/* GOOGLE FONTS (add in HTML head also) */
/* Poppins + Noto Sans Bengali */

/* RESET */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: #f4f7fb;
    font-size: 16px;
}

/* Assamese text fix */
.assamese {
    font-family: 'Noto Sans Bengali', sans-serif;
    font-weight: 500;
    font-size: 17px;
    line-height: 1.7;
    color: #222;
}

/* HEADER */
.header {
    background: linear-gradient(135deg,#1e3c72,#2a5298);
    color: white;
    padding: 20px;
    text-align: center;
}

/* LOGO */
.logo {
    width: 160px;
    margin-bottom: 10px;
}

/* CONTAINER */
.container {
    width: 100%;
    max-width: 420px;
    margin: auto;
    padding: 20px;
    text-align: center;
}

/* HEADINGS */
h1, h2 {
    text-align: center;
    margin-bottom: 15px;
}

/* GRID */
.grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* =========================
   BUTTON CARDS (TOPICS)
========================= */
.card {
    width: 100%;
    background: white;
    padding: 18px;
    border-radius: 15px;

    font-size: 18px;
    font-weight: 500;
    text-align: center;

    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
    transition: 0.25s;
    cursor: pointer;
}

/* Hover */
.card:hover {
    background: #2a5298;
    color: white;
    transform: translateY(-3px);
}

/* Click */
.card:active {
    transform: scale(0.96);
}

/* LINKS */
a {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* =========================
   CONTENT (Q&A STYLE)
========================= */

#content {
    text-align: left;
    margin-top: 10px;
}

/* Content Box */
.content-box {
    background: #ffffff;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Question */
.question {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #2a5298;
}

/* Answer */
.answer {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}

/* =========================
   BUTTON
========================= */
button {
    padding: 10px;
    border: none;
    background: #2a5298;
    color: white;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    opacity: 0.9;
}

/* =========================
   MOBILE RESPONSIVE
========================= */
@media (max-width: 600px) {

    .container {
        max-width: 100%;
        padding: 18px;
    }

    .card {
        font-size: 19px;
        padding: 20px;
    }

    h1 {
        font-size: 22px;
    }

    h2 {
        font-size: 19px;
    }
}