/* ===== ARQnode - ESTILOS PERSONALIZADOS ===== */
/* ============================================ */
/* === 1. VARIABLES GLOBALES (Modifica aquí) === */
/* ============================================ */

:root {
    /* ======================== */
    /* 1. COLORES PRINCIPALES  */
    /* ======================== */
    --color-bg-dark: #0c1215;     /* Fondo oscuro (navbar, secciones) */
    --color-bg-card: #ffffff;      /* Fondo de tarjetas */
    --color-bg-light: #f4f6f9;     /* Fondo de secciones claras */
    --color-text-dark: #1e293b;    /* Texto oscuro principal (legible sobre blanco) */
    --color-text-light: #ffffff;    /* Texto sobre fondos oscuros */
    --color-text-muted: #5c6b7a;    /* Texto secundario (gris suave) */

    /* ======================== */
    /* 2. COLORES DE ACENTO (Naranja Eléctrico) */
    /* ======================== */
    --color-primary: #ff5722;       /* Naranja Eléctrico 2: vibrante y moderno */
    --color-primary-dark: #e64a19;   /* Naranja oscuro para hover */
    --color-accent: #fde9e5;        /* Naranja muy suave para badges y detalles */
    --color-accent-dark: #bf360c;    /* Acento oscuro para elementos específicos */
    
    /* ======================== */
    /* 3. COLORES DE ICONOS Y BORDES */
    /* ======================== */
    --color-icon-bg: #fff0e8;       /* Fondo de iconos (naranja muy pálido) */
    --color-icon: #ff5722;          /* Color del icono */
    --color-border-light: #f0e2d9;  /* Bordes suaves (tono naranja claro) */
    --color-shadow: rgba(0, 0, 0, 0.05);
    
    /* ======================== */
    /* 4. TIPOGRAFÍA */
    /* ======================== */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* ======================== */
    /* 5. ESPACIADOS Y TAMAÑOS */
    /* ======================== */
    --section-padding-y: 5rem;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 2rem;
    
    /* ======================== */
    /* 6. SOMBRAS */
    /* ======================== */
    --shadow-sm: 0 4px 6px -1px var(--color-shadow);
    --shadow-md: 0 10px 15px -3px var(--color-shadow);
    --shadow-lg: 0 20px 25px -5px var(--color-shadow);
    --shadow-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.15);
    
    /* ======================== */
    /* 7. TRANSICIONES */
    /* ======================== */
    --transition-default: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

/* ============================================ */
/* === 2. ESTILOS BASE === */
/* ============================================ */

* {
    font-family: var(--font-family-base);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    line-height: 1.5;
}

a {
    text-decoration: none;
    transition: var(--transition-default);
}

/* ============================================ */
/* === 3. COMPONENTES (Navbar, Botones, Tarjetas) === */
/* ============================================ */

/* Navbar */
.navbar {
    background-color: var(--color-bg-dark) !important;
    padding: 1rem 0;
}

.navbar .nav-link,
.navbar .navbar-brand {
    color: var(--color-text-light) !important;
    font-weight: var(--font-weight-medium);
}

.navbar .nav-link:hover {
    color: var(--color-primary) !important;
}

.navbar-brand i {
    color: var(--color-primary);
}

/* Botones */
.btn {
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-default);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: transparent;
    color: var(--color-text-light);
}

.btn-outline-light:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.btn-outline-secondary {
    border: 1px solid var(--color-border-light);
    color: var(--color-text-dark);
}

.btn-outline-secondary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Badges */
.badge-soft {
    background-color: var(--color-accent);
    color: var(--color-accent-dark);
    font-weight: var(--font-weight-medium);
    padding: 0.4rem 1rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 1.5rem;
}

/* Tarjetas - Fondo BLANCO con texto NEGRO para legibilidad */
.card-net {
    border: none;
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
    height: 100%;
    padding: 1.5rem;
    color: var(--color-text-dark); /* Texto oscuro garantizado sobre fondo blanco */
}

.card-net:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

/* Forzar color oscuro para todos los textos dentro de .card-net */
.card-net h4,
.card-net p,
.card-net .text-secondary {
    color: var(--color-text-dark) !important;
}

/* Iconos Circulares */
.icon-circle {
    background-color: var(--color-icon-bg);
    color: var(--color-icon);
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-default);
}

.card-net:hover .icon-circle {
    background-color: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

/* Placeholder de Hero */
.hero-img-placeholder {
    background: linear-gradient(135deg, var(--color-bg-dark), #1e2a32);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    color: white;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.hero-img-placeholder i {
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.9;
}

/* Secciones */
.section-padding {
    padding: var(--section-padding-y) 0;
}

.bg-soft-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.bg-gradient-light {
    background: linear-gradient(145deg, #ffffff 0%, var(--color-bg-light) 100%);
}

/* Footer */
.footer-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-muted);
}

.footer-dark a {
    color: var(--color-text-muted);
}

.footer-dark a:hover {
    color: var(--color-primary);
}

/* ============================================ */
/* === 4. UTILIDADES === */
/* ============================================ */

.text-primary {
    color: var(--color-primary) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --section-padding-y: 3rem;
        --border-radius-md: 0.75rem;
    }
    .display-4 {
        font-size: 2.5rem;
    }
    .hero-img-placeholder {
        padding: 1.5rem;
    }
}