/* NORSEIN · estilos principales */
:root {
  --navy: #142d50;
  --navy-deep: #0e203a;
  --blue: #456d9b;
  --text: #26364b;
  --muted: #687587;
  --light: #f4f7fa;
  --white: #ffffff;
  --max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 10px clamp(18px, 4vw, 60px);
  background: rgba(255,255,255,.97);
  box-shadow: 0 3px 18px rgba(13,32,58,.09);
}
.brand { display: flex; align-items: center; flex: 0 0 180px; }
.brand img { display: block; width: 100%; height: auto; max-height: 66px; object-fit: contain; }
.main-nav { flex: 1; min-width: 20px; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 22px; white-space: nowrap; }
.header-link { font-size: .92rem; font-weight: 600; color: var(--navy); }
.header-link:hover { color: var(--blue); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid var(--navy);
  border-radius: 3px;
  background: var(--navy);
  color: white;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.button:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-1px); }
.button-small { min-height: 42px; padding: 9px 17px; font-size: .88rem; }

main { padding-top: 88px; }
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: min(650px, 74vw);
  min-height: clamp(430px, 58vw, 650px);
  overflow: hidden;
  background: linear-gradient(115deg, #172f50 0%, #31577f 60%, #6e8baa 100%);
  color: white;
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
 
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: 80px clamp(24px, 6vw, 80px);
}

.cabecera {
    width: 100%;
    min-height: 600px;

    background-image:
        linear-gradient(
            90deg,
            rgba(16, 44, 77, 0.25),
            rgba(16, 44, 77, 0.05)
        ),
        url("../img/fondocielo.png");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    display: flex;
    align-items: center;
    box-sizing: border-box;
}

/* RESPONSIVE */

@media (max-width: 768px) {
    .cabecera {
        min-height: 480px;
        background-position: center;
    }
}

/* RESPONSIVE */

@media (max-width: 768px) {
    .cabecera {
        min-height: 480px;
        background-position: center;
    }
}

.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .17em; }
.hero .eyebrow { color: #d7e5f5; }
.hero h1 { max-width: 700px; margin: 0 0 20px; font-size: clamp(2.25rem, 5vw, 4.5rem); line-height: 1.08; letter-spacing: -.035em; }
.hero-content > p:not(.eyebrow) { max-width: 580px; margin: 0 0 30px; color: #edf3fa; font-size: clamp(1rem, 1.5vw, 1.2rem); }
.section { width: min(var(--max-width), 100%); margin: 0 auto; padding: 88px clamp(24px, 5vw, 64px); }
.section-heading { max-width: 700px; margin: 0 auto 44px; text-align: center; }
.section h2, .contact-strip h2 { margin: 0 0 14px; color: var(--navy); font-size: clamp(1.9rem, 3vw, 2.8rem); line-height: 1.2; }
.section-heading > p:last-child, .location > p:last-child { color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.service-card { padding: 34px 30px 30px; border: 1px solid #e3e9f0; background: white; box-shadow: 0 12px 34px rgba(17,42,72,.045); transition: transform .2s ease, box-shadow .2s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 18px 38px rgba(17,42,72,.10); }
.service-symbol { display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 22px; border-radius: 50%; background: #edf3f9; }
.service-symbol svg { width: 38px; height: 38px; fill: none; stroke: var(--navy); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 0 0 12px; color: var(--navy); font-size: 1.35rem; }
.service-card p { min-height: 100px; margin: 0 0 20px; color: var(--muted); font-size: .96rem; }
.text-link { color: var(--navy); font-weight: 700; }
.text-link span { margin-left: 6px; }
.text-link:hover { color: var(--blue); }
.contact-strip { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 54px clamp(24px, 7vw, 100px); background: var(--light); }
.contact-strip h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.contact-strip > div:first-child > p:last-child { margin-bottom: 0; color: var(--muted); }
.contact-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.phone { color: var(--navy); font-size: 1.2rem; font-weight: 800; white-space: nowrap; }
.button-light { background: white; color: var(--navy); }
.button-light:hover { color: white; }
.location { text-align: center; min-height: 220px; }
.site-footer { padding: 42px 24px 26px; text-align: center; color: #e7edf5; background: var(--navy-deep); }
.footer-brand { display: inline-block; margin-bottom: 8px; color: white; font-size: 1.45rem; font-weight: 900; letter-spacing: .12em; }
.site-footer p { margin: 5px 0; font-size: .92rem; }
.copyright { margin-top: 22px !important; color: #aebdd0; font-size: .8rem !important; }

@media (max-width: 900px) {
  .site-header { gap: 18px; padding-inline: 22px; }
  .brand { flex-basis: 145px; }
  .header-actions { gap: 14px; }
  .header-link { font-size: .85rem; }
  .service-grid { gap: 16px; }
  .service-card { padding: 26px 22px; }
  .service-card p { min-height: 130px; }
  .contact-strip { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 126px; }
  .site-header { min-height: 116px; align-content: center; flex-wrap: wrap; gap: 7px 14px; padding: 9px 16px; }
  .brand { flex: 0 0 125px; }
  .brand img { max-height: 48px; }
  .main-nav { flex: 1; }
  .header-actions { width: 100%; justify-content: space-between; gap: 8px; }
  .header-link { font-size: .82rem; }
  .button-small { min-height: 36px; padding: 7px 10px; font-size: .78rem; }
  main { padding-top: 116px; }
  .hero { min-height: 500px; }
  .hero-content { padding: 60px 24px; }
  .hero-overlay { background: linear-gradient(90deg, rgba(9,27,50,.84), rgba(14,37,65,.45)); }
  .section { padding-block: 62px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card p { min-height: 0; }
  .contact-strip { padding-block: 42px; }
  .contact-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
}


/* =========================================
   PÁGINA DE INSTALACIONES
========================================= */

.instalaciones-hero {
    min-height: 440px;
    display: flex;
    align-items: center;
    background: linear-gradient(110deg, #102c4d 0%, #173e68 65%, #245b83 100%);
    padding: 80px 8%;
    color: #fff;
}

.instalaciones-hero-contenido {
    max-width: 850px;
}

.instalaciones-etiqueta,
.instalaciones-subtitulo {
    display: block;
    color: #45b2e5;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.instalaciones-hero h1 {
    font-size: clamp(34px, 5vw, 55px);
    line-height: 1.15;
    margin: 0 0 25px;
    font-weight: 700;
    color: #fff;
}

.instalaciones-hero p {
    font-size: 17px;
    line-height: 1.8;
    max-width: 680px;
    color: #e3edf6;
    margin-bottom: 32px;
}

.boton-instalaciones,
.boton-contacto-instalaciones {
    display: inline-block;
    background: #1686c9;
    color: #fff;
    padding: 15px 28px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    transition: background .3s ease;
}

.boton-instalaciones:hover,
.boton-contacto-instalaciones:hover {
    background: #0870ae;
}


/* INTRODUCCIÓN */

.instalaciones-intro {
    padding: 85px 25px 55px;
    text-align: center;
    background: #fff;
}

.instalaciones-ancho {
    max-width: 1150px;
    margin: 0 auto;
}

.instalaciones-intro h2,
.ventajas-cabecera h2 {
    color: #17365b;
    font-size: clamp(27px, 3vw, 36px);
    margin: 0 0 22px;
}

.instalaciones-intro p,
.ventajas-cabecera p {
    max-width: 800px;
    margin: 0 auto;
    color: #687789;
    font-size: 16px;
    line-height: 1.8;
}


/* TARJETAS DE INSTALACIONES */

.instalaciones-tipos {
    padding: 35px 25px 95px;
    background: #fff;
}

.instalaciones-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.instalacion-card {
    background: #f5f8fb;
    padding: 38px;
    border-radius: 6px;
    border: 1px solid #e7edf3;
    transition: transform .3s ease, box-shadow .3s ease;
}

.instalacion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(23, 54, 91, .09);
}

.instalacion-numero {
    color: #1686c9;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.instalacion-card h3 {
    color: #17365b;
    font-size: 21px;
    margin: 0 0 16px;
}

.instalacion-card p {
    color: #667587;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}


/* VENTAJAS */

.instalaciones-ventajas {
    background: #f3f6f9;
    padding: 90px 25px;
}

.ventajas-cabecera {
    text-align: center;
    margin-bottom: 55px;
}

.ventajas-lista {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px 55px;
}

.ventaja-item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.ventaja-numero {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #17365b;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
}

.ventaja-item h3 {
    color: #17365b;
    font-size: 19px;
    margin: 5px 0 12px;
}

.ventaja-item p {
    color: #687789;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}


/* CONTACTO */

.instalaciones-contacto {
    background: #17365b;
    padding: 85px 25px;
    text-align: center;
    color: #fff;
}

.instalaciones-contacto-contenido {
    max-width: 780px;
    margin: 0 auto;
}

.instalaciones-contacto-contenido > span {
    color: #55b9ed;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
}

.instalaciones-contacto h2 {
    color: #fff;
    font-size: clamp(30px, 4vw, 40px);
    margin: 20px 0;
}

.instalaciones-contacto-contenido > p {
    color: #dce5ef;
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 30px;
}

.boton-contacto-instalaciones {
    background: #1686c9;
}

.instalaciones-contacto .instalaciones-telefono {
    margin-top: 25px;
    margin-bottom: 0;
    font-size: 14px;
}

.instalaciones-telefono a {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}


/* RESPONSIVE */

@media (max-width: 768px) {

    .instalaciones-hero {
        min-height: 390px;
        padding: 65px 25px;
    }

    .instalaciones-grid,
    .ventajas-lista {
        grid-template-columns: 1fr;
    }

    .instalacion-card {
        padding: 28px;
    }

    .instalaciones-intro {
        padding: 65px 25px 35px;
    }

    .instalaciones-tipos {
        padding: 25px 20px 65px;
    }

    .instalaciones-ventajas {
        padding: 65px 25px;
    }

    .ventajas-lista {
        gap: 30px;
    }

    .instalaciones-contacto {
        padding: 65px 25px;
    }

}


/* Móviles y tablets pequeñas (pantallas menores a 768px) */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    text-align: center;
  }

  .header-actions {
    width: 100%;
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero {
    padding: 2.5rem 1rem;
  }

  .section {
    padding: 2rem 1rem;
  }

  .location iframe {
    height: 300px; /* Reduce altura del mapa en pantallas pequeñas */
  }
}

/* Móviles muy pequeños (menos de 480px) */
@media (max-width: 480px) {
  .header-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

  .button {
    width: 100%; /* Botones de ancho completo en móvil */
  }
}

/* =====================================
   MENU NORSEIN
===================================== */

.menu-norsein {
    position: relative;
    z-index: 1000;
    font-family: inherit;
}

.menu-principal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-principal > li {
    position: relative;
}

.menu-principal > li > a {
    display: block;
    padding: 25px 5px;
    color: #17365b;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: color .3s ease;
}

.menu-principal > li > a:hover {
    color: #1686c9;
}

/* Flechas */

.menu-desplegable > a::after {
    content: "⌄";
    margin-left: 7px;
    font-size: 14px;
}

/* =====================================
   DESPLEGABLES
===================================== */

.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);

    width: 310px;
    padding: 25px;

    background: #ffffff;
    border-top: 3px solid #1686c9;
    box-shadow: 0 12px 30px rgba(0,0,0,.13);

    border-radius: 0 0 5px 5px;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition: all .25s ease;
}

.submenu-columna {
    display: flex;
    flex-direction: column;
}

.submenu-columna h3 {
    color: #17365b;
    font-size: 13px;
    letter-spacing: 1.5px;

    margin: 0 0 15px;
    padding-bottom: 12px;

    border-bottom: 1px solid #e5eaf0;
}

.submenu-columna a {
    display: block;

    color: #555f6b;
    text-decoration: none;

    font-size: 14px;
    line-height: 1.5;

    padding: 9px 0;

    transition: all .2s ease;
}

.submenu-columna a:hover {
    color: #1686c9;
    padding-left: 7px;
}

/* =====================================
   APERTURA EN ORDENADOR
===================================== */

@media (min-width: 769px) {

    .menu-desplegable:hover > .submenu,
    .menu-desplegable:focus-within > .submenu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }

}

/* =====================================
   VERSION MOVIL
===================================== */

@media (max-width: 768px) {

    .menu-norsein {
        width: 100%;
    }

    .menu-principal {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .menu-principal > li {
        width: 100%;
        border-bottom: 1px solid #e9edf1;
    }

    .menu-principal > li > a {
        padding: 15px 20px;
    }

    .submenu {
        position: static;
        transform: none;

        width: auto;
        padding: 0 25px 15px 35px;

        border: none;
        box-shadow: none;
        border-radius: 0;

        display: none;

        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .menu-desplegable.abierto > .submenu {
        display: block;
    }

    .menu-desplegable > a::after {
        float: right;
        transition: transform .2s ease;
    }

    .menu-desplegable.abierto > a::after {
        transform: rotate(180deg);
    }

    .submenu-columna a {
        font-size: 14px;
        padding: 10px 0;
    }

}


/* EFECTO AL PASAR EL RATON */

.menu-principal li a:hover {
    color: #1686c9;
}

/* ACCESIBILIDAD CON TECLADO */

.menu-principal li a:focus-visible {
    color: #1686c9;
    outline: 2px solid #1686c9;
    outline-offset: 4px;
}

/* =====================================
   MENU PRINCIPAL NORSEIN
===================================== */

.menu-norsein {
    position: relative;
    z-index: 1000;
}

.menu-principal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;

    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-principal li {
    margin: 0;
    padding: 0;
}

.menu-principal li a {
    display: block;

    color: #17365b;
    text-decoration: none;

    font-size: 15px;
    font-weight: 600;

    padding: 25px 5px;

    transition: color .3s ease;
}

/* EFECTO AL PASAR EL RATON */

.menu-principal li a:hover {
    color: #1686c9;
}

/* ACCESIBILIDAD CON TECLADO */

.menu-principal li a:focus-visible {
    color: #1686c9;
    outline: 2px solid #1686c9;
    outline-offset: 4px;
}

/* =====================================
   VERSION MOVIL
===================================== */

@media (max-width: 768px) {

    .menu-principal {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .menu-principal li {
        width: 100%;
        border-bottom: 1px solid #e9edf1;
    }

    .menu-principal li a {
        padding: 15px 20px;
    }

}


/* =========================================
   PÁGINA DE INSTALACIONES
========================================= */

.instalaciones-hero {
    min-height: 440px;
    display: flex;
    align-items: center;
    background: linear-gradient(110deg, #102c4d 0%, #173e68 65%, #245b83 100%);
    padding: 80px 8%;
    color: #fff;
}

.instalaciones-hero-contenido {
    max-width: 850px;
}

.instalaciones-etiqueta,
.instalaciones-subtitulo {
    display: block;
    color: #45b2e5;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.instalaciones-hero h1 {
    font-size: clamp(34px, 5vw, 55px);
    line-height: 1.15;
    margin: 0 0 25px;
    font-weight: 700;
    color: #fff;
}

.instalaciones-hero p {
    font-size: 17px;
    line-height: 1.8;
    max-width: 680px;
    color: #e3edf6;
    margin-bottom: 32px;
}

.boton-instalaciones,
.boton-contacto-instalaciones {
    display: inline-block;
    background: #1686c9;
    color: #fff;
    padding: 15px 28px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    transition: background .3s ease;
}

.boton-instalaciones:hover,
.boton-contacto-instalaciones:hover {
    background: #0870ae;
}


/* INTRODUCCIÓN */

.instalaciones-intro {
    padding: 85px 25px 55px;
    text-align: center;
    background: #fff;
}

.instalaciones-ancho {
    max-width: 1150px;
    margin: 0 auto;
}

.instalaciones-intro h2,
.ventajas-cabecera h2 {
    color: #17365b;
    font-size: clamp(27px, 3vw, 36px);
    margin: 0 0 22px;
}

.instalaciones-intro p,
.ventajas-cabecera p {
    max-width: 800px;
    margin: 0 auto;
    color: #687789;
    font-size: 16px;
    line-height: 1.8;
}


/* TARJETAS DE INSTALACIONES */

.instalaciones-tipos {
    padding: 35px 25px 95px;
    background: #fff;
}

.instalaciones-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.instalacion-card {
    background: #f5f8fb;
    padding: 38px;
    border-radius: 6px;
    border: 1px solid #e7edf3;
    transition: transform .3s ease, box-shadow .3s ease;
}

.instalacion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(23, 54, 91, .09);
}

.instalacion-numero {
    color: #1686c9;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.instalacion-card h3 {
    color: #17365b;
    font-size: 21px;
    margin: 0 0 16px;
}

.instalacion-card p {
    color: #667587;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}


/* VENTAJAS */

.instalaciones-ventajas {
    background: #f3f6f9;
    padding: 90px 25px;
}

.ventajas-cabecera {
    text-align: center;
    margin-bottom: 55px;
}

.ventajas-lista {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px 55px;
}

.ventaja-item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.ventaja-numero {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #17365b;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
}

.ventaja-item h3 {
    color: #17365b;
    font-size: 19px;
    margin: 5px 0 12px;
}

.ventaja-item p {
    color: #687789;
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}


/* CONTACTO */

.instalaciones-contacto {
    background: #17365b;
    padding: 85px 25px;
    text-align: center;
    color: #fff;
}

.instalaciones-contacto-contenido {
    max-width: 780px;
    margin: 0 auto;
}

.instalaciones-contacto-contenido > span {
    color: #55b9ed;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
}

.instalaciones-contacto h2 {
    color: #fff;
    font-size: clamp(30px, 4vw, 40px);
    margin: 20px 0;
}

.instalaciones-contacto-contenido > p {
    color: #dce5ef;
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 30px;
}

.boton-contacto-instalaciones {
    background: #1686c9;
}

.instalaciones-contacto .instalaciones-telefono {
    margin-top: 25px;
    margin-bottom: 0;
    font-size: 14px;
}

.instalaciones-telefono a {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}


/* RESPONSIVE */

@media (max-width: 768px) {

    .instalaciones-hero {
        min-height: 390px;
        padding: 65px 25px;
    }

    .instalaciones-grid,
    .ventajas-lista {
        grid-template-columns: 1fr;
    }

    .instalacion-card {
        padding: 28px;
    }

    .instalaciones-intro {
        padding: 65px 25px 35px;
    }

    .instalaciones-tipos {
        padding: 25px 20px 65px;
    }

    .instalaciones-ventajas {
        padding: 65px 25px;
    }

    .ventajas-lista {
        gap: 30px;
    }

    .instalaciones-contacto {
        padding: 65px 25px;
    }

}


/* =========================================
   MENU MOVIL NORSEIN - HAMBURGUESA
========================================= */

/* Botón Hamburguesa (las 3 líneas) */
    .hamburger {
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      width: 30px;
      height: 24px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
      z-index: 10;
    }

    .hamburger span {
      width: 30px;
      height: 3px;
      background-color: white;
      border-radius: 5px;
      transition: all 0.3s ease;
    }

/* VERSION MOVIL */
@media (max-width: 768px) {

    .menu-norsein {
        width: 100%;
    }

    /* Mostrar hamburguesa */
    .menu-icono {
        display: flex;
        margin-left: auto;
    }

    /* Ocultar menú inicialmente */
    .menu-principal {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
        margin-top: 12px;
        background: #ffffff;
        box-shadow: 0 8px 20px rgba(0,0,0,.10);
    }

    /* Mostrar menú al pulsar */
    .menu-toggle:checked ~ .menu-principal {
        display: flex;
    }

    .menu-principal > li {
        width: 100%;
        border-bottom: 1px solid #e9edf1;
    }

    .menu-principal > li > a {
        display: block;
        padding: 15px 20px;
        font-size: 16px;
    }

    /* Animación de las tres rayas */
    .menu-toggle:checked + .menu-icono span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .menu-toggle:checked + .menu-icono span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle:checked + .menu-icono span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

}

/* ESCRITORIO */
@media (min-width: 769px) {

    .menu-icono,
    .menu-toggle {
        display: none;
    }

    .menu-principal {
        display: flex;
    }

}

.imagen-responsive {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}