/*
Theme Name: ATM Newsroom
Theme URI: https://aitrend.kr/
Author: AI Trend Master
Author URI: https://atm.ai.kr/
Description: JTBC식 뉴스룸 레이아웃에 ATM(AI Trend Master) 브랜드 톤앤매너를 입힌 워드프레스 뉴스 테마. 키컬러 시안(#01DCE3)과 딥네이비(#0A1628), Pretendard 기반. aitrend.kr 전용으로 제작.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: atm-newsroom
Tags: news, blog, two-columns, custom-logo, custom-menu, featured-images, right-sidebar, sticky-post, translation-ready
*/

/* =========================================================
   ATM Newsroom — Design tokens
   ========================================================= */
:root{
  --atm-cyan:#01DCE3;
  --atm-cyan-deep:#04B7BD;
  --atm-navy:#0A1628;
  --atm-navy-soft:#13233C;
  --atm-ink:#111827;
  --atm-sub:#5B6573;
  --atm-paper:#FFFFFF;
  --atm-mist:#F4F6F8;
  --atm-line:#E5E9EE;
  --atm-live:#FF3B5C;            /* 속보/단독 강조용 (키컬러와 구분) */
  --atm-wrap:1200px;
  --atm-radius:10px;
  --atm-shadow:0 8px 24px rgba(10,22,40,.08);
  --atm-font:"Pretendard","Pretendard Variable",-apple-system,BlinkMacSystemFont,
             "Apple SD Gothic Neo","Malgun Gothic","맑은 고딕",sans-serif;
}

/* =========================================================
   Reset / base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--atm-font);
  color:var(--atm-ink);
  background:var(--atm-paper);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--atm-cyan-deep);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;font-weight:800;}
button{font-family:inherit;cursor:pointer;}
.atm-wrap{max-width:var(--atm-wrap);margin:0 auto;padding:0 20px;}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}

/* =========================================================
   Utility bar (top)
   ========================================================= */
.atm-utility{background:var(--atm-navy);color:#AEBBCC;font-size:13px;}
.atm-utility .atm-wrap{display:flex;align-items:center;justify-content:space-between;height:38px;}
.atm-utility a{color:#AEBBCC;}
.atm-utility a:hover{color:var(--atm-cyan);}
.atm-utility__date{letter-spacing:.02em;}
.atm-utility__links{display:flex;gap:18px;align-items:center;}

/* =========================================================
   Masthead + primary nav
   ========================================================= */
.atm-masthead{position:sticky;top:0;z-index:50;background:var(--atm-paper);
  border-bottom:1px solid var(--atm-line);}
.atm-masthead .atm-wrap{display:flex;align-items:center;gap:28px;height:74px;}
.atm-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.atm-brand img{max-height:40px;width:auto;}
.atm-brand__word{font-weight:900;font-size:26px;letter-spacing:-.03em;color:var(--atm-navy);}
.atm-brand__word b{color:var(--atm-cyan-deep);}
.atm-brand__tag{font-size:11px;color:var(--atm-sub);letter-spacing:.14em;
  text-transform:uppercase;margin-top:2px;}

.atm-nav{flex:1 1 auto;}
.atm-nav ul{display:flex;gap:4px;flex-wrap:wrap;align-items:center;}
.atm-nav a{display:block;padding:10px 14px;font-weight:700;font-size:16px;
  color:var(--atm-ink);border-radius:6px;position:relative;}
.atm-nav a:hover{background:var(--atm-mist);color:var(--atm-navy);}
.atm-nav .current-menu-item > a,
.atm-nav .current_page_item > a{color:var(--atm-cyan-deep);}
.atm-nav .current-menu-item > a::after{content:"";position:absolute;left:14px;right:14px;
  bottom:2px;height:3px;background:var(--atm-cyan);border-radius:2px;}

.atm-search-btn{flex:0 0 auto;width:42px;height:42px;border-radius:50%;border:1px solid var(--atm-line);
  background:#fff;display:grid;place-items:center;color:var(--atm-navy);}
.atm-search-btn:hover{border-color:var(--atm-cyan);color:var(--atm-cyan-deep);}

/* mobile menu toggle */
.atm-burger{display:none;width:42px;height:42px;border:1px solid var(--atm-line);
  border-radius:8px;background:#fff;flex-direction:column;gap:4px;align-items:center;justify-content:center;}
.atm-burger span{width:18px;height:2px;background:var(--atm-navy);border-radius:2px;}

/* search drawer */
.atm-searchbar{display:none;border-bottom:1px solid var(--atm-line);background:var(--atm-mist);}
.atm-searchbar.is-open{display:block;}
.atm-searchbar .atm-wrap{padding:14px 20px;}
.atm-searchbar form{display:flex;gap:8px;}
.atm-searchbar input[type=search]{flex:1;height:46px;border:1px solid var(--atm-line);
  border-radius:8px;padding:0 16px;font-size:16px;font-family:inherit;}
.atm-searchbar button{height:46px;padding:0 22px;border:0;border-radius:8px;
  background:var(--atm-navy);color:#fff;font-weight:700;}

/* =========================================================
   Breaking ticker (signature)
   ========================================================= */
.atm-ticker{background:var(--atm-navy);color:#fff;border-bottom:3px solid var(--atm-cyan);}
.atm-ticker .atm-wrap{display:flex;align-items:center;gap:16px;height:46px;overflow:hidden;}
.atm-ticker__label{flex:0 0 auto;display:flex;align-items:center;gap:7px;
  font-weight:800;font-size:13px;letter-spacing:.04em;color:var(--atm-navy);
  background:var(--atm-cyan);padding:5px 12px;border-radius:4px;}
.atm-ticker__dot{width:7px;height:7px;border-radius:50%;background:var(--atm-navy);
  animation:atm-blink 1.1s infinite;}
@keyframes atm-blink{0%,100%{opacity:1}50%{opacity:.25}}
.atm-ticker__track{flex:1 1 auto;overflow:hidden;white-space:nowrap;}
.atm-ticker__list{display:inline-flex;gap:42px;animation:atm-marquee 32s linear infinite;}
.atm-ticker__list a{color:#D9E2EE;font-size:15px;font-weight:500;}
.atm-ticker__list a:hover{color:var(--atm-cyan);}
.atm-ticker:hover .atm-ticker__list{animation-play-state:paused;}
@keyframes atm-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* =========================================================
   Layout grid
   ========================================================= */
.atm-main{padding:30px 0 60px;}
.atm-top{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start;}

/* Hero */
.atm-hero__lead{display:block;margin-bottom:22px;}
.atm-hero__lead .atm-figure{position:relative;border-radius:var(--atm-radius);overflow:hidden;
  aspect-ratio:16/9;background:var(--atm-mist);}
.atm-hero__lead img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.atm-hero__lead:hover img{transform:scale(1.03);}
.atm-cat-chip{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.02em;
  color:var(--atm-navy);background:var(--atm-cyan);padding:4px 10px;border-radius:4px;}
.atm-hero__lead h2{font-size:30px;line-height:1.24;margin:14px 0 8px;color:var(--atm-navy);}
.atm-hero__lead:hover h2{color:var(--atm-cyan-deep);}
.atm-hero__lead .atm-dek{color:var(--atm-sub);font-size:16px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.atm-meta{font-size:13px;color:var(--atm-sub);margin-top:10px;display:flex;gap:10px;align-items:center;}

/* 1-column latest list (thumb + title + summary) */
.atm-hero__list{border-top:2px solid var(--atm-navy);margin-top:22px;}
.atm-listrow{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--atm-line);}
.atm-listrow .atm-figure{display:block;flex:0 0 220px;aspect-ratio:16/10;
  border-radius:8px;overflow:hidden;background:var(--atm-mist);position:relative;}
.atm-listrow .atm-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.atm-listrow .atm-figure::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--atm-cyan);transform:scaleX(0);transform-origin:left;transition:transform .35s ease;}
.atm-listrow:hover .atm-figure::after{transform:scaleX(1);}
.atm-listrow:hover .atm-figure img{transform:scale(1.04);}
.atm-listrow__body{flex:1 1 auto;min-width:0;}
.atm-listrow .atm-cat-text{font-size:12px;font-weight:800;color:var(--atm-cyan-deep);letter-spacing:.02em;}
.atm-listrow h3{font-size:19px;line-height:1.36;margin:6px 0 8px;color:var(--atm-navy);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.atm-listrow:hover h3{color:var(--atm-cyan-deep);}
.atm-listrow__dek{color:var(--atm-sub);font-size:14.5px;line-height:1.62;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.atm-listrow .atm-meta{margin-top:9px;}

/* =========================================================
   Sidebar — ranking + widgets
   ========================================================= */
.atm-side{position:sticky;top:90px;}
.atm-panel{border:1px solid var(--atm-line);border-radius:var(--atm-radius);
  overflow:hidden;margin-bottom:22px;background:#fff;}
.atm-panel__head{display:flex;align-items:center;gap:8px;background:var(--atm-navy);
  color:#fff;padding:13px 16px;font-weight:800;font-size:15px;}
.atm-panel__head .bar{width:4px;height:16px;background:var(--atm-cyan);border-radius:2px;}
.atm-rank{padding:6px 0;}
.atm-rank li{display:flex;gap:12px;align-items:flex-start;padding:11px 16px;
  border-bottom:1px solid var(--atm-line);}
.atm-rank li:last-child{border-bottom:0;}
.atm-rank .num{flex:0 0 24px;font-weight:900;font-size:18px;color:var(--atm-cyan-deep);
  font-style:italic;line-height:1.4;}
.atm-rank li:nth-child(n+4) .num{color:var(--atm-sub);}
.atm-rank a{font-size:15px;line-height:1.4;color:var(--atm-ink);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.atm-rank a:hover{color:var(--atm-cyan-deep);}

/* newsletter CTA */
.atm-cta{background:var(--atm-navy);color:#fff;border-radius:var(--atm-radius);
  padding:24px 20px;box-shadow:var(--atm-shadow);}
.atm-cta h4{font-size:18px;color:#fff;margin-bottom:6px;}
.atm-cta p{font-size:14px;color:#AEBBCC;margin:0 0 14px;}
.atm-cta a{display:block;text-align:center;background:var(--atm-cyan);color:var(--atm-navy);
  font-weight:800;padding:12px;border-radius:8px;}
.atm-cta a:hover{background:#fff;}

.atm-widget{border:1px solid var(--atm-line);border-radius:var(--atm-radius);padding:18px 16px;margin-bottom:22px;}
.atm-widget .widget-title{font-size:15px;font-weight:800;color:var(--atm-navy);
  margin:0 0 12px;padding-left:10px;border-left:4px solid var(--atm-cyan);}
.atm-widget a:hover{color:var(--atm-cyan-deep);}

/* =========================================================
   Desk section (category blocks) — signature header
   ========================================================= */
.atm-desk{margin-top:46px;}
.atm-desk__head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px;
  border-bottom:2px solid var(--atm-navy);padding-bottom:10px;}
.atm-desk__title{font-size:22px;font-weight:900;color:var(--atm-navy);letter-spacing:-.02em;
  position:relative;padding-left:16px;}
.atm-desk__title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:22px;background:var(--atm-cyan);border-radius:2px;}
.atm-desk__more{margin-left:auto;font-size:14px;font-weight:700;color:var(--atm-sub);}
.atm-desk__more:hover{color:var(--atm-cyan-deep);}

.atm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.atm-card .atm-figure{display:block;aspect-ratio:16/10;border-radius:8px;overflow:hidden;background:var(--atm-mist);position:relative;}
.atm-card .atm-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.atm-card:hover .atm-figure img{transform:scale(1.05);}
.atm-card .atm-figure::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--atm-cyan);transform:scaleX(0);transform-origin:left;transition:transform .35s ease;}
.atm-card:hover .atm-figure::after{transform:scaleX(1);}
.atm-card h3{font-size:17px;line-height:1.36;margin:11px 0 6px;color:var(--atm-navy);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.atm-card:hover h3{color:var(--atm-cyan-deep);}
.atm-card .atm-cat-text{font-size:12px;font-weight:800;color:var(--atm-cyan-deep);letter-spacing:.02em;}
.atm-card .atm-meta{margin-top:4px;}

/* =========================================================
   Dark editor-pick band
   ========================================================= */
.atm-band{background:var(--atm-navy);margin-top:54px;padding:40px 0;
  background-image:radial-gradient(900px 300px at 80% -10%,rgba(1,220,227,.18),transparent);}
.atm-band__head{display:flex;align-items:center;gap:10px;margin-bottom:22px;}
.atm-band__head .tag{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--atm-navy);
  background:var(--atm-cyan);padding:5px 11px;border-radius:4px;}
.atm-band__head h2{color:#fff;font-size:22px;}
.atm-band .atm-grid h3{color:#fff;}
.atm-band .atm-card:hover h3{color:var(--atm-cyan);}
.atm-band .atm-meta{color:#7E8DA3;}

/* =========================================================
   Article (single) + archive
   ========================================================= */
.atm-article{max-width:760px;margin:0 auto;padding:36px 0 50px;}
.atm-article__cat{display:inline-block;font-size:13px;font-weight:800;color:var(--atm-cyan-deep);
  letter-spacing:.02em;margin-bottom:12px;}
.atm-article__title{font-size:34px;line-height:1.26;color:var(--atm-navy);margin-bottom:14px;}
.atm-article__meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;color:var(--atm-sub);
  font-size:14px;border-bottom:1px solid var(--atm-line);padding-bottom:18px;margin-bottom:24px;}
.atm-article__hero{border-radius:var(--atm-radius);overflow:hidden;margin-bottom:28px;}
.atm-content{font-size:17px;line-height:1.85;color:#1c2430;}
.atm-content p{margin:0 0 1.25em;}
.atm-content h2{font-size:25px;color:var(--atm-navy);margin:1.6em 0 .6em;padding-left:14px;
  border-left:5px solid var(--atm-cyan);}
.atm-content h3{font-size:21px;color:var(--atm-navy);margin:1.4em 0 .5em;}
.atm-content a{color:var(--atm-cyan-deep);text-decoration:underline;text-underline-offset:3px;}
.atm-content img{border-radius:8px;margin:1.2em 0;}
.atm-content blockquote{margin:1.4em 0;padding:14px 20px;background:var(--atm-mist);
  border-left:5px solid var(--atm-cyan);border-radius:0 8px 8px 0;color:#2a3340;}
.atm-content figure{margin:1.4em 0;}
.atm-content ul,.atm-content ol{margin:0 0 1.25em;padding-left:1.3em;}
.atm-content li{margin:.3em 0;}
.atm-tags{margin:30px 0;display:flex;flex-wrap:wrap;gap:8px;}
.atm-tags a{font-size:13px;background:var(--atm-mist);color:var(--atm-sub);
  padding:6px 12px;border-radius:20px;font-weight:600;}
.atm-tags a:hover{background:var(--atm-cyan);color:var(--atm-navy);}

.atm-related{border-top:1px solid var(--atm-line);padding-top:26px;margin-top:14px;}

/* archive header */
.atm-archive-head{border-bottom:2px solid var(--atm-navy);padding:26px 0 16px;margin-bottom:28px;}
.atm-archive-head h1{font-size:28px;color:var(--atm-navy);position:relative;padding-left:18px;}
.atm-archive-head h1::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:7px;height:26px;background:var(--atm-cyan);border-radius:2px;}
.atm-archive-head p{color:var(--atm-sub);margin:8px 0 0;}
.atm-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}

/* pagination */
.atm-pagination{margin:44px 0 0;text-align:center;}
.atm-pagination .page-numbers{display:inline-grid;place-items:center;min-width:42px;height:42px;
  padding:0 8px;margin:0 3px;border:1px solid var(--atm-line);border-radius:8px;font-weight:700;color:var(--atm-ink);}
.atm-pagination .page-numbers.current{background:var(--atm-navy);color:#fff;border-color:var(--atm-navy);}
.atm-pagination a.page-numbers:hover{border-color:var(--atm-cyan);color:var(--atm-cyan-deep);}

/* =========================================================
   Footer
   ========================================================= */
.atm-footer{background:var(--atm-navy);color:#9AA8BC;margin-top:60px;padding:46px 0 30px;}
.atm-footer__top{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;
  padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.08);}
.atm-footer__brand .atm-brand__word{color:#fff;}
.atm-footer__brand p{max-width:340px;font-size:14px;margin:12px 0 0;color:#7E8DA3;}
.atm-footer__cols{display:flex;gap:48px;flex-wrap:wrap;}
.atm-footer__cols h5{color:#fff;font-size:14px;margin:0 0 12px;letter-spacing:.02em;}
.atm-footer__cols a{display:block;font-size:14px;padding:5px 0;color:#9AA8BC;}
.atm-footer__cols a:hover{color:var(--atm-cyan);}
.atm-footer__bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  align-items:center;padding-top:22px;font-size:13px;color:#6B7A90;}
.atm-social{display:flex;gap:14px;}
.atm-social a{color:#9AA8BC;}
.atm-social a:hover{color:var(--atm-cyan);}

/* =========================================================
   Responsive
   ========================================================= */
@media(max-width:1024px){
  .atm-grid{grid-template-columns:repeat(2,1fr);}
  .atm-list-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:880px){
  .atm-top{grid-template-columns:1fr;}
  .atm-side{position:static;}
  .atm-nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--atm-line);box-shadow:var(--atm-shadow);}
  .atm-nav.is-open{display:block;}
  .atm-nav ul{flex-direction:column;padding:8px 12px;}
  .atm-nav a{padding:13px 10px;}
  .atm-burger{display:flex;}
  .atm-masthead .atm-wrap{justify-content:space-between;}
}
@media(max-width:560px){
  body{font-size:15px;}
  .atm-hero__lead h2{font-size:23px;}
  .atm-listrow{gap:14px;}
  .atm-listrow .atm-figure{flex-basis:130px;}
  .atm-listrow h3{font-size:16px;}
  .atm-listrow__dek{display:none;}
  .atm-grid,.atm-list-grid{grid-template-columns:1fr;}
  .atm-article__title{font-size:26px;}
  .atm-utility__links{gap:12px;}
  .atm-utility__date{display:none;}
}

/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}