/* ==========================================================================
   GRUPO SION — MÓDULOS
   Calculadora hipotecaria · filtros · hub de noticias · artículo · WhatsApp
   --------------------------------------------------------------------------
   1. Filtro de proyectos
   2. Calculadora hipotecaria
   3. Hub de noticias (listados y tarjetas)
   4. Artículo individual (hero, TOC, aside, progreso)
   5. Galería de avance de obra
   6. Widget de lead / proyecto
   7. WhatsApp flotante
   ========================================================================== */

/* ==========================================================================
   1. FILTRO DE PROYECTOS
   ========================================================================== */

.sion-filter {
    position: relative;
    padding: clamp(1.3rem, 3.2vw, 2rem);
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-md);
}

.sion-hero-filter .sion-filter {
    box-shadow: 0 30px 70px rgba(11, 14, 17, 0.22);
}

.sion-filter__title {
    margin: 0 0 1rem;
    font-family: 'Anton', sans-serif;
    font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.4rem);
    color: var(--ink-900);
}

.sion-filter__fields {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .sion-filter__fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1000px) {
    .sion-filter__fields {
        grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
        align-items: end;
    }
}

.sion-filter__field {
    display: grid;
    gap: 0.4rem;
    min-width: 0;
}

.sion-filter__field > span,
.sion-filter__field > label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-faint);
}

.sion-filter__field select,
.sion-filter__field input {
    width: 100%;
    padding: 0.85em 2.6em 0.85em 1em;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    color: var(--text);
    font-size: 0.94rem;
    font-weight: 600;
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2359636e' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1em center;
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out),
        background-color var(--dur-fast) var(--ease-out);
}

.sion-filter__field select:hover {
    background-color: var(--surface);
    border-color: var(--line);
}

.sion-filter__field select:focus,
.sion-filter__field input:focus {
    outline: none;
    border-color: var(--gold);
    background-color: var(--surface);
    box-shadow: 0 0 0 4px var(--gold-glow);
}

.sion-filter__submit {
    width: 100%;
    white-space: nowrap;
}

@media (min-width: 1000px) {
    .sion-filter__submit {
        width: auto;
    }
}

/* Variante compacta (archivos) */
.sion-filter--compact {
    padding: clamp(1rem, 2.4vw, 1.4rem);
    box-shadow: var(--shadow-sm);
}

.sion-filter--compact .sion-filter__title {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

/* ==========================================================================
   2. CALCULADORA HIPOTECARIA
   ========================================================================== */

.sion-calculator-section {
    background: var(--surface);
}

.sion-calculator {
    display: grid;
    gap: 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-md);
}

.sion-calculator__head {
    padding: clamp(1.4rem, 3.4vw, 2.2rem);
    background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
    color: var(--text-on-dark);
    position: relative;
    overflow: hidden;
}

.sion-calculator__head::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 50%;
    height: 200%;
    background: radial-gradient(circle, rgba(244, 196, 0, 0.2), transparent 62%);
    pointer-events: none;
}

.sion-calculator__head h2,
.sion-calculator__head h3 {
    position: relative;
    margin: 0 0 0.35em;
    color: #fff;
}

.sion-calculator__intro {
    position: relative;
    margin: 0;
    max-width: 62ch;
    color: var(--text-on-dark-soft);
    font-size: 0.96rem;
}

.sion-calculator__body {
    display: grid;
    gap: 0;
}

@media (min-width: 900px) {
    .sion-calculator__body {
        grid-template-columns: 1.15fr 0.85fr;
    }
}

.sion-calculator__form {
    display: grid;
    gap: 1.15rem;
    align-content: start;
    padding: clamp(1.4rem, 3.4vw, 2.2rem);
}

.sion-field {
    display: grid;
    gap: 0.45rem;
}

.sion-field > label,
.sion-field > span:first-child {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-faint);
}

.sion-field input[type='number'],
.sion-field input[type='text'],
.sion-field select {
    width: 100%;
    padding: 0.85em 1em;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink-900);
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.sion-field input:focus,
.sion-field select:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--gold-glow);
}

/* Sliders */
.sion-field input[type='range'] {
    width: 100%;
    height: 6px;
    margin: 0.4rem 0;
    padding: 0;
    appearance: none;
    background: linear-gradient(90deg, var(--gold) var(--fill, 40%), var(--surface-sunken) var(--fill, 40%));
    border-radius: var(--radius-pill);
    cursor: pointer;
}

.sion-field input[type='range']::-webkit-slider-thumb {
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface);
    border: 3px solid var(--gold);
    box-shadow: var(--shadow-sm);
    cursor: grab;
    transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-fast) var(--ease-out);
}

.sion-field input[type='range']::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px var(--gold-glow);
}

.sion-field input[type='range']::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface);
    border: 3px solid var(--gold);
    box-shadow: var(--shadow-sm);
    cursor: grab;
}

.sion-field__output {
    font-family: 'Anton', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--gold-strong);
    text-transform: none;
}

/* Checkbox de beneficios */
.sion-field--check {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.85em 1em;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-alt);
    cursor: pointer;
    transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.sion-field--check:hover {
    border-color: var(--gold);
    background: rgba(244, 196, 0, 0.07);
}

.sion-field--check input[type='checkbox'] {
    width: 20px;
    height: 20px;
    flex: none;
    accent-color: var(--gold-strong);
    cursor: pointer;
}

.sion-field--check label,
.sion-field--check > span {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text);
    cursor: pointer;
}

/* Resultado */
.sion-calculator__result {
    display: grid;
    gap: 1rem;
    align-content: start;
    padding: clamp(1.4rem, 3.4vw, 2.2rem);
    background: var(--surface-sunken);
    border-top: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
    .sion-calculator__result {
        border-top: 0;
        border-left: 1px solid var(--line-soft);
    }
}

.sion-result__label {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-faint);
}

.sion-result__value {
    margin: 0;
    font-family: 'Anton', sans-serif;
    font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.4rem);
    line-height: 1;
    color: var(--ink-900);
    font-variant-numeric: tabular-nums;
    transition: color var(--dur) var(--ease-out);
}

.sion-result__value.is-updating {
    color: var(--gold-strong);
}

.sion-result__breakdown {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.sion-result__breakdown li,
.sion-result__breakdown > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7em 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.9rem;
    color: var(--text-soft);
}

.sion-result__breakdown strong,
.sion-result__breakdown b {
    color: var(--ink-900);
    font-variant-numeric: tabular-nums;
}

.sion-result__note {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-faint);
    padding: 0.8em 1em;
    border-left: 3px solid var(--gold);
    background: rgba(244, 196, 0, 0.08);
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

/* ==========================================================================
   3. HUB DE NOTICIAS
   ========================================================================== */

.sion-news-listing {
    padding-block: var(--section-y);
    background: var(--page-bg);
}

.sion-news-listing--home {
    background: var(--surface-alt);
}

.sion-news-listing__more {
    display: flex;
    justify-content: center;
    margin-top: clamp(2rem, 4vw, 3rem);
}

/* Hero del blog */
.sion-news-hero {
    position: relative;
    padding-block: clamp(2.8rem, 7vw, 5rem);
    background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
    color: var(--text-on-dark);
    overflow: hidden;
}

.sion-news-hero::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -6%;
    width: 44%;
    height: 190%;
    background: radial-gradient(circle, rgba(244, 196, 0, 0.16), transparent 62%);
    pointer-events: none;
}

.sion-news-hero h1,
.sion-news-hero h2 {
    position: relative;
    color: #fff;
    margin-bottom: 0.3em;
}

.sion-news-hero__intro {
    position: relative;
    max-width: 64ch;
    color: var(--text-on-dark-soft);
    font-size: var(--fs-lead);
    margin-bottom: 0;
}

.sion-news-hero--archive {
    padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

/* Chips de categorías */
.sion-news-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
    padding: 0;
    list-style: none;
}

.sion-news-cats__item {
    display: inline-flex;
}

.sion-news-cats__item a,
.sion-news-cats a {
    display: inline-flex;
    align-items: center;
    padding: 0.5em 1.05em;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-on-dark);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    text-decoration: none;
    transition: all var(--dur) var(--ease-out);
}

.sion-news-cats a:hover,
.sion-news-cats__item.is-active,
.sion-news-cats__item.is-active a,
.sion-news-cats .current-cat a {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--ink-900);
    transform: translateY(-2px);
}

/* Grid de noticias */
.sion-news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.2rem, 2.6vw, 2rem);
}

@media (min-width: 620px) {
    .sion-news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1020px) {
    .sion-news-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.sion-news-grid--compact {
    gap: 1.1rem;
}

/* Tarjeta de noticia */
.sion-news-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
        border-color var(--dur) var(--ease-out);
}

.sion-news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(244, 196, 0, 0.5);
    box-shadow: var(--shadow-md);
}

.sion-news-card__media {
    position: relative;
    display: block;
    margin: 0;
    overflow: hidden;
    background: var(--surface-sunken);
}

.sion-news-card__media img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 900ms var(--ease-out);
}

.sion-news-card:hover .sion-news-card__media img {
    transform: scale(1.07);
}

.sion-news-card__cat {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    display: inline-flex;
    padding: 0.4em 0.9em;
    border-radius: var(--radius-pill);
    background: var(--gold);
    color: var(--ink-900);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--dur-fast) var(--ease-out);
}

.sion-news-card__cat:hover {
    background: var(--gold-strong);
}

.sion-news-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.55rem;
    padding: clamp(1.1rem, 2.6vw, 1.5rem);
}

.sion-news-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.9rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--text-faint);
}

.sion-news-card__meta time + span::before {
    content: '·';
    margin-right: 0.6em;
    color: var(--line);
}

.sion-news-card__title {
    margin: 0;
    font-size: clamp(1.05rem, 0.98rem + 0.4vw, 1.3rem);
    line-height: 1.2;
}

.sion-news-card__title a {
    text-decoration: none;
    background-image: linear-gradient(var(--gold), var(--gold));
    background-repeat: no-repeat;
    background-size: 0% 2px;
    background-position: left 92%;
    transition: background-size var(--dur) var(--ease-out);
}

.sion-news-card:hover .sion-news-card__title a {
    background-size: 100% 2px;
}

.sion-news-card__excerpt {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-soft);
}

.sion-news-card__link {
    margin-top: auto;
    padding-top: 0.5rem;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-decoration: none;
    color: var(--gold-strong);
    transition: gap var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.sion-news-card__link::after {
    content: '→';
}

.sion-news-card__link:hover {
    gap: 0.85em;
    color: var(--ink-900);
}

/* CTA final del hub */
.sion-news-card--featured {
    grid-column: 1 / -1;
}

@media (min-width: 1020px) {
    .sion-news-card--featured {
        grid-column: span 2;
        flex-direction: row;
    }

    .sion-news-card--featured .sion-news-card__media {
        flex: 0 0 52%;
    }

    .sion-news-card--featured .sion-news-card__media img {
        height: 100%;
        aspect-ratio: auto;
    }

    .sion-news-card--featured .sion-news-card__body {
        justify-content: center;
    }

    .sion-news-card--featured .sion-news-card__title {
        font-size: clamp(1.3rem, 1.1rem + 0.9vw, 1.8rem);
    }
}

.sion-news-cta {
    position: relative;
    padding-block: var(--section-y);
    background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
    color: var(--text-on-dark);
    overflow: hidden;
}

.sion-news-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 120%, rgba(244, 196, 0, 0.2), transparent 62%);
    pointer-events: none;
}

.sion-news-cta > * {
    position: relative;
    z-index: 1;
}

.sion-news-cta h2,
.sion-news-cta h3 {
    color: #fff;
    margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
    text-align: center;
}

.sion-news-cta p {
    color: var(--text-on-dark-soft);
}

/* ==========================================================================
   4. ARTÍCULO INDIVIDUAL
   ========================================================================== */

/* Barra de progreso de lectura */
.sion-read-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: rgba(11, 14, 17, 0.08);
    z-index: calc(var(--z-header) + 6);
    pointer-events: none;
}

.sion-read-progress span {
    display: block;
    height: 100%;
    width: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(90deg, var(--gold-strong), var(--gold-soft));
    will-change: transform;
}

.sion-article__hero {
    position: relative;
    padding-block: clamp(2.6rem, 6vw, 4.4rem);
    background: linear-gradient(135deg, var(--ink-900), var(--ink-700));
    color: var(--text-on-dark);
    overflow: hidden;
}

.sion-article__hero::after {
    content: '';
    position: absolute;
    top: -35%;
    left: -8%;
    width: 42%;
    height: 190%;
    background: radial-gradient(circle, rgba(244, 196, 0, 0.15), transparent 62%);
    pointer-events: none;
}

.sion-article__hero > * {
    position: relative;
}

.sion-article__hero h1 {
    color: #fff;
    max-width: 22ch;
}

.sion-article__cats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0 0 1rem;
    padding: 0;
    list-style: none;
}

.sion-article__cats a {
    display: inline-flex;
    padding: 0.35em 0.85em;
    border-radius: var(--radius-pill);
    background: var(--gold);
    color: var(--ink-900);
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    text-decoration: none;
    transition: background-color var(--dur-fast) var(--ease-out);
}

.sion-article__cats a:hover {
    background: var(--gold-soft);
}

.sion-article__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 1.2rem;
    margin-top: 1rem;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-on-dark-soft);
}

.sion-article__thumb {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.sion-article__thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.sion-article__layout {
    display: grid;
    gap: clamp(1.8rem, 4vw, 3.4rem);
    padding-block: var(--section-y);
}

@media (min-width: 1020px) {
    .sion-article__layout {
        grid-template-columns: minmax(0, 1fr) 300px;
        align-items: start;
    }
}

.sion-article__main {
    min-width: 0;
}

.sion-article__content {
    max-width: 72ch;
    font-size: clamp(1rem, 0.96rem + 0.25vw, 1.1rem);
    line-height: 1.75;
}

.sion-article__content > * + * {
    margin-top: 1.15em;
}

.sion-article__content h2 {
    margin-top: 1.9em;
    scroll-margin-top: calc(var(--header-h) + 24px);
}

.sion-article__content h3 {
    margin-top: 1.5em;
    scroll-margin-top: calc(var(--header-h) + 24px);
}

.sion-article__content img,
.sion-article__content figure img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.sion-article__content a {
    color: var(--gold-strong);
    text-decoration-color: rgba(214, 171, 0, 0.4);
}

.sion-article__content a:hover {
    color: var(--ink-900);
}

.sion-article__content ul,
.sion-article__content ol {
    padding-left: 1.3em;
}

.sion-article__content li + li {
    margin-top: 0.4em;
}

.sion-article__content li::marker {
    color: var(--gold-strong);
}

/* Aside pegajoso */
.sion-article__aside {
    display: grid;
    gap: 1.1rem;
    align-content: start;
}

@media (min-width: 1020px) {
    .sion-article__aside {
        position: sticky;
        top: calc(var(--header-h) + 20px);
    }
}

/* Tabla de contenidos */
.sion-toc {
    padding: 1.15rem 1.25rem;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-xs);
}

.sion-toc__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
    font-family: 'Anton', sans-serif;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink-900);
}

.sion-toc__toggle::after {
    content: '';
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--gold-strong);
    border-bottom: 2px solid var(--gold-strong);
    transform: rotate(45deg);
    transition: transform var(--dur) var(--ease-out);
}

.sion-toc__toggle[aria-expanded='false']::after {
    transform: rotate(-45deg);
}

.sion-toc__list {
    display: grid;
    gap: 0.15rem;
    margin: 0.9rem 0 0;
    padding: 0;
    list-style: none;
    counter-reset: sion-toc;
}

.sion-toc__list[hidden],
.sion-toc.is-collapsed .sion-toc__list {
    display: none;
}

.sion-toc__list a {
    display: block;
    padding: 0.45em 0.6em 0.45em 2.2em;
    position: relative;
    border-radius: var(--radius-xs);
    color: var(--text-soft);
    font-size: 0.87rem;
    text-decoration: none;
    transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.sion-toc__list a::before {
    counter-increment: sion-toc;
    content: counter(sion-toc, decimal-leading-zero);
    position: absolute;
    left: 0.6em;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--gold-strong);
}

.sion-toc__list a:hover,
.sion-toc__list a.is-active,
.sion-toc__list a.is-current {
    background: rgba(244, 196, 0, 0.12);
    color: var(--ink-900);
}

.sion-toc__list a.is-current {
    font-weight: 700;
}

.sion-toc__list .is-sub a,
.sion-toc__item--h3 a {
    padding-left: 3rem;
    font-size: 0.82rem;
}

/* Relacionados */
.sion-related {
    margin-top: clamp(2.4rem, 5vw, 3.6rem);
    padding-top: clamp(1.8rem, 4vw, 2.6rem);
    border-top: 1px solid var(--line);
}

.sion-related h2 {
    margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

/* ==========================================================================
   5. GALERÍA DE AVANCE DE OBRA
   ========================================================================== */

.sion-progress-gallery {
    margin-top: clamp(2rem, 4vw, 3rem);
}

.sion-progress-gallery h2 {
    margin-bottom: clamp(1rem, 2.4vw, 1.6rem);
}

.sion-progress-gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
    gap: 12px;
}

.sion-progress-gallery__grid figure,
.sion-progress-gallery__grid a {
    position: relative;
    margin: 0;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface-sunken);
    box-shadow: var(--shadow-xs);
    cursor: zoom-in;
    transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.sion-progress-gallery__grid img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 800ms var(--ease-out);
}

.sion-progress-gallery__grid figure:hover,
.sion-progress-gallery__grid a:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.sion-progress-gallery__grid figure:hover img,
.sion-progress-gallery__grid a:hover img {
    transform: scale(1.07);
}

.sion-progress-gallery__grid figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1.6rem 0.9rem 0.7rem;
    background: linear-gradient(180deg, transparent, rgba(11, 14, 17, 0.85));
    color: #fff;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

/* ==========================================================================
   6. WIDGET DE LEAD / PROYECTO
   ========================================================================== */

.sion-lead-widget {
    display: grid;
    gap: 0.75rem;
    padding: clamp(1.2rem, 3vw, 1.6rem);
    border-radius: var(--radius-lg);
    background: linear-gradient(150deg, var(--ink-900), var(--ink-700));
    color: var(--text-on-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.sion-lead-widget::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 70%;
    height: 200%;
    background: radial-gradient(circle, rgba(244, 196, 0, 0.2), transparent 62%);
    pointer-events: none;
}

.sion-lead-widget > * {
    position: relative;
}

.sion-lead-widget__label {
    margin: 0;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gold);
}

.sion-lead-widget__project {
    margin: 0;
    font-family: 'Anton', sans-serif;
    font-size: 1.3rem;
    line-height: 1.15;
    color: #fff;
}

.sion-lead-widget__price {
    margin: 0;
    font-family: 'Anton', sans-serif;
    font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.1rem);
    line-height: 1;
    color: var(--gold);
}

.sion-lead-widget .button,
.sion-lead-widget .button-whatsapp {
    width: 100%;
}

.sion-lead-widget__secondary {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-on-dark-soft);
    text-align: center;
}

.sion-lead-widget__secondary a {
    color: var(--gold);
    text-decoration: none;
}

.sion-lead-widget__secondary a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   7. WHATSAPP FLOTANTE
   ========================================================================== */

.sion-wa-float {
    position: fixed;
    right: clamp(1rem, 3vw, 1.6rem);
    bottom: clamp(1rem, 3vw, 1.6rem);
    z-index: var(--z-float);
    display: inline-flex;
    align-items: center;
    gap: 0;
    max-width: 60px;
    height: 60px;
    padding: 0;
    border-radius: var(--radius-pill);
    background: #25d366;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 14px 34px -8px rgba(37, 211, 102, 0.65);
    overflow: hidden;
    transition: max-width var(--dur-slow) var(--ease-out), box-shadow var(--dur) var(--ease-out),
        transform var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}

.sion-wa-float:hover,
.sion-wa-float:focus-visible {
    max-width: 300px;
    background: #1eb555;
    transform: translateY(-3px);
    box-shadow: 0 20px 44px -10px rgba(37, 211, 102, 0.75);
}

.sion-wa-float__icon {
    width: 60px;
    height: 60px;
    flex: none;
    padding: 16px;
    box-sizing: border-box;
}

.icon-whatsapp {
    width: 18px;
    height: 18px;
}

.sion-wa-float__text {
    padding-right: 1.35rem;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.sion-wa-float:hover .sion-wa-float__text,
.sion-wa-float:focus-visible .sion-wa-float__text {
    opacity: 1;
    transform: none;
}

/* Pulso */
.sion-wa-float__pulse {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.55);
    pointer-events: none;
    animation: sion-pulse 2.6s var(--ease-out) infinite;
}

@keyframes sion-pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.7;
    }
    70% {
        transform: scale(1.65);
        opacity: 0;
    }
    100% {
        transform: scale(1.65);
        opacity: 0;
    }
}

.sion-wa-float:hover .sion-wa-float__pulse {
    animation-play-state: paused;
    opacity: 0;
}

/* Entrada diferida */
.sion-wa-float {
    opacity: 0;
    visibility: hidden;
    transform: translateY(18px) scale(0.85);
}

.sion-wa-float.is-visible {
    opacity: 1;
    visibility: visible;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .sion-wa-float {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .sion-wa-float__pulse {
        animation: none;
        opacity: 0;
    }
}