.skip-link {
    position: fixed;
    top: var(--space-3);
    left: max(var(--space-3), var(--safe-left));
    z-index: var(--z-modal);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--brand-white);
    color: var(--brand-black);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transform: translateY(calc(-100% - var(--space-6)));
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    border-bottom: var(--border-width) solid var(--color-border);
    background: var(--color-background);
    background: color-mix(in srgb, var(--color-background) 94%, transparent);
    backdrop-filter: blur(1rem);
}

.site-brand {
    color: var(--color-text);
    text-decoration: none;
}

.site-brand:hover {
    color: var(--color-text);
}

.site-navigation {
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-raised);
    box-shadow: var(--shadow-lg);
}

.site-navigation__link {
    padding-inline: var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-text-soft);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
}

@media (min-width: 64rem) {
    .site-navigation {
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .site-navigation__list {
        gap: clamp(.4rem, .65vw, .85rem);
    }

    .site-navigation__link {
        min-height: 2.75rem;
        padding-inline: .7rem;
        font-size: .8rem;
        letter-spacing: .025em;
    }
}

.site-navigation__link:hover,
.site-navigation__link[aria-current="page"] {
    background: var(--color-surface-soft);
    color: var(--color-text);
}

.site-navigation__link[aria-current="page"] {
    box-shadow: inset 0 calc(var(--border-accent-width) * -1) 0 var(--color-accent);
}

.site-footer {
    border-top: var(--border-width) solid var(--color-border);
    background: var(--color-surface);
}

.site-footer__heading {
    margin-bottom: var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.site-footer__links a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.site-footer__links a:hover {
    color: var(--color-text);
}

.site-footer__bottom {
    border-top: var(--border-width) solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.eyebrow::before {
    width: var(--space-8);
    height: var(--border-accent-width);
    background: currentColor;
    content: "";
}

.section-heading {
    max-width: var(--container-reading);
    margin-bottom: var(--space-10);
}

.section-heading > :last-child {
    margin-bottom: 0;
}

.section-heading__description {
    color: var(--color-text-muted);
    font-size: var(--text-lg);
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
}

.button,
.icon-button {
    display: inline-flex;
    min-height: var(--touch-target);
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast),
        border-color var(--transition-fast), transform var(--transition-fast);
}

.button {
    padding: var(--space-3) var(--space-6);
}

.icon-button {
    width: var(--touch-target);
    padding: 0;
}

.button:hover,
.icon-button:hover {
    color: inherit;
    transform: translateY(-0.125rem);
}

.button--primary {
    background: var(--color-accent);
    color: var(--brand-white);
}

.button--primary:hover {
    background: var(--color-accent-hover);
    color: var(--brand-white);
}

.button--secondary {
    border-color: var(--color-border-strong);
    background: var(--color-surface-raised);
    color: var(--color-text);
}

.button--secondary:hover {
    border-color: var(--color-text-muted);
    background: var(--color-surface-soft);
}

.button--ghost {
    border-color: var(--color-border);
    background: transparent;
    color: var(--color-text);
}

.button--ghost:hover {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

.button--block {
    width: 100%;
}

.button:disabled,
.icon-button:disabled,
.button[aria-disabled="true"] {
    opacity: 0.55;
    pointer-events: none;
    transform: none;
}

.button svg,
.icon-button svg,
.social-link svg,
.floating-action svg {
    width: 1.25rem;
    height: 1.25rem;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
}

.floating-action--whatsapp svg {
    width: 2.15rem;
    height: 2.15rem;
    display: block;
}

.card {
    position: relative;
    overflow: hidden;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.card--accent {
    border-top: var(--border-accent-width) solid var(--color-accent);
}

.card--interactive {
    transition: border-color var(--transition-base), transform var(--transition-base),
        box-shadow var(--transition-base);
}

.card--interactive:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-0.25rem);
}

.card__media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-surface-soft);
}

.card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__body {
    padding: var(--space-6);
}

.card__body > :last-child {
    margin-bottom: 0;
}

.badge {
    display: inline-flex;
    min-height: var(--space-6);
    align-items: center;
    padding-inline: var(--space-3);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-pill);
    background: var(--color-surface-raised);
    color: var(--color-text-soft);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
}

.badge--accent {
    border-color: var(--color-accent);
    background: color-mix(in srgb, var(--color-accent) 15%, transparent);
    color: var(--color-text);
}

.form-group {
    display: grid;
    gap: var(--space-2);
}

.form-label,
.form-legend {
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
}

.form-label__optional {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-regular);
}

.form-control,
.form-select {
    width: 100%;
    min-height: var(--touch-target);
    padding: var(--space-3) var(--space-4);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface-raised);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

.form-control:hover,
.form-select:hover {
    border-color: var(--color-text-muted);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 0.1875rem color-mix(in srgb, var(--color-accent) 28%, transparent);
}

textarea.form-control {
    min-height: 8rem;
}

.form-control[type="file"] {
    padding: var(--space-2);
}

.form-control::file-selector-button {
    margin-inline-end: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: var(--brand-white);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
}

.form-help,
.form-error {
    margin: 0;
    font-size: var(--text-sm);
}

.form-help {
    color: var(--color-text-muted);
}

.form-error {
    color: var(--color-error);
    font-weight: var(--font-weight-medium);
}

.form-control[aria-invalid="true"],
.form-select[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-check input {
    width: 1.25rem;
    height: 1.25rem;
    flex: 0 0 auto;
    margin-top: 0.2rem;
    accent-color: var(--color-accent);
}

.alert {
    padding: var(--space-4);
    border: var(--border-width) solid var(--color-border);
    border-inline-start-width: var(--border-accent-width);
    border-radius: var(--radius-sm);
    background: var(--color-surface-raised);
}

.alert--success {
    border-inline-start-color: var(--color-success);
}

.alert--error {
    border-inline-start-color: var(--color-error);
}

.alert > :last-child {
    margin-bottom: 0;
}

.faq-list {
    display: grid;
    gap: var(--space-3);
}

.faq-item {
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.faq-item summary {
    display: flex;
    min-height: var(--touch-target);
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    color: var(--color-accent);
    font-size: var(--text-xl);
    content: "+";
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item__answer {
    padding: 0 var(--space-4) var(--space-4);
    color: var(--color-text-soft);
}

.faq-item__answer > :last-child {
    margin-bottom: 0;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    list-style: none;
}

.breadcrumb-trail {
    border-bottom: var(--border-width) solid var(--color-border);
    background: color-mix(in srgb, var(--color-background) 97%, var(--color-accent));
}

.breadcrumb-trail .container-wide {
    padding-block: .7rem;
}

.breadcrumbs__item {
    min-width: 0;
}

.breadcrumbs__item:last-child {
    max-width: min(48rem, 68vw);
    overflow: hidden;
    color: var(--color-text-soft);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumbs li:not(:last-child)::after {
    margin-inline-start: var(--space-2);
    color: var(--color-border-strong);
    content: "/";
}

.breadcrumbs a {
    color: var(--color-text-soft);
    text-decoration-color: transparent;
    text-underline-offset: .2em;
}

.breadcrumbs a:hover {
    color: var(--color-text);
    text-decoration-color: var(--color-accent);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

/* STEP 242-fix-1: official social controls and polished quick-contact icons. */
.social-link,
.floating-action {
    display: inline-flex;
    min-width: var(--touch-target);
    min-height: var(--touch-target);
    align-items: center;
    justify-content: center;
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-pill);
    background: var(--color-surface-raised);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast),
        border-color var(--transition-fast), transform var(--transition-fast);
}

.social-link {
    width: 3rem;
    height: 3rem;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 8%);
}

.social-link svg {
    width: 1.35rem;
    height: 1.35rem;
}

.social-link:hover,
.floating-action:hover {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--brand-white);
    transform: translateY(-0.125rem);
}

.floating-action {
    width: 3.75rem;
    height: 3.75rem;
    border-width: 2px;
    box-shadow:
        0 1rem 2.2rem rgb(0 0 0 / 48%),
        inset 0 1px 0 rgb(255 255 255 / 24%);
}

.floating-action svg {
    width: 1.8rem;
    height: 1.8rem;
}

.floating-action--whatsapp {
    border-color: #43dc78;
    background: linear-gradient(145deg, #35d66e, #128c4a);
    color: #fff;
}

.floating-action--phone {
    border-color: #f34349;
    background: linear-gradient(145deg, #f12f36, #9f1016);
    color: var(--brand-white);
}

.floating-action:focus-visible,
.social-link:focus-visible {
    outline: .2rem solid #fff;
    outline-offset: .2rem;
}

@media (hover: hover) {
    .floating-action:hover {
        transform: translateY(-.2rem) scale(1.06);
    }
}

.responsive-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    background: var(--color-surface-soft);
}

.responsive-media > :is(iframe, video, img) {
    width: 100%;
    height: 100%;
    border: 0;
    object-fit: cover;
}

@media (min-width: 30rem) {
    .button-group {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .button-group .button--block {
        width: auto;
    }
}

@media (min-width: 64rem) {
    /* STEP 239: clean, professional desktop navigation */
    .site-navigation {
        padding: .25rem .35rem;
        border: 1px solid rgb(255 255 255 / 12%);
        border-radius: .8rem;
        background:
            linear-gradient(
                180deg,
                rgb(255 255 255 / 5%),
                rgb(255 255 255 / 1%)
            ),
            rgb(8 8 8 / 76%);
        box-shadow:
            inset 0 1px 0 rgb(255 255 255 / 6%),
            0 .45rem 1.15rem rgb(0 0 0 / 24%);
        backdrop-filter: blur(.6rem);
    }

    .site-navigation__list {
        gap: .15rem;
    }

    .site-navigation__list > li {
        position: relative;
    }

    .site-navigation__list > li:not(.mobile-only)
        + li:not(.mobile-only)::before {
        position: absolute;
        top: 50%;
        left: -.075rem;
        width: 1px;
        height: 1.15rem;
        background: rgb(255 255 255 / 12%);
        content: "";
        transform: translateY(-50%);
    }

    .site-navigation__link {
        position: relative;
        min-height: 3rem;
        padding: .55rem clamp(.7rem, .85vw, 1rem);
        border-radius: var(--radius-sm);
        color: rgb(255 255 255 / 82%);
        font-size: .82rem;
        font-weight: var(--font-weight-medium);
        letter-spacing: .045em;
        transition:
            color var(--transition-fast),
            text-shadow var(--transition-fast);
    }

    .site-navigation__link::after {
        position: absolute;
        right: clamp(.7rem, .85vw, 1rem);
        bottom: .25rem;
        left: clamp(.7rem, .85vw, 1rem);
        height: 2px;
        border-radius: 999px;
        background: linear-gradient(
            90deg,
            rgb(215 25 32 / 45%),
            var(--color-accent),
            rgb(215 25 32 / 45%)
        );
        box-shadow: 0 0 .55rem rgb(215 25 32 / 35%);
        content: "";
        opacity: .52;
        transform: scaleX(.24);
        transform-origin: center;
        transition:
            opacity var(--transition-fast),
            transform var(--transition-fast);
    }

    .site-navigation__link:hover,
    .site-navigation__link[aria-current="page"] {
        background: transparent;
        color: var(--color-text);
        text-shadow: 0 0 .7rem rgb(215 25 32 / 22%);
    }

    .site-navigation__link:hover::after,
    .site-navigation__link:focus-visible::after,
    .site-navigation__link[aria-current="page"]::after {
        opacity: 1;
        transform: scaleX(1);
    }

    .site-navigation__link[aria-current="page"] {
        box-shadow: none;
    }

    .site-navigation__link:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    .site-header__actions {
        margin-inline-start: var(--space-2);
        padding-inline-start: var(--space-4);
        border-inline-start: var(--border-width) solid var(--color-border);
    }
}