/* ==========================================================================
   global.css — Sistema compartido de Transportes Raúl Martín.

   Contiene exclusivamente lo que se reutiliza en todo el sitio:
   tipografías locales, variables, reset, base tipográfica, utilidades,
   componentes compartidos (incluido el documento legal que comparten las
   cinco páginas legales), cabecera (#site_header), pie (#site_footer),
   menú móvil, botón flotante de WhatsApp y accesibilidad.

   Los estilos exclusivos de cada página viven en assets/css/<pagina>.css
   y todos sus selectores arrancan por el ID de su sección.
   ========================================================================== */

/* ==========================================================================
   1. TIPOGRAFÍAS LOCALES
   ========================================================================== */

/* Display condensado para titulares. */
@font-face {
    font-family: "Big Shoulders Display";
    src: url("../fonts/big-shoulders-display-700.woff2") format("woff2");
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: "Big Shoulders Display";
    src: url("../fonts/big-shoulders-display-800.woff2") format("woff2");
    font-style: normal;
    font-weight: 800;
    font-display: swap;
}

@font-face {
    font-family: "Big Shoulders Display";
    src: url("../fonts/big-shoulders-display-900.woff2") format("woff2");
    font-style: normal;
    font-weight: 900;
    font-display: swap;
}

/* Sans de cuerpo. */
@font-face {
    font-family: "Inter Tight";
    src: url("../fonts/inter-tight-400.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Inter Tight";
    src: url("../fonts/inter-tight-500.woff2") format("woff2");
    font-style: normal;
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: "Inter Tight";
    src: url("../fonts/inter-tight-600.woff2") format("woff2");
    font-style: normal;
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "Inter Tight";
    src: url("../fonts/inter-tight-700.woff2") format("woff2");
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

/* Monoespaciada para antetítulos, cifras y datos técnicos. */
@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-400.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-500.woff2") format("woff2");
    font-style: normal;
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-700.woff2") format("woff2");
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

/* ==========================================================================
   2. VARIABLES
   ========================================================================== */

:root {
    /* Fondos oscuros: base de héroes, cintas y pie. */
    --site-night-900: #0b1220;
    --site-night-800: #131c2e;
    --site-night-700: #1e2a42;
    --site-night-600: #2b3a58;

    /* Azul corporativo, tomado de las referencias del sector. */
    --site-blue-500: #1f5fff;
    --site-blue-600: #1348d4;
    --site-blue-100: #e4edff;
    --site-blue-50: #f2f6ff;

    /* Neutros claros. */
    --site-paper: #f6f8fc;
    --site-surface: #ffffff;
    --site-line: #dce3ef;

    /* Textos. */
    --site-ink-900: #0b1220;
    --site-ink-700: #3c4a63;
    --site-ink-500: #5a6884;
    --site-ink-on-dark: #ffffff;
    --site-ink-muted-dark: #a7b4cc;

    /* Verde de marca de WhatsApp, usado en el botón flotante de contacto. */
    --site-whatsapp-500: #25d366;
    --site-whatsapp-600: #1da851;

    /* Estados de formulario. */
    --site-success: #17754a;
    --site-success-soft: #e6f4ec;
    --site-error: #b3261e;
    --site-error-soft: #fbeae9;

    /* Tipografías. */
    --site-font-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
    --site-font-body: "Inter Tight", "Helvetica Neue", Arial, sans-serif;
    --site-font-mono: "JetBrains Mono", "Courier New", monospace;

    /* Radios. */
    --site-radius-small: 6px;
    --site-radius-medium: 12px;
    --site-radius-large: 22px;
    --site-radius-pill: 999px;

    /* Escala de espaciado 4 / 8. */
    --site-space-1: 4px;
    --site-space-2: 8px;
    --site-space-3: 12px;
    --site-space-4: 16px;
    --site-space-5: 24px;
    --site-space-6: 32px;
    --site-space-7: 48px;
    --site-space-8: 64px;
    --site-space-9: 96px;

    /* Layout. */
    --site-container: 1280px;
    --site-gutter: clamp(20px, 4vw, 40px);
    --site-section-space: clamp(72px, 9vw, 128px);
    --site-header-height: 84px;

    /* Sombras. */
    --site-shadow-soft: 0 10px 30px rgba(11, 18, 32, 0.07);
    --site-shadow-raised: 0 22px 48px rgba(11, 18, 32, 0.14);

    /* Curvas y duraciones de transición. */
    --site-ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
    --site-duration-fast: 180ms;
    --site-duration-medium: 280ms;
}

/* ==========================================================================
   3. RESET MÍNIMO
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    /* Compensa la cabecera fija al saltar a un ancla. */
    scroll-padding-top: calc(var(--site-header-height) + var(--site-space-5));
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background-color: var(--site-paper);
    color: var(--site-ink-900);
    font-family: var(--site-font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    /* Evita el scroll horizontal accidental de las capas con parallax.
       Se recorta con «clip» y no con «hidden»: «hidden» convierte al body en
       contenedor de scroll y deja sin efecto position: sticky en todo lo que
       hay dentro —el índice de las páginas legales y la introducción de la
       sección de formulario—. «clip» recorta igual sin crear ese contenedor. */
    overflow-x: clip;
}

h1,
h2,
h3,
h4 {
    margin: 0;
    font-family: var(--site-font-display);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.75rem, 7vw, 5.5rem);
    font-weight: 900;
}

h2 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
}

h3 {
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
    line-height: 1.05;
}

h4 {
    font-size: 1.0625rem;
    font-family: var(--site-font-body);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: 0;
    text-transform: none;
}

p {
    margin: 0;
    text-wrap: pretty;
}

a {
    color: var(--site-blue-600);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--site-duration-fast) var(--site-ease-out);
}

a:hover {
    color: var(--site-blue-500);
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

dl,
dd,
dt {
    margin: 0;
}

table {
    border-collapse: collapse;
}

button {
    font: inherit;
    color: inherit;
}

input,
select,
textarea {
    font: inherit;
    color: inherit;
}

/* ==========================================================================
   4. UTILIDADES GLOBALES
   ========================================================================== */

/* Contenedor de ancho máximo, reutilizado por todas las secciones. */
.site-shell {
    width: min(100% - (var(--site-gutter) * 2), var(--site-container));
    margin-inline: auto;
}

/* Texto disponible solo para lectores de pantalla. */
.site-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Enlace de salto al contenido principal. */
.site-skip-link {
    position: absolute;
    top: var(--site-space-3);
    left: var(--site-space-3);
    z-index: 200;
    padding: var(--site-space-3) var(--site-space-5);
    transform: translateY(-200%);
    border-radius: var(--site-radius-pill);
    background-color: var(--site-blue-500);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-mono);
    font-size: 0.8125rem;
    text-decoration: none;
    transition: transform var(--site-duration-medium) var(--site-ease-out);
}

.site-skip-link:focus-visible {
    transform: translateY(0);
    color: var(--site-ink-on-dark);
}

/* ==========================================================================
   5. COMPONENTES COMPARTIDOS
   ========================================================================== */

/* --- 5.1 Antetítulo con barra decorativa ------------------------------- */

.site-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--site-space-3);
    color: var(--site-blue-500);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    line-height: 1;
    text-transform: uppercase;
}

.site-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    flex: 0 0 34px;
    background-color: currentColor;
}

/* Variante sobre fondos oscuros. */
.site-eyebrow--on-dark {
    color: var(--site-blue-100);
}

/* --- 5.2 Botones ------------------------------------------------------- */

.site-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--site-space-3);
    min-height: 52px;
    padding-inline: var(--site-space-6);
    border: 2px solid transparent;
    border-radius: var(--site-radius-pill);
    font-family: var(--site-font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    line-height: 1;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition:
        background-color var(--site-duration-fast) var(--site-ease-out),
        border-color var(--site-duration-fast) var(--site-ease-out),
        color var(--site-duration-fast) var(--site-ease-out),
        transform var(--site-duration-fast) var(--site-ease-out);
}

.site-button__icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.site-button--primary {
    background-color: var(--site-blue-500);
    border-color: var(--site-blue-500);
    color: var(--site-ink-on-dark);
}

.site-button--primary:hover {
    background-color: var(--site-blue-600);
    border-color: var(--site-blue-600);
    color: var(--site-ink-on-dark);
    transform: translateY(-2px);
}

/* Contorno claro: se usa sobre fondos oscuros. */
.site-button--outline-light {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.35);
    color: var(--site-ink-on-dark);
}

.site-button--outline-light:hover {
    background-color: var(--site-ink-on-dark);
    border-color: var(--site-ink-on-dark);
    color: var(--site-night-900);
    transform: translateY(-2px);
}

/* Contorno oscuro: se usa sobre fondos claros. */
.site-button--outline-dark {
    background-color: transparent;
    border-color: var(--site-night-700);
    color: var(--site-night-900);
}

.site-button--outline-dark:hover {
    background-color: var(--site-night-900);
    border-color: var(--site-night-900);
    color: var(--site-ink-on-dark);
    transform: translateY(-2px);
}

/* --- 5.3 Enlace con flecha -------------------------------------------- */

.site-arrow-link {
    display: inline-flex;
    align-items: center;
    gap: var(--site-space-3);
    color: var(--site-night-900);
    font-family: var(--site-font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
}

.site-arrow-link__icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    transition: transform var(--site-duration-medium) var(--site-ease-out);
}

.site-arrow-link:hover {
    color: var(--site-blue-500);
}

.site-arrow-link:hover .site-arrow-link__icon {
    transform: translateX(6px);
}

/* --- 5.4 Campos de formulario -----------------------------------------
   Componente compartido por el presupuesto rápido de la portada
   (#home_quote) y el formulario completo de contacto (#contact_form).
   Cada página aporta únicamente la rejilla que los coloca.
   ---------------------------------------------------------------------- */

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

.site-field__label {
    color: var(--site-ink-700);
    font-family: var(--site-font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-field__optional {
    color: var(--site-ink-500);
    text-transform: none;
    letter-spacing: 0.04em;
}

/* Marca de campo obligatorio, a la derecha de la etiqueta. Va en rojo para
   que se distinga de un vistazo del «(opcional)», que es gris. */
.site-field__required {
    color: var(--site-error);
    text-transform: none;
    letter-spacing: 0.04em;
}

.site-field__control {
    width: 100%;
    min-height: 52px;
    padding: var(--site-space-3) var(--site-space-4);
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-small);
    background-color: var(--site-surface);
    color: var(--site-ink-900);
    font-size: 1rem;
    transition:
        border-color var(--site-duration-fast) var(--site-ease-out),
        box-shadow var(--site-duration-fast) var(--site-ease-out);
}

/* Slot de icono a la izquierda: cuando .site-field__control va envuelto en
   .site-field__icon-wrap con un .site-field__icon antes, se reserva el
   hueco a la izquierda y el icono se vuelve azul al tomar foco el campo. */
.site-field__icon-wrap {
    position: relative;
    display: flex;
}

.site-field__icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--site-ink-500);
    pointer-events: none;
    transition: color var(--site-duration-fast) var(--site-ease-out);
}

.site-field__icon-wrap .site-field__control {
    padding-left: 42px;
}

/* En textarea el icono se ancla arriba a la izquierda para no quedar
   flotando en el centro vertical del campo. */
.site-field__icon-wrap textarea.site-field__control {
    padding-top: var(--site-space-4);
}

.site-field__icon-wrap textarea.site-field__control ~ .site-field__icon,
.site-field__icon-wrap .site-field__icon--top {
    top: 16px;
    transform: none;
}

.site-field__icon-wrap:focus-within .site-field__icon {
    color: var(--site-blue-500);
}

.site-field__icon-wrap:has(.site-field__control[aria-invalid="true"]) .site-field__icon {
    color: var(--site-error);
}

.site-field__control::placeholder {
    color: var(--site-ink-500);
}

.site-field__control:hover {
    border-color: var(--site-ink-500);
}

.site-field__control:focus {
    border-color: var(--site-blue-500);
    box-shadow: 0 0 0 3px var(--site-blue-100);
    outline: none;
}

/* Los <select> nativos necesitan la flecha propia del sistema. */
select.site-field__control {
    cursor: pointer;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--site-ink-700) 50%),
        linear-gradient(135deg, var(--site-ink-700) 50%, transparent 50%);
    background-position: calc(100% - 22px) 23px, calc(100% - 16px) 23px;
    background-size: 6px 6px;
    background-repeat: no-repeat;
    padding-right: var(--site-space-8);
}

textarea.site-field__control {
    min-height: 140px;
    resize: vertical;
}

/* Estado de error, lo marca assets/js/contact-form.js. */
.site-field__control[aria-invalid="true"] {
    border-color: var(--site-error);
}

.site-field__control[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px var(--site-error-soft);
}

.site-field__error {
    color: var(--site-error);
    font-size: 0.8125rem;
    font-weight: 500;
}

.site-field__error[hidden] {
    display: none;
}

/* Casilla de consentimiento: la etiqueta envuelve al control y al texto, así
   que se marca al pulsar en cualquier punto de la frase. */
.site-field__consent {
    display: flex;
    align-items: flex-start;
    gap: var(--site-space-3);
    color: var(--site-ink-700);
    font-size: 0.875rem;
    line-height: 1.5;
    cursor: pointer;
}

.site-field__checkbox {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--site-blue-500);
    cursor: pointer;
}

.site-field__checkbox:focus-visible {
    outline: 2px solid var(--site-blue-500);
    outline-offset: 2px;
}

.site-field__checkbox[aria-invalid="true"] {
    outline: 2px solid var(--site-error);
    outline-offset: 2px;
}

/* Aviso de protección de datos: acompaña a la casilla de consentimiento en
   todos los formularios del sitio, así que vive aquí y no en una hoja de
   página. Es informativo, no es un campo. */
.site-privacy {
    display: grid;
    gap: var(--site-space-2);
    padding: var(--site-space-4);
    border-left: 3px solid var(--site-blue-500);
    border-radius: var(--site-radius-small);
    background-color: var(--site-blue-50);
    color: var(--site-ink-700);
    font-size: 0.8125rem;
    line-height: 1.55;
}

.site-privacy__title {
    color: var(--site-ink-900);
    font-family: var(--site-font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-privacy__list {
    display: grid;
    gap: var(--site-space-2);
    margin: 0;
}

/* Rótulo y valor comparten línea: el término abre la frase y el valor la
   continúa. */
.site-privacy__row {
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.35em;
}

.site-privacy__term {
    color: var(--site-ink-900);
    font-weight: 600;
}

.site-privacy__value {
    margin: 0;
}

.site-privacy__link {
    color: var(--site-blue-500);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.site-privacy__link:hover {
    color: var(--site-blue-600);
}

/* Trampa anti-spam: fuera de pantalla, nunca oculta con display:none
   para que los robots que leen el CSS no la detecten tan fácilmente. */
.site-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

/* Mensaje global del formulario (éxito o error de envío). */
.site-form-message {
    display: flex;
    align-items: flex-start;
    gap: var(--site-space-3);
    padding: var(--site-space-4);
    border-radius: var(--site-radius-small);
    font-size: 0.9375rem;
    font-weight: 500;
}

.site-form-message[hidden] {
    display: none;
}

.site-form-message--success {
    background-color: var(--site-success-soft);
    color: var(--site-success);
}

.site-form-message--error {
    background-color: var(--site-error-soft);
    color: var(--site-error);
}

/* --- 5.5 Héroe compacto de página --------------------------------------
   Cabecera oscura de las páginas interiores. Se agrupan los seis ámbitos
   con :is() para no repetir las declaraciones: la especificidad resultante
   es la misma que si cada ID se escribiera por separado.
   ---------------------------------------------------------------------- */

:is(#about_hero, #services_hero, #contact_hero, #legal_hero, #privacy_hero,
    #cookies_hero, #dataprotection_hero, #accessibility_hero) {
    padding-block: calc(var(--site-header-height) + clamp(56px, 7vw, 104px)) clamp(56px, 7vw, 104px);
    background-color: var(--site-night-900);
    /* Trama diagonal sutil que evita el plano completamente liso. */
    background-image: repeating-linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.028) 0 1px,
        transparent 1px 11px
    );
}

:is(#about_hero, #services_hero, #contact_hero, #legal_hero, #privacy_hero,
    #cookies_hero, #dataprotection_hero, #accessibility_hero) .site-page-hero__shell {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--site-space-4);
}

:is(#about_hero, #services_hero, #contact_hero, #legal_hero, #privacy_hero,
    #cookies_hero, #dataprotection_hero, #accessibility_hero) .site-page-hero__title {
    max-width: 20ch;
    color: var(--site-ink-on-dark);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

:is(#about_hero, #services_hero, #contact_hero, #legal_hero, #privacy_hero,
    #cookies_hero, #dataprotection_hero, #accessibility_hero) .site-page-hero__description {
    max-width: 56ch;
    color: var(--site-ink-muted-dark);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
}

/* --- 5.6 Fila de cifras ------------------------------------------------ */

:is(#home_stats, #about_stats) {
    padding-block: clamp(40px, 5vw, 64px);
    background-color: var(--site-night-800);
}

:is(#home_stats, #about_stats) .site-stats__shell {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--site-space-6) var(--site-space-5);
}

:is(#home_stats, #about_stats) .site-stats__item {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-2);
}

:is(#home_stats, #about_stats) .site-stats__value {
    display: flex;
    align-items: baseline;
    gap: var(--site-space-2);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-display);
    font-size: clamp(2.75rem, 6vw, 4.25rem);
    font-weight: 900;
    line-height: 0.85;
}

/* Cifras de ancho fijo: evita que el número baile mientras el contador corre. */
:is(#home_stats, #about_stats) .site-stats__number {
    font-variant-numeric: tabular-nums;
}

:is(#home_stats, #about_stats) .site-stats__suffix {
    color: var(--site-blue-500);
    font-size: 0.42em;
    font-weight: 800;
}

:is(#home_stats, #about_stats) .site-stats__label {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    line-height: 1.45;
    text-transform: uppercase;
}

@media (min-width: 768px) {
    :is(#home_stats, #about_stats) .site-stats__shell {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--site-space-5);
    }
}

/* --- 5.7 Pasos de proceso --------------------------------------------- */

:is(#home_process, #about_process) {
    padding-block: var(--site-section-space);
    background-color: var(--site-night-900);
}

:is(#home_process, #about_process) .site-steps__shell {
    display: flex;
    flex-direction: column;
    gap: clamp(40px, 5vw, 72px);
}

:is(#home_process, #about_process) .site-steps__intro {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
}

:is(#home_process, #about_process) .site-steps__title {
    max-width: 24ch;
    color: var(--site-ink-on-dark);
}

:is(#home_process, #about_process) .site-steps__description {
    max-width: 52ch;
    color: var(--site-ink-muted-dark);
    font-size: 1.0625rem;
}

:is(#home_process, #about_process) .site-steps__list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--site-space-6);
}

:is(#home_process, #about_process) .site-steps__step {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-3);
    padding-top: var(--site-space-5);
    border-top: 2px solid var(--site-night-700);
    transition: border-top-color var(--site-duration-medium) var(--site-ease-out);
}

:is(#home_process, #about_process) .site-steps__number {
    color: var(--site-blue-500);
    font-family: var(--site-font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.2em;
}

:is(#home_process, #about_process) .site-steps__step-title {
    color: var(--site-ink-on-dark);
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

:is(#home_process, #about_process) .site-steps__step-description {
    color: var(--site-ink-muted-dark);
    font-size: 0.9375rem;
}

:is(#home_process, #about_process) .site-steps__step:hover {
    border-top-color: var(--site-blue-500);
}

@media (min-width: 768px) {
    :is(#home_process, #about_process) .site-steps__list {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--site-space-5);
    }
}

/* --- 5.8 Cinta de llamada a la acción --------------------------------- */

:is(#home_cta, #about_cta, #services_cta) {
    padding-block: var(--site-section-space);
    background-color: var(--site-blue-500);
}

:is(#home_cta, #about_cta, #services_cta) .site-cta__shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--site-space-5);
    text-align: center;
}

:is(#home_cta, #about_cta, #services_cta) .site-cta__title {
    max-width: 24ch;
    color: var(--site-ink-on-dark);
}

:is(#home_cta, #about_cta, #services_cta) .site-cta__description {
    max-width: 46ch;
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.0625rem;
}

:is(#home_cta, #about_cta, #services_cta) .site-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--site-space-4);
    margin-top: var(--site-space-2);
}

/* Sobre el azul de la cinta, el botón principal se invierte a blanco. */
:is(#home_cta, #about_cta, #services_cta) .site-cta__actions .site-button--primary {
    background-color: var(--site-surface);
    border-color: var(--site-surface);
    color: var(--site-blue-600);
}

:is(#home_cta, #about_cta, #services_cta) .site-cta__actions .site-button--primary:hover {
    background-color: var(--site-night-900);
    border-color: var(--site-night-900);
    color: var(--site-ink-on-dark);
}

@media (max-width: 519px) {
    :is(#home_cta, #about_cta, #services_cta) .site-cta__actions .site-button {
        width: 100%;
    }
}

/* --- 5.9 Sección de formulario -------------------------------------------
   Columna de introducción a la izquierda y tarjeta de formulario a la
   derecha. La comparten el presupuesto de la portada y el formulario de
   contacto: son la misma sección con distinto copy y distinta lista de
   campos, así que el componente vive aquí y no se duplica en las dos hojas
   de página. ---------------------------------------------------------- */

:is(#home_quote, #contact_form_section) {
    padding-block: var(--site-section-space);
    background-color: var(--site-paper);
}

:is(#home_quote, #contact_form_section) .site-form-section__shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(40px, 5vw, 72px);
    /* Imprescindible para que la introducción pueda quedarse pegada: con el
       valor por defecto, stretch, la columna mide lo mismo que la fila y no
       le queda recorrido para desplazarse. */
    align-items: start;
}

/* Introducción */

:is(#home_quote, #contact_form_section) .site-form-section__intro {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
}

:is(#home_quote, #contact_form_section) .site-form-section__title {
    max-width: 20ch;
    color: var(--site-ink-900);
}

:is(#home_quote, #contact_form_section) .site-form-section__description {
    max-width: 48ch;
    color: var(--site-ink-700);
    font-size: 1.0625rem;
}

/* Lista de garantías */

:is(#home_quote, #contact_form_section) .site-form-section__notes {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-3);
    margin-top: var(--site-space-3);
    padding-top: var(--site-space-5);
    border-top: 1px solid var(--site-line);
}

:is(#home_quote, #contact_form_section) .site-form-section__note {
    display: flex;
    align-items: center;
    gap: var(--site-space-3);
    color: var(--site-ink-900);
    font-size: 0.9375rem;
    font-weight: 500;
}

:is(#home_quote, #contact_form_section) .site-form-section__note-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    color: var(--site-blue-500);
}

/* Tarjeta del formulario */

:is(#home_quote, #contact_form_section) .site-form-section__form {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--site-space-5);
    padding: clamp(24px, 3.5vw, 44px);
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-large);
    background-color: var(--site-surface);
    box-shadow: var(--site-shadow-soft);
}

:is(#home_quote, #contact_form_section) .site-form-section__submit {
    width: 100%;
}

/* Responsive de la sección */

@media (min-width: 620px) {
    :is(#home_quote, #contact_form_section) .site-form-section__form {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Los campos anchos, el aviso, el consentimiento y los elementos de
       cierre ocupan la fila completa. */
    :is(#home_quote, #contact_form_section) .site-form-section__field--wide,
    :is(#home_quote, #contact_form_section) .site-form-section__privacy,
    :is(#home_quote, #contact_form_section) .site-form-section__consent-field,
    :is(#home_quote, #contact_form_section) .site-form-section__submit,
    :is(#home_quote, #contact_form_section) .site-form-section__message {
        grid-column: 1 / -1;
    }

    :is(#home_quote, #contact_form_section) .site-form-section__submit {
        justify-self: start;
        width: auto;
    }
}

@media (min-width: 1024px) {
    :is(#home_quote, #contact_form_section) .site-form-section__shell {
        grid-template-columns: 0.85fr 1.15fr;
    }

    /* El formulario es mucho más alto que su introducción: sin esto, el
       título se queda arriba y el usuario rellena los últimos campos
       mirando una columna vacía. El desplazamiento se detiene por debajo
       de la cabecera fija. */
    :is(#home_quote, #contact_form_section) .site-form-section__intro {
        position: sticky;
        top: calc(var(--site-header-height) + var(--site-space-5));
    }
}

/* --- 5.10 Documento legal -----------------------------------------------
   Cuerpo compartido por el aviso legal, la política de privacidad y la
   política de cookies: índice lateral fijo, artículo, tablas de datos y
   avisos destacados. Las tres páginas comparten la misma estructura, así
   que el componente vive aquí y cada hoja de página solo aporta su bloque
   exclusivo.
   ---------------------------------------------------------------------- */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) {
    padding-block: var(--site-section-space);
    background-color: var(--site-surface);
}

/* 5.9.1 Contenedor y rejilla */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
}

/* 5.9.2 Columna lateral */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__aside {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-6);
}

/* Ficha con la fecha de actualización y la norma que ampara el documento. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__meta {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
    padding: var(--site-space-5);
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-medium);
    background-color: var(--site-paper);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__meta-row {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-1);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__meta-term {
    color: var(--site-ink-500);
    font-family: var(--site-font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    line-height: 1.4;
    text-transform: uppercase;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__meta-value {
    color: var(--site-ink-900);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
}

/* 5.9.3 Índice del documento */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__index {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
}

/* Anula la capa display de los <h2> para que el índice no compita con los
   títulos del propio documento. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__index-title {
    color: var(--site-ink-500);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    line-height: 1.4;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__index-list {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-1);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__index-link {
    display: block;
    padding: var(--site-space-2) var(--site-space-4);
    border-left: 2px solid var(--site-line);
    color: var(--site-ink-700);
    font-size: 0.875rem;
    line-height: 1.45;
    text-decoration: none;
    transition:
        border-left-color var(--site-duration-fast) var(--site-ease-out),
        background-color var(--site-duration-fast) var(--site-ease-out),
        color var(--site-duration-fast) var(--site-ease-out);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__index-link:hover {
    border-left-color: var(--site-blue-500);
    background-color: var(--site-blue-50);
    color: var(--site-blue-600);
}

/* 5.9.4 Artículo */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__doc {
    display: flex;
    flex-direction: column;
    gap: clamp(40px, 4.5vw, 64px);
    max-width: 74ch;
    /* Sin esto la columna hereda min-width:auto y la tabla, que declara un
       ancho mínimo propio, ensancha la rejilla y desborda el viewport en
       móvil en lugar de desplazarse dentro de su contenedor. */
    min-width: 0;
}

/* Entradilla del documento: la usan la página de protección de datos y la
   declaración de accesibilidad, que abren con un párrafo de compromiso antes
   del primer bloque numerado. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__lead {
    max-width: 62ch;
    color: var(--site-ink-900);
    font-size: clamp(1.125rem, 1.8vw, 1.3125rem);
    font-weight: 500;
    line-height: 1.5;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__block {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__block-number {
    color: var(--site-blue-500);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    line-height: 1;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__block-title {
    color: var(--site-ink-900);
    font-size: clamp(1.5rem, 2.6vw, 2rem);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__subtitle {
    color: var(--site-ink-900);
    font-family: var(--site-font-body);
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.4;
    text-transform: none;
}

/* 5.9.5 Textos y listas */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__text {
    color: var(--site-ink-700);
    font-size: 1.0625rem;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__text a {
    color: var(--site-blue-600);
    overflow-wrap: anywhere;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__text a:hover {
    color: var(--site-blue-500);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__list {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-3);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__list-item {
    display: flex;
    gap: var(--site-space-4);
    color: var(--site-ink-700);
    font-size: 1rem;
}

/* Guion azul en lugar de viñeta: el reset ya quitó list-style. El desplome
   vertical alinea la marca con la primera línea del texto. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__list-item::before {
    content: "";
    flex: 0 0 14px;
    height: 2px;
    margin-top: 0.72em;
    background-color: var(--site-blue-500);
}

/* 5.9.6 Aviso destacado */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__note {
    display: flex;
    align-items: flex-start;
    gap: var(--site-space-4);
    padding: clamp(20px, 2.5vw, 28px);
    border-left: 3px solid var(--site-blue-500);
    border-radius: var(--site-radius-small);
    background-color: var(--site-blue-50);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__note-icon {
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    margin-top: 2px;
    color: var(--site-blue-500);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__note-text {
    color: var(--site-ink-700);
    font-size: 0.9375rem;
}

/* 5.9.7 Tablas de datos */

/* El contenedor es enfocable con teclado para poder desplazar la tabla sin
   ratón cuando no cabe a lo ancho. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table-wrap {
    min-width: 0;
    overflow-x: auto;
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-medium);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table {
    width: 100%;
    min-width: 560px;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table-caption {
    padding: var(--site-space-4);
    border-bottom: 1px solid var(--site-line);
    background-color: var(--site-paper);
    color: var(--site-ink-500);
    font-family: var(--site-font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    text-align: left;
    text-transform: uppercase;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table-heading {
    padding: var(--site-space-4);
    border-bottom: 1px solid var(--site-line);
    color: var(--site-ink-900);
    font-family: var(--site-font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-align: left;
    text-transform: uppercase;
    vertical-align: bottom;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table-row-title {
    padding: var(--site-space-4);
    border-top: 1px solid var(--site-line);
    color: var(--site-ink-900);
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: left;
    vertical-align: top;
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__table-cell {
    padding: var(--site-space-4);
    border-top: 1px solid var(--site-line);
    color: var(--site-ink-700);
    font-size: 0.9375rem;
    vertical-align: top;
}

/* 5.9.8 Cierre con enlace a contacto */

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--site-space-4);
    padding: clamp(28px, 3.5vw, 44px);
    border-radius: var(--site-radius-large);
    background-color: var(--site-night-900);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact-title {
    color: var(--site-ink-on-dark);
    font-size: clamp(1.5rem, 2.6vw, 2rem);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact-text {
    max-width: 52ch;
    color: var(--site-ink-muted-dark);
    font-size: 1rem;
}

/* Sobre el fondo oscuro de la tarjeta, el botón principal se invierte a
   blanco para no camuflarse con el azul corporativo. */
:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact .site-button--primary {
    background-color: var(--site-surface);
    border-color: var(--site-surface);
    color: var(--site-blue-600);
}

:is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact .site-button--primary:hover {
    background-color: var(--site-blue-500);
    border-color: var(--site-blue-500);
    color: var(--site-ink-on-dark);
}

/* 5.9.9 Responsive del documento legal */

@media (min-width: 1024px) {
    :is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__shell {
        /* minmax(0, 1fr) y no 1fr: la segunda pista debe poder encogerse por
           debajo del contenido mínimo de la tabla. */
        grid-template-columns: 290px minmax(0, 1fr);
        gap: clamp(48px, 5vw, 88px);
    }

    /* El índice acompaña la lectura del documento, que es largo. */
    :is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__aside {
        position: sticky;
        top: calc(var(--site-header-height) + var(--site-space-5));
    }
}

@media (max-width: 519px) {
    :is(#legal_content, #privacy_content, #cookies_content,
    #dataprotection_content, #accessibility_content) .site-legal__contact .site-button {
        width: 100%;
    }
}

/* ==========================================================================
   6. CABECERA — #site_header
   ========================================================================== */

#site_header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    /* Arranca transparente sobre el héroe y se opaca al hacer scroll. */
    background-color: transparent;
    transition:
        background-color var(--site-duration-medium) var(--site-ease-out),
        box-shadow var(--site-duration-medium) var(--site-ease-out);
}

/* Estado sólido, lo activa assets/js/global.js al desplazar la página. */
#site_header.is-scrolled {
    background-color: rgba(11, 18, 32, 0.92);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
}

/* 6.1 Contenedor */

#site_header .site-header__shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--site-space-5);
    min-height: var(--site-header-height);
}

/* 6.2 Logotipo (wordmark, el cliente no dispone de logo) */

#site_header .site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--site-space-3);
    flex: 0 0 auto;
    text-decoration: none;
}

#site_header .site-header__logo-mark {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    color: var(--site-blue-500);
}

#site_header .site-header__logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

#site_header .site-header__logo-name {
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-display);
    font-size: 1.375rem;
    font-weight: 900;
    line-height: 0.9;
    text-transform: uppercase;
}

#site_header .site-header__logo-tag {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.5625rem;
    letter-spacing: 0.26em;
    line-height: 1;
    text-transform: uppercase;
}

/* 6.3 Navegación de escritorio */

#site_header .site-header__nav {
    display: none;
}

#site_header .site-header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--site-space-6);
}

#site_header .site-header__nav-link {
    position: relative;
    display: block;
    padding-block: var(--site-space-2);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-mono);
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
}

/* Subrayado animado del enlace. */
#site_header .site-header__nav-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background-color: var(--site-blue-500);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--site-duration-medium) var(--site-ease-out);
}

#site_header .site-header__nav-link:hover::after,
#site_header .site-header__nav-link[aria-current="page"]::after {
    transform: scaleX(1);
}

#site_header .site-header__nav-link[aria-current="page"] {
    color: var(--site-blue-100);
}

/* 6.4 Acciones de la derecha */

#site_header .site-header__actions {
    position: relative;
    /* Por encima del panel (110), para que el botón de cierre siga visible
       y pulsable cuando el menú está desplegado. */
    z-index: 120;
    display: flex;
    align-items: center;
    gap: var(--site-space-4);
    flex: 0 0 auto;
}

/* Contacto por WhatsApp: contorno blanco sobre la cabecera oscura que se
   invierte a fondo blanco con tipografía e icono en azul corporativo. */
#site_header .site-header__whatsapp {
    display: none;
    align-items: center;
    gap: var(--site-space-3);
    min-height: 46px;
    padding-inline: var(--site-space-5);
    border: 1px solid var(--site-ink-on-dark);
    border-radius: var(--site-radius-pill);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-mono);
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    text-decoration: none;
    transition:
        background-color var(--site-duration-fast) var(--site-ease-out),
        color var(--site-duration-fast) var(--site-ease-out);
}

#site_header .site-header__whatsapp-icon {
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
    /* Hereda el color del enlace para acompañar la inversión del hover. */
    color: currentColor;
}

#site_header .site-header__whatsapp:hover {
    background-color: var(--site-ink-on-dark);
    color: var(--site-blue-500);
}

/* 6.5 Botón hamburguesa */

#site_header .site-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--site-radius-pill);
    background-color: transparent;
    cursor: pointer;
    transition:
        background-color var(--site-duration-fast) var(--site-ease-out),
        border-color var(--site-duration-fast) var(--site-ease-out);
}

#site_header .site-header__toggle:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.5);
}

#site_header .site-header__toggle-bars {
    position: relative;
    width: 20px;
    height: 12px;
    flex: 0 0 20px;
}

#site_header .site-header__toggle-bar {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--site-ink-on-dark);
    transition:
        transform var(--site-duration-medium) var(--site-ease-out),
        opacity var(--site-duration-fast) var(--site-ease-out);
}

#site_header .site-header__toggle-bar:nth-child(1) {
    top: 0;
}

#site_header .site-header__toggle-bar:nth-child(2) {
    top: 5px;
}

#site_header .site-header__toggle-bar:nth-child(3) {
    top: 10px;
}

/* Hamburguesa convertida en equis mientras el panel está abierto. */
#site_header .site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

#site_header .site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
    opacity: 0;
}

#site_header .site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

/* 6.6 Barra de progreso de lectura */

#site_header .site-header__progress {
    height: 2px;
    background-color: var(--site-blue-500);
    /* assets/js/animations.js escala este valor con el scroll. */
    transform: scaleX(0);
    transform-origin: left center;
}

/* 6.7 Panel del menú móvil */

#site_header .site-header__panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    gap: var(--site-space-7);
    width: min(88vw, 400px);
    /* El relleno superior deja libre la franja de la cabecera, para que los
       enlaces no queden debajo del botón de cierre. */
    padding: calc(var(--site-header-height) + var(--site-space-5)) var(--site-gutter) var(--site-space-7);
    background-color: var(--site-night-900);
    border-left: 1px solid var(--site-night-700);
    overflow-y: auto;
    /* Oculto por defecto; menu-mobile.js alterna el atributo hidden. */
    transform: translateX(100%);
    transition: transform var(--site-duration-medium) var(--site-ease-out);
}

#site_header .site-header__panel[hidden] {
    display: none;
}

#site_header .site-header__panel.is-open {
    transform: translateX(0);
}

#site_header .site-header__panel-list {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-2);
}

#site_header .site-header__panel-link {
    display: block;
    padding-block: var(--site-space-3);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-display);
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    text-transform: uppercase;
}

#site_header .site-header__panel-link:hover,
#site_header .site-header__panel-link[aria-current="page"] {
    color: var(--site-blue-500);
}

#site_header .site-header__panel-contact {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-3);
    padding-top: var(--site-space-6);
    border-top: 1px solid var(--site-night-700);
}

#site_header .site-header__panel-contact-link {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.875rem;
    text-decoration: none;
    overflow-wrap: anywhere;
}

#site_header .site-header__panel-contact-link:hover {
    color: var(--site-ink-on-dark);
}

/* 6.8 Velo tras el panel */

#site_header .site-header__overlay {
    position: fixed;
    inset: 0;
    z-index: 105;
    background-color: rgba(11, 18, 32, 0.6);
    backdrop-filter: blur(2px);
    border: 0;
    padding: 0;
    cursor: pointer;
}

#site_header .site-header__overlay[hidden] {
    display: none;
}

/* 6.9 Responsive de la cabecera */

@media (min-width: 1024px) {
    #site_header .site-header__nav {
        display: block;
    }

    #site_header .site-header__whatsapp {
        display: inline-flex;
    }

    #site_header .site-header__toggle {
        display: none;
    }
}

/* ==========================================================================
   7. PIE — #site_footer
   ========================================================================== */

#site_footer {
    width: 100%;
    background-color: var(--site-night-900);
    color: var(--site-ink-muted-dark);
}

/* 7.1 Contenedor y rejilla */

#site_footer .site-footer__shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--site-space-7);
    padding-block: clamp(56px, 7vw, 88px) var(--site-space-7);
}

/* 7.2 Columna de marca */

#site_footer .site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
    max-width: 42ch;
}

#site_footer .site-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--site-space-3);
    text-decoration: none;
}

#site_footer .site-footer__logo-mark {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    color: var(--site-blue-500);
}

#site_footer .site-footer__logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

#site_footer .site-footer__logo-name {
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-display);
    font-size: 1.5rem;
    font-weight: 900;
    line-height: 0.9;
    text-transform: uppercase;
}

#site_footer .site-footer__logo-tag {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.26em;
    line-height: 1;
    text-transform: uppercase;
}

#site_footer .site-footer__tagline {
    color: var(--site-ink-muted-dark);
    font-size: 0.9375rem;
}

/* 7.3 Columnas de enlaces y datos */

#site_footer .site-footer__column-title {
    margin-bottom: var(--site-space-4);
    color: var(--site-ink-on-dark);
    font-family: var(--site-font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

#site_footer .site-footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-3);
}

/* Enlaces y datos sin enlace comparten la misma tipografía de lista. */
#site_footer :is(.site-footer__link, .site-footer__contact-text) {
    color: var(--site-ink-muted-dark);
    font-size: 0.9375rem;
    text-decoration: none;
    overflow-wrap: anywhere;
}

#site_footer .site-footer__link:hover {
    color: var(--site-ink-on-dark);
}

#site_footer .site-footer__contact-row {
    display: flex;
    align-items: center;
    gap: var(--site-space-3);
}

/* Disco azul que enmarca cada icono de la lista de contacto. */
#site_footer .site-footer__contact-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: var(--site-radius-pill);
    background-color: rgba(31, 95, 255, 0.16);
    color: var(--site-blue-500);
}

#site_footer .site-footer__contact-icon {
    width: 17px;
    height: 17px;
}

/* 7.4 Barra inferior */

#site_footer .site-footer__bottom {
    border-top: 1px solid var(--site-night-700);
}

#site_footer .site-footer__bottom-shell {
    display: flex;
    flex-direction: column;
    gap: var(--site-space-4);
    padding-block: var(--site-space-5);
}

#site_footer .site-footer__copyright {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
}

#site_footer .site-footer__legal-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--site-space-2) var(--site-space-5);
}

#site_footer .site-footer__legal-link {
    color: var(--site-ink-muted-dark);
    font-family: var(--site-font-mono);
    font-size: 0.75rem;
    text-decoration: none;
}

#site_footer .site-footer__legal-link:hover {
    color: var(--site-ink-on-dark);
}

/* 7.5 Responsive del pie */

@media (min-width: 768px) {
    #site_footer .site-footer__shell {
        grid-template-columns: repeat(2, 1fr);
    }

    #site_footer .site-footer__bottom-shell {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    #site_footer .site-footer__shell {
        grid-template-columns: 1.6fr 1fr 1.2fr;
    }
}

/* ==========================================================================
   8. BOTÓN FLOTANTE DE WHATSAPP — #whatsapp_float
   ========================================================================== */

#whatsapp_float {
    position: fixed;
    /* Respeta el área segura de los móviles con gesto inferior. */
    right: calc(var(--site-space-5) + env(safe-area-inset-right, 0px));
    bottom: calc(var(--site-space-5) + env(safe-area-inset-bottom, 0px));
    /* Por debajo de la cabecera (100) y de su velo (105). */
    z-index: 95;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: var(--site-radius-pill);
    background-color: var(--site-whatsapp-500);
    color: var(--site-ink-on-dark);
    box-shadow: var(--site-shadow-raised);
    text-decoration: none;
    transition:
        background-color var(--site-duration-fast) var(--site-ease-out),
        transform var(--site-duration-fast) var(--site-ease-out);
}

#whatsapp_float .whatsapp-float__icon {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
}

#whatsapp_float:hover {
    background-color: var(--site-whatsapp-600);
    transform: translateY(-2px) scale(1.04);
}

/* ==========================================================================
   9. ACCESIBILIDAD Y ANIMACIÓN
   ========================================================================== */

/* Foco visible homogéneo en todo el sitio. */
:focus-visible {
    outline: 3px solid var(--site-blue-500);
    outline-offset: 3px;
}

/* Estado inicial de los elementos animados por GSAP.
   Solo se aplica cuando animations.js confirma que GSAP está disponible,
   de modo que sin JavaScript el contenido se ve siempre. */
.js-motion [data-reveal] {
    opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    /* Con movimiento reducido no se oculta nada a la espera de animación. */
    .js-motion [data-reveal] {
        opacity: 1;
    }
}