/* ==============================
   HERO SECTION
   ============================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: var(--z-base);
  text-align: center;
  padding: var(--space-xl);
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  text-shadow: var(--glow-primary);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.typing-container {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-text);
  min-height: 2em;
  margin-bottom: var(--space-2xl);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==============================
   PILLARS SECTION
   ============================== */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pillars-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pillar-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.pillar-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary),
    var(--color-accent),
    var(--pillar-zk),
    var(--color-primary)
  );
  background-size: 300% 300%;
  animation: gradient-shift 6s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.pillar-card:hover {
  transform: translateY(-4px);
}

.pillar-card[data-pillar="privacy"]:hover {
  border-color: var(--pillar-privacy);
  box-shadow: var(--glow-primary);
}

.pillar-card[data-pillar="ai"]:hover {
  border-color: var(--pillar-ai);
  box-shadow: var(--glow-secondary);
}

.pillar-card[data-pillar="blockchain"]:hover {
  border-color: var(--pillar-blockchain);
  box-shadow: var(--glow-accent);
}

.pillar-card[data-pillar="zk"]:hover {
  border-color: var(--pillar-zk);
  box-shadow: var(--glow-zk);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-lg);
}

.pillar-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.pillar-card p {
  color: var(--color-text-dim);
  font-size: var(--text-sm);
}

/* ==============================
   FEATURED PROJECTS
   ============================== */
.featured-section {
  background: var(--bg-secondary);
  padding: var(--space-3xl) 0;
}

.featured-section .project-thumbnail {
  width: calc(100% + var(--space-xl) * 2);
  margin: calc(var(--space-xl) * -1);
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  height: 140px;
}

.featured-section .project-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.featured-section .hacker-card:hover .project-thumbnail img {
  transform: scale(1.05);
}

/* ==============================
   CTA TERMINAL
   ============================== */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-terminal {
  max-width: 600px;
  margin: 0 auto;
}

/* ==============================
   MOBILE ADJUSTMENTS
   ============================== */
@media (max-width: 639px) {
  .hero-title {
    font-size: var(--text-3xl);
  }

  .typing-container {
    font-size: var(--text-base);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* ==============================
   TEAM SECTION
   ============================== */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl);
  gap: var(--space-lg);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border-color);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.team-card[data-pillar="privacy"]:hover .team-avatar {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.team-card[data-pillar="ai"]:hover .team-avatar {
  border-color: var(--color-secondary);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.team-name {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-text-bright);
}

.team-role {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}

.team-card .card-description {
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 340px;
}

.team-card .card-tags {
  justify-content: center;
  flex-wrap: wrap;
}

.team-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xs);
}

.team-links a {
  color: var(--color-text-dim);
  transition: color var(--transition-fast);
}

.team-links a:hover {
  color: var(--color-primary);
}