/* ── FEAIA Product Page Styles ── */

.feaia-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: var(--c-bg);
}

.fh-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-2xl) 0;
}
@media (max-width: 900px) {
  .fh-inner { grid-template-columns: 1fr; }
}

.fh-left h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin: var(--space-sm) 0 var(--space-lg);
  line-height: 1.1;
}
.fh-left h1 .accent {
  background: linear-gradient(135deg, #7b6cf6, #4dd9c0, #f4a8c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.fh-desc {
  color: var(--c-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 520px;
}
.fh-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}
.fh-compat {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: var(--fs-sm);
}
.compat-label { color: var(--c-text-dim); font-weight: 600; }
.compat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--c-text-muted);
  padding: 4px 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-full);
}
.compat-item i { color: var(--c-primary); }
.compat-item.soon { opacity: 0.6; }
.compat-item.soon em { font-style: normal; font-size: 0.8em; color: var(--c-warning); }

/* FEAIA Window Mockup */
.feaia-window {
  background: #0d1a2e;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  max-width: 480px;
  margin: 0 auto;
}
.fw-titlebar {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--c-border);
  gap: var(--space-sm);
}
.fw-dots { display: flex; gap: 6px; }
.fw-dots span { width: 12px; height: 12px; border-radius: 50%; }
.fw-dots span:nth-child(1) { background: #ff5f57; }
.fw-dots span:nth-child(2) { background: #febc2e; }
.fw-dots span:nth-child(3) { background: #28c840; }
.fw-title { flex: 1; text-align: center; font-size: var(--fs-xs); color: var(--c-text-muted); }
.fw-actions { display: flex; gap: 10px; font-size: var(--fs-xs); color: var(--c-text-dim); }

.fw-body {
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 300px;
}
.fw-avatar-area {
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0,0,0,0.2);
}
.feaia-avatar-big {
  position: relative;
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fab-rings { position: absolute; inset: 0; }
.fab-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.2);
  animation: ringPulse 3s ease-in-out infinite;
}
.fab-ring.r1 { inset: 0; }
.fab-ring.r2 { inset: -12px; border-color: rgba(0,255,157,0.12); animation-delay: 0.6s; }
.fab-core {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #7b6cf6, #4dd9c0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--c-bg);
  z-index: 1;
  box-shadow: 0 0 24px rgba(123,108,246,0.5), 0 0 48px rgba(77,217,192,0.2);
}
.fab-mood {
  position: absolute;
  bottom: -4px; right: -4px;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: 50%;
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  z-index: 2;
}
.fw-name {
  font-size: var(--fs-sm);
  font-weight: 800;
  color: var(--c-primary);
}
.fw-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--c-text-muted);
}
.status-dot {
  width: 6px; height: 6px;
  background: var(--c-accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

.fw-chat {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  overflow: hidden;
}
.fw-msg {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 11px;
  line-height: 1.5;
  max-width: 90%;
}
.fw-msg.ai {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  align-self: flex-start;
  border-radius: 4px 12px 12px 12px;
  color: var(--c-text-muted);
}
.fw-msg.user {
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.25);
  align-self: flex-end;
  border-radius: 12px 4px 12px 12px;
  color: var(--c-text);
}
.fw-input-bar {
  margin-top: auto;
  display: flex;
  gap: 6px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 4px 6px 4px 10px;
}
.fw-input-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--c-text-muted);
  font-size: 11px;
  outline: none;
}
.fw-input-bar button {
  background: var(--c-primary);
  border: none;
  color: var(--c-bg);
  width: 24px; height: 24px;
  border-radius: 6px;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Feature Cards */
.feaia-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}
.ff-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.ff-card:hover { transform: translateY(-5px); border-color: rgba(0,212,255,0.3); }
.ff-icon {
  width: 50px; height: 50px;
  background: hsla(var(--hue), 70%, 50%, 0.12);
  border: 1px solid hsla(var(--hue), 70%, 65%, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: hsla(var(--hue), 80%, 70%, 1);
  margin-bottom: var(--space-md);
}
.ff-card h3 { font-size: var(--fs-base); font-weight: 700; margin-bottom: var(--space-sm); }
.ff-card p { font-size: var(--fs-sm); color: var(--c-text-muted); line-height: 1.7; }

/* Model Grid */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}
.model-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--dur-base) var(--ease);
}
.model-card:hover { border-color: rgba(0,212,255,0.3); }
.mc-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--c-text);
  margin-bottom: var(--space-sm);
}
.mc-badge {
  margin-left: auto;
  padding: 2px 8px;
  background: rgba(255,183,71,0.15);
  border: 1px solid rgba(255,183,71,0.3);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  color: var(--c-warning);
}
.mc-badge-green {
  background: rgba(0,255,157,0.12);
  border-color: rgba(0,255,157,0.25);
  color: var(--c-accent);
}
.model-card p { font-size: var(--fs-sm); color: var(--c-text-muted); line-height: 1.7; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  align-items: start;
}
.pricing-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  transition: transform var(--dur-base) var(--ease);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-featured {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.02);
}
.pricing-featured:hover { transform: scale(1.02) translateY(-4px); }
.pc-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: var(--c-bg);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pc-name {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}
.pc-price {
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}
.pc-price span:first-child {
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: var(--c-text);
}
.pc-period { font-size: var(--fs-sm); color: var(--c-text-muted); }
.pc-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.pc-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}
.pc-features .fa-check { color: var(--c-accent); }
.pc-features .fa-xmark { color: var(--c-text-dim); }
.pc-features li.muted { color: var(--c-text-dim); }

/* CTA */
.feaia-cta { text-align: center; }
.cta-inner h2 { font-size: var(--fs-4xl); margin-bottom: var(--space-md); }
.cta-inner p { color: var(--c-text-muted); margin-bottom: var(--space-xl); font-size: var(--fs-lg); }