/* ============================================
   INSTAAI OS — ACID NEON DESIGN SYSTEM
   Clash Display + Syne + Space Mono
   Palette: #CCFF00 / #FF3CAC / #0D0D0D / #1A1A2E
   ============================================ */

:root {
  --neon-green: #CCFF00;
  --neon-pink: #FF3CAC;
  --neon-blue: #00D4FF;
  --neon-purple: #B44FFF;
  --bg-dark: #0D0D0D;
  --bg-card: #111118;
  --bg-card2: #16161F;
  --bg-layer: #1A1A2E;
  --border: rgba(204, 255, 0, 0.15);
  --border-bright: rgba(204, 255, 0, 0.4);
  --text-primary: #F0F0F0;
  --text-muted: #888899;
  --text-dim: #555566;
  --font-display: 'Clash Display', sans-serif;
  --font-body: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============ ANIMATED BACKGROUND ============ */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(204,255,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,255,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px; height: 600px;
  background: var(--neon-green);
  top: -200px; left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px; height: 500px;
  background: var(--neon-pink);
  top: 40%; right: -150px;
  animation-delay: -7s;
}

.orb-3 {
  width: 400px; height: 400px;
  background: var(--neon-blue);
  bottom: -100px; left: 30%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

/* ============ NAVBAR ============ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
}

.logo-icon { font-size: 1.4rem; }
.logo-accent { color: var(--neon-green); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  flex: 1;
}

.nav-link {
  display: block;
  padding: 0.4rem 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-green);
  background: rgba(204, 255, 0, 0.08);
}

.nav-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neon-green);
  background: rgba(204, 255, 0, 0.1);
  border: 1px solid rgba(204, 255, 0, 0.3);
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  white-space: nowrap;
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(204,255,0,0.3); }
  50% { box-shadow: 0 0 0 6px rgba(204,255,0,0); }
}

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
}

/* ============ MOBILE NAV ============ */
.mobile-nav {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  z-index: 999;
  background: rgba(13,13,13,0.97);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 1rem;
  gap: 0.5rem;
}

.mobile-nav.open { display: flex; }

.mob-link {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
}

.mob-link:hover {
  color: var(--neon-green);
  background: rgba(204,255,0,0.08);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-pink);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(255, 60, 172, 0.1);
  border: 1px solid rgba(255, 60, 172, 0.3);
  padding: 0.4rem 1.2rem;
  border-radius: 20px;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .line-1 {
  display: block;
  font-size: clamp(2.5rem, 7vw, 5rem);
  color: var(--text-primary);
}

.hero-title .line-2 {
  display: block;
  font-size: clamp(4rem, 12vw, 9rem);
  color: var(--neon-green);
  text-shadow: 0 0 40px rgba(204,255,0,0.5), 0 0 80px rgba(204,255,0,0.2);
  letter-spacing: -0.02em;
}

.hero-title .line-3 {
  display: block;
  font-size: clamp(2.5rem, 7vw, 5rem);
  color: var(--text-primary);
}

.neon-text {
  animation: neonPulse 3s ease-in-out infinite;
}

@keyframes neonPulse {
  0%, 100% { text-shadow: 0 0 40px rgba(204,255,0,0.5), 0 0 80px rgba(204,255,0,0.2); }
  50% { text-shadow: 0 0 60px rgba(204,255,0,0.8), 0 0 120px rgba(204,255,0,0.4), 0 0 200px rgba(204,255,0,0.1); }
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.stat-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: var(--transition);
}

.stat-pill:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: rgba(204,255,0,0.05);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bg-dark);
  background: var(--neon-green);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--transition);
  animation: fadeInUp 0.8s ease 0.8s both;
  box-shadow: 0 0 30px rgba(204,255,0,0.3);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(204,255,0,0.5);
}

.cta-arrow {
  animation: bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  animation: fadeIn 1s ease 1.5s both;
}

/* ============ SECTIONS ============ */
.section {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-green);
  background: rgba(204,255,0,0.08);
  border: 1px solid rgba(204,255,0,0.2);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  margin-top: 0.3rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ============ ARCHITECTURE DIAGRAM ============ */
.arch-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  overflow: hidden;
}

.arch-layer {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0;
  transition: var(--transition);
}

.arch-layer:hover {
  border-color: var(--border-bright);
}

.layer-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.arch-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.arch-node {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.arch-node:hover {
  color: var(--neon-green);
  border-color: rgba(204,255,0,0.4);
  background: rgba(204,255,0,0.06);
  transform: translateY(-2px);
}

.node-bright { color: var(--text-primary); border-color: rgba(204,255,0,0.2); }
.node-bright:hover { background: rgba(204,255,0,0.1); }

.node-orch { color: var(--text-primary); border-color: rgba(0,212,255,0.2); }
.node-orch:hover { color: var(--neon-blue); border-color: rgba(0,212,255,0.5); background: rgba(0,212,255,0.06); }

.node-pub { border-color: rgba(255,60,172,0.2); }
.node-pub:hover { color: var(--neon-pink); border-color: rgba(255,60,172,0.5); background: rgba(255,60,172,0.06); }

.node-eng { border-color: rgba(180,79,255,0.2); }
.node-eng:hover { color: var(--neon-purple); border-color: rgba(180,79,255,0.5); background: rgba(180,79,255,0.06); }

.node-ana { border-color: rgba(204,255,0,0.2); }
.node-ana:hover { color: var(--neon-green); border-color: rgba(204,255,0,0.5); background: rgba(204,255,0,0.06); }

.layer-core { border-color: rgba(204,255,0,0.2); }
.layer-orch { border-color: rgba(0,212,255,0.15); }
.layer-pub { border-color: rgba(255,60,172,0.15); }
.layer-eng { border-color: rgba(180,79,255,0.15); }
.layer-ana { border-color: rgba(204,255,0,0.15); }

.arch-arrow-row {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}

.arch-flow-arrow {
  font-size: 1.2rem;
  color: var(--text-dim);
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(3px); }
}

.arch-tooltip {
  display: none;
  position: fixed;
  z-index: 9999;
  background: var(--bg-layer);
  border: 1px solid var(--neon-green);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  max-width: 260px;
  pointer-events: none;
  box-shadow: 0 0 20px rgba(204,255,0,0.2);
}

/* ============ PLATFORMS GRID ============ */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-pink));
  opacity: 0;
  transition: var(--transition);
}

.platform-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px rgba(204,255,0,0.05);
}

.platform-card:hover::before { opacity: 1; }

.platform-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.platform-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--neon-pink);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.platform-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.platform-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.platform-uses {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.use-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--neon-green);
  background: rgba(204,255,0,0.08);
  border: 1px solid rgba(204,255,0,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.platform-stat {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.stat-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
  border-radius: 2px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-pct {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neon-green);
  white-space: nowrap;
}

/* ============ ROADMAP ============ */
.roadmap-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.roadmap-week {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.roadmap-week:hover {
  border-color: var(--border-bright);
}

.active-week {
  border-color: rgba(204,255,0,0.3);
}

.week-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  cursor: pointer;
  user-select: none;
}

.week-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neon-green);
  background: rgba(204,255,0,0.1);
  border: 1px solid rgba(204,255,0,0.25);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
}

.week-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.week-toggle {
  color: var(--text-dim);
  font-size: 0.8rem;
  transition: transform var(--transition);
}

.roadmap-week.open .week-toggle {
  transform: rotate(180deg);
}

.week-body {
  display: none;
  padding: 0 1.75rem 1.75rem;
}

.roadmap-week.open .week-body,
.active-week .week-body {
  display: block;
}

.week-goal {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-blue);
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.15);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
}

.week-tasks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.week-task {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.task-check {
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: rgba(204,255,0,0.1);
  border: 1px solid rgba(204,255,0,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--neon-green);
  margin-top: 0.1rem;
}

.week-task strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.week-task p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.week-output {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-pink);
  background: rgba(255,60,172,0.06);
  border: 1px solid rgba(255,60,172,0.15);
  padding: 0.6rem 1rem;
  border-radius: 8px;
}

/* ============ MATRIX ============ */
.matrix-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.matrix-legend {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 2px;
}

.dot-time { background: linear-gradient(90deg, var(--neon-green), var(--neon-blue)); }
.dot-auto { background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple)); }

.matrix-bars {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.matrix-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.matrix-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.matrix-icon { font-size: 1rem; }

.matrix-bars-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.matrix-bar-group {
  height: 22px;
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.mbar {
  height: 100%;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.5rem;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.mbar-time {
  background: linear-gradient(90deg, rgba(204,255,0,0.6), rgba(0,212,255,0.6));
}

.mbar-auto {
  background: linear-gradient(90deg, rgba(255,60,172,0.6), rgba(180,79,255,0.6));
}

.mbar-val {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
}

.matrix-total {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.total-card {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.total-card:hover {
  border-color: var(--neon-green);
  background: rgba(204,255,0,0.04);
}

.total-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--neon-green);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.total-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============ WORKFLOWS ============ */
.workflows-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.wf-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.wf-tab:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
}

.wf-tab.active {
  color: var(--bg-dark);
  background: var(--neon-green);
  border-color: var(--neon-green);
}

.workflow-panels {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  min-height: 300px;
}

.wf-panel { display: none; }
.wf-panel.active { display: block; }

.wf-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.wf-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.wf-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.wf-step {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  min-width: 120px;
  transition: var(--transition);
  flex: 1;
}

.wf-step:hover {
  border-color: var(--neon-green);
  background: rgba(204,255,0,0.04);
  transform: translateY(-2px);
}

.wf-step-icon { font-size: 1.5rem; margin-bottom: 0.4rem; }

.wf-step-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.wf-step-desc {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.wf-arrow {
  font-size: 1.2rem;
  color: var(--neon-green);
  opacity: 0.6;
  flex-shrink: 0;
}

.wf-trigger {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-blue);
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.15);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
}

/* ============ STRATEGIES ============ */
.strategies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.strategy-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple));
  opacity: 0;
  transition: var(--transition);
}

.strategy-card:hover {
  border-color: rgba(255,60,172,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.strategy-card:hover::after { opacity: 1; }

.strategy-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.strategy-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.strategy-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.strategy-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.strategy-impact {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-pink);
  background: rgba(255,60,172,0.08);
  border: 1px solid rgba(255,60,172,0.2);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  display: inline-block;
}

/* ============ FOOTER ============ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 4rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.footer-principle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  line-height: 1.7;
}

.principle-icon { margin-right: 0.5rem; }

/* ============ SCROLL TO TOP ============ */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  width: 44px; height: 44px;
  background: var(--neon-green);
  color: var(--bg-dark);
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(204,255,0,0.4);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(204,255,0,0.6);
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-badge { display: none; }
  .hamburger { display: block; }

  .matrix-row {
    grid-template-columns: 140px 1fr;
    gap: 0.75rem;
  }

  .matrix-total {
    grid-template-columns: 1fr;
  }

  .wf-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .wf-arrow {
    transform: rotate(90deg);
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section { padding: 4rem 1.25rem; }

  .section-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .arch-diagram { padding: 1.25rem; }

  .matrix-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .matrix-label { font-size: 0.72rem; }

  .workflow-panels { padding: 1.5rem; }

  .hero-title .line-2 { font-size: clamp(3rem, 18vw, 6rem); }

  .platforms-grid,
  .strategies-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ SECTION DIVIDERS ============ */
.section + .section {
  border-top: 1px solid var(--border);
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
  background: rgba(204,255,0,0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(204,255,0,0.6);
}

/* ============ SELECTION ============ */
::selection {
  background: rgba(204,255,0,0.25);
  color: var(--text-primary);
}