:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #5a5a72;
  --accent-cyan: #00f0ff;
  --accent-magenta: #ff00aa;
  --accent-purple: #8b5cf6;
  --accent-green: #00ff88;
  --border-subtle: rgba(136, 136, 160, 0.12);
  --glow-cyan: rgba(0, 240, 255, 0.15);
  --glow-magenta: rgba(255, 0, 170, 0.1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Exo 2', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 6rem 2rem 3rem;
  text-align: center;
  overflow: hidden;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -100px;
  background: var(--glow-cyan);
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -80px;
  background: var(--glow-magenta);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent-cyan);
  border: 1px solid rgba(0,240,255,0.25);
  padding: 0.4rem 1.2rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  background: rgba(0,240,255,0.05);
}

.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 4rem;
  padding: 1.5rem 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.stat-number {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--accent-magenta);
  margin-bottom: 3rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(255,0,170,0.3);
}

.problem-icon {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-magenta);
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- FEATURES ---- */
.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features .section-label {
  color: var(--accent-cyan);
}

.feature-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-row:nth-child(odd) {
  grid-template-columns: 1fr 1.3fr;
}

.feature-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-block:hover {
  transform: translateY(-2px);
}

.feature-highlight {
  border-color: rgba(0,240,255,0.15);
  background: linear-gradient(135deg, rgba(0,240,255,0.03), rgba(139,92,246,0.03));
}

.feature-highlight:hover {
  border-color: rgba(0,240,255,0.35);
}

.feature-block:not(.feature-highlight):hover {
  border-color: rgba(136,136,160,0.25);
}

.feature-tag {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-purple);
  margin-bottom: 1rem;
}

.feature-block h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.feature-block p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- MODES ---- */
.modes {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.modes-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mode-card {
  border-radius: 20px;
  padding: 3rem;
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.mode-cohost {
  background: linear-gradient(180deg, rgba(0,240,255,0.04), var(--bg-card));
}

.mode-cohost::before {
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.mode-possession {
  background: linear-gradient(180deg, rgba(255,0,170,0.04), var(--bg-card));
}

.mode-possession::before {
  background: linear-gradient(90deg, transparent, var(--accent-magenta), transparent);
}

.mode-personality {
  background: linear-gradient(180deg, rgba(139,92,246,0.04), var(--bg-card));
}

.mode-personality::before {
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
}

.mode-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
}

.mode-cohost .mode-label { color: var(--accent-cyan); }
.mode-possession .mode-label { color: var(--accent-magenta); }
.mode-personality .mode-label { color: var(--accent-purple); }

.mode-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.mode-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 750px;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 750px;
  margin: 0 auto;
}

.closing-glow {
  position: absolute;
  width: 800px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(0,240,255,0.08), rgba(255,0,170,0.05), transparent);
  filter: blur(80px);
  pointer-events: none;
}

.closing h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- CTA BUTTONS ---- */
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.cta-btn-primary {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 10px;
  color: #0a0a0f;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(0,240,255,0.25);
}

.cta-btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(0,240,255,0.4);
}

.cta-btn-ghost {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.85rem 1.8rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}

.cta-btn-ghost:hover {
  border-color: rgba(136,136,160,0.4);
  color: var(--text-primary);
}

/* ---- FEATURES section anchor ---- */
.features { scroll-margin-top: 60px; }

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 4rem 1.5rem 2rem; min-height: 90vh; }
  .hero-stats { flex-direction: column; gap: 1rem; padding: 1.5rem 2rem; }
  .stat-divider { width: 40px; height: 1px; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-row,
  .feature-row:nth-child(odd) { grid-template-columns: 1fr; }
  .mode-card { padding: 2rem; }
  .mode-card h3 { font-size: 1.1rem; }
  .problem, .features, .modes { padding: 4rem 1.5rem; }
  .closing { padding: 5rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-badge { font-size: 0.6rem; padding: 0.3rem 0.8rem; }
  .hero-sub { font-size: 1rem; }
  .feature-block { padding: 1.5rem; }
  .mode-card { padding: 1.5rem; }
}