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

:root {
    --primary-cyan: #00d9ff;
    --primary-green: #00ff88;
    --primary-blue: #0099ff;
    --primary-purple: #8b5cf6;
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --card-bg: rgba(15, 23, 42, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --gradient-1: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
    --gradient-2: linear-gradient(135deg, var(--primary-green), var(--primary-cyan));
    --gradient-3: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.top-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--gradient-2);
    padding: 8px 0;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 217, 255, 0.3);
}

.banner-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--dark-bg);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 0 80px;
}

.logo-container {
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

.event-logo {
    max-width: 168px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.3));
    border-radius: 24px;
    animation: logoFloat 3s ease-in-out infinite, logoGlow 2s ease-in-out infinite;
}

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

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.3));
    }
    50% {
        filter: drop-shadow(0 0 60px rgba(0, 217, 255, 0.6)) drop-shadow(0 0 30px rgba(0, 255, 136, 0.4));
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.event-info-cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.info-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 16px;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-cyan);
    box-shadow: 0 8px 32px rgba(0, 217, 255, 0.2);
}

.info-icon {
    font-size: 2rem;
}

.info-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.free-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-2);
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease-out 0.8s both, pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.badge-icon {
    font-size: 1.5rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 22px 52px;
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.primary-cta {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4), 0 0 20px rgba(0, 217, 255, 0.2);
    animation: fadeInUp 1s ease-out 1s both;
    border-color: rgba(0, 217, 255, 0.5);
}

.primary-cta:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 60px rgba(0, 217, 255, 0.6), 0 0 40px rgba(0, 217, 255, 0.4);
    border-color: var(--primary-cyan);
}

.primary-cta:active {
    transform: translateY(-2px) scale(0.98);
}

.primary-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

.primary-cta:hover::before {
    left: 100%;
}

.primary-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-cyan), var(--primary-green));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.primary-cta:hover::after {
    opacity: 1;
}

.button-arrow {
    font-size: 1.5rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

.primary-cta:hover .button-arrow {
    transform: translateX(8px);
    animation: arrowBounce 0.6s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateX(8px); }
    50% { transform: translateX(12px); }
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 64px;
}

.learning-section {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.benefit-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.1);
    border-radius: 20px;
    padding: 40px 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-cyan);
    box-shadow: 0 16px 48px rgba(0, 217, 255, 0.2);
}

.benefit-icon {
    color: var(--primary-cyan);
    margin-bottom: 24px;
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.benefit-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.audience-section {
    background: var(--darker-bg);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.audience-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-green);
    box-shadow: 0 16px 48px rgba(0, 255, 136, 0.2);
}

.audience-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: block;
}

.audience-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.audience-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.speakers-section {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.speaker-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.speaker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.speaker-card:hover::before {
    transform: scaleX(1);
}

.speaker-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-cyan);
    box-shadow: 0 16px 48px rgba(0, 217, 255, 0.3);
}

.speaker-image-placeholder {
    width: 130px;
    height: 130px;
    margin: 0 auto 24px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(0, 217, 255, 0.3);
    transition: all 0.3s ease;
    overflow: hidden;
}

.speaker-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.speaker-card:hover .speaker-image-placeholder {
    transform: scale(1.05);
    border-color: var(--primary-cyan);
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.4);
}

.speaker-icon {
    font-size: 3.5rem;
    filter: brightness(0) invert(1);
}

.speaker-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.speaker-role {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-cyan);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.speaker-bio {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.differential-section {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.differential-content {
    max-width: 900px;
    margin: 0 auto;
}

.differential-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 48px;
    padding: 32px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.differential-item:hover {
    border-color: var(--primary-purple);
    box-shadow: 0 16px 48px rgba(139, 92, 246, 0.2);
}

.differential-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.differential-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.differential-text p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.social-section {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.social-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.social-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.social-icon-large {
    font-size: 5rem;
    margin-bottom: 24px;
}

.social-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 48px;
}

.social-description strong {
    color: var(--primary-green);
    font-weight: 700;
}

.social-impact {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.impact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.impact-icon {
    font-size: 2.5rem;
}

.impact-text {
    font-weight: 600;
    color: var(--text-primary);
}

.details-section {
    background: var(--darker-bg);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.detail-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-cyan);
    box-shadow: 0 12px 32px rgba(0, 217, 255, 0.2);
}

.detail-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.detail-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.detail-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.registration-section {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    padding: 100px 0;
}

.registration-content {
    max-width: 600px;
    margin: 0 auto;
}

.registration-form {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 24px;
    padding: 48px;
    margin-top: 48px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-submit {
    width: 100%;
    margin-top: 32px;
    justify-content: center;
}

.form-disclaimer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 24px;
    line-height: 1.6;
}

.success-message {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-green);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    margin-top: 48px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 800;
    margin: 0 auto 24px;
    color: white;
}

.success-message h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--primary-green);
}

.success-message p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.whatsapp-group-btn {
    margin-top: 24px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.4), 0 0 20px rgba(37, 211, 102, 0.2);
    border-color: rgba(37, 211, 102, 0.5);
}

.whatsapp-group-btn:hover {
    box-shadow: 0 16px 60px rgba(37, 211, 102, 0.6), 0 0 40px rgba(37, 211, 102, 0.4);
    border-color: #25D366;
}

.footer {
    background: var(--darker-bg);
    padding: 48px 0;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
}

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

.footer-logo-img {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin-bottom: 24px;
    opacity: 0.8;
}

.footer-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-section {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 20px;
    }
    
    .event-logo {
        max-width: 132px;
    }
    
    .logo-container {
        margin-bottom: 32px;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: 36px;
    }
    
    .event-info-cards {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .info-card {
        justify-content: flex-start;
        padding: 16px 20px;
    }
    
    .free-badge {
        font-size: 1rem;
        padding: 14px 28px;
        margin-bottom: 28px;
    }
    
    .section-title {
        font-size: 1.875rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 48px;
    }
    
    .benefits-grid,
    .audience-grid,
    .details-grid,
    .speakers-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .speaker-card {
        padding: 32px 24px;
    }
    
    .speaker-image-placeholder {
        width: 100px;
        height: 100px;
    }
    
    .speaker-icon {
        font-size: 3rem;
    }
    
    .benefit-card,
    .audience-card,
    .detail-card {
        padding: 32px 24px;
    }
    
    .differential-item {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
        gap: 20px;
    }
    
    .differential-number {
        font-size: 2.5rem;
    }
    
    .registration-form {
        padding: 32px 24px;
    }
    
    .cta-button {
        padding: 18px 36px;
        font-size: 1rem;
        width: 100%;
        max-width: 400px;
    }
    
    .social-description {
        font-size: 1.125rem;
    }
    
    .social-impact {
        gap: 24px;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-section {
        padding: 80px 0 50px;
    }
    
    .hero-title {
        font-size: 1.625rem;
        line-height: 1.35;
        margin-bottom: 16px;
    }
    
    .event-logo {
        max-width: 108px;
    }
    
    .logo-container {
        margin-bottom: 28px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }
    
    .info-card {
        padding: 14px 18px;
    }
    
    .info-icon {
        font-size: 1.5rem;
    }
    
    .info-label {
        font-size: 0.75rem;
    }
    
    .info-value {
        font-size: 1rem;
    }
    
    .free-badge {
        font-size: 0.875rem;
        padding: 12px 20px;
        margin-bottom: 24px;
    }
    
    .badge-icon {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.625rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 0.9375rem;
        margin-bottom: 40px;
    }
    
    .benefits-grid,
    .audience-grid,
    .details-grid,
    .speakers-grid {
        gap: 20px;
    }
    
    .speaker-card {
        padding: 28px 20px;
    }
    
    .speaker-image-placeholder {
        width: 90px;
        height: 90px;
    }
    
    .speaker-icon {
        font-size: 2.5rem;
    }
    
    .speaker-name {
        font-size: 1.25rem;
    }
    
    .speaker-role {
        font-size: 0.875rem;
    }
    
    .speaker-bio {
        font-size: 0.875rem;
    }
    
    .benefit-card,
    .audience-card,
    .detail-card {
        padding: 28px 20px;
    }
    
    .benefit-icon,
    .detail-icon {
        font-size: 2rem;
    }
    
    .benefit-title,
    .audience-title {
        font-size: 1.25rem;
    }
    
    .differential-item {
        padding: 20px 16px;
        margin-bottom: 32px;
    }
    
    .differential-number {
        font-size: 2rem;
    }
    
    .differential-text h3 {
        font-size: 1.25rem;
    }
    
    .social-icon-large {
        font-size: 4rem;
    }
    
    .social-description {
        font-size: 1rem;
    }
    
    .impact-icon {
        font-size: 2rem;
    }
    
    .registration-form {
        padding: 28px 20px;
    }
    
    .form-input {
        padding: 14px 18px;
        font-size: 0.9375rem;
    }
    
    .cta-button {
        padding: 16px 28px;
        font-size: 0.9375rem;
        width: 100%;
    }
    
    .form-disclaimer {
        font-size: 0.8125rem;
    }
    
    .success-message {
        padding: 36px 24px;
    }
    
    .success-icon {
        width: 64px;
        height: 64px;
        font-size: 2.5rem;
    }
    
    .success-message h3 {
        font-size: 1.5rem;
    }
    
    .success-message p {
        font-size: 1rem;
    }
    
    section {
        padding: 50px 0;
    }
}