/* =========================================================
   NovaAI — Components
   ========================================================= */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: transform 0.2s var(--ease-spring),
              box-shadow 0.2s ease,
              background 0.2s ease;
  position: relative;
  overflow: hidden;
  min-height: 48px;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08) inset,
              0 8px 24px -8px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset,
              0 12px 32px -8px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  min-height: 40px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan-500);
  box-shadow: 0 0 8px var(--cyan-glow);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(1.15); }
}

/* Glass card */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform 0.25s var(--ease-out-expo),
              border-color 0.25s ease,
              box-shadow 0.25s ease;
}

.glass-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.4);
}

/* Section title */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.section-title span {
  color: var(--color-cyan-400);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 640px;
  margin-top: 16px;
}

/* Reveal utility */
.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}