/* ==============================================
   ESF SIMULATEUR PHOTOVOLTAÏQUE — Multi-step Wizard
   ============================================== */

.esf-sim {
    /* ── Customizable via Elementor or CSS variables ── */
    --esf-primary: #002749;
    --esf-accent: #F7A824;
    --esf-accent-light: #f9c74f;
    --esf-bg: #ffffff;
    --esf-text: #4A5568;
    --esf-muted: #718096;
    --esf-border: #e8ecf1;
    --esf-card-bg: #f8f9fa;
    --esf-card-hover-bg: #e8edf5;
    --esf-card-selected-bg: #fef8eb;
    --esf-btn-bg: #F7A824;
    --esf-btn-bg-end: #f9c74f;
    --esf-btn-text: #ffffff;
    --esf-btn-radius: 50px;
    --esf-card-radius: 14px;

    max-width: 800px;
    margin: 40px auto 60px;
    background: var(--esf-bg);
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
    padding: 0 0 30px;
    overflow: hidden;
}

/* Progress bar */
.esf-sim-progress {
    height: 6px;
    background: var(--esf-border);
    border-radius: 6px 6px 0 0;
    overflow: hidden;
}
.esf-sim-progress-bar {
    height: 100%;
    width: 14.28%;
    background: linear-gradient(90deg, var(--esf-accent), var(--esf-accent-light));
    border-radius: 0 3px 3px 0;
    transition: width 0.5s ease;
}
.esf-sim-step-indicator {
    text-align: center;
    padding: 18px 30px 0;
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--esf-muted);
    letter-spacing: 0.5px;
}

/* Steps */
.esf-sim-step {
    display: none;
    padding: 20px 40px 30px;
    animation: esfSimFadeIn 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.esf-sim-step.active {
    display: block;
}
@keyframes esfSimFadeIn {
    from { opacity: 0; transform: translateY(18px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.esf-sim-question {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--esf-primary);
    text-align: center;
    margin-bottom: 8px;
}
.esf-sim-hint {
    text-align: center;
    color: var(--esf-muted);
    font-size: 15px;
    margin-bottom: 30px;
}

/* Choices grid */
.esf-sim-choices {
    display: grid;
    gap: 16px;
    justify-content: center;
}
.esf-sim-choices-2 { grid-template-columns: repeat(2, 1fr); max-width: 440px; margin: 0 auto; }
.esf-sim-choices-3 { grid-template-columns: repeat(3, 1fr); max-width: 560px; margin: 0 auto; }
.esf-sim-choices-4 { grid-template-columns: repeat(2, 1fr); max-width: 500px; margin: 0 auto; }

.esf-sim-choice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 20px;
    background: var(--esf-card-bg);
    border: 2px solid var(--esf-border);
    border-radius: var(--esf-card-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}
.esf-sim-choice:hover {
    border-color: var(--esf-primary);
    background: var(--esf-card-hover-bg);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--esf-primary) 12%, transparent);
}
.esf-sim-choice.selected {
    border-color: var(--esf-accent);
    background: var(--esf-card-selected-bg);
    box-shadow: 0 4px 16px color-mix(in srgb, var(--esf-accent) 15%, transparent);
}
.esf-sim-choice-icon {
    font-size: 32px;
    color: var(--esf-primary);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--esf-border);
    border-radius: 50%;
    transition: all 0.3s ease;
}
.esf-sim-choice:hover .esf-sim-choice-icon {
    background: var(--esf-primary);
    color: var(--esf-btn-text);
}
.esf-sim-choice.selected .esf-sim-choice-icon {
    background: var(--esf-accent);
    color: var(--esf-btn-text);
}
.esf-sim-choice-label {
    font-weight: 600;
    font-size: 15px;
    color: var(--esf-primary);
}

/* Contact form */
.esf-sim-form {
    max-width: 600px;
    margin: 0 auto;
}
.esf-sim-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.esf-sim-form-field {
    display: flex;
    flex-direction: column;
}
.esf-sim-form-field label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 13px;
    color: var(--esf-primary);
    margin-bottom: 6px;
}
.esf-sim-form-field input,
.esf-sim-form-field textarea {
    padding: 12px 16px;
    border: 2px solid var(--esf-border);
    border-radius: 10px;
    font-family: 'Open Sans', sans-serif;
    font-size: 15px;
    color: var(--esf-text);
    transition: border-color 0.3s ease;
    outline: none;
}
.esf-sim-form-field input:focus,
.esf-sim-form-field textarea:focus {
    border-color: var(--esf-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--esf-primary) 10%, transparent);
}
.esf-sim-form-field input.esf-sim-invalid,
.esf-sim-form-field textarea.esf-sim-invalid {
    border-color: #e53e3e;
}
.esf-sim-form-full {
    margin-bottom: 20px;
}

/* Submit */
.esf-sim-submit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 10px auto 0;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--esf-btn-bg) 0%, var(--esf-btn-bg-end) 100%);
    color: var(--esf-btn-text);
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: var(--esf-btn-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    width: fit-content;
}
.esf-sim-submit:hover {
    background: linear-gradient(135deg, var(--esf-btn-hover-bg, var(--esf-btn-bg)) 0%, var(--esf-btn-hover-bg-end, var(--esf-btn-bg-end)) 100%);
    color: var(--esf-btn-hover-text, var(--esf-btn-text));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px color-mix(in srgb, var(--esf-btn-hover-bg, var(--esf-btn-bg)) 30%, transparent);
}

/* Back button */
.esf-sim-nav {
    padding: 0 40px;
}
.esf-sim-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: none;
    border: 2px solid var(--esf-border);
    border-radius: var(--esf-btn-radius);
    color: var(--esf-muted);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.esf-sim-back:hover {
    border-color: var(--esf-primary);
    color: var(--esf-primary);
}

/* Result screen */
.esf-sim-result {
    padding: 20px 0;
}

/* Result header with check icon */
.esf-sim-result-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}
.esf-sim-result-check {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #38a169, #48bb78);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    animation: esfCheckPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
    box-shadow: 0 4px 16px rgba(56, 161, 105, 0.3);
}
@keyframes esfCheckPop {
    0%   { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.esf-sim-result-check i {
    font-size: 24px;
    color: #ffffff;
}
.esf-sim-result-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: var(--esf-primary);
    margin: 0;
    text-align: left;
}

/* ── Solar panel: 2-column layout (map + KPIs) ── */
.esf-sim-solar-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 30px;
    text-align: left;
}
.esf-sim-solar-heading {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--esf-primary);
    margin: 0 0 16px;
}

/* Map */
.esf-sim-map-wrap {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}
.esf-sim-map {
    width: 100%;
    height: 320px;
    background: var(--esf-border);
}
.esf-map-marker {
    color: var(--esf-accent);
    font-size: 30px;
    text-shadow: 0 2px 6px rgba(0,0,0,0.4);
    background: none !important;
    border: none !important;
}

/* Solar badge (sunshine hours) */
.esf-sim-solar-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--esf-primary);
    color: var(--esf-btn-text);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 22px;
    border-radius: 50px;
    margin-bottom: 20px;
}
.esf-sim-solar-badge i {
    color: var(--esf-accent-light);
    font-size: 18px;
}

/* Solar KPIs list */
.esf-sim-solar-kpis {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.esf-sim-solar-kpi {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--esf-border);
}
.esf-sim-solar-kpi:last-child {
    border-bottom: none;
}
.esf-sim-solar-kpi-icon {
    width: 44px;
    height: 44px;
    background: var(--esf-card-hover-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.esf-sim-solar-kpi-icon i {
    font-size: 18px;
    color: var(--esf-muted);
}
.esf-sim-solar-kpi-body {
    flex: 1;
}
.esf-sim-solar-kpi-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--esf-primary);
    line-height: 1.2;
}
.esf-sim-solar-kpi-label {
    font-size: 13px;
    color: var(--esf-muted);
    margin-top: 2px;
}
.esf-sim-solar-kpi-badge {
    background: #fef3c7;
    color: #92400e;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 13px;
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
}
.esf-sim-result-text {
    color: var(--esf-text);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
}
.esf-sim-result-summary {
    background: var(--esf-card-bg);
    border-radius: 12px;
    padding: 24px 30px;
    margin: 0 auto 30px;
    max-width: 500px;
    text-align: left;
}
.esf-sim-result-summary .esf-sim-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--esf-border);
    font-size: 14px;
}
.esf-sim-result-summary .esf-sim-summary-row:last-child {
    border-bottom: none;
}
.esf-sim-summary-label {
    font-weight: 600;
    color: var(--esf-primary);
}
.esf-sim-summary-value {
    color: var(--esf-accent);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 600px) {
    .esf-sim {
        margin: 20px 15px 40px;
        border-radius: 12px;
    }
    .esf-sim-step {
        padding: 20px 20px 24px;
    }
    .esf-sim-question {
        font-size: 20px;
    }
    .esf-sim-choices-2,
    .esf-sim-choices-3,
    .esf-sim-choices-4 {
        grid-template-columns: 1fr;
        max-width: 320px;
    }
    .esf-sim-form-row {
        grid-template-columns: 1fr;
    }
    .esf-sim-nav {
        padding: 0 20px;
    }
    .esf-sim-submit {
        width: 100%;
        justify-content: center;
    }
    .esf-sim-result-summary {
        padding: 16px 20px;
    }
}

/* ==============================================
   Address Autocomplete
   ============================================== */

.esf-sim-address-wrap {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.esf-sim-address-wrap .esf-sim-form-field {
    width: 100%;
    position: relative;
}
.esf-sim-address-wrap .esf-sim-form-field input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--esf-border);
    border-radius: 12px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    outline: none;
    transition: border-color 0.3s;
    box-sizing: border-box;
}
.esf-sim-address-wrap .esf-sim-form-field input:focus {
    border-color: var(--esf-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--esf-primary) 10%, transparent);
}
.esf-sim-address-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--esf-border);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    z-index: 10;
    max-height: 240px;
    overflow-y: auto;
}
.esf-sim-addr-item {
    padding: 12px 18px;
    cursor: pointer;
    font-size: 14px;
    color: var(--esf-text);
    transition: background 0.2s;
    border-bottom: 1px solid var(--esf-border);
}
.esf-sim-addr-item:last-child { border-bottom: none; }
.esf-sim-addr-item:hover {
    background: var(--esf-card-hover-bg);
    color: var(--esf-primary);
}
.esf-sim-addr-item i { color: var(--esf-accent); margin-right: 8px; }
.esf-sim-addr-empty { color: var(--esf-muted); cursor: default; }
.esf-sim-addr-empty:hover { background: transparent; }

.esf-sim-address-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #f0fdf4;
    border: 2px solid #38a169;
    border-radius: 12px;
    padding: 16px 20px;
    width: 100%;
    box-sizing: border-box;
}
.esf-sim-address-card > i {
    font-size: 24px;
    color: #38a169;
}
.esf-sim-address-card strong {
    color: var(--esf-primary);
    font-size: 15px;
}
.esf-sim-addr-coords {
    font-size: 12px;
    color: var(--esf-muted);
}
.esf-sim-addr-change {
    margin-left: auto;
    background: none;
    border: 1px solid var(--esf-muted);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--esf-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
}
.esf-sim-addr-change:hover {
    border-color: var(--esf-primary);
    color: var(--esf-primary);
}
.esf-sim-addr-next {
    margin-top: 8px;
}

/* ==============================================
   Loading Spinner
   ============================================== */

.esf-sim-loading {
    text-align: center;
    padding: 40px 0;
}
.esf-sim-spinner {
    width: 56px;
    height: 56px;
    border: 5px solid var(--esf-border);
    border-top-color: var(--esf-accent);
    border-radius: 50%;
    margin: 0 auto 24px;
    animation: esfSpin 0.8s linear infinite;
}
@keyframes esfSpin {
    to { transform: rotate(360deg); }
}

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

.esf-sim-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 30px 0;
}
.esf-sim-kpi {
    background: var(--esf-card-bg);
    border-radius: var(--esf-card-radius);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--esf-border);
    transition: transform 0.3s, box-shadow 0.3s;
}
.esf-sim-kpi:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.esf-sim-kpi-icon {
    font-size: 28px;
    color: var(--esf-accent);
    margin-bottom: 10px;
}
.esf-sim-kpi-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--esf-primary);
    margin-bottom: 6px;
}
.esf-sim-kpi-label {
    font-size: 12px;
    color: var(--esf-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ==============================================
   Monthly Bar Chart
   ============================================== */

.esf-sim-chart-section {
    margin: 30px 0;
}
.esf-sim-chart-section h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--esf-primary);
    text-align: center;
    margin-bottom: 20px;
}
.esf-sim-chart-section h3 i {
    color: var(--esf-accent);
    margin-right: 8px;
}
.esf-sim-bars {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 6px;
    height: 180px;
    padding: 0 10px;
}
.esf-sim-bar-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 52px;
    height: 100%;
    justify-content: flex-end;
}
.esf-sim-bar-value {
    font-size: 10px;
    font-weight: 700;
    color: var(--esf-primary);
    margin-bottom: 4px;
}
.esf-sim-bar {
    width: 100%;
    background: linear-gradient(180deg, var(--esf-accent) 0%, var(--esf-accent-light) 100%);
    border-radius: 6px 6px 0 0;
    min-height: 4px;
    transition: height 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
    animation: esfBarGrow 0.8s ease-out both;
    transform-origin: bottom;
}
@keyframes esfBarGrow {
    from { transform: scaleY(0); }
    to   { transform: scaleY(1); }
}
.esf-sim-bar-col:nth-child(1) .esf-sim-bar  { animation-delay: 0s; }
.esf-sim-bar-col:nth-child(2) .esf-sim-bar  { animation-delay: 0.05s; }
.esf-sim-bar-col:nth-child(3) .esf-sim-bar  { animation-delay: 0.10s; }
.esf-sim-bar-col:nth-child(4) .esf-sim-bar  { animation-delay: 0.15s; }
.esf-sim-bar-col:nth-child(5) .esf-sim-bar  { animation-delay: 0.20s; }
.esf-sim-bar-col:nth-child(6) .esf-sim-bar  { animation-delay: 0.25s; }
.esf-sim-bar-col:nth-child(7) .esf-sim-bar  { animation-delay: 0.30s; }
.esf-sim-bar-col:nth-child(8) .esf-sim-bar  { animation-delay: 0.35s; }
.esf-sim-bar-col:nth-child(9) .esf-sim-bar  { animation-delay: 0.40s; }
.esf-sim-bar-col:nth-child(10) .esf-sim-bar { animation-delay: 0.45s; }
.esf-sim-bar-col:nth-child(11) .esf-sim-bar { animation-delay: 0.50s; }
.esf-sim-bar-col:nth-child(12) .esf-sim-bar { animation-delay: 0.55s; }
.esf-sim-bar-label {
    font-size: 11px;
    color: var(--esf-muted);
    font-weight: 600;
    margin-top: 6px;
}
.esf-sim-chart-unit {
    text-align: center;
    font-size: 12px;
    color: var(--esf-muted);
    margin-top: 8px;
}

/* ==============================================
   Result CTA
   ============================================== */

.esf-sim-result-cta {
    text-align: center;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--esf-border);
}
.esf-sim-result-cta p {
    color: var(--esf-text);
    font-size: 15px;
    margin-bottom: 16px;
}
.esf-sim-result-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}
.esf-sim-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: 2px solid var(--esf-border);
    border-radius: var(--esf-btn-radius);
    color: var(--esf-muted);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s;
}
.esf-sim-back-link:hover {
    border-color: var(--esf-primary);
    color: var(--esf-primary);
}

/* Responsive KPIs + chart */
@media (max-width: 768px) {
    .esf-sim-solar-panel {
        grid-template-columns: 1fr;
    }
    .esf-sim-map {
        height: 240px;
    }
    .esf-sim-result-header {
        flex-direction: column;
        text-align: center;
    }
    .esf-sim-result-title {
        text-align: center;
        font-size: 20px;
    }
    .esf-sim-kpis {
        grid-template-columns: repeat(2, 1fr);
    }
    .esf-sim-kpi-value {
        font-size: 18px;
    }
    .esf-sim-bars {
        height: 140px;
        gap: 3px;
    }
    .esf-sim-bar-value {
        font-size: 8px;
    }
    .esf-sim-bar-label {
        font-size: 9px;
    }
    .esf-sim-address-card {
        flex-wrap: wrap;
    }
}
@media (max-width: 480px) {
    .esf-sim-kpis {
        grid-template-columns: 1fr;
    }
    .esf-sim-solar-kpi-value {
        font-size: 18px;
    }
}

/* ==============================================
   Trust Cards (above simulator)
   ============================================== */

.esf-sim-trust-cards {
    position: relative;
    z-index: 10;
}
.esf-sim-trust-cards > .e-con {
    transition: transform 0.3s, box-shadow 0.3s;
}
.esf-sim-trust-cards > .e-con:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.10) !important;
}

/* ==============================================
   KPI value animated counter
   ============================================== */

.esf-sim-solar-kpi {
    animation: esfKpiFadeIn 0.5s ease both;
}
.esf-sim-solar-kpi:nth-child(1) { animation-delay: 0.1s; }
.esf-sim-solar-kpi:nth-child(2) { animation-delay: 0.2s; }
.esf-sim-solar-kpi:nth-child(3) { animation-delay: 0.3s; }
.esf-sim-solar-kpi:nth-child(4) { animation-delay: 0.4s; }

@keyframes esfKpiFadeIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Solar badge shimmer */
.esf-sim-solar-badge {
    position: relative;
    overflow: hidden;
}
.esf-sim-solar-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: esfBadgeShimmer 3s ease infinite;
}
@keyframes esfBadgeShimmer {
    0%   { left: -100%; }
    50%  { left: 100%; }
    100% { left: 100%; }
}

/* Result header success accent */
.esf-sim-result-header {
    position: relative;
    padding-left: 0;
}
.esf-sim-result-title {
    background: linear-gradient(135deg, var(--esf-primary) 0%, #38a169 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading screen enhanced */
.esf-sim-loading .esf-sim-question {
    background: linear-gradient(90deg, var(--esf-primary), var(--esf-accent), var(--esf-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: esfLoadGradient 2s linear infinite;
}
@keyframes esfLoadGradient {
    to { background-position: 200% center; }
}