/* 경이의목록 — 공통 스타일 (tim.blog 화이트 에디토리얼 톤) */
:root{
  --bg:#ffffff; --bg2:#f6f7f9; --panel:#ffffff; --line:#e6e8ee;
  --ink:#16202e;        /* 제목 (네이비-차콜) */
  --body:#39414e;       /* 본문 */
  --muted:#7c8794;      /* 날짜·보조 */
  --navy:#0c2a4a; --navy2:#081627;   /* 헤더·버튼 */
  --ac:#15617a;         /* 링크/악센트 (딥 틸) */
  --green:#1f8a4c; --amber:#a9781a; --red:#c0392b;
  --display:"Poppins","Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --sans:"Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--sans);line-height:1.85;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--ac);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
.wrap-wide{max-width:1140px;margin:0 auto;padding:0 24px}

/* ── 상단 내비 (짙은 네이비 바) ── */
.site-nav{position:sticky;top:0;z-index:20;background:linear-gradient(105deg,var(--navy),var(--navy2));border-bottom:1px solid rgba(255,255,255,.06)}
.site-nav .bar{display:flex;align-items:center;justify-content:space-between;max-width:1140px;margin:0 auto;padding:15px 24px}
.brand{font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:.06em;color:#fff;display:flex;gap:9px;align-items:center;text-transform:uppercase}
.brand:hover{text-decoration:none}
.brand .dot{width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#fff,#9cc2ff);box-shadow:0 0 10px rgba(156,194,255,.7)}
.brand small{display:block;font-family:var(--sans);font-weight:500;font-size:.6rem;letter-spacing:.24em;color:rgba(255,255,255,.6);margin-top:2px}
.site-nav nav{display:flex;gap:26px;font-size:.95rem}
.site-nav nav a{color:rgba(255,255,255,.82);font-weight:500}
.site-nav nav a:hover{color:#fff;text-decoration:none}
@media(max-width:560px){.site-nav nav{gap:16px;font-size:.86rem}.brand small{display:none}}

/* ── 인사말(에세이 도입) — 화이트 ── */
.greeting{background:var(--bg);border-bottom:1px solid var(--line)}
.greeting .inner{padding:64px 0 50px}
.greeting .kicker{color:var(--ac);font-weight:700;letter-spacing:.18em;font-size:.72rem;text-transform:uppercase}
.greeting h1{font-family:var(--display);font-size:2.5rem;line-height:1.25;margin:.32em 0 .5em;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.greeting p{color:var(--body);font-size:1.1rem;margin:.7em 0;max-width:64ch}
.greeting .sign{margin-top:18px;color:var(--muted);font-size:.96rem;font-style:italic}

/* ── 섹션 제목 ── */
.section{padding:50px 0 8px}
.section h2{font-family:var(--display);font-size:1.85rem;font-weight:800;color:var(--ink);margin:0 0 4px;letter-spacing:-.02em}
.section .sub{color:var(--muted);font-size:.95rem;margin:0 0 24px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:8px}
.section-head .sub{margin:6px 0 0}
.pillbtn{flex:none;background:var(--navy);color:#fff;font-weight:700;border-radius:999px;padding:11px 20px;font-size:.9rem}
.pillbtn:hover{text-decoration:none;background:var(--navy2)}

/* ── 글 카드 그리드 ── */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px}
.post-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 1px 3px rgba(16,24,40,.05);transition:.18s box-shadow,.18s transform,.18s border-color}
.post-card:hover{box-shadow:0 12px 30px rgba(16,24,40,.12);transform:translateY(-3px);border-color:#d4d8e0;text-decoration:none}
.post-card .thumb{aspect-ratio:16/10;background:#0b1626 center/cover no-repeat}
.post-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .meta{color:var(--muted);font-size:.8rem;letter-spacing:.02em}
.post-card .pill{align-self:flex-start;font-size:.7rem;font-weight:700;color:var(--navy);background:#eaf0f7;border-radius:999px;padding:3px 11px}
.post-card h3{font-family:var(--display);font-size:1.24rem;line-height:1.34;margin:2px 0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.post-card p{color:var(--body);font-size:.92rem;margin:0;line-height:1.6}
.post-card.soon{opacity:.85}
.post-card.soon .thumb{background:linear-gradient(135deg,#0c2a4a,#102b46);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:.86rem;letter-spacing:.04em}

/* ── 주제 기둥 ── */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.pillar{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:22px 22px 24px}
.pillar .ic{font-size:1.55rem}
.pillar h3{font-family:var(--display);font-size:1.18rem;color:var(--ink);margin:10px 0 4px;font-weight:700}
.pillar .desc{color:var(--muted);font-size:.88rem;margin:0 0 12px}
.pillar ul{margin:0;padding:0;list-style:none;font-size:.93rem}
.pillar li{padding:8px 0;border-top:1px solid var(--line)}
.pillar li a{color:var(--ink);font-weight:500} .pillar li a:hover{color:var(--ac)}
.pillar li.tba{color:var(--muted)}

/* ── CTA ── */
.cta{margin:60px 0;background:linear-gradient(105deg,var(--navy),var(--navy2));border-radius:18px;padding:44px 28px;text-align:center}
.cta h2{font-family:var(--display);color:#fff;font-size:1.7rem;margin:0 0 8px;font-weight:800}
.cta p{color:rgba(255,255,255,.78);margin:0 auto 20px;max-width:48ch}
.btn{display:inline-block;background:#fff;color:var(--navy);font-weight:700;border-radius:999px;padding:12px 24px;font-size:.95rem}
.btn:hover{text-decoration:none;filter:brightness(.96)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);margin-left:8px}

/* ── 푸터 ── */
.site-footer{border-top:1px solid var(--line);padding:34px 0 80px;color:var(--muted);font-size:.85rem;background:var(--bg2)}
.site-footer .row{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between}
.site-footer a{color:var(--muted)}

/* ════════ 글(아티클) — 화이트 ════════ */
.article header.hero{padding:50px 0 24px;border-bottom:1px solid var(--line);
  background:radial-gradient(1100px 340px at 50% -20%,rgba(12,42,74,.06),transparent)}
.article .kicker{color:var(--ac);font-weight:700;letter-spacing:.12em;font-size:.76rem;text-transform:uppercase}
.article h1{font-family:var(--display);font-size:2.3rem;line-height:1.28;margin:.35em 0 .3em;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.article .dek{color:var(--muted);font-size:1.08rem}
.article .by{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;font-size:.84rem;color:var(--muted)}
.article .by b{color:var(--ink)}
.embed{margin:24px 0;border:1px dashed var(--line);border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--bg2);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem;text-align:center;padding:18px}
.embed iframe{width:100%;height:100%;border:0}
.tldr{background:#f3f6fb;border:1px solid var(--line);border-left:4px solid var(--navy);border-radius:12px;padding:16px 20px;margin:24px 0;color:var(--body)}
.tldr b{color:var(--ink)}
nav.toc{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:24px 0;font-size:.95rem}
nav.toc h3{margin:0 0 8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
nav.toc ol{margin:0;padding-left:20px} nav.toc a{color:var(--ink)} nav.toc a:hover{color:var(--ac)}
.article section{padding:14px 0}
.article h2{font-family:var(--display);font-size:1.6rem;margin:1.4em 0 .3em;font-weight:800;letter-spacing:-.01em;scroll-margin-top:74px;color:var(--ink)}
.article h2 .n{color:var(--ac);margin-right:8px;font-variant-numeric:tabular-nums}
.article p{margin:.9em 0}
.article b{color:var(--ink)}
.easy{background:#eef7f1;border:1px solid #c7e6d2;border-radius:10px;padding:13px 17px;margin:18px 0;font-size:.96rem}
.easy b{color:var(--green)}
.caution{background:#fdf6e7;border:1px solid #f0dcae;border-radius:10px;padding:13px 17px;margin:18px 0;font-size:.95rem}
.caution b{color:var(--amber)}
.pull{font-family:var(--display);font-size:1.35rem;line-height:1.55;color:var(--ink);border-left:3px solid var(--navy);padding:6px 0 6px 18px;margin:24px 0;font-weight:700}
.sources{font-size:.86rem;color:var(--muted)} .sources li{margin:.5em 0}
.sources b,.sources i{color:var(--body)}
.lab{font-size:.68rem;font-weight:700;border-radius:5px;padding:1px 7px;margin-left:4px;border:1px solid}
.l-peer{background:#e7f5ec;color:#1f8a4c;border-color:#bfe3cb}
.l-pre{background:#fdf3df;color:#a9781a;border-color:#f0dcae}
.l-hot{background:#fbe9e7;color:#c0392b;border-color:#f3c8c2}
hr{border:none;border-top:1px solid var(--line);margin:30px 0}
.next{display:block;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:10px 0;color:var(--ink)}
.next:hover{border-color:#d4d8e0;text-decoration:none} .next span{color:var(--muted);font-size:.8rem;display:block}
.article footer{padding:24px 0 80px;color:var(--muted);font-size:.85rem}

/* ── 영상 카드(유튜브 facade): 썸네일+재생버튼, 클릭 시 유튜브로 ── */
.ytcard{position:relative;display:block;margin:26px 0;border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#0b1626}
.ytcard img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:.22s}
.ytcard:hover{text-decoration:none}
.ytcard:hover img{opacity:1;transform:scale(1.03)}
.ytcard .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(12,42,74,.85);box-shadow:0 6px 20px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center}
.ytcard .play::after{content:"";border-style:solid;border-width:14px 0 14px 24px;border-color:transparent transparent transparent #fff;margin-left:5px}
.ytcard .ytlabel{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;font-size:.92rem;font-weight:600;background:linear-gradient(transparent,rgba(6,16,31,.88))}

/* ── figure (이미지/도해 공통) — 라이트 ── */
figure.fig{margin:28px 0;background:var(--bg2);border:1px solid var(--line);border-radius:14px;overflow:hidden}
figure.fig img{width:100%}
figure.fig svg{display:block;width:100%;height:auto;background:#fff}
figure.fig figcaption{padding:12px 16px 14px;font-size:.88rem;color:var(--ink);line-height:1.55}
figure.fig figcaption .credit{display:block;margin-top:4px;color:var(--muted);font-size:.74rem}