.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--sm { padding: 10px 20px; font-size: 0.875rem; }
.btn--lg { padding: 16px 36px; font-size: 1rem; }

.btn--primary {
  background: linear-gradient(135deg, var(--accent-primary), #6366f1);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(99, 102, 241, 0.4);
}

.btn--secondary {
  background: var(--glass);
  border-color: var(--border);
  backdrop-filter: blur(12px);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.btn--ghost {
  color: var(--accent-primary);
  padding-inline: 0;
}

.btn--ghost:hover { opacity: 0.8; }

.btn--block {
  width: 100%;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  background: rgba(129, 140, 248, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(129, 140, 248, 0.2);
}

.badge--cyan {
  background: rgba(34, 211, 238, 0.15);
  color: var(--accent-secondary);
  border-color: rgba(34, 211, 238, 0.2);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-header__title {
  margin-bottom: 16px;
}

.section-header__subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.15);
}

.form-textarea { min-height: 140px; resize: vertical; }

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-message {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-top: 16px;
  display: none;
}

.form-message.is-success {
  display: block;
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-message.is-error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__inner {
  text-align: center;
}

.page-loader__logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-loader__bar {
  display: block;
  width: 120px;
  height: 3px;
  margin: 16px auto 0;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.page-loader__bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  animation: loaderBar 1s ease infinite;
}

@keyframes loaderBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}