/* ========================================
   EG Tools — EV Compare
   Sistema visual inicial
======================================== */

:root {
    --color-background: #f3f5f7;
    --color-surface: #ffffff;
    --color-text: #181a1d;
    --color-muted: #646b74;
    --color-border: #dfe3e8;
    --color-brand: #f6c900;
    --color-brand-hover: #e5ba00;
    --color-dark: #202327;
    --color-focus: rgba(246, 201, 0, 0.3);

    --radius-small: 12px;
    --radius-medium: 18px;
    --radius-large: 28px;

    --shadow-card: 0 24px 70px rgba(22, 28, 36, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-family:
        Inter, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-background);
}

body {
    min-height: 100vh;
}

button {
    font: inherit;
}

.app-shell {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 32px 20px;
}

.welcome-card {
    width: min(100%, 760px);
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid rgba(24, 26, 29, 0.06);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-card);
}

.brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 28px;
    color: #ffffff;
    background: var(--color-dark);
}

.brand__name {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.brand__tagline {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.82rem;
}

.welcome-content {
    padding: clamp(28px, 6vw, 58px);
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 7px 11px;
    color: var(--color-dark);
    background: rgba(246, 201, 0, 0.22);
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    max-width: 650px;
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1.06;
    letter-spacing: -0.045em;
}

.intro {
    max-width: 560px;
    margin-top: 20px;
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

.choice-group {
    display: grid;
    gap: 14px;
    margin-top: 38px;
    border: 0;
}

.choice-group legend {
    margin-bottom: 14px;
    font-weight: 750;
}

.choice-card {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    padding: 19px;
    color: var(--color-text);
    text-align: left;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition:
        transform 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease,
        background 160ms ease;
}

.choice-card:hover {
    border-color: #bfc5cc;
    transform: translateY(-2px);
}

.choice-card:focus-visible,
.primary-button:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.choice-card--selected {
    background: rgba(246, 201, 0, 0.09);
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(246, 201, 0, 0.16);
}

.choice-card__icon {
    display: grid;
    flex: 0 0 48px;
    height: 48px;
    place-items: center;
    background: var(--color-background);
    border-radius: var(--radius-small);
    font-size: 1.35rem;
}

.choice-card strong,
.choice-card small {
    display: block;
}

.choice-card strong {
    margin-bottom: 5px;
    font-size: 1rem;
}

.choice-card small {
    color: var(--color-muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.primary-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 56px;
    margin-top: 24px;
    padding: 14px 22px;
    color: var(--color-dark);
    background: var(--color-brand);
    border: 0;
    border-radius: var(--radius-small);
    font-weight: 800;
    cursor: pointer;
    transition:
        background 160ms ease,
        transform 160ms ease,
        opacity 160ms ease;
}

.primary-button:not(:disabled):hover {
    background: var(--color-brand-hover);
    transform: translateY(-1px);
}

.primary-button:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.selection-message {
    min-height: 24px;
    margin-top: 14px;
    color: var(--color-muted);
    font-size: 0.88rem;
    text-align: center;
}

@media (max-width: 560px) {
    .app-shell {
        align-items: start;
        padding: 14px;
    }

    .welcome-card {
        border-radius: 22px;
    }

    .brand {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
        padding: 18px 20px;
    }

    .welcome-content {
        padding: 30px 20px;
    }

    .choice-card {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}
.back-button {
    margin-bottom: 22px;
    padding: 0;
    color: var(--color-muted);
    background: transparent;
    border: 0;
    font-weight: 700;
    cursor: pointer;
}

.back-button:hover {
    color: var(--color-text);
}

.screen-title {
    font-size: clamp(1.9rem, 5vw, 3rem);
}

.form-group {
    display: grid;
    gap: 9px;
    margin-top: 24px;
}

.form-group label {
    font-size: 0.92rem;
    font-weight: 750;
}

.form-group select {
    width: 100%;
    min-height: 55px;
    padding: 0 16px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    font: inherit;
    cursor: pointer;
}

.form-group select:focus {
    border-color: var(--color-brand);
    outline: 3px solid var(--color-focus);
}

.form-group select:disabled {
    color: var(--color-muted);
    background: var(--color-background);
    cursor: not-allowed;
}

.load-error {
    max-width: 500px;
    margin: 80px auto;
    padding: 24px;
    font-family: Arial, sans-serif;
    text-align: center;
}
.screen-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.screen-navigation .back-button,
.screen-navigation .eyebrow {
    margin-bottom: 0;
}

.search-field {
    position: relative;
}

.search-control {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 55px;
    padding: 0 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
}

.search-control:focus-within {
    border-color: var(--color-brand);
    outline: 3px solid var(--color-focus);
}

.search-control span {
    color: var(--color-muted);
    font-size: 1.3rem;
}

.search-control input {
    width: 100%;
    min-height: 52px;
    padding: 0;
    color: var(--color-text);
    background: transparent;
    border: 0;
    outline: 0;
    font: inherit;
}

.search-control:has(input:disabled) {
    background: var(--color-background);
    opacity: 0.75;
}

.search-results {
    position: absolute;
    z-index: 20;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: 230px;
    overflow-y: auto;
    padding: 7px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    box-shadow: 0 18px 45px rgba(22, 28, 36, 0.14);
}

.search-result {
    display: block;
    width: 100%;
    padding: 13px 14px;
    color: var(--color-text);
    text-align: left;
    background: transparent;
    border: 0;
    border-radius: 9px;
    cursor: pointer;
}

.search-result:hover,
.search-result:focus-visible {
    background: rgba(246, 201, 0, 0.14);
    outline: none;
}

.empty-result {
    padding: 14px;
    color: var(--color-muted);
    font-size: 0.9rem;
}
/* Sprint 02 — uso y resultados */
.selected-vehicle {
    margin-bottom: 10px;
    color: var(--color-muted);
    font-weight: 750;
}

.usage-block,
.option-section {
    margin-top: 30px;
    padding: 22px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.option-section {
    border: 0;
    padding: 0;
}

.option-section legend,
.range-heading label {
    font-weight: 800;
}

.range-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.range-heading strong {
    font-size: 1.5rem;
}

.range-input {
    width: 100%;
    margin-top: 24px;
    accent-color: var(--color-brand);
}

.range-scale {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    color: var(--color-muted);
    font-size: 0.8rem;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
}

.option-grid--four {
    grid-template-columns: repeat(4, 1fr);
}

.option-card {
    display: grid;
    gap: 8px;
    min-height: 96px;
    place-items: center;
    padding: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    cursor: pointer;
}

.option-card span {
    font-size: 1.35rem;
}

.option-card--selected {
    background: rgba(246, 201, 0, 0.1);
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px var(--color-focus);
}

.hero-result {
    display: grid;
    gap: 8px;
    margin-top: 30px;
    padding: 28px;
    color: #ffffff;
    background: var(--color-dark);
    border-radius: var(--radius-medium);
}

.hero-result span,
.hero-result small {
    color: rgba(255, 255, 255, 0.72);
}

.hero-result strong {
    font-size: clamp(2.3rem, 7vw, 4rem);
    line-height: 1;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 14px;
}

.result-card {
    display: grid;
    gap: 8px;
    padding: 20px;
    background: var(--color-background);
    border-radius: var(--radius-small);
}

.result-card span {
    color: var(--color-muted);
    font-size: 0.88rem;
}

.result-card strong {
    font-size: 1.35rem;
}

.result-card--highlight {
    background: rgba(246, 201, 0, 0.16);
}

.annual-saving {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 14px;
    padding: 18px 20px;
    border: 1px solid var(--color-brand);
    border-radius: var(--radius-small);
}

.annual-saving strong {
    font-size: 1.5rem;
}

.result-note {
    margin-top: 18px;
    padding: 14px 16px;
    color: var(--color-muted);
    background: var(--color-background);
    border-radius: var(--radius-small);
    font-size: 0.82rem;
    line-height: 1.5;
}

.version-label {
    margin-top: 16px;
    color: var(--color-muted);
    font-size: 0.75rem;
    text-align: center;
}

@media (max-width: 620px) {
    .option-grid,
    .option-grid--four,
    .result-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .range-heading,
    .annual-saving {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* Sprint 03 — resultados explicables y compartibles */
.saving-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 14px;
    padding: 18px 20px;
    background: rgba(246, 201, 0, 0.16);
    border: 1px solid rgba(246, 201, 0, 0.55);
    border-radius: var(--radius-small);
}

.saving-summary div {
    display: grid;
    gap: 5px;
}

.saving-summary span {
    color: var(--color-muted);
    font-size: 0.86rem;
}

.saving-summary strong {
    font-size: 1.35rem;
}

.saving-badge {
    flex: 0 0 auto;
    padding: 8px 11px;
    color: var(--color-dark) !important;
    background: var(--color-brand);
    border-radius: 999px;
    font-weight: 850;
}

.recommendation-card {
    display: flex;
    gap: 18px;
    margin-top: 24px;
    padding: 22px;
    background: #fffdf3;
    border: 1px solid rgba(246, 201, 0, 0.55);
    border-radius: var(--radius-medium);
}

.recommendation-card__icon {
    display: grid;
    flex: 0 0 46px;
    height: 46px;
    place-items: center;
    background: var(--color-brand);
    border-radius: 12px;
    font-size: 1.25rem;
}

.recommendation-card__eyebrow {
    margin-bottom: 5px;
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.recommendation-card h2 {
    font-size: 1.2rem;
    line-height: 1.2;
}

.recommendation-card p:not(.recommendation-card__eyebrow) {
    margin-top: 9px;
    color: var(--color-muted);
    line-height: 1.55;
}

.recommendation-card small {
    display: block;
    margin-top: 10px;
    color: var(--color-text);
    font-weight: 650;
    line-height: 1.5;
}

.assumptions-card {
    margin-top: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    overflow: hidden;
}

.assumptions-card summary {
    padding: 16px 18px;
    font-weight: 750;
    cursor: pointer;
}

.assumptions-card[open] summary {
    border-bottom: 1px solid var(--color-border);
}

.assumptions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--color-border);
}

.assumptions-grid p {
    display: grid;
    gap: 5px;
    padding: 16px 18px;
    background: var(--color-surface);
}

.assumptions-grid span {
    color: var(--color-muted);
    font-size: 0.82rem;
}

.result-actions {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 12px;
    margin-top: 22px;
}

.result-actions .primary-button,
.result-actions .secondary-button {
    margin-top: 0;
}

.secondary-button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    padding: 14px 22px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    font-weight: 800;
    cursor: pointer;
}

.secondary-button:hover {
    border-color: #bfc5cc;
    background: var(--color-background);
}

@media (max-width: 620px) {
    .saving-summary,
    .recommendation-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .assumptions-grid,
    .result-actions {
        grid-template-columns: 1fr;
    }

    .saving-badge {
        align-self: flex-start;
    }
}


/* Sprint 04 — comparación visual, impacto y compartir */
.cost-comparison {
    margin-top: 18px;
    padding: 22px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.section-heading h2 {
    margin-top: 3px;
    font-size: 1.15rem;
}

.section-heading > span,
.section-kicker {
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.comparison-row + .comparison-row { margin-top: 18px; }

.comparison-label {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.comparison-track {
    height: 14px;
    overflow: hidden;
    background: #e8ebef;
    border-radius: 999px;
}

.comparison-fill {
    display: block;
    min-width: 8px;
    height: 100%;
    border-radius: inherit;
}

.comparison-fill--electric { background: var(--color-brand); }
.comparison-fill--fuel { background: var(--color-dark); }

.insight-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 18px;
}

.insight-card {
    display: flex;
    gap: 14px;
    min-height: 128px;
    padding: 18px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
}

.insight-card--wide { grid-column: 1 / -1; }

.insight-card__icon {
    display: grid;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    place-items: center;
    background: var(--color-surface);
    border-radius: 11px;
}

.insight-card p {
    color: var(--color-muted);
    font-size: 0.84rem;
}

.insight-card strong {
    display: block;
    margin-top: 5px;
    font-size: 1.25rem;
}

.insight-card small {
    display: block;
    margin-top: 5px;
    color: var(--color-muted);
    line-height: 1.4;
}

.result-actions--three {
    grid-template-columns: .75fr .9fr 1.5fr;
}

.share-status {
    min-height: 1.3em;
    margin-top: 10px;
    color: var(--color-muted);
    font-size: 0.8rem;
    text-align: center;
}

@media (max-width: 620px) {
    .insight-grid,
    .result-actions--three {
        grid-template-columns: 1fr;
    }

    .insight-card--wide { grid-column: auto; }
    .section-heading { flex-direction: column; }
}


/* Sprint 05 — valores personalizados y enlaces compartibles */
.custom-values-card {
    margin-top: 18px;
    padding: 0;
    overflow: hidden;
    background: #fffdf3;
    border: 1px solid rgba(246, 201, 0, 0.75);
    border-radius: var(--radius-medium);
}

.custom-values-card summary {
    padding: 17px 20px;
    font-weight: 800;
    cursor: pointer;
}

.custom-values-card[open] summary {
    border-bottom: 1px solid rgba(246, 201, 0, 0.45);
}

.custom-values-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 20px 20px 0;
}

.custom-values-grid label {
    display: grid;
    gap: 8px;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.custom-values-grid input {
    width: 100%;
    min-height: 48px;
    padding: 10px 12px;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font: inherit;
    font-weight: 750;
}

.custom-values-grid input:focus {
    outline: 3px solid var(--color-focus);
    border-color: var(--color-brand);
}

.custom-values-button {
    width: calc(100% - 40px);
    margin: 16px 20px 0;
}

.custom-values-card > p {
    padding: 12px 20px 20px;
    color: var(--color-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

@media (max-width: 620px) {
    .custom-values-grid { grid-template-columns: 1fr; }
}

/* Sprint 08 — identidad, conversión y resultado descargable */
.brand__identity {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand__mark {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.28));
}

.welcome-logo {
    display: block;
    width: min(210px, 58vw);
    height: auto;
    margin: -18px auto 18px;
    object-fit: contain;
    filter: drop-shadow(0 16px 26px rgba(20, 22, 26, 0.16));
}

.result-actions--four {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.result-actions--four .primary-button {
    grid-column: 1 / -1;
    margin-top: 0;
}

.service-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 20px;
    padding: 24px;
    color: #ffffff;
    background: linear-gradient(135deg, #202327, #30343a);
    border-radius: var(--radius-medium);
}

.service-cta h2 {
    margin-top: 4px;
    font-size: clamp(1.25rem, 3vw, 1.65rem);
}

.service-cta p:not(.section-kicker) {
    max-width: 510px;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
    line-height: 1.55;
}

.service-cta .section-kicker {
    color: var(--color-brand);
}

.service-cta__link {
    flex: 0 0 auto;
    padding: 12px 15px;
    color: #17191d;
    background: var(--color-brand);
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: none;
}

.service-cta__link:hover {
    background: var(--color-brand-hover);
}

@media (max-width: 680px) {
    .brand {
        padding: 13px 18px;
    }

    .brand__mark {
        width: 34px;
        height: 34px;
    }

    .brand__tagline {
        display: none;
    }

    .welcome-logo {
        width: min(178px, 54vw);
        margin-top: -8px;
    }

    .result-actions--four {
        grid-template-columns: 1fr;
    }

    .result-actions--four .primary-button {
        grid-column: auto;
    }

    .service-cta {
        align-items: flex-start;
        flex-direction: column;
    }

    .service-cta__link {
        width: 100%;
        text-align: center;
    }
}


/* Sprint 09 — SEO, rendimiento percibido y confianza */
[data-screen]:not([data-screen="welcome"]) .seo-content { display: none; }

.seo-content {
    width: min(100% - 28px, 760px);
    margin: 0 auto 48px;
}

.seo-content__inner {
    padding: 34px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
}

.seo-content h2 {
    margin-top: 6px;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    line-height: 1.08;
}

.seo-content__inner > p:not(.section-kicker) {
    margin-top: 14px;
    color: var(--color-muted);
    line-height: 1.65;
}

.seo-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.seo-benefits article {
    display: grid;
    gap: 7px;
    padding: 17px;
    background: var(--color-background);
    border-radius: var(--radius-small);
}

.seo-benefits span,
.faq-list p {
    color: var(--color-muted);
    font-size: .86rem;
    line-height: 1.5;
}

.faq-list { margin-top: 22px; }
.faq-list details { border-top: 1px solid var(--color-border); }
.faq-list summary { padding: 16px 0; font-weight: 800; cursor: pointer; }
.faq-list p { padding: 0 0 17px; }

.trust-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 18px;
    margin-top: 18px;
    color: var(--color-muted);
    font-size: .78rem;
    font-weight: 700;
}

.comparison-fill {
    transform-origin: left;
    animation: grow-bar .7s ease-out both;
}

@keyframes grow-bar {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@media (max-width: 680px) {
    .seo-content__inner { padding: 24px 20px; }
    .seo-benefits { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

@media print {
    .brand, .result-actions, .service-cta, .custom-values-card, .back-button, .seo-content { display: none !important; }
    body { background: #fff; }
    .welcome-card { box-shadow: none; border: 0; }
}


/* v1.0 — métricas unitarias y salida lista para publicación */
.unit-costs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}
.unit-costs > div {
    display: grid;
    gap: 5px;
    padding: 20px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
}
.unit-costs strong { font-size: clamp(1.35rem, 4vw, 2rem); }
.unit-costs span { color: var(--color-muted); font-size: .84rem; }
.unit-costs__saving { background: #fff6d8 !important; border-color: rgba(246, 201, 0, .55) !important; }
.result-actions--five {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.result-actions--five .primary-button { grid-column: 1 / -1; }
.data-freshness {
    margin-top: 10px;
    color: var(--color-muted);
    font-size: .76rem;
    text-align: center;
}
@media (max-width: 680px) {
    .unit-costs { grid-template-columns: 1fr; }
    .result-actions--five { grid-template-columns: 1fr 1fr; }
    .result-actions--five .primary-button { grid-column: 1 / -1; }
}
@media (max-width: 430px) {
    .result-actions--five { grid-template-columns: 1fr; }
    .result-actions--five .primary-button { grid-column: auto; }
}
@media print {
    .unit-costs { grid-template-columns: repeat(3, 1fr); }
    .data-freshness { display: block !important; }
}


/* v1.1 · Simulador solar */
.solar-simulator {
    margin: 28px 0;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid rgba(246, 201, 0, .65);
    border-radius: var(--radius-large, 24px);
    background: linear-gradient(145deg, #fffdf5, #fff7d6);
}
.solar-simulator__heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}
.solar-simulator__heading h2 { margin: 4px 0 0; font-size: clamp(1.35rem, 3vw, 2rem); }
.solar-simulator__heading > strong {
    min-width: 74px;
    padding: 10px 13px;
    border-radius: 999px;
    background: #202327;
    color: #ffffff;
    text-align: center;
    font-size: 1.05rem;
}
.solar-simulator__intro { max-width: 720px; margin: 12px 0 20px; color: var(--color-muted); }
.solar-range { display: block; }
.solar-range input { width: 100%; accent-color:#f6c900; cursor: pointer; }
.solar-range__labels { display: flex; justify-content: space-between; margin-top: 6px; color: var(--color-muted); font-size: .78rem; }
.solar-simulator__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.solar-simulator__grid article { padding: 18px; border: 1px solid rgba(32,35,39,.1); border-radius: 16px; background: rgba(255,255,255,.82); }
.solar-simulator__grid span { display: block; margin-bottom: 7px; color: var(--color-muted); font-size: .84rem; }
.solar-simulator__grid strong { font-size: clamp(1.05rem, 2.3vw, 1.35rem); }
.solar-simulator__saving { border-color: rgba(246,201,0,.75) !important; }
.solar-simulator__note { margin: 14px 0 0; color: var(--color-muted); font-size: .8rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 680px) {
    .solar-simulator__heading { align-items: center; }
    .solar-simulator__grid { grid-template-columns: 1fr; }
}
@media print { .solar-range { display: none; } }


/* v1.2 · Simulador de potencia de carga */
.charger-simulator {
    margin: 28px 0;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-large, 24px);
    background: #f7f8f9;
}
.charger-simulator__heading { display:flex; align-items:flex-start; justify-content:space-between; gap:18px; }
.charger-simulator__heading h2 { margin:4px 0 0; font-size:clamp(1.35rem,3vw,2rem); }
.charger-simulator__heading > strong { min-width:82px; padding:10px 13px; border-radius:999px; background:#202327; color:#ffffff; text-align:center; }
.charger-options { display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin:22px 0; }
.charger-option { min-height:48px; border:1px solid var(--color-border); border-radius:12px; background:#fff; color:var(--color-text); font:inherit; font-weight:750; cursor:pointer; }
.charger-option:hover, .charger-option:focus-visible { border-color:#d4ad00; outline:3px solid rgba(246,201,0,.18); }
.charger-option--selected { background:#f6c900; border-color:#d4ad00; color:#17191d; }
.charger-simulator__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.charger-simulator__grid article { padding:18px; border:1px solid var(--color-border); border-radius:16px; background:#fff; }
.charger-simulator__grid span { display:block; margin-bottom:7px; color:var(--color-muted); font-size:.84rem; }
.charger-simulator__grid strong { font-size:clamp(1.25rem,3vw,1.7rem); }
.charger-simulator__note { margin:14px 0 0; color:var(--color-muted); font-size:.8rem; }
@media (max-width:680px) {
    .charger-options { grid-template-columns:1fr 1fr; }
    .charger-simulator__grid { grid-template-columns:1fr; }
}
@media print { .charger-options { display:none; } }

/* v1.3 — experiencia premium y PWA */
.progress-stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:0 0 28px}.progress-step{position:relative;display:grid;justify-items:center;gap:7px;color:var(--color-muted);font-weight:700}.progress-step:not(:last-child)::after{content:"";position:absolute;top:16px;left:62%;width:76%;height:2px;background:var(--color-border)}.progress-step i{position:relative;z-index:1;display:grid;width:34px;height:34px;place-items:center;border:2px solid var(--color-border);border-radius:50%;background:var(--color-surface);font-style:normal}.progress-step small{font-size:.72rem}.progress-step.is-current,.progress-step.is-complete{color:var(--color-text)}.progress-step.is-current i,.progress-step.is-complete i{border-color:var(--color-brand);background:var(--color-brand)}.progress-step.is-complete:not(:last-child)::after{background:var(--color-brand)}
.results-dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.results-dashboard article{display:grid;gap:7px;padding:18px;border:1px solid var(--color-border);border-radius:16px;background:linear-gradient(180deg,#fff,#fafbfc)}.results-dashboard span,.results-dashboard small{color:var(--color-muted)}.results-dashboard strong{font-size:1.45rem;letter-spacing:-.035em}.results-dashboard small{font-size:.75rem}.executive-summary{display:grid;grid-template-columns:minmax(180px,.7fr) 1.3fr;gap:26px;align-items:center;margin:22px 0;padding:24px;border-radius:20px;background:#202327;color:#fff}.executive-summary h2{font-size:1.35rem}.executive-summary p{line-height:1.7;color:rgba(255,255,255,.8)}.executive-summary strong{color:#fff}.saving-badge--excellent{background:#dff6e7;color:#176d3b}.saving-badge--good{background:#fff3c4;color:#745b00}.saving-badge--moderate{background:#eef1f4;color:#4b535d}.install-app-button{width:100%;margin:18px 0 0;padding:14px 18px;border:1px solid var(--color-dark);border-radius:12px;background:transparent;color:var(--color-dark);font-weight:800;cursor:pointer}.install-app-button:hover{background:var(--color-dark);color:#fff}
body[data-screen]{animation:screen-in .32s ease both}@keyframes screen-in{from{opacity:.55}to{opacity:1}}
@media(max-width:760px){.results-dashboard{grid-template-columns:repeat(2,1fr)}.executive-summary{grid-template-columns:1fr}.progress-step small{display:none}.progress-stepper{margin-bottom:20px}}
@media(max-width:430px){.results-dashboard{grid-template-columns:1fr 1fr}.results-dashboard article{padding:14px}.results-dashboard strong{font-size:1.15rem}}

/* v1.4 · asesor inteligente y proyección */
.advisor-panel,
.savings-chart {
    margin-top: 24px;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid #dfe3e8;
    border-radius: 28px;
    background: linear-gradient(145deg, #ffffff, #f7f8f9);
}
.advisor-panel__heading,
.savings-chart .section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}
.advisor-panel h2,
.savings-chart h2 { margin: 4px 0 0; font-size: clamp(1.35rem, 3vw, 2rem); }
.fit-score {
    flex: 0 0 auto;
    width: 84px;
    height: 84px;
    display: grid;
    place-content: center;
    text-align: center;
    border-radius: 50%;
    color: #17191d;
    background: conic-gradient(#f6c900 calc(var(--score, 100) * 1%), #e8ebee 0);
    box-shadow: inset 0 0 0 8px #fff;
}
.fit-score span { font-size: 1.55rem; font-weight: 900; line-height: 1; }
.fit-score small { font-size: .68rem; color: #66707b; }
.fit-label { margin: 8px 0 20px; font-weight: 800; color: #424a54; }
.smart-insights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.smart-insights article { display: flex; gap: 13px; padding: 17px; border-radius: 18px; background: #fff; border: 1px solid #e6e9ec; }
.smart-insights article > span { display: grid; place-items: center; flex: 0 0 36px; height: 36px; border-radius: 12px; background: #fff5c2; font-weight: 900; }
.smart-insights h3 { margin: 0 0 5px; font-size: 1rem; }
.smart-insights p { margin: 0; color: #626c77; line-height: 1.5; font-size: .92rem; }
.savings-chart__plot { height: 260px; margin-top: 28px; padding: 18px 8px 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(8px, 2vw, 20px); align-items: end; border-bottom: 1px solid #cfd5db; }
.savings-chart__column { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 8px; min-width: 0; }
.savings-chart__bar { width: min(64px, 75%); min-height: 8px; border-radius: 12px 12px 3px 3px; background: linear-gradient(180deg, #f6c900, #d9ad00); box-shadow: 0 8px 20px rgba(207, 166, 0, .18); }
.savings-chart__value { font-size: clamp(.7rem, 1.6vw, .88rem); font-weight: 800; white-space: nowrap; }
.savings-chart__column small { font-size: .76rem; color: #69737e; }
.savings-chart > p { margin: 14px 0 0; color: #717b86; font-size: .82rem; }
@media (max-width: 700px) {
    .smart-insights { grid-template-columns: 1fr; }
    .advisor-panel__heading { align-items: center; }
    .fit-score { width: 72px; height: 72px; }
    .savings-chart__value { writing-mode: vertical-rl; transform: rotate(180deg); }
    .savings-chart__plot { height: 235px; }
}
@media (prefers-color-scheme: dark) {
    body { background: #111317; color: #f4f6f8; }
    .welcome-card, .advisor-panel, .savings-chart { background: #1b1e23; border-color: #30353c; }
    .smart-insights article { background: #22262c; border-color: #353b43; }
    .smart-insights p, .fit-label, .savings-chart > p { color: #b9c0c8; }
    .fit-score { box-shadow: inset 0 0 0 8px #1b1e23; color: #ffffff; }
    .fit-score small { color: #abb3bc; }
}
@media print {
    .advisor-panel, .savings-chart { break-inside: avoid; box-shadow: none; }
    .smart-insights { grid-template-columns: 1fr 1fr; }
}


/* v1.5 · dimensionamiento solar e informe profesional */
.solar-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.solar-settings label{display:grid;gap:8px;color:#555f6a;font-size:.82rem;font-weight:800}.solar-settings input,.solar-settings select{width:100%;padding:12px 14px;border:1px solid #d8dde3;border-radius:12px;background:#fff;color:#202327;font:inherit}.solar-simulator__grid--extended{grid-template-columns:repeat(3,minmax(0,1fr))}.result-actions--six{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:720px){.solar-simulator__grid--extended{grid-template-columns:repeat(2,minmax(0,1fr))}.result-actions--six{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.solar-settings,.solar-simulator__grid--extended{grid-template-columns:1fr}.result-actions--six{grid-template-columns:1fr}}@media(prefers-color-scheme:dark){.solar-settings input,.solar-settings select{background:#22262c;border-color:#3a414a;color:#f2f4f6}}

/* v1.6 · contraste, accesibilidad y actualización visible */
.update-toast {
    position: fixed;
    z-index: 9999;
    right: 18px;
    bottom: 18px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px;
    align-items: center;
    width: min(420px, calc(100vw - 36px));
    padding: 16px 18px;
    color:#ffffff;
    background:#202327;
    border: 1px solid #3b4149;
    border-radius: 16px;
    box-shadow: 0 20px 55px rgba(0,0,0,.28);
}
.update-toast strong,
.update-toast small { display:block; }
.update-toast small { margin-top:4px; color:#c8ced5; line-height:1.35; }
.update-toast button {
    padding: 10px 14px;
    color:#17191d;
    background:var(--color-brand);
    border:0;
    border-radius:10px;
    font-weight:850;
    cursor:pointer;
}
.update-toast button:hover { background:#ffe15a; }

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #111317;
        --color-surface: #1b1e23;
        --color-text: #f4f6f8;
        --color-muted: #c0c7cf;
        --color-border: #3b424b;
        --color-dark: #f2f4f6;
        --shadow-card: 0 24px 70px rgba(0,0,0,.35);
    }

    html, body { background:#111317; color:var(--color-text); }
    .welcome-card,
    .seo-content,
    .seo-content__inner,
    .app-card,
    .results-card { color:var(--color-text); }

    .intro,
    .choice-card small,
    .option-card small,
    .field-help,
    .result-note,
    .data-freshness,
    .version-label,
    .trust-strip,
    .share-status,
    .charger-simulator__note,
    .solar-settings label,
    .results-dashboard span,
    .results-dashboard small,
    .savings-chart__column small,
    .savings-chart > p,
    .smart-insights p,
    .fit-label { color:#c0c7cf; }

    .data-freshness { color:#aeb7c1; }
    .version-label { color:#9fa9b4; }
    .trust-strip span { color:#b7c0c9; }

    .choice-card,
    .option-card,
    .results-dashboard article,
    .charger-option,
    .charger-simulator__grid article,
    .solar-simulator__grid article,
    .custom-values,
    .custom-values input,
    .custom-values select,
    .solar-settings input,
    .solar-settings select,
    .faq-list details,
    .seo-benefits article {
        color:var(--color-text);
        background:#22262c;
        border-color:#3c434c;
    }

    .choice-card__icon,
    .option-card__icon { background:#2b3037; }

    .choice-card--selected,
    .option-card--selected {
        color:#ffffff;
        background:#343116;
        border-color:#d4ad00;
    }

    .results-dashboard article { background:linear-gradient(180deg,#24282e,#1f2328); }
    .advisor-panel,
    .savings-chart,
    .charger-simulator,
    .solar-simulator { background:linear-gradient(145deg,#1b1e23,#181b20); border-color:#373e47; }
    .smart-insights article { background:#24282e; border-color:#3a424b; }
    .smart-insights h3,
    .advisor-panel h2,
    .savings-chart h2,
    .charger-simulator h2,
    .solar-simulator h2 { color:#f4f6f8; }
    .savings-chart__plot { border-color:#4a525c; }
    .savings-chart__value { color:#ffffff; }
    .fit-score { box-shadow:inset 0 0 0 8px #1b1e23; color:#ffffff; }
    .fit-score small { color:#c1c8cf; }

    .result-note {
        color:#313944;
        background:#f2f4f7;
        border:1px solid #ffffff;
    }

    .install-app-button {
        color:#f4f6f8;
        border-color:#d6dbe0;
    }
    .install-app-button:hover { color:#17191d; background:#f4f6f8; }

    .secondary-button { color:#f4f6f8; background:#262b31; border-color:#424a54; }
    .secondary-button:hover { background:#30363e; border-color:#5a6470; }
    .service-cta { background:#292e35; border-color:#424a54; }
    .service-cta p { color:#c4cbd2; }

    input::placeholder { color:#929da8; opacity:1; }
    summary { color:#f4f6f8; }
}

@media (max-width: 520px) {
    .update-toast { grid-template-columns:1fr; }
    .update-toast button { width:100%; }
    .data-freshness, .version-label { font-size:.78rem; line-height:1.5; }
}

/* v1.6.2 · corrección definitiva de contraste y caché */
@media (prefers-color-scheme: dark) {
    /* Superficies que en v1.6 podían conservar fondo claro con texto claro */
    .seo-content__inner,
    .cost-comparison,
    .result-card,
    .unit-costs > div,
    .insight-card,
    .assumptions-grid p,
    .recommendation-card,
    .custom-values-card,
    .saving-summary,
    .annual-saving {
        background: #22262c;
        color:#f4f6f8;
        border-color:#3c434c;
    }

    .seo-content h2,
    .seo-benefits strong,
    .faq-list summary,
    .cost-comparison h2,
    .comparison-label,
    .comparison-label strong,
    .result-card strong,
    .unit-costs strong,
    .insight-card strong,
    .assumptions-grid strong,
    .recommendation-card h2,
    .recommendation-card small,
    .saving-summary strong,
    .annual-saving strong {
        color:#f4f6f8;
    }

    .seo-content__inner > p:not(.section-kicker),
    .seo-benefits span,
    .faq-list p,
    .section-heading > span,
    .result-card span,
    .unit-costs span,
    .insight-card p,
    .assumptions-grid span,
    .recommendation-card__eyebrow,
    .recommendation-card p:not(.recommendation-card__eyebrow),
    .saving-summary span,
    .annual-saving span {
        color: #c4cbd3;
    }

    .seo-benefits article,
    .faq-list details {
        background: #272c33;
        border-color: #414852;
    }

    .comparison-track { background: #454c55; }
    .comparison-fill--fuel { background: #f4f6f8; }

    .unit-costs__saving,
    .result-card--highlight,
    .saving-summary,
    .recommendation-card {
        background: #3a3417 !important;
        border-color: #d8b600 !important;
    }

    .unit-costs__saving strong,
    .unit-costs__saving span,
    .result-card--highlight strong,
    .result-card--highlight span,
    .saving-summary strong,
    .saving-summary span,
    .recommendation-card h2,
    .recommendation-card p,
    .recommendation-card small,
    .recommendation-card__eyebrow {
        color: #fff4bd !important;
    }

    .hero-result {
        background: #24282e;
        color:#f4f6f8;
        border:1px solid #3c434c;
    }

    .hero-result span,
    .hero-result small { color: #c8ced5; }

    .trust-strip,
    .trust-strip span,
    .data-freshness,
    .version-label {
        color: #b8c1ca !important;
    }

    .section-kicker { color: #c7ced6; }
}

/* v1.6.2 · corrección de cabecera en modo oscuro */
@media (prefers-color-scheme: dark) {
    .brand {
        color:#ffffff;
        background:#202327;
        border-bottom: 1px solid #343a42;
    }

    .brand__name {
        color:#ffffff;
    }

    .brand__tagline {
        color: #d3d8de;
    }

    .brand__mark {
        filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .45));
    }
}

.eg-card{border:1px solid #ddd;padding:16px;border-radius:12px;margin-top:16px;background:#fff}


.eg-update-notice{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:9999;
  display:grid;
  gap:3px;
  max-width:340px;
  padding:14px 16px;
  border-radius:14px;
  background:#202327;
  color:#ffffff;
  box-shadow:0 14px 38px rgba(0,0,0,.28);
}
.eg-update-notice span{
  font-size:.84rem;
  color:rgba(255,255,255,.78);
}

/* v1.8.7 · Asesor EG integrado */
.installation-advisor{
  margin-top:24px;
  padding:24px;
  border:1px solid #dfe3e7;
  border-radius:18px;
  background:#fff;
  box-shadow:0 12px 32px rgba(21,27,34,.07);
}
.installation-advisor__header{
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:flex-start;
}
.installation-advisor__header h2{margin:.2rem 0 .55rem}
.installation-advisor__header p{margin:0;max-width:720px}
.readiness-meter{
  min-width:130px;
  display:grid;
  place-items:center;
  padding:14px;
  border-radius:14px;
  background:linear-gradient(180deg,#f7f8f9,#eef1f3);
  text-align:center;
}
.readiness-meter strong{font-size:1.65rem}
.readiness-meter span{font-size:.76rem;color:#5f6872}
.installation-advisor__grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:20px;
}
.installation-advisor__grid article{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px;
  border:1px solid #e7eaed;
  border-radius:13px;
  background:#fafbfc;
}
.installation-advisor__grid article>span{font-size:1.25rem}
.installation-advisor__grid small{
  display:block;
  margin-bottom:3px;
  color:#68717b;
}
.installation-advisor__grid strong{
  display:block;
  font-size:.94rem;
  line-height:1.35;
}
.installation-advisor__note{
  margin:16px 0 0;
  padding:12px 14px;
  border-left:4px solid #e4c400;
  background:#fffbea;
  border-radius:8px;
}
.installation-advisor__button{margin-top:16px}
.complexity--low{color:#177245}
.complexity--medium{color:#9a6800}
.complexity--high{color:#ad2e24}

@media (max-width:680px){
  .installation-advisor{padding:18px}
  .installation-advisor__header{display:grid}
  .readiness-meter{width:100%}
  .installation-advisor__grid{grid-template-columns:1fr}
}

@media (prefers-color-scheme:dark){
  .installation-advisor{
    background:#1b1e23;
    border-color:#30353c;
  }
  .readiness-meter,
  .installation-advisor__grid article{
    background:#24282e;
    border-color:#363c44;
  }
  .readiness-meter span,
  .installation-advisor__grid small{color:#bdc5ce}
  .installation-advisor__note{
    background:#302c18;
    color:#f4f6f8;
  }
}

/* v1.8.7 · Puesta a tierra profesional */
.installation-advisor__grid .grounding-card{
  border-color:#2f8f51;
  background:linear-gradient(180deg,rgba(47,143,81,.12),rgba(47,143,81,.05));
}
.installation-advisor__grid .grounding-card>span{
  color:#43b96a;
  font-size:1.65rem;
  line-height:1;
}
.installation-advisor__grid .grounding-card small{
  color:#43b96a;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.installation-advisor__grid .grounding-card em{
  display:block;
  margin-top:5px;
  color:#68717b;
  font-size:.84rem;
  font-style:normal;
  line-height:1.4;
}
@media (prefers-color-scheme:dark){
  .installation-advisor__grid .grounding-card{
    border-color:#3aa85f;
    background:linear-gradient(180deg,rgba(58,168,95,.14),rgba(58,168,95,.06));
  }
  .installation-advisor__grid .grounding-card em{
    color:#c3cbd3;
  }
}

.installation-advisor__grid .grounding-card strong{
 color:#39b86a;
}

.installation-advisor__grid .grounding-card{min-height:110px;}

.installation-advisor__grid article{transition:transform .2s ease;}
.installation-advisor__grid article:hover{transform:translateY(-2px);}

.quick-diagnostic{
margin:18px 0;
padding:16px;
border-radius:14px;
border:1px solid #dfe5ea;
background:#fafbfc;
}
.quick-diagnostic h3{margin:0 0 8px}
.quick-diagnostic ul{
display:grid;
grid-template-columns:repeat(2,minmax(0,1fr));
gap:6px 20px;
list-style:none;
padding:0;
margin:0 0 10px;
}
.quick-diagnostic__hint{
margin:0;
font-size:.9rem;
opacity:.78;
font-style:italic;
}
@media(max-width:680px){
.quick-diagnostic ul{grid-template-columns:1fr;}
}

/* v1.9.2 · Corrección visual del diagnóstico rápido */
.quick-diagnostic{
  color:#20252b;
  background:#f7f8fa;
  border-color:#d7dde3;
  box-shadow:0 8px 22px rgba(15,23,42,.06);
}
.quick-diagnostic h3{
  color:#161a1f;
  font-weight:800;
}
.quick-diagnostic li{
  color:#313841;
  font-weight:650;
}
.quick-diagnostic__hint{
  color:#66707b;
  opacity:1;
}

@media (prefers-color-scheme:dark){
  .quick-diagnostic{
    color:#eef2f5;
    background:#22272d;
    border-color:#39414a;
    box-shadow:none;
  }
  .quick-diagnostic h3{
    color:#f4f6f8;
  }
  .quick-diagnostic li{
    color:#e4e9ee;
  }
  .quick-diagnostic__hint{
    color:#aeb7c0;
  }
}

.quick-diagnostic li{
  display:flex;
  align-items:center;
  gap:8px;
}
.diag-dot{
  width:14px;
  height:14px;
  flex:0 0 14px;
  border-radius:50%;
  border:1px solid rgba(0,0,0,.18);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.45);
}
.diag-dot--ok{
  background:#28c840;
}
.diag-dot--review{
  background:#ffc928;
}
@media (prefers-color-scheme:dark){
  .diag-dot{
    border-color:rgba(255,255,255,.18);
  }
}

/* v1.9.3 · Pulido general */
.quick-diagnostic{
  padding:15px 16px;
}
.quick-diagnostic__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.quick-diagnostic__header h3{
  margin:0;
}
.quick-diagnostic__header span{
  padding:4px 8px;
  border-radius:999px;
  background:#e8edf2;
  color:#4b5560;
  font-size:.72rem;
  font-weight:750;
  white-space:nowrap;
}
.quick-diagnostic ul{
  margin-bottom:8px;
}
.quick-diagnostic li{
  min-height:26px;
}
.installation-advisor__button{
  min-height:54px;
  font-weight:800;
}
.installation-advisor__button:focus-visible,
.quick-diagnostic:focus-within{
  outline:3px solid rgba(255,204,0,.38);
  outline-offset:3px;
}
.vehicle-search input,
input[type="search"]{
  min-height:48px;
  border-radius:12px;
}
.vehicle-search input:focus,
input[type="search"]:focus{
  outline:3px solid rgba(255,204,0,.28);
  outline-offset:2px;
}
@media (prefers-color-scheme:dark){
  .quick-diagnostic__header span{
    background:#313840;
    color:#d9e0e6;
  }
}
@media (max-width:520px){
  .quick-diagnostic__header{
    align-items:flex-start;
  }
  .quick-diagnostic__header span{
    font-size:.68rem;
  }
}

/* v1.9.4 · Pulido responsive y carga */
.app-loading-overlay{
  position:fixed;
  inset:0;
  z-index:10000;
  display:grid;
  place-items:center;
  padding:20px;
  background:rgba(13,17,22,.42);
  backdrop-filter:blur(5px);
  opacity:1;
  transition:opacity .18s ease;
}
.app-loading-overlay--hide{
  opacity:0;
}
.app-loading-card{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:220px;
  padding:16px 18px;
  border-radius:16px;
  background:#ffffff;
  color:#1e242a;
  border:1px solid #e2e7eb;
  box-shadow:0 18px 48px rgba(0,0,0,.18);
}
.app-loading-spinner{
  width:22px;
  height:22px;
  flex:0 0 22px;
  border:3px solid #d7dde3;
  border-top-color:#f6c900;
  border-radius:50%;
  animation:eg-spin .75s linear infinite;
}
@keyframes eg-spin{
  to{transform:rotate(360deg)}
}

.installation-advisor__grid article{
  min-width:0;
}
.installation-advisor__grid strong,
.installation-advisor__grid em{
  overflow-wrap:anywhere;
}
.quick-diagnostic{
  overflow:hidden;
}
.quick-diagnostic li{
  line-height:1.35;
}
.installation-advisor__button{
  width:100%;
  justify-content:center;
}

@media (max-width:760px){
  .installation-advisor__header{
    gap:16px;
  }
  .installation-advisor__grid{
    gap:10px;
  }
  .installation-advisor__grid article{
    padding:13px;
  }
}

@media (max-width:520px){
  .installation-advisor{
    margin-top:18px;
    padding:16px;
    border-radius:15px;
  }
  .installation-advisor__header h2{
    font-size:1.25rem;
    line-height:1.2;
  }
  .installation-advisor__header p{
    font-size:.92rem;
  }
  .installation-advisor__grid{
    grid-template-columns:1fr;
  }
  .installation-advisor__grid article{
    min-height:auto;
  }
  .quick-diagnostic{
    padding:14px;
  }
  .quick-diagnostic__header{
    display:grid;
    gap:7px;
  }
  .quick-diagnostic__header span{
    width:max-content;
  }
  .app-loading-card{
    width:100%;
    max-width:320px;
  }
}

@media (prefers-color-scheme:dark){
  .app-loading-card{
    background:#20252b;
    color:#f4f6f8;
    border-color:#343b43;
  }
  .app-loading-spinner{
    border-color:#3a424b;
    border-top-color:#f6c900;
  }
}

/* v1.9.5 · Rediseño visible y compacto del Asesor EG */
.installation-advisor--compact{
  padding:22px;
  background:
    radial-gradient(circle at top right, rgba(255,205,0,.09), transparent 34%),
    #ffffff;
}
.advisor-topline{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:22px;
}
.advisor-topline h2{
  margin:.2rem 0 .45rem;
  font-size:1.55rem;
}
.advisor-topline p{
  margin:0;
}
.readiness-meter--ring{
  position:relative;
  width:104px;
  min-width:104px;
  aspect-ratio:1;
  padding:0;
  border-radius:50%;
  background:
    radial-gradient(circle closest-side, #fff 72%, transparent 74% 99%),
    conic-gradient(#f2c500 calc(var(--readiness) * 1%), #e7ebee 0);
}
.readiness-meter--ring strong{
  font-size:1.35rem;
}
.readiness-meter--ring span{
  font-size:.69rem;
}
.advisor-summary{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin:20px 0 14px;
}
.advisor-summary__card{
  min-width:0;
  padding:17px;
  border:1px solid #e2e6ea;
  border-radius:16px;
  background:#f8f9fa;
}
.advisor-summary__card--safe{
  border-color:#58a86d;
  background:linear-gradient(180deg,rgba(52,168,83,.12),rgba(52,168,83,.04));
}
.advisor-summary__icon{
  display:block;
  margin-bottom:10px;
  font-size:1.5rem;
}
.advisor-summary__card small{
  display:block;
  margin-bottom:5px;
  color:#66707a;
}
.advisor-summary__card strong{
  display:block;
  line-height:1.35;
  overflow-wrap:anywhere;
}
.quick-diagnostic--strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin:0 0 15px;
  padding:12px;
}
.quick-diagnostic--strip>div{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
  color:#313841;
  font-size:.87rem;
}
.advisor-details{
  margin-top:8px;
  border:1px solid #dde2e7;
  border-radius:14px;
  background:#fafbfc;
  overflow:hidden;
}
.advisor-details summary{
  cursor:pointer;
  padding:14px 16px;
  color:#272d33;
  font-weight:800;
  list-style:none;
}
.advisor-details summary::-webkit-details-marker{
  display:none;
}
.advisor-details summary::after{
  content:"+";
  float:right;
  color:#8c7500;
  font-size:1.2rem;
}
.advisor-details[open] summary::after{
  content:"−";
}
.advisor-details .installation-advisor__grid{
  margin:0;
  padding:0 14px 14px;
}
.advisor-details .installation-advisor__note{
  margin:0 14px 14px;
}
.installation-advisor--compact .installation-advisor__button{
  margin-top:16px;
}

@media (max-width:760px){
  .advisor-summary{
    grid-template-columns:1fr;
  }
  .quick-diagnostic--strip{
    grid-template-columns:1fr;
  }
}
@media (max-width:520px){
  .advisor-topline{
    display:grid;
  }
  .readiness-meter--ring{
    width:92px;
    min-width:92px;
  }
}
@media (prefers-color-scheme:dark){
  .installation-advisor--compact{
    background:
      radial-gradient(circle at top right, rgba(255,205,0,.08), transparent 34%),
      #1b1e23;
  }
  .readiness-meter--ring{
    background:
      radial-gradient(circle closest-side, #1b1e23 72%, transparent 74% 99%),
      conic-gradient(#f2c500 calc(var(--readiness) * 1%), #343a41 0);
  }
  .advisor-summary__card{
    background:#24282e;
    border-color:#363c44;
  }
  .advisor-summary__card--safe{
    border-color:#43a960;
    background:linear-gradient(180deg,rgba(67,169,96,.15),rgba(67,169,96,.06));
  }
  .advisor-summary__card small{
    color:#b7c0c9;
  }
  .quick-diagnostic--strip>div{
    color:#e5e9ed;
  }
  .advisor-details{
    background:#22272d;
    border-color:#39414a;
  }
  .advisor-details summary{
    color:#f4f6f8;
  }
}

/* v1.9.6 · Catálogo Ecuador */
.catalog-heading{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  margin-bottom:20px;
}
.catalog-heading .screen-title{
  margin-bottom:7px;
}
.catalog-heading .intro{
  margin-bottom:0;
}
.catalog-market-badge{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:11px 13px;
  border:1px solid #dce3e8;
  border-radius:14px;
  background:linear-gradient(145deg,#fff,#f5f7f8);
  box-shadow:0 8px 20px rgba(25,34,43,.07);
}
.catalog-market-badge>span{
  font-size:1.55rem;
}
.catalog-market-badge strong,
.catalog-market-badge small{
  display:block;
}
.catalog-market-badge strong{
  color:#232a31;
  font-size:.9rem;
}
.catalog-market-badge small{
  margin-top:2px;
  color:#69737d;
  font-size:.7rem;
}
.catalog-note{
  margin:3px 0 15px;
  color:#6b747d;
  font-size:.76rem;
  line-height:1.45;
}
.search-result{
  transition:transform .16s ease, background .16s ease;
}
.search-result:hover{
  transform:translateX(3px);
}
@media(max-width:650px){
  .catalog-heading{
    display:grid;
  }
  .catalog-market-badge{
    width:max-content;
  }
}
@media(prefers-color-scheme:dark){
  .catalog-market-badge{
    border-color:#39414a;
    background:linear-gradient(145deg,#252a30,#1f2429);
  }
  .catalog-market-badge strong{
    color:#f4f6f8;
  }
  .catalog-market-badge small,
  .catalog-note{
    color:#b4bdc6;
  }
}

/* v1.9.7 · Corrección del catálogo */
.catalog-note-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:3px 0 15px;
}
.catalog-note-row .catalog-note{margin:0}
.catalog-refresh-button{
  flex:0 0 auto;
  padding:7px 10px;
  border:1px solid #d5dce2;
  border-radius:9px;
  background:#f7f9fa;
  color:#3b4650;
  font:inherit;
  font-size:.73rem;
  font-weight:750;
  cursor:pointer;
}
.catalog-refresh-button:disabled{opacity:.65;cursor:wait}
@media(max-width:580px){
  .catalog-note-row{display:grid}
  .catalog-refresh-button{width:max-content}
}
@media(prefers-color-scheme:dark){
  .catalog-refresh-button{
    border-color:#3d4650;
    background:#252b31;
    color:#e7ebef;
  }
}

/* v1.9.8 · Marcas de Ecuador visibles y catálogo integrado */
.brand-browser{
  margin:18px 0;
  padding:16px;
  border:1px solid #dde4e9;
  border-radius:16px;
  background:linear-gradient(145deg,#fafcfd,#f3f6f8);
}
.brand-browser__heading{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.brand-browser__heading strong{
  color:#252d34;
}
.brand-browser__heading small{
  color:#6c7781;
}
.brand-quick-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.brand-chip{
  padding:9px 12px;
  border:1px solid #d4dce2;
  border-radius:999px;
  background:#fff;
  color:#333c44;
  font:inherit;
  font-size:.82rem;
  font-weight:750;
  cursor:pointer;
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
}
.brand-chip:hover{
  transform:translateY(-1px);
  border-color:#c4a300;
  background:#fffbed;
}
.brand-chip[aria-pressed="true"]{
  border-color:#e0b900;
  background:#ffec83;
  color:#242424;
}
@media(max-width:580px){
  .brand-browser__heading{
    display:grid;
    gap:3px;
  }
  .brand-chip{
    padding:8px 10px;
    font-size:.78rem;
  }
}
@media(prefers-color-scheme:dark){
  .brand-browser{
    border-color:#39424b;
    background:linear-gradient(145deg,#252b31,#20252a);
  }
  .brand-browser__heading strong{color:#f2f5f7}
  .brand-browser__heading small{color:#b3bdc6}
  .brand-chip{
    border-color:#414a54;
    background:#2a3036;
    color:#edf1f4;
  }
  .brand-chip:hover{
    border-color:#d4b300;
    background:#373426;
  }
  .brand-chip[aria-pressed="true"]{
    background:#d8b900;
    color:#181818;
  }
}

/* v1.9.9 · Corrección del desplazamiento en listas de marcas y modelos */
.search-field{
  position:relative;
  overflow:visible !important;
}
.search-results,
#brandResults,
#modelResults{
  position:absolute;
  left:0;
  right:0;
  z-index:200;
  max-height:240px !important;
  min-height:0;
  overflow-y:auto !important;
  overflow-x:hidden;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-gutter:stable;
  touch-action:pan-y;
}
#brandResults:not(:empty),
#modelResults:not(:empty){
  display:block;
}
.search-results > *,
#brandResults > *,
#modelResults > *{
  flex:0 0 auto;
}
.search-results::-webkit-scrollbar,
#brandResults::-webkit-scrollbar,
#modelResults::-webkit-scrollbar{
  width:10px;
}
.search-results::-webkit-scrollbar-track,
#brandResults::-webkit-scrollbar-track,
#modelResults::-webkit-scrollbar-track{
  background:transparent;
}
.search-results::-webkit-scrollbar-thumb,
#brandResults::-webkit-scrollbar-thumb,
#modelResults::-webkit-scrollbar-thumb{
  border:2px solid transparent;
  border-radius:999px;
  background:#9aa3ac;
  background-clip:padding-box;
}
.search-results::-webkit-scrollbar-thumb:hover,
#brandResults::-webkit-scrollbar-thumb:hover,
#modelResults::-webkit-scrollbar-thumb:hover{
  background:#747e88;
  background-clip:padding-box;
}
.vehicle-screen,
.screen,
.card,
.form-card,
main,
main > section{
  overflow:visible;
}
@media(max-width:580px){
  .search-results,
  #brandResults,
  #modelResults{
    max-height:210px !important;
  }
}
@media(prefers-color-scheme:dark){
  .search-results::-webkit-scrollbar-thumb,
  #brandResults::-webkit-scrollbar-thumb,
  #modelResults::-webkit-scrollbar-thumb{
    background:#6f7882;
    background-clip:padding-box;
  }
}

/* v1.10.0 · Un solo desplegable visible */
#brandResults,
#modelResults{
  display:none;
}
#brandResults.is-open:not(:empty),
#modelResults.is-open:not(:empty){
  display:block !important;
}
#brandResults:empty,
#modelResults:empty,
#brandResults[hidden],
#modelResults[hidden]{
  display:none !important;
}
.search-field{
  isolation:isolate;
}
.search-field:focus-within{
  z-index:220;
}
#brandResults{
  z-index:230;
}
#modelResults{
  z-index:230;
}
.form-group.search-field + .form-group.search-field{
  margin-top:18px;
}

/* v1.10.1 · Corrección definitiva: listas dentro del flujo */
.form-group.search-field{
  position:relative;
  isolation:auto;
  z-index:auto;
  overflow:visible;
}

.form-group.search-field:focus-within{
  z-index:auto;
}

#brandResults,
#modelResults,
.search-results{
  position:relative !important;
  inset:auto !important;
  left:auto !important;
  right:auto !important;
  top:auto !important;
  z-index:auto !important;
  width:100%;
  max-height:220px !important;
  margin-top:7px;
  border-radius:12px;
  overflow-y:auto !important;
  overflow-x:hidden;
}

#brandResults.is-open:not(:empty),
#modelResults.is-open:not(:empty){
  display:block !important;
}

#brandResults:not(.is-open),
#modelResults:not(.is-open),
#brandResults[hidden],
#modelResults[hidden],
#brandResults:empty,
#modelResults:empty{
  display:none !important;
}

#vehicleContinueButton{
  position:relative;
  z-index:auto !important;
  clear:both;
  margin-top:24px;
}

.catalog-note-row{
  position:relative;
  z-index:auto;
}

.search-result{
  position:relative;
  z-index:auto;
}

@media(max-width:580px){
  #brandResults,
  #modelResults,
  .search-results{
    max-height:190px !important;
  }
}

/* v1.10.2 · Lista adaptable al espacio visible */
#brandResults,
#modelResults,
.search-results{
  max-height:min(240px, 46vh) !important;
  padding-bottom:10px;
  scroll-padding-top:8px;
  scroll-padding-bottom:18px;
  overscroll-behavior:auto;
  scrollbar-gutter:stable;
}

#brandResults .search-result:last-child,
#modelResults .search-result:last-child,
.search-results .search-result:last-child{
  margin-bottom:6px;
}

#brandResults.is-open,
#modelResults.is-open{
  margin-bottom:14px;
}

@media(max-height:650px){
  #brandResults,
  #modelResults,
  .search-results{
    max-height:34vh !important;
  }
}

@media(max-height:480px){
  #brandResults,
  #modelResults,
  .search-results{
    max-height:28vh !important;
  }
}

/* v1.11.0 · Fase 1: pulido visual y microinteracciones */
:root{
  --eg-motion-fast:160ms;
  --eg-motion-normal:240ms;
  --eg-radius-lg:18px;
  --eg-radius-md:13px;
}

html{
  scroll-behavior:smooth;
}

button,
input,
select,
.search-result,
.brand-chip,
.installation-advisor,
.quick-diagnostic,
.advisor-summary__card{
  transition:
    transform var(--eg-motion-fast) ease,
    border-color var(--eg-motion-fast) ease,
    background var(--eg-motion-fast) ease,
    box-shadow var(--eg-motion-fast) ease,
    opacity var(--eg-motion-fast) ease;
}

.screen-enter{
  animation:eg-screen-enter var(--eg-motion-normal) ease both;
}

@keyframes eg-screen-enter{
  from{
    opacity:0;
    transform:translateY(7px);
  }
  to{
    opacity:1;
    transform:none;
  }
}

.brand-browser{
  border-radius:var(--eg-radius-lg);
  box-shadow:0 10px 28px rgba(21,28,35,.06);
}

.brand-quick-list{
  gap:9px;
}

.brand-chip{
  min-height:38px;
  padding:8px 13px;
  border-radius:999px;
}

.brand-chip:hover{
  transform:translateY(-2px);
  box-shadow:0 7px 16px rgba(23,30,36,.10);
}

.brand-chip:active{
  transform:translateY(0) scale(.98);
}

.brand-chip[aria-pressed="true"]{
  box-shadow:0 0 0 3px rgba(226,190,0,.17);
}

.form-group.search-field input{
  box-shadow:0 0 0 0 transparent;
}

.form-group.search-field input:hover{
  border-color:#8e99a4;
}

.form-group.search-field input:focus{
  box-shadow:0 0 0 4px rgba(229,190,0,.15);
}

#brandResults,
#modelResults,
.search-results{
  border-radius:var(--eg-radius-md);
  box-shadow:0 14px 30px rgba(12,17,22,.12);
}

.search-result{
  display:flex;
  align-items:center;
  min-height:44px;
  border-radius:9px;
}

.search-result:hover{
  transform:translateX(4px);
}

.search-result.is-selected,
.search-result[aria-selected="true"]{
  background:rgba(231,193,0,.20);
  box-shadow:inset 3px 0 0 #d7b200;
}

.primary-button--continue{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:56px;
  border-radius:14px;
  letter-spacing:.01em;
}

.primary-button--continue:not(:disabled):hover{
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(218,181,0,.22);
}

.primary-button--continue:not(:disabled):active{
  transform:translateY(0) scale(.99);
}

.primary-button--continue:disabled{
  filter:saturate(.45);
  opacity:.55;
}

.advisor-summary__card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 24px rgba(18,25,32,.08);
}

.installation-advisor--compact{
  border-radius:20px;
}

.quick-diagnostic--strip{
  border-radius:14px;
}

@media(max-width:720px){
  .brand-browser{
    padding:14px;
  }

  .brand-quick-list{
    gap:7px;
  }

  .brand-chip{
    min-height:36px;
    padding:7px 11px;
  }

  .primary-button--continue{
    position:sticky;
    bottom:10px;
    z-index:20;
    box-shadow:0 10px 30px rgba(0,0,0,.18);
  }

  .primary-button--continue:disabled{
    position:relative;
    bottom:auto;
    box-shadow:none;
  }
}

@media(max-width:480px){
  .catalog-market-badge{
    width:100%;
  }

  .brand-chip{
    font-size:.76rem;
  }

  .advisor-summary__card{
    padding:15px;
  }

  .installation-advisor--compact{
    padding:15px;
  }
}

@media(prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    scroll-behavior:auto !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

@media(prefers-color-scheme:dark){
  .brand-browser{
    box-shadow:0 12px 30px rgba(0,0,0,.22);
  }

  #brandResults,
  #modelResults,
  .search-results{
    box-shadow:0 16px 34px rgba(0,0,0,.30);
  }

  .search-result.is-selected,
  .search-result[aria-selected="true"]{
    background:rgba(219,183,0,.24);
  }
}

/* v1.11.1 · Tarjeta del vehículo seleccionado */
.selected-vehicle-card{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  margin:18px 0 14px;
  padding:17px;
  border:1px solid #dce3e8;
  border-radius:17px;
  background:
    linear-gradient(145deg,rgba(255,255,255,.98),rgba(246,248,249,.98));
  box-shadow:0 10px 26px rgba(18,25,32,.07);
  animation:eg-selected-card-in 220ms ease both;
}

@keyframes eg-selected-card-in{
  from{
    opacity:0;
    transform:translateY(8px) scale(.99);
  }
  to{
    opacity:1;
    transform:none;
  }
}

.selected-vehicle-card__brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}

.selected-vehicle-card__badge{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  flex:0 0 46px;
  border-radius:14px;
  background:linear-gradient(145deg,#f3c800,#d5ad00);
  color:#1f1f1f;
  font-size:.78rem;
  font-weight:900;
  letter-spacing:.06em;
  box-shadow:0 8px 16px rgba(218,180,0,.22);
}

.selected-vehicle-card small{
  display:block;
  margin-bottom:3px;
  color:#6a747e;
  font-size:.7rem;
}

.selected-vehicle-card h2{
  margin:0;
  color:#242c33;
  font-size:1.03rem;
  line-height:1.25;
  overflow-wrap:anywhere;
}

.selected-vehicle-card__specs{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:11px;
}

.selected-vehicle-card__specs>div{
  min-width:0;
  padding-left:11px;
  border-left:2px solid #e0e5e9;
}

.selected-vehicle-card__specs strong{
  display:block;
  color:#2d353c;
  font-size:.82rem;
  line-height:1.3;
  overflow-wrap:anywhere;
}

.selected-vehicle-card__change{
  padding:9px 11px;
  border:1px solid #d5dce1;
  border-radius:10px;
  background:#fff;
  color:#4a555f;
  font:inherit;
  font-size:.72rem;
  font-weight:800;
  cursor:pointer;
}

.selected-vehicle-card__change:hover{
  transform:translateY(-1px);
  border-color:#c6a700;
  background:#fff9dc;
}

.primary-button--continue.is-ready{
  animation:eg-ready-pulse 380ms ease both;
}

@keyframes eg-ready-pulse{
  0%{transform:scale(.985)}
  55%{transform:scale(1.015)}
  100%{transform:scale(1)}
}

@media(max-width:800px){
  .selected-vehicle-card{
    grid-template-columns:1fr;
  }

  .selected-vehicle-card__specs{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }

  .selected-vehicle-card__change{
    width:max-content;
  }
}

@media(max-width:520px){
  .selected-vehicle-card{
    padding:14px;
  }

  .selected-vehicle-card__specs{
    grid-template-columns:1fr;
    gap:8px;
  }

  .selected-vehicle-card__specs>div{
    padding:8px 0 0;
    border-left:0;
    border-top:1px solid #e0e5e9;
  }

  .selected-vehicle-card__change{
    width:100%;
    min-height:42px;
  }
}

@media(prefers-color-scheme:dark){
  .selected-vehicle-card{
    border-color:#3a434c;
    background:linear-gradient(145deg,#252b31,#20252a);
    box-shadow:0 12px 28px rgba(0,0,0,.24);
  }

  .selected-vehicle-card small{
    color:#b4bec7;
  }

  .selected-vehicle-card h2,
  .selected-vehicle-card__specs strong{
    color:#f4f6f8;
  }

  .selected-vehicle-card__specs>div{
    border-color:#3c444c;
  }

  .selected-vehicle-card__change{
    border-color:#424b54;
    background:#2b3137;
    color:#e8ecef;
  }

  .selected-vehicle-card__change:hover{
    border-color:#d2b200;
    background:#383522;
  }
}

/* v1.12.0 · Información eléctrica prioritaria */
.selected-vehicle-card__specs{
  grid-template-columns:repeat(4,minmax(0,1fr));
}
@media(max-width:920px){
  .selected-vehicle-card__specs{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media(max-width:520px){
  .selected-vehicle-card__specs{
    grid-template-columns:1fr;
  }
}

/* v1.13.0 · Distinción técnica PHEV */
.powertrain-notice{
  margin:10px 0 15px;
  padding:11px 13px;
  border-radius:11px;
  font-size:.8rem;
  line-height:1.45;
}
.powertrain-notice--phev{
  border:1px solid rgba(217,177,0,.42);
  background:rgba(255,216,56,.13);
}


/* ===== Publicación RC5: pulido final de interfaz ===== */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button, .service-cta__link { touch-action: manipulation; }

.screen-navigation,
.section-heading,
.advisor-panel__heading {
    align-items: center;
}

.back-button,
.secondary-button,
.whatsapp-button,
.service-cta__link,
.install-app-button {
    min-height: 44px;
}

.secondary-button,
.whatsapp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    font-weight: 750;
}

.whatsapp-button {
    color:#ffffff;
    background:#137a42;
    border: 1px solid #137a42;
    cursor: pointer;
    transition: transform 160ms ease, filter 160ms ease, box-shadow 160ms ease;
}
.whatsapp-button::before { content: "↗"; font-weight: 900; }
.whatsapp-button:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(19,122,66,.22); }
.whatsapp-button:focus-visible,
.secondary-button:focus-visible,
.back-button:focus-visible,
.service-cta__link:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.result-actions--seven {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}
.result-actions--seven .primary-button { margin-top: 0; grid-column: span 3; }

.service-cta__link {
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}
.footer-brand { position: relative; padding-right: 110px; }
.footer-brand__version { position: absolute; right: 0; top: 50%; transform: translateY(-50%); opacity: .72; font-variant-numeric: tabular-nums; }

.hero-result strong,
.results-dashboard strong,
.result-card strong,
.unit-costs strong { font-variant-numeric: tabular-nums; }

.result-card,
.results-dashboard article,
.smart-insights article,
.unit-costs > div {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}
@media (hover:hover) {
    .result-card:hover,
    .results-dashboard article:hover,
    .smart-insights article:hover,
    .unit-costs > div:hover { transform: translateY(-2px); }
}

.share-status:not(:empty) {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(246,201,0,.13);
    color: var(--color-text);
}

@media (max-width: 760px) {
    .app-shell { padding: 10px; place-items: start center; }
    .welcome-card { border-radius: 20px; }
    .welcome-content { padding: 24px 16px 30px; }
    .screen-navigation { align-items: flex-start; gap: 12px; }
    .result-actions--seven { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .result-actions--seven .primary-button { grid-column: span 2; }
    .service-cta { align-items: stretch; }
    .service-cta__link { width: 100%; text-align: center; }
    .footer-brand { padding-right: 0; }
    .footer-brand__version { position: static; display: block; margin-top: 8px; transform: none; }
}

@media (max-width: 430px) {
    .result-actions--seven { grid-template-columns: 1fr; }
    .result-actions--seven .primary-button { grid-column: auto; }
    .result-actions--seven > * { width: 100%; }
    h1, .screen-title { overflow-wrap: anywhere; }
    .hero-result strong { font-size: clamp(2rem, 13vw, 3.2rem); }
}

@media print {
    .result-actions,
    .service-cta,
    .install-app-button,
    .back-button,
    .progress-indicator,
    .seo-content { display: none !important; }
    body, html { background: #fff !important; }
    .app-shell { padding: 0; }
    .welcome-card { width: 100%; box-shadow: none; border: 0; }
    .welcome-content { padding: 18px; }
    section, article { break-inside: avoid; }
}

/* ===== RC7 · acabado visual y consistencia final ===== */
:root {
    --eg-space-1: 6px;
    --eg-space-2: 10px;
    --eg-space-3: 14px;
    --eg-space-4: 18px;
    --eg-space-5: 24px;
    --eg-radius-control: 12px;
    --eg-control-height: 46px;
}

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: #fff;
    color: #111;
    font-weight: 800;
    transform: translateY(-160%);
    transition: transform 140ms ease;
}
.skip-link:focus { transform: translateY(0); }

button,
input,
select,
summary { font: inherit; }

button:not(:disabled) { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .58; }

.primary-button,
.secondary-button,
.whatsapp-button,
.install-app-button,
.service-cta__link {
    min-height: var(--eg-control-height);
    padding-inline: 16px;
    border-radius: var(--eg-radius-control);
    line-height: 1.2;
    letter-spacing: .005em;
}

.result-actions--seven > button {
    min-width: 0;
    white-space: normal;
    text-wrap: balance;
}
.result-actions--seven > button > span[aria-hidden="true"] {
    display: inline-grid;
    place-items: center;
    width: 1.1em;
    flex: 0 0 auto;
    font-weight: 900;
}

.install-app-button {
    width: 100%;
    margin-top: var(--eg-space-5);
    border: 1px solid currentColor;
    transition: transform 150ms ease, background-color 150ms ease, border-color 150ms ease;
}
.install-app-button:hover:not(:disabled) { transform: translateY(-1px); }

.trust-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 22px;
    margin-block: var(--eg-space-4);
    text-align: center;
}

.result-note,
.data-freshness { max-width: 76ch; }

.footer-brand {
    min-height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.footer-brand__version { white-space: nowrap; }

.custom-values-grid input,
.custom-values-grid select {
    min-height: 44px;
}

@media (max-width: 760px) {
    .result-actions--seven { gap: 9px; }
    .result-actions--seven > button { padding-inline: 12px; }
    .trust-strip { gap: 8px 14px; }
}

@media (max-width: 430px) {
    .welcome-content,
    .results-content { padding-inline: 15px; }
    .result-actions--seven { gap: 8px; }
    .footer-brand { align-items: flex-start; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* RC8F · corrección puntual de contraste y selección */
@media (prefers-color-scheme: dark) {
  .option-card--selected,
  .choice-card--selected {
    color:#ffffff;
    background:#343116;
    border-color:#d4ad00;
  }
  .option-card--selected strong,
  .choice-card--selected strong,
  .option-card--selected span,
  .choice-card--selected span { color:#ffffff; }
}


/* RC8F targeted fixes */
.badge,.status-badge,.savings-badge,.result-badge{
  color:#1f2937 !important;
  background:#e8f7ea !important;
}
.badge *, .status-badge *, .savings-badge *, .result-badge *{
  color:#1f2937 !important;
}


/* RC8F targeted fixes */
.badge,.result-badge,.saving-badge,.status-badge{
  color:#1f2937 !important;
}
.badge *, .result-badge *, .saving-badge *, .status-badge *{
  color:#1f2937 !important;
}


/* RC8H badge text fix */
.savings-badge,
.savings-badge *,
.badge--saving,
.badge--saving *{
  color:#7a5a00 !important;
}

/* RC8I exact saving badge fix */
span.saving-badge.saving-badge--excellent{color:#176d3b !important;}span.saving-badge.saving-badge--excellent *{color:#176d3b !important;}