:root {
    --primary-color: #4a6bdf;
    --primary-hover: #3652b3;
    --text-color: #333;
    --text-light: #718096;
    --background-color: #f5f7fa;
    --background-gradient: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    --border-color: #e2e8f0;
    --white: #fff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background-gradient);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-color);
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    text-align: left;
}

/* Layout */
header {
    margin-bottom: 2rem;
    text-align: center;
}

section {
    margin-bottom: 2rem;
}

/* Form Elements */
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button,
.contact-button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin: 1rem;
}

button:hover,
.contact-button:hover {
    background-color: var(--primary-hover);
}

/* Utility Classes */
.form-container {
    width: 100%;
    max-width: 500px;
    margin: 1rem auto;
}

.form-group {
    margin-bottom: 1rem;
}

.help-text {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 1rem;
}

.description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.notify-form {
    margin-bottom: 3rem;
}

/* FAQ Styles */
.faq-section {
    background: var(--white);
    border-radius: 12px;
    padding: 0 2rem;
    margin-bottom: 2rem;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-question {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.faq-answer {
    color: var(--text-light);
}

/* Contact Info */
.contact-info {
    background-color: #f5f5f5;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.contact-info h3 {
    margin-top: 0;
}

/* Lists */
ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
    text-align: left;
}

li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Footer */
footer {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 2rem;
}

footer .help-text {
    margin-bottom: 1rem;
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Landing Page Sections */
.hero-section {
    text-align: center;
    margin-bottom: 4rem;
}

.features-section {
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.waitlist-section {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 4rem;
}

/* Terms & Conditions Navigation */
.tc-nav {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-tab {
    background: none;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.nav-tab:hover {
    background-color: rgba(74, 107, 223, 0.2);
    color: var(--primary-color);
}

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: rgba(74, 107, 223, 0.1);
}

.tc-section {
    display: none;
}

.tc-section.active {
    display: block;
}

.contact-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .waitlist-section {
        padding: 2rem;
    }
    
    form {
        flex-direction: column;
    }
    
    input[type="email"],
    input[type="tel"],
    textarea {
        border-radius: 6px;
        margin-bottom: 0.8rem;
    }
    
    button,
    .contact-button {
        border-radius: 6px;
        width: 100%;
    }
}