:root {
    --bg-color: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --accent-color: #ffffff;
    --accent-hover: #d4d4d4;
    --input-bg: #171717;
    --border-color: #333333;
    --font-main: 'Inter', sans-serif;
}

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

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

.container {
    text-align: center;
    padding: 2rem;
    max-width: 600px;
    width: 100%;
}

/* Typography */
.brand-tag {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.75rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
}

h1 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 3rem;
}

.cta-text {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Form Styling */
.input-group {
    display: flex;
    gap: 10px;
    background: var(--input-bg);
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--accent-color);
}

input[type="email"] {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 12px 16px;
    flex-grow: 1;
    font-size: 1rem;
    outline: none;
}

button {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    position: relative;
    min-width: 120px;
}

button:hover {
    background-color: var(--accent-hover);
}

/* Status Messages */
.status-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    height: 20px;
    /* Prevent layout shift */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.status-message.success {
    color: var(--text-primary);
    opacity: 1;
}

.status-message.error {
    color: var(--text-secondary);
    opacity: 1;
}

/* Footer */
footer {
    margin-top: 4rem;
    font-size: 0.75rem;
    color: #444;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }

    .input-group {
        flex-direction: column;
        background: transparent;
        border: none;
    }

    input[type="email"] {
        background: var(--input-bg);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        width: 100%;
    }

    button {
        width: 100%;
    }
}