/* ==========================================
   NIDU.CSS — Página dedicada del SaaS Nidu
   Base cian (CJ_CORE) + acentos dorados (identidad Nidu)
   ========================================== */

:root {
    --primary-cyan: #00F0FF;
    --nidu-gold: #D4B483;
    --nidu-gold-soft: rgba(212, 180, 131, 0.12);
    --nidu-gold-line: rgba(212, 180, 131, 0.35);
}

/* ==========================================
   CHROME COMPARTIDO (nebulosa, sidebar, overlays)
   Replicado del resto de páginas para que el power/terminal/reset
   funcionen igual. Los overlays están OCULTOS hasta activarse.
   ========================================== */
.tech-nebula-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(0, 79, 84, 0.12) 0%, transparent 50%),
        linear-gradient(160deg, #050608 0%, #0d0e13 100%);
    overflow: hidden;
}

#sidebar {
    width: 70px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 60;
}
#sidebar:hover { width: 240px; }

.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

#encryption-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    backdrop-filter: blur(24px);
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
#encryption-overlay.active { display: flex; }

#purge-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 210;
    background: #0A0B10;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
#purge-overlay.active { display: flex; }

#terminal-overlay {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 320px;
    height: 224px;
    background: rgba(10, 11, 16, 0.95);
    border: 1px solid var(--primary-cyan);
    z-index: 150;
    font-family: monospace;
    font-size: 10px;
    padding: 10px;
    color: var(--primary-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
}
#terminal-overlay.active { display: flex; flex-direction: column; }

/* Sidebar en táctil: se abre con click */
@media (hover: none) {
    #sidebar { width: 50px; }
    #sidebar.open { width: 240px; }
    #sidebar.open .opacity-0 { opacity: 1; }
}

/* El main hereda el patrón de las otras páginas (scroll vertical) */
#nidu-main {
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(212,180,131,0.06), transparent 60%),
        radial-gradient(900px 500px at 0% 110%, rgba(0,240,255,0.05), transparent 55%);
}

.nidu-wrap {
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
}

/* ===== Etiquetas tipo terminal ===== */
.nidu-eyebrow {
    font-family: 'Space Grotesk', monospace;
    font-size: 11px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(0, 240, 255, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.nidu-eyebrow::before {
    content: "";
    width: 26px; height: 1px;
    background: rgba(0, 240, 255, 0.5);
}

/* ===== HERO ===== */
.nidu-hero {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 72px 0 64px;
}
@media (max-width: 980px) {
    .nidu-hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 0 40px; }
}

.nidu-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(64px, 9vw, 116px);
    line-height: 0.92;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 18px 0 0;
    color: #fff;
}
.nidu-title .accent {
    color: var(--nidu-gold);
    text-shadow: 0 0 30px rgba(212, 180, 131, 0.35);
}
.nidu-tagline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    margin: 22px 0 0;
    line-height: 1.25;
}
.nidu-tagline b { color: var(--nidu-gold); font-weight: 600; }
.nidu-lead {
    font-family: 'Space Grotesk', monospace;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    margin: 20px 0 0;
    max-width: 520px;
}

.nidu-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.nidu-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'Space Grotesk', monospace;
    font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
    padding: 7px 12px;
    border: 1px solid var(--nidu-gold-line);
    color: var(--nidu-gold);
    background: var(--nidu-gold-soft);
}
.nidu-badge .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--nidu-gold); box-shadow: 0 0 8px var(--nidu-gold);
    animation: pulse 2s infinite;
}
.nidu-badge.cyan {
    border-color: rgba(0,240,255,0.3); color: rgba(0,240,255,0.85);
    background: rgba(0,240,255,0.05);
}

.nidu-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.nidu-btn {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: 'Space Grotesk', monospace;
    font-size: 12px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
    padding: 15px 26px;
    text-decoration: none;
    transition: transform .3s, box-shadow .3s, background .3s, border-color .3s;
}
.nidu-btn .material-symbols-outlined { font-size: 18px; transition: transform .3s; }
.nidu-btn-primary {
    background: var(--nidu-gold);
    color: #1a1407;
    box-shadow: 0 0 28px rgba(212, 180, 131, 0.3);
}
.nidu-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 40px rgba(212, 180, 131, 0.45); }
.nidu-btn-primary:hover .material-symbols-outlined { transform: translateX(4px); }
.nidu-btn-ghost {
    border: 1px solid rgba(0, 240, 255, 0.4);
    color: rgba(0, 240, 255, 0.9);
    background: rgba(0, 240, 255, 0.04);
}
.nidu-btn-ghost:hover { border-color: #00F0FF; background: rgba(0,240,255,0.1); transform: translateY(-3px); }

/* ===== Mockup de la captura (browser frame) ===== */
.nidu-shot {
    position: relative;
    border: 1px solid rgba(0, 240, 255, 0.18);
    background: rgba(10, 11, 16, 0.6);
    backdrop-filter: blur(8px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.55), 0 0 50px rgba(212,180,131,0.08);
}
.nidu-shot-bar {
    display: flex; align-items: center; gap: 8px;
    padding: 11px 14px;
    border-bottom: 1px solid rgba(0,240,255,0.1);
    background: rgba(0,0,0,0.35);
}
.nidu-shot-bar i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.nidu-shot-bar i:nth-child(1){ background:#ff5f56; }
.nidu-shot-bar i:nth-child(2){ background:#ffbd2e; }
.nidu-shot-bar i:nth-child(3){ background:#27c93f; }
.nidu-shot-url {
    margin-left: 12px;
    font-family: 'Space Grotesk', monospace;
    font-size: 10px; letter-spacing: 0.12em;
    color: rgba(255,255,255,0.35);
}
.nidu-shot img { display: block; width: 100%; height: auto; }
.nidu-shot::after {
    content: "";
    position: absolute; inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 60px rgba(0,0,0,0.4);
}
.nidu-shot-corner {
    position: absolute; width: 16px; height: 16px; z-index: 2;
    border: 1px solid var(--nidu-gold);
}
.nidu-shot-corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.nidu-shot-corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* ===== GALERÍA "POR DENTRO" — capturas reales del panel ===== */
.nidu-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
@media (max-width: 760px) { .nidu-gallery { grid-template-columns: 1fr; } }

.nidu-gitem {
    border: 1px solid rgba(0, 240, 255, 0.14);
    background: rgba(10, 11, 16, 0.55);
    overflow: hidden;
    transition: border-color .4s, transform .4s, box-shadow .4s;
}
.nidu-gitem:hover {
    border-color: var(--nidu-gold-line);
    transform: translateY(-4px);
    box-shadow: 0 18px 50px rgba(0,0,0,0.45), 0 0 30px rgba(212,180,131,0.08);
}
.nidu-gbar {
    display: flex; align-items: center; gap: 7px;
    padding: 9px 12px;
    border-bottom: 1px solid rgba(0,240,255,0.1);
    background: rgba(0,0,0,0.35);
}
.nidu-gbar i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.nidu-gbar i:nth-child(1){ background:#ff5f56; }
.nidu-gbar i:nth-child(2){ background:#ffbd2e; }
.nidu-gbar i:nth-child(3){ background:#27c93f; }
.nidu-gbar span {
    margin-left: 8px;
    font-family: 'Space Grotesk', monospace;
    font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
    color: rgba(212,180,131,0.7);
}
.nidu-gmedia { position: relative; overflow: hidden; background: #0a0a0e; }
.nidu-gmedia img {
    display: block; width: 100%; height: auto;
    transition: transform .6s;
}
.nidu-gitem:hover .nidu-gmedia img { transform: scale(1.02); }
.nidu-gmedia img { cursor: zoom-in; }

/* ===== Lightbox (ampliar captura al hacer clic) ===== */
.nidu-lightbox {
    position: fixed; inset: 0; z-index: 2000;
    display: none; align-items: center; justify-content: center;
    padding: 5vh 4vw;
    background: rgba(5,6,10,0.93);
    -webkit-backdrop-filter: blur(7px); backdrop-filter: blur(7px);
    cursor: zoom-out;
    animation: nidu-lb-in .25s ease;
}
.nidu-lightbox.open { display: flex; }
@keyframes nidu-lb-in { from { opacity: 0; } to { opacity: 1; } }
.nidu-lightbox img {
    max-width: 92vw; max-height: 86vh; width: auto; height: auto;
    border: 1px solid var(--nidu-gold-line);
    border-radius: 3px;
    box-shadow: 0 30px 90px rgba(0,0,0,0.65), 0 0 40px rgba(212,180,131,0.1);
}
.nidu-lb-close {
    position: absolute; top: 18px; right: 22px;
    font-family: 'Space Grotesk', monospace;
    font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--nidu-gold);
    background: rgba(0,0,0,0.45);
    border: 1px solid var(--nidu-gold-line);
    padding: 8px 14px; border-radius: 2px; cursor: pointer;
    transition: background .3s, color .3s;
}
.nidu-lb-close:hover { background: var(--nidu-gold); color: #0a0b10; }
.nidu-lb-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 2;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 30px; line-height: 1; color: var(--nidu-gold);
    background: rgba(0,0,0,0.45);
    border: 1px solid var(--nidu-gold-line);
    border-radius: 50%;
    cursor: pointer;
    transition: background .3s, color .3s, transform .15s;
    -webkit-tap-highlight-color: transparent;
}
.nidu-lb-nav:hover { background: var(--nidu-gold); color: #0a0b10; }
.nidu-lb-prev { left: 22px; padding-right: 3px; }
.nidu-lb-next { right: 22px; padding-left: 3px; }
@media (max-width: 600px) {
    .nidu-lb-nav { width: 42px; height: 42px; font-size: 24px; }
    .nidu-lb-prev { left: 10px; }
    .nidu-lb-next { right: 10px; }
}
.nidu-lb-cap {
    position: absolute; bottom: 20px; left: 0; right: 0; text-align: center;
    font-family: 'Space Grotesk', monospace;
    font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    pointer-events: none;
}
.nidu-gcap { padding: 16px 18px; }
.nidu-gbiz {
    display: inline-block;
    font-family: 'Space Grotesk', monospace;
    font-size: 9px; font-weight: 600;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--nidu-gold);
    background: var(--nidu-gold-soft);
    border: 1px solid var(--nidu-gold-line);
    padding: 3px 9px; border-radius: 2px;
    margin-bottom: 10px;
}
.nidu-gcap h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px; font-weight: 600; color: #fff;
    margin: 0 0 5px;
}
.nidu-gcap p {
    font-family: 'Space Grotesk', monospace;
    font-size: 11px; line-height: 1.6; color: rgba(255,255,255,0.5);
    margin: 0;
}

/* ===== SECCIÓN GENÉRICA ===== */
.nidu-section { padding: 56px 0; border-top: 1px solid rgba(0,240,255,0.08); }
.nidu-section-head { max-width: 640px; margin-bottom: 40px; }
.nidu-h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05;
    text-transform: uppercase;
    color: #fff;
    margin: 16px 0 0;
}
.nidu-h2 .accent { color: var(--nidu-gold); }
.nidu-sub {
    font-family: 'Space Grotesk', monospace;
    font-size: 13px; line-height: 1.7;
    color: rgba(255,255,255,0.5);
    margin: 14px 0 0;
}

/* ===== FEATURES GRID ===== */
.nidu-feats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
@media (max-width: 900px) { .nidu-feats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .nidu-feats { grid-template-columns: 1fr; } }

.nidu-feat {
    position: relative;
    border: 1px solid rgba(0,240,255,0.12);
    background: rgba(10,11,16,0.5);
    padding: 26px 24px;
    transition: border-color .35s, transform .35s, background .35s;
    overflow: hidden;
}
.nidu-feat::before {
    content: "";
    position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, var(--nidu-gold), transparent);
    opacity: 0; transition: opacity .35s;
}
.nidu-feat:hover { border-color: var(--nidu-gold-line); transform: translateY(-4px); background: rgba(212,180,131,0.04); }
.nidu-feat:hover::before { opacity: 1; }
.nidu-feat-ico {
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--nidu-gold-line);
    background: var(--nidu-gold-soft);
    color: var(--nidu-gold);
    margin-bottom: 18px;
}
.nidu-feat-ico .material-symbols-outlined { font-size: 24px; }
.nidu-feat-n {
    font-family: 'Space Grotesk', monospace;
    font-size: 10px; letter-spacing: 0.2em; color: rgba(0,240,255,0.4);
    position: absolute; top: 24px; right: 24px;
}
.nidu-feat-t {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 17px; font-weight: 600; color: #fff;
    margin: 0 0 8px; line-height: 1.2;
}
.nidu-feat-d {
    font-family: 'Space Grotesk', monospace;
    font-size: 12px; line-height: 1.6; color: rgba(255,255,255,0.5);
    margin: 0;
}

/* ===== PARA QUIÉN ===== */
.nidu-targets { display: flex; flex-wrap: wrap; gap: 12px; }
.nidu-target {
    display: inline-flex; align-items: center; gap: 10px;
    border: 1px solid rgba(0,240,255,0.15);
    background: rgba(10,11,16,0.5);
    padding: 14px 20px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px; color: rgba(255,255,255,0.8);
    transition: border-color .3s, color .3s;
}
.nidu-target:hover { border-color: var(--nidu-gold-line); color: var(--nidu-gold); }
.nidu-target .material-symbols-outlined { font-size: 20px; color: var(--nidu-gold); }

/* ===== STACK STRIP ===== */
.nidu-strip {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
    gap: 24px;
    border: 1px solid rgba(0,240,255,0.12);
    background: rgba(10,11,16,0.55);
    padding: 28px 30px;
}
.nidu-strip-label {
    font-family: 'Space Grotesk', monospace;
    font-size: 10px; letter-spacing: 0.25em; text-transform: uppercase;
    color: rgba(255,255,255,0.4); margin-bottom: 12px;
}
.nidu-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.nidu-chip {
    font-family: 'Space Grotesk', monospace;
    font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 8px 14px;
    border: 1px solid rgba(0,240,255,0.2);
    color: rgba(0,240,255,0.8);
}
.nidu-progress-wrap { min-width: 220px; flex: 1; max-width: 320px; }
.nidu-progress-top {
    display: flex; justify-content: space-between;
    font-family: 'Space Grotesk', monospace; font-size: 11px;
    text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--nidu-gold); margin-bottom: 8px;
}
.nidu-progress {
    height: 6px; background: rgba(212,180,131,0.15); overflow: hidden;
}
.nidu-progress > span {
    display: block; height: 100%; width: 100%;
    background: var(--nidu-gold); box-shadow: 0 0 12px rgba(212,180,131,0.6);
}

/* ===== FAQ ===== */
.nidu-faq { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.nidu-faq-item {
    border: 1px solid rgba(0,240,255,0.12);
    background: rgba(10,11,16,0.5);
    transition: border-color .3s, background .3s;
}
.nidu-faq-item[open] { border-color: var(--nidu-gold-line); background: rgba(212,180,131,0.04); }
.nidu-faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 22px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px; font-weight: 600; color: #fff;
}
.nidu-faq-item summary::-webkit-details-marker { display: none; }
.nidu-faq-item summary::after {
    content: "+";
    font-family: monospace; font-size: 22px; font-weight: 400;
    color: var(--nidu-gold); line-height: 1; flex: none;
    transition: transform .3s;
}
.nidu-faq-item[open] summary::after { transform: rotate(45deg); }
.nidu-faq-item summary:hover { color: var(--nidu-gold); }
.nidu-faq-answer {
    padding: 0 22px 20px;
    font-family: 'Space Grotesk', monospace;
    font-size: 13.5px; line-height: 1.75;
    color: rgba(255,255,255,0.62);
}
.nidu-faq-answer b { color: var(--nidu-gold); font-weight: 600; }

/* ===== CTA BAND ===== */
.nidu-cta {
    position: relative;
    text-align: center;
    border: 1px solid var(--nidu-gold-line);
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(212,180,131,0.1), transparent 70%),
        rgba(10,11,16,0.6);
    padding: 64px 32px;
    margin: 56px 0 40px;
    overflow: hidden;
}
.nidu-cta-corner { position: absolute; width: 22px; height: 22px; border: 1px solid var(--nidu-gold); }
.nidu-cta-corner.tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.nidu-cta-corner.tr { top: 14px; right: 14px; border-left: 0; border-bottom: 0; }
.nidu-cta-corner.bl { bottom: 14px; left: 14px; border-right: 0; border-top: 0; }
.nidu-cta-corner.br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }
.nidu-cta h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; text-transform: uppercase;
    font-size: clamp(26px, 4vw, 40px);
    color: #fff; margin: 0 0 14px; line-height: 1.1;
}
.nidu-cta p {
    font-family: 'Space Grotesk', monospace;
    font-size: 13px; color: rgba(255,255,255,0.55);
    max-width: 480px; margin: 0 auto 30px; line-height: 1.7;
}

/* ===== Entrada suave al hacer scroll ===== */
.nidu-reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.nidu-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .nidu-reveal { opacity: 1 !important; transform: none !important; }
}

/* ==========================================
   RESPONSIVE — mismo patrón probado que sobre-mi / mis-proyectos.
   En táctil el sidebar flota encima (se abre al tocarlo) y el
   contenido pasa de "fijo" a scroll natural del documento.
   ========================================== */

/* Fondo oscuro tras el sidebar abierto (táctil) */
#sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}
#sidebar-backdrop.active { display: block; }

/* Tablet y móvil (≤1024px): sidebar deja de empujar, main scroll natural */
@media (max-width: 1024px) {
    #sidebar {
        z-index: 60 !important;
        width: 70px !important;
        /* Viewport dinámico: la barra del navegador móvil no tapa los botones de abajo */
        height: calc(100dvh - 3.5rem) !important;
        overflow-y: auto;
        overflow-x: hidden;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
    /* En táctil la expansión solo ocurre al tocar (.open), no por hover */
    #sidebar:hover { width: 70px; }
    #sidebar.open { width: 240px !important; }
    #sidebar.open .opacity-0 { opacity: 1 !important; }

    #nidu-main {
        position: relative !important;
        height: auto !important;
        min-height: calc(100vh - 3.5rem) !important;
        overflow: visible !important;
        top: 0 !important;
        left: 0 !important;
        right: auto !important;
        bottom: auto !important;
        margin-top: 3.5rem !important;
        padding-left: 70px !important;
    }
}

/* Móvil (≤768px): menú de texto oculto, paddings más compactos */
@media (max-width: 768px) {
    nav .hidden.md\:flex { display: none !important; }
    .nidu-wrap { padding: 0 18px; }
    .nidu-hero { padding: 32px 0 28px; }
    .nidu-section { padding: 40px 0; }
    .nidu-cta { padding: 36px 22px; }
}

/* Móvil pequeño (≤480px) */
@media (max-width: 480px) {
    /* El padding debe igualar el ancho del sidebar (70px) para que no se solapen */
    #nidu-main { padding-left: 70px !important; }
    .nidu-wrap { padding: 0 14px; }
}