/* ==========================================================================
   PALETA DE COLORES Y VARIABLES CORPORATIVAS (DND SYSTEMS)
   ========================================================================== */
:root {
    --primary-navy: #0a192f;
    --accent-orange: #f97316;
    --secondary-green: #10b981;
    --light-cyan: #06b6d4;
    
    --bg-main: #020617;
    --bg-card: #1e293b;
    --bg-navbar: rgba(10, 25, 47, 0.95);
    --border-color: rgba(6, 182, 212, 0.15);
    
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-navbar: rgba(241, 245, 249, 0.95);
    --border-color: rgba(15, 23, 42, 0.1);
    --text-primary: #0f172a;
    --text-muted: #64748b;
    --text-light: #0f172a;
}

/* Reset de padding para eliminar la franja superior duplicada */
body {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    font-family: 'Urbanist', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUpProgress 1s cubic-bezier(0.215, 0.610, 0.355, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUpProgress {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   NAVBAR & BRANDING
   ========================================================================== */
.navbar-dnd {
    background-color: var(--bg-navbar) !important;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.logo-container {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo-img-main {
    height: 42px;
    width: auto;
    object-fit: contain;
    transition: filter 0.3s ease;
}

[data-theme="light"] .logo-img-main {
    filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.15));
}

.navbar-brand-text {
    font-weight: 700;
    color: var(--text-light) !important;
}

.navbar-brand-text span {
    color: var(--accent-orange);
}

.nav-link {
    color: var(--text-primary) !important;
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-orange) !important;
}

/* Dropdowns estilizados */
.dropdown-menu-dnd {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--accent-orange);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.dropdown-menu-dnd .dropdown-item {
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1.2rem;
    transition: all 0.2s ease;
}

.dropdown-menu-dnd .dropdown-item:hover {
    background-color: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    transform: translateX(4px);
}

/* ==========================================================================
   BOTONES PERSONALIZADOS
   ========================================================================== */
.btn-dnd-primary {
    background-color: var(--accent-orange);
    border: 2px solid var(--accent-orange);
    color: #ffffff !important;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-dnd-primary:hover {
    background-color: #ea580c;
    border-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.btn-dnd-outline {
    background-color: transparent;
    border: 2px solid var(--accent-orange);
    color: var(--text-primary) !important;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-dnd-outline:hover {
    background-color: var(--accent-orange);
    color: #ffffff !important;
    transform: translateY(-2px);
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--accent-orange);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    background-color: var(--accent-orange);
    color: #ffffff;
}

/* ==========================================================================
   CARDS, ACCORDION Y FORMULARIOS
   ========================================================================== */
.carousel-item {
    height: 75vh;
    min-height: 480px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.carousel-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.4), rgba(2, 6, 23, 0.85));
}

[data-theme="light"] .carousel-overlay {
    background: linear-gradient(to bottom, rgba(248, 250, 252, 0.3), rgba(248, 250, 252, 0.9));
}

.card-dnd-extended {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.card-dnd-extended:hover {
    border-color: var(--accent-orange);
}

.text-orange-dnd { color: var(--accent-orange) !important; }
.text-clear-dnd { color: var(--text-primary) !important; }

/* Corrección de Accordion */
.accordion-dnd .accordion-item {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    margin-bottom: 12px;
    overflow: hidden;
}

.accordion-dnd .accordion-button {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    box-shadow: none !important;
}

.accordion-dnd .accordion-button:not(.collapsed) {
    color: var(--accent-orange) !important;
    border-bottom: 1px solid var(--border-color);
}

.accordion-dnd .accordion-body {
    color: var(--text-primary);
    opacity: 0.85;
}

.contact-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
}

.form-control-dnd {
    background-color: var(--bg-main) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.form-control-dnd:focus {
    border-color: var(--accent-orange) !important;
    box-shadow: 0 0 0 0.25rem rgba(249, 115, 22, 0.25) !important;
}

.ghost-link {
    opacity: 0.3;
    color: var(--text-muted);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.ghost-link:hover {
    opacity: 1;
    color: var(--accent-orange);
}

/* Mega-Menu desplegable ancho */
.dropdown-mega-dnd {
    min-width: 320px;
    max-width: 420px;
    padding: 1.25rem;
    border-top: 3px solid var(--accent-orange) !important;
    border-radius: 0 0 12px 12px;
}

/* Card interna para sliders de Navbar */
.nav-preview-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
}

*******************************************************************
/* MEGA MENÚ SHOWCASE CORREGIDO */
.dropdown-menu-mega {
    min-width: 680px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    border: 1px solid var(--border-color) !important;
    border-top: 3px solid var(--accent-orange) !important;
    background-color: var(--bg-card) !important;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4) !important;
    border-radius: 12px !important;
    padding: 1.25rem !important;
    margin-top: 10px !important;
}

@media (max-width: 991.98px) {
    .dropdown-menu-mega {
        min-width: 100% !important;
        left: 0 !important;
        transform: none !important;
    }
}

/* Tarjetas de Prueba / Test */
.mega-card-test {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    text-decoration: none;
    transition: all 0.25s ease;
    height: 100%;
}

.mega-card-test:hover {
    border-color: var(--accent-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

.mega-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.mega-card-test:hover .mega-icon-box {
    background-color: var(--accent-orange);
    color: #ffffff;
}

.mega-card-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    margin: 0;
}

.mega-card-subtitle {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin: 0;
}