*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background-color: #1f3a5f;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    text-align: center;
}

.container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 24px;
}

.app-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    border-radius: 22.5%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.app-name {
    color: #6fb7e9;
    font-size: 36px;
    margin: 0;
    letter-spacing: -0.5px;
}

.app-description {
    font-size: 18px;
    margin: 10px 0 32px;
    opacity: 0.85;
}

.app-store-button {
    background-color: #6fb7e9;
    color: #1f3a5f;
    padding: 15px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    letter-spacing: 0.2px;
    transition: background-color 0.2s, transform 0.15s;
    display: inline-block;
}

.app-store-button:hover {
    background-color: #91caf0;
    transform: translateY(-1px);
}

.helper-text {
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
    margin-top: 10px;
}

footer {
    padding: 20px;
    width: 100%;
    text-align: center;
    border-top: 1px solid rgba(111, 183, 233, 0.18);
}

footer a {
    color: #6fb7e9;
    text-decoration: none;
    margin: 0 15px;
    font-size: 14px;
}

footer a:hover {
    text-decoration: underline;
}

footer a.active {
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 3px;
    pointer-events: none;
}

/* Styles for other pages */
.content-page {
    padding: 28px 40px 40px;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    text-align: left;
}

.content-page h1 {
    color: #6fb7e9;
    font-size: 28px;
    border-bottom: 2px solid rgba(95, 179, 162, 0.4);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.content-page h2 {
    color: #6fb7e9;
    font-size: 20px;
    margin: 28px 0 10px;
}

.content-page p {
    font-size: 16px;
    line-height: 1.65;
    margin-bottom: 20px;
    opacity: 0.9;
}

.content-page ul {
    margin: 0 0 20px 24px;
}

.content-page li {
    margin-bottom: 10px;
    line-height: 1.65;
    opacity: 0.9;
}

.content-page a {
    color: #6fb7e9;
}

.content-page a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .page-nav {
        padding: 20px 20px 0;
    }

    .content-page {
        padding: 20px 20px 40px;
    }
}