/* ------------------------------
   Global Styles
------------------------------ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* ------------------------------
   Header
------------------------------ */

header {
    background-color: #1f2937;
    color: white;
    padding: 2rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 2rem;
}

nav {
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.25s ease;
}

nav a:hover {
    color: #60a5fa;
}

/* ------------------------------
   Main Content
------------------------------ */

main {
    max-width: 1000px;
    margin: 3rem auto;
    padding: 0 2rem;
}

section {
    margin-bottom: 4rem;
}

section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

section p {
    font-size: 1rem;
    color: #555;
}

/* ------------------------------
   Cards (optional)
------------------------------ */

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-top: 1rem;
}

/* ------------------------------
   Buttons (optional)
------------------------------ */

.button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.25s ease;
}

.button:hover {
    background: #1d4ed8;
}

/* ------------------------------
   Footer
------------------------------ */

footer {
    background-color: #1f2937;
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 4rem;
}

/* ------------------------------
   Responsive Design
------------------------------ */

@media (max-width: 768px) {

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    nav {
        flex-direction: column;
        gap: 0.75rem;
    }

    main {
        margin: 2rem auto;
        padding: 0 1.25rem;
    }
}