/* ===== ROI Calculator Page ===== */

/* Tab System */
.roi-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0;
}

.roi-tab-btn {
    background: none;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.roi-tab-btn:hover {
    color: var(--color-primary);
    background: rgba(79, 70, 229, 0.04);
}

.roi-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(79, 70, 229, 0.04);
}

.roi-tab-btn i {
    font-size: 1.1rem;
}

.roi-tab-content {
    display: none;
}

.roi-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Calculator Container */
.roi-calculator-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 968px) {
    .roi-calculator-wrap {
        grid-template-columns: 1fr;
    }
}

/* Input Panel */
.roi-input-panel {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.roi-input-panel h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.roi-input-panel h3 i {
    color: var(--color-primary);
}

.roi-input-panel > p {
    color: var(--color-text-muted);
    font-size: 0.925rem;
    margin-bottom: 32px;
    line-height: 1.6;
}

.roi-input-group {
    margin-bottom: 24px;
}

.roi-input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.925rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.roi-input-group .input-wrap {
    position: relative;
}

.roi-input-group .input-prefix {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    pointer-events: none;
}

.roi-input-group .input-suffix {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    pointer-events: none;
}

.roi-input-group input[type="number"],
.roi-input-group input[type="text"] {
    width: 100%;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg);
    transition: all 0.2s ease;
}

.roi-input-group input.has-prefix {
    padding-left: 32px;
}

.roi-input-group input.has-suffix {
    padding-right: 60px;
}

.roi-input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.roi-input-group input::placeholder {
    color: var(--color-text-muted);
    font-weight: 400;
}

/* Help Tooltips */
.roi-help {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    cursor: help;
    font-size: 0.75rem;
    font-weight: 700;
}

.roi-help .roi-help-icon {
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    transition: all 0.2s ease;
}

.roi-help:hover .roi-help-icon {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.roi-help .roi-tooltip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-dark);
    color: #fff;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.5;
    width: 220px;
    text-align: left;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    pointer-events: none;
    transition: all 0.2s ease;
}

.roi-help .roi-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-dark);
}

.roi-help:hover .roi-tooltip {
    visibility: visible;
    opacity: 1;
}

/* Result Panel */
.roi-result-panel {
    position: sticky;
    top: 90px;
}

.roi-result-card {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #312E81 100%);
    border-radius: var(--radius-xl);
    padding: 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.roi-result-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
    border-radius: 50%;
}

.roi-result-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.roi-result-card .roi-result-content {
    position: relative;
    z-index: 1;
}

.roi-result-card h3 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.roi-big-number {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}

.roi-big-number .roi-prefix {
    font-size: 2rem;
    font-weight: 600;
    vertical-align: top;
    margin-top: 8px;
    display: inline-block;
}

.roi-big-number .roi-suffix {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.8;
    margin-left: 4px;
}

.roi-result-tagline {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: 32px;
    line-height: 1.5;
}

/* Breakdown */
.roi-breakdown {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.roi-breakdown h4 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.roi-breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.roi-breakdown-item:last-child {
    border-bottom: none;
}

.roi-breakdown-item .roi-breakdown-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.roi-breakdown-item .roi-breakdown-value {
    color: #fff;
    font-weight: 600;
    font-size: 0.925rem;
}

.roi-breakdown-item.roi-total {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    margin-top: 8px;
    padding-top: 16px;
}

.roi-breakdown-item.roi-total .roi-breakdown-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.roi-breakdown-item.roi-total .roi-breakdown-value {
    font-size: 1.1rem;
    color: #6EE7B7;
}

/* Micro Stats */
.roi-micro-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
}

.roi-micro-stat {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.roi-micro-stat .roi-micro-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: #A5B4FC;
    line-height: 1;
    margin-bottom: 4px;
}

.roi-micro-stat .roi-micro-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Verdict */
.roi-verdict {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.roi-verdict i {
    color: #6EE7B7;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.roi-verdict p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

/* CTA inside calculator */
.roi-cta-section {
    margin-top: 24px;
}

.roi-cta-section .btn-fs-primary {
    width: 100%;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
}

.roi-cta-section .roi-cta-note {
    text-align: center;
    margin-top: 12px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Animated number transitions */
.roi-big-number {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Number change pulse effect */
@keyframes roiPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

.roi-pulse {
    animation: roiPulse 0.4s ease;
}

/* Social Proof Bar */
.roi-social-proof {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.roi-social-proof i {
    color: var(--color-primary);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.roi-social-proof p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.5;
}

.roi-social-proof strong {
    color: var(--color-text);
}

/* Comparison Banner */
.roi-comparison-banner {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(14, 165, 233, 0.06));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
    margin-top: 24px;
    text-align: center;
}

.roi-comparison-banner p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.roi-comparison-banner strong {
    color: var(--color-success);
}

/* Divider */
.roi-divider {
    height: 1px;
    background: var(--color-border);
    margin: 28px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .roi-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 4px;
    }
    
    .roi-tab-btn {
        border-radius: var(--radius-md);
        border-bottom: none;
        border-left: 3px solid transparent;
        margin-bottom: 0;
    }
    
    .roi-tab-btn.active {
        border-left-color: var(--color-primary);
        border-bottom: none;
        background: rgba(79, 70, 229, 0.04);
    }
    
    .roi-input-panel {
        padding: 28px 20px;
    }
    
    .roi-result-card {
        padding: 28px 20px;
    }
    
    .roi-big-number {
        font-size: 3rem;
    }
    
    .roi-micro-stats {
        grid-template-columns: 1fr 1fr;
    }
}