/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: #00ffff;
    text-decoration: none;
}

a:hover {
    color: #ff00ff;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.8);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.logo img {
    height: 40px;
}

nav a {
    margin-left: 2rem;
    font-weight: bold;
}

/* Hero */
#hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(45deg, #ff00ff, #00ffff, #ffff00);
    background-size: 400% 400%;
    animation: gradientShift 5s ease infinite;
    color: #000;
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta {
    background: #000;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
}

.cta:hover {
    background: #333;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Signup Section */
#signup {
    padding: 4rem 2rem;
    margin-top: 4rem;
    background: rgba(20, 20, 40, 0.9);
    border-top: 3px solid #00ffff;
    border-bottom: 3px solid #ff00ff;
}

.signup-container {
    max-width: 600px;
    margin: 0 auto;
}

#signup h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.signup-subtitle {
    text-align: center;
    color: #ff6b6b;
    font-size: 1rem;
    margin-bottom: 2rem;
    font-weight: bold;
}

#signup-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #00ffff;
}

.form-group input[type="text"],
.form-group input[type="email"] {
    padding: 0.75rem;
    border: 2px solid #00ffff;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus {
    outline: none;
    border-color: #ff00ff;
    background: rgba(255, 255, 255, 0.15);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #00ffff;
}

#signup-form button {
    padding: 1rem;
    margin-top: 1rem;
    font-size: 1rem;
}

/* Sections */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #00ffff;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s;
}

.product:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    background: #333;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 1rem;
}

.product h3 {
    margin-bottom: 0.5rem;
}

.product button {
    background: #ff00ff;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.product button:hover {
    background: #cc00cc;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.8);
}

/* Responsive */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 2rem;
    }
    nav a {
        margin-left: 1rem;
    }
}