/* =====================================================================
   guide.css — AEO/GEO 정보성 가이드 페이지 전용 스타일
   서비스/지역 페이지와 다른 레이아웃(타임라인·체크리스트·표·읽기진행바)으로
   구조적 유사도를 낮추고, 체류시간을 늘리는 스크롤 애니메이션을 더한다.
   ===================================================================== */

/* 읽기 진행바 */
.gd-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:1200;background:rgba(0,0,0,.06)}
.gd-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .1s linear}

/* 히어로: 애니메이션 그라디언트 */
.gd-hero{position:relative;overflow:hidden;padding:calc(clamp(90px,12vw,150px)) 0 clamp(48px,6vw,72px);color:#fff;
  background:linear-gradient(120deg,var(--secondary),var(--primary-dark),var(--secondary));background-size:220% 220%;
  animation:gdGradient 14s ease infinite}
@keyframes gdGradient{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.gd-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(242,169,59,.18),transparent 55%)}
.gd-hero-inner{position:relative;z-index:1;max-width:820px}
.gd-h1{font-size:clamp(28px,5vw,48px);color:#fff;margin:.15em 0 .3em}
.gd-hero-sub{font-size:clamp(15px,1.8vw,19px);color:rgba(255,255,255,.88);max-width:680px}
.gd-meta-row{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:20px}
.gd-meta-item{font-size:13px;color:rgba(255,255,255,.72);padding:6px 14px;border:1px solid rgba(255,255,255,.28);border-radius:20px}

/* 목차 */
.gd-toc{display:none}
.gd-toc-label{display:block;font-family:var(--font-display);font-weight:800;font-size:11px;letter-spacing:.2em;color:var(--primary);margin-bottom:8px}
.gd-toc-list{display:flex;flex-wrap:wrap;gap:6px 4px}
.gd-toc-list li{list-style:none}
.gd-toc-list a{display:inline-block;padding:6px 13px;font-size:13px;font-weight:600;color:var(--text-body);
  border:1px solid var(--border);border-radius:20px;transition:var(--transition);white-space:nowrap}
.gd-toc-list a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

.gd-body{max-width:820px;padding-top:clamp(40px,6vw,64px);padding-bottom:clamp(40px,6vw,64px)}

/* 섹션 */
.gd-section{position:relative;padding:clamp(28px,4vw,44px) 0;border-bottom:1px solid var(--border)}
.gd-section-num{display:block;font-family:var(--font-display);font-weight:800;font-size:13px;color:var(--primary);letter-spacing:.12em;margin-bottom:10px}
.gd-h2{font-size:clamp(22px,3vw,30px);margin-bottom:.5em}
.gd-p{font-size:clamp(15.5px,1.7vw,17px);line-height:1.9;color:var(--text-body);margin-bottom:1.1em}
.gd-p:last-child{margin-bottom:0}
.gd-p strong{color:var(--text-dark)}

/* 체크리스트 */
.gd-checklist{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.gd-checklist li{display:flex;gap:14px;align-items:flex-start;padding:14px 18px;background:var(--bg-cream);border:1px solid var(--border);
  border-left:3px solid var(--accent);transition:transform .3s}
.gd-checklist li:hover{transform:translateX(4px)}
.gd-check-ico{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.gd-checklist b{display:block;font-size:15px;color:var(--text-dark);margin-bottom:2px}
.gd-checklist span{font-size:13.5px;color:var(--text-body)}

/* 표 */
.gd-table-wrap{margin-top:20px;overflow-x:auto;border:1px solid var(--border)}
.gd-table{width:100%;border-collapse:collapse;min-width:420px}
.gd-table th,.gd-table td{padding:12px 16px;font-size:14px;text-align:left;border-bottom:1px solid var(--border)}
.gd-table th{background:var(--secondary);color:#fff;font-family:var(--font-display);font-weight:700;white-space:nowrap}
.gd-table tbody tr:nth-child(even){background:var(--bg-cream)}
.gd-table tbody tr:hover{background:var(--bg-sand)}

/* 타임라인 */
.gd-timeline{margin-top:24px;padding-left:6px;border-left:2px solid var(--bg-beige);display:flex;flex-direction:column;gap:22px}
.gd-timeline-item{position:relative;padding-left:24px}
.gd-timeline-dot{position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px #fff}
.gd-timeline-item b{display:block;font-size:15.5px;color:var(--text-dark);margin-bottom:3px}
.gd-timeline-item span{font-size:14px;color:var(--text-body)}

/* 인용 이미지 */
.gd-figure{margin:24px 0 0}
.gd-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--border)}
.gd-figure figcaption{margin-top:8px;font-size:13px;color:var(--text-light)}

/* 통계 스트립 */
.gd-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:clamp(28px,4vw,40px) 0;margin-top:8px}
.gd-stat{text-align:center;padding:clamp(18px,2.4vw,26px) 10px;background:var(--secondary);color:#fff}
.gd-stat-num{display:block;font-family:var(--font-display);font-weight:800;font-size:clamp(20px,2.6vw,26px)}
.gd-stat-label{display:block;margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.78)}

/* 결론 + CTA */
.gd-conclusion{padding:clamp(32px,4.5vw,48px) 0;text-align:center;border-top:1px solid var(--border)}
.gd-conclusion .gd-p{max-width:640px;margin-left:auto;margin-right:auto}
.gd-conclusion .btn-primary{margin-top:18px}

.gd-faq{padding-top:clamp(28px,4vw,44px)}
.gd-related{padding-top:clamp(28px,4vw,44px)}

@media (max-width:640px){
  .gd-stats{grid-template-columns:1fr 1fr}
}