/* Estilos compartidos: footer de 5 columnas y calculadora de ahorro.
   Se enlaza DESPUÉS del <style> inline de cada página. */

/* ===== TOKENS DE ACCESIBILIDAD ===== */
:root {
    /* Ritmo y espaciado: medidas únicas para todas las páginas */
    --section-y: clamp(64px, 8vw, 96px);  /* padding vertical de sección */
    --head-gap: clamp(32px, 4vw, 48px);   /* título → contenido, con o sin subtítulo */
    --measure: 56ch;                      /* ancho máximo de lectura: unos 68 caracteres por línea (el ch es el ancho de un dígito) */
    --color-verde-tinte: #E6EFEA;         /* fondo suave para chips, círculos de icono y tramos */
    --color-naranja-texto: #B5470B; /* naranja para TEXTO sobre fondo claro: 5,43:1 s/blanco */
    --color-borde-input: #7F8B85;   /* borde de campos: 3,54:1 s/blanco (WCAG 1.4.11) */
}

/* Los controles heredan la tipografía del sitio (por defecto salen en Arial) */
button, input, select, textarea {
    font: inherit;
}

/* Cifras lineales (por defecto Playfair usa números de estilo antiguo: «3o %») */
h1, h2, h3, h4 {
    font-variant-numeric: lining-nums;
}

/* Botón único: radio 12 px, altura mínima 48 px (56 px en los grandes) */
.btn-primary,
.btn-secondary,
.btn-submit,
.footer-join-btn,
.email-minimal-btn,
.newsletter-btn-centered {
    border-radius: 12px;
    min-height: 48px;
    box-sizing: border-box;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-large {
    min-height: 56px;
    border-radius: 12px;
}

/* Las imágenes con width/height (evitan saltos de maquetación) conservan su proporción */
:where(img[width][height]) {
    height: auto;
}

/* Iconos SVG de línea: heredan color y tamaño del texto que los rodea */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: -0.125em;
}

/* Texto solo para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Botón del menú móvil: mismo aspecto que el antiguo div, con área táctil de 44 px */
button.nav-toggle {
    background: none;
    border: 0;
    padding: 0;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

/* Aro de foco visible para teclado */
:focus-visible {
    outline: 3px solid var(--color-naranja-solar, #F47929);
    outline-offset: 2px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-verde-silos, #0B593F);
    color: var(--color-blanco-hueso, #F7F5EF);
    padding: 2rem 0 1rem;
    text-align: left;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer a:focus-visible {
    outline: 3px solid var(--color-naranja-solar, #F47929);
    outline-offset: 2px;
}

/* Fila 1: marca (izquierda) + datos legales (derecha) */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem 3rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(247, 245, 239, 0.18);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
    flex: 1 1 auto;
}

.footer-brand-row {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-logo-img {
    width: 200px;
    height: auto;
    max-width: 100%;
    display: block;
}

.footer-slogan {
    font-size: 0.82rem;
    font-style: italic;
    opacity: 0.92;
    line-height: 1.35;
    margin: 0;
}

.footer-socials {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.footer-socials a {
    color: rgba(247, 245, 239, 0.95);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(247, 245, 239, 0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
    background: var(--color-blanco-hueso, #F7F5EF);
    color: var(--color-verde-silos, #0B593F);
    border-color: var(--color-blanco-hueso, #F7F5EF);
}

.footer-legal {
    font-size: 0.8rem;
    line-height: 1.55;
    color: rgba(247, 245, 239, 0.92);
    text-align: right;
}

.footer-legal p {
    margin: 0 0 0.15rem;
}

.footer-legal-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.footer-link-email {
    color: var(--color-blanco-hueso, #F7F5EF);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-link-email:hover {
    color: #FFFFFF;
}

/* Fila 2: navegación + llamada a la acción */
.footer-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
    padding: 1.4rem 0;
    align-items: start;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.5rem;
}

.footer-col-title {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    margin: 0 0 0.7rem;
}

.footer-col-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-col-links a,
.footer-bottom-links a {
    color: rgba(247, 245, 239, 0.92);
    text-decoration: none;
    font-size: 0.85rem;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.footer-col-links a:hover,
.footer-bottom-links a:hover {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Fila 3: newsletter + NESOI+ */
.footer-secondary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 1.25rem 2rem;
    align-items: start;
    padding: 1.25rem 0;
    border-top: 1px solid rgba(247, 245, 239, 0.18);
}

.footer-secondary-single {
    grid-template-columns: minmax(0, 1fr);
}

.footer-block-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    margin: 0 0 0.6rem;
}

.footer-newsletter.email-minimal-container {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    padding: 1rem 1.15rem;
    margin: 0;
    max-width: none;
    overflow: visible;
}

.footer-newsletter .email-minimal-form {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.5rem;
}

.footer-newsletter .email-minimal-input {
    flex: 1 1 180px;
    width: auto;
    min-width: 0;
    border: 1px solid rgba(255, 255, 255, 0.25);
    font-size: 0.88rem;
    padding: 0.55rem 0.8rem;
}

.footer-newsletter .email-minimal-btn {
    background: transparent;
    color: #FFFFFF;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 0.55rem 1.1rem;
}

.footer-newsletter .email-minimal-btn:hover {
    border-color: #FFFFFF;
    background: #FFFFFF;
    color: var(--color-verde-silos, #0B593F);
}

.footer-newsletter .legal-checkbox-container {
    flex: 0 0 100%;
    color: rgba(247, 245, 239, 0.92);
    font-size: 0.75rem;
    margin-top: 0.15rem;
}

.footer-newsletter .legal-checkbox-link {
    color: #FFFFFF;
}

.footer-newsletter .legal-first-layer {
    color: rgba(247, 245, 239, 0.8);
    border-top-color: rgba(255, 255, 255, 0.18);
    font-size: 0.68rem;
    line-height: 1.35;
    margin-top: 0.35rem;
    padding-top: 0.35rem;
}

.footer-newsletter .email-msg.success-text {
    color: #FFFFFF;
}

.footer-newsletter .email-msg.error {
    color: #FFD3B8;
}

.footer-nesoi-logos {
    --lh: 1;
    background: #FFFFFF;
    border-radius: 10px;
    padding: 0.6rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem 1.25rem;
}


.footer-nesoi-text {
    font-size: 0.74rem;
    line-height: 1.45;
    color: rgba(247, 245, 239, 0.9);
    margin: 0.55rem 0 0;
}

/* Fila 4: legal */
.footer-bottom {
    margin-top: 0.25rem;
    border-top: 1px solid rgba(247, 245, 239, 0.18);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-size: 0.78rem;
    color: rgba(247, 245, 239, 0.88);
}

.footer-bottom-links {
    display: flex;
    gap: 0.4rem 1.5rem;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    font-size: 0.78rem;
}

.footer-copyright {
    margin: 0;
}

@media (max-width: 1099px) {
    .footer-nav {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .footer-secondary {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 767px) {
    .footer {
        padding-top: 2rem;
    }
    .footer-top {
        flex-direction: column;
    }
    .footer-legal {
        text-align: left;
    }
    .footer-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem 1rem;
    }
    .footer-nesoi-logos {
        justify-content: center;
    }
    .footer-nesoi-logos {
        --lh: 0.85;
    }
}

/* ===== CALCULADORA DE AHORRO ===== */
.calc-container {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.calc-container .form-group {
    margin-bottom: 1.5rem;
}

.calc-container .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.calc-container .form-input {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--color-borde-input);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.calc-container .form-input:focus {
    border-color: var(--primary);
}

.calc-result-box {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.calc-result-value {
    display: block;
    font-family: 'Inter', sans-serif; font-variant-numeric: tabular-nums;
    font-size: clamp(1.75rem, 8vw, 2.5rem);
    white-space: nowrap;
    font-weight: 700;
    color: var(--color-verde-silos);
    margin: 1rem 0;
}

.calc-disclaimer {
    font-size: 0.8rem;
    color: var(--neutral);
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .calc-container {
        padding: 1.5rem;
    }
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-join-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: var(--color-naranja-solar, #F47929);
    color: var(--color-grafito, #242A28);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.footer-join-btn:hover,
.footer-join-btn:focus-visible {
    background: #FFFFFF;
    color: var(--color-verde-silos, #0B593F);
    transform: translateY(-2px);
}

/* Logos NESOI+: recortados al contenido y con altura ajustada para igualar el peso visual */
.nl {
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}
.nl-ue { height: calc(var(--lh, 1) * 40px); }
.nl-nesoi { height: calc(var(--lh, 1) * 42px); }
.nl-ce { height: calc(var(--lh, 1) * 38px); }
.nl-ayto { height: calc(var(--lh, 1) * 44px); }


/* ===== TIPOGRAFÍA: escala única de títulos =====
   H1 página 52px · H2 sección 36px · H3 subsección 24px · H4 tarjeta 20px (en escritorio; fluido en móvil) */
:root {
    --fs-h1: clamp(2.25rem, 1.5rem + 2.4vw, 3.25rem);
    --fs-h2: clamp(1.75rem, 1.3rem + 1.4vw, 2.25rem);
    --fs-h3: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
    --fs-h4: 1.25rem;
    --fs-post-h1: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
    --fs-post-h2: clamp(1.45rem, 1.2rem + 0.9vw, 1.75rem);
    --fs-post-h3: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
}

/* H1 de página */
.page-title {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h1);
    line-height: 1.15;
    font-weight: 700;
    text-wrap: balance;
}

/* H2 de sección */
.section-title,
.propuesta-title,
.que-es-box h2,
.cta-final-box h2 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h2);
    line-height: 1.2;
    font-weight: 700;
    text-wrap: balance;
}

/* H3 de subsección */
h3.section-title,
.nesoi-block-title,
.resources-subtitle,
.newsletter-title-centered,
.calc-result-box h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h3);
    line-height: 1.25;
    font-weight: 700;
    text-wrap: balance;
}

/* H4: títulos de tarjeta */
.segment-title,
.step-title,
.modality-title,
.project-title,
.team-title,
.value-title,
.benefit-title,
.contact-card-title,
.blog-title,
.nesoi-benefit h4,
.join-step h3,
.home-news-body h3,
.timeline-content h3,
.estado-title,
.registration-form h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h4);
    line-height: 1.3;
    font-weight: 700;
}

.registration-form h3 {
    font-size: var(--fs-h3);
}

/* Artículos */
.post-title {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-post-h1);
    line-height: 1.2;
    font-weight: 700;
    text-wrap: balance;
}

.post-content h2 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-post-h2);
    line-height: 1.25;
    font-weight: 700;
}

.post-content h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-post-h3);
    line-height: 1.3;
    font-weight: 700;
}

#transparencia-home h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h4);
    line-height: 1.3;
    font-weight: 700;
}

.transparency-grid h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h3);
    line-height: 1.25;
    font-weight: 700;
}

.resource-card h3 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h4);
    line-height: 1.3;
    font-weight: 700;
}

.legal-container h2,
.privacy-container h2,
.terms-container h2 {
    font-family: var(--font-title, 'Playfair Display', serif);
    font-size: var(--fs-h3);
    line-height: 1.25;
    font-weight: 700;
}