:root {
    --color-lima: #c8f500;
    --color-negro: #111111;
    --color-blanco: #FFFFFF;
    --color-gris: #AAAAAA;
    --font-principal: 'Poppins', sans-serif;
}

/* --- Reset Básico y Estilos Globales --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-principal);
    background-color: var(--color-negro);
    color: var(--color-blanco);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 20px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; text-align: center; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; color: var(--color-lima); }

section {
    padding: 80px 0;
}

/* --- Header y Navegación --- */
.main-header {
    background-color: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--color-lima);
}

.main-header nav a {
    color: var(--color-blanco);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.main-header nav a:hover {
    color: var(--color-lima);
}

.cta-button {
    background-color: var(--color-lima);
    color: var(--color-negro);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: scale(1.05);
}

/* --- Sección Hero --- */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px; /* Offset por el header fijo */
    background: radial-gradient(circle at 20% 80%, rgba(200, 245, 0, 0.1), transparent 30%), var(--color-negro);
}

#hero .subtitle {
    font-size: 1.2rem;
    color: var(--color-gris);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.cta-button-main {
    background-color: var(--color-lima);
    color: var(--color-negro);
    padding: 15px 35px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button-main:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(200, 245, 0, 0.2);
}


/* --- Sección Proceso --- */
#proceso { background-color: #1a1a1a; }

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
}

.step {
    background-color: var(--color-negro);
    padding: 30px;
    border: 1px solid #333;
    border-radius: 10px;
    flex-basis: 23%;
    text-align: center;
}

.step-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-lima);
    border: 2px solid var(--color-lima);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

/* --- Sección Aplicaciones --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.grid-item {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    border-left: 3px solid var(--color-lima);
}

.grid-item p {
    color: var(--color-gris);
}

/* --- Sección Contacto y Footer --- */
#contacto {
    background-color: var(--color-lima);
    color: var(--color-negro);
    text-align: center;
}

#contacto h2 {
    color: var(--color-negro);
}

#contacto .cta-button-main {
    background-color: var(--color-negro);
    color: var(--color-blanco);
}
#contacto .cta-button-main:hover {
     box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.main-footer {
    text-align: center;
    padding: 40px 0;
    color: var(--color-gris);
    background-color: #1a1a1a;
}

.logo-img {
    height: 40px;
    vertical-align: middle;
    margin-right: 10px;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.2rem;
    vertical-align: middle;
}


/* --- Responsive Design --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .main-header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .steps-container, .grid-container {
        flex-direction: column;
        grid-template-columns: 1fr;
    }
}