:root {
    --primary-color: #088395;
    --text-dark: #1a1a1a;
    --text-muted: #636e72;
    --text-light: #ffffff;
    --bg-white: #ffffff;
    --footer-bg: #2d3436;
    --accent-bg: #f4f9f9;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafa;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Header Styling --- */
header {
    background-color: var(--primary-color);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    text-decoration: none;
    z-index: 1001;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    transition: 0.3s;
    border-radius: 5px;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hamburger Icon */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: 0.3s;
}

/* --- Main Content --- */
main {
    flex: 1;
    background-color: var(--bg-white);
    max-width: 1000px;
    margin: 40px auto;
    padding: 60px 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border-radius: 12px;
}

.exam-title {
    text-align: center;
    margin-bottom: 50px;
    border-bottom: 2px solid var(--accent-bg);
    padding-bottom: 30px;
}

.exam-title h1 { color: var(--primary-color); font-size: 1.8rem; margin-bottom: 10px; }
.exam-title p { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.section-tag {
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 25px;
}

/* MCQ Grid */
.mcq-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 60px;
}

.mcq-card {
    padding: 20px;
    border: 1px solid #edf2f2;
    border-radius: 8px;
    transition: 0.3s;
}

.mcq-card:hover {
    border-color: var(--primary-color);
    background-color: var(--accent-bg);
    transform: scale(1.02);
}

.q-text { font-weight: 600; font-size: 0.95rem; display: block; margin-bottom: 12px; }
.options-list { font-size: 0.85rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 10px; }

/* Subjective Section */
.subjective-card {
    margin-bottom: 20px;
    padding: 25px;
    border-left: 5px solid var(--primary-color);
    background: var(--accent-bg);
    border-radius: 0 8px 8px 0;
}

.subjective-card h3 { color: var(--primary-color); font-size: 1rem; margin-bottom: 10px; }
.subjective-card p { font-size: 1rem; line-height: 1.7; }

.download-btn {
    display: block;
    width: fit-content;
    margin: 40px auto 0;
    text-decoration: none;
    background: var(--primary-color);
    color: white;
    padding: 15px 35px;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s;
    text-align: center;
}

.download-btn:hover {
    background-color: #056674;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(8, 131, 149, 0.3);
}

/* --- Footer --- */
footer {
    background-color: var(--footer-bg);
    color: var(--text-light);
    text-align: center;
    padding: 40px;
    margin-top: auto;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-color);
        padding: 20px 0;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    nav ul.active { display: flex; }

    main { margin: 15px; padding: 30px 20px; }
    .mcq-wrapper { grid-template-columns: 1fr; }
    .exam-title h1 { font-size: 1.4rem; }
}



/* Description Section */
.hero-description {
    max-width: 1100px;
    margin: 40px auto 0;
    padding: 0 20px;
}

.about-card {
    background: #ffffff;
    border-left: 6px solid var(--primary-color);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.about-card h2 { color: var(--primary-color); margin-bottom: 15px; }
.about-card p { line-height: 1.8; color: #444; margin-bottom: 15px; }