/* Estilos compartidos de las guías de Dokimex */
:root {
    --azul: #1e3a5f;
    --azul-claro: #2c5282;
    --acento: #2b8a3e;
    --acento-hover: #237032;
    --gris: #4a5568;
    --gris-claro: #718096;
    --bg: #f7fafc;
    --borde: #e2e8f0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--azul);
    line-height: 1.7;
    background: #fff;
}
a { color: var(--azul-claro); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Nav */
nav {
    position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95);
    backdrop-filter: blur(8px); border-bottom: 1px solid var(--borde);
}
nav .container {
    max-width: 1080px; display: flex; align-items: center;
    justify-content: space-between; height: 64px;
}
.logo { font-size: 22px; font-weight: 800; letter-spacing: -.5px; color: var(--azul); }
.logo span { color: var(--acento); }
.nav-links { display: flex; gap: 18px; align-items: center; font-weight: 600; }
.nav-links a { color: var(--gris); }

/* Artículo */
article { padding: 48px 0 24px; }
.breadcrumb { font-size: 13.5px; color: var(--gris-claro); margin-bottom: 18px; }
.breadcrumb a { color: var(--gris-claro); }
article h1 {
    font-size: 36px; line-height: 1.2; font-weight: 800;
    letter-spacing: -.5px; margin-bottom: 14px;
}
.meta { color: var(--gris-claro); font-size: 14px; margin-bottom: 30px; }
article h2 {
    font-size: 25px; font-weight: 800; letter-spacing: -.3px;
    margin: 38px 0 12px; padding-top: 6px;
}
article h3 { font-size: 19px; font-weight: 700; margin: 26px 0 8px; }
article p { margin: 0 0 16px; font-size: 17px; color: #2d3a4d; }
article ul, article ol { margin: 0 0 18px; padding-left: 24px; }
article li { margin-bottom: 8px; font-size: 17px; color: #2d3a4d; }
article strong { color: var(--azul); }
article em { color: var(--gris); }

.nota {
    background: var(--bg); border-left: 4px solid var(--acento);
    border-radius: 8px; padding: 16px 20px; margin: 24px 0; font-size: 15.5px;
}
.nota strong { color: var(--acento); }

table.tbl { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; }
table.tbl th, table.tbl td {
    border: 1px solid var(--borde); padding: 10px 12px; text-align: left; vertical-align: top;
}
table.tbl th { background: var(--bg); font-weight: 700; }

/* CTA */
.cta-box {
    background: linear-gradient(160deg, #1e3a5f 0%, #2c5282 100%);
    color: #fff; border-radius: 14px; padding: 32px; margin: 44px 0 20px; text-align: center;
}
.cta-box h2 { color: #fff; margin: 0 0 8px; font-size: 23px; }
.cta-box p { color: #d6e2f0; margin: 0 0 20px; font-size: 16px; }
.btn {
    display: inline-block; padding: 13px 26px; border-radius: 8px;
    font-weight: 700; font-size: 15px; border: none; background: var(--acento); color: #fff;
}
.btn:hover { background: var(--acento-hover); text-decoration: none; }

/* Faq */
.faq h3 { font-size: 18px; margin-top: 22px; }

/* Listado de guías */
.guia-card {
    display: block; border: 1px solid var(--borde); border-radius: 12px;
    padding: 22px 24px; margin-bottom: 16px; transition: box-shadow .15s ease, border-color .15s ease;
}
.guia-card:hover { box-shadow: 0 8px 24px rgba(30,58,95,.08); border-color: var(--azul-claro); text-decoration: none; }
.guia-card h2 { font-size: 20px; margin: 0 0 6px; color: var(--azul); }
.guia-card p { color: var(--gris); font-size: 15px; margin: 0; }

footer { background: #142a45; color: #9fb3cc; padding: 34px 0; font-size: 14px; margin-top: 40px; }
footer .container { max-width: 1080px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
footer a { color: #9fb3cc; }
footer a:hover { color: #fff; }
footer .legal { font-size: 12.5px; color: #6b829e; }

@media (max-width: 640px) {
    article h1 { font-size: 28px; }
    article h2 { font-size: 22px; }
    .nav-links { gap: 12px; font-size: 14px; }
}