/* ============================================
   VISUAL HIERARCHY IMPROVEMENTS
   ============================================ */

/* TYPOGRAPHY SCALE */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.75em;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

h5 {
    font-size: 1rem;
    font-weight: 600;
}

h6 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Responsive typography */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
}

/* BUTTON HIERARCHY */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    font-size: 1rem;
    letter-spacing: 0.01em;
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.875rem;
}

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

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.btn-tertiary:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: var(--danger);
    color: white;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.875rem;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* CARD HIERARCHY */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-elevated {
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-elevated:hover {
    box-shadow: var(--shadow-lg);
}

.card-featured {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border: 2px solid var(--accent-primary);
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.card-body {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* SPACING SYSTEM */
.spacing-xs { margin: 0.25rem; }
.spacing-sm { margin: 0.5rem; }
.spacing-md { margin: 1rem; }
.spacing-lg { margin: 1.5rem; }
.spacing-xl { margin: 2rem; }
.spacing-2xl { margin: 3rem; }

.padding-xs { padding: 0.25rem; }
.padding-sm { padding: 0.5rem; }
.padding-md { padding: 1rem; }
.padding-lg { padding: 1.5rem; }
.padding-xl { padding: 2rem; }
.padding-2xl { padding: 3rem; }

/* TEXT HIERARCHY */
.text-display {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.text-headline {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.text-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
}

.text-body-large {
    font-size: 1.125rem;
    line-height: 1.6;
}

.text-body {
    font-size: 1rem;
    line-height: 1.6;
}

.text-body-small {
    font-size: 0.875rem;
    line-height: 1.5;
}

.text-caption {
    font-size: 0.75rem;
    line-height: 1.4;
    font-weight: 500;
}

.text-overline {
    font-size: 0.6875rem;
    line-height: 1.4;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* TEXT COLORS */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

/* SECTION HIERARCHY */
.section {
    padding: 2rem 0;
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* DIVIDER HIERARCHY */
.divider {
    height: 1px;
    background: var(--glass-border);
    margin: 1.5rem 0;
}

.divider-thick {
    height: 2px;
    background: var(--glass-border);
    margin: 2rem 0;
}

.divider-accent {
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary) 0%, transparent 100%);
    margin: 1.5rem 0;
}

/* BADGE HIERARCHY */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--accent-primary);
    color: white;
}

.badge-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.badge-success {
    background: var(--success);
    color: white;
}

.badge-danger {
    background: var(--danger);
    color: white;
}

.badge-warning {
    background: var(--warning);
    color: white;
}

/* ALERT HIERARCHY */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: 1rem;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
    color: #3b82f6;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #22c55e;
}

.alert-warning {
    background: rgba(234, 179, 8, 0.1);
    border-color: #eab308;
    color: #eab308;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
}

/* FORM ELEMENT HIERARCHY */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-label-required::after {
    content: ' *';
    color: var(--danger);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

/* ICON HIERARCHY */
.icon-sm { font-size: 1rem; }
.icon-md { font-size: 1.25rem; }
.icon-lg { font-size: 1.5rem; }
.icon-xl { font-size: 2rem; }
.icon-2xl { font-size: 2.5rem; }

/* PROGRESS STEPS */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--glass-border);
    transform: translateY(-50%);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-circle {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.step.active .step-circle {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.step.completed .step-circle {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.step.active .step-label {
    color: var(--text-primary);
    font-weight: 600;
}

/* Responsive visual hierarchy */
@media (max-width: 768px) {
    .text-display { font-size: 2.5rem; }
    .text-headline { font-size: 1.75rem; }
    .text-title { font-size: 1.25rem; }
    
    .btn-large { padding: 1rem 2rem; font-size: 1rem; }
    
    .card { padding: 1.25rem; }
    
    .section { padding: 1.5rem 0; }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .btn-primary,
    .btn-secondary,
    .btn-tertiary,
    .btn-danger,
    .card,
    .step-circle {
        transition: none;
    }
    
    .btn-primary:hover,
    .btn-secondary:hover,
    .card:hover {
        transform: none;
    }
}