@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background-color: #fafcff;
    color: #333;
    margin: 0;
    padding-bottom: 60px;
    text-align: center;
}

header {
    background-color: #e3efff;
    padding: 15px 10px;
    border-bottom: 2px solid #d4e6ff;
}

.logo {
    height: 50px;
    margin: 0 10px;
    vertical-align: middle;
}

h1 {
    color: #004a99;
    font-size: 1.8em;
    margin-top: 10px;
}

nav a {
    color: #005bcf;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 800px;
    margin: 40px auto;
    background-color: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
}

.details-container {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-bottom: 20px;
}

.details {
    flex: 1;
    background-color: #f1f7ff;
    border-radius: 8px;
    padding: 15px;
}

.details h3 { color: #005bcf; }

.details a { color: #005bcf; text-decoration: none; }
.details a:hover { text-decoration: underline; }

.countdown-container {
    background-color: #e6f2ff;
    border-radius: 10px;
    padding: 15px 25px;
    display: inline-block;
    margin: 20px auto;
    font-size: 1.3em;
    color: #005bcf;
    box-shadow: 0 3px 10px rgba(0,0,0,0.07);
}

.countdown-label { font-weight: 600; margin-right: 8px; }

.highlights {
    background-color: #f0f8ff;
    padding: 30px;
    border-radius: 12px;
    margin: 30px auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.highlights h2 { color: #005bcf; font-size: 1.8em; }

.highlight-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.highlight-box {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
    border-bottom: 4px solid #005bcf;
}

.highlight-box:hover { transform: translateY(-10px); }

.highlight-box i {
    font-size: 2.5em; color: #005bcf; margin-bottom: 15px;
}

.btn-highlight {
    background-color: #005bcf;
    color: #ffffff;
    padding: 12px 40px;
    border-radius: 30px;
    display: inline-block;
    font-weight: 500;
    text-decoration: none;
    margin-top: 20px;
}

.btn-highlight:hover { background-color: #0047a6; }

.organized-by { color: #555; font-size: 0.95em; }

footer {
    background-color: #e3efff;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
    color: #555;
    font-size: 0.9em;
    border-top: 2px solid #d4e6ff;
}

#speakers-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.speaker {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    max-width: 750px;
    width: 100%;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
    text-align: center;
}

.speaker-focus {
    box-shadow: 0 0 0 3px #005bcf33, 0 6px 18px rgba(0,0,0,0.15);
}

.speaker-img {
    height: 120px;
    width: 120px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
}

.speaker h3 {
    margin-top: 10px;
    color: #005bcf;
    font-size: 1.3em;
}

.speaker p, .speaker h4 {
    font-size: 1em;
    margin: 8px auto;
    color: #333;
    max-width: 90%;
}

.contact-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #e3efff;
}

.contact-section h2 {
    font-size: 1.6em;
    margin-bottom: 10px;
    color: #005bcf;
}

.contact-section p {
    font-size: 1em;
    color: #333;
}

.agenda-intro {
    margin-bottom: 25px;
}

.agenda-intro h2 {
    color: #005bcf;
    font-size: 1.7em;
    margin-bottom: 10px;
}

#agenda-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.agenda-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 20px;
    background-color: #f1f7ff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    text-align: left;
}

.agenda-time {
    font-size: 1.4em;
    font-weight: 600;
    color: #005bcf;
}

.agenda-details h3 {
    margin: 0;
    color: #004a99;
}

.agenda-speaker {
    font-weight: 500;
    margin: 8px 0;
}

@media (max-width: 600px) {
    .details-container {
        flex-direction: column;
    }

    .agenda-item {
        grid-template-columns: 1fr;
    }

    .agenda-time {
        font-size: 1.2em;
    }
}