body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    letter-spacing: 0.2px;
    margin: 0;
    padding: 0;
    position: relative;
    min-height: 100vh;
    background-color: #f4f7f6;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("pics/map_bg.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    opacity: 0.08;
    z-index: -1;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #2c3e50;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 50px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db;
    padding-left: 12px;
    color: #2c3e50;
}

.meta-info {
    font-style: italic;
    color: #666;
    margin-bottom: 20px;
}

nav {
    background: #2c3e50;
    color: #ffffff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 8px;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #3498db;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    background: #ffffff;
    padding: 40px;
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
    border-radius: 8px;
}

header {
    text-align: center;
    border-bottom: 2px solid #f4f7f6;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.download-box {
    background: linear-gradient(135deg, #eef4f8, #f8fbfd);
    padding: 35px;
    border-radius: 12px;
    text-align: center;
    margin: 45px 0;
    border: 1px solid #dbe6ee;
}

.download-box h2 {
    border-left: none;
    padding-left: 0;
    margin-top: 0;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.btn {
    display: inline-block;
    background: #3498db;
    color: #ffffff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
}

.btn:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #6c7a89;
}

.btn-secondary:hover {
    background: #56616d;
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: #888;
}

.map-credit {
    position: fixed;
    right: 12px;
    bottom: 8px;
    font-size: 0.6rem;
    color: #7a7a7a;
    background: rgba(255, 255, 255, 0);
    padding: 3px 6px;
    border-radius: 4px;
}

.btn-app {
    background: #2c3e50;
    font-size: 1.1rem;
    padding: 16px 34px;
    border-radius: 12px;
    box-shadow: 0 10px 22px rgba(44, 62, 80, 0.25);
}

.btn-app:hover {
    background: #1f2d3a;
    transform: none;
}

.app-link-box {
    text-align: center;
    margin: 35px 0;
}

section {
    scroll-margin-top: 80px;
}

@media (max-width: 600px) {
    .contact-card {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 20px;
        margin: 10px;
    }

    nav ul li {
        margin: 5px 10px;
    }
}