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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #0a1628;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Зеленые монетки на фоне - всего 3 монетки */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Ccircle cx='20' cy='20' r='18' fill='%2300ff88' opacity='0.15'/%3E%3Ccircle cx='20' cy='20' r='15' fill='none' stroke='%2300ff88' stroke-width='2' opacity='0.3'/%3E%3Ctext x='20' y='26' text-anchor='middle' font-family='Arial' font-size='16' font-weight='bold' fill='%230a1628'%3E₽%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='35' height='35' viewBox='0 0 35 35'%3E%3Ccircle cx='17.5' cy='17.5' r='16' fill='%2300ff88' opacity='0.12'/%3E%3Ccircle cx='17.5' cy='17.5' r='13' fill='none' stroke='%2300ff88' stroke-width='1.5' opacity='0.25'/%3E%3Ctext x='17.5' y='22' text-anchor='middle' font-family='Arial' font-size='14' font-weight='bold' fill='%230a1628'%3E₽%3C/text%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Ccircle cx='15' cy='15' r='14' fill='%2300ff88' opacity='0.1'/%3E%3Ccircle cx='15' cy='15' r='11' fill='none' stroke='%2300ff88' stroke-width='1' opacity='0.2'/%3E%3Ctext x='15' y='19' text-anchor='middle' font-family='Arial' font-size='12' font-weight='bold' fill='%230a1628'%3E₽%3C/text%3E%3C/svg%3E");
    background-repeat: no-repeat;
    
    /* Базовые стили для больших экранов (Desktop) */
    /* Используем calc() = базовый размер в px + масштабируемая часть в vw */
    background-size: 
        calc(30px + 15vw),
        calc(25px + 15vw),
        calc(20px + 15vw);
    background-position: 
        15% 30%,  /* Положение в процентах уже адаптивно */
        80% 65%,
        95% 15%;
    
    z-index: -1;
    pointer-events: none;
    transition: background-size 0.3s ease;
}

/* Стили для планшетов */
@media (max-width: 1024px) {
    body::before {
        background-size: 
            calc(25px + 15vw),
            calc(20px + 15vw),
            calc(15px + 15vw);
        background-position: 
            5% 20%,
            90% 80%,
            85% 10%;
    }
}



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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: #cccccc;
    font-weight: 400;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00ff88;
    text-shadow: 0 0 5px rgba(0, 255, 136, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00ff88;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #00ff88;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 2rem;
    padding-top: 6rem; /* Отступ для фиксированного header */
}

.hero .container {
    position: relative;
    border: 3px solid #00ff88;
    border-radius: 20px;
    padding: 3rem 2rem;
    background: rgba(0, 255, 136, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 
        0 0 20px rgba(0, 255, 136, 0.3),
        0 0 40px rgba(0, 255, 136, 0.2),
        inset 0 0 20px rgba(0, 255, 136, 0.1);
    animation: neon-glow 2s ease-in-out infinite alternate;
}

@keyframes neon-glow {
    0% {
        box-shadow: 
            0 0 20px rgba(0, 255, 136, 0.3),
            0 0 40px rgba(0, 255, 136, 0.2),
            inset 0 0 20px rgba(0, 255, 136, 0.1);
        border-color: #00ff88;
    }
    100% {
        box-shadow: 
            0 0 30px rgba(0, 255, 136, 0.5),
            0 0 60px rgba(0, 255, 136, 0.3),
            inset 0 0 30px rgba(0, 255, 136, 0.15);
        border-color: #7fff00;
    }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a1628 0%, #1a2332 50%, #2a3441 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(227, 30, 36, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
}

.event-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.info-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.info-icon {
    font-size: 1.2rem;
}

.hero-title-section {
    margin-bottom: 3rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #cccccc;
    font-weight: 400;
}

.main-question {
    background: linear-gradient(135deg, #e31e24, #d01418);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: 0 20px 40px rgba(227, 30, 36, 0.3);
}

.main-question h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    line-height: 1.3;
}

.hero-cta {
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    color: #0a1628;
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.5);
    background: linear-gradient(45deg, #7fff00, #00ff88);
}

/* Section Styles */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #00ff88;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    border-radius: 2px;
}

/* Topics Section */
.topics {
    /*background: linear-gradient(135deg, #1a2332, #2a3441);*/
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.topic-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.topic-item:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.2);
}

.topic-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.topic-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.topic-speaker {
    color: #00ff88;
    font-weight: 600;
    font-style: italic;
}

/* Speakers Section */
.speakers {
    /*background: #0a1628;*/
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.speaker-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.speaker-card:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.2);
}

.speaker-photo {
    margin-bottom: 1.5rem;
}

.photo-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #0a1628;
    margin: 0 auto;
}

.speaker-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: #00ff88;
    margin-bottom: 0.5rem;
}

.speaker-title {
    font-size: 1rem;
    color: white;
    margin-bottom: 0.5rem;
    line-height: 1.1rem;
    
    padding-left: 5px;
    text-align: left;
    margin: 15px 0;
}

.speaker-topic {
    font-size: 0.9rem;
    color: #999999;
    font-style: italic;
}

/* Immersive Section */
.immersive {
    /*background: linear-gradient(135deg, #1a2332, #2a3441);*/
    position: relative;
    backdrop-filter: blur(10px);
}

.immersive::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(227, 30, 36, 0.1));
    z-index: -1;
}

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

.immersive-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #00ff88;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.immersive-question {
    background: linear-gradient(135deg, #e31e24, #d01418);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(227, 30, 36, 0.3);
}

.immersive-question h3 {
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.3;
}

.immersive-text {
    margin-bottom: 2rem;
}

.immersive-text p {
    font-size: 1.1rem;
    color: #cccccc;
    max-width: 800px;
    margin: 0 auto;
}

.immersive-speakers {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.immersive-speaker,
.immersive-moderator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.speaker-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #0a1628;
}

.immersive-moderator .speaker-avatar {
    background: linear-gradient(45deg, #e31e24, #d01418);
    color: #ffffff;
}

/* Schedule Section */
.schedule {
    /*background: #0a1628;*/
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

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

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

.timeline-time {
    flex: 0 0 250px;
    background: linear-gradient(135deg, #00ff88, #7fff00);
    color: #0a1628;
    padding: 1.5rem 1rem;
    border-radius: 15px;
    font-weight: 800;
    font-size: 2rem;
    text-align: center;
    margin: 0 2rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.timeline-time:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.5);
    background: linear-gradient(135deg, #7fff00, #00ff88);
}

.timeline-time::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, #00ff88, #7fff00, #00ff88);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.02);
    }
}

.timeline-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    backdrop-filter: blur(10px);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #00ff88;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #cccccc;
}

/* Registration Section */
.registration {
    /*background: linear-gradient(135deg, #1a2332, #2a3441);*/
    text-align: center;
    background: linear-gradient(45deg, rgba(0, 255, 136, 0.1), rgba(227, 30, 36, 0.1));
    backdrop-filter: blur(10px);
}

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

.registration-title {
    font-size: 3rem;
    font-weight: 800;
    color: #00ff88;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.registration-subtitle {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 3rem;
    font-weight: 600;
}

.registration-button {
    display: inline-block;
    background: linear-gradient(45deg, #00ff88, #7fff00);
    color: #0a1628;
    padding: 1.5rem 4rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.3);
    margin-bottom: 2rem;
}

.registration-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 255, 136, 0.5);
    background: linear-gradient(45deg, #7fff00, #00ff88);
}

.vip-info {
    background: linear-gradient(135deg, #e31e24, #d01418);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(227, 30, 36, 0.3);
}

.vip-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.vip-info p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Partners Section */
.partners {
    /*background: #0a1628;*/
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.partner-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column; /* Выстраиваем элементы вертикально */
    align-items: center;
    text-align: center;
}

.partner-item:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 255, 136, 0.2);
}

.partner-link {
    display: block;
    margin-bottom: 1.5rem; /* Отступ между логотипом и текстом */
    transition: transform 0.3s ease;
}

.partner-link:hover {
    transform: scale(1.05); /* Эффект увеличения при наведении на логотип */
}

.partner-logo-img {
    max-width: 180px; /* Ограничиваем максимальную ширину логотипа */
    height: 80px;     /* Фиксированная высота для единообразия */
    object-fit: contain; /* Сохраняет пропорции логотипа */
}

.partner-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.partner-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #00ff88;
    margin-bottom: 0.5rem;
}

.partner-description {
    font-size: 0.9rem;
    color: #cccccc;
    line-height: 1.5;
}

.partner-link{
    width: 100%;
}

.partner-logo-img{
    width: 100%;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a1628, #1a2332);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #00ff88;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 0.5rem;
}

.footer-logo .logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    margin-bottom: 0.5rem;
}

.event-title {
    font-size: 0.9rem;
    color: #00ff88;
    font-weight: 600;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    color: #999999;
}

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

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

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: block;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 1rem;
        padding-top: 5rem; /* Меньший отступ для мобильных */
    }
    
    .hero .container {
        padding: 2rem 1.5rem;
        border-width: 2px;
    }
    
    .event-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .info-item {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .main-question h2 {
        font-size: 1.5rem;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .speakers-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        padding-left: 50px;
    }
    
    .timeline-time {
        flex: none;
        margin: 0 0 1rem 0;
        width: 200px;
        font-size: 1rem;
        padding: 1.2rem 0.8rem;
    }
    
    .immersive-speakers {
        flex-direction: column;
        gap: 1rem;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-logo {
        align-items: center;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
    
    .registration-title {
        font-size: 2rem;
    }
    
    .registration-subtitle {
        font-size: 1.2rem;
    }
    
    .registration-button {
        padding: 1rem 2rem;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 0.5rem;
        padding-top: 4rem; /* Минимальный отступ для маленьких экранов */
    }
    
    .hero .container {
        padding: 1.5rem 1rem;
        border-width: 1px;
        border-radius: 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .main-question {
        padding: 1.5rem;
    }
    
    .main-question h2 {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .topic-item,
    .speaker-card,
    .partner-item {
        padding: 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .timeline-time {
        width: 180px;
        font-size: 0.9rem;
        padding: 1rem 0.6rem;
    }
    
    .registration-title {
        font-size: 1.8rem;
    }
    
    .vip-info {
        padding: 1.5rem;
    }
}


.speaker-photo{
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    object-fit: cover;
}

.speaker-photo img{
    width: 100%;
}


.nav-menu.active li{
    padding: 0 10px;
}