/* =======================================================
   TEMA VISUAL: TECH / CYBERPUNK (MORADO Y NEGRO)
   ======================================================= */

/* Importamos fuente monoespaciada para estilo de programación */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

:root {
    --bg-color: #050308; /* Fondo negro profundo */
    --text-color: #d1c4e9; /* Texto grisáceo/morado claro */
    --primary-color: #b026ff; /* Morado Neón / Cyberpunk */
    --highlight-color: #b026ff; /* Mantenemos la variable de tus HTML */
    --card-bg: #0a0710; /* Fondo ligeramente más claro para tarjetas */
    --border-color: #3b1a5e; /* Borde morado oscuro */
    --glow-shadow: 0 0 12px rgba(176, 38, 255, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Tipografía principal altamente legible para la web */
    font-family: 'Inter', system-ui, sans-serif; 
}

/* Tipografía técnica para encabezados y elementos clave */
h1, h2, h3, h4, h5, h6, .logo, .card::before, .btn, input, textarea {
    font-family: 'Fira Code', 'Courier New', Courier, monospace;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    /* Un sutil resplandor morado en la parte superior del fondo */
    background-image: radial-gradient(circle at 50% 0%, #170d21 0%, transparent 50%);
}

/* Accesibilidad: Delineado claro para navegación por teclado */
*:focus-visible {
    outline: 2px dashed var(--primary-color);
    outline-offset: 4px;
}

/* ================= NAVEGACIÓN ================= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: rgba(5, 3, 8, 0.95);
    border-bottom: 1px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(176, 38, 255, 0.15);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
}

.logo::before {
    content: "< ";
    color: var(--primary-color);
}

.logo::after {
    content: " />";
    color: var(--primary-color);
}

.logo span {
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s;
}

nav ul li a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 8px var(--primary-color);
}

.menu-toggle {
    display: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1.5rem;
    background: none;
    border: none;
}

/* ================= HERO SECTION ================= */
.hero {
    text-align: center;
    padding: 7rem 5%;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.hero h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(176, 38, 255, 0.3);
}

/* Efecto de cursor titilante simulando consola */
.hero h1::after {
    content: '_';
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero h2 {
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto 2.5rem;
}

/* ================= BOTONES ================= */
.btn {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-color);
    padding: 0.8rem 2rem;
    border-radius: 2px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 0 15px var(--primary-color);
}

/* ================= SERVICIOS Y TARJETAS ================= */
#servicios, section {
    padding: 5rem 5%;
}

/* Reemplazo del hack de estilos en línea */
.bg-light {
    background-color: var(--card-bg) !important;
    border-top: 1px dashed var(--border-color);
    border-bottom: 1px dashed var(--border-color);
    padding: 5rem 5%;
    color: var(--text-color);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 3rem;
}

.section-title::before {
    content: "/* ";
    color: var(--border-color);
}
.section-title::after {
    content: " */";
    color: var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

/* Barra superior de la tarjeta simulando ventana de código */
.card::before {
    content: "● ● ●";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #0b0514;
    color: #4a2c75;
    text-align: left;
    padding: 2px 10px;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-shadow);
}

.card h3 {
    color: #ffffff;
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.card p {
    font-size: 0.9rem;
}

.card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.card a:hover {
    text-decoration: underline;
    text-shadow: 0 0 5px var(--primary-color);
}

/* ================= FORMULARIO Y CONTACTO ================= */
input, textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #000;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    border-radius: 2px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(176, 38, 255, 0.2);
}

input::placeholder, textarea::placeholder {
    color: #5a3c75;
}

/* ================= OTROS ELEMENTOS ================= */
.text-highlight {
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    color: #7a5599;
    font-size: 0.8rem;
}

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366; /* Mantenemos WhatsApp verde por UX/Reconocimiento */
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    z-index: 100;
    transition: transform 0.3s;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px #25d366;
}

/* ================= CLASES DE UTILIDAD (Refactorización) ================= */
.service-icon {
    color: var(--highlight-color);
    margin-bottom: 1rem;
}

.sectors-container {
    text-align: center;
    max-width: 800px;
    margin: auto;
}

.sectors-list {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.hero-small { padding: 4rem 5%; }
.hero-contact { padding: 3rem 5%; }

.about-grid { max-width: 900px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 3rem; align-items: center; }
.about-col { flex: 1; min-width: 300px; }
.about-col-2 { flex: 2; min-width: 300px; }
.about-img { width: 100%; border-radius: 10px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.mb-1 { margin-bottom: 1rem; }
.text-primary { color: var(--primary-color); }
.about-subtitle { color: var(--highlight-color); margin: 1.5rem 0 0.5rem; }
.about-list { list-style: none; padding-left: 0; }
.about-list li { margin-bottom: 0.5rem; }

.contact-grid { display: flex; flex-wrap: wrap; gap: 2rem; max-width: 1000px; margin: auto; }
.contact-info {
    flex: 1;
    min-width: 300px;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.contact-form-container { flex: 2; min-width: 300px; }
.btn-whatsapp { background-color: #25d366; width: 100%; text-align: center; margin-top: 1rem; border-color: #25d366; color: white; }
.btn-whatsapp:hover { background-color: #128c7e; box-shadow: 0 0 15px #25d366; border-color: #128c7e; }

/* ================= MEDIA QUERIES (MOBILE) ================= */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(5, 3, 8, 0.98);
        border-bottom: 1px solid var(--primary-color);
        padding: 1rem 0;
        text-align: center;
        box-shadow: 0 10px 15px rgba(0,0,0,0.5);
    }

    /* Clase que JS activará */
    nav ul.active {
        display: flex;
    }
}