/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-muted: #5a5a7a;
  --text-light: #8888a0;
  --accent: #0066cc;
  --accent-hover: #0052a3;
  --risk-high: #dc3545;
  --risk-medium: #f59e0b;
  --risk-low: #28a745;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.08);
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max-w: 1080px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0 24px;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-brand { font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: .3px; }
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: var(--text-muted); font-size: 13px; transition: color .2s; letter-spacing: .3px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  background: transparent;
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: all .2s;
}
.nav-cta:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* ===== Sections ===== */
section { padding: 96px 24px; }
.section-alt { background: var(--bg-alt); }
.container { max-width: var(--max-w); margin: 0 auto; }
.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
  letter-spacing: -.3px;
  color: var(--text);
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 48px;
  max-width: 640px;
  line-height: 1.7;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 56px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: .04;
  background: radial-gradient(ellipse at 70% 40%, var(--accent) 0%, transparent 50%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -.5px;
  color: var(--text);
}
.hero h1 .highlight { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 16px; align-items: center; }
.hero-cta {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  transition: background .2s;
}
.hero-cta:hover { background: var(--accent-hover); text-decoration: none; }
.hero-cta-secondary {
  color: var(--text-muted);
  font-size: 15px;
  padding: 12px 0;
  transition: color .2s;
}
.hero-cta-secondary:hover { color: var(--text); text-decoration: none; }

/* ===== World Map (flat, war dashboard style) ===== */
.map-container {
  width: 100%;
  max-width: 680px;
  position: relative;
  margin: 0 auto;
  border-radius: 8px;
  overflow: visible;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.world-map-svg { width: 100%; display: block; }
.map-hotspots { position: absolute; inset: 0; overflow: visible; }
.hotspot {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 2;
  padding: 8px;
  cursor: pointer;
}
.hotspot-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #dc2626;
  position: relative;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(220,38,38,.4);
}
.hotspot-dot::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: rgba(220,38,38,.15);
  animation: pulse 2.5s ease-out infinite;
}
.globe-caption {
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 10px;
  letter-spacing: .3px;
}

/* Legend grid below map */
.map-legend {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.legend-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: box-shadow .2s, transform .2s, background .2s;
}
.legend-highlight {
  box-shadow: 0 6px 24px rgba(0,102,204,.25);
  transform: translateY(-3px) scale(1.03);
  background: #eef4ff;
  border-color: var(--accent);
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dc2626;
  flex-shrink: 0;
}
.legend-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 2px;
}
.legend-indicators {
  display: flex;
  gap: 8px;
}
.legend-ind {
  font-size: 12px;
  font-weight: 700;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .6; }
  100% { transform: scale(4); opacity: 0; }
}

/* ===== Trend Cards ===== */
.trend-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.trend-card {
  padding: 24px 24px 24px 22px;
  border-left: 3px solid var(--accent);
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
  box-shadow: var(--shadow);
}
.trend-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.trend-card p { color: var(--text-muted); font-size: 15px; line-height: 1.75; }

/* ===== Risk Dashboard (war dashboard style, static HTML) ===== */
#risk-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.conflict-section {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-alt);
}
.section-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.situation-briefing {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}
.prob-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.prob-card {
  background: var(--bg-alt);
  border-radius: 10px;
  padding: 16px;
}
.prob-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.prob-type {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.prob-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
}
.prob-value {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Fira Code", "Menlo", monospace;
}
.prob-sub {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 8px;
}
.bar-bg {
  height: 5px;
  background: rgba(0,0,0,.06);
  border-radius: 3px;
  overflow: hidden;
  min-width: 80px;
  margin-bottom: 8px;
}
.bar-fill {
  height: 100%;
  border-radius: 3px;
}
.prob-deltas {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-light);
}
.delta-group { display: inline-flex; gap: 4px; align-items: center; }
.delta { font-weight: 600; font-size: 11px; }
.delta-up { color: #dc2626; }
.delta-down { color: #16a34a; }
.delta-flat { color: var(--text-light); }
.delta-na { color: var(--text-light); }
.near-term {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(0,0,0,.06);
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 11px;
}
.near-term-label {
  background: #dc2626;
  color: #fff;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
}
.near-term-label.near-term-positive {
  background: #2563eb;
}
.near-term-val { color: var(--text-muted); }
.near-term-val strong { color: var(--text); }
/* Risk impact tags */
.risk-impact {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.impact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}
.impact-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  min-width: 56px;
}
.impact-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}
.impact-industry { background: rgba(0,102,204,.06); color: var(--accent); }
.impact-asset { background: rgba(245,158,11,.08); color: #b45309; }
.impact-channel {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--border);
  margin-bottom: 4px;
  line-height: 1.5;
}
.risk-footer {
  text-align: center;
  color: var(--text-light);
  font-size: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== News (expandable) ===== */
.news-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: box-shadow .2s;
}
.news-item:hover { box-shadow: var(--shadow-lg); }
.news-item[open] { box-shadow: var(--shadow-lg); }
.news-summary {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}
.news-summary::-webkit-details-marker { display: none; }
.news-summary::marker { display: none; content: ''; }
.news-date { flex: 0 0 64px; font-size: 13px; color: var(--text-light); font-variant-numeric: tabular-nums; }
.news-region {
  flex: 0 0 auto;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0,102,204,.06);
  color: var(--accent);
}
.news-text { flex: 1; font-size: 14px; color: var(--text); line-height: 1.6; }
.news-toggle {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}
.news-item[open] .news-toggle { opacity: .5; }
.news-detail {
  padding: 0 20px 16px;
  border-top: 1px solid var(--border);
  margin: 0 20px;
  padding-top: 14px;
}
.news-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.news-detail-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.news-prob-change {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-alt);
  color: var(--text-muted);
}
.news-prob-change.prob-up { color: var(--risk-high); background: rgba(220,53,69,.06); }
.news-prob-change.prob-down { color: var(--risk-low); background: rgba(40,167,69,.06); }
.news-sources {
  list-style: none;
  padding: 0;
}
.news-sources li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 0;
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
  border-bottom: 1px solid rgba(0,0,0,.03);
}
.news-sources li:last-child { border-bottom: none; }
.news-sources li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.news-sources li strong { color: var(--text); font-weight: 600; }
.news-footer {
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
  margin-top: 20px;
}

/* ===== Cascade Demo ===== */
.cascade-demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.cascade-label {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.cascade-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; color: var(--text); }
.cascade-chain {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}
.cascade-step {
  flex: 1;
  min-width: 180px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
}
.cascade-arrow {
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}
.cascade-step-prob {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--text-muted);
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
  border: 1px solid var(--border);
}
.cascade-step h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.cascade-step p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.cascade-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.cascade-tag { padding: 2px 8px; border-radius: 3px; font-size: 11px; font-weight: 600; }
.cascade-tag.sector { background: rgba(0,102,204,.06); color: var(--accent); }
.cascade-tag.asset { background: rgba(245,158,11,.08); color: var(--risk-medium); }
.cascade-history {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.cascade-history h4 {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.history-item { display: flex; gap: 12px; align-items: baseline; font-size: 13px; margin-bottom: 5px; }
.history-date { color: var(--text-light); font-size: 12px; flex: 0 0 56px; }
.history-impact { color: var(--risk-high); font-weight: 600; }
.cascade-disclaimer { color: var(--text-light); font-size: 13px; text-align: center; margin-top: 12px; }

/* ===== Impact Calculation ===== */
.impact-calc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.impact-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 20px;
}
.impact-formula {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.impact-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.impact-line:last-child { border-bottom: none; }
.impact-label { color: var(--text-muted); }
.impact-value { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--text); }
.impact-value.highlight { color: var(--accent); font-size: 18px; }
.impact-result {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 2px solid var(--border) !important;
  border-bottom: none !important;
}
.impact-detail h4 { font-size: 14px; font-weight: 600; margin-bottom: 8px; margin-top: 16px; color: var(--text); }
.impact-detail h4:first-child { margin-top: 0; }
.impact-detail ul { list-style: none; padding: 0; }
.impact-detail li {
  font-size: 14px; color: var(--text-muted); padding: 4px 0; padding-left: 16px; position: relative;
}
.impact-detail li::before { content: '·'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.impact-detail strong { color: var(--risk-high); }
.impact-note {
  color: var(--text-light);
  font-size: 13px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ===== Methodology ===== */
.method-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 48px 0 24px;
}
.method-step {
  padding: 24px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.method-step h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.method-step p { font-size: 13px; color: var(--text-muted); }
.method-number {
  font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: 1px; margin-bottom: 10px;
}
.method-arrow { display: none; }
.method-note { text-align: center; color: var(--text-light); font-size: 13px; margin-top: 16px; }

/* ===== Team ===== */
.team-section { text-align: center; max-width: 640px; margin: 40px auto 0; }
.team-desc { font-size: 17px; line-height: 1.85; color: var(--text-muted); }
.team-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; }
.team-tag {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .3px;
  background: var(--bg-card);
}

/* ===== Tiers ===== */
.tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.tier-card.featured { border-color: var(--accent); box-shadow: 0 2px 12px rgba(0,102,204,.08); }
.tier-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.tier-card .tier-desc { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }
.tier-features { list-style: none; }
.tier-features li {
  padding: 6px 0; font-size: 14px; color: var(--text-muted); display: flex; gap: 10px; align-items: baseline;
}
.tier-features li::before { content: '—'; color: var(--accent); flex-shrink: 0; }
.tier-card .tier-target {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 14px;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
  background: var(--bg-alt);
}
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 12px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 13px; }
.footer-links a:hover { color: var(--text); }
.footer-disclaimer { max-width: 500px; margin: 12px auto 0; font-size: 11px; color: var(--text-light); }

/* ===== Demo Page ===== */
.demo-page { min-height: 100vh; padding-top: 100px; }
.demo-intro { max-width: 520px; margin: 0 auto 36px; text-align: center; }
.demo-intro p { color: var(--text-muted); font-size: 15px; }
.tally-embed {
  max-width: 560px; margin: 0 auto;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 32px;
  box-shadow: var(--shadow-lg);
}
.tally-embed iframe { width: 100%; border: none; min-height: 500px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px;
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-size: 14px; font-family: var(--font);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { min-height: 72px; resize: vertical; }
.form-submit {
  width: 100%; padding: 12px;
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: background .2s;
}
.form-submit:hover { background: var(--accent-hover); }

/* ===== API Docs Page ===== */
.docs-page { padding-top: 100px; }
.docs-content { max-width: 720px; margin: 0 auto; }
.docs-content h2 { font-size: 22px; margin-top: 48px; margin-bottom: 14px; color: var(--text); }
.docs-content h3 { font-size: 17px; margin-top: 28px; margin-bottom: 10px; color: var(--accent); }
.docs-content p { color: var(--text-muted); margin-bottom: 14px; font-size: 15px; }
.docs-content code { background: var(--bg-alt); padding: 2px 7px; border-radius: 3px; font-size: 13px; color: var(--text); }
.code-block {
  background: #1a1a2e; color: #e8e8ed;
  border: 1px solid #2a2a3a; border-radius: 8px; padding: 18px;
  overflow-x: auto; margin: 14px 0; font-size: 13px; line-height: 1.6;
}
.code-block code { background: none; padding: 0; color: #e8e8ed; }
.schema-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13px; }
.schema-table th, .schema-table td { padding: 8px 12px; border: 1px solid var(--border); text-align: left; }
.schema-table th { background: var(--bg-alt); font-weight: 600; font-size: 12px; color: var(--text); }
.schema-table td { color: var(--text-muted); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  section { padding: 64px 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { margin-top: 24px; }
  .hero h1 { font-size: 26px; }
  .hero-desc { font-size: 16px; }
  .cascade-chain { flex-direction: column; }
  .cascade-arrow { transform: rotate(90deg); flex: 0 0 28px; display: flex; }
  .method-flow { grid-template-columns: repeat(2, 1fr); }
  .risk-grid { grid-template-columns: 1fr !important; }
  .compact-row { grid-template-columns: 1fr; }
  .tiers-grid { grid-template-columns: 1fr; }
  .impact-body { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; gap: 8px; }
  .news-date { flex: none; }
}