/* --- Variables de Color (Tech/Dark Mode) --- */
:root {
    --bg-color: #0a0b10;      /* Casi negro */
    --bg-accent: #14161f;     /* Gris muy oscuro para el input */
    --text-main: #e4e6eb;     /* Blanco grisáceo */
    --text-muted: #969faf;    /* Gris para párrafos */
    --accent-color: #00f2fe; /* Cian Neón Tech */
    --accent-hover: #4facfe;  /* Azul para hover */
    --font-main: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

/* --- Reset y General --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    font-family: var(--font-main);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-align: center;
    padding: 20px;
    overflow: hidden; /* Evita scrolls raros con el patrón */
    position: relative;
}

/* --- Patrón de Fondo Tech (Cuadrícula sutil) --- */
.bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    /* Crea un efecto de puntos/cuadrícula muy fino */
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -1; /* Va detrás de todo */
}

.container {
    max-width: 650px;
    z-index: 1; /* Asegura que el contenido esté arriba */
}

/* --- Header & Logo --- */
header {
    margin-bottom: 40px;
}

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-color);
    letter-spacing: -1px;
}

.logo .dot {
    animation: blink 1s infinite; /* Efecto cursor parpadeante */
}

@keyframes blink { 50% { opacity: 0; } }

/* --- Main Content --- */
.badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-color);
    background-color: rgba(0, 242, 254, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 242, 254, 0.2);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
    /* Degradado sutil en el texto para toque premium */
    background: linear-gradient(180deg, #fff 0%, #aab 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.7;
    font-weight: 400;
}

/* --- Formulario Tech --- */
.subscribe-form {
    display: flex;
    background-color: var(--bg-accent);
    padding: 8px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: border-color 0.3s;
}

.subscribe-form:focus-within {
    border-color: rgba(0, 242, 254, 0.5); /* Brillo al seleccionar */
}

input[type="email"] {
    flex-grow: 1;
    background: transparent;
    border: none;
    padding: 0 20px;
    color: white;
    font-size: 1rem;
    outline: none;
}

input[type="email"]::placeholder {
    color: #565f6e;
    font-family: var(--font-mono); /* Placeholder tipo código */
}

button {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-color) 100%);
    color: #000; /* Texto oscuro en botón brillante para contraste */
    border: none;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 242, 254, 0.3);
}

/* --- Footer & Iconos Sociales --- */
footer {
    margin-top: 60px;
}

.follow-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #565f6e;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem; /* Tamaño del icono */
    text-decoration: none;
    transition: color 0.3s, transform 0.2s;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* --- Responsive --- */
@media (max-width: 600px) {
    h1 { font-size: 2.2rem; letter-spacing: -1px; }
    .subscribe-form {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
        gap: 10px;
    }
    input[type="email"] {
        background-color: var(--bg-accent);
        padding: 15px;
        border-radius: 30px;
        border: 1px solid rgba(255,255,255,0.05);
    }
    button {
        width: 100%;
        justify-content: center;
        padding: 15px;
    }
}