/* ==========================================================================
   ickk — estilos de la web (Bootstrap 5.3 + tokens propios)
   Mismo sistema de diseño que wikitel.org y buenascuentas.es (tema claro/oscuro,
   cabecera translúcida, tarjetas, avisos), con una paleta cálida: verde azulado
   tranquilo, melocotón de acento y fondos crema.
   ========================================================================== */

:root,
[data-bs-theme="light"] {
    --ik-primary: #1f6f68;
    --ik-primary-rgb: 31, 111, 104;
    --ik-primary-dark: #175a54;
    --ik-accent: #f6a96b;
    --ik-accent-rgb: 246, 169, 107;
    --ik-deep: #12403c;
    --ik-deep-2: #1a5650;
    --ik-surface: #fffdf9;
    --ik-surface-2: #f7f3ec;
    --ik-border: rgba(18, 64, 60, 0.1);
    --ik-shadow-sm: 0 1px 2px rgba(18, 64, 60, 0.06), 0 1px 3px rgba(18, 64, 60, 0.08);
    --ik-shadow: 0 10px 30px -12px rgba(18, 64, 60, 0.25);
    --ik-radius: 1.25rem;
    --ik-radius-sm: 0.75rem;

    --bs-primary: var(--ik-primary);
    --bs-primary-rgb: var(--ik-primary-rgb);
    --bs-link-color: var(--ik-primary);
    --bs-link-color-rgb: var(--ik-primary-rgb);
    --bs-link-hover-color: var(--ik-primary-dark);
    --bs-link-hover-color-rgb: 23, 90, 84;
    --bs-body-bg: var(--ik-surface-2);
    --bs-body-color: #23302f;
    --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif;
    --bs-border-radius: 0.6rem;
    --bs-border-radius-lg: 0.8rem;
    --bs-focus-ring-color: rgba(var(--ik-primary-rgb), 0.25);
}

[data-bs-theme="dark"] {
    --ik-primary: #5cc8bd;
    --ik-primary-rgb: 92, 200, 189;
    --ik-primary-dark: #8adbd2;
    --ik-accent: #f8b47e;
    --ik-accent-rgb: 248, 180, 126;
    --ik-surface: #13211f;
    --ik-surface-2: #0b1514;
    --ik-border: rgba(255, 255, 255, 0.09);
    --ik-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --ik-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.6);

    --bs-body-bg: var(--ik-surface-2);
    --bs-body-color: #d9e4e2;
    --bs-secondary-color: rgba(217, 228, 226, 0.72);
    --bs-tertiary-bg: #182a28;
    --bs-link-hover-color-rgb: 138, 219, 210;
    color-scheme: dark;
}

[v-cloak] {
    visibility: hidden;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1 0 auto;
}

h1, h2, h3, h4, .h1, .h2, .h3, .h4 {
    font-weight: 700;
    letter-spacing: -0.015em;
}

.skip-link {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 1100;
    background: var(--ik-surface);
    padding: 0.5rem 1rem;
    border-radius: var(--ik-radius-sm);
}

/* Botones ------------------------------------------------------------------ */
.btn-primary {
    --bs-btn-bg: var(--ik-primary);
    --bs-btn-border-color: var(--ik-primary);
    --bs-btn-hover-bg: var(--ik-primary-dark);
    --bs-btn-hover-border-color: var(--ik-primary-dark);
    --bs-btn-active-bg: var(--ik-primary-dark);
    --bs-btn-active-border-color: var(--ik-primary-dark);
}

.btn-outline-primary {
    --bs-btn-color: var(--ik-primary);
    --bs-btn-border-color: var(--ik-primary);
    --bs-btn-hover-bg: var(--ik-primary);
    --bs-btn-hover-border-color: var(--ik-primary);
    --bs-btn-active-bg: var(--ik-primary);
    --bs-btn-active-border-color: var(--ik-primary);
}

[data-bs-theme="dark"] .btn-primary,
[data-bs-theme="dark"] .btn-outline-primary {
    --bs-btn-hover-color: #06201d;
    --bs-btn-active-color: #06201d;
}

[data-bs-theme="dark"] .btn-primary {
    --bs-btn-color: #06201d;
}

/* El melocotón no llega al 4,5:1 con texto blanco: texto oscuro encima. */
.btn-accent {
    --bs-btn-color: #3a1d05;
    --bs-btn-bg: var(--ik-accent);
    --bs-btn-border-color: var(--ik-accent);
    --bs-btn-hover-color: #3a1d05;
    --bs-btn-hover-bg: #f19650;
    --bs-btn-hover-border-color: #f19650;
    --bs-btn-active-color: #3a1d05;
    --bs-btn-active-bg: #f19650;
    --bs-btn-active-border-color: #f19650;
    --bs-btn-focus-shadow-rgb: var(--ik-accent-rgb);
    font-weight: 600;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 0;
    color: var(--bs-body-color);
    background: transparent;
}

.btn-icon:hover,
.btn-icon:focus-visible {
    background: rgba(var(--ik-primary-rgb), 0.1);
    color: var(--ik-primary);
}

/* Un .btn sin variante no tiene anillo de foco: --bs-btn-focus-shadow-rgb va vacío. */
.btn-icon:focus-visible {
    box-shadow: 0 0 0 0.25rem var(--bs-focus-ring-color);
}

/* Cabecera / navegación ------------------------------------------------------ */
.site-header {
    background: color-mix(in srgb, var(--ik-surface) 85%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--ik-border);
    transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: var(--ik-shadow-sm);
}

.site-header .navbar {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

.brand-word {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    color: var(--bs-body-color);
}

.site-header .nav-link {
    font-weight: 500;
    padding-left: 0.8rem !important;
    padding-right: 0.8rem !important;
    border-radius: 999px;
    color: var(--bs-body-color);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.site-header .nav-link i {
    color: var(--ik-primary);
}

/* Entre 992 y 1199 px el menú va en una línea y no caben los iconos. */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .site-header .navbar-nav .nav-link {
        padding-left: 0.55rem !important;
        padding-right: 0.55rem !important;
    }

    .site-header .navbar-nav .nav-link > i {
        display: none;
    }
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible {
    color: var(--ik-primary);
}

.site-header .nav-link:focus-visible {
    box-shadow: 0 0 0 0.25rem var(--bs-focus-ring-color);
}

.site-header .nav-link.active {
    color: var(--ik-primary-dark);
    background: rgba(var(--ik-primary-rgb), 0.1);
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 0.5rem 0 1rem;
    }
}

/* Patrón de fondo: burbujas suaves ----------------------------------------- */
.hero,
.page-header {
    --ik-pattern: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='20' cy='24' r='10'/%3E%3Ccircle cx='86' cy='16' r='5'/%3E%3Ccircle cx='70' cy='78' r='16'/%3E%3Ccircle cx='14' cy='98' r='6'/%3E%3C/g%3E%3C/svg%3E");
    position: relative;
    color: #fff;
    background:
        var(--ik-pattern),
        linear-gradient(120deg, var(--ik-deep) 0%, var(--ik-deep-2) 60%, #23766d 100%);
}

/* Hero de portada ------------------------------------------------------------ */
.hero {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 1.25rem;
}

.hero-badge i {
    color: var(--ik-accent);
}

.hero-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-lead {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 36rem;
    margin-bottom: 2rem;
}

.hero-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 2rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-chip {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.1rem;
    border-radius: var(--ik-radius);
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

.hero-chip i {
    font-size: 1.6rem;
    color: var(--ik-accent);
}

/* Cabecera de páginas interiores ------------------------------------------- */
.page-header {
    padding: 2rem 0 2.25rem;
}

.page-header .breadcrumb {
    --bs-breadcrumb-divider-color: rgba(255, 255, 255, 0.5);
    --bs-breadcrumb-item-active-color: rgba(255, 255, 255, 0.78);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.page-header .breadcrumb a,
.page-header .breadcrumb-item {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
}

.page-header .breadcrumb a:hover {
    color: #fff;
}

.page-header-icon {
    flex: 0 0 auto;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--ik-accent);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-header-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    margin: 0;
}

.page-header-lead {
    margin: 0.35rem 0 0;
    max-width: 46rem;
    color: rgba(255, 255, 255, 0.82);
}

/* Secciones ---------------------------------------------------------------- */
.section {
    padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-sm {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.section-alt {
    background: var(--ik-surface);
    border-top: 1px solid var(--ik-border);
    border-bottom: 1px solid var(--ik-border);
}

.section-heading {
    max-width: 40rem;
    margin: 0 auto 2.5rem;
}

.section-heading h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.section-heading p {
    color: var(--bs-secondary-color);
    font-size: 1.05rem;
}

/* Tarjetas de sección (portada) y de artículo ------------------------------- */
.category-card,
.article-card {
    position: relative;
    display: flex;
    height: 100%;
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px solid var(--ik-border);
    box-shadow: var(--ik-shadow-sm);
    color: var(--bs-body-color);
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.category-card:hover,
.category-card:focus-visible,
.article-card:hover,
.article-card:focus-visible {
    transform: translateY(-3px);
    box-shadow: var(--ik-shadow);
    border-color: rgba(var(--ik-primary-rgb), 0.45);
    color: var(--bs-body-color);
}

@media (prefers-reduced-motion: reduce) {
    .category-card,
    .article-card {
        transition: none;
    }

    .category-card:hover,
    .article-card:hover {
        transform: none;
    }
}

.category-card {
    gap: 1rem;
    align-items: flex-start;
    padding: 1.35rem;
}

.category-card-icon,
.article-card-icon {
    flex: 0 0 auto;
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--ik-primary);
    background: rgba(var(--ik-primary-rgb), 0.1);
}

.category-card-title,
.article-card-title {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.category-card-text,
.article-card-text {
    display: block;
    font-size: 0.92rem;
    color: var(--bs-secondary-color);
}

.article-card {
    flex-direction: column;
    padding: 1.35rem;
}

.article-card-icon {
    margin-bottom: 1rem;
}

.article-card-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ik-primary-dark);
    margin-bottom: 0.35rem;
}

.article-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    margin-top: auto;
    padding-top: 1rem;
    font-size: 0.82rem;
    color: var(--bs-secondary-color);
}

.article-card-meta i {
    margin-right: 0.3rem;
}

.empty-state {
    max-width: 30rem;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px dashed var(--ik-border);
}

.empty-state > i {
    font-size: 2.2rem;
    color: var(--ik-primary);
}

.empty-state p {
    color: var(--bs-secondary-color);
}

/* Artículo ----------------------------------------------------------------- */
.articulo {
    font-size: 1.075rem;
    line-height: 1.7;
}

.articulo-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    font-size: 0.9rem;
    color: var(--bs-secondary-color);
    margin-bottom: 1.5rem;
}

.articulo-meta i {
    margin-right: 0.4rem;
    color: var(--ik-primary);
}

.articulo-resumen {
    padding: 1.35rem 1.5rem;
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px solid var(--ik-border);
    border-left: 4px solid var(--ik-accent);
    box-shadow: var(--ik-shadow-sm);
    margin-bottom: 2rem;
}

.articulo-resumen-titulo {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ik-primary-dark);
    margin-bottom: 0.75rem;
}

.articulo-resumen-titulo i {
    margin-right: 0.4rem;
}

.articulo-resumen ul {
    margin: 0;
    padding-left: 1.2rem;
}

.articulo-resumen li + li {
    margin-top: 0.4rem;
}

.articulo-cuerpo h2 {
    font-size: 1.5rem;
    margin: 2.25rem 0 0.85rem;
    scroll-margin-top: 5.5rem;
}

.articulo-cuerpo > p,
.articulo-cuerpo > ul {
    margin-bottom: 1.1rem;
}

.articulo-cuerpo li + li {
    margin-top: 0.35rem;
}

.articulo-tabla {
    --bs-table-bg: var(--ik-surface);
    font-size: 0.95rem;
    border-radius: var(--ik-radius-sm);
    overflow: hidden;
    border: 1px solid var(--ik-border);
}

.articulo-tabla thead th {
    background: rgba(var(--ik-primary-rgb), 0.1);
    color: var(--ik-primary-dark);
}

.articulo-indice {
    position: sticky;
    top: 5.5rem;
    padding: 1.25rem 1.35rem;
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px solid var(--ik-border);
}

.articulo-indice-titulo {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    margin-bottom: 0.75rem;
}

.articulo-indice a {
    display: block;
    padding: 0.35rem 0.75rem;
    border-left: 2px solid var(--ik-border);
    color: var(--bs-body-color);
    text-decoration: none;
    font-size: 0.92rem;
}

.articulo-indice a:hover,
.articulo-indice a[aria-current] {
    color: var(--ik-primary);
    border-left-color: var(--ik-primary);
}

@media (max-width: 991.98px) {
    /* En móvil el índice va al final y no se queda fijo. */
    .articulo-indice {
        position: static;
    }
}

/* Avisos (consejo / cuándo consultar) --------------------------------------- */
.callout {
    display: flex;
    gap: 1rem;
    padding: 1.15rem 1.35rem;
    border-radius: var(--ik-radius);
    border: 1px solid var(--callout-border);
    background: var(--callout-bg);
    margin: 1.75rem 0;
}

.callout ul {
    padding-left: 1.1rem;
}

.callout li + li {
    margin-top: 0.3rem;
}

.callout-icon {
    flex: 0 0 auto;
    font-size: 1.35rem;
    line-height: 1.3;
    color: var(--callout-color);
}

.callout-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--callout-color);
}

.callout-info {
    --callout-color: var(--ik-primary-dark);
    --callout-bg: rgba(var(--ik-primary-rgb), 0.06);
    --callout-border: rgba(var(--ik-primary-rgb), 0.2);
}

.callout-warning {
    --callout-color: #9a4a0c;
    --callout-bg: rgba(var(--ik-accent-rgb), 0.12);
    --callout-border: rgba(var(--ik-accent-rgb), 0.45);
}

[data-bs-theme="dark"] .callout-warning {
    --callout-color: #ffc28f;
}

.aviso-responsabilidad {
    align-items: flex-start;
    font-size: 0.9rem;
    margin-top: 2.5rem;
}

/* Pie ---------------------------------------------------------------------- */
.site-footer {
    background: var(--ik-deep);
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.92rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
}

.site-footer a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-links li + li {
    margin-top: 0.45rem;
}

.footer-aviso {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.85rem;
}

/* Textos legales (aviso legal y cookies) ------------------------------------- */
.texto-legal {
    max-width: 52rem;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px solid var(--ik-border);
    box-shadow: var(--ik-shadow-sm);
    line-height: 1.7;
}

.texto-legal h2 {
    font-size: 1.3rem;
    margin: 2rem 0 0.75rem;
}

.texto-legal h2:first-child {
    margin-top: 0;
}

.texto-legal li + li {
    margin-top: 0.3rem;
}

/* Calculadoras ------------------------------------------------------------- */
.calc {
    margin: 0 0 2.5rem;
    border-radius: var(--ik-radius);
    background: var(--ik-surface);
    border: 1px solid var(--ik-border);
    box-shadow: var(--ik-shadow-sm);
    overflow: hidden;
}

.calc-form {
    padding: 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
}

.calc-form .form-label,
.calc-form legend {
    font-weight: 600;
    font-size: 0.95rem;
}

.calc-opciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.calc-opciones .btn {
    border-radius: 999px;
    padding-left: 1rem;
    padding-right: 1rem;
}

[data-bs-theme="dark"] .calc-opciones .btn-check:checked + .btn {
    color: #06201d;
}

.calc-resultado {
    padding: 1.5rem;
    background: rgba(var(--ik-primary-rgb), 0.06);
    border-top: 1px solid var(--ik-border);
}

.calc-error {
    margin: 0;
    color: #b42318;
    font-weight: 600;
}

[data-bs-theme="dark"] .calc-error {
    color: #ff9c8f;
}

.calc-total {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0 0.5rem;
    margin-bottom: 1.25rem;
}

.calc-total-cifra {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ik-primary-dark);
}

.calc-total > span:not(.calc-total-cifra) {
    font-size: 1.15rem;
    font-weight: 600;
}

.calc-total-texto {
    flex-basis: 100%;
    font-weight: 400 !important;
    color: var(--bs-secondary-color);
}

.calc-tramos {
    margin: 0;
}

.calc-tramos li {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 1rem;
    padding: 0.85rem 0;
    border-top: 1px solid var(--ik-border);
    font-size: 0.98rem;
    line-height: 1.55;
}

.calc-tramos li + li {
    margin-top: 0;
}

.calc-tramo-semanas {
    font-weight: 700;
    color: var(--ik-primary-dark);
}

@media (max-width: 575.98px) {
    .calc-tramos li {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }
}

.calc-nota {
    margin: 1rem 0 0;
    font-size: 0.92rem;
    color: var(--bs-secondary-color);
}