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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
}

.container {
    text-align: center;
    max-width: 600px;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #5a6c7d;
    font-weight: 500;
}

p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: #6c7b7f;
    line-height: 1.6;
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
}

form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

input {
    flex: 1;
    padding: 1.2rem;
    border: 2px solid #e8ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafbfc;
}

input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

button {
    padding: 1.2rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.sub {
    font-size: 0.9rem;
    color: #95a3af;
    margin-top: 1rem;
}

@media (max-width: 600px) {
    .container {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }

    form {
        flex-direction: column;
        gap: 1rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    input, button {
        padding: 1rem;
    }
}