/* ============ TOKENS ============ */
:root {
  --bg: #FFFFFF;
  --bg-soft: #F8F9FB;
  --bg-subtle: #EEF2F7;
  --fg: #0F1419;
  --fg-meta: #6B7684;
  --border: #E6E8EC;
  --border-strong: #D5D9DF;
  --primary: #1F3A93;
  --accent: #D94F4F;
  --success: #0E9F6E;
  --warning: #F59E0B;

  --radius-pill: 6px;
  --radius-card: 8px;
  --radius-container: 12px;

  --font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-jp: "Noto Sans JP", system-ui, sans-serif;
  --font-serif: "Noto Serif JP", "Times New Roman", serif;
  --font-num: "Inter", "SF Mono", ui-monospace, monospace;
}

.theme-dark {
  --bg: #0B0D10;
  --bg-soft: #11151A;
  --bg-subtle: #151A20;
  --fg: #E6E8EC;
  --fg-meta: #8A92A0;
  --border: #1F2328;
  --border-strong: #2A2F36;
  --primary: #6C8DEB;
  --accent: #E97676;
  --success: #2DBF8E;
  --warning: #F5B647;
}

/* ============ RESET ============ */
* { box-sizing: border-box; }
.site {
  font-family: var(--font-jp);
  color: var(--fg);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.7;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  min-width: 0;
}
.site a { color: inherit; text-decoration: none; }
.site button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
.site input { font: inherit; color: inherit; background: none; border: 0; outline: none; }
.site h1,.site h2,.site h3,.site h4,.site p { margin: 0; }
.site ul,.site ol { margin: 0; padding: 0; list-style: none; }

/* Tabular numerals for all number-looking things */
.num, .metric-value, .reward-value, .days-num, .popular-num, .deadline-date,
.compare-table td.num, .cat-count, .research-meta {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-num);
  letter-spacing: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.is-mobile .container { padding: 0 16px; }

/* ============ HEADER ============ */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.logo-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--primary);
  position: relative;
}
.logo-mark::after {
  content: ""; position: absolute; inset: 5px 4px auto 4px; height: 2px;
  background: var(--bg); border-radius: 1px;
}
.logo-mark::before {
  content: ""; position: absolute; inset: auto 4px 5px 4px; height: 5px;
  border: 1px solid var(--bg); border-radius: 1px;
}
.logo-text { font-family: var(--font-sans); }
.logo-em { color: var(--primary); }
.theme-dark .logo-em { color: var(--primary); }

.search {
  flex: 1;
  display: flex; align-items: center; gap: 8px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-soft);
  color: var(--fg-meta);
  max-width: 520px;
}
.search input { flex: 1; font-size: 13px; color: var(--fg); }
.search input::placeholder { color: var(--fg-meta); }
.search kbd {
  font-family: var(--font-num);
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-meta);
  background: var(--bg);
}

.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.icon-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: var(--radius-pill);
  color: var(--fg-meta);
  transition: background .15s;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--fg); }
.ghost-btn {
  height: 36px; padding: 0 12px;
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: var(--radius-pill);
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
}
.ghost-btn:hover { background: var(--bg-soft); }
.primary-btn {
  height: 36px; padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #fff;
  font-size: 13px; font-weight: 600;
}
.theme-dark .primary-btn { color: #0B0D10; }
.primary-btn:hover { filter: brightness(1.1); }

/* Global nav */
.global-nav { border-top: 1px solid var(--border); }
.nav-row { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav-row::-webkit-scrollbar { display: none; }
.nav-item {
  padding: 14px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-meta);
  position: relative;
  white-space: nowrap;
  transition: color .15s;
}
.nav-item:hover { color: var(--fg); }
.nav-item.active { color: var(--fg); font-weight: 600; }
.nav-item.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px;
  height: 2px; background: var(--primary);
}

/* Filter bar */
.filter-bar { border-bottom: 1px solid var(--border); background: var(--bg); }
.filter-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 32px;
}
.is-mobile .filter-row { padding: 12px 16px; }
.filter-chips { display: flex; gap: 6px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.filter-chips::-webkit-scrollbar { display: none; }
.chip {
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--fg);
  white-space: nowrap;
  background: var(--bg);
  transition: background .15s, border-color .15s;
}
.chip:hover { background: var(--bg-soft); }
.chip-active {
  background: var(--fg); color: var(--bg); border-color: var(--fg);
}
.filter-more {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  font-size: 12.5px; color: var(--fg-meta);
  flex-shrink: 0;
}

/* ============ PILLS & TAGS ============ */
.status-pill {
  display: inline-flex; align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.02em;
  font-family: var(--font-sans);
}
.pill-new { background: var(--primary); color: #fff; }
.theme-dark .pill-new { color: #0B0D10; }
.pill-warning { background: color-mix(in oklch, var(--warning) 14%, transparent); color: var(--warning); }
.pill-danger { background: color-mix(in oklch, var(--accent) 14%, transparent); color: var(--accent); }
.pill-ended { background: var(--bg-subtle); color: var(--fg-meta); }

.tag-pill {
  display: inline-flex; align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: 11.5px; font-weight: 500;
  background: var(--bg-subtle);
  color: var(--fg);
}
.theme-dark .tag-pill { background: var(--bg-subtle); color: var(--fg); }
.tag-issuer { background: transparent; border: 1px solid var(--border); color: var(--fg-meta); }

.metric-chip {
  display: inline-flex; align-items: baseline; gap: 6px;
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  background: var(--bg);
}
.metric-label { color: var(--fg-meta); font-size: 11px; }
.metric-value { font-weight: 600; color: var(--fg); font-size: 12.5px; }
.metric-success .metric-value { color: var(--success); }
.metric-warning .metric-value { color: var(--warning); }

.rating-dots { display: inline-flex; gap: 3px; }
.rating-bar { width: 14px; height: 6px; border-radius: 2px; background: var(--border-strong); }
.rating-bar.on { background: var(--primary); }

/* ============ SECTION HEAD ============ */
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.is-mobile .section-head { margin: 32px 0 16px; }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--fg-meta);
  margin-bottom: 6px;
}
.section-title {
  font-family: var(--font-sans), var(--font-jp);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.is-mobile .section-title { font-size: 18px; }
.section-more {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12.5px; color: var(--fg-meta);
  font-weight: 500;
}
.section-more:hover { color: var(--fg); }

/* ============ FEATURED ============ */
.featured { padding-top: 32px; }
.featured-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.is-mobile .featured-grid { grid-template-columns: 1fr; gap: 12px; }
.featured-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px;
  background: var(--bg);
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s, background .15s;
}
.featured-card:hover { background: var(--bg-soft); border-color: var(--border-strong); }
.featured-head { display: flex; gap: 6px; flex-wrap: wrap; }
.featured-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.005em;
  min-height: 46px;
}
.featured-card-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.featured-card-name { font-size: 12.5px; font-weight: 500; color: var(--fg); }
.featured-bottom {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.featured-reward { display: inline-flex; align-items: baseline; gap: 4px; color: var(--success); }
.reward-value {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.reward-unit { font-size: 11.5px; font-weight: 500; color: var(--fg-meta); }
.featured-deadline {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; color: var(--warning);
  font-family: var(--font-num);
}

/* Card face placeholder (generic, no brand art) */
.card-face {
  width: 54px; height: 34px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--primary), color-mix(in oklch, var(--primary) 70%, #000));
  color: #fff;
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
  font-family: var(--font-sans);
}
.theme-dark .card-face { background: linear-gradient(135deg, var(--primary), color-mix(in oklch, var(--primary) 70%, #000)); color: #0B0D10; }
.card-face-stripe {
  position: absolute; top: 0; bottom: 0; right: -6px; width: 24px;
  background: rgba(255,255,255,0.1);
  transform: skewX(-18deg);
}
.card-face-chip {
  position: absolute; top: 8px; left: 6px;
  width: 8px; height: 6px;
  background: rgba(255,255,255,0.6);
  border-radius: 1px;
}
.card-face-issuer {
  position: absolute; bottom: 3px; left: 5px; right: 5px;
  font-size: 6px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0.9;
}

/* ============ MAIN GRID ============ */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 2fr);
  gap: 48px;
  padding-top: 24px;
}
.is-mobile .main-grid { grid-template-columns: 1fr; gap: 0; }
.feed-col { min-width: 0; }

/* Feed */
.feed-list { display: flex; flex-direction: column; }
.feed-item {
  display: flex; gap: 16px;
  padding: var(--density-y, 20px) 0;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
  margin: 0 -8px;
  padding-left: 8px; padding-right: 8px;
  border-radius: 4px;
}
.feed-item:hover { background: var(--bg-soft); }
.feed-item:first-child { padding-top: 4px; }
.feed-thumb {
  width: 96px; height: 96px;
  border-radius: var(--radius-card);
  background: var(--bg-subtle);
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.is-mobile .feed-thumb { width: 64px; height: 64px; }
.feed-thumb-stripes {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    135deg,
    var(--bg-subtle) 0 8px,
    color-mix(in oklch, var(--bg-subtle) 80%, var(--fg-meta)) 8px 10px
  );
  opacity: 0.7;
}
.feed-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.feed-tags { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.feed-date {
  font-family: var(--font-num);
  font-size: 11.5px;
  color: var(--fg-meta);
  margin-left: auto;
}
.feed-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-top: 2px;
}
.is-mobile .feed-title { font-size: 15px; }
.feed-title.serif { font-family: var(--font-serif); font-weight: 700; letter-spacing: 0; }
.feed-excerpt {
  font-size: 13.5px;
  color: var(--fg-meta);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feed-metrics { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }

.load-more {
  display: block; margin: 24px auto 0;
  padding: 10px 24px;
  border: 1px solid var(--border); border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500;
  color: var(--fg);
  display: inline-flex; align-items: center; gap: 6px;
}
.load-more:hover { background: var(--bg-soft); }

/* Sidebar */
.sidebar {
  display: flex; flex-direction: column; gap: 24px;
  position: sticky; top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}
.side-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px;
  background: var(--bg);
}
.side-title {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.02em;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  text-transform: none;
}
.author-block { display: flex; gap: 12px; align-items: center; }
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 16px;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.theme-dark .author-avatar { color: #0B0D10; }
.author-name { font-size: 13px; font-weight: 700; }
.author-desc { font-size: 11.5px; color: var(--fg-meta); line-height: 1.6; }

.deadline-list { display: flex; flex-direction: column; gap: 12px; }
.deadline-list li { display: flex; gap: 10px; align-items: flex-start; }
.deadline-days {
  display: inline-flex; align-items: baseline; gap: 1px;
  flex-shrink: 0;
  padding: 6px 8px;
  border-radius: 6px;
  background: color-mix(in oklch, var(--warning) 14%, transparent);
  color: var(--warning);
  min-width: 44px;
  justify-content: center;
}
.days-num { font-size: 16px; font-weight: 700; font-family: var(--font-num); line-height: 1; }
.days-unit { font-size: 10px; margin-left: 1px; }
.deadline-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.deadline-title {
  font-size: 12px; font-weight: 500; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.deadline-date { font-size: 10.5px; color: var(--fg-meta); }

.popular-list { display: flex; flex-direction: column; }
.popular-list li {
  display: flex; gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}
.popular-list li:first-child { border-top: 0; padding-top: 0; }
.popular-num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1.6;
}
.popular-title { font-size: 12px; line-height: 1.55; }

.category-tree { display: flex; flex-direction: column; }
.category-tree li {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
}
.category-tree li:first-child { border-top: 0; padding-top: 0; }
.cat-count { color: var(--fg-meta); font-size: 11px; }

/* ============ CATEGORY HUB ============ */
.category-hub {}
.category-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.is-mobile .category-grid { grid-template-columns: repeat(2, 1fr); }
.category-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color .15s, background .15s;
}
.category-card:hover {
  border-color: var(--primary);
  background: var(--bg-soft);
}
.category-top { display: flex; align-items: center; justify-content: space-between; }
.category-count { font-size: 11px; font-family: var(--font-num); color: var(--fg-meta); }
.category-name { font-size: 14.5px; font-weight: 700; letter-spacing: -0.005em; }
.category-desc { font-size: 12px; color: var(--fg-meta); line-height: 1.55; }

/* ============ COMPARE TABLE ============ */
.compare-section {}
.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-container);
  background: var(--bg);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
  font-size: 13px;
}
.compare-table thead th {
  position: sticky; top: 0;
  background: var(--bg-soft);
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-meta);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.compare-table tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover td { background: var(--bg-soft); }
.compare-table td.num { font-weight: 600; }
.compare-table td.num-success { color: var(--success); }
.col-card {
  position: sticky; left: 0;
  background: var(--bg);
  z-index: 1;
  min-width: 240px;
}
.compare-table thead th.col-card { background: var(--bg-soft); z-index: 2; }
.compare-table tbody tr:hover td.col-card { background: var(--bg-soft); }

.compare-card-cell { display: flex; align-items: center; gap: 10px; }
.compare-card-name { font-size: 13px; font-weight: 700; letter-spacing: -0.005em; }
.compare-card-issuer { font-size: 11px; color: var(--fg-meta); margin-top: 2px; }
.row-cta {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 11.5px; font-weight: 500;
}
.row-cta:hover { background: var(--bg-soft); border-color: var(--border-strong); }

/* ============ RESEARCH GRID ============ */
.research-section {}
.research-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.is-mobile .research-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
.research-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg);
  display: flex; flex-direction: column;
  transition: border-color .15s, background .15s;
}
.research-card:hover { background: var(--bg-soft); border-color: var(--border-strong); }
.research-thumb {
  aspect-ratio: 16 / 9;
  background: var(--bg-subtle);
  position: relative;
  border-bottom: 1px solid var(--border);
}
.research-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.research-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 42px;
}
.research-excerpt {
  font-size: 12px;
  color: var(--fg-meta);
  line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.research-meta {
  font-size: 11px;
  color: var(--fg-meta);
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 4px;
}

/* ============ DEAL BANNER ============ */
.deal-banner {
  margin-top: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-container);
  background: var(--bg-soft);
  padding: 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.is-mobile .deal-banner { flex-direction: column; align-items: flex-start; padding: 20px; }
.deal-left { display: flex; gap: 16px; align-items: flex-start; }
.deal-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  color: var(--primary);
  flex-shrink: 0;
}
.deal-kicker {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--fg-meta);
  margin-bottom: 4px;
}
.deal-title { font-size: 16px; font-weight: 700; letter-spacing: -0.005em; }
.deal-desc { font-size: 12.5px; color: var(--fg-meta); margin-top: 4px; max-width: 560px; line-height: 1.7; }
.deal-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  background: var(--fg);
  color: var(--bg);
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.deal-cta:hover { filter: brightness(1.1); }

/* ============ FAQ ============ */
.faq-section { margin-bottom: 64px; }
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  text-align: left;
  padding: 20px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  gap: 16px;
}
.faq-q:hover { background: var(--bg-soft); }
.faq-q span:first-child { line-height: 1.5; }
.faq-a {
  padding: 0 8px 20px;
  font-size: 13px;
  color: var(--fg-meta);
  line-height: 1.85;
  max-width: 720px;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}
.is-mobile .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
.footer-logo { margin-bottom: 12px; }
.footer-about { font-size: 12px; color: var(--fg-meta); line-height: 1.8; max-width: 320px; }
.footer-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--fg);
  margin-bottom: 16px;
  text-transform: uppercase;
  font-family: var(--font-sans);
}
.footer-list { display: flex; flex-direction: column; gap: 10px; font-size: 12.5px; color: var(--fg-meta); }
.footer-list li { cursor: pointer; transition: color .15s; }
.footer-list li:hover { color: var(--fg); }
.footer-social li { display: flex; align-items: center; gap: 8px; }
.footer-legal {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--fg-meta);
  gap: 16px;
}
.is-mobile .footer-legal { flex-direction: column; }

/* ============ MOBILE OVERRIDES ============ */
.is-mobile .header-row { height: 56px; gap: 8px; }
.is-mobile .logo { font-size: 15px; }
.is-mobile .nav-row { gap: 0; }
.is-mobile .nav-item { padding: 12px 10px; font-size: 12.5px; }
.is-mobile .featured-title { font-size: 14px; min-height: 0; }
.is-mobile .reward-value { font-size: 22px; }

/* Research card in mobile: smaller */
.is-mobile .research-title { font-size: 13px; min-height: 0; }

/* Hide sidebar text-ellipsis style on desktop since containers fine */