/* ============================================================
   IT2GO® Descargas — Portal Público
   Brand: Navy #001A2C | Green #00836F | Light Green #00A282
   ============================================================ */

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

:root {
    --navy:        #001A2C;
    --navy-80:     rgba(0,26,44,.8);
    --navy-05:     rgba(0,26,44,.05);
    --green:       #00836F;
    --green-light: #00A282;
    --green-10:    rgba(0,131,111,.10);
    --green-20:    rgba(0,131,111,.20);
    --white:       #ffffff;
    --gray-50:     #F8FAFC;
    --gray-100:    #F1F5F9;
    --gray-200:    #E2E8F0;
    --gray-400:    #94A3B8;
    --gray-600:    #475569;
    --gray-800:    #1E293B;
    --radius-sm:   6px;
    --radius:      10px;
    --radius-lg:   16px;
    --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
    --shadow:      0 4px 16px rgba(0,0,0,.10);
    --shadow-lg:   0 8px 32px rgba(0,0,0,.12);
    --font-body:   'Inter', system-ui, sans-serif;
    --font-display:'Plus Jakarta Sans', system-ui, sans-serif;
    --transition:  .18s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--gray-800);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---- Canvas animado ---- */
#neural-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 1;
}

/* ---- Contenedor ---- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   HEADER — solo logo centrado
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--navy);
    border-bottom: 2px solid var(--green);
    box-shadow: 0 2px 20px rgba(0,0,0,.35);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: opacity .2s;
}

.site-logo img:hover { opacity: .85; }

.logo-fallback {
    display: none;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -.02em;
}

.logo-fallback sup {
    font-size: .55em;
    color: var(--green-light);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    z-index: 1;
    background: linear-gradient(160deg, var(--navy) 0%, #002030 55%, #001825 100%);
    padding: 72px 24px 60px;
    text-align: center;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--green), var(--green-light), var(--green), transparent);
}

.hero-inner {
    max-width: 760px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    background: var(--green-10);
    border: 1px solid var(--green-20);
    color: var(--green-light);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 5px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -.03em;
    margin-bottom: 16px;
}

.hero-title span { color: var(--green-light); }

.hero-sub {
    color: rgba(255,255,255,.65);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buscador */
.search-bar {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--white);
    border-radius: var(--radius);
    padding: 6px 6px 6px 18px;
    max-width: 540px;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.search-bar svg { color: var(--gray-400); flex-shrink: 0; }

.search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: .95rem;
    padding: 8px 14px;
    background: transparent;
    color: var(--gray-800);
}

.search-bar input::placeholder { color: var(--gray-400); }

.search-bar button {
    background: var(--green);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-bar button:hover { background: var(--green-light); }

/* ============================================================
   FILTROS
   ============================================================ */
.filtros-section {
    position: relative;
    z-index: 1;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
}

.marcas-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.marca-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1.5px solid var(--gray-200);
    color: var(--gray-600);
    text-decoration: none;
    font-size: .875rem;
    font-weight: 500;
    transition: var(--transition);
    background: var(--white);
    cursor: pointer;
}

.marca-tab img {
    height: 20px;
    width: auto;
    object-fit: contain;
}

.tab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.marca-tab:hover {
    border-color: var(--tab-color, var(--green));
    color: var(--tab-color, var(--green));
    background: color-mix(in srgb, var(--tab-color, var(--green)) 6%, white);
}

.marca-tab.active {
    background: var(--tab-color, var(--green));
    border-color: var(--tab-color, var(--green));
    color: var(--white);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--tab-color, var(--green)) 30%, transparent);
}

/* Pills de producto */
.productos-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-100);
}

.pill {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 999px;
    border: 1.5px solid var(--gray-200);
    color: var(--gray-600);
    font-size: .8rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.pill:hover { border-color: var(--green); color: var(--green); }
.pill.active { background: var(--green); border-color: var(--green); color: var(--white); }

/* ============================================================
   CONTENIDO PRINCIPAL
   ============================================================ */
.main-content {
    position: relative;
    z-index: 1;
    padding: 40px 0 80px;
    background: var(--gray-50);
    min-height: 60vh;
}

/* ---- Grupo de producto ---- */
.producto-grupo {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

.producto-grupo:hover { box-shadow: var(--shadow); }

/* Encabezado del grupo */
.grupo-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}

.grupo-logo-wrap {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    position: relative;
}

.grupo-logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.grupo-logo-fallback {
    display: none;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 700;
}

.grupo-info { flex: 1; }

.grupo-marca {
    font-size: .75rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 3px;
}

.grupo-nombre {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
}

.grupo-count {
    font-size: .8rem;
    color: var(--gray-400);
    background: var(--gray-100);
    padding: 4px 12px;
    border-radius: 999px;
    white-space: nowrap;
}

/* ---- Tabla de versiones ---- */
.versiones-tabla { overflow-x: auto; }

.tabla-head {
    display: grid;
    grid-template-columns: 48px 1fr 130px 100px 100px 130px;
    gap: 0;
    padding: 10px 24px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
    font-size: .72rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: .07em;
}

.tabla-row {
    display: grid;
    grid-template-columns: 48px 1fr 130px 100px 100px 130px;
    gap: 0;
    padding: 14px 24px;
    align-items: center;
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition);
}

.tabla-row:last-child { border-bottom: none; }
.tabla-row:hover { background: var(--gray-50); }
.tabla-row.row-destacado { background: color-mix(in srgb, var(--green) 4%, white); }
.tabla-row.row-destacado:hover { background: color-mix(in srgb, var(--green) 7%, white); }

/* Icono en tabla */
.row-icono {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 6px;
}

.row-icono-fallback {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

/* Nombre y versión */
.row-nombre {
    font-size: .9rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 3px;
}

.row-version {
    font-size: .78rem;
    font-weight: 500;
    color: var(--green);
    font-family: 'Courier New', monospace;
}

.row-desc {
    font-size: .78rem;
    color: var(--gray-400);
    margin-top: 2px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-instalador { background: #EFF6FF; color: #2563EB; }
.badge-sp         { background: #FFF7ED; color: #EA580C; }
.badge-sol        { background: #FFF1F2; color: #E11D48; }
.badge-update     { background: #F0FDF4; color: #16A34A; }
.badge-otro       { background: var(--gray-100); color: var(--gray-600); }

.badge-latest {
    background: var(--green);
    color: var(--white);
    font-size: .65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: .04em;
    text-transform: uppercase;
}

/* Tamaño y fecha */
.row-size, .row-fecha {
    font-size: .82rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 5px;
}
.row-size.muted { color: var(--gray-400); }
.row-fecha { color: var(--gray-400); }

/* Botón descargar */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--navy);
    color: var(--white);
    text-decoration: none;
    font-size: .82rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-download:hover {
    background: var(--green);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,131,111,.35);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 24px;
    color: var(--gray-400);
}

.empty-state svg { margin-bottom: 16px; color: var(--gray-200); }
.empty-state h3 { font-size: 1.2rem; color: var(--gray-600); margin-bottom: 8px; }
.empty-state p { margin-bottom: 24px; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border: 1.5px solid var(--green);
    color: var(--green);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}
.btn-secondary:hover { background: var(--green); color: var(--white); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    position: relative;
    z-index: 1;
    background: var(--green);
    color: var(--white);
    padding: 28px 24px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -.02em;
}

.footer-logo sup { font-size: .6em; }

.footer-tagline {
    font-size: .8rem;
    opacity: .8;
    font-style: italic;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,.85);
    text-decoration: none;
    font-size: .85rem;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-copy {
    font-size: .78rem;
    opacity: .65;
    width: 100%;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,.2);
    margin-top: 8px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .tabla-head, .tabla-row {
        grid-template-columns: 36px 1fr 90px;
    }

    .col-tipo, .col-tamano, .col-fecha { display: none; }

    .hero { padding: 48px 20px 40px; }
    .hero-sub { font-size: .95rem; }

    .grupo-header { padding: 16px; }
    .versiones-tabla .tabla-row { padding: 12px 16px; }

    .btn-download { padding: 7px 12px; font-size: .78rem; }

    .footer-inner { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .marcas-tabs { gap: 6px; }
    .marca-tab { padding: 7px 12px; font-size: .8rem; }
    .marca-tab img { height: 16px; }
}

/* ============================================================
   FECHA DE LIBERACIÓN + FICHA TÉCNICA
   ============================================================ */

/* Columna fecha liberación en tabla */
.col-fecha-lib {
    display: flex;
    align-items: center;
}

.fecha-lib-wrap {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: .82rem;
    color: var(--navy);
    font-weight: 500;
}

.fecha-lib-wrap svg {
    color: var(--green);
    flex-shrink: 0;
}

/* Actualizar grid de columnas de tabla para nueva col */
.tabla-head,
.tabla-row {
    grid-template-columns: 48px 1fr 120px 110px 95px 190px;
}

/* Botón ficha técnica */
.btn-ficha {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--green-10);
    border: 1.5px solid var(--green-20);
    color: var(--green);
    text-decoration: none;
    font-size: .78rem;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-ficha:hover {
    background: var(--green);
    color: var(--white);
    border-color: var(--green);
}

/* Columna de acción con dos botones */
.col-accion {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

/* Responsive — ocultar fecha liberación en móvil chico */
@media (max-width: 900px) {
    .tabla-head,
    .tabla-row {
        grid-template-columns: 40px 1fr 100px 160px;
    }
    .col-tamano { display: none; }
}

@media (max-width: 640px) {
    .tabla-head,
    .tabla-row {
        grid-template-columns: 36px 1fr 140px;
    }
    .col-tipo, .col-fecha-lib { display: none; }
    .btn-ficha span { display: none; }
}