/* ====================================================================
   GUIAS-INDEX.CSS — ThinkChip
   Estilos exclusivos de la PÁGINA ÍNDICE de guías (/guias).
   Diseño editorial "Muted" inspirado en el boceto (Syne + DM Sans).
   ────────────────────────────────────────────────────────────────────
   TODO scoped bajo .guias-nav y .guias-index para no afectar al
   resto del sitio ni a las páginas internas de cada guía.
==================================================================== */

/* ─── RESET LOCAL (scoped) ─── */
.guias-nav,
.guias-nav *,
.guias-nav *::before,
.guias-nav *::after,
.guias-index,
.guias-index *,
.guias-index *::before,
.guias-index *::after {
    box-sizing: border-box;
}

/* Override del base.css global que centra todos los h1-h4 y les
   pone color brand + margin-top. Aquí queremos control total. */
.guias-index h1,
.guias-index h2,
.guias-index h3,
.guias-index h4,
.guias-index p {
    text-align: left;
    margin-top: 0;
    margin-bottom: 0;
    color: inherit;
}

/* ====================================================================
   1. NAV SUPERIOR (reemplaza al header SSI solo en /guias)
==================================================================== */
.guias-nav {
    /* Paleta local — igual que .guias-index para continuidad */
    --gi-bg: #f2f0eb;
    --gi-ink: #0c0c0a;
    --gi-ink-muted: #6b6960;
    --gi-border-hard: #0c0c0a;
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    position: sticky;
    top: 0;
    z-index: 100;

    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 40px;

    /* Bloque sólido: nada transparente, nada con blur */
    background-color: var(--gi-bg);
    background-image: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;

    border-bottom: 1.5px solid var(--gi-border-hard);
    font-family: var(--font-body);
}

/* Logo — exactamente igual que boceto.html */
.guias-nav .logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 16px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gi-ink);
    text-decoration: none;
    line-height: 1;
}

.guias-nav .logo:hover {
    color: var(--gi-ink);
}

/* Links — boceto: 12px, 0.12em */
.guias-nav .nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.guias-nav .nav-links a {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gi-ink-muted);
    text-decoration: none;
    transition: color 0.15s ease;
    padding-bottom: 2px;
}

.guias-nav .nav-links a:hover {
    color: var(--gi-ink);
}

.guias-nav .nav-links a.active,
.guias-nav .nav-links a[aria-current="page"] {
    color: var(--gi-ink);
    border-bottom: 1.5px solid var(--gi-ink);
}

/* Burger (mobile placeholder) */
.guias-nav .nav-burger {
    display: none;
    background: transparent;
    border: 0;
    padding: 4px;
    cursor: pointer;
    color: var(--gi-ink);
    font-size: 22px;
    line-height: 1;
}

/* ====================================================================
   2. WRAPPER GUÍAS-INDEX
==================================================================== */
.guias-index {
    --gi-bg: #f2f0eb;
    --gi-surface: #ffffff;
    --gi-ink: #0c0c0a;
    --gi-ink-muted: #6b6960;
    --gi-border: rgba(12, 12, 10, 0.18);
    --gi-border-hard: #0c0c0a;
    --gi-accent: #2D9B6F;
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --text-xs: 11px;
    --text-sm: 13px;
    --text-base: 15px;
    --text-md: 17px;
    --text-lg: 20px;
    --text-xl: 24px;
    --text-2xl: 32px;
    --text-3xl: clamp(36px, 4.5vw, 56px);

    background: var(--gi-bg);
    color: var(--gi-ink);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;

    /* Escapar del .container y ocupar todo el ancho del viewport */
    width: 100%;
    margin-top: 0;
}

/* ====================================================================
   3. HERO — OBSOLETO: movido a guias-nuevas.css como .guias-hero global.
      El hero ya no depende de .guias-index. No editar aquí.
   ==================================================================== */


/* ====================================================================
   4. FILTER BAR — Diseño editorial plano, NO pills redondeadas
   Alineado al mismo eje X que el h1 "GUÍAS" (padding-left: 40px).
==================================================================== */
.guias-index .filter-bar {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 18px 40px 18px 58px;
    overflow-x: auto;
    scrollbar-width: none;
    background: var(--gi-bg);
    border-bottom: 1.5px solid var(--gi-border-hard);
}

.guias-index .filter-bar::-webkit-scrollbar {
    display: none;
}

/* Etiqueta opcional antes de los filtros ("Filtrar por:") */
.guias-index .filter-label {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gi-ink-muted);
    flex-shrink: 0;
    margin-right: 4px;
}

/* Botón filtro — texto en mayúsculas con subrayado activo */
.guias-index .pill {
    flex-shrink: 0;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gi-ink-muted);
    background: transparent;
    border: 0;
    border-bottom: 1.5px solid transparent;
    padding: 4px 0;
    margin: 0;
    cursor: pointer;
    line-height: 1;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.guias-index .pill:hover {
    color: var(--gi-ink);
}

.guias-index .pill.active {
    color: var(--gi-ink);
    border-bottom-color: var(--gi-ink);
}

.guias-index .pill:focus-visible {
    outline: 2px dashed var(--gi-ink);
    outline-offset: 4px;
}

/* ====================================================================
   5. TAG compartida (etiquetas dentro de cards)
==================================================================== */
.guias-index .tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 9px;
    border: 1px solid rgba(12, 12, 10, 0.2);
    border-radius: 2px;
    color: var(--gi-ink-muted);
    background: transparent;
}

/* ====================================================================
   6. CTA / ARROW compartidos
==================================================================== */
.guias-index .mini-cta {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gi-ink);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    line-height: 1;
}

.guias-index .cta-arrow {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--gi-ink);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

/* ====================================================================
   7. ROW 1 — HERO + SIDE STACK
==================================================================== */
.guias-index .row-featured {
    display: grid;
    /* Hero más contenido, side-stack más ancho — proporción del boceto */
    grid-template-columns: minmax(0, 1fr) 420px;
    border-bottom: 1.5px solid var(--gi-border-hard);
}

.guias-index .card-hero {
    position: relative;
    overflow: hidden;
    border-right: 1.5px solid var(--gi-border-hard);
    padding: 48px 52px 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 36px;
    min-height: 380px;
    /* Sobre el fondo beige general — el overlay blanco creará contraste al hover */
    background: transparent;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s ease;
}

.guias-index .card-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gi-surface);
    /* BLANCO en lugar del verde */
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
}

.guias-index .card-hero:hover::after {
    transform: translateY(0);
}

.guias-index .card-hero>* {
    position: relative;
    z-index: 1;
}

.guias-index .card-hero-top {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.guias-index .hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Tag del hero: chip negro sólido estilo "DUELO DE TITANES" del boceto */
.guias-index .card-hero .tag {
    background: var(--gi-ink);
    color: #fff;
    border-color: var(--gi-ink);
    padding: 5px 11px;
    letter-spacing: 0.14em;
}

.guias-index .tag-num {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 700;
    color: rgba(12, 12, 10, 0.22);
    letter-spacing: 0.1em;
}

.guias-index .card-hero h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.03em;
    color: var(--gi-ink);
    text-transform: none;
    margin: 0;
}

.guias-index .card-hero p {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--gi-ink-muted);
    line-height: 1.7;
    max-width: 520px;
    margin: 0;
}

.guias-index .card-hero .card-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gi-ink);
}

.guias-index .card-hero:hover .cta-arrow {
    transform: rotate(45deg);
    border-color: var(--gi-ink);
}

/* Side stack */
.guias-index .side-stack {
    display: flex;
    flex-direction: column;
}

.guias-index .card-side {
    flex: 1;
    padding: 28px 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1.5px solid var(--gi-border-hard);
    text-decoration: none;
    color: inherit;
}

.guias-index .card-side:last-child {
    border-bottom: none;
}

.guias-index .card-side:hover {
    background: var(--gi-surface);
}

.guias-index .card-side h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    margin: 12px 0 8px;
    color: var(--gi-ink);
    text-transform: none;
}

.guias-index .card-side p {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    color: var(--gi-ink-muted);
    line-height: 1.55;
    margin: 0;
}

.guias-index .card-side .mini-cta {
    transition: transform 0.25s ease;
}

.guias-index .card-side:hover .mini-cta {
    transform: translateX(4px);
}


/* ====================================================================
   8. GUÍAS-GRID — Sistema unificado de tarjetas con cinta de marca
   Sustituye a las antiguas row-three / row-split / row-bottom.
==================================================================== */
.guias-index .guias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    /* dense rellena cualquier hueco vacío con la siguiente card que entre,
       evitando filas a medias cuando hay variantes wide/feature */
    grid-auto-flow: dense;
    gap: 18px;
    padding: 32px 40px 40px;
    background: var(--gi-bg);
}

.guias-index .guias-grid .card {
    position: relative;
    overflow: hidden;
    background: var(--gi-surface);
    border: 1.5px solid var(--gi-border-hard);
    padding: 32px 26px 26px;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    cursor: pointer;
}

/* Color-accent por marca: una sola variable controla cinta, hover-tint y h3-hover */
.guias-index .card--apple-iphone {
    --card-accent: #2997FF;
}

/* iOS blue */
.guias-index .card--apple-ipad {
    --card-accent: #FF6F61;
}

/* coral */
.guias-index .card--apple-mac {
    --card-accent: #6B6960;
}

/* graphite */
.guias-index .card--apple-watch {
    --card-accent: #FA5246;
}

/* watch red */
.guias-index .card--apple {
    --card-accent: #1d1a15;
}

/* espresso */
.guias-index .card--samsung {
    --card-accent: #1428A0;
}

/* Samsung blue */
.guias-index .card--google {
    --card-accent: #4285F4;
}

/* Google blue */
.guias-index .card--xiaomi {
    --card-accent: #FF6900;
}

/* Mi orange */
.guias-index .card--beats {
    --card-accent: #E2256B;
}

/* Beats magenta */
.guias-index .card--general {
    --card-accent: #6b6960;
}

/* warm gray */

/* Cinta de marca superior */
.guias-index .guias-grid .card::before {
    content: "";
    position: absolute;
    top: -1.5px;
    left: -1.5px;
    right: -1.5px;
    height: 5px;
    background: var(--card-accent, var(--gi-border-hard));
    transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

/* Hover dinámico: cinta crece, sombra dura, lift, tinte sutil de fondo,
   y h3 se tiñe del color de marca. Sensación "herramienta profesional". */
.guias-index .guias-grid .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 0 -1.5px var(--gi-border-hard);
    /* color-mix añade un 5% del color de marca sobre la superficie blanca:
       casi imperceptible pero da temperatura cromática al hover. */
    background: color-mix(in srgb, var(--card-accent, var(--gi-ink)) 5%, var(--gi-surface));
}

.guias-index .guias-grid .card:hover::before {
    height: 11px;
}

.guias-index .guias-grid .card:hover h3 {
    color: var(--card-accent, var(--gi-ink));
    transition: color 0.25s ease;
}

/* Folio fantasma en esquina inferior derecha */
.guias-index .guias-grid .card-idx {
    position: absolute;
    bottom: 8px;
    right: 22px;
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 800;
    line-height: 1;
    color: rgba(12, 12, 10, 0.06);
    pointer-events: none;
    letter-spacing: -0.04em;
    transition: color 0.25s ease;
}

.guias-index .guias-grid .card:hover .card-idx {
    color: rgba(12, 12, 10, 0.1);
}

/* Tag superior */
.guias-index .guias-grid .card .tag {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gi-ink-muted);
    margin-bottom: 16px;
    display: inline-block;
    line-height: 1;
    border: 0;
    padding: 0;
    background: transparent;
    align-self: flex-start;
}

/* Título */
.guias-index .guias-grid .card h3 {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--gi-ink);
    text-transform: none;
    max-width: 95%;
    transition: color 0.3s ease;
}

/* Descripción */
.guias-index .guias-grid .card p {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--gi-ink-muted);
    line-height: 1.55;
    margin-bottom: 22px;
    flex: 1;
}

/* CTA con subrayado y arrow */
.guias-index .guias-grid .card .card-cta {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gi-ink);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
    border-bottom: 1.5px solid var(--gi-ink);
    padding-bottom: 4px;
    line-height: 1;
    transition: gap 0.25s ease;
}

.guias-index .guias-grid .card:hover .card-cta {
    gap: 16px;
}

.guias-index .guias-grid .card .card-cta-arrow {
    font-size: 12px;
    transition: transform 0.25s ease;
}

/* === VARIANT: WIDE — ocupa 2 columnas (visual breaker) === */
.guias-index .card--wide {
    grid-column: span 2;
    min-height: 240px;
}

.guias-index .card--wide h3 {
    font-size: 28px;
    line-height: 1.1;
    max-width: 80%;
}

.guias-index .card--wide p {
    max-width: 540px;
    font-size: 15px;
}

/* === VARIANT: FEATURE — bloque oscuro destacado === */
.guias-index .card--feature {
    background: #1d1a15;
    border-color: #1d1a15;
    color: #f5f1ea;
    grid-column: span 2;
    min-height: 240px;
}

.guias-index .card--feature::before {
    background: #f5f1ea;
}

.guias-index .card--feature .tag {
    color: rgba(245, 241, 234, 0.55);
}

.guias-index .card--feature h3 {
    color: #f5f1ea;
    font-size: 28px;
    line-height: 1.1;
}

.guias-index .card--feature p {
    color: rgba(245, 241, 234, 0.65);
}

.guias-index .card--feature .card-cta {
    color: #f5f1ea;
    border-bottom-color: #f5f1ea;
}

.guias-index .card--feature .card-idx {
    color: rgba(245, 241, 234, 0.08);
}

.guias-index .card--feature:hover {
    background: #25211a;
}

/* En viewports estrechos las variantes wide/feature vuelven a 1 col */
@media (max-width: 720px) {

    .guias-index .card--wide,
    .guias-index .card--feature {
        grid-column: span 1;
    }
}

/* ─── Estado oculto para filtros ─── */
.guias-index .is-hidden {
    display: none !important;
}

/* ====================================================================
   12. RESPONSIVE
==================================================================== */
@media (max-width: 900px) {
    .guias-index .guias-hero {
        padding: 40px 15px 24px;
        min-height: 100vh;
        width: 100vw;
        margin-left: 50%;
        transform: translateX(-50%);
    }
    
    .guias-index .hero-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }
    
    .guias-index .hero-edition {
        width: 100%;
        align-self: flex-start;
        border-top: 1px solid rgba(245, 241, 234, 0.15);
        padding-top: 24px;
    }
    .guias-index .row-featured {
        grid-template-columns: 1fr;
    }

    .guias-index .card-hero {
        border-right: none;
        border-bottom: 1.5px solid var(--gi-border-hard);
        padding: 36px 28px;
        min-height: auto;
    }

    .guias-index .row-three {
        grid-template-columns: 1fr;
    }

    .guias-index .card-std {
        border-right: none;
        border-bottom: 1.5px solid var(--gi-border-hard);
    }

    .guias-index .card-std:last-child {
        border-bottom: none;
    }

    .guias-index .row-split {
        grid-template-columns: 1fr;
    }

    .guias-index .card-wide {
        border-right: none;
        border-bottom: 1.5px solid var(--gi-border-hard);
        padding: 28px 24px;
    }

    .guias-index .card-wide-label {
        display: none;
    }

    .guias-index .row-bottom {
        grid-template-columns: 1fr;
    }

    .guias-index .card-bottom {
        border-right: none;
        border-bottom: 1.5px solid var(--gi-border-hard);
    }

    .guias-index .card-bottom:last-child {
        border-bottom: none;
    }

    .guias-index .page-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px 24px;
    }

    .guias-index .page-header-meta {
        text-align: left;
    }

    .guias-index .filter-bar {
        padding: 14px 24px;
        gap: 20px;
    }

    .guias-nav {
        padding: 0 15px;
        height: 56px;
        width: 100vw;
        margin-left: 50%;
        transform: translateX(-50%);
    }

    .guias-nav .nav-links {
        gap: 18px;
    }

    .guias-nav .nav-links a {
        font-size: 11px;
        letter-spacing: 0.08em;
    }
}

@media (max-width: 600px) {
    .guias-nav .nav-links {
        display: none;
    }

    .guias-nav .nav-burger {
        display: inline-flex;
    }
}