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

html, body {
    font-family: sans-serif;
    background: #f7f8fa;
    color: #222;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.page-container {
    width: 100%;
    max-width: 1350px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Main Section Styles */
.section {
    flex-grow: 1;
    padding-bottom: 20px;
    min-height: calc(100vh - 100px);
}

/* Lecture Series Page Specific Styles */
.lecture-series-page .heading-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: 10px;
}

.lecture-series-page .main-heading {
    font-size: 1.75rem;
    font-weight: 700;
    color: #003366;
    padding: 10px 0 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
    display: inline-block;
    white-space: nowrap;
}

.lecture-series-page .main-heading::after {
    content: '';
    display: block;
    width: 130px;
    height: 4px;
    background-color: #e2b347;
    margin: 10px auto 10px;
    border-radius: 2px;
}

.news-card.horizontal {
    padding: 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-left: 6px solid #1976d2;
    margin-bottom: 3rem;
}

.news-card.horizontal:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}

/* Lecture Description and List Styles */
.lecture-description {
    margin-bottom: 2rem;
    max-width: 1300px;
    margin-left: auto;
    margin-right: auto;
}

.lecture-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #333;
    text-align: left;
}

.lecture-list {
    max-width: 100%;
}

.lecture-list ul {
    list-style-type:disc;
    padding-left: 1.5;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 2rem;
}

.lecture-list ul li {
    margin-bottom: 0; /* Remove margin-bottom since grid handles spacing */
}

.lecture-list ul li a {
    font-size: 1.1rem;
    color: #3a7dbf;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.lecture-list ul li a:hover {
    color: #e2b347;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 900px) {
    .page-container {
        max-width: 98vw;
    }

    .section {
        padding-bottom: 40px;
    }

    .lecture-series-page .main-heading {
        font-size: 2.2rem;
        padding: 30px 0 15px;
        margin-top: 30px;
    }

    .news-card.horizontal {
        padding: 1.5rem;
    }

    .lecture-description p {
        font-size: 1rem;
    }

    .lecture-list ul {
        grid-template-columns: 1fr; /* Switch to single column on smaller screens */
        gap: 1rem;
    }

    .lecture-list ul li a {
        font-size: 1rem;
    }
}

@media (max-width: 500px) {
    .section {
        padding-bottom: 30px;
    }

    .lecture-series-page .main-heading {
        font-size: 1.5rem;
        padding: 20px 0 10px;
        margin-top: 20px;
    }

    .lecture-series-page .main-heading::after {
        margin: 8px auto 20px;
    }

    .news-card.horizontal {
        padding: 1rem;
    }

    .lecture-description p {
        font-size: 0.95rem;
    }

    .lecture-list ul li a {
        font-size: 0.95rem;
    }
}