/*
Theme Name: Acsys Clean
Theme URI: https://acsysclean.zibsuri.com/
Author: Acsys Clean Design
Description: 시스템에어컨 청소 가격 정보 플랫폼 전용 프리미엄 테마. 8pt 디자인 시스템, Pretendard+Noto Serif KR 페어링, WCAG AA 대비.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: acsys-clean
*/

/* ===== Design Tokens ===== */
:root{
  --navy-900:#0F2A44;
  --navy-700:#123A5E;
  --blue-600:#2E7FD1;
  --mint-500:#38C6B4;
  --mint-600:#22a897;
  --ink:#1E2A33;
  --gray-800:#33424E;
  --gray-700:#5B6B7A;
  --gray-500:#8A97A3;
  --gray-300:#C4CDD5;
  --line:#E3EAF0;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FA;
  --bg-tint:#EAF3FB;
  --amber:#F0A500;
  --danger:#E2653F;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-sm:0 1px 3px rgba(15,42,68,.08);
  --shadow-md:0 8px 24px rgba(15,42,68,.10);
  --shadow-lg:0 20px 48px rgba(15,42,68,.14);
  --space-1:8px; --space-2:16px; --space-3:24px; --space-4:32px;
  --space-5:48px; --space-6:64px; --space-7:88px; --space-8:120px;
  --container:1180px;
  --text-col:760px;
  --font-body:'Pretendard',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR','Malgun Gothic',sans-serif;
  --font-display:'Noto Serif KR','Pretendard',serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:16px;line-height:1.7;letter-spacing:-.01em;
  color:var(--gray-800);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--navy-900)}
h1,h2,h3,h4,h5{font-family:var(--font-display);color:var(--navy-900);line-height:1.35;letter-spacing:-.015em;word-break:keep-all}
p{word-break:keep-all}
ul,ol{padding-left:1.4em}
li{margin-bottom:8px}
::selection{background:rgba(56,198,180,.25)}
:focus-visible{outline:3px solid var(--mint-500);outline-offset:2px;border-radius:4px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ===== Layout ===== */
.acs-container{max-width:var(--container);margin:0 auto;padding:0 var(--space-3)}
.acs-section{padding:var(--space-7) 0}
.acs-section--soft{background:var(--bg-soft)}
.acs-section--tint{background:var(--bg-tint)}
.acs-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--blue-600);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.acs-eyebrow::before{content:"";width:22px;height:2px;background:var(--mint-500);border-radius:2px}
.acs-section-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;margin-bottom:16px}
.acs-section-sub{font-size:17px;color:var(--gray-700);max-width:640px;line-height:1.7}

/* ===== Header ===== */
.acs-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.acs-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.acs-brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy-900);font-size:18px;letter-spacing:-.02em}
.acs-brand img{width:40px;height:40px;border-radius:10px}
.acs-brand small{display:block;font-size:11px;font-weight:600;color:var(--gray-500);letter-spacing:.02em}
.acs-nav{display:flex;align-items:center;gap:28px}
.acs-nav a{color:var(--gray-700);font-size:15px;font-weight:600;padding:8px 2px;position:relative}
.acs-nav a:hover{color:var(--navy-900)}
.acs-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--mint-500);transition:width .25s var(--ease)}
.acs-nav a:hover::after,.acs-nav .current-menu-item a::after{width:100%}
.acs-header__cta{display:inline-flex;align-items:center;gap:6px;background:var(--navy-900);color:#fff!important;padding:10px 20px!important;border-radius:999px;font-weight:700;font-size:14px;transition:background .2s var(--ease),transform .2s var(--ease)}
.acs-header__cta:hover{background:var(--blue-600);transform:translateY(-1px)}
.acs-nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;border-radius:8px}
.acs-nav-toggle span{display:block;width:22px;height:2px;background:var(--navy-900);margin:5px 0;border-radius:2px;transition:all .25s var(--ease)}
@media(max-width:960px){
  .acs-nav-toggle{display:block}
  .acs-nav{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px 24px 24px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .3s var(--ease);box-shadow:var(--shadow-lg)}
  .acs-nav.is-open{transform:translateY(0)}
  .acs-nav a{display:block;padding:14px 0;border-bottom:1px solid var(--line);width:100%;font-size:16px}
  .acs-nav .acs-header__cta{border-bottom:0;margin-top:12px;justify-content:center}
}

/* ===== Buttons ===== */
.acs-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:-.01em;transition:all .22s var(--ease);cursor:pointer;border:0;font-family:var(--font-body)}
.acs-btn--primary{background:var(--navy-900);color:#fff}
.acs-btn--primary:hover{background:var(--blue-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.acs-btn--mint{background:var(--mint-500);color:#fff}
.acs-btn--mint:hover{background:var(--mint-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.acs-btn--ghost{background:transparent;color:var(--navy-900);border:1.5px solid var(--line)}
.acs-btn--ghost:hover{border-color:var(--navy-900);background:var(--bg-soft)}
.acs-btn--lg{padding:16px 34px;font-size:16px;min-height:54px}
.acs-btn--sm{padding:8px 16px;min-height:40px;font-size:14px}

/* ===== Cards ===== */
.acs-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.acs-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.acs-card__title{font-size:19px;font-weight:700;margin-bottom:10px}
.acs-card__text{font-size:15px;color:var(--gray-700);line-height:1.65}

/* ===== Post / Page content ===== */
.acs-content{max-width:var(--text-col);margin:0 auto}
.acs-content p{font-size:17px;line-height:1.85;color:var(--gray-800);margin:0 0 1.4em}
.acs-content h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;margin:2.4em 0 .8em;padding-bottom:.5em;border-bottom:2px solid var(--line)}
.acs-content h2::before{content:"";display:inline-block;width:10px;height:22px;border-radius:3px;background:var(--mint-500);margin-right:12px;vertical-align:-3px}
.acs-content h3{font-size:21px;font-weight:700;margin:2em 0 .7em}
.acs-content ul,.acs-content ol{font-size:17px;line-height:1.8;color:var(--gray-800);margin:0 0 1.6em}
.acs-content li{margin-bottom:10px}
.acs-content blockquote{margin:1.8em 0;padding:20px 24px;border-left:4px solid var(--mint-500);background:var(--bg-soft);border-radius:0 var(--radius-md) var(--radius-md) 0;font-size:17px;color:var(--navy-700);line-height:1.8}
.acs-content blockquote.acs-quote::before{content:"“";display:block;font-size:34px;font-family:var(--font-display);color:var(--mint-500);line-height:1;margin-bottom:6px}
.acs-content strong{color:var(--navy-900)}

/* tables */
.acs-content table,.acs-table{width:100%;border-collapse:separate;border-spacing:0;margin:1.8em 0 1em;font-size:15px;line-height:1.6;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.acs-content table thead th,.acs-table thead th{background:var(--navy-900);color:#fff;font-weight:700;text-align:left;padding:13px 16px;letter-spacing:-.01em}
.acs-content table tbody td,.acs-table tbody td{padding:13px 16px;border-top:1px solid var(--line);vertical-align:top;color:var(--gray-800)}
.acs-content table tbody tr:nth-child(even),.acs-table tbody tr:nth-child(even){background:var(--bg-soft)}
.acs-table-wrap{overflow-x:auto;margin:1.8em 0 1em;border-radius:var(--radius-md)}
.acs-table-wrap .acs-table{margin:0}
.acs-caption{font-size:13px;color:var(--gray-500);margin:0 0 1.8em;line-height:1.6}

/* callout */
.acs-callout{background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#EAF1F8;border-radius:var(--radius-lg);padding:24px 26px;margin:1.8em 0;box-shadow:var(--shadow-md)}
.acs-callout .acs-callout-title{font-family:var(--font-display);color:#fff;font-size:16px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.acs-callout .acs-callout-title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint-500)}
.acs-callout p{margin:0;color:#D6E2EE;font-size:15px;line-height:1.75}

/* inline bars */
.acs-bars{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;margin:1.8em 0;display:flex;flex-direction:column;gap:14px}
.acs-bar-row{display:grid;grid-template-columns:130px 1fr 130px;align-items:center;gap:14px}
.acs-bar-label{font-size:14px;font-weight:700;color:var(--navy-900);text-align:right;white-space:nowrap}
.acs-bar-track{background:#E7EEF5;border-radius:999px;height:14px;overflow:hidden}
.acs-bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue-600),var(--mint-500));transition:width 1s var(--ease)}
.acs-bar-val{font-size:13px;font-weight:600;color:var(--gray-700);white-space:nowrap}
@media(max-width:640px){.acs-bar-row{grid-template-columns:1fr;gap:6px}.acs-bar-label{text-align:left}}

/* notices */
.acs-update{display:inline-block;font-size:13px;color:var(--gray-500);background:var(--bg-tint);border:1px dashed var(--blue-600);border-radius:999px;padding:8px 16px;margin:1.6em 0}
.legal-notice,.ai-notice{margin-top:2em}
.acs-content .legal-notice p,.acs-content .ai-notice p{margin:4px 0;font-size:.85em;line-height:1.7}

/* TOC (easy-table-of-contents) */
.ez-toc-container{background:var(--bg-soft)!important;border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;padding:16px 20px!important;box-shadow:none!important;margin:1.8em 0!important}
.ez-toc-title{color:var(--navy-900)!important;font-weight:700!important}
.ez-toc-list li a{color:var(--gray-700)!important}

/* ===== Single post ===== */
.acs-single-hero{background:linear-gradient(160deg,var(--navy-900),var(--navy-700));color:#fff;padding:64px 0 56px}
.acs-single-hero .acs-container{max-width:var(--text-col)}
.acs-single-hero .acs-badge{display:inline-block;background:rgba(56,198,180,.16);color:var(--mint-500);border:1px solid rgba(56,198,180,.4);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:16px}
.acs-single-hero h1{color:#fff;font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.3;margin-bottom:14px;word-break:keep-all}
.acs-single-hero .acs-meta{color:#A9C8E3;font-size:14px;display:flex;gap:16px;flex-wrap:wrap}
.acs-featured{margin-top:-40px;position:relative;z-index:2}
.acs-featured img{width:100%;max-width:var(--text-col);margin:0 auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:6px solid #fff}
.acs-related{margin-top:64px}
.acs-related h2{font-size:24px;font-weight:700;margin-bottom:20px}
.acs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.acs-post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease);display:flex;flex-direction:column}
.acs-post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.acs-post-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-tint)}
.acs-post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.acs-post-card:hover .acs-post-card__thumb img{transform:scale(1.05)}
.acs-post-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.acs-post-card__cat{font-size:12px;font-weight:700;color:var(--mint-600);letter-spacing:.04em}
.acs-post-card__title{font-size:17px;font-weight:700;color:var(--navy-900);line-height:1.45}
.acs-post-card__title a{color:inherit}
.acs-post-card__title a:hover{color:var(--blue-600)}
.acs-post-card__excerpt{font-size:14px;color:var(--gray-700);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.acs-post-card__more{margin-top:auto;font-size:13px;font-weight:700;color:var(--blue-600);display:inline-flex;align-items:center;gap:4px}

/* ===== Archive ===== */
.acs-archive-head{padding:56px 0 32px;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.acs-archive-head h1{font-size:clamp(26px,3.4vw,38px);margin-bottom:8px}
.acs-archive-grid{padding:48px 0 88px}

/* ===== Page ===== */
.acs-page{padding:56px 0 88px}
.acs-page h1{font-size:clamp(26px,3.4vw,38px);margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--line)}

/* ===== Footer ===== */
.acs-footer{background:var(--navy-900);color:#C7D4E0;padding:64px 0 0;margin-top:80px}
.acs-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:48px}
.acs-footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.acs-footer__brand img{width:44px;height:44px;border-radius:10px}
.acs-footer__brand strong{color:#fff;font-size:18px}
.acs-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.acs-footer ul{list-style:none;padding:0}
.acs-footer ul li{margin-bottom:10px}
.acs-footer ul a{color:#C7D4E0;font-size:14px}
.acs-footer ul a:hover{color:var(--mint-500)}
.acs-footer__legal{font-size:12px;color:#93A6B8;line-height:1.8}
.acs-footer__legal .legal-notice{background:rgba(255,255,255,.05);border-left-color:#5B7A99;border-radius:0 8px 8px 0;padding:12px 16px;margin:20px 0}
.acs-footer__legal .legal-notice p{margin:4px 0}
.acs-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA3B6}
@media(max-width:860px){.acs-footer__grid{grid-template-columns:1fr;gap:32px}}

/* ===== Motion ===== */
.acs-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.acs-reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .acs-reveal{opacity:1;transform:none}
}