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

:root {
    --primary-color: #6b6b6b;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
}

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

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.app-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
}

.hero .tagline {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.hero .description {
    font-size: 1.125rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.app-store-badge img {
    height: 50px;
}

/* Screenshots Section */
.screenshots {
    padding: 3rem 0;
    background: var(--bg-light);
}

.screenshot-table {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 1.5rem;
}

.screenshot-table td {
    width: 33.33%;
    vertical-align: top;
}

.screenshot-table img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2.5rem;
}

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

.feature {
    padding: 1.5rem;
    border-radius: 8px;
    background: var(--bg-light);
}

.feature h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature p {
    color: var(--text-muted);
}

/* Compatibility Section */
.compatibility {
    padding: 3rem 0;
    background: var(--bg-light);
    text-align: center;
}

.compatibility h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.compatibility ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.compatibility li {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Lock Screen Showcase Section */
.lock-screen-showcase {
    padding: 4rem 0;
    background: var(--bg-light);
}

.lock-screen-showcase h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2.5rem;
}

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

.showcase-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.showcase-item h3 {
    font-size: 1.125rem;
    color: var(--primary-color);
}

.showcase-item p {
    color: var(--text-muted);
    max-width: 320px;
}

.showcase-image {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.showcase-image--wide img {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-image--phone-top {
    max-width: 220px;
}

.showcase-image--phone-top img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    object-position: top center;
    display: block;
}

/* Pricing Section */
.pricing {
    padding: 3rem 0;
    text-align: center;
}

.pricing h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.pricing p {
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
}

footer nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
}

footer a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 640px) {
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        flex-direction: column;
        gap: 0.5rem;
    }

    .app-icon {
        width: 56px;
        height: 56px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

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

    .features,
    .pricing {
        padding: 2.5rem 0;
    }

    .screenshot-table {
        border-spacing: 0.75rem;
    }

    .compatibility ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}