* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: Arial, sans-serif;
    background: #f5f5f0;
    color: #333;
    line-height: 1.7;
}

header {
    background: #2d5016;
    color: #f5f0e8;
    text-align: center;
    padding: 2rem 1rem;
}

header h1 { font-size: 2rem; margin-bottom: 0.3rem; }
.tagline { font-size: 1.2rem; font-weight: bold; opacity: 0.95; }

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.intro {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.intro h2 { color: #2d5016; margin-bottom: 0.8rem; }

.repo-box {
    background: #e8f5e9;
    border: 2px solid #2d5016;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    text-align: center;
}

.repo-box a {
    color: #2d5016;
    font-weight: bold;
    font-size: 1.05rem;
    word-break: break-all;
}

/* ── Conceptos básicos ── */
.conceptos {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.conceptos h2 { color: #2d5016; margin-bottom: 0.4rem; }

.conceptos-intro {
    color: #555;
    margin-bottom: 1.5rem;
    font-size: 0.97rem;
}

.concepto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.concepto-card {
    background: #f9f9f6;
    border: 1px solid #e0e0d8;
    border-radius: 8px;
    padding: 1.2rem;
}

.concepto-icono {
    font-size: 1.6rem;
    margin-bottom: 0.4rem;
}

.concepto-card h3 {
    color: #2d5016;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.concepto-card p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #444;
}

.concepto-card code {
    background: #e8f5e9;
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85em;
    color: #2d5016;
}

@media (max-width: 700px) {
    .concepto-grid { grid-template-columns: 1fr; }
}

/* ── Recomendaciones ── */
.recomendaciones {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.recomendaciones h2 { color: #2d5016; margin-bottom: 0.4rem; }

.rec-lista { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.2rem; }

.rec-item {
    display: flex;
    gap: 1rem;
    background: #f9f9f6;
    border: 1px solid #e0e0d8;
    border-left: 4px solid #2d5016;
    border-radius: 0 8px 8px 0;
    padding: 1.1rem 1.2rem;
}

.rec-icono {
    font-size: 1.6rem;
    flex-shrink: 0;
    padding-top: 0.1rem;
}

.rec-texto h3 {
    color: #2d5016;
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.rec-texto p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #444;
}

.rec-texto a { color: #2d5016; }

.rec-item-destacado {
    border-left-color: #b8860b;
    background: #fffdf4;
}

.rec-texto h4 {
    color: #2d5016;
    font-size: 0.95rem;
    margin: 1rem 0 0.3rem;
}

.rec-texto ol {
    margin: 0.4rem 0 0.6rem 1.4rem;
    font-size: 0.9rem;
    color: #444;
    line-height: 1.65;
}

.rec-texto ol li { margin-bottom: 0.3rem; }

.rec-texto code {
    background: #e8f5e9;
    padding: 0.1em 0.35em;
    border-radius: 3px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85em;
    color: #2d5016;
}

/* ── Artículo ── */
.articulo {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.articulo h2 {
    color: #2d5016;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.articulo h3 {
    color: #2d5016;
    font-size: 1rem;
    margin: 1.4rem 0 0.5rem;
}

.articulo p {
    font-size: 0.93rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 0.6rem;
}

.articulo ul {
    margin: 0.4rem 0 0.8rem 1.4rem;
    font-size: 0.93rem;
    color: #444;
    line-height: 1.7;
}

.articulo ul li { margin-bottom: 0.25rem; }

.flujo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 0.6rem 0 1rem;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: bold;
}

.flujo-malo  { background: #fff0f0; border: 1px solid #f5c6c6; }
.flujo-bueno { background: #e8f5e9; border: 1px solid #a5d6a7; }

.flujo-paso {
    background: white;
    border-radius: 6px;
    padding: 0.3rem 0.7rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    white-space: nowrap;
}

.flujo-malo  .flujo-paso { color: #c0392b; }
.flujo-bueno .flujo-paso { color: #2d5016; }
.flujo-flecha { color: #888; font-weight: normal; }

.articulo-regla {
    background: #f5f0e0;
    border-left: 4px solid #b8860b;
    border-radius: 0 8px 8px 0;
    padding: 1.1rem 1.3rem;
    margin-top: 1.4rem;
}

.articulo-regla p {
    margin-bottom: 0.5rem;
    color: #444;
}

.articulo-cita {
    font-style: italic;
    font-size: 1rem !important;
    color: #2d5016 !important;
    font-weight: bold;
    margin-top: 0.8rem !important;
    margin-bottom: 0 !important;
}

/* ── Pasos ── */
.paso {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.paso-numero {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: #2d5016;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
}

.paso-contenido { flex: 1; min-width: 0; }
.paso-contenido h3 { color: #2d5016; margin-bottom: 0.6rem; font-size: 1.2rem; }
.paso-contenido ol, .paso-contenido ul { margin: 0.5rem 0 0.5rem 1.5rem; }
.paso-contenido li { margin-bottom: 0.4rem; }

.code-block {
    background: #1e1e1e;
    color: #d4d4d4;
    border-radius: 8px;
    padding: 1rem;
    margin: 0.8rem 0;
    overflow-x: auto;
    font-size: 0.9rem;
    width: 100%;
    max-width: 100%;
    text-align: left;
}

.code-block code {
    font-family: 'Consolas', 'Courier New', monospace;
    white-space: pre;
}

.tip {
    background: #fff8e1;
    border-left: 4px solid #f9a825;
    padding: 0.8rem 1rem;
    margin: 0.8rem 0;
    border-radius: 0 6px 6px 0;
    font-size: 0.95rem;
}

.tip ul { margin: 0.3rem 0 0 1.5rem; }

.recursos {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.recursos h2 { color: #2d5016; margin-bottom: 1rem; }
.recursos ul { list-style: none; }
.recursos li { margin-bottom: 0.5rem; }
.recursos a { color: #2d5016; font-weight: bold; text-decoration: none; }
.recursos a:hover { text-decoration: underline; }

footer {
    background: #2d5016;
    color: #f5f0e8;
    text-align: center;
    padding: 1.5rem 1rem;
    margin-top: 3rem;
}

footer p { margin-bottom: 0.3rem; }
footer a { color: #c8dbb0; }

@media (max-width: 600px) {
    .paso {
        flex-direction: column;
        align-items: stretch;
        padding: 1.2rem 1rem;
    }
    .paso-numero {
        align-self: center;
        margin-bottom: 0.8rem;
    }
    .paso-contenido {
        width: 100%;
        text-align: left;
    }
}