:root {
    --accent: #0d83fd;
    --ink: #15171c;
    --muted: #5b6470;
}

* {
    box-sizing: border-box;
}

/* ===== SCREEN BACKGROUND (the "desk") ===== */
body {
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    line-height: 1.65;
    margin: 0;
    padding: 40px 16px;
    background: #f4f7fb;
    /* subtle gray/blue */
}

/* ===== DOCUMENT CONTAINER (the "paper") ===== */
.document {
    max-width: 880px;
    margin: auto;
    background: #fff;
    /* PURE WHITE CONTENT */
    padding: 48px 40px 60px;
    border-radius: 10px;

    /* soft shadow = depth */
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Optional: subtle border for extra crispness */
.document {
    border: 1px solid #e6ecf2;
}

/* ===== WATERMARK ===== */
.document::before {
    content: "EastNexa";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-25deg);

    font-size: 120px;
    font-weight: 700;
    letter-spacing: 5px;

    color: rgba(13, 129, 253, 0.23);
    /* VERY faint */
    white-space: nowrap;
    pointer-events: none;

    z-index: 0;
}

/* Make sure content stays above watermark */
.document>* {
    position: relative;
    z-index: 1;
}

/* ===== HEADER ===== */
header {
    border-bottom: 3px solid var(--accent);
    padding-bottom: 18px;
    margin-bottom: 32px;
}

header .brand {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: .85rem;
}

/* ===== TYPOGRAPHY ===== */
h1 {
    font-size: 2rem;
    margin: .25rem 0 .5rem;
}

h2 {
    color: var(--accent);
    margin-top: 2rem;
    font-size: 1.25rem;
}

h3 {
    margin-top: 1.4rem;
    font-size: 1.05rem;
}

p,
li {
    color: #2a2f38;
}

ul {
    padding-left: 1.2rem;
}

.meta {
    color: var(--muted);
    font-size: .92rem;
}

/* ===== CALLOUTS ===== */
.callout {
    background: #eaf4ff;
    border-left: 4px solid var(--accent);
    padding: 14px 18px;
    border-radius: 8px;
    margin: 18px 0;
}

.danger {
    background: #fff4f4;
    border-left: 4px solid #d9534f;
    padding: 14px 18px;
    border-radius: 8px;
    margin: 18px 0;
}

/* ===== FOOTER ===== */
footer {
    margin-top: 48px;
    padding-top: 18px;
    border-top: 1px solid #e5e9ef;
    color: var(--muted);
    font-size: .88rem;
}

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

/* ===== MOBILE POLISH ===== */
@media (max-width: 600px) {
    .document {
        padding: 32px 20px;
        border-radius: 8px;
    }
}