/* =============================================
   승대지질 블로그 — 에디토리얼 매거진 스타일
   홈페이지(다크 네이비/금) 와 완전 반대 컨셉
   크림 흰색 + 숲빛 그린 + 따뜻한 흙빛 브라운
   ============================================= */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#FAFAF7;
  --bg2:#F2EDE6;
  --bg3:#E8E0D6;
  --ink:#1A1A18;
  --ink2:#3C3A36;
  --ink3:#6B6560;
  --green:#2D5A27;
  --green2:#3D7A35;
  --green3:#5A9E50;
  --earth:#7A4F2D;
  --earth2:#9E6B42;
  --cream:#FDF8F1;
  --line:#D8D0C4;
  --line2:#EDE8E0;
  --shadow:0 2px 16px rgba(26,26,24,.07);
  --shadow2:0 8px 40px rgba(26,26,24,.13);
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR','Malgun Gothic',sans-serif;color:var(--ink);background:var(--bg);overflow-x:hidden;line-height:1.7}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:#f0ebe4}
::-webkit-scrollbar-thumb{background:var(--green);border-radius:2px}

/* 읽기 진행바 */
.read-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--green),var(--earth2));z-index:9999;width:0%;transition:width .12s}

/* ======= NAV ======= */
nav{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid var(--line);transition:.3s}
nav.shadow{box-shadow:0 2px 16px rgba(0,0,0,.07)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 32px;gap:16px}

/* 블로그 전용 로고 (홈피 로고와 완전히 다르게) */
.blog-nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo-mark{width:34px;height:34px;background:var(--green);border-radius:8px;display:grid;place-items:center}
.logo-mark svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.logo-mark-brand{width:38px;height:38px;background:none;border-radius:0}
.logo-mark-brand svg{width:38px;height:38px;fill:initial;stroke:initial;stroke-width:initial}
.logo-text-block{display:flex;flex-direction:column;line-height:1.15}
.logo-text-block strong{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.logo-text-block span{font-size:10px;color:var(--ink3);font-weight:600;letter-spacing:.8px;text-transform:uppercase}

/* 중앙 카테고리 버튼 */
.nav-cats{display:flex;align-items:center;gap:2px}
.nav-cat{font-size:13px;color:var(--ink3);font-weight:500;padding:6px 13px;border-radius:20px;cursor:pointer;transition:.2s;border:none;background:none;text-decoration:none;font-family:inherit}
.nav-cat:hover,.nav-cat.active{color:var(--green);background:rgba(45,90,39,.07)}

/* 우측 */
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-home{font-size:13px;color:var(--ink3);text-decoration:none;display:flex;align-items:center;gap:5px;padding:6px 12px;border:1px solid var(--line);border-radius:6px;transition:.2s;font-weight:500}
.nav-home:hover{color:var(--ink);border-color:var(--ink3)}
.nav-call{font-size:13px;font-weight:700;color:#fff;text-decoration:none;display:flex;align-items:center;gap:6px;padding:7px 16px;background:var(--green);border-radius:6px;transition:.2s}
.nav-call:hover{background:var(--green2)}

/* 섹션 최대폭 */
.sec{max-width:1200px;margin:0 auto;padding:0 32px}

/* ======= 블로그 히어로 ======= */
.bhero{background:var(--cream);border-bottom:2px solid var(--line);padding:72px 0 56px}
.bhero-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1fr 380px;gap:64px;align-items:center}
.bhero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(45,90,39,.1);color:var(--green);border-radius:4px;padding:5px 12px;font-size:11px;font-weight:700;letter-spacing:1.5px;margin-bottom:20px;text-transform:uppercase}
.bhero-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--green3);animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.bhero h1{font-size:clamp(32px,4vw,52px);font-weight:900;line-height:1.15;letter-spacing:-2px;color:var(--ink);margin-bottom:16px}
.bhero h1 em{font-style:normal;color:var(--green)}
.bhero-desc{font-size:15px;color:var(--ink3);line-height:1.85;max-width:500px;margin-bottom:36px;word-break:keep-all}
.bhero-kpi{display:flex;gap:32px}
.bkpi{display:flex;flex-direction:column;gap:2px}
.bkpi-num{font-size:28px;font-weight:900;color:var(--ink);letter-spacing:-1px;line-height:1}
.bkpi-num em{color:var(--green);font-style:normal}
.bkpi-label{font-size:11px;font-weight:600;color:var(--ink3);letter-spacing:.5px}
.bkpi-divider{width:1px;background:var(--line);align-self:stretch}

/* 우측 최신글 패널 */
.side-panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.side-panel-title{font-size:11px;font-weight:700;color:var(--ink3);letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line2)}
.side-items{display:flex;flex-direction:column;gap:10px}
.side-item{display:flex;gap:12px;padding:10px;border-radius:8px;text-decoration:none;color:var(--ink);transition:.2s;border:1px solid transparent}
.side-item:hover{background:var(--bg);border-color:var(--line)}
.side-thumb{width:60px;height:60px;border-radius:7px;object-fit:cover;flex-shrink:0;background:var(--bg2)}
.side-nothumb{width:60px;height:60px;border-radius:7px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:#fff;line-height:1.3;text-align:center;padding:4px}
.side-info{flex:1;min-width:0}
.side-cat{font-size:10px;font-weight:700;color:var(--green);letter-spacing:.5px;margin-bottom:3px}
.side-ttl{font-size:13px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--ink)}
.side-date{font-size:11px;color:var(--ink3);margin-top:4px}

/* ======= 필터바 ======= */
.filter-section{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:64px;z-index:800}
.filter-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:4px;height:50px;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.fpill{flex-shrink:0;padding:5px 16px;border-radius:20px;font-size:13px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:.2s;color:var(--ink3);background:transparent;white-space:nowrap}
.fpill:hover{color:var(--ink);border-color:var(--line)}
.fpill.active{color:var(--green);border-color:var(--green);background:rgba(45,90,39,.06)}

/* ======= 섹션 레이블 ======= */
.eyebrow{font-size:11px;font-weight:700;color:var(--green);letter-spacing:2.5px;text-transform:uppercase;margin-bottom:10px}
.sec-title{font-size:clamp(22px,2.8vw,28px);font-weight:900;color:var(--ink);letter-spacing:-1px;margin-bottom:28px}
.sec-title .g{color:var(--green)}

/* ======= 피처드 카드 ======= */
.featured-wrap{padding:48px 0 28px}
.featured-card{display:grid;grid-template-columns:1.15fr .85fr;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;color:var(--ink);transition:.3s}
.featured-card:hover{box-shadow:var(--shadow2);transform:translateY(-3px)}
.featured-img-wrap{position:relative;min-height:320px;background:var(--bg2);overflow:hidden}
.featured-img-wrap img{width:100%;height:100%;object-fit:cover;transition:.6s}
.featured-card:hover .featured-img-wrap img{transform:scale(1.04)}
.featured-noimg{width:100%;min-height:320px;display:flex;align-items:center;justify-content:center}
.f-noimg-inner{width:100%;height:100%;min-height:320px;display:flex;align-items:center;justify-content:center}
.featured-flag{position:absolute;top:16px;left:16px;background:var(--green);color:#fff;font-size:10px;font-weight:800;letter-spacing:2px;padding:4px 10px;border-radius:4px;text-transform:uppercase}
.featured-body{padding:36px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.f-cat{display:inline-block;font-size:11px;font-weight:700;color:var(--green);letter-spacing:1px;text-transform:uppercase;padding:3px 10px;background:rgba(45,90,39,.08);border-radius:4px;width:fit-content}
.featured-body h3{font-size:clamp(18px,2vw,23px);font-weight:800;line-height:1.4;letter-spacing:-.5px;color:var(--ink)}
.featured-body p{font-size:14px;color:var(--ink3);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.f-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--ink3);flex-wrap:wrap}
.f-meta span{display:flex;align-items:center;gap:4px}
.f-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--green);margin-top:4px;text-decoration:none}
.f-link::after{content:'→';transition:.25s}
.featured-card:hover .f-link::after{transform:translateX(5px)}

/* ======= 포스트 그리드 ======= */
.posts-section{padding:8px 0 60px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

.post-card{background:#fff;border-radius:12px;border:1px solid var(--line);overflow:hidden;text-decoration:none;color:var(--ink);transition:.25s;display:flex;flex-direction:column}
.post-card:hover{box-shadow:var(--shadow2);border-color:var(--line2);transform:translateY(-3px)}
.post-img-wrap{position:relative;height:190px;overflow:hidden;background:var(--bg2)}
.post-img-wrap img{width:100%;height:100%;object-fit:cover;transition:.5s}
.post-card:hover .post-img-wrap img{transform:scale(1.05)}
.post-noimg{width:100%;height:190px;display:flex;align-items:center;justify-content:center}
.post-noimg span{font-size:12px;font-weight:700;color:rgba(255,255,255,.8);letter-spacing:.5px}
.cat-badge{position:absolute;bottom:10px;left:10px;font-size:10px;font-weight:700;padding:3px 9px;border-radius:4px;letter-spacing:.5px}
.cat-지하수개발{background:#1a6fa8;color:#fff}
.cat-지질조사{background:var(--earth);color:#fff}
.cat-보링그라우팅{background:var(--green);color:#fff}
.cat-시공사례{background:#5c3d7a;color:#fff}
.cat-사후관리{background:#1a7a5a;color:#fff}
.cat-안성이야기{background:#8b4500;color:#fff}

.post-body{padding:18px 18px 14px;flex:1;display:flex;flex-direction:column;gap:7px}
.post-body h4{font-size:15px;font-weight:700;line-height:1.5;letter-spacing:-.3px;color:var(--ink);flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:13px;color:var(--ink3);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;border-top:1px solid var(--line2);background:var(--bg)}
.post-date{font-size:11px;color:var(--ink3)}
.post-arrow{font-size:12px;color:var(--green);font-weight:700;transition:.2s}
.post-card:hover .post-arrow{transform:translateX(4px)}

/* 더보기 */
.load-more-wrap{text-align:center;padding:32px 0}
.load-more-btn{padding:12px 36px;border:2px solid var(--green);color:var(--green);background:transparent;font-size:14px;font-weight:700;border-radius:8px;cursor:pointer;transition:.2s;font-family:inherit}
.load-more-btn:hover{background:var(--green);color:#fff}
.load-more-btn:focus{outline:none}

/* ======= CTA ======= */
.cta-section{background:linear-gradient(135deg,var(--green) 0%,#1e3d1a 100%);padding:60px 0}
.cta-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h3{font-size:clamp(20px,2.5vw,26px);font-weight:800;color:#fff;letter-spacing:-.5px;margin-bottom:8px}
.cta-text p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.75;word-break:keep-all}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--green);font-size:15px;font-weight:800;padding:14px 28px;border-radius:8px;text-decoration:none;transition:.2s;white-space:nowrap;flex-shrink:0}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,.2)}

/* ======= FOOTER ======= */
footer{background:var(--ink);color:rgba(255,255,255,.65);padding:52px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand strong{display:block;font-size:15px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.5)}
.footer-col h5{font-size:11px;font-weight:700;color:rgba(255,255,255,.35);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.55);text-decoration:none;margin-bottom:9px;transition:.2s}
.footer-col a:hover{color:#fff}
.footer-bottom{padding:18px 0;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.3);flex-wrap:wrap;gap:8px}
.sns-row{display:flex;gap:12px;margin-bottom:22px}
.sns-btn{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.25s;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.sns-btn svg{width:20px;height:20px}
.sns-btn:hover{transform:translateY(-3px) scale(1.06)}
.sns-fb{background:#1877F2}
.sns-ig{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285AEB 90%)}
.sns-naver{background:#03C75A}
.sns-home{background:linear-gradient(135deg,#FFD166,#C8921A)}
.footer-logo-line{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.footer-mark{width:28px;height:28px;background:var(--green);border-radius:6px;display:grid;place-items:center}
.footer-mark svg{width:15px;height:15px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.footer-mark-text{font-size:14px;font-weight:800;color:#fff}
.sns-row{display:flex;gap:12px;margin-top:16px}
.sns-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.25s;flex-shrink:0}
.sns-btn svg{width:19px;height:19px}
.sns-btn:hover{transform:translateY(-3px);filter:brightness(1.1)}
.sns-fb{background:#1877F2}
.sns-ig{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285AEB 90%)}
.sns-blog{background:#03C75A}

/* ======= 빈 상태 ======= */
.empty-state{grid-column:1/-1;text-align:center;padding:80px 20px;color:var(--ink3)}
.empty-state h4{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--ink2)}

/* ======= 스크롤 애니메이션 ======= */
.reveal{opacity:0;transform:translateY(16px);transition:.5s ease}
.reveal.on{opacity:1;transform:none}
.d1{transition-delay:.05s}.d2{transition-delay:.12s}.d3{transition-delay:.2s}.d4{transition-delay:.28s}

/* ======= 반응형 ======= */
@media(max-width:1024px){
  .bhero-inner{grid-template-columns:1fr;gap:36px}
  .side-panel{display:none}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .featured-card{grid-template-columns:1fr}
  .featured-img-wrap,.featured-noimg,.f-noimg-inner{min-height:220px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-inner{padding:0 16px;height:56px}
  .nav-cats{display:none}
  .sec{padding:0 16px}
  .bhero{padding:44px 0 36px}
  .bhero-inner{padding:0 16px}
  .bhero-kpi{gap:20px}
  .filter-inner{padding:0 16px}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;text-align:center}
  .footer-bottom{flex-direction:column;text-align:center}
}