checklist li::before{content:"";position:absolute;left:2px;top:3px;width:20px;height:20px;border-radius:6px;
  background:var(--accent);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat}

/* FAQ */
.faq{margin:1.8em 0}
.faq details{border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;background:#fff;overflow:hidden}
.faq details[open]{box-shadow:var(--sh-1)}
.faq summary{padding:18px 22px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:11px;height:11px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s var(--ease);flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(225deg)}
.faq .fa{padding:0 22px 20px;color:var(--ink-soft);font-size:1rem;line-height:1.75}

/* 목차 */
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:0 0 2.2em}
.toc .toc-h{font-weight:700;color:var(--ink);margin-bottom:12px;font-size:.98rem;
  display:flex;align-items:center;gap:8px}
.toc .toc-h svg{width:17px;height:17px;color:var(--brand)}
.toc ol{counter-reset:toc;list-style:none;margin:0!important;padding:0}
.toc ol li{counter-increment:toc;padding-left:30px!important;margin-bottom:9px;position:relative}
.toc ol li::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-size:.78rem;font-weight:700;color:var(--accent-700)}
.toc a{color:var(--ink-soft);font-weight:600;border:none}
.toc a:hover{color:var(--brand)}

/* 고지 */
.ai-notice{font-size:.85em;color:#8a97a4;margin-top:2.4em}
.legal-notice{font-size:.85em;color:#77828d;background:#f8f9fa;border-left:3px solid #cbd5e1;
  padding:14px 18px;margin-top:2em;border-radius:0 6px 6px 0}
.legal-notice p{margin:5px 0}

/* 관련글 */
.related{background:var(--bg-soft);border-top:1px solid var(--line)}
.related h2{text-align:center;font-size:1.5rem;margin-bottom:36px}

/* 소스 · 참고 */
.sources{font-size:.92rem;color:var(--muted);border-top:1px dashed var(--line-strong);padding-top:18px;margin-top:2.4em}
.sources b{color:var(--ink-soft)}
.sources a{color:var(--brand);font-weight:600}

/* =========================================================
   푸터
   ========================================================= */
.site-footer{background:#12212f;color:#aeb9c4;padding:var(--sp-6) 0 var(--sp-3);font-size:.95rem}
.site-footer a{color:#c6d2dd}
.site-footer a:hover{color:#fff}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:var(--sp-4);
  border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand-name{color:#fff;font-size:1.15rem}
.footer-brand p{color:#8e9ba7;margin:14px 0 0;max-width:34em;font-size:.93rem;line-height:1.7}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:.92rem}
.footer-legal{padding-top:var(--sp-3);font-size:.82rem;color:#7b8894;line-height:1.7}
.footer-legal .disc{background:rgba(255,255,255,.04);border-radius:var(--r-sm);padding:14px 18px;margin-bottom:16px}
.footer-legal .copy{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:6px}

/* =========================================================
   유틸 · 반응형
   ========================================================= */
.center{text-align:center}
.mt-lg{margin-top:var(--sp-5)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:38px}
  .hero-figure{order:-1}
  .footer-top{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  body{font-size:16px}
  .section{padding:var(--sp-6) 0}
  .nav{position:fixed;inset:74px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 22px;gap:2px;align-items:stretch;box-shadow:var(--sh-2);
    transform:translateY(-140%);transition:transform .3s var(--ease);visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:14px 12px}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .nav-toggle{display:flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .article-featured img{margin-top:-18px;max-height:340px}
  .chart .row{grid-template-columns:100px 1fr}
  .hero-badge{left:auto;right:12px;bottom:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}