:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6b00;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --dark-gray: #666;
    --white: #ffffff;
    --panel-bg: rgb(208, 236, 255);
    --break-bg: #fff3e6;
    --text-color: #ccc;

}

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

body {
    background-color: var(--light-gray);
    line-height: 1.6;
    font-family: "Albert Sans", sans-serif;
}


/* Header Styles */

.header {
    background: linear-gradient(135deg, #1a237e 0%, #0d47a1 50%, #1976d2 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.header-logo {
    position: absolute;
    top: 10px;
    left: 20px;
    width: 150px;
    height: auto;
    z-index: 10;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
}

.title {
    font-size: 3.2rem;
    color: white;
    margin: 0 0 1.5rem 0;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 2.2rem;
    color: #b3e5fc;
    margin-bottom: 2rem;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
    animation-delay: 0.2s;
    font-weight: 500;
    line-height: 1.4;
    font-family: 'Raleway', 'Segoe UI', sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    word-spacing: 11px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 2rem;
}

.conference-note {
    font-size: 1.2rem;
    color: #b3e5fc;
    margin-top: 2rem;
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 1s ease-out forwards;
    animation-delay: 0.7s;
    font-weight: 300;
    line-height: 1.4;
    font-family: 'Raleway', 'Segoe UI', sans-serif;
    letter-spacing: 1px;
}

.header-content {
    text-align: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.header-bottom {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-top: 2rem;
}

.logo-bg {
    position: absolute;
    width: 350px;
    opacity: 0.15;
    pointer-events: none;
    filter: brightness(1.2) blur(1px);
    mix-blend-mode: screen;
    z-index: 1;
}

.event-details {
    color: white;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 1.7rem;
    border-radius: 15px;
    backdrop-filter: blur(5px);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s ease-out forwards;
    animation-delay: 0.4s;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.event-details:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.date {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
    font-weight: 600;
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
}

.location {
    font-size: 1.4rem;
    opacity: 0.95;
    font-weight: 400;
    font-family: 'Raleway', 'Segoe UI', sans-serif;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    100% {
        background-position: 0% 0%;
    }
}

.main-content {
    padding: 2rem 0;
}

.two-column-layout {
    
    display: grid;
    grid-template-columns: 1fr 1fr; 
    grid-template-rows: auto auto; 
    gap: 0 2rem;
    align-items: stretch;
}

.agenda-day {
    display: none;
    max-width: 600px;
    background-color: var(--white);
    border-radius: 8px;
    padding: 0.5rem;
    opacity: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: opacity 1s ease, transform 1s ease;
    transform: translateY(20px);
}

.agenda-day-1 {
    grid-column: 1;
    grid-row: 1;
}

.agenda-day-2 {
    grid-column: 1;
    grid-row: 2;
}


.agenda-day:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.agenda-day h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid #ccc;
}
.agenda-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5 rem;
    flex-wrap: wrap;
}

.agenda-tab {
    padding: 0.6rem 3.2rem;
    background-color: #ffffff;
    border: 2px solid #007bff;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.4rem;
    color: #007bff;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.agenda-tab:hover {
    background-color: #e6f0ff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.agenda-tab.active {
    background-color: #007bff;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
}
.agenda-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.agenda-day.active {
    display: block;
    opacity: 1;
}

.schedule {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    padding: 1rem;
    border-radius: 8px;
}

.time-slot {
    display: flex;
    flex-direction: column; 
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #ffffff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.time-slot:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.time {
    font-size: 1.2rem;
    font-weight: bold;
    color: #4d8fca;
    margin-bottom: 0.5rem;
}

.event {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.time-slot .topics {
    list-style-type: none;
    padding-left: 1.5rem;
    margin-top: 0.5rem;
    color: #555;
}

.time-slot .topics li {
    margin-bottom: 0.3rem;
}

.time-slot .topics li::before {
    content: "•";
    color: #4d8fca;
    margin-right: 0.5rem;
}

.time-slot .time:empty {
    display: none;
}

.time-slot .time:empty + .event {
    font-style: italic;
    color: #999;
}

.time-slot.panel {
    background-color: #d2efff;
    border-left: 5px solid #4d8fca; 
}

.time-slot.panel:hover {
    background-color: #a1c8e5;
}
.info-column {
    max-width: 600px;
    grid-column: 2;
    grid-row: 1 / span 2;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px); 
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.info-card h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1.5rem; 
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.info-card ul {
    list-style-position: inside;
    margin-left: 1rem; 
    padding: 0;
}

.info-card ul li {
    margin-bottom: 0.8rem;
    font-size: 1rem; 
    color: var(--dark-gray);
    line-height: 1.6; 
}

.info-card p {
    text-align: center;
    font-size: 1rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.info-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Footer */

footer {
    background-color: #333;
    color: var(--white);
    padding: 2rem 1rem;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.copyright {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0.85;
}

/* Responsive Design */
@media (max-width: 1290px) {
    .header-logo {
        left: 50%;
        top: 10px;
        transform: translateX(-50%);
    }
    .header-content {
        margin-top: 80px;
    }
}

@media (max-width: 992px) {
    .info-column {
        gap: 1rem;
    }
    .two-column-layout {
        gap: 2rem;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .agenda-day {
        max-width: 100%;
    }
    .agenda-day-1,
    .agenda-day-2,
    .info-column {
        grid-column: 1 !important;
        grid-row: auto;
    }
    .agenda-tabs {
        gap: 0.5rem;
    }

    .agenda-tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        flex: 1 1 auto; 
        text-align: center;
    }
}

@media (max-width: 768px) {
    
    .sponsor-track {
        gap: 2rem;
        animation-duration: 20s;
    }

    .sponsor-bar img {
        height: 35px;
    }

    .sponsor-bar {
        padding: 0.5rem 0;
    }
    .main-content {
        padding: 1rem 0;
    }

    .time-slot {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 0.8rem;
    }
    .time {
        font-size: 0.9rem;
    }
    .event {
        padding-left: 0;
    }
    .info-card {
        padding: 1.2rem;
    }
    .info-card h3 {
        font-size: 1.2rem;
    }
    .title {
        font-size: 7vw;
    }
    .subtitle {
        font-size: 7vw;

    }
}

@media (max-width: 480px) {
    .header-content {
        margin-top: 90px;
    }
    .agenda-day {
        padding: 1rem;
    }
    .agenda-day h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    .time-slot {
        padding: 0.8rem 0.6rem;
    }
    .info-card {
        padding: 1rem;
    }
    .info-card h3 {
        font-size: 1.1rem;
    }
    .info-card p,
    .info-card li {
        font-size: 0.9rem;
    }

}

.sponsor-bar {
    overflow: hidden;
    background: rgb(184, 199, 212);
    padding: 1rem 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    position: relative;
}

.sponsor-track {
    display: flex;
    gap: 4rem;
    width: max-content;
    animation: scrollLoop 25s linear infinite;
    align-items: center;
}

.sponsor-bar img {
    height: 50px;
    object-fit: contain;
    width: auto;
    transition: filter 0.3s, opacity 0.3s;
}

@keyframes scrollLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}