body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #f7f9fa;
    color: #222;
}
header {
    background: #2d6cdf;
    color: #fff;
    padding: 0;
}
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem;
}
.logo {
    font-size: 1.5em;
    font-weight: bold;
}
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5em;
    margin: 0;
    padding: 0;
}
.main-nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.main-nav a:hover {
    color: #cce0ff;
}
.home-section {
    background: #eaf1fb;
    padding: 2.5rem 1rem 2rem 1rem;
    text-align: center;
}
main {
    padding: 0 1rem 2rem 1rem;
}
.features {
    max-width: 800px;
    margin: 2rem auto 0 auto;
}
.user-types {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}
.user-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 1.5rem;
    width: 300px;
    text-align: center;
}
.user-card.pro {
    border: 2px solid #2d6cdf;
    position: relative;
}
.badge {
    background: #2d6cdf;
    color: #fff;
    border-radius: 5px;
    padding: 0.2em 0.6em;
    font-size: 0.8em;
    margin-left: 0.5em;
}
.pro-feature {
    color: #2d6cdf;
    font-weight: bold;
}
button#backupBtn {
    margin-top: 1em;
    padding: 0.7em 1.5em;
    background: #2d6cdf;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}
button#backupBtn:hover {
    background: #1a4fa0;
}
.download-section {
    max-width: 800px;
    margin: 2rem auto 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
    color: #fff;
}

.download-section h2 {
    margin-bottom: 1rem;
    font-size: 2.2rem;
    font-weight: 700;
}

.download-section p {
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
}

.app-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.app-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 180px;
}

.app-button:hover:not(.disabled) {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.app-button.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.app-icon {
    font-size: 2rem;
}

.app-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-store {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-bottom: 0.2rem;
}

.app-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.app-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.feature-icon {
    font-size: 1.2rem;
}

.contact-section {
    max-width: 800px;
    margin: 2rem auto 0 auto;
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    text-align: center;
}
footer {
    background: #f1f1f1;
    text-align: center;
    padding: 1.5rem 1rem 1rem 1rem;
    margin-top: 2rem;
    font-size: 0.95em;
}
footer nav a {
    color: #2d6cdf;
    text-decoration: none;
    margin: 0 0.5em;
}
footer nav a:hover {
    text-decoration: underline;
}
@media (max-width: 700px) {
    .main-nav {
        flex-direction: column;
        gap: 1em;
    }
    .user-types {
        flex-direction: column;
        align-items: center;
    }
    .user-card, .contact-section, .download-section {
        width: 90%;
    }
    .download-section {
        padding: 2rem 1rem;
    }
    .download-section h2 {
        font-size: 1.8rem;
    }
    .app-buttons {
        flex-direction: column;
        align-items: center;
    }
    .app-button {
        width: 100%;
        max-width: 280px;
    }
    .app-features {
        gap: 1rem;
    }
    .feature-item {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
}