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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

a:focus {
    text-decoration: underline;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f3a5f;
}

nav ul {
    display: flex;
    gap: 20px;
}

nav a {
    color: #333;
    font-weight: 500;
}

nav a:hover, nav a:focus {
    color: #2f5d8a;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero */
.hero {
    padding: 80px 0;
    text-align: center;
    background-color: #f9f9f9;
}

.hero h1 {
    font-size: 2.5rem;
    color: #1f3a5f;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Buttons */
.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn:focus {
    outline: 3px solid #b3d1ff;
}

.btn-primary {
    background-color: #1f3a5f;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #2f5d8a;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: #1f3a5f;
    border: 2px solid #1f3a5f;
}

.btn-secondary:hover {
    background-color: #e6f0fa;
    transform: translateY(-1px);
}

/* Sections */
section {
    padding: 60px 0;
}

h2 {
    font-size: 2rem;
    color: #1f3a5f;
    margin-bottom: 30px;
    text-align: center;
}

/* Coverage */
.coverage-grid {
    display: flex;
    justify-content: center;
}

.card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    max-width: 600px;
    width: 100%;
}

.card h3 {
    color: #2f5d8a;
    margin-bottom: 20px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    font-size: 1.5rem;
}

.card ul li {
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 1.1rem;
}

.card ul li:last-child {
    border-bottom: none;
}

/* Importance */
.importance p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 30px;
}

.importance ul {
    max-width: 700px;
    margin: 0 auto;
}

.importance li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
}

.importance li::before {
    content: "•";
    color: #2f5d8a;
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Featured / Callout */
.callout {
    background-color: #1f3a5f;
    color: #fff;
    padding: 50px 30px;
    border-radius: 8px;
    text-align: center;
}

.callout h2, .callout h3 {
    color: #fff;
    margin-bottom: 15px;
}

.callout h2 {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.callout h3 {
    font-size: 2rem;
}

.callout p {
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.callout .btn-primary {
    background-color: #fff;
    color: #1f3a5f;
    border: 2px solid #fff;
}

.callout .btn-primary:hover {
    background-color: transparent;
    color: #fff;
}

/* Newsletter */
.newsletter {
    background-color: #f4f4f4;
    text-align: center;
}

.newsletter-placeholder {
    margin-top: 30px;
    padding: 40px;
    border: 2px dashed #ccc;
    color: #777;
    background: #fff;
    display: inline-block;
    width: 100%;
    max-width: 500px;
}

/* Footer */
footer {
    background-color: #1f3a5f;
    color: #fff;
    padding: 50px 0;
    text-align: center;
}

.footer-links {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links a {
    color: #fff;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.copyright {
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 20px;
        border-top: 1px solid #eee;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

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

    .button-group {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .callout {
        padding: 30px 20px;
    }
}