/* =============================================================
   WDLAB-AlphaForge Project Page · Neumorphism Design System
   - Base: light gray surface (#E6E9EF)
   - Accent: Cyan (#00B8D4) + Pink (#FF2D95)
   - Effects: Convex (raised) / Concave (pressed) soft shadows
   - 운용 철학: 절제된 미학 · 핑크는 위험과 정지에만, 청록은 주의에만
   ============================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:            #E6E9EF;
  --bg-soft:       #ECEFF4;
  --surface:       #E8ECF1;

  --text-1:        #2C3E50;
  --text-2:        #5A6478;
  --text-3:        #8E97AC;

  /* AlphaForge palette: cyan = caution / pink = danger·halt */
  --led-cyan:      #00B8D4;
  --led-cyan-2:    #4DD0E1;
  --led-cyan-glow: rgba(0, 184, 212, 0.42);

  --led-pink:      #FF2D95;
  --led-pink-2:    #FF6FB5;
  --led-pink-glow: rgba(255, 45, 149, 0.45);

  --led-amber:     #F4A11C;
  --led-amber-glow:rgba(244, 161, 28, 0.40);

  --led-green:     #2ecc71;

  --shadow-light:  #FFFFFF;
  --shadow-dark:   #C5CCD9;
  --shadow-darker: #A3B1C6;

  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  22px;
  --radius-xl:  32px;

  --sb-w: 290px;
  --pad: 32px;

  --shadow-raised: 9px 9px 22px var(--shadow-dark), -9px -9px 22px var(--shadow-light);
  --shadow-raised-sm: 5px 5px 12px var(--shadow-dark), -5px -5px 12px var(--shadow-light);
  --shadow-pressed: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light);
  --shadow-pressed-sm: inset 3px 3px 7px var(--shadow-dark), inset -3px -3px 7px var(--shadow-light);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text-1); }
body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
code { font-family: 'JetBrains Mono', monospace; font-size: 0.85em; padding: 2px 6px; border-radius: 6px;
       background: var(--bg-soft); box-shadow: var(--shadow-pressed-sm); color: var(--led-cyan); }

/* ---------- Neumorphism utilities ---------- */
.neu-raised {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
}
.neu-pressed {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pressed);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sb-w);
  height: 100vh;
  padding: 26px 18px 20px;
  background: var(--bg);
  box-shadow: 12px 0 30px rgba(163,177,198,0.35);
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  z-index: 100;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--shadow-dark); border-radius: 3px; }

/* Brand */
.brand {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 12px;
}
.brand-logo {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  gap: 6px;
  background: var(--bg);
}
.brand-logo.small { width: 40px; height: 40px; border-radius: 12px; gap: 4px; }
.led {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block;
}
.brand-logo.small .led { width: 7px; height: 7px; }
.led-cy {
  background: var(--led-cyan);
  box-shadow: 0 0 8px var(--led-cyan-glow), 0 0 18px var(--led-cyan-glow);
  animation: pulseCyan 2.4s ease-in-out infinite;
}
.led-pk {
  background: var(--led-pink);
  box-shadow: 0 0 8px var(--led-pink-glow), 0 0 18px var(--led-pink-glow);
  animation: pulsePink 2.4s ease-in-out infinite 0.6s;
}
@keyframes pulseCyan {
  0%,100% { box-shadow: 0 0 8px var(--led-cyan-glow), 0 0 18px var(--led-cyan-glow); transform: scale(1); }
  50%     { box-shadow: 0 0 12px var(--led-cyan-glow), 0 0 28px var(--led-cyan-glow); transform: scale(1.12); }
}
@keyframes pulsePink {
  0%,100% { box-shadow: 0 0 8px var(--led-pink-glow), 0 0 18px var(--led-pink-glow); transform: scale(1); }
  50%     { box-shadow: 0 0 12px var(--led-pink-glow), 0 0 28px var(--led-pink-glow); transform: scale(1.12); }
}
.brand-title { font-size: 16px; font-weight: 800; letter-spacing: -0.02em; color: var(--text-1); }
.brand-subtitle { font-size: 11px; font-weight: 500; color: var(--text-3); margin-top: 2px; }

/* Nav */
.nav-sections { display: flex; flex-direction: column; gap: 14px; flex: 1; }
.nav-group { display: flex; flex-direction: column; gap: 4px; }
.nav-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 8px 14px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 12px;
  transition: all .25s ease;
  position: relative;
  cursor: pointer;
}
.nav-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
  transition: all .25s ease;
}
.nav-item .dot.dot-cy { background: var(--led-cyan); box-shadow: 0 0 6px var(--led-cyan-glow); }
.nav-item .dot.dot-pk { background: var(--led-pink); box-shadow: 0 0 6px var(--led-pink-glow); }
.nav-item .dot.dot-am { background: var(--led-amber); box-shadow: 0 0 6px var(--led-amber-glow); }
.nav-item:hover {
  color: var(--text-1);
  box-shadow: var(--shadow-raised-sm);
}
.nav-item.active {
  color: var(--text-1);
  font-weight: 700;
  box-shadow: var(--shadow-pressed-sm);
}
.nav-item.active .dot { transform: scale(1.4); }

/* Sidebar footer */
.sidebar-footer {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-2);
  text-align: center;
}
.status-led { display: flex; align-items: center; justify-content: center; gap: 8px; }
.status-led .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--led-green);
  box-shadow: 0 0 6px rgba(46,204,113,0.7), 0 0 14px rgba(46,204,113,0.5);
  animation: livePulse 1.8s ease-in-out infinite;
}
@keyframes livePulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%     { transform: scale(1.3); opacity: 0.7; }
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.content {
  margin-left: var(--sb-w);
  padding: 48px 48px 60px;
  max-width: 1480px;
}

.section {
  padding: 52px 0;
  scroll-margin-top: 24px;
}

/* Section heading */
.section-head { margin-bottom: 36px; max-width: 920px; }
.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg);
  border-radius: 30px;
  box-shadow: var(--shadow-pressed-sm);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: 12px;
}
.section-lead {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 820px;
}

/* Text colors */
.text-cy { color: var(--led-cyan); }
.text-pk { color: var(--led-pink); }
.text-am { color: var(--led-amber); }
.text-grad-cy {
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-cyan-2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-grad-pk {
  background: linear-gradient(135deg, var(--led-pink) 0%, var(--led-pink-2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
  padding: 64px 0 36px;
  text-align: center;
  position: relative;
}
.hero-meta {
  display: flex; gap: 12px; justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.chip {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.hero-title {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 22px;
  text-shadow: 6px 6px 14px var(--shadow-dark), -6px -6px 14px var(--shadow-light);
}
.hero-tagline {
  font-size: 18px;
  color: var(--text-2);
  max-width: 860px;
  margin: 0 auto 18px;
  line-height: 1.7;
}
.hero-tagline b { color: var(--text-1); font-weight: 700; }
.hero-quote {
  font-size: 14px;
  color: var(--text-3);
  max-width: 720px;
  margin: 0 auto 38px;
  font-style: italic;
  letter-spacing: 0.01em;
}

.hero-cta {
  display: flex; gap: 16px; justify-content: center;
  margin-bottom: 56px; flex-wrap: wrap;
}
.btn-neu {
  padding: 16px 30px;
  background: var(--bg);
  border-radius: 16px;
  box-shadow: var(--shadow-raised);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-2);
  transition: all .2s ease;
  letter-spacing: 0.01em;
}
.btn-neu:hover { transform: translateY(-2px); color: var(--text-1); }
.btn-neu:active { box-shadow: var(--shadow-pressed); transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-pink) 120%);
  color: white;
  box-shadow: 8px 8px 20px var(--shadow-dark), -8px -8px 20px var(--shadow-light), 0 0 24px var(--led-cyan-glow);
}
.btn-primary:hover { color: white; box-shadow: 10px 10px 24px var(--shadow-dark), -10px -10px 24px var(--shadow-light), 0 0 32px var(--led-pink-glow); }

/* Hero stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}
.stat-card {
  padding: 24px 14px;
  text-align: center;
  transition: transform .25s ease;
}
.stat-card:hover { transform: translateY(-4px); }
.stat-number {
  font-family: 'Inter', sans-serif;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ============================================================
   GRID CARDS
   ============================================================ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.card {
  padding: 30px 26px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.card-hover:hover { transform: translateY(-4px); }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 22px;
  font-weight: 700;
}
.ico-cy { color: var(--led-cyan); text-shadow: 0 0 12px var(--led-cyan-glow); }
.ico-pk { color: var(--led-pink); text-shadow: 0 0 12px var(--led-pink-glow); }
.ico-am { color: var(--led-amber); text-shadow: 0 0 12px var(--led-amber-glow); }

.card h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
  margin-bottom: 10px;
}
.card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}
.card p b { color: var(--text-1); }

/* ============================================================
   PRINCIPLES — 6 design principles
   ============================================================ */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.principle {
  padding: 28px 24px;
  position: relative;
  transition: transform .3s ease;
}
.principle:hover { transform: translateY(-3px); }
.principle-num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--led-cyan);
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
}
.principle h4 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
  margin-bottom: 10px;
}
.principle p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }

/* ============================================================
   PILLARS — AHE 5 Meta Layers
   ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.pillar {
  padding: 32px 30px;
  position: relative;
  transition: transform .3s ease;
}
.pillar:hover { transform: translateY(-4px); }
.pillar.pillar-wide { grid-column: span 2; }
.pillar-num {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-3);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.pillar-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.pillar-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.pillar-tags span {
  padding: 5px 11px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--text-2);
  letter-spacing: 0.02em;
}
.pillar p { font-size: 14px; color: var(--text-2); line-height: 1.7; }

/* ============================================================
   AGENT GRID — 11 Agents
   ============================================================ */
.agents {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.agent {
  padding: 22px 20px;
  position: relative;
  transition: transform .3s ease;
}
.agent:hover { transform: translateY(-3px); }
.agent.agent-supervisor {
  grid-column: span 4;
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
  position: relative;
}
.agent.agent-supervisor::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 18px var(--led-cyan-glow);
}
.agent.agent-deny {
  position: relative;
}
.agent.agent-deny::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 18px var(--led-pink-glow);
}
.agent.agent-write {
  position: relative;
}
.agent.agent-write::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 14px var(--led-amber-glow);
}
.agent-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.agent-badge {
  padding: 3px 8px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-radius: 12px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--text-3);
  text-transform: uppercase;
}
.agent-badge.b-deny { color: var(--led-pink); box-shadow: var(--shadow-pressed-sm), 0 0 10px var(--led-pink-glow); }
.agent-badge.b-write { color: var(--led-amber); box-shadow: var(--shadow-pressed-sm), 0 0 10px var(--led-amber-glow); }
.agent-badge.b-conduct { color: var(--led-cyan); box-shadow: var(--shadow-pressed-sm), 0 0 10px var(--led-cyan-glow); }
.agent h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
  flex: 1;
}
.agent p {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.6;
}
.agent .agent-tools {
  margin-top: 10px;
  font-size: 10.5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-3);
  padding: 6px 9px;
  border-radius: 8px;
  box-shadow: var(--shadow-pressed-sm);
  background: var(--bg);
}

/* ============================================================
   STAGES — RiskGuard 6-stage pipeline
   ============================================================ */
.stages {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  position: relative;
}
.stage-step {
  padding: 20px 16px;
  text-align: center;
  position: relative;
  transition: transform .25s ease;
}
.stage-step:hover { transform: translateY(-3px); }
.stage-num {
  display: inline-block;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--led-cyan);
  line-height: 32px;
  margin-bottom: 12px;
}
.stage-step h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.stage-step p {
  font-size: 11.5px;
  color: var(--text-2);
  line-height: 1.55;
  margin-bottom: 10px;
}
.stage-deny {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  color: var(--led-pink);
  letter-spacing: 0.04em;
  word-break: break-all;
}

/* ============================================================
   TOKEN — Decision Token
   ============================================================ */
.token-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: stretch;
}
.token-card {
  padding: 30px 28px;
  position: relative;
}
.token-card::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 18px var(--led-pink-glow);
}
.token-stamp {
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-pink) 100%);
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  border-radius: 30px;
  margin-bottom: 16px;
  box-shadow: 0 0 16px var(--led-pink-glow);
  letter-spacing: 0.04em;
}
.token-list { list-style: none; padding: 0; margin-top: 14px; }
.token-list li {
  padding: 10px 0;
  font-size: 13.5px;
  color: var(--text-2);
  border-bottom: 1px solid rgba(163,177,198,0.18);
  display: flex;
  gap: 10px;
}
.token-list li:last-child { border-bottom: none; }
.token-list li b { color: var(--text-1); min-width: 110px; display: inline-block; }
.token-json {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--bg);
  box-shadow: var(--shadow-pressed);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}
.token-json .k { color: var(--led-cyan); }
.token-json .s { color: var(--led-pink); }
.token-json .n { color: var(--led-amber); }
.token-json .c { color: var(--text-3); font-style: italic; }

/* ============================================================
   GATES — 5-Stage Operation Gate
   ============================================================ */
.gates {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}
.gate {
  padding: 24px 20px;
  position: relative;
  transition: transform .3s ease;
}
.gate:hover { transform: translateY(-3px); }
.gate-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--text-2);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.gate-tag.tg-current {
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-pink) 100%);
  color: white;
  box-shadow: 0 0 14px var(--led-cyan-glow);
}
.gate h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.gate p {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 10px;
}
.gate-meta {
  font-size: 11px;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================
   STRATEGY CARDS
   ============================================================ */
.strategies {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.strategy {
  padding: 26px 24px;
  transition: transform .3s ease;
}
.strategy:hover { transform: translateY(-3px); }
.strategy-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.strategy h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
}
.strategy-sharpe {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--led-cyan);
  letter-spacing: 0.02em;
}
.strategy-philo {
  font-size: 13px;
  color: var(--text-3);
  font-style: italic;
  margin-bottom: 14px;
  line-height: 1.6;
}
.strategy-cond {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--text-2);
}
.strategy-cond ul { list-style: none; padding: 0; }
.strategy-cond li {
  padding: 4px 0;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.strategy-cond li::before {
  content: '▸';
  color: var(--led-cyan);
  flex-shrink: 0;
}
.strategy-foot {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(163,177,198,0.15);
}
.strategy-foot span {
  font-size: 10.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================
   ARCHITECTURE
   ============================================================ */
.arch { display: flex; flex-direction: column; align-items: stretch; gap: 14px; }
.arch-layer { padding: 22px 26px; }
.arch-layer-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.arch-blocks { display: flex; gap: 12px; flex-wrap: wrap; }
.arch-block {
  padding: 11px 18px;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}
.arch-arrow {
  text-align: center;
  font-size: 18px;
  color: var(--text-3);
  margin: 2px 0;
  letter-spacing: 0.4em;
}
.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.arch-cell { padding: 22px; }
.arch-cell-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.arch-cell-sub { font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.arch-accent-cy, .arch-accent-pk { position: relative; }
.arch-accent-cy::after, .arch-accent-pk::after {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 18px var(--led-cyan-glow);
}
.arch-accent-pk::after { box-shadow: inset 0 0 18px var(--led-pink-glow); }

/* ============================================================
   COMPARE TABLE
   ============================================================ */
.compare {
  padding: 8px;
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1.4fr;
  gap: 14px;
  padding: 16px 22px;
  font-size: 14px;
  border-radius: 14px;
}
.compare-row + .compare-row { margin-top: 4px; }
.compare-row > div { color: var(--text-2); }
.compare-row > div:first-child { font-weight: 700; color: var(--text-1); }
.compare-head {
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  font-weight: 700;
  color: var(--text-1);
}
.compare-head > div { color: var(--text-1); font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; }
.compare-row .hi { color: var(--text-1); font-weight: 600; position: relative; padding-left: 16px; }
.compare-row .hi::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--led-cyan);
  box-shadow: 0 0 8px var(--led-cyan-glow);
}
.compare-row .lo { color: var(--text-3); position: relative; padding-left: 16px; }
.compare-row .lo::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-3);
  opacity: 0.5;
}

/* ============================================================
   RULES — 운용 3대 수칙
   ============================================================ */
.rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rule {
  padding: 36px 32px;
  text-align: center;
  position: relative;
  transition: transform .3s ease;
}
.rule:hover { transform: translateY(-4px); }
.rule-num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 60px;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}
.rule h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.rule p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
}

/* ============================================================
   FUTURE ROADMAP
   ============================================================ */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.tl-item {
  padding: 24px 20px;
  position: relative;
  transition: transform .3s ease;
}
.tl-item:hover { transform: translateY(-3px); }
.tl-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg);
  box-shadow: var(--shadow-pressed-sm);
  color: var(--text-2);
  margin-bottom: 12px;
}
.tl-tag.tl-current {
  background: linear-gradient(135deg, var(--led-cyan) 0%, var(--led-pink) 100%);
  color: white;
  box-shadow: 0 0 14px var(--led-cyan-glow);
}
.tl-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
}
.tl-item p { font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.pulse-card { position: relative; }
.pulse-card::before {
  content: '';
  position: absolute; inset: -3px;
  border-radius: calc(var(--radius-lg) + 3px);
  background: linear-gradient(135deg, var(--led-cyan), var(--led-pink));
  z-index: -1;
  filter: blur(14px);
  opacity: 0.35;
  animation: glowPulse 2.6s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { opacity: 0.25; }
  50%     { opacity: 0.55; }
}

/* ============================================================
   QUOTE BLOCK
   ============================================================ */
.quote-banner {
  margin-top: 36px;
  padding: 36px 40px;
  text-align: center;
  position: relative;
}
.quote-banner blockquote {
  font-size: 19px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.7;
  max-width: 880px;
  margin: 0 auto 14px;
  letter-spacing: -0.01em;
}
.quote-banner blockquote b { color: var(--led-cyan); font-weight: 700; }
.quote-banner cite {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-style: normal;
}

/* ============================================================
   IMPLEMENTATION STATUS
   ============================================================ */
.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.status-pill {
  padding: 22px 18px;
  text-align: center;
}
.status-pill .num {
  font-family: 'Inter', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.status-pill .lbl {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
}
.status-pill.ok .num { color: var(--led-cyan); }
.status-pill.warn .num { color: var(--led-amber); }
.status-pill.miss .num { color: var(--led-pink); }
.status-pill.note .num { color: var(--text-2); }

.gap-list {
  margin-top: 26px;
  padding: 26px 30px;
}
.gap-list h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.gap-list ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 22px;
}
.gap-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 0;
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.gap-list li::before {
  content: '◇';
  position: absolute;
  left: 0;
  color: var(--led-amber);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-top: 60px;
  padding: 28px 36px;
  border-radius: var(--radius-lg);
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-meta {
  display: flex; flex-direction: column; align-items: flex-end;
  font-size: 12px; color: var(--text-3); gap: 4px;
}

/* To-top */
.to-top {
  position: fixed;
  right: 30px; bottom: 30px;
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 14px; font-weight: 700;
  color: var(--text-2);
  z-index: 200;
  transition: all .25s ease;
  display: none;
}
.to-top.show { display: flex; align-items: center; justify-content: center; }
.to-top:hover { color: var(--led-cyan); transform: translateY(-3px); }
.to-top:active { box-shadow: var(--shadow-pressed); }

/* Mobile menu toggle */
.menu-toggle {
  position: fixed;
  top: 18px; left: 18px;
  width: 44px; height: 44px;
  border-radius: 12px;
  z-index: 110;
  display: none;
  align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--text-1);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1280px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .arch-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .agents { grid-template-columns: repeat(3, 1fr); }
  .agent.agent-supervisor { grid-column: span 3; }
  .stages { grid-template-columns: repeat(3, 1fr); }
  .gates { grid-template-columns: repeat(3, 1fr); }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .gap-list ul { grid-template-columns: 1fr; }
  .token-block { grid-template-columns: 1fr; }
  .strategies { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  :root { --sb-w: 248px; }
  .content { padding: 30px 28px 40px; }
  .section-head h2 { font-size: 30px; }
  .pillars { grid-template-columns: 1fr; }
  .pillar.pillar-wide { grid-column: span 1; }
  .rules { grid-template-columns: 1fr; }
  .agents { grid-template-columns: repeat(2, 1fr); }
  .agent.agent-supervisor { grid-column: span 2; }
}
@media (max-width: 720px) {
  .sidebar { transform: translateX(-100%); transition: transform .3s ease; }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: flex; }
  .content { margin-left: 0; padding: 70px 18px 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-2, .principles { grid-template-columns: 1fr; }
  .arch-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr; gap: 6px; padding: 14px 16px; }
  .compare-head { display: none; }
  .stages { grid-template-columns: 1fr; }
  .gates { grid-template-columns: 1fr; }
  .agents { grid-template-columns: 1fr; }
  .agent.agent-supervisor { grid-column: span 1; }
  .status-grid { grid-template-columns: 1fr; }
  .quote-banner blockquote { font-size: 16px; }
}