:root {
    --primary: 240 5.9% 10%;
    --primary-foreground: 0 0% 98%;
    --background: 0 0% 100%;
    --foreground: 240 10% 3.9%;
    --secondary: 240 4.8% 95.9%;
    --secondary-foreground: 240 5.9% 10%;
    --blue-600: 221.2 83.2% 53.3%;
    --blue-700: 224.3 76.3% 48%;
    --gray-50: 0 0% 98%;
    --gray-100: 240 4.8% 95.9%;
    --gray-500: 240 3.8% 46.1%;
    --gray-700: 240 5.2% 33.9%;
    --gray-900: 240 5.9% 10%;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
}

.header {
    background-color: white;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(221.2 83.2% 53.3%);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: hsl(var(--gray-500));
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.875rem;
}

.nav-links a:hover {
    color: hsl(var(--gray-900));
}

.cta-button {
    background-color: hsl(221.2 83.2% 53.3%);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s;
    font-size: 0.875rem;
}

.cta-button:hover {
    background-color: hsl(224.3 76.3% 48%);
}

main {
    margin-top: 4rem;
}

.hero {
    background-color: hsl(var(--gray-50));
    padding: 6rem 1rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: hsl(var(--gray-900));
}

.hero p {
    font-size: 1.25rem;
    color: hsl(var(--gray-700));
    margin-bottom: 2rem;
}

.features {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: hsl(var(--gray-900));
}

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

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: hsl(var(--gray-900));
}

.feature-card p {
    color: hsl(var(--gray-700));
}

.about {
    background-color: hsl(var(--gray-50));
    padding: 4rem 1rem;
}

.about h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: hsl(var(--gray-900));
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    color: hsl(var(--gray-700));
}

.disclaimer {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.disclaimer h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: hsl(var(--gray-900));
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: hsl(var(--gray-50));
    border-radius: 0.5rem;
}

.disclaimer-content p {
    margin-bottom: 1rem;
    color: hsl(var(--gray-700));
}

.disclaimer-content p:last-child {
    margin-bottom: 0;
}

.footer {
    background-color: hsl(var(--gray-900));
    color: white;
    padding: 4rem 1rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: hsl(var(--gray-100));
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid hsl(var(--gray-700));
}

.mobile-menu-button {
    display: none;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0.5rem 1rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 4rem;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
        border-top: 1px solid hsl(var(--gray-100));
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-button {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 2.5rem;
        height: 2.5rem;
        background: none;
        border: none;
        padding: 0.5rem;
        cursor: pointer;
        color: hsl(var(--gray-500));
        border-radius: 0.375rem;
    }

    .mobile-menu-button:hover {
        color: hsl(var(--gray-900));
        background-color: hsl(var(--gray-100));
    }

    .mobile-menu-icon {
        display: block;
        width: 1.25rem;
        height: 2px;
        background-color: currentColor;
        position: relative;
        transition: background-color 0.3s;
    }

    .mobile-menu-icon::before,
    .mobile-menu-icon::after {
        content: '';
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: currentColor;
        transition: transform 0.3s;
    }

    .mobile-menu-icon::before {
        top: -6px;
    }

    .mobile-menu-icon::after {
        bottom: -6px;
    }

    .mobile-menu-button.active .mobile-menu-icon {
        background-color: transparent;
    }

    .mobile-menu-button.active .mobile-menu-icon::before {
        transform: rotate(45deg) translate(4px, 4px);
    }

    .mobile-menu-button.active .mobile-menu-icon::after {
        transform: rotate(-45deg) translate(4px, -4px);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }
}