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

:root {
    --primary-color: #1a472a;
    --secondary-color: #2d6e45;
    --accent-color: #4a9960;
    --dark-color: #0f2419;
    --light-color: #f5f9f7;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --gradient-primary: linear-gradient(135deg, #1a472a 0%, #2d6e45 100%);
    --gradient-secondary: linear-gradient(135deg, #4a9960 0%, #2d6e45 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Announcement Banner */
.announcement-banner {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 15px 0;
    text-align: center;
    position: relative;
    animation: slideDown 0.5s ease-out;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.announcement-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.announcement-banner p {
    margin: 0;
    font-size: 15px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.announcement-banner i {
    margin-right: 8px;
    animation: pulse 2s infinite;
    font-size: 18px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.flashy-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: flashyPulse 2s infinite;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.flashy-date:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.flashy-date strong {
    color: #ffd700;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.flashy-date strong::after {
    content: ' 🔥';
    animation: firePulse 1s infinite;
}

@keyframes flashyPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2),
                    0 0 0 0 rgba(255, 215, 0, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3),
                    0 0 20px 5px rgba(255, 215, 0, 0.6);
        border-color: rgba(255, 215, 0, 0.6);
    }
}

@keyframes firePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.separator {
    font-size: 20px;
    color: #ffd700;
    font-weight: bold;
    animation: spin 3s linear infinite;
}

@keyframes spin {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

@media (max-width: 640px) {
    .announcement-banner p {
        flex-direction: column;
        gap: 10px;
        font-size: 13px;
    }
    
    .flashy-date {
        padding: 6px 15px;
        font-size: 13px;
        width: 100%;
        justify-content: center;
    }
    
    .separator {
        display: none;
    }
}

.close-banner {
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 18px;
    padding: 5px 10px;
    transition: var(--transition);
}

.close-banner:hover {
    transform: rotate(90deg);
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.brand-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-link {
    display: block;
    padding: 10px 15px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: var(--light-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a472a 0%, #2d6e45 50%, #4a9960 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, 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: float 20s infinite alternate;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--white);
    padding: 40px 20px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge i {
    margin-right: 8px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 30px;
    animation: fadeInUp 1.2s ease-out;
}

.conference-code {
    color: #ffd700;
}

.hero-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    animation: fadeInUp 1.4s ease-out;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.detail-item i {
    font-size: 20px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 1.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn i {
    position: relative;
    z-index: 1;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 6px;
    height: 10px;
    background: var(--white);
    border-radius: 3px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 10px; }
    100% { opacity: 0; top: 30px; }
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-description {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Flashy Deadline Alert Section */
.deadline-alert-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #ffd700 0%, #ff6b6b 100%);
    position: relative;
    overflow: hidden;
}

.deadline-alert-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.3) 0%, transparent 50%);
    animation: float 15s infinite alternate;
}

.deadline-alert {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    animation: pulseAlert 3s infinite;
}

@keyframes pulseAlert {
    0%, 100% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                    0 0 0 0 rgba(255, 107, 107, 0);
    }
    50% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                    0 0 0 20px rgba(255, 107, 107, 0.3);
    }
}

.alert-icon {
    text-align: center;
    margin-bottom: 20px;
}

.alert-icon i {
    font-size: 60px;
    color: #ff6b6b;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.alert-content h2 {
    text-align: center;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
    font-weight: 700;
}

.deadline-dates {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 25px;
}

.deadline-item {
    background: linear-gradient(135deg, #1a472a 0%, #2d6e45 100%);
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: flashyGlow 2s infinite;
}

.deadline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: sweep 3s infinite;
}

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

@keyframes flashyGlow {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2),
                    0 0 0 0 rgba(255, 215, 0, 0);
    }
    50% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2),
                    0 0 30px 10px rgba(255, 215, 0, 0.5);
    }
}

.deadline-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.deadline-item i {
    font-size: 40px;
    color: #ffd700;
    min-width: 50px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.deadline-item > div:first-of-type {
    flex: 1;
}

.deadline-item strong {
    display: block;
    color: #ffd700;
    font-size: 16px;
    margin-bottom: 5px;
    font-weight: 700;
}

.deadline-date {
    display: block;
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.countdown {
    font-size: 14px;
    color: #ffd700;
    font-weight: 600;
    text-align: center;
    padding: 5px 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    animation: countdownPulse 1s infinite;
}

@keyframes countdownPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.alert-message {
    text-align: center;
    font-size: 20px;
    color: var(--text-dark);
    font-weight: 600;
    margin: 0;
    padding: 15px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
    border-radius: 10px;
    animation: messageSlide 3s infinite;
}

@keyframes messageSlide {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@media (max-width: 640px) {
    .deadline-alert {
        padding: 25px 15px;
    }
    
    .alert-content h2 {
        font-size: 1.8rem;
    }
    
    .deadline-dates {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .deadline-item {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }
    
    .deadline-item i {
        font-size: 35px;
    }
    
    .deadline-date {
        font-size: 18px;
    }
    
    .alert-icon i {
        font-size: 45px;
    }
    
    .alert-message {
        font-size: 16px;
    }
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-text {
    line-height: 1.8;
}

.about-text .lead {
    font-size: 20px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-dark);
}

.feature-list {
    list-style: none;
    margin: 30px 0;
}

.feature-list li {
    padding: 12px 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-list i {
    color: var(--accent-color);
    font-size: 20px;
}

.info-box {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    margin-top: 30px;
}

.info-box p {
    margin: 0;
    font-style: italic;
    color: var(--text-dark);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.stat-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    color: var(--text-light);
    margin: 0;
}

/* Scope Section */
.scope-section {
    background: var(--white);
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.scope-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.scope-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.scope-card:hover .scope-icon {
    transform: rotate(360deg);
}

.scope-icon i {
    font-size: 35px;
    color: var(--white);
}

.scope-card h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.scope-card p {
    color: var(--text-light);
    font-size: 14px;
    margin: 0;
}

/* Dates Section */
.dates-section {
    background: var(--light-color);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    padding-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
    padding-left: 40px;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    box-shadow: 0 0 0 8px var(--light-color);
    transition: var(--transition);
}

.timeline-item:hover .timeline-icon {
    transform: translateX(-50%) scale(1.2);
}

.timeline-icon i {
    font-size: 24px;
    color: var(--white);
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 20px;
}

.timeline-date {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 16px;
    margin: 0;
}

.timeline-item.highlight .timeline-content {
    background: var(--gradient-primary);
    color: var(--white);
}

.timeline-item.highlight .timeline-content h3 {
    color: var(--white);
}

.timeline-item.highlight .timeline-date {
    color: #ffd700;
}

/* Registration Section */
.registration-section {
    background: var(--white);
}

.registration-toggle {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.toggle-btn {
    padding: 12px 30px;
    background: var(--light-color);
    color: var(--text-dark);
    border: 2px solid transparent;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
}

.toggle-btn:hover:not(.active) {
    border-color: var(--primary-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.pricing-grid.hidden {
    display: none;
}

.pricing-card {
    background: var(--light-color);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

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

.pricing-card.featured {
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pricing-icon i {
    font-size: 35px;
    color: var(--white);
}

.pricing-card h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.price {
    margin: 25px 0;
}

.currency {
    font-size: 24px;
    color: var(--text-light);
    vertical-align: super;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-features {
    list-style: none;
    margin: 25px 0;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    color: var(--text-dark);
    display: flex;
    align-items: start;
    gap: 10px;
    font-size: 14px;
}

.pricing-features i {
    color: var(--accent-color);
    margin-top: 3px;
    flex-shrink: 0;
}

.additional-fees,
.industrial-delegate {
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.additional-fees h3,
.industrial-delegate h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.fee-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fee-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
}

.benefits-note {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 30px;
    border-radius: 15px;
    display: flex;
    gap: 20px;
    align-items: start;
}

.note-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.note-icon i {
    font-size: 30px;
}

.note-content h4 {
    margin-bottom: 10px;
    font-size: 20px;
}

.note-content p {
    margin: 0;
    line-height: 1.8;
}

/* Submission Section */
.submission-section {
    background: var(--light-color);
}

.submission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.submission-info h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.guideline-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.guideline-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.guideline-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

.guideline-item h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.guideline-item p {
    color: var(--text-light);
    margin: 0;
}

.submission-button-container {
    margin-top: 30px;
}

.submission-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.submission-form h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-form label i {
    color: var(--primary-color);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.char-count {
    display: block;
    text-align: right;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 5px;
}

/* Committee Section */
.committee-section {
    background: var(--white);
}

.committee-category {
    margin-bottom: 50px;
}

.committee-category h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.committee-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

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

.committee-avatar {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.committee-avatar i {
    font-size: 50px;
    color: var(--white);
}

.committee-card h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.committee-role {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 5px;
}

.committee-org {
    color: var(--text-light);
    font-size: 14px;
}

/* Venue Section */
.venue-section {
    background: var(--light-color);
}

.venue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.venue-info h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.venue-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.venue-location {
    color: var(--text-light);
    margin-bottom: 30px;
}

.venue-feature {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.venue-feature i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

.venue-feature h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.venue-feature p {
    color: var(--text-light);
    margin: 0;
}

.venue-map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.venue-map iframe {
    display: block;
}

/* Contact Section */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-card {
    background: var(--light-color);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 35px;
    color: var(--white);
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-card p {
    color: var(--text-dark);
    margin: 5px 0;
}

.contact-card a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.payment-info {
    background: var(--light-color);
    padding: 40px;
    border-radius: 15px;
}

.payment-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.payment-note {
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 500;
}

.payment-details {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
}

.payment-item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
}

.payment-item:last-child {
    border-bottom: none;
}

.payment-item strong {
    min-width: 180px;
    color: var(--primary-color);
    font-weight: 600;
}

.payment-item span {
    color: var(--text-dark);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

.scroll-top.visible {
    display: flex;
}

/* Responsive Design */
@media (max-width: 968px) {
    .container {
        padding: 0 15px;
    }

    .nav-toggle {
        display: flex;
        min-width: 44px;
        min-height: 44px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        flex-direction: column;
        padding: 30px 20px;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 15px 20px;
        font-size: 16px;
        border-bottom: 1px solid #f0f0f0;
        min-height: 48px;
    }

    .hero {
        min-height: 100vh;
        padding: 80px 0 40px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-details {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .detail-item {
        justify-content: center;
        padding: 15px 20px;
        font-size: 14px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }

    .about-content,
    .submission-content,
    .venue-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-card {
        padding: 25px 20px;
    }

    .scope-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .scope-card {
        padding: 25px 20px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }

    .timeline-icon {
        left: 20px;
        transform: none;
        width: 50px;
        height: 50px;
    }

    .timeline-icon i {
        font-size: 20px;
    }

    .timeline-item:hover .timeline-icon {
        transform: scale(1.2);
    }

    .timeline-item .timeline-content {
        text-align: left !important;
        padding: 20px !important;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .pricing-card {
        padding: 35px 25px;
    }

    .registration-toggle {
        flex-direction: column;
        gap: 10px;
    }

    .toggle-btn {
        width: 100%;
        min-height: 48px;
    }

    .committee-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .fee-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .announcement-banner p {
        font-size: 13px;
        padding-right: 40px;
        gap: 8px;
    }
    
    .flashy-date {
        padding: 6px 15px;
        font-size: 12px;
    }
    
    .separator {
        font-size: 14px;
    }

    .close-banner {
        min-width: 44px;
        min-height: 44px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 15px;
    }

    .brand-text {
        font-size: 18px;
    }

    .logo {
        width: 40px;
        height: 40px;
    }

    .hero {
        min-height: auto;
        padding: 60px 0 30px;
    }

    .hero-content {
        padding: 20px 15px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 8px 20px;
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 1.75rem;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .detail-item {
        font-size: 13px;
        padding: 12px 15px;
    }

    .detail-item i {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        padding: 14px 25px;
        font-size: 15px;
    }

    .scroll-indicator {
        display: none;
    }

    .section {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 35px;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 12px;
    }

    .section-description {
        font-size: 15px;
    }

    .about-text .lead {
        font-size: 17px;
    }

    .about-text p {
        font-size: 15px;
    }

    .feature-list li {
        font-size: 14px;
        padding: 10px 0;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-card {
        padding: 25px;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    .scope-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .scope-card {
        padding: 25px 20px;
    }

    .scope-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 15px;
    }

    .scope-icon i {
        font-size: 30px;
    }

    .scope-card h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .scope-card p {
        font-size: 13px;
    }

    .timeline-content h3 {
        font-size: 16px;
    }

    .timeline-date {
        font-size: 14px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .pricing-card h3 {
        font-size: 18px;
    }

    .amount {
        font-size: 2.5rem;
    }

    .pricing-features li {
        font-size: 13px;
    }

    .additional-fees,
    .industrial-delegate {
        padding: 25px 20px;
    }

    .fee-grid {
        grid-template-columns: 1fr;
    }

    .benefits-note {
        flex-direction: column;
        padding: 25px 20px;
        gap: 15px;
    }

    .submission-form {
        padding: 30px 20px;
    }

    .guideline-item {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
    }

    .committee-grid {
        grid-template-columns: 1fr;
    }

    .committee-card {
        padding: 25px 20px;
    }

    .venue-feature {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 30px 20px;
    }

    .payment-info {
        padding: 30px 20px;
    }

    .payment-details {
        padding: 20px 15px;
    }

    .payment-item {
        flex-direction: column;
        gap: 5px;
        text-align: left;
    }

    .payment-item strong {
        min-width: auto;
    }

    .footer {
        padding: 40px 0 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }

    .footer-section ul {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 18px;
    }

    /* Improve form inputs for mobile */
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 14px 15px;
    }
}

/* Extra small devices */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .brand-text {
        font-size: 16px;
    }

    .detail-item span {
        font-size: 12px;
    }
}

/* Tablet landscape specific */
@media (min-width: 641px) and (max-width: 968px) {
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .scope-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .committee-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile-specific touch optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Better touch targets */
    .btn,
    button,
    .nav-link,
    a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Remove hover effects on touch devices */
    .scope-card:hover,
    .pricing-card:hover,
    .committee-card:hover,
    .contact-card:hover {
        transform: none;
    }
    
    /* Active states for touch */
    .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .scope-card:active,
    .pricing-card:active {
        transform: scale(0.98);
    }
    
    /* Improve tap highlight color */
    * {
        -webkit-tap-highlight-color: rgba(26, 71, 42, 0.1);
    }
    
    /* Disable selection on interactive elements */
    .btn,
    button,
    .nav-link {
        -webkit-user-select: none;
        user-select: none;
    }
}

/* Focus styles for accessibility */
.form-group.focused input,
.form-group.focused select,
.form-group.focused textarea {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(26, 71, 42, 0.15);
}

/* Smooth scroll for all browsers */
html {
    scroll-behavior: smooth;
}

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Optimize for mobile performance */
@media (max-width: 968px) {
    * {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Reduce motion for better performance */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
}

/* Safe area insets for notched devices */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .navbar {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    
    .footer {
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
}

/* Loading skeleton for images */
img {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

img[src] {
    animation: none;
    background: none;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Better text rendering on mobile */
@media (max-width: 640px) {
    body {
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
    }
}

/* Prevent zoom on input focus (iOS) */
@media (max-width: 640px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Full-screen mobile menu overlay */
@media (max-width: 968px) {
    .nav-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        animation: fadeIn 0.3s ease;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* AOS Animation Fallback */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}