/* JB-Ai-Lab Components — Stitch Reference Matched */

/* === NAVIGATION (Premium Pill-Shape — Reference Matched) === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 12px 32px;
  transition: all var(--transition-base);
}
.nav-inner {
  display: flex; align-items: center;
  max-width: var(--grid-container-max);
  margin: 0 auto;
  background: rgba(180, 195, 220, 0.12);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  padding: 0 12px 0 28px;
  height: 72px;
  transition: all var(--transition-base);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}
.nav.scrolled .nav-inner {
  background: rgba(15, 19, 29, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}
.nav-logo {
  font-family: var(--font-headline);
  font-size: 28px; font-weight: 800;
  color: var(--color-pure-white);
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-right: auto;
}
.nav-logo .logo-icon {
  width: 42px; height: 42px;
  background: rgba(143, 196, 255, 0.08);
  border: 1.5px solid rgba(143, 196, 255, 0.35);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition-base);
}
.nav-logo .logo-icon img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transition: transform var(--transition-slow);
}
.nav-logo:hover .logo-icon {
  background: rgba(143, 196, 255, 0.15);
  border-color: rgba(143, 196, 255, 0.6);
  box-shadow: 0 0 16px rgba(143, 196, 255, 0.25);
}
.nav-logo:hover .logo-icon img {
  transform: rotate(45deg);
}
.nav-logo .logo-accent { color: var(--color-primary); }
.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
  margin: 0 auto;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 16px; font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  position: relative; padding: var(--space-2) 0;
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}
.nav-links a:hover { color: var(--color-pure-white); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-primary); }

.nav-right {
  display: flex; align-items: center; gap: 12px;
  margin-left: auto;
}
.nav-search {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}
.nav-search svg { width: 22px; height: 22px; }
.nav-search:hover { color: var(--color-primary); }
.nav-cta {
  font-family: var(--font-headline);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-pure-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 10px 28px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}
.nav-cta:hover {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
  box-shadow: 0 0 24px rgba(143, 196, 255, 0.35);
}
.nav-avatar {
  width: 42px; height: 42px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #5a6b80, #3a4a5c);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: rgba(255, 255, 255, 0.7);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Mobile menu */
.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: var(--space-2);
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-pure-white);
  margin: 5px 0;
  transition: all var(--transition-base);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .nav { padding: var(--space-3) var(--space-4); }
  .nav-inner { border-radius: var(--radius-lg); height: 52px; }
  .nav-toggle { display: block; }
  .nav-search, .nav-avatar { display: none; }
  .nav-links {
    position: fixed; top: 68px; left: 16px; right: 16px;
    background: rgba(15, 19, 29, 0.97);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    flex-direction: column; gap: var(--space-2);
    padding: var(--space-4);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links li {
    width: 100%;
    list-style: none;
  }
  .nav-links a {
    display: block;
    text-align: center;
    padding: var(--space-3) var(--space-4);
    font-size: 15px;
    width: 100%;
    border-radius: var(--radius-default);
  }
  .nav-links a:hover { background: rgba(255, 255, 255, 0.05); }
}

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-headline);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  cursor: pointer; border: none;
  transition: all var(--transition-base);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #569cff);
  color: var(--color-background);
  box-shadow: 0 0 24px rgba(143, 196, 255, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(143, 196, 255, 0.5);
  transform: translateY(-2px);
  color: var(--color-background);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-pure-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(143, 196, 255, 0.08);
}
.btn-icon {
  font-size: 16px;
  transition: transform var(--transition-fast);
}
.btn:hover .btn-icon { transform: translateX(4px); }

/* === GLASS CARDS (Thick Glow Border) === */
.card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(var(--blur-3));
  -webkit-backdrop-filter: blur(var(--blur-3));
  border: 1px solid rgba(143, 196, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(143,196,255,0.15), transparent 50%, rgba(143,196,255,0.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.card:hover {
  border-color: rgba(143, 196, 255, 0.35);
  box-shadow: 0 0 30px rgba(143, 196, 255, 0.08), var(--shadow-card);
  transform: translateY(-4px);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(143, 196, 255, 0.08);
  border: 1px solid rgba(143, 196, 255, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  font-size: 28px;
}
.card-title {
  font-family: var(--font-headline);
  font-size: 22px; font-weight: 700;
  color: var(--color-pure-white);
  margin-bottom: var(--space-3);
}
.card-desc {
  color: rgba(226, 232, 240, 0.75);
  font-size: 15px; line-height: 24px;
  margin-bottom: var(--space-6);
}
.card-link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-headline);
  font-size: 13px; font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  transition: gap var(--transition-fast);
}
.card-link:hover { gap: var(--space-3); color: var(--color-primary); }

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--color-charcoal-line);
  padding: var(--space-16) 0 var(--space-8);
  background: var(--color-background-deep);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand-title {
  font-family: var(--font-headline);
  font-size: 22px; font-weight: 700;
  color: var(--color-pure-white);
  margin-bottom: var(--space-4);
}
.footer-brand-desc {
  font-size: 14px; line-height: 22px;
  color: var(--color-outline);
  max-width: 300px;
}
.footer-col-title {
  font-family: var(--font-label);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-liquid-silver);
  margin-bottom: var(--space-5);
}
.footer-links {
  list-style: none; display: flex; flex-direction: column; gap: var(--space-3);
}
.footer-links a {
  font-size: 14px; color: var(--color-outline);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-charcoal-line);
  padding-top: var(--space-6);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-4);
}
.footer-copy { font-size: 13px; color: var(--color-outline); }
.footer-bottom-links { display: flex; gap: var(--space-6); }
.footer-bottom-links a { font-size: 13px; color: var(--color-outline); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* === STATUS DOT === */
.status-dot {
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  animation: neonPulse 2s ease-in-out infinite;
  display: inline-block;
}

/* === SECTION LABEL === */
.section-label {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-label);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.section-label::before {
  content: ''; width: 24px; height: 1px;
  background: var(--color-primary);
}