/**
 * Phase 1 Quick Win Features
 * ROI Calculator, Social Proof, Comparison Tools, etc.
 */

/* === ROI CALCULATOR === */
.roi-calculator {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
}

.roi-calculator__header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.roi-calculator__header h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-black);
}

.roi-calculator__header p {
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

.roi-calculator__inputs {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.input-group label {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: var(--text-sm);
}

.input-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    outline: none;
    -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.2s;
}

.input-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.input-group input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    border: none;
}

.input-group input[type="number"] {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius);
    font-size: var(--text-base);
    font-family: var(--font-mono);
    font-weight: 600;
    transition: border-color 0.2s;
}

.input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.input-value {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: var(--text-sm);
    min-width: 60px;
    text-align: center;
}

.roi-calculator__results {
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 2px solid var(--color-gray-200);
}

.roi-calculator__results h4 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    text-align: center;
    color: var(--color-black);
}

.roi-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.roi-result-card {
    background: var(--color-gray-100);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s;
}

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

.roi-result-card--highlight {
    background: linear-gradient(135deg, #0066FF 0%, #00D9FF 100%);
    color: white;
    border-color: var(--color-primary);
}

.roi-result-card--success {
    background: linear-gradient(135deg, #00D9A3 0%, #00FF88 100%);
    color: white;
}

.roi-result-label {
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-2);
    opacity: 0.9;
}

.roi-result-card--highlight .roi-result-label,
.roi-result-card--success .roi-result-label {
    opacity: 1;
}

.roi-result-value {
    font-size: var(--text-3xl);
    font-weight: 800;
    font-family: var(--font-display);
}

.roi-breakdown {
    background: var(--color-gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
}

.roi-breakdown h5 {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-black);
}

.roi-breakdown ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.roi-breakdown li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

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

.roi-breakdown li span {
    color: var(--color-gray-700);
    font-size: var(--text-base);
}

.roi-breakdown li strong {
    color: var(--color-primary);
    font-size: var(--text-lg);
    font-weight: 700;
}

.roi-cta {
    text-align: center;
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 217, 255, 0.05) 100%);
    border-radius: var(--radius-md);
    border: 2px dashed var(--color-primary);
}

.roi-cta p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    color: var(--color-gray-800);
}

.roi-cta .btn {
    margin: 0 var(--space-2);
}

/* === SOCIAL PROOF WIDGETS === */
.social-proof {
    position: fixed;
    bottom: 100px;
    left: 24px;
    z-index: 9000;
    max-width: 320px;
}

.social-proof-notification {
    background: white;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    transform: translateX(-400px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-proof-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.social-proof-notification__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0066FF 0%, #00D9FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.social-proof-notification__content {
    flex: 1;
}

.social-proof-notification__title {
    font-weight: 700;
    font-size: var(--text-sm);
    margin-bottom: var(--space-1);
    color: var(--color-black);
}

.social-proof-notification__text {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
}

.social-proof-notification__time {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.social-proof-notification__close {
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--space-1);
    transition: color 0.2s;
}

.social-proof-notification__close:hover {
    color: var(--color-gray-700);
}

/* === CUSTOMER LOGO WALL === */
.logo-wall {
    padding: var(--space-16) 0;
    background: var(--color-gray-50);
}

.logo-wall__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.logo-wall__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
    color: var(--color-black);
}

.logo-wall__subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.logo-wall__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-6);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.logo-wall__item {
    background: white;
    padding: var(--space-6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.logo-wall__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.logo-wall__item img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(1) opacity(0.6);
    transition: filter 0.3s;
}

.logo-wall__item:hover img {
    filter: grayscale(0) opacity(1);
}

/* === COMPARISON TOOL === */
.comparison-tool {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    margin: var(--space-12) 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    overflow-x: auto;
    display: block;
}

.comparison-table thead {
    background: linear-gradient(135deg, #0066FF 0%, #00D9FF 100%);
    color: white;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.comparison-table th {
    font-weight: 700;
    font-size: var(--text-base);
}

.comparison-table tbody tr:hover {
    background: var(--color-gray-50);
}

.comparison-table .checkmark {
    color: #00D9A3;
    font-size: var(--text-xl);
}

.comparison-table .cross {
    color: var(--color-gray-400);
    font-size: var(--text-xl);
}

/* === BEFORE/AFTER SLIDER === */
.before-after-slider {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: var(--space-8) auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.before-after-slider__container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.before-after-slider__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.before-after-slider__image--after {
    clip-path: inset(0 50% 0 0);
}

.before-after-slider__handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: white;
    cursor: ew-resize;
    transform: translateX(-50%);
}

.before-after-slider__handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

.before-after-slider__handle::after {
    content: '⇄';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 24px;
    font-weight: 700;
    pointer-events: none;
}

.before-after-slider__label {
    position: absolute;
    top: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-weight: 700;
    font-size: var(--text-sm);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.before-after-slider__label--before {
    left: var(--space-4);
}

.before-after-slider__label--after {
    right: var(--space-4);
}

/* === MOBILE RESPONSIVE === */
@media (max-width: 768px) {
    .roi-calculator {
        padding: var(--space-6);
    }

    .roi-results-grid {
        grid-template-columns: 1fr;
    }

    .social-proof {
        left: 12px;
        right: 12px;
        bottom: 80px;
        max-width: none;
    }

    .logo-wall__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .comparison-table {
        font-size: var(--text-sm);
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-2);
    }

    .before-after-slider__container {
        height: 300px;
    }

    .roi-cta .btn {
        display: block;
        margin: var(--space-2) 0;
        width: 100%;
    }
}

/* Dark mode compatibility */
[data-theme="dark"] .roi-calculator,
[data-theme="dark"] .comparison-tool {
    background: var(--color-bg-secondary);
}

[data-theme="dark"] .logo-wall {
    background: var(--color-bg-primary);
}

[data-theme="dark"] .logo-wall__item {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
}

[data-theme="dark"] .social-proof-notification {
    background: var(--color-bg-secondary);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .roi-breakdown {
    background: var(--color-bg-tertiary);
}