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

/* Global styles */
body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
}

a {
    color: #0f62fe;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & navigation */
header {
    background-color: #0f172a;     /* dark blue */
    border-bottom: 1px solid #111827;
    color: #ffffff;
}

header .branding {
    padding: 1rem 0 0.5rem 0;
    font-weight: bold;
    font-size: 1.2rem;
}

nav {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
}

nav li {
    margin-right: 0.5rem;
}

nav a {
    display: inline-block;
    padding: 0.5rem 0.9rem;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    color: #e5e7eb;               /* light grey text */
}

nav a:hover {
    background-color: #111827;
    border-color: #1f2937;
    text-decoration: none;
}

nav a.active {
    background-color: #2563eb;    /* blue highlight */
    color: #ffffff;
    border-color: #2563eb;
}

/* Main content */
main {
    padding: 1.5rem 0 2rem 0;
}

.hero {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid #ddd;
}

.hero h1 {
    margin-bottom: 0.75rem;
    font-size: 1.6rem;
}

.hero p {
    margin-bottom: 0.5rem;
}

.section {
    margin-bottom: 1.5rem;
    background-color: #ffffff;
    padding: 1.2rem 1.5rem;
    border-radius: 6px;
    border: 1px solid #ddd;
}

.section h2 {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.section h3 {
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 1.05rem;
}

.section p {
    margin-bottom: 0.5rem;
}

.section ul {
    margin-left: 1.2rem;
    margin-bottom: 0.5rem;
}

.section li {
    margin-bottom: 0.25rem;
}

/* Footer */
footer {
    border-top: 1px solid #ddd;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
    background-color: #ffffff;
}

/* Responsive */
@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
    }

    nav li {
        margin-right: 0;
    }

    .hero, .section {
        padding: 1rem;
    }
}

/* Card grid layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 0.75rem;
}

.card {
    border: 1px solid #dbeafe;       /* light blue border */
    border-radius: 6px;
    padding: 0.9rem 1rem;
    background-color: #f0f6ff;       /* soft blue background */

    /* Animation on load */
    opacity: 0;
    transform: translateY(6px);
    animation: fadeInUp 0.4s ease-out forwards;

    /* Smooth hover effect */
    transition:
        transform 0.18s ease-out,
        box-shadow 0.18s ease-out,
        border-color 0.18s ease-out,
        background-color 0.18s ease-out;
}

.card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Icon style inside card titles */
.card h3 {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

/* Icon circle */
.card h3 .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: #dbeafe;   /* light blue circle */
    color: #1e3a8a;              /* dark blue icon */
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.12);
    background-color: #e5f0ff;   /* slightly stronger on hover */
    border-color: #bfdbfe;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}