/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', Arial, sans-serif;
}

:root {
    --primary: #ee4a62;
    --primary-dark: #d73a50;
    --secondary: #1EB980;
    --secondary-dark: #18a26f;
    --dark: #333;
    --light: #f5f5f5;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

section {
    padding: 80px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title p {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.section-heading {
    font-size: 2rem;
    font-weight: 600;
    color: var(--dark);
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-description {
    font-size: 1rem;
    color: var(--gray);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.section-divider {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.divider-decoration {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.section-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ===== Announcement Banner ===== */
.announcement-container {
    width: 100%;
    background-color: var(--primary);
    padding: 10px 0;
    position: relative;
    overflow: hidden;
    height: 40px;
    z-index: 1000;
}

.announcement-text {
    color: var(--white);
    font-weight: 500;
    white-space: nowrap;
    position: absolute;
    animation: scroll-left 20s linear infinite;
    font-size: 1rem;
    line-height: 20px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes scroll-left {
    0% { left: 100%; }
    100% { left: -100%; }
}

/* ===== Navigation ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--white);
    padding: 12px 20px;
    border-radius: 40px;
    box-shadow: var(--shadow);
    max-width: 1120px;
    width: 90%;
    margin: 20px auto;
    position: relative;
    z-index: 5;
    height: 65px;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-item {
    display: flex;
    align-items: center;
    color: var(--dark);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 50px;
    transition: var(--transition);
}

.nav-item i {
    margin-right: 6px;
}

.nav-item:hover {
    background-color: #ffdddd;
    color: var(--primary);
}

.cta-button {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    font-size: 1rem;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* Mobile menu styles */
@media (max-width: 768px) {
    .navbar {
        padding: 15px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        width: 100%;
        padding: 20px;
        border-radius: 0 0 20px 20px;
        box-shadow: var(--shadow);
        display: none;
        margin-top: 10px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-item {
        width: 100%;
        padding: 12px;
        justify-content: center;
    }
}

/* ===== Main Content ===== */
.main-content {
    width: 100%;
    background-image: linear-gradient(rgba(26, 8, 38, 0.8), rgba(26, 8, 38, 0.8)), url('https://www.vidyavision.com/CollegeUploads/Photos/2019-06-3-16-56-55_Screenshot%20(103).png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 80px 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 30px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    z-index: 2;
}

.left-content {
    width: 100%;
    color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.right-content {
    width: 30%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.left-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.left-content h1 .highlight {
    color: var(--primary);
}

.left-content h1 .subtitle {
    font-weight: 400;
    font-size: 2.2rem;
}

.left-content p {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.9;
}

.buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: none;
    outline: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-dark {
    background-color: var(--white);
    color: var(--primary);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-dark:hover {
    background-color: #e68484;
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.arrow-icon, .play-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
}

.social-proof {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar-stack {
    display: flex;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--white);
    overflow: hidden;
    margin-right: -15px;
    background-color: #dfe6e9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.customers-count {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
}

.dashboard-image {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    overflow: hidden;
}

.dashboard-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.dashboard-image:hover img {
    transform: scale(1.05);
}

/* ===== About Section ===== */
.about {
    background-color: var(--white);
}

/* ===== Committee Members ===== */
.advisory-committee {
    background-color: var(--light);
}

.committee-members {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
}

.committee-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 220px;
    transition: var(--transition);
}

.committee-member:hover {
    transform: translateY(-10px);
}

.member-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 15px;
    border: 5px solid var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.committee-member:hover .member-avatar {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-name {
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.member-role {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== Invited Speakers ===== */
.invited-speakers {
    background-color: var(--white);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.speaker-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    padding: 20px;
}

.speaker-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.speaker-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 15px;
    border: 4px solid var(--light-gray);
    transition: var(--transition);
}

.speaker-card:hover .speaker-image {
    transform: scale(1.1);
    border-color: var(--primary);
}

.speaker-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
}

/* ===== Important Dates ===== */
.important-dates {
    background-color: var(--light);
}

.dates-header {
    margin-bottom: 40px;
}

.dates-category {
    color: var(--secondary);
    font-size: 1rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.dates-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.date-item {
    background-color: var(--white);
    border-radius: 10px;
    padding: 25px;
    transition: var(--transition);
    box-shadow: var(--shadow);
    height: 100%;
}

.date-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-label {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: block;
    font-weight: 500;
}

.date-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
    line-height: 1.3;
}

.date-description {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.date-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.date-tag {
    display: flex;
    align-items: center;
    color: var(--dark);
    font-size: 0.9rem;
}

.date-tag i {
    margin-right: 8px;
    color: var(--primary);
}

/* ===== Organizing Conveners ===== */
.organizing-conveners {
    background-color: var(--white);
}

.organizers-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.organizer {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.organizer:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.organizer-image {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 5px solid var(--light-gray);
    transition: var(--transition);
}

.organizer:hover .organizer-image {
    border-color: var(--primary);
}

.organizer-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.organizer-title {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 500;
}

.organizer-institution {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.4;
}

/* ===== Footer ===== */
.footer {
    background: #1a1a1a;
    color: var(--light);
    padding: 4rem 0 1.5rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), #f1c40f, #e74c3c);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.footer-info {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 1.2rem;
}

.footer-logo h2 {
    color: var(--white);
    font-weight: 700;
    font-size: 1.8rem;
    position: relative;
    display: inline-block;
}

.footer-logo h2 span {
    color: var(--primary);
}

.footer-logo h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--white);
    margin-top: 5px;
}

.footer p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer h3 {
    color: var(--white);
    margin-bottom: 1.2rem;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
    font-weight: 600;
}

.footer h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-icon {
    margin-right: 0.8rem;
    background: rgba(238, 74, 98, 0.2);
    color: var(--primary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-text a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.contact-text a:hover {
    color: var(--primary);
}

.social-icons {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-icons a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.newsletter {
    margin-top: 2rem;
}

.newsletter form {
    display: flex;
    max-width: 400px;
    margin-top: 1rem;
}

.newsletter input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 4px 0 0 4px;
    outline: none;
}

.newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter button {
    background: var(--white);
    color: var(--primary);
    border: none;
    padding: 0 1.2rem;
    font-weight: 600;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter button:hover {
    background: var(--light-gray);
}

.footer-bottom {
    width: 100%;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom strong {
    color: var(--secondary);
    font-weight: 600;
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .container {
        padding: 20px;
    }
    
    .left-content h1 {
        font-size: 2.5rem;
    }
    
    .left-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 992px) {
    .navbar {
        width: 95%;
    }
    
    .container {
        flex-direction: column;
        gap: 50px;
    }
    
    .left-content, .right-content {
        width: 100%;
        text-align: center;
    }
    
    .left-content {
        align-items: center;
    }
    
    .dashboard-image {
        margin: 0 auto;
    }
    
    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .section-title p {
        font-size: 2rem;
    }
    
    .section-heading {
        font-size: 1.8rem;
    }
    
    .navbar {
        padding: 12px 15px;
        width: 95%;
    }
    
    .left-content h1 {
        font-size: 2.2rem;
    }
    
    .left-content p {
        font-size: 1rem;
    }
    
    .buttons {
        flex-direction: row;
        gap: 15px;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .committee-members, .speakers-grid, .organizers-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .navbar {
        border-radius: 20px;
        height: auto;
        padding: 10px;
    }
    
    .cta-button {
        margin-left: auto;
    }
    
    .left-content h1 {
        font-size: 1.8rem;
    }
    
    .left-content h1 .subtitle {
        font-size: 1.5rem;
    }
    
    .left-content p {
        font-size: 0.9rem;
    }
    
    .dates-container {
        grid-template-columns: 1fr;
    }
    
    .footer {
        padding: 3rem 0 1rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .newsletter form {
        max-width: 100%;
    }
}