/*
Theme Name: TrashClean Premium
Theme URI: https://trashclean.zibsuri.com
Author: TrashClean Studio
Description: 쓰레기집 정리·청소 정보 플랫폼 전용 프리미엄 테마. 8pt 스케일 디자인 토큰, Pretendard+Noto Serif KR 타이포.
Version: 1.0.0
Requires at least: 6.0
License: GNU General Public License v2 or later
Text Domain: trashclean-premium
*/

:root{
  --navy:#0F2A47; --navy-800:#16324F; --navy-700:#1E3A5F;
  --teal:#16A394; --teal-dark:#0E8A7D; --teal-soft:#E6F5F3;
  --amber:#E08A3C; --amber-soft:#FBF3E9;
  --ink:#1F2937; --ink-2:#4A5568; --ink-3:#6B7280;
  --bg:#FFFFFF; --bg-soft:#F5F7FA; --bg-mint:#EAF6F4;
  --line:#E5E9EF;
  --radius-sm:8px; --radius:14px; --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(15,42,71,.05),0 4px 14px rgba(15,42,71,.06);
  --shadow-md:0 8px 28px rgba(15,42,71,.10);
  --shadow-lg:0 18px 50px rgba(15,42,71,.16);
  --font-body:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI','Apple SD Gothic Neo','Noto Sans KR',sans-serif;
  --font-display:'Noto Serif KR','Pretendard Variable',serif;
  --w-article:760px;
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  font-size:16px;line-height:1.75;letter-spacing:-0.01em;overflow-x:hidden;
}
img{max-width:100%;height:auto}
a{color:var(--teal-dark);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid rgba(22,163,148,.5);outline-offset:2px;border-radius:4px}
::selection{background:rgba(22,163,148,.22)}

/* ---------- layout ---------- */
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--navy);font-size:18px;letter-spacing:-0.02em}
.brand img{width:38px;height:38px;border-radius:10px;display:block}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:0}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.main-nav a{padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2)}
.main-nav a:hover{background:var(--bg-soft);color:var(--navy)}
.header-cta{margin-left:8px;display:inline-flex;align-items:center;gap:6px;padding:11px 20px;border-radius:999px;background:var(--navy);color:#fff;font-weight:600;font-size:14.5px;transition:background .18s ease,transform .18s ease}
.header-cta:hover{background:var(--navy-800);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;margin-left:auto;border-radius:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.2s}

/* ---------- page shell ---------- */
.page-hero{background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);border-bottom:1px solid var(--line);padding:72px 0 56px}
.page-hero .container{max-width:860px;text-align:center}
.page-hero h1{font-family:var(--font-display);font-size:40px;line-height:1.35;color:var(--navy);margin:0 0 14px;letter-spacing:-0.02em;font-weight:700}
.page-hero p{color:var(--ink-2);font-size:17px;margin:0;line-height:1.75}
.article-wrap{max-width:var(--w-article);margin:0 auto;padding:56px 24px 88px}

/* ---------- article typography ---------- */
.entry-content{font-size:16.5px;line-height:1.8;color:var(--ink)}
.entry-content h2{font-family:var(--font-display);font-size:26px;line-height:1.45;color:var(--navy);margin:56px 0 18px;letter-spacing:-0.015em;scroll-margin-top:96px}
.entry-content h2:first-child{margin-top:0}
.entry-content h3{font-size:19px;color:var(--navy-700);margin:36px 0 12px;line-height:1.5}
.entry-content p{margin:0 0 18px}
.entry-content ul,.entry-content ol{margin:0 0 22px;padding-left:22px}
.entry-content li{margin:8px 0}
.entry-content strong{color:var(--navy-800)}
.entry-content a{text-decoration:underline;text-underline-offset:3px}

/* ---------- components ---------- */
.entry-content table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0 28px;font-size:15px;line-height:1.6;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.entry-content th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px;font-weight:600;font-size:14.5px}
.entry-content td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.entry-content tbody tr:nth-child(even){background:var(--bg-soft)}
.entry-content tbody tr:hover{background:var(--bg-mint)}

.tk-callout{background:var(--bg-soft);border-left:4px solid var(--teal);border-radius:0 12px 12px 0;padding:18px 22px;margin:26px 0;color:var(--ink-2);font-size:15.5px}
.tk-callout strong{color:var(--navy)}
.tk-warn{background:var(--amber-soft);border-left-color:var(--amber)}
.tk-box{background:var(--bg-mint);border:1px solid rgba(22,163,148,.25);border-radius:14px;padding:20px 22px;margin:26px 0}

.tk-chart{margin:26px 0;display:grid;gap:14px}
.tk-chart .row{display:grid;grid-template-columns:132px 1fr 118px;align-items:center;gap:14px}
.tk-chart .lbl{font-size:14.5px;font-weight:600;color:var(--navy-800);text-align:right}
.tk-chart .track{height:12px;background:var(--bg-soft);border-radius:99px;overflow:hidden}
.tk-chart .fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--teal-dark),var(--teal));width:0;transition:width .9s cubic-bezier(.22,1,.36,1)}
.tk-chart .val{font-size:13px;color:var(--ink-3);font-weight:600}

.tk-faq details{border:1px solid var(--line);border-radius:12px;margin:12px 0;background:#fff;overflow:hidden}
.tk-faq summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--navy-800);font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.tk-faq summary::-webkit-details-marker{display:none}
.tk-faq summary::after{content:"+";font-size:20px;color:var(--teal);font-weight:400;transition:transform .2s}
.tk-faq details[open] summary::after{transform:rotate(45deg)}
.tk-faq .faq-a{padding:0 20px 18px;color:var(--ink-2);font-size:15.5px}

.tk-steps{counter-reset:st;list-style:none;padding:0;margin:24px 0;display:grid;gap:12px}
.tk-steps li{counter-increment:st;position:relative;padding:16px 18px 16px 60px;background:var(--bg-soft);border-radius:12px;font-size:15.5px;color:var(--ink-2)}
.tk-steps li::before{content:counter(st);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.tk-steps li strong{color:var(--navy-800)}

.tk-img{border-radius:14px;margin:28px 0;box-shadow:var(--shadow-md)}
.tk-fig{font-size:13.5px;color:var(--ink-3);text-align:center;margin:-18px 0 28px}

/* ---------- article meta ---------- */
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 8px;font-size:14px;color:var(--ink-3)}
.article-meta a{color:var(--teal-dark);font-weight:600}
.article-feature{border-radius:var(--radius-lg);overflow:hidden;margin:28px 0 36px;box-shadow:var(--shadow-md);line-height:0}
.article-feature img{width:100%}

.related{margin-top:64px;padding-top:40px;border-top:1px solid var(--line)}
.related h2{font-family:var(--font-display);color:var(--navy);font-size:22px;margin:0 0 20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.related-card span{display:block;padding:14px 16px 16px;font-weight:600;color:var(--navy-800);font-size:15px;line-height:1.5}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:44px;font-size:14.5px}
.post-nav a{color:var(--ink-2);max-width:46%}
.post-nav a:hover{color:var(--teal-dark)}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#C7D3E0;margin-top:0}
.footer-main{padding:72px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:40px;height:40px;border-radius:10px}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:-0.02em}
.footer-brand small{display:block;font-size:12px;font-weight:500;color:#8FA3BA}
.footer-col h3{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700}
.footer-col a{display:block;color:#AEBFD2;padding:5px 0;font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-note{font-size:13.5px;color:#8FA3BA;line-height:1.7;margin-top:8px;max-width:360px}
.legal-notice{margin:0;padding:24px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-left:3px solid var(--teal);border-radius:0 12px 12px 0;font-size:12.5px;color:#9FB2C6;line-height:1.8}
.legal-notice p{margin:6px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#8FA3BA}
.footer-bottom a{color:#AEBFD2}
.ai-notice-footer{font-size:12.5px;color:#8FA3BA;margin-top:12px}

/* ---------- generic cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}
.tk-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm)}
.tk-card h3{margin:14px 0 8px;font-size:17px;color:var(--navy-800);font-family:var(--font-display);font-weight:700}
.tk-card p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ---------- misc ---------- */
.entry-content img.aligncenter{display:block;margin-left:auto;margin-right:auto}
.entry-content .wp-caption{max-width:100%}
.screen-reader-text{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .related-grid,.card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .main-nav{display:none}
  .nav-toggle{display:block}
  .main-nav.open{display:flex;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px 22px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);align-items:stretch}
  .main-nav.open a{padding:13px 12px;font-size:16px;border-radius:10px}
  .header-cta{margin:6px 0 0}
  .page-hero{padding:48px 0 40px}
  .page-hero h1{font-size:30px}
  .entry-content{font-size:16px}
  .entry-content h2{font-size:22px;margin-top:44px}
  .related-grid,.card-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:32px}
  .tk-chart .row{grid-template-columns:100px 1fr 92px;gap:8px}
  .tk-chart .lbl{font-size:13px}
  .article-wrap{padding:40px 20px 72px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}