/* ==========================================================================
   Buttons
   ========================================================================== */
   
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
  gap: var(--spacing-sm);
  line-height: normal;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-normal);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid var(--primary-light);
}

.btn-outline:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: var(--spacing-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-light);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: rgba(0, 0, 0, 0.04);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary-light);
  border: 1px solid rgba(79, 70, 229, 0.2);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
}

.hero p {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}