/* ==========================================================================
   NEXUS 360 - Main Stylesheet (Identidad Corporativa y Colores Oficiales)
   ========================================================================== */

:root {
    /* Paleta Oficial NEXUS 360 */
    --primary: #2D3178;             /* Azul Índigo Profundo */
    --primary-hover: #21245E;       /* Azul Índigo Oscuro */
    --primary-glow: rgba(45, 49, 120, 0.45);
    
    --accent: #E58A20;              /* Naranja Dorado / Ámbar */
    --accent-hover: #C67313;        /* Naranja Oscuro */
    --accent-glow: rgba(229, 138, 32, 0.35);

    /* Fondos y Estructura */
    --bg-dark: #0F1026;             /* Fondo principal con tinte Azul Marino */
    --bg-darker: #090A19;           /* Fondo secundario más profundo */
    --card-bg: #16183B;             /* Tarjetas en Azul Noche */
    --border-color: #2D3178;        /* Bordes definidos en tono primario */
    
    /* Tipografía y Textos */
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar {
    background: rgba(15, 16, 38, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: #FFFFFF !important;
    letter-spacing: -0.5px;
}

.navbar-brand span {
    color: var(--accent) !important;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover, 
.nav-link.active {
    color: var(--accent) !important;
}
.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.03);
}

/* --------------------------------------------------------------------------
   Hero Slider Principal
   -------------------------------------------------------------------------- */
.hero-slider-section {
    position: relative;
    padding-top: 100px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* Imágenes de fondo estilizadas */
.hero-slide-1 {
    background: linear-gradient(rgba(15, 16, 38, 0.88), rgba(9, 10, 25, 0.95)), 
                url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?w=1600&auto=format&fit=crop&q=80') no-repeat center center;
    background-size: cover;
}

.hero-slide-2 {
    background: linear-gradient(rgba(15, 16, 38, 0.88), rgba(9, 10, 25, 0.95)), 
                url('https://images.unsplash.com/photo-1556742049-0a67d553625d?w=1600&auto=format&fit=crop&q=80') no-repeat center center;
    background-size: cover;
}

.hero-slide-3 {
    background: linear-gradient(rgba(15, 16, 38, 0.88), rgba(9, 10, 25, 0.95)), 
                url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?w=1600&auto=format&fit=crop&q=80') no-repeat center center;
    background-size: cover;
}

.carousel-item {
    min-height: 550px;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: block;
    visibility: hidden;
}

.carousel-item.active {
    opacity: 1;
    position: relative;
    visibility: visible;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    background: linear-gradient(135deg, #FFFFFF 40%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted) !important;
    margin-bottom: 2rem;
    opacity: 1 !important;
}

/* Visibilidad y Formularios */
p, .text-muted, section p, .card-text, small {
    color: var(--text-muted) !important;
    opacity: 1 !important;
}

.form-control, 
.form-select {
    background-color: #11142F !important;
    color: #FFFFFF !important;
    border-color: var(--border-color) !important;
}

.form-control:focus, 
.form-select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 0.25rem var(--accent-glow) !important;
}

.form-control::placeholder {
    color: #94A3B8 !important;
    opacity: 1;
}

.form-select option {
    background-color: #11142F;
    color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   Carrusel de Diseños Destacados (Marquee Infinite)
   -------------------------------------------------------------------------- */
.featured-carousel-wrapper {
    position: relative;
    padding: 20px 0;
}

.marquee-container {
    overflow: hidden;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    display: flex;
    padding: 10px 0;
}

.marquee-container::before,
.marquee-container::after {
    content: "";
    position: absolute;
    top: 0;
    width: 80px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-dark), transparent);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-dark), transparent);
}

.marquee-track {
    display: flex;
    gap: 24px;
    width: max-content;
    animation: scrollMarquee 40s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.marquee-item {
    flex: 0 0 300px;
}

@keyframes scrollMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   Tarjetas de Diseños y Componentes
   -------------------------------------------------------------------------- */
.design-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.design-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 12px 30px var(--accent-glow);
}

.design-img-wrapper {
    position: relative;
    height: 220px;
    background: #090A19;
    overflow: hidden;
}

.design-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.design-card:hover .design-img-wrapper img {
    transform: scale(1.05);
}

.badge-category {
    background: rgb(255 255 255) !important;
    color: var(--accent) !important;
    border: 1px solid var(--accent);
    font-weight: 600;
}

/* Acciones en Tarjetas */
.design-card .btn-card-action {
    border-radius: 50px !important;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 38px;
    transition: var(--transition);
}

.design-card .btn-whatsapp-custom {
    background-color: #25D366 !important;
    border: none !important;
    color: #FFFFFF !important;
}

.design-card .btn-whatsapp-custom:hover {
    background-color: #20BA5A !important;
    color: #FFFFFF !important;
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Botones Personalizados
   -------------------------------------------------------------------------- */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover)) !important;
    border: none !important;
    color: #FFFFFF !important;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent)) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    color: #FFFFFF !important;
}

.btn-outline-custom {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-main);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-outline-custom:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   WhatsApp Flotante
   -------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: #FFFFFF;
    width: 60px;
    height: 60px;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    color: var(--text-muted);
}

footer h5 {
    color: #FFFFFF;
    font-weight: 700;
    margin-bottom: 20px;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--accent);
}