:root {
    --primary-dark: #481A72;
    --primary: #532A8C;
    --primary-light: #7E4EB5;
    --accent: #4FABF6;
    --accent-light: #69BDF8;
    --background: #f5f5f7;
    --text: #1d1d1f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.6;
}

header {
    background: linear-gradient(to right, var(--primary-dark), var(--primary));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

nav a:hover {
    opacity: 0.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.hero {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 6rem 0;
    text-align: center;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.5rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.hero-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.hero-icons .app-icon {
    width: 140px;
    height: 140px;
    margin: 0;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.screenshots {
    margin: 6rem 0;
    overflow: hidden;
}

.screenshot-grid {
    display: flex;
    gap: 2rem;
    margin: 3rem -1rem;
    padding: 0 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.screenshot-grid::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.screenshot {
    flex: 0 0 300px;
    scroll-snap-align: start;
    background: white;
    border-radius: 2rem;
    padding: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.screenshot img {
    width: auto;
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    display: block;
}

.app-store-button {
    display: inline-block;
    margin-top: 2rem;
    transition: transform 0.2s ease;
}

.app-store-button:hover {
    transform: scale(1.02);
}

.app-store-button img {
    height: 48px;
    width: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

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

.key-features {
    margin: 4rem 0;
}

.key-features ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.key-features li {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.key-features li::before {
    content: "✓";
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2em;
}

.cta {
    background: var(--accent);
    color: white;
    padding: 1rem 2rem;
    border-radius: 2rem;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.2s;
}

.cta:hover {
    background: var(--accent-light);
}

footer {
    background: var(--primary-dark);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-section a:hover {
    opacity: 1;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 25%;
    margin: 2rem auto;
    display: block;
}

.featured-app {
    background: white;
    border-radius: 2rem;
    padding: 3rem;
    text-align: center;
    margin: 4rem 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.featured-app h2 {
    font-size: 2.5rem;
    margin: 1.5rem 0;
    color: var(--primary);
}

.featured-app p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: var(--text);
    opacity: 0.9;
}

.app-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.app-actions .cta {
    margin: 0;
    padding: 0.85rem 2rem;
    min-height: 48px;
    display: flex;
    align-items: center;
}

.app-actions .app-store-button {
    margin: 0;
}

.coming-soon {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: 2rem;
    color: white;
    margin: 4rem 0;
}

.coming-soon h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.coming-soon p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.privacy-content h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.privacy-content h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin: 2.5rem 0 1rem;
}

.privacy-content h4 {
    font-size: 1.4rem;
    color: var(--text);
    margin: 2rem 0 1rem;
}

.privacy-content p {
    margin-bottom: 1.2rem;
    color: var(--text);
    font-size: 1.1rem;
}

.privacy-content ul {
    list-style: none;
    padding-left: 1.5rem;
    margin: 1.2rem 0 2rem;
}

.privacy-content ul li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    color: var(--text);
}

.privacy-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.4em;
    line-height: 1;
}

.privacy-content a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

.privacy-content a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .app-actions {
        flex-direction: row;
        gap: 1rem;
        justify-content: center;
    }

    .screenshot {
        flex: 0 0 260px;
    }

    .featured-app {
        padding: 2rem;
        margin: 2rem 0;
    }

    .featured-app h2 {
        font-size: 2rem;
    }

    .coming-soon {
        padding: 3rem 1.5rem;
        margin: 2rem 0;
    }

    .coming-soon h2 {
        font-size: 2rem;
    }

    .privacy-content {
        padding: 1rem;
    }

    .privacy-content h2 {
        font-size: 2rem;
    }

    .privacy-content h3 {
        font-size: 1.5rem;
    }

    .privacy-content h4 {
        font-size: 1.2rem;
    }

    .privacy-content p,
    .privacy-content ul li {
        font-size: 1rem;
    }
}