/* KBDMania English edition — 2026-11-08 */
:root {
  --bg: #fbfaf7;
  --bg-elev: #ffffff;
  --ink: #1a1916;
  --ink-2: #44403c;
  --muted: #78716c;
  --line: #e7e2da;
  --accent: #b4532a;        /* warm rust: distinct from the Korean site's sky blue */
  --accent-ink: #8a3d1d;
  --kicker: #5b8a72;
  --code-bg: #f1ede6;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max: 1080px;
  --measure: 700px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15140f; --bg-elev: #1d1c17; --ink: #efeae1; --ink-2: #cfc8bd; --muted: #948c80;
    --line: #2d2b25; --accent: #e0855a; --accent-ink: #f0a07a; --kicker: #8fbfa5; --code-bg: #24221c;
  }
}
:root[data-theme="dark"] {
  --bg: #15140f; --bg-elev: #1d1c17; --ink: #efeae1; --ink-2: #cfc8bd; --muted: #948c80;
  --line: #2d2b25; --accent: #e0855a; --accent-ink: #f0a07a; --kicker: #8fbfa5; --code-bg: #24221c;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.6; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.en-wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* header */
.en-header { border-bottom: 1px solid var(--line); background: var(--bg-elev); position: sticky; top: 0; z-index: 20; }
.en-header-inner { display: flex; align-items: center; gap: 20px; height: 56px; }
.en-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 17px; letter-spacing: -0.01em; }
.en-brand img { border-radius: 6px; }
.en-brand-sub { color: var(--muted); font-weight: 400; }
.en-nav { margin-left: auto; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.en-nav::-webkit-scrollbar { display: none; }
.en-nav a { color: var(--ink-2); font-size: 14px; font-weight: 500; padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.en-nav a:hover { background: var(--code-bg); text-decoration: none; }
.en-nav a[aria-current="page"] { color: var(--accent-ink); }
.en-nav-ko { border: 1px solid var(--line); margin-left: 6px; }
@media (max-width: 640px) { .en-brand span span { display: none; } .en-header-inner { gap: 10px; } .en-nav { margin-left: 4px; mask-image: linear-gradient(to right, #000 85%, transparent); } .en-nav a { padding: 8px 7px; font-size: 13px; } }

/* home */
.en-main { padding: 32px 16px 64px; }
.en-hero { max-width: 760px; padding: 24px 0 36px; }
.en-hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(32px, 5vw, 48px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px; }
.en-hero h1 em { font-style: italic; color: var(--accent); }
.en-hero-lede { font-size: 18px; color: var(--ink-2); margin: 0; max-width: 62ch; }
.en-section { margin-top: 48px; }
.en-section-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; border-top: 2px solid var(--ink); padding-top: 12px; margin-bottom: 20px; }
.en-section-head h2 { font-family: var(--serif); font-size: 24px; margin: 0; }
.en-section-head p { margin: 0; color: var(--muted); font-size: 15px; }
.en-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px 24px; }

.en-card { display: flex; flex-direction: column; gap: 12px; }
.en-card-img { display: block; aspect-ratio: 16/9; overflow: hidden; border-radius: 8px; background: var(--code-bg); }
.en-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.en-card:hover .en-card-img img { transform: scale(1.02); }
.en-kicker { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--kicker); margin-bottom: 6px; }
.en-kicker a { color: inherit; }
.en-card-title { font-family: var(--serif); font-size: 21px; line-height: 1.25; margin: 0 0 8px; font-weight: 600; letter-spacing: -0.01em; }
.en-card-title a { color: var(--ink); }
.en-card-desc { margin: 0 0 8px; color: var(--ink-2); font-size: 15px; }
.en-meta { font-size: 13px; color: var(--muted); }
.en-card-big { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: center; }
.en-card-big .en-card-img { aspect-ratio: 3/2; }
.en-card-big .en-card-title { font-size: clamp(26px, 3.5vw, 36px); }
.en-card-big .en-card-desc { font-size: 17px; }
@media (max-width: 760px) { .en-card-big { grid-template-columns: 1fr; } }

.en-series-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.en-series-list li { border-bottom: 1px solid var(--line); }
.en-series-list a { display: flex; gap: 18px; padding: 14px 4px; color: var(--ink); align-items: flex-start; }
.en-series-list a:hover { text-decoration: none; background: var(--bg-elev); }
.en-series-num { font-family: var(--serif); font-size: 22px; color: var(--accent); min-width: 28px; line-height: 1.2; }
.en-series-text { display: flex; flex-direction: column; gap: 2px; }
.en-series-text b { font-family: var(--serif); font-size: 19px; font-weight: 600; line-height: 1.3; }
.en-series-text span { color: var(--muted); font-size: 14px; }

/* article */
.en-article { max-width: var(--measure); margin: 0 auto; }
.en-article-head { padding: 8px 0 20px; }
.en-article-head h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4.6vw, 42px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 14px; }
.en-standfirst { font-size: 19px; color: var(--ink-2); line-height: 1.5; margin: 0 0 14px; }
.en-cover { margin: 8px 0 28px; }
.en-cover img { width: 100%; max-height: 520px; object-fit: cover; border-radius: 8px; display: block; }
.en-cover figcaption, .en-body figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }
.en-body { font-family: var(--serif); font-size: 19px; line-height: 1.7; color: var(--ink); }
.en-body p { margin: 0 0 1.25em; }
.en-body h2 { font-size: 26px; line-height: 1.25; margin: 2em 0 .6em; letter-spacing: -0.01em; }
.en-body h3 { font-size: 21px; margin: 1.6em 0 .5em; }
.en-body h2 + p, .en-body h3 + p { margin-top: 0; }
.en-body a { text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent); text-underline-offset: 3px; }
.en-body a:hover { text-decoration-color: var(--accent); }
.en-body blockquote { margin: 1.5em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--accent); color: var(--ink-2); font-style: italic; }
.en-body blockquote p { margin-bottom: .6em; }
.en-body blockquote footer { font-style: normal; font-family: var(--sans); font-size: 14px; color: var(--muted); }
.en-body ul, .en-body ol { padding-left: 1.4em; margin: 0 0 1.25em; }
.en-body li { margin-bottom: .35em; }
.en-body figure { margin: 1.6em 0; }
.en-body figure img, .en-body > img { border-radius: 6px; display: block; }
.en-body code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; background: var(--code-bg); padding: 2px 6px; border-radius: 4px; }
.en-body pre { background: var(--code-bg); padding: 14px 16px; border-radius: 8px; overflow-x: auto; font-size: 14px; }
.en-body pre code { background: none; padding: 0; }
.en-body hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em auto; width: 40%; }
.table-wrap { overflow-x: auto; margin: 1.5em 0; font-family: var(--sans); }
.en-body table { border-collapse: collapse; width: 100%; font-size: 15px; }
.en-body th, .en-body td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.en-body th { font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.en-body td:last-child, .en-body th:last-child { }
.en-body .num, .en-body td.num { text-align: right; font-variant-numeric: tabular-nums; }
.en-body dfn, .en-body [lang="ko"] { font-style: normal; }

.en-sources { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; }
.en-sources h2 { font-family: var(--serif); font-size: 18px; margin: 0 0 6px; }
.en-sources-note { color: var(--muted); margin: 0 0 12px; font-size: 14px; }
.en-sources ul { margin: 0; padding-left: 1.2em; }
.en-sources li { margin-bottom: 6px; }

.en-ad { margin: 36px 0 0; min-height: 90px; }
.en-ad ins { display: block; }

.en-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }
.en-pager a { display: flex; flex-direction: column; gap: 4px; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-elev); }
.en-pager a:hover { text-decoration: none; border-color: var(--accent); }
.en-pager a span { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.en-pager a b { font-family: var(--serif); font-weight: 600; font-size: 16px; line-height: 1.3; }
.en-pager-next { text-align: right; align-items: flex-end; }
@media (max-width: 520px) { .en-pager { grid-template-columns: 1fr; } .en-pager-next { text-align: left; align-items: flex-start; } }

.en-more { max-width: var(--max); margin: 64px auto 0; padding-top: 24px; border-top: 2px solid var(--ink); }
.en-more h2 { font-family: var(--serif); font-size: 22px; margin: 0 0 20px; }

/* footer */
.en-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 32px 0 48px; color: var(--muted); font-size: 14px; background: var(--bg-elev); }
.en-footer p { margin: 0 0 10px; max-width: 70ch; }
.en-footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.en-footer-links a { color: var(--ink-2); }
.en-footer-copy { font-size: 13px; }