/* Landing — F.R.I.D.A.Y. */

:root {
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* Nav glass */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, #6366f1, #818cf8);
  box-shadow: 0 0 20px var(--accent-glow);
}

.logo-mark.sm {
  width: 1.25rem;
  height: 1.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links > a:not(.btn) {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-links > a:not(.btn):hover {
  color: var(--text);
}

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  text-align: center;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: -2rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 36rem);
  height: 16rem;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero-tag {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
  margin: 0 0 1rem;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-gradient {
  background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 36rem;
  margin: 0 auto 2rem;
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.hero-chip {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-token {
  max-width: 28rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.token-input {
  flex: 1 1 14rem;
  min-width: 0;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
}

.token-input:focus {
  border-color: var(--accent);
}

.hero-token-hint {
  flex: 1 1 100%;
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-token-hint a {
  color: var(--accent-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: rgba(17, 17, 20, 0.5);
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 32rem;
  margin-inline: auto;
}

/* Grids */
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.25rem;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Cards */
.arch-card:hover,
.agent-card:hover,
.economy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.arch-card h3,
.agent-card h3,
.economy-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.arch-card p,
.agent-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.card-foot {
  display: block;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.agent-top {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.agent-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.agent-top h3 {
  margin: 0;
  font-size: 1rem;
}

.agent-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.agent-top .badge-pill {
  margin-left: auto;
}

.agent-metric {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--accent-bright);
}

.agent-metric.loading {
  color: var(--text-muted);
}

.agent-metric.err {
  color: var(--err);
}

/* Economy */
.economy-num {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.economy-num.accent {
  font-size: 1.75rem;
  color: var(--accent-bright);
}

.economy-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Forge */
.forge-card {
  display: grid;
  gap: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--card) 0%, rgba(99, 102, 241, 0.08) 100%);
  border-color: rgba(129, 140, 248, 0.2);
  overflow: hidden;
  position: relative;
}

@media (min-width: 768px) {
  .forge-card {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.forge-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-bright);
}

.forge-content h2 {
  margin: 0.5rem 0 1rem;
  font-size: 1.75rem;
  font-weight: 600;
}

.forge-content p {
  margin: 0 0 1.5rem;
  color: var(--text-secondary);
}

.forge-visual {
  min-height: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.forge-grid-3d {
  width: 100%;
  max-width: 14rem;
  aspect-ratio: 1;
  background:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 1.25rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 40px var(--accent-glow);
  transform: perspective(400px) rotateX(12deg) rotateY(-8deg);
  animation: forge-float 6s ease-in-out infinite;
}

@keyframes forge-float {
  0%, 100% { transform: perspective(400px) rotateX(12deg) rotateY(-8deg) translateY(0); }
  50% { transform: perspective(400px) rotateX(8deg) rotateY(4deg) translateY(-6px); }
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
  padding-bottom: 1rem;
}