:root {
    --primary: #0F172A;
    --secondary: #334155;
    --accent: #10B981;
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --text: #1E293B;
    --muted: #64748B;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
}

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

.navbar {
    background-color: var(--surface);
    border-bottom: 1px solid #E2E8F0;
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--surface);
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
    line-height: 1.5;
}

.intro {
    padding: 5rem 0;
    background-color: var(--surface);
}

.intro-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--secondary);
    max-width: 900px;
    margin: 0 auto 1.5rem;
}

.intro-text:last-child {
    margin-bottom: 0;
}

.features {
    padding: 5rem 0;
    background-color: var(--background);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    text-align: center;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.25rem;
    color: var(--muted);
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background-color: var(--surface);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #E2E8F0;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--muted);
    line-height: 1.6;
}

.audience-text {
    font-size: 1.25rem;
    color: var(--secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--surface);
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}

.mission {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--surface);
    text-align: center;
}

.mission .section-title {
    color: var(--surface);
    margin-bottom: 2rem;
}

.mission-statement {
    font-size: 1.75rem;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.95;
}

.coming-soon {
    padding: 5rem 0;
    background-color: var(--background);
}

.coming-soon-card {
    background-color: var(--surface);
    padding: 4rem 3rem;
    border-radius: 16px;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 2px solid var(--accent);
}

.coming-soon-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.coming-soon-text {
    font-size: 1.125rem;
    color: var(--secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.coming-soon-text:last-child {
    margin-bottom: 0;
}

.footer {
    background-color: var(--primary);
    color: var(--surface);
    padding: 2rem 0;
    text-align: center;
}

.footer-text {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .intro-text,
    .section-description,
    .audience-text {
        font-size: 1.125rem;
    }

    .mission-statement {
        font-size: 1.375rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .coming-soon-card {
        padding: 3rem 2rem;
    }

    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

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

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

    .intro,
    .features,
    .mission,
    .coming-soon {
        padding: 3rem 0;
    }
}