:root {
    --bg-gradient: radial-gradient(circle at 80% 20%, #0c3a4d 0%, #0c1117 50%, #050608 100%);
    --color-text-white: #ffffff;
    --color-text-light: #f0f6f8;
    --color-text-secondary: #7fa1b5;
    --color-text-accent: #1cbcd4;
    --color-text-muted: rgba(255, 255, 255, 0.4);
    --color-divider: rgba(28, 188, 212, 0.25);
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --padding-body: 40px 20px;
    --max-width-header: 1200px;
    --max-width-content: 600px;
    --transition-fade: fadeIn 1.5s ease-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-body);
    background: var(--bg-gradient);
    overflow-x: hidden;
}


/* Encabezado / Navegación */

.header {
    width: 100%;
    max-width: var(--max-width-header);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    width: 65px;
    height: 65px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-text-accent);
}


/* Contenido Central */

.main-content {
    text-align: center;
    max-width: var(--max-width-content);
    animation: var(--transition-fade);
    margin: auto 0;
}

.tagline {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-text-accent);
    margin-bottom: 20px;
    font-weight: 600;
}

.title {
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 25px;
    color: var(--color-text-light);
}

.divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-divider), transparent);
    margin: 0 auto 25px auto;
}

.description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-weight: 300;
}


/* Pie de página */

.footer {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    margin-top: 40px;
    text-align: center;
    width: 100%;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    .title {
        font-size: 1.8rem;
    }
    .description {
        font-size: 0.9rem;
    }
}