:root {
    --primary: #1e3a5f;
    --primary-light: #2d5b8c;
    --accent: #4da3ff;
    --background: #eef4fb;
    --surface: #ffffff;
    --text: #222222;
    --text-light: #666666;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
}

/* =====================
   Header
===================== */

header {
    background-color: var(--primary);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
}

header h1 {
    margin-bottom: 1rem;
}

/* =====================
   Navigation
===================== */

nav {
    margin-bottom: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    margin: 0 1rem;
}

nav a:hover {
    color: var(--accent);
}

/* =====================
   Hero
===================== */

.hero {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    color: white;
    margin-bottom: 1rem;
}

.hero p {
    margin-bottom: 1rem;
}

/* =====================
   Main Content
===================== */

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

main h2 {
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

main h3 {
    color: var(--primary-light);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

main p,
main ul,
main form {
    background-color: var(--surface);
    padding: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

main ul {
    padding-left: 2.5rem;
}

main img {
    margin-inline: auto;
    display: block;
}

/* =====================
   Buttons
===================== */

.cta-button {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: 0.2s ease;
}

.cta-button:hover {
    background-color: var(--primary-light);
}

/* =====================
   Forms
===================== */

input,
textarea {
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.25rem;
    border: 1px solid #ccc;
    border-radius: 6px;
}

button {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: var(--primary-light);
}

/* =====================
   Images
===================== */

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* =====================
   Footer
===================== */

footer {
    background-color: var(--primary);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
}

footer p {
    margin-bottom: 1rem;
}

footer a {
    color: white;
    text-decoration: underline;
}

footer a:hover {
    color: var(--accent);
}

/* =====================
   Mobile
===================== */

@media (max-width: 768px) {
    nav a {
        display: block;
        margin: 0.5rem 0;
    }

    header {
        padding: 1.5rem 1rem;
    }

    .hero h2 {
        font-size: 1.75rem;
    }
}