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

:root {
    --primary-bg: #000000;
    --secondary-bg: #0a0a0a;
    --accent-color: #00ff88;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --border-color: #333333;
    --hover-bg: #111111;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    font-family: var(--font-mono);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--secondary-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 2px;
}

.logo-accent {
    font-weight: 300;
    font-size: 18px;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.login-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    background-color: var(--hover-bg);
    border-color: var(--accent-color);
}

.login-text {
    display: block;
}

.coming-soon {
    display: block;
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 300;
    margin-top: 2px;
}

/* Main content */
.main {
    padding: 80px 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-accent {
    color: var(--accent-color);
    display: block;
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 60px;
    letter-spacing: 0.5px;
}

/* Email section */
.email-section {
    max-width: 500px;
    margin: 0 auto;
}

.interest-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.email-form {
    width: 100%;
}

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.email-input {
    flex: 1;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.email-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--hover-bg);
}

.email-input::placeholder {
    color: var(--text-secondary);
    font-weight: 300;
}

.submit-btn {
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    padding: 16px 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    justify-content: center;
}

.submit-btn:hover {
    background: #00cc6a;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-arrow {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.submit-btn:hover .submit-arrow {
    transform: translateX(2px);
}

.form-message {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.5px;
    min-height: 20px;
    transition: all 0.3s ease;
}

.form-message.success {
    color: var(--accent-color);
}

.form-message.error {
    color: #ff4444;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav {
        padding: 16px 0;
    }
    
    .logo-text,
    .logo-accent {
        font-size: 16px;
    }
    
    .login-btn {
        padding: 10px 16px;
        font-size: 11px;
    }
    
    .main {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: clamp(24px, 8vw, 48px);
    }
    
    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .input-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .submit-btn {
        width: 100%;
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(20px, 10vw, 36px);
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .interest-text {
        font-size: 14px;
    }
    
    .email-input {
        padding: 14px 16px;
        font-size: 13px;
    }
    
    .submit-btn {
        padding: 14px;
        font-size: 11px;
    }
}

/* Animation for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title,
.hero-subtitle,
.email-section {
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    animation-delay: 0.2s;
}

.email-section {
    animation-delay: 0.4s;
}