:root{
  --bg:#fbf8f1;
  --bg-elevated:#fffdf9;
  --surface:#fffaf4;
  --surface-strong:#ffffff;
  --surface-muted:#f4eee4;
  --text:#1e232d;
  --text-soft:#5e6675;
  --text-muted:#7a8292;
  --border:rgba(49,57,71,.12);
  --border-strong:rgba(49,57,71,.18);
  --accent:#9a6f4a;
  --accent-soft:rgba(154,111,74,.12);
  --accent-strong:#714d33;
  --success:#2c7a64;
  --warning:#b97f31;
  --shadow:0 22px 60px rgba(30,35,45,.08);
  --shadow-soft:0 10px 30px rgba(30,35,45,.06);
  --radius-sm:14px;
  --radius-md:20px;
  --radius-lg:28px;
  --radius-xl:36px;
  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:20px;
  --space-6:24px;
  --space-7:32px;
  --space-8:40px;
  --space-9:56px;
  --space-10:72px;
  --content-width:1180px;
  --font-sans:"Inter", "Pretendard", "Apple SD Gothic Neo", system-ui, sans-serif;
  --font-serif:"Source Serif 4", Georgia, serif;
  --display:var(--font-sans);
  --body:var(--font-sans);
  --line:1.55;
}
:root[data-theme="dark"]{
  --bg:#0f1115;
  --bg-elevated:#131721;
  --surface:#171b24;
  --surface-strong:#1c2230;
  --surface-muted:#212837;
  --text:#e7e9ee;
  --text-soft:#b3bac6;
  --text-muted:#8d97a8;
  --border:rgba(231,233,238,.12);
  --border-strong:rgba(231,233,238,.18);
  --accent:#c7a27d;
  --accent-soft:rgba(199,162,125,.15);
  --accent-strong:#e3c3a2;
  --success:#66c6a8;
  --warning:#d4b268;
  --shadow:0 24px 70px rgba(0,0,0,.32);
  --shadow-soft:0 12px 34px rgba(0,0,0,.24);
}
:root[data-font="serif"]{
  --display:var(--font-serif);
  --body:var(--font-serif);
}
*{box-sizing:border-box}
html{color-scheme:light}
html[data-theme="dark"]{color-scheme:dark}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 18% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 88%, var(--surface-muted)) 100%);
  color:var(--text);
  font-family:var(--body);
  line-height:var(--line);
  letter-spacing:-0.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{
  width:min(calc(100% - 40px), var(--content-width));
  margin:0 auto;
}
.grid{
  display:grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(320px, .95fr);
  gap:var(--space-8);
  align-items:start;
}
.card{
  background:color-mix(in srgb, var(--surface-strong) 92%, transparent);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  backdrop-filter:saturate(140%) blur(10px);
}
.card-pad{padding:var(--space-6)}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-soft);
}
.kicker::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:999px;
  background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft);
}
.h1{
  font-family:var(--display);
  font-size:clamp(2.4rem, 5vw, 4.9rem);
  line-height:.94;
  letter-spacing:-.05em;
  margin:0;
}
.h2{
  font-family:var(--display);
  font-size:clamp(1.35rem, 2vw, 2rem);
  line-height:1.05;
  letter-spacing:-.03em;
  margin:0;
}
.subtle{color:var(--text-soft)}
.meta{color:var(--text-muted);font-size:.95rem}
.stack{display:grid;gap:var(--space-4)}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-strong);
  font-weight:700;
  font-size:.9rem;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text-soft);
  font-size:.88rem;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.stat{
  padding:18px;
  border-radius:18px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent), var(--surface));
  border:1px solid var(--border);
}
.stat strong{display:block;font-size:1.42rem;line-height:1.05}
.stat span{display:block;color:var(--text-muted);font-size:.88rem;margin-top:6px}
.hero{
  padding:clamp(28px, 4vw, 44px);
  display:grid;
  gap:var(--space-6);
}
.hero-copy{max-width:68ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 18px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--surface-strong);
  color:var(--text);
  font-weight:700;
  box-shadow:0 6px 20px rgba(30,35,45,.04);
}
.btn.primary{
  background:var(--accent);
  color:#fff;
  border-color:transparent;
}
.section{
  margin-top:var(--space-8);
  display:grid;
  gap:var(--space-4);
}
.card-list{
  display:grid;
  gap:16px;
}
.source-card{
  padding:22px;
  display:grid;
  gap:14px;
  grid-template-columns:1.25fr .8fr;
  align-items:start;
}
.source-card .cover{
  min-height:166px;
  border-radius:22px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 26%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-muted) 65%, transparent), var(--surface));
  border:1px solid var(--border);
  position:relative;
  overflow:hidden;
}
.source-card .cover::before,
.source-card .cover::after{
  content:"";
  position:absolute;
  border-radius:999px;
  background:color-mix(in srgb, var(--accent) 18%, transparent);
}
.source-card .cover::before{width:120px;height:120px;right:18px;top:18px}
.source-card .cover::after{width:180px;height:180px;left:-40px;bottom:-54px;background:color-mix(in srgb, var(--accent) 12%, transparent)}
.source-card h3{margin:0;font-size:1.16rem;line-height:1.15}
.source-card p{margin:0;color:var(--text-soft)}
.source-card .source-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--text-muted);font-size:.85rem}
.source-card .tag{
  display:inline-flex;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--bg-elevated);
}
.insight-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.insight{
  padding:18px;
  border-radius:18px;
  background:var(--surface);
  border:1px solid var(--border);
}
.insight b{display:block;margin-bottom:8px}
.note-list{display:grid;gap:10px}
.note-item{
  display:flex;
  gap:12px;
  padding:14px 16px;
  border-radius:18px;
  background:var(--surface);
  border:1px solid var(--border);
}
.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:8px;flex:0 0 auto}
.side-stack{display:grid;gap:var(--space-4);position:sticky;top:96px}
.side-panel{padding:22px}
.side-panel ul{margin:0;padding-left:18px;color:var(--text-soft)}
.small{font-size:.9rem;color:var(--text-muted)}
.footer{
  margin:var(--space-10) 0 48px;
  padding-top:22px;
  border-top:1px solid var(--border);
  color:var(--text-muted);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.control-panel{
  position:fixed;
  top:16px;
  right:18px;
  z-index:50;
  display:flex;
  gap:8px;
  padding:10px;
  border-radius:20px;
  background:color-mix(in srgb, var(--surface-strong) 88%, transparent);
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(12px);
}
.ctrl{
  border:none;
  padding:10px 12px;
  border-radius:14px;
  background:var(--surface);
  color:var(--text-soft);
  border:1px solid transparent;
  cursor:pointer;
}
.ctrl[aria-pressed="true"]{
  color:var(--text);
  background:var(--bg-elevated);
  border-color:var(--border-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
}
.ctrl:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.verification-shim{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
  .side-stack{position:static}
  .source-card{grid-template-columns:1fr}
  .stat-grid,.insight-grid{grid-template-columns:1fr}
  .control-panel{left:16px;right:16px;justify-content:space-between;overflow-x:auto}
}
@media (max-width: 640px){
  .container{width:min(calc(100% - 28px), var(--content-width));}
  .hero{padding:24px}
  .btn{width:100%}
  .hero-actions{display:grid;width:100%}
}