/* =========================
   GUÍAS — PÁGINA PRINCIPAL
========================= */

.guides-intro {
    max-width: 720px;
    margin-top: 16px;
    color: var(--muted);
    font-size: 16px;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}


/* =========================
   TARJETA DE GUÍA
========================= */

.guide-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition:
        transform 0.2s,
        border-color 0.2s,
        background 0.2s;
}

a.guide-card:hover {
    transform: translateY(-3px);
    background: var(--surface-light);
    border-color: #3b424c;
}

a.guide-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.guide-category {
    align-self: flex-start;
    padding: 5px 10px;
    background: rgba(184, 255, 61, 0.1);
    border: 1px solid rgba(184, 255, 61, 0.3);
    border-radius: 999px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guide-title {
    margin-top: 18px;
    color: var(--text);
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -0.5px;
}

.guide-description {
    margin-top: 10px;
    color: var(--muted);
    font-size: 14px;
}

.guide-link,
.guide-badge {
    margin-top: auto;
    padding-top: 22px;
    font-size: 13px;
    font-weight: 800;
}

.guide-link {
    color: var(--accent);
}

a.guide-card:hover .guide-link {
    color: var(--accent-dark);
}

.guide-badge {
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guide-card-upcoming {
    background: #0f1317;
    border-style: dashed;
}

.guide-card-upcoming .guide-title {
    color: #c7ccd2;
}


/* =========================
   ARTÍCULO — CABECERA
========================= */

.article {
    padding: 80px 0 100px;
}

.article-header {
    max-width: 760px;
    margin: 0 auto;
}

.article-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
}

.article-back:hover {
    color: var(--accent-dark);
}

.article-back:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.article-title {
    margin-top: 16px;
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: -2px;
}

.article-intro {
    max-width: 680px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 18px;
}


/* =========================
   ARTÍCULO — CONTENIDO
========================= */

.article-content {
    max-width: 760px;
    margin: 48px auto 0;
}

.article-content > h2:first-child {
    margin-top: 0;
}

.article-content h2 {
    margin-top: 48px;
    font-size: 28px;
    line-height: 1.15;
    letter-spacing: -1px;
}

.article-content h3 {
    margin-top: 32px;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -0.5px;
}

.article-content p {
    margin-top: 16px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.article-content ul,
.article-content ol {
    margin-top: 16px;
    padding-left: 22px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.article-content li {
    margin-top: 8px;
}

.article-content strong {
    color: var(--text);
}

.article-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--accent-dark);
}


/* =========================
   EJEMPLOS Y TABLAS
========================= */

.article-example {
    margin-top: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.table-scroll {
    overflow-x: auto;
}

.article-example table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.article-example caption {
    padding: 16px 16px 0;
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-align: left;
}

.article-example th,
.article-example td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.article-example th {
    color: var(--text);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.article-example td {
    color: var(--muted);
}

.article-example tbody tr:last-child td {
    border-bottom: none;
}


/* =========================
   BLOQUES INFORMATIVOS
========================= */

.article-note {
    margin-top: 24px;
    padding: 18px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
}

.article-note-title {
    color: var(--text);
    font-size: 15px;
    font-weight: 800;
}

.article-note p {
    margin-top: 8px;
    font-size: 15px;
}

.article-note p:first-child {
    margin-top: 0;
}


/* =========================
   LLAMADA A HERRAMIENTAS
========================= */

.tool-callout {
    margin-top: 44px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.tool-callout h2,
.tool-callout h3 {
    margin-top: 0;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -0.5px;
}

.tool-callout p {
    margin-top: 10px;
    font-size: 15px;
    line-height: 1.6;
}

.tool-callout-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.tool-button {
    display: inline-block;
    padding: 13px 22px;
    background: var(--accent);
    color: #080a0c;
    border: 1px solid var(--accent);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: 0.2s;
}

.article-content .tool-button {
    color: #080a0c;
    text-decoration: none;
}

.tool-button:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
}

.tool-button.secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.article-content .tool-button.secondary {
    color: var(--text);
}

.tool-button.secondary:hover {
    background: var(--surface-light);
    border-color: #3b424c;
}

.tool-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}


/* =========================
   NAVEGACIÓN ENTRE GUÍAS
========================= */

.guide-next {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.guide-next-title {
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guide-next-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 16px;
    padding: 22px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: 0.2s;
}

.article-content .guide-next-link {
    color: inherit;
    text-decoration: none;
}

.guide-next-link:hover {
    background: var(--surface-light);
    border-color: #3b424c;
    transform: translateY(-2px);
}

.guide-next-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.guide-next-label {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guide-next-name {
    display: block;
    margin-top: 6px;
    color: var(--text);
    font-size: 18px;
    font-weight: 700;
}

.guide-next-arrow {
    flex-shrink: 0;
    color: var(--accent);
    font-size: 20px;
}


/* =========================
   GUÍAS — ELEMENTO VISUAL
========================= */

.guide-visual {
    margin-top: 32px;
}

.guide-visual-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.guide-visual-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.guide-visual-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 24px;
    text-align: center;
    background:
        radial-gradient(circle at 18% 18%, rgba(184, 255, 61, 0.1), transparent 55%),
        radial-gradient(circle at 84% 82%, rgba(184, 255, 61, 0.07), transparent 52%),
        var(--surface);
}

.guide-visual-placeholder::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        115deg,
        rgba(184, 255, 61, 0.05) 0,
        rgba(184, 255, 61, 0.05) 1px,
        transparent 1px,
        transparent 24px
    );
    pointer-events: none;
}

.guide-visual-icon {
    position: relative;
    width: 54px;
    height: 54px;
    color: var(--accent);
}

.guide-visual-placeholder-text {
    position: relative;
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guide-visual-caption {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

    .guides-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 600px) {

    .guides-grid {
        grid-template-columns: 1fr;
    }

    .article {
        padding: 60px 0 80px;
    }

    .article-title {
        font-size: 34px;
        letter-spacing: -1.5px;
    }

    .article-intro {
        font-size: 16px;
    }

    .article-content {
        margin-top: 36px;
    }

    .article-content h2 {
        margin-top: 40px;
        font-size: 24px;
    }

    .article-content p,
    .article-content ul,
    .article-content ol {
        font-size: 16px;
    }

    .guide-visual {
        margin-top: 26px;
    }

    .guide-visual-media {
        aspect-ratio: 4 / 3;
    }

    .guide-visual-icon {
        width: 46px;
        height: 46px;
    }

    .guide-visual-placeholder {
        padding: 18px;
    }

    .tool-callout {
        padding: 22px;
    }

    .tool-callout-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .tool-button {
        width: 100%;
        text-align: center;
    }

}