/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #34d399;
    --secondary-color: #10b981;
    --accent-color: #fbbf24;
    --text-dark: #111827;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --green: #34d399;
    --yellow: #fbbf24;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background-color: #000000;
    border-bottom: 2px solid var(--green);
    padding: 2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image {
    height: 120px;
    width: auto;
    max-width: 90%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--green) 0%, var(--yellow) 100%);
    color: var(--text-dark);
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-dark);
}

/* Problem Section */
.problem {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.problem h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.problem-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.problem-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Promise Section */
.promise {
    padding: 5rem 0;
    text-align: center;
    background-color: var(--bg-white);
}

.promise h3 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.promise-text {
    font-size: 1.75rem;
    font-style: italic;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 500;
}

.promise-subtext {
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 900px;
    margin: 1.5rem auto;
    line-height: 1.8;
}

/* Approach Section */
.approach {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.approach h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.approach-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--green);
}

.approach-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.approach-item p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Audience Section */
.audience {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.audience h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.audience-intro {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-medium);
}

.audience-list {
    max-width: 650px;
    margin: 0 auto;
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.audience-list li {
    font-size: 1.125rem;
    padding: 1rem 1.5rem;
    margin-bottom: 0.75rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    color: var(--text-dark);
    width: 425px;
    max-width: 90%;
    text-align: left;
}

/* CTA Section - Top */
.cta-top {
    padding: 4rem 0;
    background: var(--bg-white);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.cta-top h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cta-top .cta-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--text-medium);
    line-height: 1.6;
}

/* CTA Section - Bottom */
.cta {
    padding: 5rem 0;
    background: var(--bg-dark);
    color: white;
    text-align: center;
}

.cta h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

.email-form {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.email-form input[type="text"],
.email-form input[type="email"] {
    flex: 1;
    min-width: 200px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    background-color: var(--bg-white);
}

.email-form input[type="text"].first-name-input {
    flex: 0 1 160px;
    min-width: 160px;
}

.email-form button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--green) 0%, var(--yellow) 100%);
    color: var(--text-dark);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.email-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 211, 153, 0.4);
}

.email-form button:disabled {
    background: #6b7280;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    font-size: 1rem;
    margin-top: 1rem;
    font-weight: 600;
}

/* Top form - use same color as subtitle text */
.cta-top .form-message.success {
    color: var(--text-medium);
}

.cta-top .form-message.error {
    color: var(--error-color);
}

/* Bottom form - light text on dark background */
.cta .form-message.success {
    color: #d1fae5;
}

.cta .form-message.error {
    color: #fecaca;
}

.privacy-note {
    font-size: 0.875rem;
    margin-top: 1rem;
    color: var(--text-medium);
}

/* Privacy note on dark background (bottom CTA) */
.cta .privacy-note {
    color: white;
    opacity: 0.8;
}

/* Build in Public Section */
.build-public {
    padding: 4rem 0;
    background-color: var(--bg-light);
    text-align: center;
}

.build-public h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.build-public p {
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 1rem auto;
    line-height: 1.8;
}

.coming-soon {
    font-size: 1.125rem;
    margin-top: 1.5rem;
}

.coming-soon a {
    color: var(--green);
    text-decoration: none;
    transition: color 0.2s;
}

.coming-soon a:hover {
    color: var(--yellow);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: #000000;
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(52, 211, 153, 0.2);
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    color: var(--green);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.875rem;
    color: #9ca3af;
    max-width: 300px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--green);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.875rem;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-image {
        height: 80px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .problem h3,
    .promise h3,
    .approach h3,
    .audience h3,
    .cta h3,
    .cta-top h3 {
        font-size: 1.875rem;
    }

    .email-form {
        flex-direction: column;
        max-width: 100%;
    }

    .email-form input[type="text"],
    .email-form input[type="email"] {
        width: 100%;
        min-width: 100%;
    }

    .email-form input[type="text"].first-name-input {
        flex: 1;
    }

    .email-form button {
        width: 100%;
    }

    .problem-grid,
    .approach-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-section {
        width: 100%;
    }
}