:root {
  --ink: #18211d;
  --muted: #66716c;
  --line: #dde5df;
  --paper: #f6f8f6;
  --white: #fff;
  --green: #123d32;
  --green2: #1f604c;
  --sage: #dce8e2;
  --gold: #b8914e;
  --blue: #315979;
  --rose: #8a4d57;
  font-family: Inter, Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: inherit; }
.topbar {
  position: sticky; top: 0; z-index: 20; min-height: 60px; padding: 0 4vw;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: rgba(255,255,255,.95); border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.brand { text-decoration: none; font-weight: 850; letter-spacing: .04em; }
.brand span { color: var(--green2); font-size: .78rem; }
.nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { text-decoration: none; color: var(--muted); font-size: .88rem; padding: 8px 9px; border-radius: 7px; }
.nav a:hover { background: var(--sage); color: var(--green); }
main { max-width: 1480px; margin: 0 auto; padding: 0 28px 72px; }
.hero { padding: 52px 0 22px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; align-items: end; }
.eyebrow, .kicker { color: var(--green2); font-size: .76rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
h1 { margin: 10px 0 14px; font-size: clamp(2.1rem, 4.5vw, 4.2rem); line-height: 1.04; letter-spacing: 0; }
h2 { margin: 8px 0 14px; font-size: clamp(1.32rem, 2.2vw, 2rem); letter-spacing: 0; }
h3 { margin: 8px 0 10px; font-size: 1.12rem; letter-spacing: 0; }
p, li { line-height: 1.68; }
.lead { max-width: 900px; color: var(--muted); }
.status-card, .model-card, .report-section, .summary-card, .chart-card, .note-card, .technical-details {
  background: var(--white); border: 1px solid var(--line); border-radius: 8px;
}
.status-card { padding: 22px; border-color: #b9cec4; }
.status-card strong { display: block; margin-top: 8px; font-size: 1.55rem; color: var(--green); }
.model-hero { display: block; }
.model-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 14px 0 34px; }
.model-card { display: block; padding: 18px; text-decoration: none; min-height: 132px; }
.model-card:hover { border-color: var(--green2); box-shadow: 0 10px 28px rgba(18,61,50,.08); transform: translateY(-1px); }
.model-card span { color: var(--muted); font-size: .82rem; }
.model-card strong { display: block; margin: 10px 0; font-size: 1.05rem; }
.model-card small { color: var(--green2); font-weight: 750; }
.summary-card { padding: 24px; margin: 16px 0 20px; }
.summary-card ul, .takeaways { padding-left: 20px; }
.watch-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.watch-grid div { border-left: 3px solid var(--gold); padding: 12px 14px; background: #fbfaf6; }
.report-section { padding: clamp(18px, 2vw, 28px); margin: 20px 0; }
.chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; margin-top: 18px; }
.chart-card { overflow: hidden; padding: 16px; }
.chart-card img { display: block; width: 100%; height: auto; border: 1px solid #edf0ee; border-radius: 6px; background: white; }
.chart-zoom { display: block; width: 100%; padding: 0; margin: 10px 0 0; border: 0; background: transparent; cursor: zoom-in; }
.commentary { margin: 14px 0 0; padding: 13px 15px; border-left: 3px solid var(--green2); background: #f2f6f4; color: #4e5c56; }
.meta-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.meta-list div { padding: 12px 14px; background: #f9fbfa; border: 1px solid var(--line); border-radius: 8px; }
.meta-list span { display: block; color: var(--muted); font-size: .8rem; }
.meta-list strong { word-break: break-word; overflow-wrap: anywhere; }
.note-card { padding: 18px; margin: 18px 0; color: var(--muted); }
.technical-details { margin: 28px 0 16px; padding: 0; overflow: hidden; }
.technical-details summary { cursor: pointer; padding: 18px 20px; font-weight: 850; color: var(--green); }
.technical-details summary:focus-visible { outline: 3px solid var(--sage); outline-offset: 3px; }
.technical-details .meta-list { margin: 0; padding: 0 20px 20px; }
.technical-details strong { overflow-wrap: anywhere; word-break: break-word; }
.back-link { display: inline-flex; align-items: center; margin-top: 4px; padding: 11px 14px; border-radius: 8px; background: var(--green); color: white; text-decoration: none; font-weight: 800; }
.back-link:hover { background: var(--green2); }
footer { padding: 26px; text-align: center; color: var(--muted); border-top: 1px solid var(--line); }
dialog { width: min(96vw, 1500px); max-height: 94vh; padding: 44px 14px 14px; border: 0; border-radius: 8px; background: white; box-shadow: 0 24px 90px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(9,18,14,.76); }
dialog img { display: block; max-width: 100%; max-height: calc(94vh - 60px); margin: auto; }
#close-lightbox { position: absolute; right: 12px; top: 7px; border: 0; background: transparent; font-size: 2rem; cursor: pointer; }
@media (max-width: 1050px) {
  .model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .status-card { max-width: 420px; }
}
@media (max-width: 860px) {
  .chart-grid, .watch-grid, .meta-list { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  main { padding-inline: 14px; }
  .topbar { padding-inline: 14px; align-items: flex-start; flex-direction: column; padding-block: 12px; }
  .nav { justify-content: flex-start; }
  .model-grid { grid-template-columns: 1fr; }
}