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

:root {
    --primary-color: #0052FF;
    --secondary-color: #00D4FF;
    --accent-color: #00FF88;
    --dark-color: #1a1a1a;
    --light-color: #f5f5f5;
    --text-color: #333;
    --border-color: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: #ffffff;
}

/* Users Only Banner - Infinite Scroll */
.users-only-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 12px 0;
    z-index: 1000;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.users-only-track {
    display: inline-flex;
    gap: 3rem;
    white-space: nowrap;
    animation: scroll-banner 30s linear infinite;
    will-change: transform;
}

.users-only-track span {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: inline-block;
    flex-shrink: 0;
}

@keyframes scroll-banner {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

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

@media (min-width: 1400px) {
    .container {
        padding: 0 60px;
    }
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #0052FF 0%, #00D4FF 50%, #00FF88 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg-cards {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-card {
    position: absolute;
    width: 300px;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    opacity: 0.80;
    transition: opacity 0.3s ease;
}

.hero-card:hover {
    opacity: 0.9;
}

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

.hero-card-1 {
    top: 10%;
    left: 5%;
    transform: rotate(-15deg) scale(0.9);
    animation: float-card-1 6s ease-in-out infinite;
}

.hero-card-2 {
    bottom: 10%;
    right: 5%;
    transform: rotate(15deg) scale(0.9);
    animation: float-card-2 6s ease-in-out infinite;
}

@keyframes float-card-1 {
    0%, 100% {
        transform: rotate(-15deg) scale(0.9) translateY(0);
    }
    50% {
        transform: rotate(-15deg) scale(0.9) translateY(-20px);
    }
}

@keyframes float-card-2 {
    0%, 100% {
        transform: rotate(15deg) scale(0.9) translateY(0);
    }
    50% {
        transform: rotate(15deg) scale(0.9) translateY(20px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-title .highlight {
    color: #00FF88;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.hero-date {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.date, .time {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}


/* Buttons */
.btn-primary {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: #f0f0f0;
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.3rem;
}

.btn-tickets {
    position: relative;
    z-index: 2;
}

/* Ticket Info */
.ticket-info {
    margin-top: 2rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.ticket-price,
.ticket-seats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.ticket-price-label,
.ticket-seats-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ticket-price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.ticket-seats-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

/* Countdown Timer */
.countdown-timer {
    margin: 2.5rem 0;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timer-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.timer-units {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.timer-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    line-height: 1;
    min-width: 60px;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.timer-label-unit {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.timer-separator {
    font-size: 2rem;
    font-weight: 700;
    color: #00FF88;
    margin: 0 0.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

@media (max-width: 768px) {
    .timer-units {
        gap: 0.5rem;
    }

    .timer-value {
        font-size: 2rem;
        min-width: 50px;
        padding: 0.6rem 1rem;
    }

    .timer-label-unit {
        font-size: 0.65rem;
    }

    .timer-separator {
        font-size: 1.5rem;
        margin: 0 0.25rem;
    }
}

@media (max-width: 480px) {
    .timer-units {
        gap: 0.3rem;
    }

    .timer-value {
        font-size: 1.5rem;
        min-width: 45px;
        padding: 0.5rem 0.8rem;
    }

    .timer-label-unit {
        font-size: 0.6rem;
    }

    .timer-separator {
        font-size: 1.2rem;
    }
}

/* About Section */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f8ff 100%);
}

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

.about-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--text-color);
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-text .highlight-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 82, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
}

/* Gallery Section */
.gallery {
    padding: 100px 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    aspect-ratio: 1;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Conference Info Section */
.conference-info {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
    font-weight: 700;
}

.info-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.info-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    text-align: left;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    width: 100%;
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 82, 255, 0.15);
    border-color: var(--primary-color);
}

.info-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    color: var(--primary-color);
    width: 80px;
    height: 80px;
    margin: 0 0 1.5rem 0;
}

.info-icon svg {
    width: 100%;
    height: 100%;
}

.info-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 700;
    text-align: left;
}

.info-card p {
    color: #666;
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.info-subtitle {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.info-description {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.info-list {
    margin-top: 1rem;
    text-align: left;
}

.info-list p {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.info-list ul {
    list-style: none;
    padding-left: 0;
    margin: 0.5rem 0 1rem 0;
}

.info-list ul li {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.info-list ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.info-note {
    color: var(--dark-color);
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 82, 255, 0.1);
}

/* Speakers Section */
.speakers-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.speaker-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.speaker-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.speaker-photo {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: linear-gradient(135deg, #0052FF 0%, #00D4FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.speaker-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.speaker-secret .speaker-photo {
    background: linear-gradient(135deg, #0052FF 0%, #00D4FF 50%, #00FF88 100%);
}

.secret-speaker-icon {
    font-size: 6rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

.speaker-info {
    padding: 2rem 1.5rem;
}

.speaker-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin: 0 0 0.5rem 0;
}

.speaker-title {
    font-size: 1rem;
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* Location Section */
.location-section {
    padding: 100px 0;
    background: white;
}

.location-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2.5rem;
}

.location-address {
    text-align: center;
    margin-bottom: 2.5rem;
}

.location-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.location-street {
    font-size: 1.2rem;
    color: #666;
    margin: 0;
}

.location-map {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.location-map-iframe {
    width: 100%;
    height: 450px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.location-link {
    text-align: center;
    margin-top: 2rem;
}

.location-link .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.location-link .btn-secondary svg {
    width: 16px;
    height: 16px;
}

.location-link .btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 82, 255, 0.2);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0041cc 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

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

.cta-section .btn-primary:hover {
    background: #f0f0f0;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }

    .hero-date {
        flex-direction: column;
        gap: 1rem;
        font-size: 1.2rem;
    }

    .ticket-info {
        margin-top: 1.5rem;
        gap: 1.5rem;
        flex-direction: column;
    }

    .ticket-price-label,
    .ticket-seats-label {
        font-size: 0.8rem;
    }

    .ticket-price-value {
        font-size: 1.2rem;
    }

    .ticket-seats-value {
        font-size: 1rem;
    }

    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .speaker-photo {
        height: 300px;
    }

    .speaker-photo img {
        object-position: center top;
    }

    .secret-speaker-icon {
        font-size: 4rem;
    }

    .location-name {
        font-size: 1.2rem;
    }

    .location-street {
        font-size: 1rem;
    }

    .hero-card {
        width: 200px;
        height: 280px;
    }

    .hero-card-1 {
        top: 15%;
        left: 2%;
    }

    .hero-card-2 {
        bottom: 15%;
        right: 2%;
    }

    .about {
        padding: 60px 0;
    }

    .about-text {
        font-size: 1rem;
    }

    .about-text .highlight-text {
        font-size: 1.2rem;
        padding: 1.5rem;
    }

    .gallery {
        padding: 60px 0;
    }

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

    .conference-info {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .info-grid {
        gap: 2rem;
    }

    .info-card {
        padding: 2rem 1.5rem;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .date, .time {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .hero-card {
        width: 150px;
        height: 200px;
        opacity: 0.2;
    }

    .btn-primary {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .btn-large {
        padding: 16px 40px;
        font-size: 1.1rem;
    }

    .ticket-price-label,
    .ticket-seats-label {
        font-size: 0.75rem;
    }

    .ticket-price-value {
        font-size: 1.1rem;
    }

    .ticket-seats-value {
        font-size: 0.9rem;
    }

    .speakers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .speaker-photo {
        height: 320px;
    }

    .speaker-photo img {
        object-position: center top;
    }

    .secret-speaker-icon {
        font-size: 4rem;
    }

    .location-name {
        font-size: 1.1rem;
    }

    .location-street {
        font-size: 0.9rem;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }
}