:root {
    --bg-color: #111827;
    --text-color: #E5E7EB;
    --primary-color: #3B82F6;
    --secondary-color: #1F2937;
    --border-color: #374151;
    --success-color: #10B981;
    --error-color: #EF4444;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
section {
    margin-bottom: 6rem;
}
h1, h2 {
    text-align: center;
    font-weight: 700;
}
h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}
h2 {
    font-size: 2.25rem;
    margin-bottom: 3rem;
}
.hero p {
    font-size: 1.25rem;
    text-align: center;
    color: #9CA3AF;
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}
.waitlist-form {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.waitlist-form input[type="email"] {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    width: 300px;
}
.waitlist-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}
.waitlist-form button:hover {
    background-color: #2563EB;
}
.form-message {
    text-align: center;
    height: 20px;
}
.pain-gain {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.pain-gain .panel {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
}
.pain-gain h3 {
    margin-top: 0;
    text-align: center;
}
.terminal-placeholder {
    background-color: #000;
    padding: 1rem;
    border-radius: 0.25rem;
    font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
    font-size: 0.875rem;
    white-space: pre-wrap;
}
.terminal-placeholder.before { color: var(--error-color); }
.terminal-placeholder.after { color: var(--success-color); }
.workflow-diagram, .philosophy-metrics {
    text-align: center;
}
.workflow-diagram img {
    max-width: 100%;
    border-radius: 0.5rem;
    background-color: #fff;
}
.metrics {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    text-align: center;
}
.metric {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    flex: 1;
}
.metric h4 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem 0;
}
.metric p {
    color: #9CA3AF;
    margin: 0;
}
.faq details {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    padding: 1rem 1.5rem;
}
.faq summary {
    font-weight: 600;
    cursor: pointer;
}
.faq p {
    margin-top: 1rem;
    color: #9CA3AF;
}
footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    color: #9CA3AF;
}
footer a {
    color: var(--primary-color);
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}

/* Styles for thank-you.html */
body.thank-you-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.thank-you-page .container {
    max-width: 800px;
    text-align: center;
}
.thank-you-page #surveyForm {
    text-align: left;
}
.feature-category {
    margin-bottom: 2rem;
}
.feature-category h3 {
    font-size: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    text-align: left;
}
.feature-item {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 1rem;
    user-select: none;
    text-align: left;
}
.feature-item input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}
.feature-item:hover input ~ .checkmark {
    background-color: #374151;
}
.feature-item input:checked ~ .checkmark {
    background-color: var(--primary-color);
}
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}
.feature-item input:checked ~ .checkmark:after {
    display: block;
}
.feature-item .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}
#submitSurvey {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.375rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 2rem;
}
#submitSurvey:hover {
    background-color: #2563EB;
}
#submitSurvey:disabled {
    background-color: #374151;
    cursor: not-allowed;
}
