/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

/* ---------- Global Styles ---------- */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #f9fbff, #eef2ff);
    color: #333;
}

/* ---------- Conference Wrapper ---------- */
.conf {
    width: 100%;
    margin: auto;
}

/* ---------- Stylish Conference Header ---------- */
.confTitleBox {
    color: white;
    min-height: 150px;
    background: linear-gradient(to right, #002855, #0056b3);
    text-align: center;
    padding: 40px 0;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    border-bottom: 4px solid #003366;
}

.confTitle {
    max-width: 1000px;
    margin: auto;
}

.conference-title-link {
    font-size: 32px;
    font-weight: 600;
    text-decoration: none;
    color: white;
    transition: 0.3s ease-in-out;
}

.conference-title-link:hover {
    opacity: 0.9;
}

/* ---------- Subtitle Section ---------- */
.confSubTitleBox {
    background: #002855;
    padding: 15px 0;
    text-align: center;
    border-top: 2px solid #b6c9ff;
    border-bottom: 2px solid #b6c9ff;
}

.confSubTitleContent {
    max-width: 1000px;
    margin: auto;
    font-size: 16px;
    color: #002855;
    font-weight: 500;
}

/* ---------- Date & Place Styling ---------- */
.datePlace {
    font-size: 18px;
    font-weight: bold;
    color: #004085;
}

/* ---------- Stylish Announcement Banner ---------- */
.simpleTextAnnouncement {
    background: #f3fdff;
    color: white;
    font-weight: bold;
    text-align: center;
    padding: 14px 0;
    font-size: 16px;
    text-transform: uppercase;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.15);
}

/* ---------- Main Content Layout ---------- */
#confSectionsBox {
    max-width: 1100px;
    margin: 40px auto;
    display: flex;
}

/* ---------- Stylish Sidebar Menu ---------- */
.conf_leftMenu {
    width: 270px;
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.08);
}

#outer {
    list-style: none;
    padding: 0;
}

#outer li {
    margin-bottom: 10px;
}

#outer li a {
    display: block;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    color: #003366;
    padding: 12px;
    border-radius: 6px;
    transition: background 0.3s ease-in-out, color 0.3s ease-in-out;
}

#outer li a:hover {
    background: #f3fdff;
    color: white;
}

/* ---------- Selected Menu Item ---------- */
.menuConfTitle.selected > a,
.menuConfMiddleCell.selected > a {
    color: white;
    background: #f3fdff;
    font-weight: bold;
    border-radius: 6px;
}

/* ---------- Submenu Items ---------- */
li ul.inner li a {
    padding-left: 30px;
    font-size: 14px;
    color: 00000;
}

/* ---------- Content Section ---------- */
.confBodyBox {
    flex: 1;
    margin-left: 20px;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.1);
}

/* ---------- Stylish CTA Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 25px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    color: white;
    background: linear-gradient(to right, #ff6f61, #ff3b2f);
    border-radius: 6px;
    transition: 0.3s ease-in-out;
}

.btn:hover {
    background: linear-gradient(to right, #e04e3d, #cc2a1f);
}

/* ---------- Footer ---------- */
footer {
    background: #002855;
    color: white;
    text-align: center;
    padding: 20px 0;
    font-size: 16px;
    margin-top: 50px;
    box-shadow: 0px -3px 6px rgba(0, 0, 0, 0.15);
}

/* ---------- Responsive Design (Mobile Friendly) ---------- */
@media (max-width: 1024px) {
    #confSectionsBox {
        flex-direction: column;
    }

    .conf_leftMenu {
        width: 100%;
        margin-bottom: 20px;
    }

    .confBodyBox {
        margin-left: 0;
    }

    .conference-title-link {
        font-size: 24px;
    }
}