:root {
    --sage-green: #B6C5A1;
    --dark-sage: #9BAF7F;
    --purple: #8B2C91;
    --dark-purple: #6B1F6F;
    --black: #000000;
    --white: #FFFFFF;
    --light-gray: #1A1A1A;
    --border-gray: #333333;
    --text-light: #E5E5E5;
    --card-bg: #111111;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: linear-gradient(135deg, var(--black) 0%, var(--light-gray) 100%);
    min-height: 100vh;
}

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

header {
    text-align: center;
    padding: 40px 0;
}

.logo-container {
    display: inline-block;
    background: var(--black);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(182, 197, 161, 0.3);
    border: 2px solid var(--sage-green);
}

.logo {
    max-width: 300px;
    height: auto;
    display: block;
}

main {
    padding: 20px 0 60px;
}

.hero {
    text-align: center;
    margin-bottom: 80px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--sage-green);
    margin-bottom: 30px;
    text-shadow: 2px 2px 8px rgba(139, 44, 145, 0.3);
}

.description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

.email-signup {
    background: var(--card-bg);
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(182, 197, 161, 0.1);
    border: 2px solid var(--sage-green);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.email-signup h2 {
    font-size: 2.5rem;
    color: var(--sage-green);
    margin-bottom: 15px;
}

.signup-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    opacity: 0.8;
}

.email-form {
    width: 100%;
}

.form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

#email {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-gray);
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--light-gray);
    color: var(--white);
}

#email::placeholder {
    color: #999;
}

#email:focus {
    outline: none;
    border-color: var(--sage-green);
    background: var(--black);
    color: var(--white);
    box-shadow: 0 0 0 3px rgba(182, 197, 161, 0.3);
}

.submit-btn {
    padding: 15px 30px;
    background: linear-gradient(45deg, var(--purple), var(--dark-purple));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 44, 145, 0.3);
}

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

.checkbox-group {
    text-align: left;
    margin-top: 20px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    margin-right: 12px;
    margin-top: 2px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: var(--light-gray);
}

.checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid var(--black);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--sage-green);
    border-color: var(--sage-green);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    opacity: 1;
}

.privacy-text {
    color: var(--text-light);
    opacity: 0.8;
}

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    font-weight: 600;
    display: none;
}

.message.success {
    background-color: rgba(182, 197, 161, 0.2);
    border: 1px solid var(--sage-green);
    color: var(--sage-green);
    display: block;
}

.message.error {
    background-color: rgba(139, 44, 145, 0.2);
    border: 1px solid var(--purple);
    color: var(--purple);
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .description {
        font-size: 1rem;
    }

    .logo {
        max-width: 250px;
    }

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

    .submit-btn {
        width: 100%;
        padding: 18px;
    }

    .email-signup {
        padding: 40px 20px;
    }

    .email-signup h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .logo {
        max-width: 200px;
    }

    .email-signup {
        padding: 30px 15px;
    }
}