/* ===============================
   DARK ACADEMIC THEME
   =============================== */

/* ---------- ROOT COLORS ---------- */
:root {
    --bg-main: #0b1120;          /* Deep navy background */
    --card-bg: #111827;          /* Slightly lighter card */
    --accent: #3b82f6;           /* Professional blue */
    --accent-soft: #60a5fa;      /* Lighter hover blue */
    --text-main: #e5e7eb;        /* Main readable text */
    --text-muted: #9ca3af;       /* Secondary text */
    --border: #1f2937;
    --radius: 16px;
}

/* ---------- BODY ---------- */
body {
    margin: 0;
    padding: 50px 20px;
    font-family: 'Segoe UI', sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.8;
}

/* ---------- MAIN CONTAINER ---------- */
.container {
    max-width: 900px;
    margin: auto;
    background: var(--card-bg);
    padding: 50px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* ---------- MAIN HEADING ---------- */
h1 {
    font-size: 34px;
    color: var(--accent);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

/* ---------- SECTION HEADINGS ---------- */
h2 {
    margin-top: 40px;
    font-size: 20px;
    color: var(--text-main);
    border-left: 4px solid var(--accent);
    padding-left: 10px;
}

/* ---------- PARAGRAPH ---------- */
p {
    color: var(--text-main);
    margin: 10px 0;
}

/* ---------- LIST ---------- */
ul {
    padding-left: 25px;
}

li {
    margin-bottom: 8px;
    color: var(--text-muted);
}

/* ---------- LINKS ---------- */
a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    color: var(--accent-soft);
    text-decoration: underline;
}

/* ---------- FOOTER ---------- */
/* ---------- PREMIUM FOOTER ---------- */
.footer {
    margin-top: 70px;
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
}

/* Subtle divider line */
.footer::before {
    content: "";
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent);
    margin: 0 auto 20px auto;
    border-radius: 5px;
    opacity: 0.7;
}

/* Footer text style */
.footer p {
    margin: 5px 0;
    color: var(--text-muted);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
    .container {
        padding: 30px;
    }

    h1 {
        font-size: 26px;
    }

    h2 {
        font-size: 18px;
    }
}