/* CSS Variables */
:root {
    --primary-color: #EA232B;
    --primary-dark: #C41C23;
    --primary-light: #FF5252;
    --primary-gradient: linear-gradient(135deg, #EA232B 0%, #FF5252 100%);
    --secondary-color: #294F9A;
    --secondary-dark: #1C3A7A;
    --secondary-light: #3A63C7;
    --secondary-gradient: linear-gradient(135deg, #294F9A 0%, #3A63C7 100%);
    --accent-color: #00BFA5;
    --text-dark: #1A1A2E;
    --text-medium: #424242;
    --text-light: #757575;
    --light-bg: #F8F9FF;
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --gray-light: #F0F2F5;
    --border-color: #E8EAED;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-padding: 0 40px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-medium);
    background-color: var(--white);
    overflow-x: hidden;
}

.container-fluid {
    padding: var(--container-padding);
    max-width: 1400px;
    margin: 0 auto;
}
a{
    text-decoration: none;
}
/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
}

/* Top Announcement */
.top-announcement {
    background: linear-gradient(90deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    padding: 10px 0;
    color: var(--white);
}

.announcement-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.announcement-text {
    display: flex;
    align-items: center;
    gap: 10px;
}

.announcement-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    margin-left: 10px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    transition: var(--transition);
}

.announcement-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.announcement-social {
    display: flex;
    gap: 15px;
}

.announcement-social a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition);
}

.announcement-social a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Enhanced Header */
.enhanced-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.enhanced-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
}

/* Logo Area */
.header-logo-area .logo-main {
    display: flex;
    align-items: center;
}
.header-logo-area .logo-main img{
    max-height: 65px;
}

.logo-symbol {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(234, 35, 43, 0.25);
    position: relative;
    overflow: hidden;
}

.logo-symbol::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    animation: shine 3s infinite linear;
}

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

.logo-text-area .logo-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0;
    line-height: 1;
}

.logo-text-area .logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
    margin: 0;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Enhanced Navigation */
.enhanced-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-main {
    display: flex;
    list-style: none;
    gap: 5px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
}

.nav-icon {
    font-size: 16px;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.nav-link:hover,
.nav-item.active .nav-link {
    color: var(--primary-color);
    background: rgba(234, 35, 43, 0.05);
}

.nav-link:hover .nav-icon,
.nav-item.active .nav-icon {
    opacity: 1;
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Enhanced Dropdown */
.dropdown-indicator {
    font-size: 12px;
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-indicator {
    transform: rotate(180deg);
    opacity: 1;
}

.dropdown-menu.enhanced {
    position: absolute;
    top: 100%;
    left: 0;
    width: 400px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1000;
    padding: 25px;
    display: flex;
    gap: 30px;
}

.nav-item:hover .dropdown-menu.enhanced {
    opacity: 1;
    visibility: visible;
    transform: translateY(10px);
}

.dropdown-column {
    flex: 1;
}

.dropdown-column h6 {
    font-size: 14px;
    color: var(--secondary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.dropdown-column a {
    display: block;
    padding: 8px 0;
    color: var(--text-medium);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.dropdown-column a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Enhanced Search */
.search-wrapper {
    position: relative;
}

.search-trigger {
    width: 44px;
    height: 44px;
    background: var(--gray-light);
    border: none;
    border-radius: 50%;
    color: var(--text-light);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-trigger:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.search-expanded {
    position: absolute;
    top: 100%;
    right: 0;
    width: 300px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    display: flex;
    gap: 10px;
}

.search-expanded.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(10px);
}

.search-field {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
}

.search-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(234, 35, 43, 0.1);
}

.search-submit {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-submit:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 10px;
}

.btn-login, .btn-join {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-login {
    background: transparent;
    color: var(--text-medium);
    border: 2px solid var(--border-color);
}

.btn-login:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-join {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(234, 35, 43, 0.25);
}

.btn-join:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(234, 35, 43, 0.35);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.toggle-line {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
    border-radius: 2px;
}

/* Mobile Navigation */
.mobile-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-navigation.active {
    right: 0;
}

.mobile-nav-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-logo .logo-symbol {
    width: 40px;
    height: 40px;
    font-size: 20px;
}

.mobile-logo-text h3 {
    font-size: 20px;
    color: var(--secondary-color);
    margin: 0;
}

.mobile-logo-text p {
    font-size: 11px;
    color: var(--text-light);
    margin: 0;
}

.mobile-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.mobile-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.mobile-nav-body {
    padding: 20px;
}

.mobile-search {
    display: flex;
    margin-bottom: 20px;
}

.mobile-search input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-size: 14px;
}

.mobile-search button {
    padding: 0 15px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
}

.mobile-nav-list {
    list-style: none;
    margin-bottom: 30px;
}

.mobile-nav-list li {
    margin-bottom: 5px;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-medium);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-nav-list a.active,
.mobile-nav-list a:hover {
    background: rgba(234, 35, 43, 0.05);
    color: var(--primary-color);
}

.mobile-nav-list a i {
    width: 20px;
    text-align: center;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Enhanced Hero Section */
.enhanced-hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #F8F9FF 0%, #FFFFFF 50%, #FFF5F5 100%);
    overflow: hidden;
}

/* Animated Background Elements */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.bg-element {
    position: absolute;
    border-radius: 50%;
}

.pulse-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -150px;
    background: radial-gradient(circle, rgba(234, 35, 43, 0.1) 0%, rgba(234, 35, 43, 0) 70%);
    animation: pulse 3s ease-in-out infinite;
}

.pulse-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -100px;
    background: radial-gradient(circle, rgba(41, 79, 154, 0.1) 0%, rgba(41, 79, 154, 0) 70%);
    animation: pulse 3s ease-in-out infinite 1.5s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* Hero Content */
.hero-content {
    max-width: 580px;
}

.hero-badge-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(234, 35, 43, 0.1);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(234, 35, 43, 0.2);
}

.hero-subtitle {
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
}

.hero-headline {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

.headline-part {
    display: block;
}

.headline-part.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.headline-part.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(234, 35, 43, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* Hero Stats Grid */
.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-box {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* Hero Action Buttons */
.hero-action-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(234, 35, 43, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(234, 35, 43, 0.35);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-medium);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-with-icon {
    padding: 12px 24px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.visual-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.conference-highlight {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.highlight-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.highlight-badge {
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.highlight-date {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.conference-highlight h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.conference-highlight p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.highlight-actions {
    display: flex;
    gap: 10px;
}

/* Quick Links */
.quick-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    background: var(--white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-medium);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.quick-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.quick-link i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.quick-link span {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2;
}

.scroll-indicator a {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.scroll-icon {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Enhanced Features Section */
.enhanced-features {
    padding: 80px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
    position: relative;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon-wrapper {
    position: relative;
    margin-bottom: 25px;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 25px rgba(234, 35, 43, 0.25);
}

.icon-bg {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 90px;
    height: 90px;
    background: rgba(234, 35, 43, 0.1);
    border-radius: 25px;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.feature-link:hover {
    gap: 12px;
}

/* Conference Highlight Section */
.conference-highlight-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #F0F5FF 0%, #FFFFFF 100%);
}

.conference-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.conference-details {
    margin: 40px 0;
}

.detail-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.detail-icon {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 20px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.detail-content h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.detail-content p {
    color: var(--text-light);
    margin: 0;
}

.conference-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(41, 79, 154, 0.1);
    color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.feature-tag i {
    font-size: 12px;
}

.conference-cta {
    display: flex;
    gap: 15px;
}

/* Conference Visual */
.visual-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.countdown-timer {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    margin-bottom: 30px;
}

.countdown-timer h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    opacity: 0.9;
}

.countdown-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
    font-family: 'Montserrat', monospace;
}

.countdown-label {
    font-size: 14px;
    opacity: 0.8;
    font-weight: 500;
}

.countdown-separator {
    font-size: 2rem;
    opacity: 0.5;
    margin-top: -15px;
}

.stats-overlay {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-text {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* Enhanced Events Section */
.enhanced-events {
    padding: 80px 0;
    background: var(--white);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.event-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.event-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.event-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.event-card:hover .event-image-container img {
    transform: scale(1.1);
}

.event-status {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.event-content {
    padding: 25px;
}

.event-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.event-meta i {
    margin-right: 5px;
    color: var(--primary-color);
}

.event-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.4;
}

.event-description {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.event-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.event-details {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.event-details i {
    margin-right: 5px;
    color: var(--secondary-color);
}

/* Enhanced Publications Section */
.enhanced-publications {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
}

.publications-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.main-publication .publication-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.publication-card.featured {
    border-color: var(--primary-color);
}

.publication-image {
    position: relative;
    overflow: hidden;
}

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

.publication-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.publication-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
}

.publication-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.volume {
    background: rgba(41, 79, 154, 0.1);
    color: var(--secondary-color);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.date {
    color: var(--text-light);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.publication-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.publication-description {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
    flex: 1;
}

.publication-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    color: var(--text-light);
    font-size: 14px;
}

.publication-stats i {
    margin-right: 5px;
    color: var(--primary-color);
}

.publication-actions {
    display: flex;
    gap: 15px;
}

/* Publication Sidebar */
.publication-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.sidebar-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.sidebar-header h4 {
    font-size: 1.3rem;
    color: var(--text-dark);
}

.publication-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.publication-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-medium);
    transition: var(--transition);
    border: 1px solid transparent;
}

.publication-item:hover {
    border-color: var(--primary-color);
    background: var(--white);
    transform: translateX(5px);
}

.publication-icon {
    width: 40px;
    height: 40px;
    background: rgba(41, 79, 154, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: 18px;
    flex-shrink: 0;
}

.publication-info h5 {
    font-size: 15px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.publication-info p {
    color: var(--text-light);
    font-size: 13px;
    margin: 0;
}

/* Enhanced Membership Section */
.enhanced-membership {
    padding: 80px 0;
    background: var(--white);
}

.membership-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.membership-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.membership-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.membership-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.membership-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(234, 35, 43, 0.25);
}

.membership-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.membership-header h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.membership-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.period {
    font-size: 16px;
    color: var(--text-light);
}

.membership-body {
    flex: 1;
    margin-bottom: 30px;
}

.membership-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.membership-features li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
}

.membership-features li i {
    color: var(--accent-color);
    font-size: 12px;
}

.membership-footer {
    margin-top: auto;
}

/* Enhanced Newsletter Section */
.enhanced-newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
}

.newsletter-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.newsletter-content .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-content .section-title {
    color: var(--white);
    margin-bottom: 20px;
}

.newsletter-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    line-height: 1.8;
}

.newsletter-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.newsletter-features .feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-features .feature i {
    color: var(--accent-color);
}

.newsletter-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.subscribe-form .form-group {
    margin-bottom: 20px;
}

.subscribe-form .form-control {
    width: 100%;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 16px;
    transition: var(--transition);
}

.subscribe-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.subscribe-form .form-control:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.subscribe-form .form-check {
    margin: 20px 0;
}

.subscribe-form .form-check-input {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
}

.subscribe-form .form-check-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.success-message {
    text-align: center;
    padding: 20px;
}

.success-message i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.success-message h4 {
    color: var(--white);
    margin-bottom: 15px;
}

.success-message p {
    color: rgba(255, 255, 255, 0.9);
}

/* Enhanced Footer */
.enhanced-footer {
    background: var(--text-dark);
    color: var(--white);
}

.footer-top {
    padding: 80px 0 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
}

/* Footer Brand */
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    text-decoration: none;
}

.footer-logo .logo-symbol {
    width: 50px;
    height: 50px;
    font-size: 20px;
}

.footer-logo .logo-text-area h3 {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 5px;
}

.footer-logo .tagline {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-about {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Footer Links */
.footer-title {
    font-size: 18px;
    color: var(--white);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

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

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 15px;
}

.footer-menu a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

/* Footer Contact */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 18px;
    margin-top: 3px;
}

.contact-item h5 {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 5px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Footer Newsletter */
.footer-newsletter p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-subscribe {
    display: flex;
}

.footer-subscribe input {
    flex: 1;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--white);
    font-size: 15px;
}

.footer-subscribe input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.footer-subscribe button {
    padding: 0 25px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    transition: var(--transition);
}

.footer-subscribe button:hover {
    background: var(--primary-dark);
}

/* Footer Bottom */
.footer-bottom {
    padding: 30px 0;
}

.bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin: 0;
}

.legal-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.legal-links span {
    color: rgba(255, 255, 255, 0.5);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(234, 35, 43, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(234, 35, 43, 0.4);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-headline {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .container-fluid {
        padding: 0 30px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .enhanced-nav {
        display: none;
    }
    
    .hero-content-wrapper,
    .conference-wrapper,
    .publications-wrapper,
    .newsletter-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .main-publication .publication-card {
        grid-template-columns: 1fr;
    }
    
    .membership-plans {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .membership-card.featured {
        transform: none;
    }
    
    .membership-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .container-fluid {
        padding: 0 20px;
    }
    
    .announcement-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .hero-action-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .quick-links {
        grid-template-columns: 1fr;
    }
    
    .conference-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .countdown-grid {
        flex-direction: column;
        gap: 10px;
    }
    
    .countdown-separator {
        display: none;
    }
    
    .stats-overlay {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-headline {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}