:root{--bg:#fff;--fg:#17171b;--muted:#6b6b76;--line:#e6e6ec;--accent:#4f46e5;--chip:#f4f4f7}
@media (prefers-color-scheme:dark){:root{--bg:#0f0f13;--fg:#e9e9ee;--muted:#9a9aa6;--line:#27272f;--accent:#a5a0ff;--chip:#1b1b21}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
 font:16px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",Pretendard,system-ui,sans-serif;
 -webkit-text-size-adjust:100%}
main{max-width:46rem;margin:0 auto;padding:5rem 1.25rem 6rem}
a{color:var(--accent)}

/* ── 헤더 ── */
.hero h1{font-size:2.1rem;line-height:1.25;margin:0 0 .6rem;letter-spacing:-.03em}
.hero p{margin:0;color:var(--muted);font-size:1.05rem}
.hero .links{margin-top:1.5rem;display:flex;flex-wrap:wrap;gap:.5rem}
.hero .links a{display:inline-block;padding:.4rem .8rem;border:1px solid var(--line);
 border-radius:999px;text-decoration:none;color:var(--fg);font-size:.875rem;transition:border-color .15s}
.hero .links a:hover{border-color:var(--accent);color:var(--accent)}

/* ── 섹션 ── */
section{margin-top:4.5rem}
h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);
 margin:0 0 1.25rem;font-weight:600}

/* ── 프로젝트 카드 ── */
.projects{display:grid;gap:1rem}
.card{display:block;border:1px solid var(--line);border-radius:1rem;padding:1.4rem 1.5rem;
 text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card .top{display:flex;align-items:baseline;gap:.6rem;flex-wrap:wrap;margin-bottom:.4rem}
.card .icon{width:38px;height:38px;align-self:center;margin:-7px 0 -7px -6px}
.card h3{margin:0;font-size:1.15rem;letter-spacing:-.01em}
.card .tag{font-size:.72rem;padding:.15rem .5rem;border-radius:999px;background:var(--chip);color:var(--muted)}
.card p{margin:0;color:var(--muted);font-size:.925rem}
.card .meta{margin-top:.7rem;font-size:.8rem;color:var(--muted)}

/* ── 글 목록 ── */
.posts{list-style:none;padding:0;margin:0}
.posts li{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;
 border-bottom:1px solid var(--line)}
.posts a{text-decoration:none;color:inherit}
.posts a:hover{color:var(--accent)}
.posts time{color:var(--muted);font-size:.85rem;white-space:nowrap}

footer{margin-top:5rem;padding-top:1.5rem;border-top:1px solid var(--line);
 color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}

/* ── 본문 페이지 (프로젝트 상세 · 글) ── */
.back{display:inline-block;margin-bottom:2rem;font-size:.875rem;text-decoration:none;color:var(--muted)}
.back:hover{color:var(--accent)}
article h1{font-size:1.9rem;line-height:1.3;margin:0 0 .4rem;letter-spacing:-.025em}
article .sub{color:var(--muted);margin:0 0 2.5rem}
article h2{font-size:1.15rem;text-transform:none;letter-spacing:-.01em;color:var(--fg);margin:2.5rem 0 .75rem}
article p{margin:0 0 1rem}
article ul,article ol{margin:0 0 1rem;padding-left:1.25rem}
article li{margin:.25rem 0}
pre{background:var(--chip);padding:1rem;border-radius:.6rem;overflow-x:auto;font-size:.85rem;line-height:1.6}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
p code,li code{background:var(--chip);padding:.1rem .35rem;border-radius:.3rem}