/* ============================================================
   BIG-i · css/style.css
   Génesis Élite v2 · Stack: Vanilla HTML5 + CSS3 + Tailwind CDN
   ============================================================ */

/* === VARIABLES GLOBALES === */
:root {
    --primary-bg: #131312;
    --surface: #20201e;
    --electric-blue: #009FFE;
    --on-surface: #e5e2de;
    --on-surface-variant: #bfc7d4;
}

/* === BASE COMPARTIDA === */
body {
    background-color: var(--primary-bg);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* === NAVBAR === */
#mobile-menu {
    transform: translateY(-100%);
    transition: transform 0.3s ease-in-out;
}

#mobile-menu.active {
    transform: translateY(0);
}

/* === HERO SLIDER (index.html) === */
.hero-slide {
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero-slide.is-active {
    opacity: 1;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.hero-dot.is-active {
    width: 28px;
    border-radius: 4px;
    background: #ffffff;
}

.hero-arrow {
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.2s ease, border-color 0.2s ease;
}

#hero-section:hover .hero-arrow {
    opacity: 1;
}

@media (max-width: 767px) {
    .hero-arrow { display: none; }
}

/* === SCROLL-TO-TOP BUTTON (todas las páginas) === */
.scroll-top-btn {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================================
   INDEX — Componentes de la Home
   ============================================================ */

.glass-panel {
    background: rgba(29, 29, 27, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid #2A2A28;
}

.card-hover:hover {
    border-color: var(--electric-blue);
    background: rgba(0, 159, 254, 0.05);
}

.slider-container {
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.slider-container::-webkit-scrollbar {
    display: none;
}

/* ============================================================
   QUIÉNES SOMOS — Hero con fondo de cuadrícula
   ============================================================ */

.intelligence-core-bg {
    background-image:
        radial-gradient(circle at 50% 50%, rgba(155, 203, 255, 0.05) 0%, transparent 70%),
        linear-gradient(0deg, #131312 0%, rgba(19, 19, 18, 0.8) 100%);
    position: relative;
}

.intelligence-core-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L30 60M0 30L60 30' fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='0.5'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* ============================================================
   EQUIPO — Timeline de trayectoria
   ============================================================ */

.timeline-bullet::before {
    content: '';
    position: absolute;
    left: -17px;
    top: 6px;
    width: 8px;
    height: 8px;
    background-color: #009ffe;
    border-radius: 50%;
}

.timeline-line::after {
    content: '';
    position: absolute;
    left: -14px;
    top: 14px;
    bottom: -10px;
    width: 2px;
    background-color: #E5E7EB;
}

.last-timeline-item .timeline-line::after {
    display: none;
}

/* ============================================================
   ESTUDIOS — Grid masonry + filtros
   ============================================================ */

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    grid-auto-flow: dense;
    gap: 24px;
}

.card-featured {
    grid-column: span 2;
    grid-row: span 2;
}

.card-wide {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .card-featured,
    .card-wide {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.study-card {
    transition: all 0.3s ease-in-out;
}

.study-card:hover {
    box-shadow: 0 0 20px rgba(0, 159, 254, 0.25);
}

.study-card:hover img {
    transform: scale(1.03);
}

.filter-chip {
    cursor: pointer;
}

.filter-chip.active {
    background-color: #009FFE !important;
    color: #ffffff !important;
    border-color: #009FFE !important;
}

.filter-chip.active:hover {
    opacity: 0.88;
    background-color: #009FFE !important;
    color: #ffffff !important;
    border-color: #009FFE !important;
}

.hero-map-bg {
    background:
        linear-gradient(rgba(19, 19, 18, 0.8), rgba(19, 19, 18, 0.8)),
        url('https://images.unsplash.com/photo-1524661135-423995f22d0b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}

/* ============================================================
   CONTACTO — Radar animado + formulario flotante
   ============================================================ */

@keyframes radar-ping {
    0%   { transform: scale(0.5); opacity: 0.8; }
    100% { transform: scale(2.5); opacity: 0; }
}

.radar-circle {
    position: absolute;
    border: 1px solid #9bcbff;
    border-radius: 50%;
    animation: radar-ping 4s infinite cubic-bezier(0, 0, 0.2, 1);
}

.radar-circle:nth-child(2) { animation-delay: 1s; }
.radar-circle:nth-child(3) { animation-delay: 2s; }
.radar-circle:nth-child(4) { animation-delay: 3s; }

.form-floating-label:focus-within label,
.form-floating-label input:not(:placeholder-shown) + label,
.form-floating-label textarea:not(:placeholder-shown) + label {
    transform: translateY(-1.5rem) scale(0.85);
    color: #009ffe;
}

/* ============================================================
   BADGES DE CATEGORÍA — Estudios (color por sector)
   ============================================================ */

.badge-energia        { display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.25); }
.badge-infraestructura{ display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(59,130,246,.12);color:#60a5fa;border:1px solid rgba(59,130,246,.25); }
.badge-territorio     { display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(16,185,129,.12);color:#34d399;border:1px solid rgba(16,185,129,.25); }
.badge-social         { display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(244,63,94,.12);color:#fb7185;border:1px solid rgba(244,63,94,.25); }
.badge-tecnologia     { display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:rgba(139,92,246,.12);color:#a78bfa;border:1px solid rgba(139,92,246,.25); }

/* ============================================================
   NAVBAR — Underline animado + centrado absoluto
   ============================================================ */

.nav-link {
    position: relative;
    padding-bottom: 3px;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #009FFE;
    border-radius: 1px;
    transition: width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link.nav-active::after {
    width: 100%;
}

/* ============================================================
   ESTUDIOS — Directorio Estratégico de Módulos (v2.1)
   Panel de navegación estilo GIS Dashboard Enterprise
   ============================================================ */

/* Etiqueta de sector */
.dir-sector-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: #89919e;
    text-transform: uppercase;
    padding: 18px 14px 10px;
    border-bottom: 1px solid #e2e8f0;
    font-family: 'Inter', sans-serif;
}

.dir-sector-label::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #009FFE;
    flex-shrink: 0;
    opacity: 0.7;
}

/* Fila de módulo */
.dir-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-left: 3px solid transparent;
    border-bottom: 1px solid #f8fafc;
    text-decoration: none;
    color: #1D1D1B;
    transition: border-left-color 0.18s ease,
                background 0.18s ease,
                padding-left 0.18s ease;
    background: white;
    position: relative;
}

.dir-row:hover {
    border-left-color: #009FFE;
    background: linear-gradient(90deg, rgba(0,159,254,0.055) 0%, rgba(0,159,254,0.01) 55%, transparent 100%);
    padding-left: 20px;
}

/* Fila destacada (Flagship) */
.dir-row.featured {
    border-left-color: rgba(0,159,254,0.4);
    background: linear-gradient(90deg, rgba(0,159,254,0.045) 0%, transparent 65%);
}

.dir-row.featured:hover {
    border-left-color: #009FFE;
    background: linear-gradient(90deg, rgba(0,159,254,0.09) 0%, rgba(0,159,254,0.02) 55%, transparent 100%);
}

/* Número índice */
.dir-index {
    font-size: 11px;
    font-weight: 700;
    color: #c9d0d8;
    min-width: 22px;
    letter-spacing: 0.04em;
    font-feature-settings: 'tnum';
    transition: color 0.18s;
    flex-shrink: 0;
}

.dir-row:hover .dir-index,
.dir-row.featured .dir-index {
    color: #009FFE;
}

/* Icono de módulo */
.dir-icon {
    font-size: 20px !important;
    color: #009FFE;
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.18s, transform 0.18s ease;
}

.dir-row:hover .dir-icon {
    opacity: 1;
    transform: scale(1.12) rotate(-3deg);
}

.dir-row.featured .dir-icon {
    opacity: 0.85;
}

/* Contenido de texto */
.dir-content {
    flex: 1;
    min-width: 0;
}

.dir-name {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: #1D1D1B;
    transition: color 0.18s;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dir-row:hover .dir-name {
    color: #009FFE;
}

.dir-tag {
    display: block;
    font-size: 10px;
    color: #aab0ba;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: 2px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Flecha de navegación */
.dir-arrow {
    font-size: 16px !important;
    color: #dde3ea;
    flex-shrink: 0;
    transition: transform 0.18s ease, color 0.18s;
}

.dir-row:hover .dir-arrow {
    transform: translateX(5px);
    color: #009FFE;
}

/* Badge (Flagship / Nuevo) */
.dir-badge {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 20px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Grupo de sector (wrapper para ocultar en búsqueda) */
.dir-sector-group {
    margin-bottom: 0;
}

/* Hover en nombre largo: mostrar tooltip nativo vía title */
@media (max-width: 1024px) {
    .dir-name,
    .dir-tag {
        white-space: normal;
    }
}