:root {
    --primary: #6B46C1;
    --primary-dark: #553C9A;
    --secondary: #3182CE;
    --text: #2D3748;
    --bg-light: #F7FAFC;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

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

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

.hero {
    background: var(--gradient);
    color: white;
    padding: 2rem 1rem 4rem;
    position: relative;
    overflow: hidden;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--gradient);
    width: 100%;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    padding: 0.8rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    white-space: nowrap;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

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

section {
    margin-bottom: 4rem;
}

h2 {
    font-size: 2.25rem;
    color: var(--primary);
    text-align: center;
    margin-bottom: 2rem;
}

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

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

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

.benefits {
    background: white;
    padding: 4rem 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.benefits-list {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.benefits-list li {
    padding: 1rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.video-section {
    padding: 4rem 1rem;
    background: white;
    border-radius: 20px;
    margin: -2rem auto 4rem;
    max-width: 1000px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.video-container video {
    width: 100%;
    display: block;
    border-radius: 10px;
}

.cta {
    text-align: center;
    padding: 4rem 1rem;
    background: var(--gradient);
    margin: 4rem -1rem -4rem;
    color: white;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    color: white;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    margin-top: 2rem;
    transition: transform 0.2s;
}

.cta-button:hover {
    transform: scale(1.05);
}

.highlight-primary {
    color: #9bcdcf;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(107, 70, 193, 0.15);
    box-shadow: inset 0 0 0 2px var(--primary);
    display: inline-block;
    font-size: 1.0em;
}

.highlight-secondary {
    color: #9bcdcf;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(49, 130, 206, 0.15);
    box-shadow: inset 0 0 0 2px var(--secondary);
    display: inline-block;
    font-size: 1.0em;
}

footer {
    background: var(--primary-dark);
    color: white;
    text-align: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-image {
        order: -1;
    }

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

    .video-section {
        margin: -1rem 1rem 2rem;
        padding: 2rem 1rem;
    }

    .nav-links {
        padding: 1rem;
        flex-wrap: wrap;
        gap: 0.8rem;
        justify-content: center;
    }

    .nav-links a {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
        flex: 1;
        text-align: center;
        min-width: 120px;
        max-width: 160px;
    }
}