/* ══════════════════════════════════════
   FERROS — SHARED PAGE STYLES
   (Agents, Build, and other sub-pages)
   ══════════════════════════════════════ */

/* ── Active nav link ── */
.nav-active { color: var(--brand-400) !important; }

/* ── PAGE HERO ── */
.page-hero {
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
}
.page-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent);
  pointer-events: none;
}
.page-hero-glow {
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(20,184,166,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-content {
  position: relative; z-index: 1;
  text-align: center;
}
.page-hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--surface-900);
}
.page-hero-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--surface-600);
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

/* ══════════════════════════════
   AGENTS PAGE
   ══════════════════════════════ */

/* ── Problem cards ── */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.p-card {
  padding: 32px 28px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
}
.p-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--surface-900);
}
.p-card p {
  font-size: 0.92rem;
  color: var(--surface-500);
  line-height: 1.6;
}

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.f-card {
  padding: 32px 28px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s;
}
.f-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.f-icon {
  width: 36px; height: 36px;
  color: var(--brand-400);
  margin-bottom: 16px;
}
.f-icon svg { width: 100%; height: 100%; }
.f-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.f-card p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.6; }

/* ── MPP Flow ── */
.mpp-flow {
  max-width: 480px;
  margin: 0 auto 64px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mpp-flow-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
}
.mpp-step-402 { border-color: rgba(248,113,113,0.3); }
.mpp-step-ok { border-color: rgba(20,184,166,0.3); }
.mpp-step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface-200);
  color: var(--surface-600);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
  flex-shrink: 0;
}
.mpp-step-402 .mpp-step-num { background: rgba(248,113,113,0.15); color: #f87171; }
.mpp-step-ok .mpp-step-num { background: rgba(20,184,166,0.15); color: var(--brand-400); }
.mpp-step-content h4 { font-size: 0.9rem; margin-bottom: 4px; color: var(--surface-800); }
.mpp-step-content code {
  font-size: 0.78rem; color: var(--surface-500);
  background: var(--surface-100); padding: 2px 8px; border-radius: 4px;
}
.mpp-flow-arrow {
  display: flex; justify-content: center; padding: 4px 0;
  color: var(--surface-400);
}
.mpp-flow-arrow svg { width: 20px; height: 20px; }

/* ── MPP Modes ── */
.mpp-modes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.mpp-mode {
  padding: 32px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
}
.mpp-mode-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.mpp-mode h3 { font-size: 1.2rem; margin-bottom: 10px; }
.mpp-mode p { font-size: 0.92rem; color: var(--surface-500); line-height: 1.6; margin-bottom: 20px; }
.mpp-mode-stats {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.mpp-mode-stats div {
  font-size: 0.8rem; color: var(--surface-500);
  padding: 6px 12px; border-radius: 6px;
  background: var(--surface-100);
}
.mpp-mode-stats span {
  font-weight: 700; color: var(--surface-700);
  display: block; font-size: 0.9rem;
}

/* ── MCP Features ── */
.mcp-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mcp-item {
  padding: 28px 24px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
}
.mcp-item h3 { font-size: 1rem; margin-bottom: 8px; }
.mcp-item p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.6; }

/* ── Code two-col ── */
.code-two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.code-col .code-caption-big { margin-top: 16px; }
.code-single {
  max-width: 700px;
  margin: 0 auto;
}

/* ══════════════════════════════
   BUILD PAGE
   ══════════════════════════════ */

/* ── Quick Start ── */
.qs-steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}
.qs-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.qs-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(20,184,166,0.1);
  color: var(--brand-400);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800;
  flex-shrink: 0;
  margin-top: 4px;
}
.qs-content { flex: 1; }
.qs-content h3 { font-size: 1.1rem; margin-bottom: 12px; }
.qs-step .code-window { margin-bottom: 0; }

/* ── Architecture layers ── */
.arch-layers {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.arch-layer {
  padding: 32px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
}
.arch-edge {
  background: linear-gradient(135deg, rgba(20,184,166,0.04), rgba(20,184,166,0.01));
  border-color: var(--border-brand);
}
.arch-root {
  background: var(--surface-100);
}
.arch-layer-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.arch-layer p { font-size: 0.92rem; color: var(--surface-500); line-height: 1.6; margin-bottom: 16px; }
.arch-caps {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.arch-caps span {
  padding: 5px 12px; border-radius: 6px;
  font-size: 0.78rem; font-weight: 600;
  background: var(--surface-200); color: var(--surface-600);
}
.arch-edge .arch-caps span {
  background: rgba(20,184,166,0.08); color: var(--brand-400);
}
.arch-connector {
  display: flex; align-items: center; gap: 12px;
  justify-content: center;
  padding: 12px 0;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--surface-400);
}
.arch-connector-line {
  width: 2px; height: 24px;
  background: var(--border-subtle);
}

/* ── Fee table extras ── */
.fee-table-wrap { margin-bottom: 48px; }
.fee-examples {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.fee-ex {
  padding: 28px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
}
.fee-ex h4 {
  font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--brand-400);
  margin-bottom: 16px;
}
.fee-ex-list {
  display: flex; flex-direction: column; gap: 10px;
}
.fee-ex-item {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.88rem; color: var(--surface-600);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}
.fee-ex-item:last-child { border-bottom: none; padding-bottom: 0; }
.fee-ex-item span:last-child {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600; font-size: 0.82rem;
  color: var(--surface-500);
}

/* ── SDK Grid ── */
.sdk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.sdk-card {
  padding: 28px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s;
}
.sdk-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.sdk-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.sdk-lang {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 4px;
  background: var(--surface-200); color: var(--surface-600);
}
.sdk-status {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  padding: 3px 10px; border-radius: 4px;
}
.sdk-ready { background: rgba(20,184,166,0.1); color: var(--brand-400); }
.sdk-coming { background: rgba(251,191,36,0.1); color: #fbbf24; }
.sdk-card h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem; margin-bottom: 8px;
}
.sdk-card p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.5; margin-bottom: 16px; }
.sdk-features {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.sdk-features span {
  padding: 4px 10px; border-radius: 4px;
  font-size: 0.75rem; font-weight: 600;
  background: var(--surface-200); color: var(--surface-600);
}
.sdk-features a { color: var(--brand-400); text-decoration: none; }

/* ── Use cases ── */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.usecase {
  padding: 28px 24px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
  transition: all 0.3s;
}
.usecase:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.usecase h3 { font-size: 1rem; margin-bottom: 8px; }
.usecase p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.6; }

/* ── Status blocks ── */
.status-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.status-block {
  padding: 32px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  background: var(--surface-100);
}
.status-block h3 {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 24px;
}
.status-built h3 { color: var(--brand-400); }
.status-coming h3 { color: var(--surface-500); }
.status-block ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.status-block li {
  font-size: 0.88rem; color: var(--surface-600); line-height: 1.5;
  padding-left: 24px; position: relative;
}
.status-built li::before {
  content: ''; position: absolute; left: 0; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(20,184,166,0.15); border: 2px solid var(--brand-500);
}
.status-coming li::before {
  content: ''; position: absolute; left: 0; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--surface-300);
}
.status-block code {
  background: var(--surface-200); padding: 1px 6px; border-radius: 3px;
  font-size: 0.82rem; color: var(--brand-400);
}

/* ── Resource cards ── */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.resource-card {
  padding: 32px 28px;
  border-radius: var(--r);
  border: 1px solid var(--border-subtle);
  background: var(--surface-50);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.resource-card:hover {
  border-color: var(--border-brand);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.resource-icon { width: 32px; height: 32px; color: var(--brand-400); }
.resource-icon svg { width: 100%; height: 100%; }
.resource-card h3 { font-size: 1.05rem; margin: 0; }
.resource-card p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.5; margin: 0; }

/* ══════════════════════════════
   ECONOMICS PAGE
   ══════════════════════════════ */

/* Thesis split */
.econ-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.econ-split-card {
  padding: 48px 36px; border-radius: var(--r-lg); text-align: center;
  border: 1px solid var(--border-subtle);
}
.econ-split-stable { background: rgba(20,184,166,0.03); border-color: var(--border-brand); }
.econ-split-frs { background: rgba(192,132,252,0.03); border-color: rgba(192,132,252,0.2); }
.econ-split-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; margin-bottom: 12px; display: block;
}
.econ-split-stable .econ-split-label { color: var(--brand-400); }
.econ-split-frs .econ-split-label { color: #c084fc; }
.econ-split-big {
  font-family: 'JetBrains Mono', monospace; font-weight: 900;
  font-size: clamp(3rem, 8vw, 5rem); line-height: 1; margin-bottom: 16px;
}
.econ-split-stable .econ-split-big {
  background: linear-gradient(135deg, var(--brand-300), var(--brand-500));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.econ-split-frs .econ-split-big {
  background: linear-gradient(135deg, #e9d5ff, #a78bfa);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.econ-split-pct { font-size: 0.5em; }
.econ-split-card p { color: var(--surface-500); font-size: 0.95rem; line-height: 1.6; max-width: 360px; margin: 0 auto; }

/* Key stats */
.key-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.key-stat {
  text-align: center; padding: 32px 20px;
  border-radius: var(--r); border: 1px solid var(--border-subtle);
}
.key-stat-value {
  font-family: 'JetBrains Mono', monospace; font-weight: 900;
  font-size: 2.5rem; color: var(--surface-900); margin-bottom: 4px;
}
.key-stat-label {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--brand-400); margin-bottom: 12px;
}
.key-stat p { font-size: 0.82rem; color: var(--surface-500); line-height: 1.5; }

/* Callout box */
.econ-callout {
  padding: 24px 28px; border-radius: var(--r);
  background: var(--surface-50); border: 1px solid var(--border-subtle);
  margin-top: 40px;
}
.econ-callout h4 {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--surface-500); margin-bottom: 16px;
}
.econ-callout-items { display: flex; flex-direction: column; gap: 8px; }
.econ-callout-items span {
  font-size: 0.9rem; color: var(--surface-600); line-height: 1.5;
  padding-left: 20px; position: relative;
}
.econ-callout-items span::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--surface-300);
}

/* Revenue split */
.revenue-split { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rev-card {
  padding: 36px 28px; border-radius: var(--r-lg); text-align: center;
  border: 1px solid var(--border-subtle); background: var(--surface-50);
}
.rev-pct {
  font-family: 'JetBrains Mono', monospace; font-weight: 900;
  font-size: 3rem; line-height: 1; margin-bottom: 12px;
}
.rev-stakers .rev-pct { color: var(--brand-400); }
.rev-treasury .rev-pct { color: var(--surface-600); }
.rev-buyback .rev-pct { color: var(--surface-600); }
.rev-card h3 { font-size: 1rem; margin-bottom: 8px; }
.rev-card p { font-size: 0.85rem; color: var(--surface-500); line-height: 1.5; }

/* Depth columns */
.depth-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.depth-col {
  padding: 32px; border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle); background: var(--surface-100);
}
.depth-col h4 {
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; color: var(--brand-400); margin-bottom: 8px;
}
.depth-col > p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.5; margin-bottom: 20px; }
.depth-table { display: flex; flex-direction: column; gap: 0; }
.depth-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}
.depth-row:last-child { border-bottom: none; }
.depth-row span:first-child { color: var(--surface-600); }
.depth-row span:last-child { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--surface-700); }
.depth-row-max span:last-child { color: var(--brand-400); }

/* Builder tracks */
.builder-tracks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.builder-track {
  padding: 32px 28px; border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle); background: var(--surface-50);
}
.builder-track-label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--brand-400); margin-bottom: 8px; display: block;
}
.builder-track h3 { font-size: 1.15rem; margin-bottom: 4px; }
.builder-track-pool {
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem;
  font-weight: 700; color: var(--brand-400); margin-bottom: 12px;
}
.builder-track > p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.5; margin-bottom: 16px; }
.builder-track-detail { display: flex; flex-direction: column; gap: 6px; }
.builder-track-detail span {
  font-size: 0.8rem; color: var(--surface-600);
  padding: 6px 12px; border-radius: 6px;
  background: var(--surface-100);
}

/* Auction stats */
.auction-details { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.auction-stat {
  text-align: center; padding: 32px 20px;
  border-radius: var(--r); border: 1px solid var(--border-subtle);
}
.auction-stat-value {
  font-family: 'JetBrains Mono', monospace; font-weight: 900;
  font-size: 2.2rem; color: var(--brand-400); margin-bottom: 8px;
}
.auction-stat p { font-size: 0.85rem; color: var(--surface-500); }

/* Privacy tiers */
.privacy-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.privacy-tier {
  padding: 32px 28px; border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle); background: var(--surface-50);
  transition: all 0.3s;
}
.privacy-tier:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.privacy-tier-header { margin-bottom: 16px; }
.privacy-tier h3 { font-size: 1.1rem; margin-bottom: 8px; }
.privacy-tier p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.6; }

/* ══════════════════════════════
   PRIVACY PAGE
   ══════════════════════════════ */

/* Tier detail rows */
.tier-details { margin-top: 20px; display: flex; flex-direction: column; gap: 0; }
.tier-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}
.tier-row:last-child { border-bottom: none; }
.tier-row span:first-child { color: var(--surface-500); }
.tier-row span:last-child { font-weight: 600; color: var(--surface-700); }
.privacy-tier-conf { border-color: rgba(192,132,252,0.15); }
.privacy-tier-priv { border-color: rgba(251,191,36,0.15); }

/* Shielded pool flow */
.pool-flow {
  display: flex; align-items: stretch; gap: 0;
  max-width: 800px; margin: 0 auto;
}
.pool-step {
  flex: 1; padding: 28px 24px; border-radius: var(--r);
  border: 1px solid var(--border-subtle); background: var(--surface-50);
}
.pool-step-shielded {
  background: rgba(20,184,166,0.03); border-color: var(--border-brand);
}
.pool-step-label {
  display: block; font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--brand-400); margin-bottom: 10px;
}
.pool-step p { font-size: 0.85rem; color: var(--surface-500); line-height: 1.5; }
.pool-arrow {
  display: flex; align-items: center; padding: 0 12px;
  color: var(--surface-400);
}

/* Disclosure grid */
.disclosure-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.disclosure-item {
  padding: 24px; border-radius: var(--r);
  border: 1px solid var(--border-subtle);
}
.disclosure-item h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem; color: var(--brand-400); margin-bottom: 6px;
}
.disclosure-item p { font-size: 0.85rem; color: var(--surface-500); line-height: 1.5; }

/* Crypto grid */
.crypto-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.crypto-item {
  padding: 28px; border-radius: var(--r);
  border: 1px solid var(--border-subtle); background: var(--surface-50);
}
.crypto-item h4 { font-size: 1rem; margin-bottom: 8px; }
.crypto-item p { font-size: 0.88rem; color: var(--surface-500); line-height: 1.6; }

/* ══════════════════════════════
   RESPONSIVE
   ══════════════════════════════ */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .code-two-col { grid-template-columns: 1fr; }
  .sdk-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .page-hero { padding: 140px 0 60px; }
  .page-hero-title { font-size: 2.2rem; }
  .problem-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr !important; }
  .mpp-modes { grid-template-columns: 1fr; }
  .mcp-features { grid-template-columns: 1fr; }
  .fee-examples { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .status-two-col { grid-template-columns: 1fr; }
  .resource-grid { grid-template-columns: 1fr; }
  .qs-step { flex-direction: column; gap: 12px; }
  .econ-split { grid-template-columns: 1fr; }
  .key-stats { grid-template-columns: 1fr 1fr; }
  .revenue-split { grid-template-columns: 1fr; }
  .depth-cols { grid-template-columns: 1fr; }
  .builder-tracks { grid-template-columns: 1fr; }
  .auction-details { grid-template-columns: 1fr 1fr; }
  .privacy-tiers { grid-template-columns: 1fr; }
  .pool-flow { flex-direction: column; }
  .pool-arrow { justify-content: center; padding: 8px 0; transform: rotate(90deg); }
  .disclosure-grid { grid-template-columns: 1fr; }
  .crypto-grid { grid-template-columns: 1fr; }
}