/* ============================================================
   World Investment News - editorial dark theme
   Pure CSS. No build step. No external font/CDN requests.
   Breakpoints: >=1080 desktop | 700-1079 tablet | <700 phone
   ============================================================ */

:root {
  --bg: #090c12;
  --bg-soft: #0c1017;
  --panel: #11161f;
  --panel-2: #151b26;
  --line: #1f2733;
  --line-soft: #161d27;
  --text: #e9edf4;
  --text-2: #b6c0ce;
  --muted: #7e8a9c;
  --accent: #d3ac6a;
  --accent-dim: #8d7038;
  --link: #6aa9e9;
  --up: #33b98a;
  --down: #dd5b66;
  --maxw: 1280px;
  --serif: Georgia, "Times New Roman", "Songti SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
::selection { background: rgba(211,172,106,.28); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- market pulse ticker ---------- */
.pulse-bar { background: #05080e; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .04em; overflow: hidden; }
.pulse-bar .wrap { display: flex; align-items: center; gap: 0; height: 34px; max-width: none; padding: 0; }
.pulse-label { flex: 0 0 auto; display: flex; align-items: center; gap: 7px; padding: 0 14px 0 24px; color: var(--accent); text-transform: uppercase; border-right: 1px solid var(--line); height: 100%; z-index: 2; }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--up); animation: pulse 2.4s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(51,185,138,.55); }
  70% { box-shadow: 0 0 0 7px rgba(51,185,138,0); }
  100% { box-shadow: 0 0 0 0 rgba(51,185,138,0); }
}
.pulse-viewport { flex: 1 1 auto; overflow: hidden; height: 100%; }
.pulse-track { display: flex; align-items: center; gap: 26px; height: 100%; white-space: nowrap; will-change: transform; animation: marquee 90s linear infinite; }
.pulse-bar:hover .pulse-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.pulse-item { color: var(--text-2); display: inline-flex; align-items: center; gap: 7px; }
.pulse-item b { color: var(--text); font-weight: 600; letter-spacing: .06em; }
.pulse-item .cnt { color: var(--muted); }
.pulse-item .up { color: var(--up); }
.pulse-item .down { color: var(--down); }
.pulse-item .flat { color: var(--muted); }
.pulse-meta { flex: 0 0 auto; padding: 0 24px 0 0; color: var(--muted); text-transform: uppercase; }
@media (prefers-reduced-motion: reduce) { .pulse-track { animation: none; } }

/* ---------- masthead ---------- */
.masthead { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark { font-family: var(--serif); font-size: 24px; letter-spacing: .01em; font-weight: 700; line-height: 1; }
.brand-mark span { color: var(--accent); }
.brand-sub { font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.mast-nav { display: flex; align-items: center; gap: 20px; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); }
.mast-nav a { padding: 4px 0; border-bottom: 1px solid transparent; }
.mast-nav a:hover, .mast-nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }
.mast-tools { display: flex; align-items: center; gap: 12px; }
.search-link { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: .06em; }
.search-link:hover { border-color: var(--accent-dim); color: var(--text); }

/* ---------- category rail ---------- */
.catrail { background: rgba(9,12,18,.94); border-bottom: 1px solid var(--line-soft); position: sticky; top: 0; z-index: 40; }
.catrail .wrap { display: flex; align-items: center; gap: 6px; height: 46px; overflow-x: auto; scrollbar-width: none; }
.catrail .wrap::-webkit-scrollbar { display: none; }
.chip { flex: 0 0 auto; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 6px 11px; border: 1px solid transparent; border-radius: 2px; white-space: nowrap; cursor: pointer; background: none; }
.chip:hover { color: var(--text); border-color: var(--line); }
.chip.is-active, .chip[aria-selected="true"] { color: #0b0e14; background: var(--accent); border-color: var(--accent); font-weight: 600; }
.chip .n { opacity: .62; margin-left: 6px; font-weight: 400; }

/* ---------- layout ---------- */
main { display: block; padding: 34px 0 70px; }
.section { margin-bottom: 46px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 22px; }
.section-title { font-family: var(--serif); font-size: 21px; letter-spacing: .01em; margin: 0; font-weight: 700; }
.section-title .tick { color: var(--accent); margin-right: 8px; }
.section-note { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.section-more { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1.55fr 1fr; gap: 24px; margin-bottom: 44px; }
.lead-card { position: relative; border: 1px solid var(--line); background: var(--panel); overflow: hidden; display: flex; flex-direction: column; }
.lead-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, #16202e, #0b1017); }
.lead-media img { width: 100%; height: 100%; object-fit: cover; opacity: .92; transition: transform .6s ease, opacity .3s; }
.lead-card:hover .lead-media img { transform: scale(1.03); opacity: 1; }
.lead-body { padding: 20px 22px 24px; }
.lead-title { font-family: var(--serif); font-size: 31px; line-height: 1.18; margin: 0 0 12px; font-weight: 700; letter-spacing: -.01em; }
.lead-title a:hover { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.lead-summary { color: var(--text-2); font-size: 14.5px; margin: 0 0 16px; }

.side-stack { display: flex; flex-direction: column; gap: 18px; }
.side-card { border: 1px solid var(--line); background: var(--panel); padding: 16px 18px; flex: 1 1 0; display: flex; flex-direction: column; }
.side-card h3 { font-family: var(--serif); font-size: 18px; line-height: 1.32; margin: 8px 0 8px; font-weight: 700; }
.side-card h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; }
.side-card p { color: var(--muted); font-size: 13px; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- meta ---------- */
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.meta .sep { color: #38414f; }
.src-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); border: 1px solid rgba(211,172,106,.28); background: rgba(211,172,106,.07); padding: 2px 8px; border-radius: 2px; font-weight: 600; letter-spacing: .08em; }
.src-badge:hover { background: rgba(211,172,106,.16); color: var(--accent); }
.tag-pill { font-family: var(--mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; color: var(--text-2); border: 1px solid var(--line); padding: 2px 7px; border-radius: 999px; background: rgba(255,255,255,.015); }
.sent { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.sent.pos { color: var(--up); }
.sent.neg { color: var(--down); }
.sent.neu { color: var(--muted); }

/* ---------- grids / cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card { border: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.card:hover { border-color: #2b3648; transform: translateY(-2px); }
.card-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, #17212f, #0b1017); }
.card-media img { width: 100%; height: 100%; object-fit: cover; opacity: .9; transition: transform .5s ease; }
.card:hover .card-media img { transform: scale(1.035); }
.card-media .ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 30px; color: rgba(255,255,255,.13); letter-spacing: .1em; }
.card-body { padding: 14px 16px 17px; display: flex; flex-direction: column; gap: 9px; flex: 1 1 auto; }
.card-title { font-family: var(--serif); font-size: 17px; line-height: 1.32; margin: 0; font-weight: 700; }
.card-title a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 3px; color: var(--text); }
.card-summary { font-size: 13px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-foot { margin-top: auto; padding-top: 4px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }

/* ---------- wire feed rows ---------- */
.feed { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 96px 1fr 130px; gap: 18px; align-items: baseline; padding: 14px 4px; border-bottom: 1px solid var(--line-soft); }
.row:hover { background: rgba(255,255,255,.018); }
.row-time { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--muted); white-space: nowrap; }
.row-title { font-family: var(--serif); font-size: 16.5px; line-height: 1.35; font-weight: 700; margin: 0; }
.row-title a:hover { color: var(--accent); }
.row-source { font-family: var(--mono); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; color: var(--accent); white-space: nowrap; text-align: right; }

/* ---------- ranking ---------- */
.rank { border: 1px solid var(--line); background: var(--panel); }
.rank-head { padding: 13px 18px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); display: flex; justify-content: space-between; }
.rank-item { display: grid; grid-template-columns: 24px 1fr; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line-soft); align-items: start; }
.rank-item:last-child { border-bottom: 0; }
.rank-num { font-family: var(--mono); font-size: 12px; color: var(--accent-dim); }
.rank-item h4 { margin: 0 0 4px; font-family: var(--serif); font-size: 14.5px; line-height: 1.35; font-weight: 700; }
.rank-item h4 a:hover { color: var(--accent); }
.rank-item .meta { font-size: 9.5px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 38px; align-items: start; }

/* ---------- controls ---------- */
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 22px; }
.search-box { position: relative; flex: 1 1 320px; min-width: 230px; }
.search-box input { width: 100%; background: var(--panel); border: 1px solid var(--line); color: var(--text); font-family: var(--sans); font-size: 14px; padding: 12px 40px 12px 14px; border-radius: 2px; outline: none; }
.search-box input:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 3px rgba(211,172,106,.08); }
.search-box .clear-btn { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 15px; padding: 4px 8px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 2px; overflow: hidden; }
.seg button { background: none; border: 0; color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; padding: 9px 14px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed="true"] { background: rgba(211,172,106,.12); color: var(--accent); }
.result-count { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.result-count b { color: var(--text); }

.load-more-wrap { display: flex; justify-content: center; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text-2); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 11px 22px; border-radius: 2px; cursor: pointer; }
.btn:hover { border-color: var(--accent-dim); color: var(--text); }
.btn[disabled] { opacity: .4; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0b0e14; font-weight: 600; }
.btn-primary:hover { background: #e2bd7d; color: #0b0e14; }

/* ---------- article ---------- */
.article-head { max-width: 860px; margin: 0 auto 22px; }
.article-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.article-title { font-family: var(--serif); font-size: 40px; line-height: 1.15; letter-spacing: -.015em; margin: 0 0 16px; font-weight: 700; }
.article-summary { font-size: 18px; line-height: 1.6; color: var(--text-2); font-family: var(--serif); margin: 0 0 20px; border-left: 2px solid var(--accent-dim); padding-left: 16px; }
.article-media { margin: 26px 0; border: 1px solid var(--line); background: var(--panel); }
.article-media img { width: 100%; max-height: 520px; object-fit: cover; }
.article-media figcaption { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 9px 12px; border-top: 1px solid var(--line); }
.article-body { max-width: 860px; margin: 0 auto; }
.article-body p { font-size: 16.5px; line-height: 1.78; color: var(--text-2); }
.article-foot { max-width: 860px; margin: 28px auto 0; }
.source-callout { margin: 24px 0; border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--panel); padding: 16px 18px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.source-callout p { margin: 0; font-size: 13px; color: var(--text-2); }
.source-callout .origin { font-family: var(--mono); font-size: 11px; color: var(--muted); word-break: break-all; margin-top: 5px; }

/* ---------- static/prose pages ---------- */
.prose { max-width: 790px; }
.prose h1 { font-family: var(--serif); font-size: 36px; line-height: 1.18; margin: 0 0 8px; letter-spacing: -.01em; }
.prose .lede { color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 26px; }
.prose h2 { font-family: var(--serif); font-size: 21px; margin: 32px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.prose h3 { font-size: 15.5px; margin: 20px 0 8px; color: var(--text); }
.prose p, .prose li { color: var(--text-2); font-size: 15px; line-height: 1.75; }
.prose ul, .prose ol { padding-left: 20px; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13.5px; }
.prose th, .prose td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; color: var(--text-2); }
.prose th { color: var(--muted); font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; }
.prose code { font-family: var(--mono); font-size: 12.5px; background: var(--panel-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 2px; color: var(--accent); }
.prose pre { background: var(--panel); border: 1px solid var(--line); padding: 14px 16px; overflow: auto; font-size: 12.5px; line-height: 1.65; }
.prose pre code { background: none; border: 0; padding: 0; color: var(--text-2); }

/* ---------- skeleton ---------- */
.sk { position: relative; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.sk::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.045) 50%, rgba(255,255,255,0) 100%); transform: translateX(-100%); animation: shimmer 1.5s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }
.sk-media { aspect-ratio: 16 / 9; }
.sk-line { height: 11px; border-radius: 2px; background: #1a2130; margin: 12px 0; }
.sk-line.w40 { width: 40%; }
.sk-line.w60 { width: 60%; }
.sk-line.w85 { width: 85%; }
.sk-body { padding: 14px 16px 18px; }

/* ---------- empty / error ---------- */
.state { border: 1px dashed var(--line); background: rgba(255,255,255,.012); padding: 50px 24px; text-align: center; }
.state .glyph { font-family: var(--serif); font-size: 32px; color: var(--accent-dim); margin-bottom: 10px; }
.state h3 { font-family: var(--serif); font-size: 20px; margin: 0 0 8px; }
.state p { color: var(--muted); font-size: 13.5px; margin: 0 auto 6px; max-width: 580px; }
.state code { font-family: var(--mono); font-size: 12px; color: var(--accent); background: var(--panel-2); border: 1px solid var(--line); padding: 2px 6px; }
.state .btn { margin-top: 18px; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 38px 0 26px; margin-top: 30px; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 28px; }
.foot-brand .brand-mark { font-size: 20px; }
.foot-brand p { color: var(--muted); font-size: 12.5px; line-height: 1.7; margin: 10px 0 0; max-width: 340px; }
.foot-col h5 { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.foot-col a { display: block; color: var(--muted); font-size: 13px; padding: 4px 0; }
.foot-col a:hover { color: var(--text); }
.foot-bottom { margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--muted); font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; }

/* ---------- responsive ---------- */
@media (max-width: 1079px) {
  .wrap { padding: 0 18px; }
  .hero { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lead-title { font-size: 27px; }
  .article-title { font-size: 33px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .mast-nav { display: none; }
}

@media (max-width: 699px) {
  body { font-size: 14.5px; }
  .wrap { padding: 0 14px; }
  .masthead .wrap { height: 62px; }
  .brand-mark { font-size: 19px; }
  .brand-sub { display: none; }
  .pulse-bar .wrap { height: 30px; }
  .pulse-label { padding-left: 14px; font-size: 10px; }
  .pulse-meta { display: none; }
  main { padding: 22px 0 48px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; gap: 5px; }
  .row-source { text-align: left; }
  .lead-title { font-size: 23px; }
  .article-title { font-size: 27px; }
  .article-summary { font-size: 16px; }
  .foot-grid { grid-template-columns: 1fr; gap: 20px; }
  .section { margin-bottom: 34px; }
  .search-link span { display: none; }
}