:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #6366f1;
    --secondary-color: #a855f7;
    --accent-color: #ec4899;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Background Shapes Animation */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite ease-in-out alternate;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -50px;
    left: -50px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: -50px;
    right: -50px;
    animation-delay: -2s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    top: 40%;
    left: 40%;
    animation-delay: -4s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 50px); }
}

/* Glassmorphism Container */
.container {
    width: 90%;
    max-width: 800px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    margin: 2rem 0;
}

/* Header */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

/* Main Content */
.badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.description {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Matrix Container */
.matrix-wrapper {
    margin-bottom: 3rem;
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

canvas#matrixCanvas {
    background-color: transparent;
    display: block;
    width: 100%;
    /* Altura controlada por JS o CSS si es fijo */
}

/* Newsletter */
.newsletter {
    margin-bottom: 3rem;
}

.newsletter p {
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.input-group {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

input[type="email"] {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

input[type="email"]:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

button {
    padding: 1rem 2rem;
    border-radius: 50px;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary-color);
}

/* Hidden Class */
.hidden {
    display: none;
}
#success-message {
    margin-top: 1rem;
    color: #4ade80;
    font-weight: 600;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: #cbd5e1;
    font-size: 1.25rem;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: white;
}

.copyright {
    font-size: 0.875rem;
    color: #64748b;
}

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

    .container {
        padding: 2rem 1.5rem;
        width: 95%;
    }

    .input-group {
        flex-direction: column;
    }

    button {
        justify-content: center;
        width: 100%;
    }
}