/* =====================================================
   XPROBOT — WHITEPAPER STYLES
   Dark professional document theme
   ===================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:        #00d4ff;
  --accent2:       #8b5cf6;
  --accent3:       #00ffaa;
  --neon:          #6366f1;
  --gold:          #f59e0b;
  --danger:        #ef4444;
  --warning:       #f59e0b;
  --success:       #10b981;
  --bg:            #050a14;
  --bg2:           #080f1e;
  --card-bg:       rgba(255,255,255,0.04);
  --card-border:   rgba(255,255,255,0.08);
  --text:          #e2e8f0;
  --text-muted:    #94a3b8;
  --text-dim:      #64748b;
  --font:          'Inter', sans-serif;
  --font-display:  'Space Grotesk', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --nav-h:         64px;
  --sidebar-w:     260px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── TOP NAV ─────────────────────────────────────────── */
.wp-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(5,10,20,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 1000;
}

.wp-nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.03em;
}
.wp-nav-logo span { color: var(--accent); }

.wp-nav-center {
  display: flex; align-items: center; gap: 0.5rem;
}
.wp-doc-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.wp-doc-label i { color: var(--accent2); margin-right: 0.4rem; }

.wp-nav-actions { display: flex; gap: 0.7rem; }

.wp-btn-print, .wp-btn-home {
  padding: 0.45rem 1rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: all 0.2s;
}
.wp-btn-print {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}
.wp-btn-print:hover { background: rgba(255,255,255,0.12); color: #fff; }

.wp-btn-home {
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.35);
  color: var(--accent2);
}
.wp-btn-home:hover { background: rgba(99,102,241,0.3); color: #fff; }

/* ── COVER SECTION ───────────────────────────────────── */
.wp-cover {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--nav-h);
}

.wp-cover-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(99,102,241,0.2) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 60%, rgba(0,212,255,0.12) 0%, transparent 50%),
    linear-gradient(180deg, #050a14 0%, #080f20 100%);
}

.wp-cover-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 4rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 1.2rem;
}

.wp-cover-badge {
  padding: 0.5rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  backdrop-filter: blur(8px);
}
.wp-cover-badge i { color: var(--accent); margin: 0 0.3rem; }

.wp-cover-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 80px rgba(99,102,241,0.4);
}
.accent { color: var(--accent); }

.wp-cover-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--accent2);
  text-transform: uppercase;
}

.wp-cover-tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

.wp-cover-meta {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}
.wp-cover-meta span {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 0.4rem;
}
.wp-cover-meta i { color: var(--accent); }

/* Orbs */
.wp-cover-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
  pointer-events: none;
  animation: wpOrbFloat 8s ease-in-out infinite;
}
.orb-a { width: 500px; height: 500px; background: var(--accent2); top: -100px; right: -100px; }
.orb-b { width: 350px; height: 350px; background: var(--accent);  bottom: -50px; left: -80px; animation-delay: -4s; }
.orb-c { width: 280px; height: 280px; background: var(--accent3); top: 40%; left: 50%; transform: translateX(-50%); animation-delay: -2s; }
@keyframes wpOrbFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-25px); }
}

/* ── LAYOUT ──────────────────────────────────────────── */
.wp-layout {
  display: flex;
  max-width: 1300px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  gap: 3rem;
  position: relative;
}

/* ── SIDEBAR ─────────────────────────────────────────── */
.wp-sidebar {
  flex-shrink: 0;
  width: var(--sidebar-w);
}

.toc-sticky {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
}

.toc-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.toc-title i { color: var(--accent2); margin-right: 0.4rem; }

.toc-links {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.toc-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: all 0.2s;
  border-left: 2px solid transparent;
}
.toc-link:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
}
.toc-link.toc-link-active {
  background: rgba(99,102,241,0.12);
  color: var(--accent2);
  border-left-color: var(--accent2);
  font-weight: 600;
}
.toc-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  min-width: 20px;
}

/* Progress */
.toc-progress-wrap { margin-top: 1.2rem; border-top: 1px solid var(--card-border); padding-top: 1rem; }
.toc-prog-label { font-size: 0.68rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.toc-progress-track { height: 4px; border-radius: 2px; background: rgba(255,255,255,0.08); overflow: hidden; }
.toc-progress-fill { height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--accent2), var(--accent)); transition: width 0.3s ease; width: 0%; }
.toc-prog-pct { font-size: 0.72rem; color: var(--accent); font-weight: 700; float: right; margin-top: 0.3rem; }

/* ── DOCUMENT BODY ───────────────────────────────────── */
.wp-body {
  flex: 1;
  min-width: 0;
}

/* ── SECTION BASE ────────────────────────────────────── */
.wp-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--card-border);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.wp-section.visible { opacity: 1; transform: translateY(0); }
.wp-section:last-child { border-bottom: none; }

.section-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent2);
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.section-divider {
  width: 48px; height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  margin: 0.8rem 0 1.8rem;
}

/* ── TYPOGRAPHY ──────────────────────────────────────── */
.wp-lead {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.8;
  font-weight: 400;
}

.wp-h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin: 2rem 0 0.8rem;
}
.wp-h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.4rem 0 0.6rem;
  letter-spacing: 0.02em;
}

p { color: var(--text-muted); margin-bottom: 0.8rem; line-height: 1.8; }
p:last-child { margin-bottom: 0; }
p strong { color: var(--text); }
p em { color: var(--accent2); font-style: normal; font-weight: 500; }
.mt-p { margin-top: 1rem; }

.wp-list {
  list-style: none;
  padding: 0;
  margin: 0.6rem 0 1rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.wp-list li {
  display: flex; align-items: flex-start;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.wp-list li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--accent2);
  font-size: 0.8rem;
  top: 0.1rem;
}

/* ── CALLOUTS ────────────────────────────────────────── */
.wp-callout {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.1rem 1.4rem;
  border-radius: 12px;
  margin: 1.4rem 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-muted);
}
.wp-callout i { flex-shrink: 0; font-size: 1rem; margin-top: 0.1rem; }
.wp-callout strong { color: var(--text); }
.wp-callout em { color: var(--text); font-style: italic; }

.wp-callout-accent {
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.3);
}
.wp-callout-accent i { color: var(--accent2); }

.wp-callout-warning {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.3);
}
.wp-callout-warning i { color: var(--warning); }
.wp-callout-warning strong { color: #fcd34d; }

.wp-callout-green {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.3);
}
.wp-callout-green i { color: var(--success); }
.wp-callout-green strong { color: #6ee7b7; }
.wp-callout-green em { color: #6ee7b7; font-style: normal; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 1 — ABSTRACT                                  */
/* ══════════════════════════════════════════════════════ */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.pillar-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.4rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pillar-card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 4px 24px rgba(99,102,241,0.1);
}
.pillar-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(0,212,255,0.2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--accent);
}
.pillar-body h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 0.3rem; }
.pillar-body p  { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

.wp-highlight-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.wp-highlight {
  flex: 1; min-width: 160px;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 0.6rem;
}
.wp-highlight i { color: var(--accent); }
.wp-highlight strong { color: var(--text); }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 2 — PROBLEMS                                  */
/* ══════════════════════════════════════════════════════ */
.problem-cards { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 1rem; }
.problem-card {
  display: flex;
  gap: 1.2rem;
  padding: 1.4rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}
.problem-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.problem-icon.danger  { background: rgba(239,68,68,0.15); color: #f87171; }
.problem-icon.warning { background: rgba(245,158,11,0.15); color: #fbbf24; }
.problem-icon.purple  { background: rgba(139,92,246,0.15); color: #a78bfa; }
.problem-icon.blue    { background: rgba(0,212,255,0.12); color: var(--accent); }
.problem-body h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
.problem-body p  { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.problem-result {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; color: #fcd34d;
  margin-top: 0.6rem;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
}
.problem-result i { color: var(--warning); }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 3 — SOLUTION                                  */
/* ══════════════════════════════════════════════════════ */
.solution-layers { display: flex; flex-direction: column; gap: 1.4rem; }
.sol-layer {
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  overflow: hidden;
}
.sol-layer-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--card-border);
}
.sol-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent2);
  background: rgba(99,102,241,0.15);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  flex-shrink: 0;
}
.sol-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent2), var(--neon));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; flex-shrink: 0;
}
.sol-layer-head h3 { font-size: 0.95rem; font-weight: 700; color: #fff; }
.sol-layer-body { padding: 1.2rem 1.4rem; }
.sol-result {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  color: #6ee7b7;
  margin-top: 0.8rem;
}
.sol-result i { color: var(--success); }
.sol-result strong { color: #6ee7b7; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 4 — ARCHITECTURE                              */
/* ══════════════════════════════════════════════════════ */
.wp-infobox {
  border-radius: 14px;
  border: 1px solid rgba(130,71,229,0.35);
  background: rgba(130,71,229,0.07);
  padding: 1.3rem 1.5rem;
  margin: 1.2rem 0;
}
.infobox-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #c4b5fd;
  letter-spacing: 0.05em;
  margin-bottom: 0.9rem;
}
.infobox-title i { color: #a78bfa; margin-right: 0.4rem; }
.infobox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.infobox-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.83rem; color: var(--text-muted);
}
.infobox-item i { color: var(--accent2); width: 16px; }

/* Compare table */
.compare-table {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  margin: 1.2rem 0;
}
.compare-head {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  background: rgba(255,255,255,0.04);
  padding: 0.7rem 1.2rem;
  border-bottom: 1px solid var(--card-border);
}
.compare-col-label { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.compare-col-label.good { color: var(--success); }
.compare-vs { font-size: 0.72rem; font-weight: 700; color: var(--text-dim); text-align: center; }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--card-border);
}
.compare-row:last-child { border-bottom: none; }
.compare-bad, .compare-good {
  padding: 0.7rem 1.2rem;
  font-size: 0.83rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.compare-bad  { color: #f87171; background: rgba(239,68,68,0.04); border-right: 1px solid var(--card-border); }
.compare-bad i  { color: #f87171; }
.compare-good { color: #6ee7b7; background: rgba(16,185,129,0.04); }
.compare-good i { color: var(--success); }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 5 — TRADING SYSTEM                            */
/* ══════════════════════════════════════════════════════ */
.data-stream-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin: 1rem 0;
}
.ds-card {
  padding: 1rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; color: var(--text-muted); text-align: center;
}
.ds-card i { font-size: 1.3rem; color: var(--accent); }

.strategy-cards { display: flex; flex-direction: column; gap: 0.8rem; margin: 0.8rem 0; }
.strat-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}
.strat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.strat-icon.trend { background: rgba(0,212,255,0.12); color: var(--accent); }
.strat-icon.mean  { background: rgba(139,92,246,0.12); color: var(--accent2); }
.strat-icon.break { background: rgba(245,158,11,0.12); color: var(--gold); }
.strat-card h5 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 0.2rem; }
.strat-card p  { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

.factor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin: 0.8rem 0;
}
.factor-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.85rem; color: var(--text-muted);
}
.factor-item i { color: var(--accent2); }

/* Recovery flow */
.recovery-flow-doc {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 1.2rem 0;
  flex-wrap: wrap;
}
.rfd-step {
  flex: 1; min-width: 160px;
  padding: 1.2rem;
  border-radius: 14px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
}
.rfd-step i { font-size: 1.4rem; margin-bottom: 0.2rem; }
.rfd-step h5 { font-size: 0.88rem; font-weight: 700; margin-bottom: 0.2rem; }
.rfd-step p  { font-size: 0.76rem; margin: 0; line-height: 1.5; }
.rfd-red   { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.rfd-amber { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d; margin: 0 0.6rem; }
.rfd-green { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.rfd-arrow { display: flex; align-items: center; color: var(--text-dim); font-size: 1.2rem; padding: 0 0.2rem; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 6 — PERFORMANCE                               */
/* ══════════════════════════════════════════════════════ */
.perf-doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.2rem 0;
}
.perf-doc-card {
  padding: 1.4rem;
  border-radius: 14px;
  background: var(--card-bg);
  display: flex; flex-direction: column; gap: 0.4rem;
}
.perf-doc-card.stable { border: 1px solid rgba(99,102,241,0.35); }
.perf-doc-card.strong { border: 1px solid rgba(139,92,246,0.35); }
.perf-doc-card.peak   { border: 1px solid rgba(0,212,255,0.35); }
.perf-doc-card.daily  { border: 1px solid rgba(245,158,11,0.35); }
.perf-doc-icon { font-size: 1.3rem; }
.perf-doc-card.stable .perf-doc-icon { color: var(--neon); }
.perf-doc-card.strong .perf-doc-icon { color: var(--accent2); }
.perf-doc-card.peak   .perf-doc-icon { color: var(--accent); }
.perf-doc-card.daily  .perf-doc-icon { color: var(--gold); }
.perf-doc-range {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}
.perf-doc-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.perf-doc-card p { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.3rem; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 7 — SERVERS                                   */
/* ══════════════════════════════════════════════════════ */
.server-spec-table {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  margin: 1.2rem 0;
}
.sst-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 2fr;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.85rem;
  gap: 1rem; align-items: center;
}
.sst-row:last-child { border-bottom: none; }
.sst-row.header-row {
  background: rgba(255,255,255,0.04);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.sst-row:not(.header-row) div:first-child { color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; }
.sst-row:not(.header-row) div:first-child i { color: var(--accent2); width: 14px; }
.sst-row:not(.header-row) div:last-child { font-size: 0.8rem; color: var(--text-dim); }
.sst-val { font-family: var(--font-display); font-weight: 700; color: var(--accent); font-size: 0.95rem !important; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 8 — SCALING                                   */
/* ══════════════════════════════════════════════════════ */
.scale-doc-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.sdf-box {
  flex: 1; min-width: 130px;
  padding: 1.3rem 1rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-align: center;
}
.sdf-box i { font-size: 1.6rem; color: var(--accent2); margin-bottom: 0.4rem; display: block; }
.sdf-box h5 { font-size: 0.88rem; font-weight: 700; color: #fff; margin-bottom: 0.2rem; }
.sdf-box p  { font-size: 0.76rem; color: var(--text-muted); margin: 0; line-height: 1.5; }
.highlight-box { border-color: var(--accent); background: rgba(0,212,255,0.06); }
.highlight-box i { color: var(--accent); }
.sdf-arrow {
  display: flex; flex-direction: column; align-items: center; gap: 0.2rem;
  color: var(--text-dim); font-size: 1.2rem;
  flex-shrink: 0;
}
.sdf-arrow span { font-size: 0.65rem; color: var(--text-dim); white-space: nowrap; }

.benefit-grid { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 1rem; }
.benefit-item {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: rgba(16,185,129,0.05);
  border: 1px solid rgba(16,185,129,0.2);
  font-size: 0.85rem; color: var(--text-muted);
}
.benefit-item i { color: var(--success); flex-shrink: 0; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 9 — SECURITY                                  */
/* ══════════════════════════════════════════════════════ */
.security-layers { display: flex; flex-direction: column; gap: 1.2rem; }
.sec-layer-card {
  display: flex;
  gap: 1.2rem;
  padding: 1.4rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}
.sec-layer-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.sec-layer-icon.fund   { background: rgba(0,212,255,0.12); color: var(--accent); }
.sec-layer-icon.access { background: rgba(99,102,241,0.12); color: var(--accent2); }
.sec-layer-icon.id     { background: rgba(16,185,129,0.12); color: var(--success); }
.sec-layer-body h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; }
.sec-guarantee {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--accent);
  margin-top: 0.8rem;
}
.sec-guarantee i { color: var(--accent); }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 10 — TRANSPARENCY                             */
/* ══════════════════════════════════════════════════════ */
.verify-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.2rem 0;
}
.verify-card {
  padding: 1.2rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: border-color 0.2s;
}
.verify-card:hover { border-color: rgba(99,102,241,0.4); }
.verify-card i { font-size: 1.3rem; color: var(--accent2); display: block; margin-bottom: 0.5rem; }
.verify-card h5 { font-size: 0.88rem; font-weight: 700; color: #fff; margin-bottom: 0.3rem; }
.verify-card p  { font-size: 0.78rem; color: var(--text-muted); margin: 0; }

.remove-grid { display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0; }
.remove-item {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: rgba(239,68,68,0.05);
  border: 1px solid rgba(239,68,68,0.2);
  font-size: 0.85rem; color: #fca5a5;
}
.remove-item i { color: #f87171; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 11 — VISION                                   */
/* ══════════════════════════════════════════════════════ */
.vision-doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.2rem 0;
}
.vision-doc-card {
  padding: 1.3rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}
.vision-replace {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  flex-wrap: wrap;
}
.replace-from {
  font-size: 0.82rem;
  color: #f87171;
  display: flex; align-items: center; gap: 0.3rem;
  text-decoration: line-through;
  opacity: 0.7;
}
.replace-from i { color: #f87171; }
.replace-arrow { color: var(--text-dim); font-size: 0.9rem; }
.replace-to {
  font-size: 0.88rem;
  font-weight: 700;
  color: #6ee7b7;
  display: flex; align-items: center; gap: 0.3rem;
}
.replace-to i { color: var(--success); }
.vision-doc-card p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* ══════════════════════════════════════════════════════ */
/*  SECTION 12 — CONCLUSION                               */
/* ══════════════════════════════════════════════════════ */
.conclusion-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.con-pillar {
  padding: 1.4rem 1.2rem;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.con-pillar i { font-size: 1.6rem; color: var(--accent2); }
.con-pillar h4 { font-size: 0.9rem; font-weight: 700; color: #fff; }
.con-pillar p  { font-size: 0.78rem; color: var(--text-muted); margin: 0; }

.wp-final-statement {
  margin: 2.5rem 0;
  padding: 2.5rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(0,212,255,0.08));
  border: 1px solid rgba(99,102,241,0.3);
  display: flex; align-items: center; gap: 1.5rem;
  flex-wrap: wrap;
}
.final-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent2), var(--neon));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #fff; flex-shrink: 0;
}
.wp-final-statement blockquote {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.7;
  border: none; margin: 0; padding: 0;
}
.wp-final-statement blockquote strong { color: #fff; font-size: 1.15em; }

/* Closing brand */
.wp-closing-brand {
  text-align: center;
  padding: 3rem 1rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.closing-logo-doc {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
  text-shadow: 0 0 60px rgba(99,102,241,0.4);
}
.closing-subtitle-doc {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent2);
  text-transform: uppercase;
}
.closing-tags-doc {
  display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center;
  margin-top: 0.5rem;
}
.closing-tags-doc span {
  padding: 0.35rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}
.closing-tags-doc i { color: var(--accent); margin-right: 0.3rem; }
.closing-actions-doc {
  display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center;
  margin-top: 0.8rem;
}
.doc-action-btn {
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: all 0.25s;
}
.primary-btn {
  background: linear-gradient(135deg, var(--accent2), var(--neon));
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.5); }
.outline-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}
.outline-btn:hover { border-color: var(--accent2); color: var(--accent2); }

/* ── SCROLL TO TOP ───────────────────────────────────── */
#wp-scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(99,102,241,0.2);
  border: 1px solid rgba(99,102,241,0.4);
  color: var(--accent2);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  opacity: 0; pointer-events: none;
  z-index: 200;
}
#wp-scroll-top.visible { opacity: 1; pointer-events: all; }
#wp-scroll-top:hover { background: rgba(99,102,241,0.4); color: #fff; transform: translateY(-2px); }

/* ── PRINT STYLES ────────────────────────────────────── */
@media print {
  .wp-nav, .wp-sidebar, #wp-scroll-top { display: none !important; }
  .wp-layout { display: block; padding: 0; }
  .wp-body { max-width: 100%; }
  body { background: white; color: black; }
  .wp-cover { min-height: auto; padding: 2rem; background: none; }
  .wp-cover-bg, .wp-cover-orb { display: none; }
  .wp-cover-title, .section-title { color: black; }
  .pillar-card, .problem-card, .sol-layer, .perf-doc-card,
  .server-spec-table, .sec-layer-card, .verify-card { border: 1px solid #ccc; background: #f9f9f9; }
  .wp-section { opacity: 1 !important; transform: none !important; border-bottom: 1px solid #ccc; }
  p, .wp-list li { color: #333; }
  .wp-callout { border: 1px solid #aaa; background: #f0f0f0; }
  .wp-callout * { color: #333 !important; }
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --sidebar-w: 220px; }
  .wp-layout { gap: 2rem; }
  .pillar-grid { grid-template-columns: 1fr 1fr; }
  .perf-doc-grid { grid-template-columns: 1fr 1fr; }
  .data-stream-grid { grid-template-columns: repeat(2, 1fr); }
  .conclusion-pillars { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .wp-nav-center { display: none; }
  .wp-sidebar { display: none; }
  .wp-layout { padding: 2rem 1rem; }
  .wp-cover-meta { flex-direction: column; gap: 0.5rem; }
  .pillar-grid { grid-template-columns: 1fr; }
  .perf-doc-grid { grid-template-columns: 1fr; }
  .verify-grid { grid-template-columns: 1fr; }
  .vision-doc-grid { grid-template-columns: 1fr; }
  .conclusion-pillars { grid-template-columns: 1fr; }
  .blockchain-grid { grid-template-columns: 1fr; }
  .infobox-grid { grid-template-columns: 1fr; }
  .compare-head { display: none; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-bad  { border-right: none; border-bottom: 1px solid var(--card-border); }
  .factor-grid { grid-template-columns: 1fr; }
  .recovery-flow-doc { flex-direction: column; }
  .rfd-amber { margin: 0.4rem 0; }
  .rfd-arrow { transform: rotate(90deg); }
  .scale-doc-flow { flex-direction: column; }
  .sdf-arrow { transform: rotate(90deg); }
  .server-spec-table .sst-row { grid-template-columns: 1fr 1fr; }
  .sst-row.header-row div:last-child { display: none; }
  .sst-row:not(.header-row) div:last-child { display: none; }
  .wp-final-statement { flex-direction: column; text-align: center; }
  .problem-card { flex-direction: column; }
  .sec-layer-card { flex-direction: column; }
  #wp-scroll-top { bottom: 1rem; right: 1rem; }
}