:root {
    --primary-blue: #1e88e5;
    --secondary-blue: #0d47a1;
    --primary-green: #26a69a;
    --secondary-green: #00897b;
    --primary-yellow: #ffd54f;
    --secondary-yellow: #ffb300;
    --light-blue: #e8f4ff;
    --light-green: #e0f2f1;
    --light-yellow: #fffde7;
    --dark-text: #333;
    --light-text: #fff;
    --section-padding: 80px 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Latha', 'Noto Sans Tamil', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #f9f9f9;
    color: var(--dark-text);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.text-center {
    text-align: center;
}

.text-justify {
    text-align: justify;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--secondary-green), var(--primary-blue), var(--primary-green));
    color: var(--light-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.kolam-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.2;
    z-index: 1;
}

.traditional-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg width='120' height='40' viewBox='0 0 120 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffd54f' fill-opacity='0.4'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3Ccircle cx='40' cy='10' r='10'/%3E%3Ccircle cx='70' cy='10' r='10'/%3E%3Ccircle cx='100' cy='10' r='10'/%3E%3C/g%3E%3C/svg%3E");
    background-repeat: repeat-x;
    z-index: 2;
}

.traditional-border-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg width='120' height='40' viewBox='0 0 120 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffd54f' fill-opacity='0.4'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3Ccircle cx='40' cy='10' r='10'/%3E%3Ccircle cx='70' cy='10' r='10'/%3E%3Ccircle cx='100' cy='10' r='10'/%3E%3C/g%3E%3C/svg%3E");
    background-repeat: repeat-x;
    z-index: 2;
}

.header-content {
    z-index: 10;
    padding: 40px;
    width: 100%;
    max-width: 1200px;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: glow 3s infinite alternate, slideInUp 1s forwards;
}

@keyframes glow {
    0% {
        box-shadow: 0 0 20px rgba(38, 166, 154, 0.3), 0 0 30px rgba(30, 136, 229, 0.2);
    }
    100% {
        box-shadow: 0 0 30px rgba(38, 166, 154, 0.5), 0 0 40px rgba(30, 136, 229, 0.4), 0 0 50px rgba(255, 213, 79, 0.2);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-header-container {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.logo-container {
    width: 120px;
    height: 120px;
    margin-right: 30px;
    background: transparent;
}

.logo-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header-text {
    flex-grow: 1;
}

.header-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-yellow), var(--secondary-yellow), var(--light-text));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    position: relative;
    display: inline-block;
}

.header-content h1::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary-yellow), transparent);
    bottom: -8px;
    left: 0;
}

.event-details {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-top: 30px;
    background: rgba(184, 173, 173, 0.26);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.event-details p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.event-details svg {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    fill: var(--primary-yellow);
}

.event-details strong {
    margin-right: 10px;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    z-index: 1;
    animation-duration: 15s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
    opacity: 0.15;
}

.float-1 {
    width: 200px;
    height: 200px;
    top: 15%;
    right: 10%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='%23ffd54f' d='M50 5 L95 50 L50 95 L5 50 Z'/%3E%3C/svg%3E");
    background-size: contain;
    animation-name: float-1;
}

.float-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 5%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='45' fill='%2326a69a'/%3E%3C/svg%3E");
    background-size: contain;
    animation-name: float-2;
}

.float-3 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 15%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='%231e88e5' d='M20,20 L80,20 L80,80 L20,80 Z'/%3E%3C/svg%3E");
    background-size: contain;
    animation-name: float-3;
}

@keyframes float-1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -15px) rotate(5deg); }
    50% { transform: translate(0, -30px) rotate(0deg); }
    75% { transform: translate(-20px, -15px) rotate(-5deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-15px, 20px) rotate(-5deg); }
    50% { transform: translate(0, 40px) rotate(0deg); }
    75% { transform: translate(15px, 20px) rotate(5deg); }
}

@keyframes float-3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(15px, 15px) rotate(10deg); }
    50% { transform: translate(30px, 0) rotate(0deg); }
    75% { transform: translate(15px, -15px) rotate(-10deg); }
}

/* Navigation */
nav {
    background: var(--light-blue);
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
    height: 60px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    transition: all 0.3s ease;
}

.nav-menu li {
    padding: 0 15px;
}

.nav-menu a {
    padding: 19px 6px;
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a:active {
    color: var(--primary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary-green), var(--primary-blue), var(--primary-yellow));
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

.menu-dots {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 16px;
    width: 20px;
}

.dot {
    width: 4px;
    height: 4px;
    color: black;
    background-color: black;
    border-radius: 50%;
}

/* Section Styles */
section {
    padding: var(--section-padding);
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--secondary-blue);
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 4px;
    background: linear-gradient(to right, var(--primary-green), var(--primary-blue), var(--primary-yellow));
    bottom: -10px;
    left: 20%;
}

section h3 {
    font-size: 1.8rem;
    margin: 30px 0 20px;
    color: var(--secondary-green);
}

section p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* About Section */
#about {
    background: var(--light-green);
    position: relative;
    overflow: hidden;
}

.about-flex {
    display: flex;
    align-items: center;
    margin: 20px auto;
    background: transparent;
}

.image-container {
    flex: 1;
    padding: 15px;
    background: transparent;
}

.image-container img {
    max-width: 100%;
    height: auto;
    background: transparent;
}

.text-container {
    flex: 2;
    text-align: center;
    padding: 15px;
}

.organization-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.org-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    width: calc(33.333% - 20px);
    min-width: 250px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.org-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.org-card a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.org-card a:hover {
    color: var(--primary-green);
}

/* Schedule Section */
.schedule-section {
    padding: var(--section-padding);
    background: #f9f9f9;
}

.schedule-header {
    margin-bottom: 50px;
}

.schedule-header h2 {
    font-size: 2.5rem;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

.schedule-header p {
    font-size: 1.1rem;
    color: var(--dark-text);
    opacity: 0.8;
}

.schedule-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.schedule-day {
    background: var(#fff);
    border-radius: 15px;
    padding: 30px;
    width: 100%;
    max-width: 2000px;
    /* box-shadow: 0 10px 30px rgba(0,0,0,0.1); */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.schedule-day:hover {
    transform: translateY(-5px);
    /* box-shadow: 0 15px 40px rgba(0,0,0,0.15); */
}

.day-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
}

.day-tab {
    padding: 12px 30px;
    border-radius: 25px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.day-tab.active {
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    color: var(--light-text);
}

.day-tab:not(.active) {
    background: var(#232627);
    color: var(--dark-text);
}

.day-tab:hover:not(.active) {
    background: var(#292c2e);
}

.schedule-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.schedule-item {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.schedule-item:hover .schedule-time {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(38, 166, 154, 0.3);
}

.schedule-item:hover .schedule-details {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(30, 136, 229, 0.2);
}

.schedule-time {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-green));
    color: var(--light-text);
    padding: 20px;
    border-radius: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 140px;
    box-shadow: 0 5px 20px rgba(38, 166, 154, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.schedule-time::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.schedule-item:hover .schedule-time::before {
    left: 100%;
}

.schedule-details {
    background: linear-gradient(135deg, var(#fff), #f0f8ff);
    padding: 25px;
    border-radius: 15px;
    flex: 1;
    font-size: 1rem;
    color: var(--dark-text);
    line-height: 1.5;
    box-shadow: 0 5px 20px rgba(30, 136, 229, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(30, 136, 229, 0.1);
    position: relative;
    overflow: hidden;
}

.schedule-details::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-blue), var(--primary-green));
    transition: width 0.3s ease;
}

.schedule-item:hover .schedule-details::before {
    width: 8px;
}

.schedule-details strong {
    color: var(--secondary-blue);
    display: block;
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 700;
}

.schedule-details .speaker {
    color: var(--primary-green);
    font-weight: 600;
    font-style: italic;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--light-blue);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--secondary-blue);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--primary-blue);
    color: white;
}

.modal-content {
    /* display: flex; */
    gap: 30px;
    align-items: flex-start;
}

.speaker-photo img{
    width: auto;
    height: auto;
    background: var(#fff);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text);
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.event-details {
    flex: 1;
}

.event-details h3 {
    color: var(--secondary-blue);
    font-size: 1.8rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.event-meta {
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    border-left: 4px solid var(--primary-green);
}

.event-meta p {
    margin-bottom: 8px;
    font-size: 1rem;
}

.event-meta strong {
    color: var(--secondary-blue);
}

.event-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-text);
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.event-description h4 {
    color: var(--secondary-green);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .schedule-day {
        padding: 20px;
    }

    .day-tabs {
        /* flex-direction: column; */
        align-items: center;
    }

    .schedule-item {
        flex-direction: column;
        gap: 15px;
    }

    .schedule-time {
        min-width: auto;
        width: 100%;
        text-align: center;
    }

    .modal {
        padding: 30px 20px;
        margin: 20px;
    }

    .modal-content {
        flex-direction: column;
        gap: 20px;
    }

    .speaker-photo {
        width: auto;
        height: auto;
        align-self: center;
    }
}


/* Call for Speakers Section */
#call-for-speakers {
    background-color: var(--light-green);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

#call-for-speakers .lead {
    color: #445566;
    font-size: 1.2rem;
    line-height: 1.8;
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

#call-for-speakers .speaker-info {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    margin-top: 3rem;
    border-left: 4px solid var(--primary-green);
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

#call-for-speakers .speaker-info h4 {
    color: var(--secondary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 800;
    text-align: center;
}

#call-for-speakers .list-unstyled {
    list-style: none;
    padding-left: 0;
}

#call-for-speakers .list-unstyled li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: #445566;
    position: relative;
    padding-left: 10px;
}
.list-unstyled {
    list-style: none;
    padding-left: 0;
}

/* Contact Section */
#contact {
    background: var(--light-green);
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    width: 300px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--primary-blue);
}

.contact-card h4 {
    margin-bottom: 10px;
    color: var(--primary-blue);
}

/* Location Section */
#location {
    background: white;
}

.map-container {
    margin-top: 40px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

iframe {
    width: 100%;
    height: 450px;
    border: 0;
}

Registration Section */
#register {
    /* background: linear-gradient(135deg, var(--light-blue), var(--light-green), var(--light-yellow));
     */ background: var(--light-text);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    margin-top: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Footer */
footer {
    background: var(--primary-blue);
    color: var(--light-text);
    padding: 40px 0;
    text-align: center;
}

footer p {
    margin-bottom: 15px;
}

footer a {
    color: var(--light-green);
    text-decoration: none;
}

/* Responsive Design */
/* Mobile Responsive Design - OPTIMIZED */
@media (max-width: 768px) {
    /* Header optimizations */

    .header-content {
	padding: 20px;
    }
    
    .logo-header-container {
	flex-direction: column;
	text-align: center;
    }
    
    .logo-container {
	margin-right: 0;
	margin-bottom: 20px;
    }
    
    .header-content h1 {
	font-size: 3rem;
    }
    /* Timeline mobile optimizations */
    .timeline::before {
	left: 15px;
	width: 2px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
	margin-left: 35px;
	margin-right: 10px;
    }

    .timeline-circle {
	left: 15px;
	width: 14px;
	height: 14px;
	border-width: 2px;
	top: 25px;
    }

    .timeline-content {
	padding: 15px;
	margin-bottom: 25px;
    }

    .timeline-content::after {
	display: none;
    }

    .timeline-content::before {
	content: '';
	position: absolute;
	top: 25px;
	left: -18px;
	width: 0;
	height: 0;
	border-right: 10px solid white;
	border-top: 8px solid transparent;
	border-bottom: 8px solid transparent;
    }

    .timeline-content h3 {
	font-size: 1.3rem;
	margin-bottom: 8px;
	line-height: 1.4;
    }

    .timeline-content .time {
	font-size: 0.8rem;
	padding: 5px 12px;
	float: none !important;
	display: inline-block;
	margin-bottom: 8px;
    }

    .timeline-content .subtitle {
	font-size: 0.9rem;
	margin-bottom: 8px;
    }

    .timeline-content p {
	font-size: 0.95rem;
	line-height: 1.5;
	margin: 8px 0;
    }

    .timeline-content .host {
	font-size: 0.8rem;
	padding: 6px 12px;
	margin-top: 10px;
    }

    /* Day selector mobile */
    .day-selector {
	margin-bottom: 30px;
	flex-wrap: wrap;
    }

    .day-btn {
	padding: 8px 16px;
	font-size: 1rem;
	margin: 5px;
	min-width: 120px;
    }

    /* Navigation mobile */
    .nav-menu {
        position: absolute;
        flex-direction: column;
        background-color: white;
        width: 100%;
        top: 60px;
        left: -100%;
        padding: 10px 0;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }

    .nav-menu li {
        padding: 15px;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .menu-toggle {
        display: flex;
        align-items: center;
    }

    .nav-menu.active {
        left: 0;
    }

    /* Section spacing mobile */
    section {
	padding: 40px 0;
    }

    section h2 {
	font-size: 1.8rem;
	margin-bottom: 20px;
    }

    .container {
	width: 95%;
	padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .timeline-content {
	margin-left: 30px;
	margin-right: 5px;
	padding: 12px;
    }

    .timeline-circle {
	left: 12px;
	width: 12px;
	height: 12px;
	top: 20px;
    }

    .timeline::before {
	left: 12px;
	width: 2px;
    }

    .timeline-content::before {
	left: -15px;
	border-right-width: 8px;
	top: 20px;
    }

    .timeline-content h3 {
	font-size: 1.1rem;
    }

    .timeline-content .time {
	font-size: 0.75rem;
	padding: 4px 10px;
    }

    .timeline-content p {
	font-size: 0.9rem;
    }

    .day-btn {
	padding: 6px 12px;
	font-size: 0.9rem;
	min-width: 100px;
    }

    .header-content h1 {
	font-size: 1.4rem;
    }

    .container {
	width: 98%;
	padding: 0 5px;
    }
}

/* Default (desktop): image left, text right */
.about-content {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.image-container {
    flex: 1;
    order: 1; /* Image first */
    padding: 15px;
}

.text-container {
    flex: 2;
    order: 2; /* Text second */
    text-align: center;
    padding: 15px;
}

/* Mobile: stack vertically with text first */
@media screen and (max-width: 768px) {
    .nav-container {
	display: none;
    }
    .about-content {
	flex-direction: column;
    }

    .image-container {
	order: 2; /* Image second on mobile */
    }

    .text-container {
	order: 1; /* Text first on mobile */
    }
    .menu-toggle {
	padding: 1rem;           /* Increases clickable area */
	cursor: pointer;
	display: inline-block;
    }

    .menu-toggle:hover {
	background-color: rgba(0, 0, 0, 0.05); /* Optional: subtle hover effect */
    }

    /* Optional: use a larger area but keep icon small inside */
    .menu-toggle {
	position: relative;
	width: 48px;   /* hitbox width */
	height: 48px;  /* hitbox height */
	display: flex;
	align-items: center;
	justify-content: center;
    }
}

.speaker-photo {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}


.schedule-item-group {
    display: flex;
    align-items: stretch; /* Make both columns equal height */
    gap: 20px;
    margin-bottom: 30px;
}

/* .schedule-time.tall {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-green));
    color: var(--light-text);
    font-weight: 700;
    font-size: 1.1rem;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(38, 166, 154, 0.2);
} */

.schedule-multi {
    display: flex;
    flex: 1;
    gap: 20px;
}

.schedule-multi .schedule-details {
    flex: 1;
    background: linear-gradient(135deg, white, #f0f8ff);
    padding: 25px;
    border-radius: 15px;
    font-size: 1rem;
    color: var(--dark-text);
    line-height: 1.5;
    box-shadow: 0 5px 20px rgba(30, 136, 229, 0.1);
    border: 1px solid rgba(30, 136, 229, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.schedule-details::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-blue), var(--primary-green));
    transition: width 0.3s ease;
    
}

.schedule-details:hover::before {
    width: 8px;
}

@media (max-width: 768px) {
    .schedule-item-group {
        flex-direction: column;
        align-items: stretch;
        
        
    }
    /* 
    .schedule-time.tall {
        width: 100%;
        min-width: auto;
        border-radius: 15px 15px 0 0;
        margin-bottom: 15px;
    } */

    .schedule-multi {
        flex-direction: column;
    }

    .schedule-multi .schedule-details {
        width: 100%;
    }
}

.speaker-info {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
    margin-top: 3rem;
    /* border-left: 4px solid var(--primary-green); */
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

h67 {
    color: var(--secondary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 800;
    text-align: center;
}

.payment-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.payment-section {
    flex: 1 1 300px;
    max-width: 350px;
    background: #f0f0f0;
    border-radius: 10px;
    border: 1px solid #ccc;
    text-align: center;
    padding: 1rem;
}

.payment-section h3 {
    margin: 0.5rem 0;
    font-size: 1.2rem;
    color: #222;
}

.payment-section p {
    font-size: 0.95rem;
    margin: 0.5rem 0 1rem 0;
    color: #444;
}

.btn-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.razorpay-embed-btn {
    width: 100%;
    height: 100px;
    margin: auto;
}